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WO2025244310A1 - Boîtier de résistance et unité de commande de batterie le comprenant - Google Patents

Boîtier de résistance et unité de commande de batterie le comprenant

Info

Publication number
WO2025244310A1
WO2025244310A1 PCT/KR2025/005720 KR2025005720W WO2025244310A1 WO 2025244310 A1 WO2025244310 A1 WO 2025244310A1 KR 2025005720 W KR2025005720 W KR 2025005720W WO 2025244310 A1 WO2025244310 A1 WO 2025244310A1
Authority
WO
WIPO (PCT)
Prior art keywords
resistance
housing
case
terminal
resistor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/KR2025/005720
Other languages
English (en)
Korean (ko)
Inventor
김도형
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ls E Mobility Solutions Co Ltd
Original Assignee
Ls E Mobility Solutions Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ls E Mobility Solutions Co Ltd filed Critical Ls E Mobility Solutions Co Ltd
Publication of WO2025244310A1 publication Critical patent/WO2025244310A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258—Modular batteries; Casings provided with means for assembling

Definitions

  • the present invention relates to a resistance case and a battery control unit including the same, and more particularly, to a resistance case having a structure in which an installed resistor can be easily changed, and a battery control unit including the same.
  • Electric vehicles are a type of next-generation transportation. Electric vehicles are powered by electricity, breaking away from conventional technologies that rely on fossil fuels like diesel or gasoline. Because they produce no byproducts during operation, electric vehicles are considered more environmentally friendly than traditional vehicles that emit carbon dioxide and other emissions.
  • the battery is designed to supply the power necessary for the vehicle's operation and other components. To ensure stable operation, the battery must be controlled to supply the necessary amount of power to the right location.
  • a battery management system (BMS) and a battery disconnect unit (BDU) may be installed together with the battery.
  • the BMS determines (or judges) whether the battery will supply power to or cut off power from other components.
  • the BDU is configured to be communicatively connected to the BMS and supply power to or cut off power from the other components based on the BMS's decision.
  • BDUs are typically equipped with a resistor.
  • This resistor is configured to prevent damage to other components of the electric vehicle by adjusting the applied power depending on the environment in which the BMS and BDU are installed.
  • Korean Patent Document No. 10-2330378 discloses a battery pack equipped with a degassing path. Specifically, the battery pack is disclosed to include a separate degassing port on the pack cover, thereby allowing gases generated within the pack case to be discharged to the outside.
  • the battery pack disclosed in the above-described prior art document does not provide a method for easily changing the installed resistor. That is, the above-described prior art document only provides a shunt resistor by mounting it on a BMS circuit board provided in a BMS assembly, and does not provide a method for easily replacing the shunt resistor.
  • International Patent Publication No. 2021/221478 discloses a battery pack and a device including the same. Specifically, the disclosure discloses a battery pack and a device including the same, which includes a separate pack coolant pipe assembly to facilitate heat dissipation from the battery pack.
  • the battery pack and device including the same disclosed in the above-mentioned prior art document do not provide a method for easily changing the resistance provided in the BDU module.
  • the above-mentioned prior art document only discloses that the BDU module is provided with a resistance, but does not provide a method for easily changing the provided resistance.
  • the present invention is intended to solve the above problems, and an object of the present invention is to provide a resistance case having a structure in which the provided resistance can be easily changed, and a battery control unit including the same.
  • Another object of the present invention is to provide a resistor case having a structure in which the electrical coupling state of the resistor can be stably maintained, and a battery control unit including the same.
  • Another object of the present invention is to provide a resistor case having a structure in which resistors of various sizes can be combined, and a battery control unit including the same.
  • Another object of the present invention is to provide a resistor case having a structure in which a resistor and other components can be easily electrically connected, and a battery control unit including the same.
  • Another object of the present invention is to provide a resistor case having a structure capable of preventing arbitrary fluctuation of an installed resistor and a battery control unit including the same.
  • Another object of the present invention is to provide a resistor case having a structure in which a resistor and another component can be electrically connected while the resistor is installed, and a battery control unit including the same.
  • a resistor case comprising: a resistor member electrically connected to the outside; a resistor housing accommodating the resistor member; and a resistor cover member covering the resistor member and coupled to the resistor housing, wherein the resistor member includes a resistor body having a length in one direction and a width in the other direction, the resistor housing including: a housing space formed therein and accommodating the resistor member; a housing bottom surface surrounding the housing space from below; and a stepped portion continuous with the housing bottom surface and formed higher than the housing bottom surface along the longitudinal direction of the resistor member, wherein the resistor body is supported at its lower side by one of the housing bottom surface and the stepped portion.
  • a resistance case may be provided, including a portion extending toward the resistance cover member at a predetermined angle with the bottom surface of the housing, and another portion extending in a direction opposite to the bottom surface of the housing along the longitudinal direction, which is continuous with the portion.
  • a resistance case may be provided in which one part of the step portion supports an end portion in the longitudinal direction of the resistance body, and the other part of the step portion supports a lower side of the resistance body.
  • the step portion includes a first step portion that is continuous with the bottom surface of the housing and is positioned closer to the resistance cover member than the bottom surface of the housing; a second step portion that is continuous with the first step portion and is positioned closer to the resistance cover member than the first step portion; and a third step portion that is continuous with the second step portion and is positioned closer to the resistance cover member than the second step portion, and a resistance case may be provided in which the first step portion, the second step portion, and the third step portion are sequentially arranged in a direction away from the bottom surface of the housing.
  • a resistance case may be provided in which the length of the resistance body of the resistance member mounted on the bottom surface of the housing in one direction is formed longer than the length of the resistance body of the resistance member mounted on the third step in one direction.
  • the resistance housing may be provided with a resistance case including a guide rib that protrudes from one side of the step portion facing the bottom of the housing, is spaced apart along the width direction of the resistance housing, and is configured to support the received resistance body in the width direction.
  • the resistance cover member may be provided with a resistance case including a cover body extending in the one direction; and a terminal opening formed through the cover body in the height direction of the cover body.
  • a resistance case may be provided that includes a resistance conductive member that is electrically connected to the resistance member and the resistance housing, respectively, and the resistance conductive member penetrates the terminal opening and is electrically connected to the resistance member and the resistance housing, respectively.
  • the resistance member may include a resistance terminal that is coupled to the resistance body, extends toward the resistance cover member, and is electrically connected to the outside
  • the resistance housing may include a housing terminal positioned to surround the step portion from the outside along the longitudinal direction, and the resistance conductive member may be provided with a resistance case that is electrically connected to the resistance terminal and the housing terminal, respectively.
  • a resistor case may be provided, wherein the terminal opening includes a first terminal opening arranged to overlap the resistor terminal along the height direction; and a second terminal opening spaced apart from the first terminal opening and arranged to overlap the housing terminal along the height direction.
  • a resistance case may be provided in which the length of the first terminal opening is formed to be longer than the length of the second terminal opening.
  • a resistance case may be provided in which the resistance cover member is formed to protrude toward the resistance housing on one side of the surface of the cover body facing the resistance housing, and includes a resistance member support protrusion that supports the upper side of the resistance body accommodated in the resistance housing.
  • a battery control unit including a cover part having a space formed therein; a BDU assembly accommodated in the cover part and electrically connected to an external battery unit; and a resistance case accommodated in the cover part and coupled to the BDU assembly and electrically connected, wherein the resistance case includes a resistance housing electrically connected to the resistance case; a resistance member accommodated in the resistance housing; and a resistance conductive member electrically connected to the resistance housing and the resistance member, respectively, wherein the BDU assembly includes a resistance case conductive terminal electrically connected to the resistance housing; and a resistance case engaging portion positioned adjacent to the resistance case conductive terminal and engaged with the resistance housing, wherein the resistance housing includes a housing terminal extending in the height direction and electrically connected to the resistance case conductive terminal; and a housing engaging protrusion formed to protrude outward and engaged with the resistance case engaging portion.
  • the BDU assembly may be provided with a battery control unit including a resistance case receiving space positioned adjacent to the resistance case current terminal, extending in one direction, and being formed to at least partially receive the resistance housing; and a resistance case support rib positioned adjacent to the resistance case receiving space, extending in one direction, and supporting the resistance housing in the width direction.
  • a battery control unit may be provided in which a plurality of housing terminals are provided, the plurality of housing terminals being positioned adjacent to each end of the longitudinal direction of the resistance case, and the plurality of resistance case current-carrying terminals are provided, the plurality of resistance case current-carrying terminals being positioned facing each other with the resistance case receiving space interposed therebetween.
  • a battery control unit may be provided in which a plurality of housing coupling protrusions are provided, the plurality of housing coupling protrusions are formed to protrude from the outer surface of each end in the longitudinal direction of the resistance case, and the plurality of resistance case coupling portions are provided, the plurality of resistance case coupling portions are arranged to face each other with the resistance case receiving space therebetween.
  • the resistance case and the battery control unit including the same according to an embodiment of the present invention can easily change the resistance provided.
  • the resistance case according to the embodiment of the present invention and the battery control unit including the same can stably maintain the electrical coupling state of the resistance.
  • the resistance case and the battery control unit including the same according to the embodiment of the present invention can be combined with resistors of various sizes.
  • the resistance case and the battery control unit including the same according to the embodiment of the present invention can be easily electrically connected to the resistance and other configurations.
  • the resistance case and the battery control unit including the same according to the embodiment of the present invention can prevent arbitrary fluctuation of the installed resistance.
  • the resistor case according to the embodiment of the present invention and the battery control unit including the same can be electrically connected to the resistor and other configurations while the resistor is installed.
  • FIG. 1 is a perspective view illustrating a battery control unit according to an embodiment of the present invention.
