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WO2025146928A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2025146928A1
WO2025146928A1 PCT/KR2024/017716 KR2024017716W WO2025146928A1 WO 2025146928 A1 WO2025146928 A1 WO 2025146928A1 KR 2024017716 W KR2024017716 W KR 2024017716W WO 2025146928 A1 WO2025146928 A1 WO 2025146928A1
Authority
WO
WIPO (PCT)
Prior art keywords
thermoelectric element
wire
refrigerator
sink
cooling
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/KR2024/017716
Other languages
English (en)
Korean (ko)
Inventor
서동필
성태현
이승진
이재복
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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
Priority claimed from KR1020240048347A external-priority patent/KR20250107680A/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of WO2025146928A1 publication Critical patent/WO2025146928A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • F25D19/04—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with more than one refrigeration unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/08—Parts formed wholly or mainly of plastics materials

Definitions

  • thermoelectric cooling device that generates heat and cooling through the Peltier effect can be used as a cold air supply device of a refrigerator.
  • the thermoelectric cooling device can include a thermoelectric element.
  • the thermoelectric element has a heat generating portion formed on one side and a heat absorbing portion formed on the opposite side, and when current is applied to the thermoelectric element, a heat generating action can occur in the heat generating portion and a heat absorbing action can occur in the heat absorbing portion.
  • thermoelectric element sealing portion may be provided on the outside of the thermoelectric element to prevent moisture from penetrating into the thermoelectric element.
  • One aspect of the present disclosure provides a refrigerator that more effectively prevents moisture from penetrating into the interior of a thermoelectric element.
  • thermoelectric element sealing portion having improved durability and assembly properties.
  • a refrigerator comprises a main body, a thermoelectric element including a heat generating portion and a heat absorbing portion, the thermoelectric element being provided on an upper wall of the main body such that the heat generating portion faces above the thermoelectric element and the heat absorbing portion faces below the thermoelectric element, a heat dissipation sink provided on an upper side of the thermoelectric element so as to be in contact with the