  • Figure 2 is an exploded perspective view showing the configuration of the battery control unit of Figure 1.
  • FIG. 3 is a perspective view showing a BDU assembly and a resistor case provided in the battery control unit of FIG. 1.
  • Figure 4 is a plan view illustrating the BDU assembly and resistor case of Figure 3.
  • Figure 5 is an exploded perspective view showing the BDU assembly and resistor case of Figure 3.
  • Figure 6 is a plan view illustrating the BDU assembly of Figure 3.
  • Figure 7 is an A-A cross-sectional view illustrating the BDU assembly of Figure 6.
  • Figure 8 is a B-B cross-sectional view illustrating the BDU assembly of Figure 6.
  • Fig. 9 is a perspective view illustrating a resistance case of the battery control unit of Fig. 1.
  • Fig. 10 is a front view illustrating the resistance case of Fig. 9.
  • Fig. 11 is a side view illustrating the resistance case of Fig. 9.
  • Fig. 12 is a plan view illustrating the resistance case of Fig. 9.
  • Fig. 13 is an exploded perspective view showing the configuration of the resistance case of Fig. 9.
  • Fig. 14 is a perspective view showing a resistance cover member provided in the resistance case of Fig. 9.
  • Fig. 15 is a plan view illustrating the resistance cover member of Fig. 14.
  • Fig. 16 is a side view illustrating the resistance cover member of Fig. 14.
  • Fig. 17 is a D-D cross-sectional view illustrating the resistance cover member of Fig. 14.
  • Fig. 18 is a perspective view showing a resistance member provided in the resistance case of Fig. 9.
  • Fig. 19 is a side view illustrating the resistance member of Fig. 18.
  • Fig. 20 is a perspective view showing a resistor housing provided in the resistor case of Fig. 9.
  • Fig. 21 is a plan view illustrating the resistance housing of Fig. 20.
  • Fig. 22 is a front view showing the resistance housing of Fig. 20.
  • Figure 23 is a side view illustrating the resistance housing of Figure 20.
  • Fig. 24 is an E-E cross-sectional view illustrating the resistor housing of Fig. 20.
  • Fig. 25 is an F-F cross-sectional view illustrating the resistor housing of Fig. 20.
  • Fig. 26 is a C-C cross-sectional view illustrating the resistance case of Fig. 9.
  • FIG. 27 is an exploded perspective view illustrating a process in which a resistance case according to an embodiment of the present invention is coupled to a BDU assembly.
  • fluid communication refers to one or more elements being fluidly connected to one another.
  • the fluid communication may be formed by elements such as conduits, pipes, or piping.
  • the fluid communication may be used in the same sense as one or more elements being "fluidly connected" to one another.
  • conduction refers to the connection of one or more elements to enable the transmission of current or electrical signals.
  • the conduction may be formed in a wired form, such as by a conductor element, or in a wireless form, such as Bluetooth, Wi-Fi, or RFID.
  • the conduction may also include the meaning of "communication.”
  • fluid refers to any form of material that can flow and change shape or volume, etc., due to an external force.
  • the fluid may be a liquid such as water or a gas such as air.
  • a battery control unit (1) according to an embodiment of the present invention is illustrated as an example.
  • the battery control unit (1) according to the illustrated embodiment may be installed in an electric vehicle, etc.
  • the battery control unit (1) is electrically connected to a battery unit (not shown) and may be utilized to control the battery unit (not shown).
  • the battery control unit (1) may be provided in any device having a battery unit (not shown) and utilized to control the battery unit (not shown).
  • a battery control unit (1) may be configured to include a BMS that calculates control information for controlling a battery unit (not shown), and a BDU that controls the battery unit (not shown) in accordance with the control information calculated by the BMS.
  • the battery control unit (1) can easily install a resistor provided in the BDU.
  • resistors of various sizes can also be easily connected and disconnected from the battery control unit (1).
  • the battery control unit (1) includes a cover portion (10), a BDU assembly (20), and a resistance case (30).
  • the cover portion (10) constitutes the outer shape of the battery control unit (1).
  • a space is formed inside the cover portion (10) to accommodate other configurations of the battery control unit (1).
  • some configurations of the cover portion (10) can support the other configurations of the battery control unit (1).
  • the cover portion (10) may be formed of an electrically insulating material. This is to prevent other components of the battery control unit (1) housed in the cover portion (10) from being energized by the outside.
  • the cover portion (10) may be formed of a lightweight yet high-strength material. This is to prevent other components of the battery control unit (1) housed inside the cover portion (10) from being damaged when an external force is applied.
  • the cover portion (10) may be formed of a synthetic resin material such as reinforced plastic.
  • the BDU assembly (20) is electrically connected to the battery unit (not shown) and the BMS PCB assembly (not shown), respectively.
  • the BDU assembly (20) can control the battery unit (not shown) in accordance with the control information calculated in the BMS PCB assembly (not shown).
  • the BDU assembly (20) may be equipped with a battery disconnect unit.
  • the BDU assembly (20) is coupled with the cover portion (10). Specifically, some components of the BDU assembly (20) can be accommodated in a space formed inside the cover portion (10). In addition, other components of the BDU assembly (20) can be coupled with the cover portion (10).
  • the BDU assembly (20) is coupled to a BMS PCB assembly (not shown).
  • the BDU assembly (20) is electrically connected to the BMS PCB assembly (not shown) and can receive calculated control information.
  • the BDU assembly (20) is coupled to a resistance case (30).
  • the BDU assembly (20) can be electrically connected to a resistance member (300) accommodated in the resistance case (30).
  • the resistance case (30) can be detachably coupled to the BDU assembly (20).
  • the BDU assembly (20) includes a BDU housing (21), a BDU component (22), a resistor case receiving portion (23), a resistor case coupling portion (240), and a resistor case energizing terminal (25).
  • the BDU housing (21) constitutes the outer shape of the BDU assembly (20).
  • the BDU housing (21) is coupled to and supports the BDU component (22).
  • the BDU housing (21) supports the BDU component (22) from the lower side.
  • the BDU housing (21) may be provided with a configuration that is electrically connected to the BDU component (22).
  • the configuration may also be electrically connected to the BMS PCB assembly (not shown). Accordingly, when the BDU component (22) is coupled to the BDU housing (21), the BDU component (22) may be electrically connected to the BMS PCB assembly (not shown).
  • the BDU housing (21) is coupled with the cover portion (10).
  • Each horizontal side of the BDU housing (21), in the illustrated embodiment the front side, the rear side, the left side, and the right side, can be coupled with the cover portion (10).
  • the BDU housing (21) can be snap-fitted with the cover portion (10).
  • the BDU housing (21) may have a shape corresponding to the shape of the cover portion (10) and the BMS PCB assembly (not shown).
  • the BDU housing (21) has a three-dimensional shape with a rectangular cross-section and a vertical height.
  • the BDU housing (21) may be formed of an electrically insulating material. This is to prevent unintentional current flow between the BDU component (22) and the BMS PCB assembly (not shown). Accordingly, it will be understood that the BDU component (22) and the BMS PCB assembly (not shown) can be electrically connected only through the above-described configuration of the BDU housing (21).
  • the BDU component (22) substantially performs the role of the BDU assembly (20), i.e., the role of controlling the battery unit (not shown).
  • the BDU component (22) is electrically connected to the battery unit (not shown) and can control the battery unit (not shown) in accordance with the calculated control information.
  • the BDU component (22) is coupled to the BDU housing (21).
  • the BDU component (22) can be electrically connected to the BMS PCB assembly (not shown) by the above-described different configuration of the BDU housing (21) to receive calculated control information.
  • the BDU component (22) is accommodated in a space formed inside the cover portion (10).
  • the BDU component (22) is covered by the cover portion (10) and is not exposed to the outside.
  • the resistance case receiving portion (23) is a portion that receives the resistance case (30).
  • the resistance case receiving portion (23) is located on one side in the height direction of the BDU housing (21), on the upper side in the illustrated embodiment.
  • the resistance case receiving portion (23) is located on one side in the width direction of the BDU housing (21), to the left in the illustrated embodiment.
  • the resistance case receiving portion (23) is positioned adjacent to the resistance case coupling portion (24).
  • the resistance case (30) received in the resistance case receiving portion (23) can be coupled with the resistance case coupling portion (24).
  • the resistance case receiving portion (23) is positioned adjacent to the resistance case current-carrying terminal (25).
  • the resistance case (30) received in the resistance case receiving portion (23) can be electrically connected to the resistance case current-carrying terminal (25).
  • the resistance case receiving portion (23) includes a resistance case receiving space (23a) and a resistance case support rib (23b).
  • the resistance case accommodation space (23a) is a space for accommodating the resistance case (30).
  • the resistance case accommodation space (23a) is formed recessed on one side in the height direction of the BDU housing (21), in the illustrated embodiment, on the upper side.
  • the resistance case receiving space (23a) may have a shape corresponding to the shape of the resistance case (30).
  • the resistance case receiving space (23a) is formed as a three-dimensional space having a length in the front-back direction longer than a width in the left-right direction and a height in the up-down direction.
  • a resistance case support rib (23b) is formed adjacent to the resistance case receiving space (23a).
  • the resistance case support rib (23b) supports one side in the width direction of the resistance case (30) accommodated in the resistance case accommodation space (23a), the right side in the illustrated embodiment.
  • the resistance case support rib (23b) is positioned adjacent to the resistance case accommodation space (23a). In the illustrated embodiment, the resistance case support rib (23b) is positioned on the right side of the resistance case accommodation space (23a).
  • the resistance case support rib (23b) may have a shape corresponding to the shape of the resistance case (30).
  • the resistance case support rib (23b) is formed in a plate shape having a length in the front-back direction, a thickness in the left-right direction, and a height in the up-down direction.
  • each end of the resistance case support rib (23b) in the longitudinal direction may protrude through the resistance case receiving space (23a).
  • each end of the resistance case support rib (23b) in the longitudinal direction may be positioned adjacent to the resistance case current-carrying terminal (25).
  • the resistance case support rib (23b) can partially support not only the width direction of the resistance case (30), but also each end in the length direction.
  • the resistance case coupling portion (24) is a portion where the resistance case (30) is coupled to the BDU assembly (20).
  • the resistance case (30) can be coupled to the resistance case coupling portion (24) while being accommodated in the resistance case receiving portion (23). Accordingly, the resistance case (30) can be stably maintained in a state of being coupled to the BDU assembly (20).
  • the resistance case coupling portion (24) is positioned adjacent to the resistance case receiving portion (23). Specifically, the resistance case coupling portion (24) is positioned adjacent to the longitudinal end of the resistance case receiving portion (23).
  • the resistance case coupling portion (24) can be formed in any shape that can be coupled with the resistance case (30). In one embodiment, the resistance case coupling portion (24) can be hook-coupled or snap-coupled with the resistance case (30).
  • the resistor case coupling portion (24) is positioned adjacent to the resistor case current-carrying terminal (25).
  • the resistor case coupling portion (24) can surround the resistor case current-carrying terminal (25) along the longitudinal direction of the resistor case receiving portion (23), i.e., the front-back direction in the illustrated embodiment.
  • the resistor case coupling portion (24) is positioned to face the resistor case receiving portion (23) with the resistor case current-carrying terminal (25) interposed therebetween.
  • a plurality of resistance case coupling portions (24) may be provided.
  • the plurality of resistance case coupling portions (24) may be spaced apart from each other along the length direction of the resistance case receiving portion (23) and may be arranged to face each other with the resistance case receiving portion (23) therebetween.
  • a pair of resistance case coupling portions (24) are provided and are positioned adjacent to the front end and the rear end of the resistance case receiving portion (23), respectively.
  • the resistance case current terminal (25) is a part where the BDU assembly (20) is electrically connected to the resistance case (30).
  • the resistance case current terminal (25) is electrically connected by being combined with a housing terminal (450) provided in the resistance case (30).
  • the resistance case current terminal (25) is positioned adjacent to the resistance case receiving portion (23) and the resistance case joining portion (24), respectively. Specifically, the resistance case current terminal (25) is positioned between the resistance case receiving portion (23) and the resistance case joining portion (24) along the longitudinal direction of the resistance case receiving portion (23), i.e., the front-back direction in the illustrated embodiment.
  • the resistor case current terminal (25) is electrically connected to the BDU component (22).
  • the resistor case current terminal (25) electrically connects the resistor case (30) and the BDU component (22).
  • a plurality of resistance case current-carrying terminals (25) may be provided.
  • the plurality of resistance case current-carrying terminals (25) are arranged to face each other with the resistance case receiving portion (23) therebetween, and may be respectively coupled to the plurality of housing terminals (450).
  • a pair of resistance case current-carrying terminals (25) are provided, and are positioned adjacent to each end of the resistance case receiving portion (23) in the longitudinal direction, i.e., the front end and the rear end, respectively.
  • the battery control unit (1) includes a resistance case (30).
  • the resistance case (30) is coupled to the BDU assembly (20) and electrically connected to the BDU assembly (20).
  • the resistance case (30) includes a resistance member (300) and is configured to control power provided from the BDU assembly (20).
  • the resistance case (30) can accommodate and support a resistance member (300) having various physical shapes. Accordingly, the resistance member (300) coupled with the BDU assembly (20) can be easily changed.
  • the resistance case (30) is coupled to the cover part (10). Specifically, the resistance case (30) is accommodated in a space formed inside the cover part (10) and is not arbitrarily exposed to the outside.
  • the resistance case (30) is coupled to the BDU assembly (20). Specifically, the resistance case (30) is accommodated and supported in the resistance case receiving portion (23), coupled to the resistance case connecting portion (24), and electrically connected to the resistance case conducting terminal (25). The resistance case (30) can be detachably coupled to the BDU assembly (20).
  • the resistance case (30) includes a resistance cover member (100), a resistance conducting member (200), a resistance member (300), and a resistance housing (400).
  • the resistance cover member (100) constitutes a portion of the outer shape of the resistance case (30). In the illustrated embodiment, the resistance cover member (100) constitutes one side, i.e., the upper side, in the height direction of the resistance case (30).
  • the resistance cover member (100) is coupled with the resistance housing (400).
  • the resistance cover member (100) covers the resistance member (300) accommodated in the resistance housing (400) and can be coupled with the resistance housing (400).
  • the resistance cover member (100) can be snap-coupled or hook-coupled with the resistance housing (400).
  • the resistance cover member (100) is positioned adjacent to the resistance conductive member (200).
  • the resistance conductive member (200) can be penetratedly connected to the resistance cover member (100). Therefore, even if the resistance cover member (100) is not separated from the resistance housing (400), the resistance member (300) and the resistance housing (400) can be electrically connected.
  • the resistance cover member (100) includes a cover body (110), a cover coupling portion (120), a coupling opening (130), a terminal opening (140), and a resistance member support protrusion (150).
  • the cover body (110) constitutes the body of the resistance cover member (100). Other components of the resistance cover member (100) are formed or coupled to the cover body (110). In the illustrated embodiment, a cover coupling portion (120), a coupling opening (130), a terminal opening (140), and a resistance member support protrusion (150) are formed or coupled to the cover body (110).
  • the cover body (110) may have a shape corresponding to the shape of the resistance member (300) or the resistance housing (400).
  • the cover body (110) is formed in a polygonal plate shape in which the length in the front-back direction is longer than the width in the left-right direction and the thickness in the up-down direction is greater.
  • a cover joining portion (120) is formed at the corner of the cover body (110).
  • the cover coupling portion (120) is a portion where the resistance cover member (100) is coupled to the resistance housing (400).
  • the cover coupling portion (120) is coupled to a housing coupling protrusion (460) provided on the resistance housing (400).
  • the cover coupling portion (120) may be snap-coupled or hook-coupled to the housing coupling protrusion (460).
  • the cover joint (120) is continuous with the cover body (110).
  • the cover joint (120) may be continuous with the cover body (110) at a predetermined angle.
  • the predetermined angle may be a right angle.
  • the cover joint (120) extends downward from the corner of the cover body (110) toward the resistance housing (400) in the illustrated embodiment.
  • a coupling opening (130) is formed inside the cover coupling portion (120).
  • the housing coupling protrusion (460) can be inserted into the coupling opening (130) and supported by the cover coupling portion (120). Accordingly, the resistance cover member (100) and the resistance housing (400) can be coupled.
  • a plurality of cover coupling portions (120) may be formed.
  • the plurality of cover coupling portions (120) may extend from a longitudinal or transverse edge of the cover body (110) toward the resistance housing (400).
  • the plurality of cover coupling portions (120) may be coupled with a plurality of housing coupling protrusions (460), respectively.
  • the cover coupling portion (120) includes a first cover coupling portion (121) and a second cover coupling portion (122).
  • the first cover joint (121) constitutes a part of the cover joint (120).
  • the first cover joint (121) extends from a longitudinal end edge of the cover body (110) toward the resistance housing (400).
  • a first coupling opening (131) is formed through the inside of the first cover coupling portion (121).
  • the first cover coupling portion (121) can support the first housing coupling protrusion (461) accommodated in the first coupling opening (131).
  • a plurality of first cover coupling portions (121) may be formed.
  • the plurality of first cover coupling portions (121) may be spaced apart from each other and may be coupled with a plurality of first housing coupling protrusions (461), respectively.
  • a pair of first cover coupling portions (121) are provided, and are continuous with each side of the length direction of the cover body (110), i.e., the front side and the rear side edges, respectively.
  • the second cover joint (122) constitutes another part of the cover joint (120).
  • the second cover joint (122) extends from the end edge in the width direction of the cover body (110) toward the resistance housing (400).
  • a second coupling opening (132) is formed through the interior of the second cover coupling portion (122).
  • the second cover coupling portion (122) can support the second housing coupling protrusion (462) accommodated in the second coupling opening (132).
  • a plurality of second cover coupling portions (122) may be formed.
  • the plurality of second cover coupling portions (122) may be spaced apart from each other and may be coupled with a plurality of second housing coupling protrusions (462), respectively.
  • a pair of second cover coupling portions (122) are provided, and are continuous with each side of the width direction of the cover body (110), i.e., the left and right edges, respectively.
  • the coupling opening (130) accommodates the housing coupling protrusion (460).
  • the coupling opening (130) is formed as a space formed through the interior of the cover coupling portion (120).
  • the coupling opening (130) and the housing coupling protrusion (460) accommodated in the coupling opening (130) may be surrounded by the inner circumference of the cover coupling portion (120).
  • the coupling opening (130) may be formed through the thickness direction of the cover coupling portion (120).
  • the coupling opening (130) may have a shape corresponding to the shape of the cover coupling portion (120) or the housing coupling protrusion (460).
  • the coupling opening (130) has a height in the vertical direction and is formed as a space that penetrates in the thickness direction of the cover coupling portion (120).
  • a plurality of coupling openings (130) can be formed.
  • the plurality of coupling openings (130) are each formed inside the plurality of cover coupling portions (120) to accommodate the plurality of housing coupling protrusions (460).
  • the coupling opening (130) includes a first coupling opening (131) and a second coupling opening (132).
  • the first coupling opening (131) constitutes a part of the coupling opening (130).
  • the first coupling opening (131) is formed through the interior of the first cover coupling portion (121) to accommodate the first housing coupling protrusion (461).
  • the first coupling opening (131) may have a shape corresponding to the shape of the first cover coupling portion (121) or the first housing coupling protrusion (461).
  • the first coupling opening (131) is formed as a space having a height in the vertical direction and a thickness in the front-back direction.
  • One side in the height direction of the first coupling opening (131), the upper side in the illustrated embodiment, is formed open and communicates with the second terminal opening (142).
  • the other side in the height direction of the first coupling opening (131), the lower side in the illustrated embodiment, is surrounded by and closed by the inner periphery of the first cover coupling portion (121).
  • a plurality of first coupling openings (131) may be formed.
  • a plurality of first coupling openings (131) may be formed in each of a plurality of first cover coupling parts (121).
  • a total of one pair of first coupling openings (131) is provided, with each first cover coupling part (121) being formed in a pair.
  • the second coupling opening (132) constitutes another part of the coupling opening (130).
  • the second coupling opening (132) is formed through the interior of the second cover coupling portion (122) to accommodate the second housing coupling protrusion (462).
  • the second coupling opening (132) may have a shape corresponding to the shape of the second cover coupling portion (122) or the second housing coupling protrusion (462).
  • the second coupling opening (132) is formed as a space having a height in the vertical direction and a thickness in the left-right direction.
  • One side in the height direction of the second coupling opening (132), the upper side in the illustrated embodiment, is formed open.
  • the other side in the height direction of the second coupling opening (132), the lower side in the illustrated embodiment, is surrounded by the inner periphery of the second cover coupling portion (122) and closed.
  • a plurality of second coupling openings (132) may be formed.
  • a plurality of second coupling openings (132) may be formed in each of a plurality of second cover coupling parts (122).
  • a total of one pair of second coupling openings (132) is provided, with each second cover coupling part (122) formed in a pair.
  • the terminal opening (140) is a space where the resistance cover member (100) accommodates the resistance conductive member (200).
  • the terminal opening (140) is formed penetratingly through the interior of the cover body (110), so that the resistance connector (210, 220) can be penetrably coupled.
  • the resistance conductive member (200) can be electrically coupled with the resistance member (300) while the resistance cover member (100) is coupled with the resistance housing (400).
  • the terminal opening (140) is located inside the cover body (110).
  • the terminal opening (140) is formed to penetrate the cover body (110) in the thickness direction, in the vertical direction in the illustrated embodiment.
  • One side of the terminal opening (140) in the thickness direction, in the illustrated embodiment, the upper side is formed to be open and communicates with the outside.
  • the other side of the terminal opening (140) in the thickness direction, in the illustrated embodiment, the lower side is formed to be open and communicates with the housing space (420) of the resistor housing (400).
  • the terminal opening (140) communicates with the housing space (420) and the outside, and may have any shape through which the resistor connector (210, 220) can pass.
  • the terminal opening (140) is formed as a plate-shaped space having a length in the front-back direction, a width in the left-right direction, and a thickness in the up-down direction.
  • a plurality of terminal openings (140) may be formed.
  • a first resistor connector (210) and a second resistor connector (220) may each pass through the plurality of terminal openings (140).
  • the terminal opening (140) includes a first terminal opening (141) and a second terminal opening (142).
  • the first terminal opening (141) forms a passage through which the second resistor connector (220) passes.
  • the resistor member (300) accommodated in the housing space (420) can be connected to the second resistor connector (220) passing through the first terminal opening (141) and thus be electrically connected.
  • the first terminal opening (141) may be formed to have a longer length, i.e., a longer length in the front-back direction in the illustrated embodiment, than the second terminal opening (142). This is because, when the size of the resistance member (300) accommodated in the housing space (420) changes, the position of the resistance terminal (320) also changes along the front-back direction. That is, the first terminal opening (141) forms a passage through which the second resistance connector (220) can be coupled with the resistance terminal (320), regardless of the change in the position of the resistance terminal (320).
  • the first terminal opening (141) is located on the inside of the second terminal opening (142) along the longitudinal direction of the cover body (110), i.e., the front-back direction in the illustrated embodiment.
  • the position and shape of the first terminal opening (141) may be changed to correspond to the position and shape of the second resistor connector (220) or the resistor terminal (320).
  • a plurality of first terminal openings (141) may be formed.
  • the plurality of first terminal openings (141) may be spaced apart from each other along the length direction of the cover body (110) to form a passage through which a plurality of second resistor connectors (220) pass.
  • the first terminal openings (141) are formed in pairs and spaced apart from each other in the front-back direction.
  • a pair of first terminal openings (141) are arranged facing each other with another part of the cover body (110), i.e., a part where no terminal openings (140) are formed, interposed therebetween.
  • a pair of first terminal openings (141) are positioned between a pair of second terminal openings (142).
  • the second terminal opening (142) forms a passage through which the first resistor connector (210) passes.
  • the first resistor connector (210) can pass through the second terminal opening (142) and be connected to the housing terminal (450) to conduct electricity.
  • the second terminal opening (142) may be formed to have a shorter length, i.e., a shorter length in the front-rear direction in the illustrated embodiment, compared to the first terminal opening (141). This is because the housing terminal (450) is fixed in position regardless of changes in the size of the resistance member (300).
  • the second terminal opening (142) is located on the outside of the first terminal opening (141) along the longitudinal direction of the cover body (110), i.e., the front-back direction in the illustrated embodiment.
  • the position and shape of the second terminal opening (142) may be changed to correspond to the position and shape of the first resistor connector (210) or the housing terminal (450).
  • the second terminal opening (142) is in communication with the first coupling opening (131).
  • a plurality of second terminal openings (142) may be formed.
  • the plurality of second terminal openings (142) may be spaced apart from each other along the length direction of the cover body (110) to form a passage through which a plurality of first resistor connectors (210) pass.
  • the second terminal openings (142) are formed in pairs and spaced apart from each other in the front-back direction.
  • a pair of second terminal openings (142) are arranged facing each other with a pair of first terminal openings (141) interposed therebetween.
  • the longitudinal outer sides of the pair of second terminal openings (142) are each connected to the upper end of the first coupling opening (131).
  • the resistance member support protrusion (150) supports the resistance member (300) accommodated in the housing space (420) from one side in the height direction, i.e., the upper side in the illustrated embodiment.
  • the other side in the height direction of the resistance member (300) i.e., the lower side, may be supported by the housing bottom surface (411) or the step portion (430).
  • the resistance member (300) can be supported on each side in the height direction. Accordingly, arbitrary shaking of the resistance member (300) is prevented, and the combined state of the resistance member (300) and the resistance conducting member (200) can be stably maintained.
  • the resistance member support protrusion (150) is coupled to the cover body (110).
  • the resistance member support protrusion (150) is continuous with one surface of the cover body (110) facing the resistance housing (400), the lower surface in the illustrated embodiment.
  • the resistance member support protrusion (150) may have any shape that can support the resistance body (310) by coming into contact with the upper surface of the resistance body (310).
  • the resistance member support protrusion (150) has a three-dimensional shape in which the length in the front-back direction is longer than the width in the left-right direction and the height in the up-down direction is greater.
  • the resistance member support protrusion (150) includes a support rib (151) and a support opening (152).
  • the support rib (151) constitutes the outer shape of the resistance member support protrusion (150).
  • the support rib (151) is configured to reinforce the rigidity of the resistance member support protrusion (150) by surrounding the support opening (152).
  • the support rib (151) extends in the height direction of the resistance member support protrusion (150), i.e., in the vertical direction in the illustrated embodiment.
  • a plurality of support ribs (151) may be formed.
  • the plurality of support ribs (151) may be spaced apart in the longitudinal direction of the resistance member support protrusion (150), i.e., in the front-back direction in the illustrated embodiment.
  • a total of four support ribs (151) are formed and spaced apart in the front-back direction.
  • the support ribs (151) may also be formed on each side of the width direction of the resistance member support protrusion (150), i.e., on the left and right sides.
  • a plurality of support openings (152) are formed between a plurality of support ribs (151).
  • the support opening (152) is defined as a space formed inside the resistance member support protrusion (150).
  • the support opening (152) may be divided into a plurality of spaces by a plurality of support ribs (151). In the illustrated embodiment, the support opening (152) is divided into three small spaces by four support ribs (151).
  • the weight of the entire resistance member support protrusion (150) can be reduced.
  • the rigidity of the resistance member support protrusion (150) can be reinforced.
  • the resistance member support protrusion (150) can stably support the resistance member (300) while minimizing the weight applied to the resistance member (300).
  • the resistance case (30) includes a resistance conducting member (200).
  • the resistance conducting member (200) electrically connects the resistance conducting member (300) and the resistance housing (400).
  • the resistance housing (400) is electrically connected to the BDU assembly (20), so it can be said that the resistance conducting member (300) is electrically connected to the BDU assembly (20) by the resistance conducting member (200).
  • a plurality of resistance-conducting members (200) may be provided.
  • the plurality of resistance-conducting members (200) may be electrically connected to the resistance member (300) and the resistance housing (400) at a plurality of locations, respectively.
  • the resistance-conducting member (200) includes a first resistance-conducting member (200a) positioned on the front side and a second resistance-conducting member (200b) positioned on the rear side.
  • the first resistance conducting member (200a) is electrically connected to the first resistance terminal (321) and the first housing terminal (451), respectively.
  • the second resistance conducting member (200b) is electrically connected to the second resistance terminal (322) and the second housing terminal (452), respectively.
  • the first resistance-conducting member (200a) and the second resistance-conducting member (200b) differ in the resistance terminal (320) and housing terminal (450) to which they are connected, but their structures and functions are identical. Accordingly, in the following description of common parts, the first resistance-conducting member (200a) and the second resistance-conducting member (200b) are collectively referred to as the resistance-conducting member (200).
  • the resistance conducting member (200) includes a first resistance connector (210), a second resistance connector (220), and a resistance cable (230).
  • the first resistor connector (210) is a portion where the resistor conducting member (200) is electrically connected to the resistor terminal (320).
  • the first resistor connector (210) can be detachably connected to the resistor terminal (320).
  • the first resistor connector (210) can penetrate the second terminal opening (142) and be connected to the resistor terminal (320) of the resistor member (300) accommodated in the housing space (420).
  • the first resistor connector (210) can be electrically connected to the resistor terminal (320) in a state where the resistor cover member (100) is coupled to the resistor housing (400).
  • the first resistor connector (210) is electrically connected to the second resistor connector (220) by a resistor cable (230).
  • the second resistor connector (220) is a portion where the resistor conducting member (200) is electrically connected to the housing terminal (450).
  • the second resistor connector (220) can be detachably connected to the housing terminal (450).
  • the second resistor connector (220) can penetrate the first terminal opening (141) and be connected to the housing terminal (450).
  • the second resistor connector (220) can be electrically connected to the housing terminal (450) in a state where the resistor cover member (100) is coupled to the resistor housing (400).
  • the resistance cable (230) electrically connects the first resistance connector (210) and the second resistance connector (220).
  • the resistance cable (230) is electrically connected to the first resistance connector (210) and the second resistance connector (220), respectively.
  • the resistance cable (230) may be provided in any form that can electrically couple the first resistance connector (210) and the second resistance connector (220). In one embodiment, the resistance cable (230) may be provided in the form of a conductor member.
  • the resistance member (300) serves a practical role as a resistor for controlling the power provided by the battery control unit (1).
  • the resistance member (300) is electrically connected to the BDU assembly (20) by the resistance conducting member (200) and the resistance housing (400).
  • the resistance member (300) can be formed to have a predetermined resistance value.
  • the resistance member (300) is coupled to the resistance housing (400). Specifically, the resistance member (300) is accommodated in the housing space (420) and supported on one side in the height direction, the lower side in the illustrated embodiment, by the housing body (410) or the step (430). The other side in the height direction of the resistance member (300), the upper side in the illustrated embodiment, may be supported by the resistance member support protrusion (150).
  • the resistance member (300) is electrically coupled to the resistance-conducting member (200). In one embodiment, the resistance member (300) may be removably coupled to the resistance-conducting member (200).
  • the resistance member (300) can be covered by the resistance cover member (100). At this time, the resistance member (300) can be electrically connected to the resistance conductive member (200) while being covered by the resistance cover member (100) by the terminal opening (140) formed in the resistance cover member (100).
  • the resistance member (300) can be formed to have various sizes. At this time, the resistance members (300) of various sizes can be stably supported by the step portion (430) described later.
  • the resistance member (300) includes a resistance body (310) and a resistance terminal (320).
  • the resistance body (310) constitutes the outer shape of the resistance member (300).
  • the resistance body (310) is formed to have a predetermined resistance value, and substantially performs the role of controlling the power provided by the BDU assembly (20).
  • the resistor body (310) is coupled to a resistor terminal (320).
  • a resistor terminal (320) is positioned on one side of the height direction of the resistor body (310), in the illustrated embodiment, on the upper side.
  • the resistor body (310) is electrically coupled to the resistor terminal (320).
  • the resistor body (310) is accommodated in the housing space (420).
  • One side in the height direction of the resistor body (310), the lower side in the illustrated embodiment, may be supported by either the housing bottom surface (411) or the step portion (430).
  • Each side in the length direction of the resistor body (310), the front side and the rear side in the illustrated embodiment, may be supported by the step portion (430).
  • Each side in the width direction of the resistor body (310), the left and right sides in the illustrated embodiment may be supported by the guide rib (440).
  • the resistance body (310) is covered by a resistance cover member (100).
  • the other side in the height direction of the resistance body (310), the upper side in the illustrated embodiment, may be supported by a resistance member support protrusion (150).
  • the resistance body (310) may have a predetermined resistance value and may have any shape that can be electrically connected to the resistance terminal (320).
  • the resistance body (310) is formed so that the length in the front-back direction is longer than the width in the left-right direction and has a height in the vertical direction.
  • the length in the front-back direction of the resistance body (310) can be defined as the resistance length (L)
  • the width in the left-right direction can be defined as the resistance width (W)
  • the height in the up-down direction can be defined as the resistance height (H).
  • the resistance length (L) may correspond to any one of the accommodation length (AL), which is the length of the housing bottom (411) of the housing body (410), and the first to third accommodation lengths (AL1, AL2, AL3), which are the lengths of the first to third steps (431, 432, 433).
  • AL accommodation length
  • AL1 AL2, AL3
  • the resistance width (W) may be equal to the accommodation width (AW), which is the width between a pair of guide ribs (440). Furthermore, the resistance height (H) may be less than or equal to any one of the accommodation height (AH), which is the distance between the housing bottom (411) and the upper end of the housing body (410), and the first to third accommodation heights (AH1, AH2, AH3), which are the distances between the first to third steps (431, 432, 433) and the upper end of the housing body (410).
  • the resistance body (310) accommodated in the housing space (420) can be supported by at least one of the housing body (410), the step portion (430), and the guide rib (440). As a result, arbitrary shaking of the resistance body (310) accommodated in the housing space (420) can be prevented.
  • the resistance terminal (320) is configured such that the resistance member (300) is electrically connected to the resistance conductive member (200).
  • the resistance terminal (320) is electrically connected to the housing terminal (450) by the resistance conductive member (200).
  • the housing terminal (450) is electrically connected to the resistance case electrical terminal (25), and thus the resistance terminal (320) can also be electrically connected to the resistance case electrical terminal (25).
  • the resistor terminal (320) is coupled to the resistor body (310).
  • the resistor terminal (320) is electrically connected to the resistor body (310).
  • the resistor terminal (320) is located on one side of the resistor body (310) in the height direction, i.e., on the upper side.
  • a plurality of resistance terminals (320) may be provided.
  • the plurality of resistance terminals (320) are spaced apart from each other and can be connected to and conduct electricity with the plurality of resistance conducting members (200a, 200b).
  • the resistance terminal (320) includes a first resistance terminal (321) and a second resistance terminal (322).
  • the first resistor terminal (321) is positioned adjacent to one longitudinal side of the resistor body (310), in the illustrated embodiment, the front end.
  • the first resistor terminal (321) is connected to the second resistor connector (220) provided on the first resistor conducting member (200a) and is electrically connected.
  • the first resistor terminal (321) and the second resistor connector (220) may be detachably connected.
  • the second resistor terminal (322) is positioned adjacent to the other end of the longitudinal direction of the resistor body (310), in the illustrated embodiment, the rear end.
  • the second resistor terminal (322) is connected to the first resistor connector (210) provided on the second resistor conducting member (200b) and is electrically connected.
  • the second resistor terminal (322) and the first resistor connector (210) may be detachably connected.
  • the resistor housing (400) accommodates the resistor member (300).
  • the resistor housing (400) is electrically connected to the resistor member (300).
  • the resistor housing (400) can be coupled to the BDU assembly (20) while accommodating the resistor member (300).
  • the resistor housing (400) can be accommodated in the resistor case accommodation space (23a), supported by the resistor case support rib (23b), and coupled to the resistor case coupling portion (24).
  • the resistor housing (400) is electrically connected to the BDU assembly (20). Specifically, the resistor housing (400) is electrically connected to the resistor case electrical terminal (25). Accordingly, the resistor member (300) and the BDU assembly (20) can be electrically connected.
  • the resistance housing (400) is coupled with the resistance cover member (100).
  • the resistance member (300) accommodated inside the resistance housing (400) can be covered by the resistance cover member (100).
  • the resistance housing (400) is connected to the resistance conducting member (200) and is electrically connected.
  • the resistance housing (400) can be electrically connected to the resistance member (300) by the resistance conducting member (200).
  • the resistance housing (400) can stably support the resistance member (300) even when the physical size of the resistance member (300) changes. Accordingly, even when the resistance member (300) is formed to have various sizes, the resistance housing (400) can accommodate the resistance member (300) without being replaced.
  • the resistance housing (400) includes a housing body (410), a housing space (420), a step portion (430), a guide rib (440), a housing terminal (450), and a housing coupling protrusion (460).
  • the housing body (410) constitutes the body of the resistor housing (400). Other components of the resistor housing (400) are formed or combined in the housing body (410). In the illustrated embodiment, a housing space (420) is formed inside the housing body (410). A step portion (430) and a guide rib (440) are formed on one side in the height direction of the housing body (410), that is, on the lower side in the illustrated embodiment. A housing terminal (450) is combined in the housing body (410), and a housing combining protrusion (460) is formed.
  • the housing body (410) may have a shape corresponding to the shape of the resistance body (310).
  • the housing body (410) has a three-dimensional shape in which the length in the front-back direction is longer than the width in the left-right direction and the height in the up-down direction is greater.
  • the length, width, and height of the housing body (410) may be formed to be greater than the resistance length (L), resistance width (W), and resistance height (H).
  • the housing body (410) is coupled to the BDU assembly (20).
  • the housing body (410) is at least partially accommodated in the resistance case accommodation space (23a) and can be supported by the resistance case support rib (23b).
  • the housing body (410) includes a housing bottom (411), a terminal support (412), and a cover receiving portion (413).
  • the housing bottom (411) constitutes one side of the housing body (410) in the height direction, i.e., the lower side in the illustrated embodiment.
  • the housing bottom (411) surrounds the housing space (420) from the one side in the height direction, i.e., the lower side.
  • the housing bottom (411) can support the resistance body (310) of the resistance member (300) accommodated in the housing space (420) from the lower side.
  • the housing bottom surface (411) may have a shape corresponding to the horizontal cross-section of the housing body (410). In the illustrated embodiment, the housing bottom surface (411) is formed so that the length in the front-back direction is longer than the width in the left-right direction and has a thickness in the up-down direction.
  • the length of the housing bottom (411) can be defined as the accommodation length (AL).
  • the accommodation length (AL) can be equal to the resistance length (L) of the smallest resistance body (310) among the resistance bodies (310) formed to have different shapes.
  • the housing bottom surface (411) is continuous with the step portion (430). Specifically, each longitudinal end of the housing bottom surface (411) is continuous with the first step portion (431). Each longitudinal end of the resistance body (310) supported by the housing bottom surface (411) can be supported in the longitudinal direction by the first step portion (431).
  • the terminal support (412) is coupled to and supports the housing terminal (450).
  • the terminal support (412) may be defined as a portion adjacent to a longitudinal end of the housing body (410).
  • the terminal support (412) may be spaced inward from the longitudinal end of the housing body (410).
  • the terminal support (412) is positioned to face the end of the housing body (410) with the cover receiving portion (413) interposed therebetween.
  • the terminal support (412) extends in the height direction of the housing body (410), in the vertical direction in the illustrated embodiment.
  • One side of the terminal support (412) in the height direction, in the illustrated embodiment, the upper side, may be positioned lower than the upper end of the housing body (410).
  • the other side in the height direction of the terminal support (412), the lower side in the illustrated embodiment, can be positioned at the same height as the third step (433).
  • the inner side of the terminal support (412) is continuous with the third step (433).
  • the terminal support (412) can be combined with the housing terminal (450).
  • a hollow is formed inside the terminal support (412), through which the housing terminal (450) can pass.
  • the housing terminal (450) is exposed to the outside of the terminal support (412) along the height direction.
  • the terminal support (412) partially surrounds the cover receiving portion (413). In the illustrated embodiment, the terminal support (412) surrounds the cover receiving portion (413) on the longitudinal inner side of the housing body (410).
  • the terminal support (412) is continuous with the third housing coupling protrusion (463).
  • the third housing coupling protrusion (463) may be formed to protrude on the outer side in the longitudinal direction of the terminal support (412).
  • a plurality of terminal supports (412) may be formed.
  • the plurality of terminal supports (412) are spaced apart from each other to support a plurality of housing terminals (450), respectively.
  • a pair of terminal supports (412) are provided and are positioned on the inside of each end of the housing body (410) in the longitudinal direction, i.e., the front end and the rear end, respectively.
  • the pair of terminal supports (412) support the first housing terminal (451) and the second housing terminal (452), respectively.
  • the cover receiving portion (413) constitutes a portion where the resistance housing (400) is coupled with the resistance cover member (100).
  • the cover receiving portion (413) accommodates the first cover coupling portion (121).
  • a first housing coupling protrusion (461) is positioned in the cover receiving portion (413) and can be coupled with a first coupling opening (131) formed in the first cover coupling portion (121).
  • the cover receiving portion (413) is positioned adjacent to the longitudinal end of the housing body (410).
  • the cover receiving portion (413) is positioned between the longitudinal end of the housing body (410) and the terminal support portion (412).
  • the cover receiving portion (413) may have any shape capable of receiving the first cover coupling portion (121).
  • the cover receiving portion (413) is formed as a space whose length in the front-back direction is shorter than its width in the left-right direction and whose height in the up-down direction is greater.
  • Each end of the cover receiving portion (413) in the height direction, i.e., the upper end and the lower end, is formed to be open.
  • a plurality of cover receiving portions (413) may be formed.
  • the plurality of cover receiving portions (413) are spaced apart from each other and can each receive a plurality of first cover coupling portions (121).
  • a pair of cover receiving portions (413) are provided and are positioned on the outer side of a pair of terminal support portions (412) along the longitudinal direction of the housing body (410).
  • the housing space (420) is a space formed inside the housing body (410).
  • the housing space (420) accommodates a resistance member (300).
  • the housing space (420) is covered by a resistance cover member (100), but is connected to the outside at one side in the height direction, in the illustrated embodiment, upward, by a terminal opening (140).
  • the other side in the height direction of the housing space (420), in the illustrated embodiment, the lower side, is surrounded by the housing bottom surface (411) and the step portion (430).
  • the step portion (430) the lower side of the housing space (420) can be formed to have different heights along the longitudinal direction of the housing body (410). That is, in the illustrated embodiment, the housing space (420) is formed such that its height decreases as it goes toward the outer side in the longitudinal direction of the housing body (410).
  • the accommodation height (AH) which is the height of the portion of the housing space (420) surrounded by the housing bottom (411), has a larger value than the first to third accommodation heights (AH1, AH2, AH3), which are the heights of the portion surrounded by the first to third step portions (431, 432, 433).
  • the housing space (420) may have a shape corresponding to the shape of the resistance body (310) or the housing body (410).
  • the housing space (420) is formed as a three-dimensional space having a length in the front-back direction longer than a width in the left-right direction and a height in the up-down direction.
  • the step portion (430) is configured to vary the length and height of the housing space (420). As the step portion (430) is formed, the resistance housing (400) can accommodate resistance bodies (310) of various sizes. That is, the step portion (430) plays a role in stably supporting resistance bodies (310) of different sizes.
  • a step portion (430) is formed in the housing body (410).
  • the step portion (430) extends between a longitudinal end portion of the housing bottom surface (411) and a longitudinal end portion of the housing body (410).
  • the step portion (430) is continuous with the end portion of the housing bottom surface (411) and the end portion of the housing body (410), respectively.
  • a plurality of step portions (430) may be formed.
  • the plurality of step portions (430) may be spaced apart from each other and may be continuous with the end portion of the housing bottom surface (411) and the end portion of the housing body (410), respectively.
  • a pair of step portions (430) are provided.
  • One of the step portions (430) is continuous with the front side end of the housing bottom surface (411) and the front side end of the housing body (410), respectively.
  • the other step portion (430) is continuous with the rear side end of the housing bottom surface (411) and the rear side end of the housing body (410), respectively.
  • the step portion (430) may be provided in a single unit, and may be continuous with only one end of the housing bottom surface (411) and only one end of the housing body (410).
  • one end of the resistance body (310) in the longitudinal direction may be supported by the inner surface of the housing body (410)
  • the other end of the resistance body (310) in the longitudinal direction may be supported by the inner surface of the housing body (410) or the step portion (430).
  • the step portion (430) may be configured to include a portion extending in the height direction of the housing body (410) and another portion that is continuous with the portion and extends in the length direction of the housing body (410). In other words, the step portion (430) may be configured to include a portion extending in the vertical direction and another portion extending in the front-back direction.
  • the step portion (430) can support at least one of the longitudinal end of the resistance body (310) and one side in the height direction, i.e., the lower side.
  • the step portion (430) is continuous with the guide rib (440).
  • a guide rib (440) is formed on each width-wise side of the longitudinal inner edge of the step portion (430), so that each width-wise side of the resistance body (310) can be supported.
  • the step portion (430) may be configured to include a plurality of portions having different heights along the longitudinal direction of the housing body (410).
  • the step portion (430) includes a first step portion (431), a second step portion (432), and a third step portion (433).
  • the first step (431) is located at the lowest side among the step parts (430).
  • the first step (431) is continuous with the housing bottom surface (411) and the second step (432), respectively.
  • the first step (431) is located between the housing bottom surface (411) and the second step (432).
  • the above-mentioned part of the first step portion (431) extends in the vertical direction at a predetermined angle with the longitudinal end of the housing bottom surface (411).
  • the above-mentioned part of the first step portion (431) can support the longitudinal end of the resistance body (310) whose lower side is supported by the housing bottom surface (411).
  • the distance between the above-mentioned portions of a pair of first step portions (431) can be defined as the accommodation length (AL). That is, the above-mentioned portions of a pair of first step portions (431) are positioned spaced apart by the length of the housing bottom surface (411).
  • the other part of the first step portion (431) extends in the front-back direction at a predetermined angle with the first part.
  • the other part of the first step portion (431) can support the lower side of the resistance body (310) having a resistance length (L) corresponding to the first receiving length (AL1).
  • the distance between the other part of the first step portion (431) and the upper end of the housing body (410) can be defined as the first receiving height (AH1).
  • the other part of the first step portion (431) can support the lower side of the resistance body (310) having a resistance height (H) less than or equal to the first receiving height (AH1).
  • the second step (432) is continuous with the first step (431) and the third step (433), respectively.
  • the second step (432) is located between the first step (431) and the third step (433).
  • the part of the second step (432) extends in the vertical direction at a predetermined angle with the other part of the first step (431).
  • the part of the second step (432) can support the longitudinal end of the resistance body (310) whose lower side is supported by the other part of the first step (431).
  • the distance between the above-mentioned portions of the pair of second step portions (432) can be defined as the first acceptance length (AL1). That is, the above-mentioned portions of the pair of second step portions (432) are positioned to be spaced apart by the sum of the length of the housing bottom surface (411) and the length of the above-mentioned other portions of the pair of first step portions (431).
  • the other part of the second step portion (432) extends in the front-back direction at a predetermined angle with the first part.
  • the other part of the second step portion (432) can support the lower side of the resistance body (310) having a resistance length (L) corresponding to the length of the second receiving length (AL2).
  • the distance between the other part of the second step portion (432) and the upper end of the housing body (410) can be defined as the second receiving height (AH2).
  • the other part of the second step portion (432) can support the lower side of the resistance body (310) having a resistance height (H) less than or equal to the second receiving height (AH2).
  • the third step (433) is continuous with the second step (432) and the terminal support (412), respectively.
  • the third step (433) is located between the second step (432) and the terminal support (412).
  • the part of the third step (433) extends in the vertical direction at a predetermined angle with the other part of the second step (432).
  • the part of the third step (433) can support the longitudinal end of the resistance body (310) whose lower side is supported by the other part of the second step (432).
  • the distance between the above-mentioned portions of the pair of third steps (433) can be defined as the second accommodation length (AL2). That is, the above-mentioned portions of the pair of third steps (433) are positioned to be spaced apart by the sum of the length of the housing bottom surface (411), the length of the other portion of the pair of first steps (431), and the length of the other portion of the pair of second steps (432).
  • the other part of the third step (433) extends in the front-back direction at a predetermined angle with the one part.
  • One end of the extension direction of the other part of the third step (433), the rear side in the illustrated embodiment, is continuous with the inner surface of the terminal support (412).
  • the other part of the third step (433) can support the lower side of the resistance body (310) having a resistance length (L) corresponding to the length of the third receiving length (AL3).
  • the distance between the other part of the third step (433) and the upper end of the housing body (410) can be defined as the third receiving height (AH3).
  • the other part of the third step (433) can support the lower side of the resistance body (310) having a resistance height less than or equal to the third receiving height (AH3).
  • the distance between the inner surfaces of a pair of terminal supports (412) may be defined as a third accommodation length (AL3). That is, the third accommodation length (AL3) is positioned to be spaced apart by the sum of the length of the housing bottom surface (411), the length of the other portion of the pair of first steps (431), the length of the other portion of the pair of second steps (432), and the length of the other portion of the pair of third steps (433).
  • the acceptance length (AL), the first acceptance length (AL1), the second acceptance length (AL2), and the third acceptance length (AL3) may be formed so that their values sequentially increase.
  • the acceptance height (AH), the first acceptance height (AH1), the second acceptance height (AH2), and the third acceptance height (AH3) may also be formed so that their values sequentially increase.
  • the smallest resistance body (310) can be supported by the housing bottom (411) and the first step (431).
  • the next smallest resistance body (310) can be supported by the first step (431) and the second step (432).
  • the next smallest resistance body (310) can be supported by the second step (432) and the third step (433), and the largest resistance body (310) can be supported by the third step (433) and the terminal support (412).
  • the resistance member (300) can be stably supported even when the size of the resistance body (310) changes as the step portion (430) is formed.
  • the guide rib (440) is combined with the step portion (430) to support the resistance body (310) accommodated in the housing space (420) in the width direction.
  • the resistance body (310) can be stably maintained without swinging in the width direction.
  • each direction of the resistance body (310) is supported, so that the combined state of the resistance housing (400) and the resistance member (300) can be stably maintained.
  • the guide rib (440) is continuous with the above-mentioned part of the step portion (430).
  • the guide rib (440) is formed to protrude inwardly in the longitudinal direction of the housing body (410) from the above-mentioned part of the step portion (430).
  • a plurality of guide ribs (440) may be formed.
  • the plurality of guide ribs (440) are spaced apart from each other along the width direction of the housing body (410) to support the resistance body (310) on each side in the width direction.
  • a pair of guide ribs (440) are provided and are positioned at each end in the width direction of the longitudinal inner end of the step portion (430).
  • the pair of guide ribs (440) support the resistance body (310) inserted into the space formed between them on each side in the width direction, i.e., the left and right sides, respectively.
  • the guide rib (440) includes a first guide rib (441), a second guide rib (442), and a third guide rib (443).
  • the first guide rib (441) is continuous with the above-mentioned part of the first step portion (431).
  • the first guide rib (441) supports the resistance body (310) whose lower side is supported by the housing bottom surface (411), i.e., the resistance body (310) having a resistance length (L) corresponding to the accommodation length (AL) in the width direction.
  • the second guide rib (442) is continuous with the above-mentioned part of the second step portion (432).
  • the second guide rib (442) supports the resistance body (310) whose lower side is supported by the above-mentioned other part of the first step portion (431), i.e., the resistance body (310) having a resistance length (L) corresponding to the first receiving length (AL1) in the width direction.
  • the third guide rib (443) is continuous with the above-mentioned part of the third step portion (433).
  • the third guide rib (443) supports the resistance body (310) whose lower side is supported by the above-mentioned other part of the second step portion (432), i.e., the resistance body (310) having a resistance length (L) corresponding to the second receiving length (AL2), in the width direction.
  • additional guide ribs may be formed on each inner surface of the housing body (410) in the width direction.
  • the guide ribs may support the resistance body (310) in the width direction, i.e., the resistance body (310) having a resistance length (L) corresponding to the third accommodation length (AL3), the lower side of which is supported by the other part of the third step portion (433).
  • the longitudinal direction of the resistor body (310) can be supported by the above-mentioned part of the step portion (430) or the terminal support portion (412), and the height direction can be supported by the above-mentioned other part of the step portion (430) or the housing bottom surface (411) and the resistor member support protrusion (150). Furthermore, the width direction of the resistor body (310) can be supported by the guide rib (440).
  • the housing terminal (450) is a configuration in which the resistance housing (400) is electrically connected to the resistance conducting member (200) and the BDU assembly (20).
  • the housing terminal (450) is electrically connected to the resistance terminal (320) by the resistance conducting member (200).
  • the housing terminal (450) is electrically connected to the resistance conducting member (200).
  • the housing terminal (450) may be detachably connected to the resistance conducting member (200).
  • the housing terminal (450) is coupled to the resistance case current-carrying terminal (25).
  • the housing terminal (450) is electrically connected to the resistance case current-carrying terminal (25) so that it can be electrically connected to the BDU assembly (20).
  • the housing terminal (450) is coupled to the terminal support (412).
  • the housing terminal (450) can be received and supported by the terminal support (412). In one embodiment, the housing terminal (450) can penetrate the terminal support (412).
  • the housing terminal (450) may have any shape that can be connected to and conduct current with the first resistor connector (210) and the resistor case current terminal (25) of the resistor current-carrying member (200), respectively.
  • the housing terminal (450) is formed to have a height in the vertical direction.
  • One side of the housing terminal (450) in the height direction, the upper end in the illustrated embodiment, is exposed to the outside of the terminal support (412) and can be connected to the first resistor connector (210) and conducted with current.
  • the other side of the housing terminal (450) in the height direction, the lower end in the illustrated embodiment, is exposed to the outside of the terminal support (412) and can be connected to the resistor case conducting terminal (25) and conducted with current.
  • a plurality of housing terminals (450) may be provided.
  • the plurality of housing terminals (450) are spaced apart from each other and can be connected to and conduct electricity with a plurality of resistance current-carrying members (200a, 200b) and a plurality of resistance case current-carrying terminals (25), respectively.
  • the housing terminal (450) includes a first housing terminal (451) and a second housing terminal (452).
  • the first housing terminal (451) is coupled with a terminal support (412) located on one side of the housing body (410) in the longitudinal direction, i.e., the front side in the illustrated embodiment, among the plurality of terminal support portions (412).
  • the first housing terminal (451) is coupled with and conducted with a first resistor connector (210) provided on the first resistor conducting member (200a).
  • the first housing terminal (451) and the first resistor connector (210) may be detachably coupled.
  • the first housing terminal (451) is connected to and conducts electricity with one of the resistance case current-carrying terminals (25) located on one side of the length direction of the resistance case receiving portion (23), i.e., the front side, among the pair of resistance case current-carrying terminals (25).
  • the first housing terminal (451) and one of the resistance case current-carrying terminals (25) may be detachably connected.
  • the second housing terminal (452) is coupled with a terminal support (412) located on the other side of the housing body (410) in the longitudinal direction, i.e., the rear side in the illustrated embodiment, among the plurality of terminal support portions (412).
  • the second housing terminal (452) is coupled with and conducted with a first resistor connector (210) provided in the second resistor conducting member (200b).
  • the second housing terminal (452) and the first resistor connector (210) may be detachably coupled.
  • the second housing terminal (452) is connected to and conducts electricity with another resistance case current terminal (25) located on the other side of the length direction of the resistance case receiving portion (23), i.e., the rear side, among the pair of resistance case current terminals (25).
  • the second housing terminal (452) and the other resistance case current terminal (25) can be detachably connected.
  • the housing coupling protrusion (460) is a portion where the resistor housing (400) is coupled with the resistor cover member (100) and the BDU assembly (20). As the housing coupling protrusion (460) is coupled with the resistor cover member (100) and the BDU assembly (20), the resistor housing (400) can be maintained in a state of being stably coupled with the BDU assembly (20) and the resistor cover member (100).
  • the housing coupling protrusion (460) may be provided in any shape that can be stably coupled with the resistance cover member (100) and the BDU assembly (20).
  • the housing coupling protrusion (460) is provided in the shape of a protrusion so that it can be snap-coupled or hook-coupled with the resistance cover member (100) and the BDU assembly (20).
  • the housing coupling protrusion (460) can be removably coupled with the resistance cover member (100) and the BDU assembly (20).
  • the housing coupling protrusion (460) is coupled with the housing body (410).
  • the housing coupling protrusion (460) may be formed to protrude from the housing body (410).
  • a plurality of housing coupling protrusions (460) can be formed.
  • the plurality of housing coupling protrusions (460) can be positioned at different positions and can be coupled with the resistance cover member (100) or the BDU assembly (20), respectively.
  • the housing engaging protrusion (460) includes a first housing engaging protrusion (461), a second housing engaging protrusion (462), and a third housing engaging protrusion (463).
  • the first housing coupling protrusion (461) constitutes a part through which the resistance housing (400) is coupled with the resistance cover member (100).
  • the first housing coupling protrusion (461) is received in the first coupling opening (131) and supported by the first cover coupling portion (121).
  • the first housing coupling protrusion (461) is located on the inner surface of the longitudinal end of the housing body (410).
  • the first housing coupling protrusion (461) is located in the cover receiving portion (413), is coupled with the first cover coupling portion (121) inserted into the cover receiving portion (413), and is received in the first coupling opening (131).
  • the first housing coupling protrusion (461) protrudes toward the terminal support portion (412), but is positioned to be spaced apart from the terminal support portion (412).
  • a plurality of first housing coupling protrusions (461) may be formed.
  • the plurality of first housing coupling protrusions (461) may be coupled with the plurality of first cover coupling portions (121) and the plurality of first coupling openings (131) at different positions, respectively.
  • a pair of first housing coupling protrusions (461) are provided.
  • the pair of first housing coupling protrusions (461) are positioned on the inner surface of each longitudinal end of the housing body (410) and can be coupled with a pair of first cover coupling portions (121) and a pair of first coupling openings (131), respectively.
  • the number and arrangement of the first housing coupling protrusions (461) may be changed depending on the number and arrangement of the first cover coupling portion (121) and the first coupling opening (131).
  • the second housing coupling protrusion (462) constitutes another portion where the resistor housing (400) is coupled with the resistor cover member (100).
  • the second housing coupling protrusion (462) is received in the second coupling opening (132) and supported by the second cover coupling portion (122).
  • the second housing coupling protrusion (462) is located on the outer surface in the width direction of the housing body (410).
  • the second housing coupling protrusion (462) is coupled with the second cover coupling portion (122) and is received in the second coupling opening (132).
  • the second housing coupling protrusion (462) is formed to protrude from the outer surface in the width direction of the housing body (410).
  • a plurality of second housing coupling protrusions (462) may be formed.
  • the plurality of second housing coupling protrusions (462) may be coupled with the plurality of second cover coupling portions (122) and the plurality of second coupling openings (132) at different positions, respectively.
  • a pair of second housing coupling protrusions (462) are provided.
  • the pair of second housing coupling protrusions (462) are positioned on each outer surface in the width direction of the housing body (410) and can be coupled with a pair of second cover coupling portions (122) and a pair of second coupling openings (132), respectively.
  • the number and arrangement of the second housing coupling protrusions (462) may be changed depending on the number and arrangement of the second cover coupling portion (122) and the second coupling opening (132).
  • the third housing coupling protrusion (463) is a portion where the resistor housing (400) is coupled to the BDU assembly (20).
  • the third housing coupling protrusion (463) is coupled to the resistor case coupling portion (24).
  • the third housing coupling protrusion (463) is located on the outer surface of the terminal support portion (412) of the housing body (410).
  • the third housing coupling protrusion (463) is located opposite the first housing coupling protrusion (461), but is located apart from the first housing coupling protrusion (461) in the height direction of the housing body (410), i.e., in the vertical direction in the illustrated embodiment.
  • the third housing coupling protrusion (463) is positioned lower than the first housing coupling protrusion (461).
  • the third housing coupling protrusion (463) is formed to protrude outward in the longitudinal direction of the housing body (410).
  • a plurality of third housing coupling protrusions (463) can be formed.
  • the plurality of third housing coupling protrusions (463) can be coupled with the plurality of resistance case coupling portions (24) at different positions, respectively.
  • a pair of third housing coupling protrusions are provided.
  • a pair of third housing coupling protrusions (463) are formed to protrude from the outer surface of a pair of terminal support portions (412) and can be coupled with a pair of resistance case coupling portions (24), respectively.
  • the number and arrangement of the third housing coupling protrusions (463) may be changed depending on the number and arrangement of the resistance case coupling portions (24).
  • a state in which each component of a resistance case (30) according to an embodiment of the present invention is combined is illustrated as an example.
  • the resistor housing (400) can support the resistor body (310) regardless of its size. That is, any one of the housing bottom surface (411) and the plurality of step portions (431, 432, 433) provided in the resistor housing (400) can support the lower side of the resistor body (310).
  • terminal support member (412) and any one of the plurality of step members (431, 432, 433) can support each longitudinal end of the resistor body (310). Furthermore, each widthwise side of the resistor body (310) can be supported by any one of the plurality of guide ribs (441, 442, 443).
  • one side in the height direction of the resistance body (310), i.e., the upper side, can be supported by the resistance member support protrusion (150).
  • each side in the length direction, each side in the width direction, and each side in the height direction of the resistance body (310) can be supported, respectively, so that the fluctuation of the resistance body (310) can be prevented. Accordingly, the coupling state between the resistance terminal (320) coupled with the resistance body (310) and the resistance conducting member (200) can also be stably maintained.
  • the step portion (430) may be formed only on one side of the longitudinal direction of the housing body (410).
  • the resistance body (310) may be positioned offset to one side along the longitudinal direction of the housing body (410).
  • one longitudinal end of the resistance body (310) is supported by the terminal support (412) or the longitudinal inner surface of the housing body (410), and the other longitudinal end may be supported by the terminal support (412) and one of the plurality of step portions (431, 432, 433).
  • FIG. 27 a process of combining a battery control unit (1) according to an embodiment of the present invention is illustrated as an example.
  • the resistor housing (400) is coupled with the BDU assembly (20). Specifically, the housing body (410) is accommodated in the resistor case accommodation space (23a) and supported by the resistor case support rib (23b).
  • the third housing coupling protrusion (463) is coupled with the resistor case coupling portion (24), and the housing terminal (450) is coupled with the resistor case current-carrying terminal (25) to conduct electricity.
  • the resistance member (300) is accommodated in the housing space (420).
  • the resistance member (300) accommodated in the housing space (420) may be supported by the housing bottom surface (411), the step portion (430), or the guide rib (440).
  • the resistance cover member (100) covers the resistance member (300) and is coupled with the resistance housing (400). Specifically, the first cover coupling portion (121) and the first coupling opening (131) are coupled with the first housing coupling protrusion (461), and the second cover coupling portion (122) and the second coupling opening (132) are coupled with the second housing coupling protrusion (462). At the same time, the resistance member support protrusion (150) supports the upper surface of the resistance body (310).
  • the resistance terminal (320) and the housing terminal (450) are exposed to the outside through the second terminal opening (142) and the first terminal opening (141), respectively.
  • the resistance conducting member (200) is coupled with the resistance member (300) and the resistance housing (400).
  • the first resistance connector (210) penetrates the second terminal opening (142) and is coupled with the terminal housing terminal (450).
  • the second resistance connector (220) penetrates the first terminal opening (141) and is coupled with the resistance terminal (320).
  • the resistance conducting member (200) can be connected to the resistance terminal (320) and the housing terminal (450), respectively, while the resistance cover member (100) is connected to the resistance housing (400). Therefore, since the configuration of the resistance conducting member (200) can be connected to the resistance terminal (320) and the housing terminal (450) on the outside of the resistance housing (400), the connection process of the resistance case (30) can be easily performed.
  • BDU assembly 21 BDU housing
  • Mating opening 131 First mating opening
  • Second coupling opening 140 Terminal opening
  • Resistance member support protrusion 151 Support rib
  • 200a First resistance current-carrying member
  • 200b Second resistance current-carrying member
  • Resistor body 320 Resistor terminal
  • Cover receiving portion 420 Housing space
  • Step section 431 First step section
  • Guide rib 441 First guide rib
  • Second guide rib 443 Third guide rib
  • Housing terminal 451 First housing terminal
  • Second housing terminal 460 Housing coupling protrusion
  • AH1 First acceptance height
  • AH2 Second acceptance height

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  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Microelectronics & Electronic Packaging (AREA)

Abstract

La divulgation concerne un boîtier de résistance et une unité de commande de batterie le comprenant. Selon un aspect de la présente invention, le boîtier de résistance peut comprendre : un élément de résistance électriquement connecté à l'extérieur ; un boîtier de résistance destiné à recevoir l'élément de résistance ; et un élément de recouvrement de résistance recouvrant l'élément de résistance et couplé au boîtier de résistance, l'élément de résistance comprenant un corps de résistance ayant une longueur dans une direction et une largeur dans l'autre direction, le boîtier de résistance comprenant : un espace de boîtier formé à l'intérieur de celui-ci et recevant l'élément de résistance ; une surface inférieure de boîtier entourant l'espace de boîtier à partir du côté inférieur de celui-ci ; et une partie étagée continue avec la surface inférieure de boîtier et formée à une hauteur plus élevée que la surface inférieure de boîtier le long de la direction longitudinale de l'élément de résistance, et le côté inférieur du corps de résistance est supporté par la surface inférieure de boîtier ou la partie étagée.
PCT/KR2025/005720 2024-05-20 2025-04-28 Boîtier de résistance et unité de commande de batterie le comprenant Pending WO2025244310A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2024-0065001 2024-05-20
KR1020240065001A KR20250165763A (ko) 2024-05-20 2024-05-20 저항 케이스 및 이를 포함하는 배터리 제어 유닛

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WO2025244310A1 true WO2025244310A1 (fr) 2025-11-27

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KR (1) KR20250165763A (fr)
WO (1) WO2025244310A1 (fr)

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KR20160122515A (ko) * 2015-04-14 2016-10-24 엘에스산전 주식회사 Bdu용 조립식 케이스
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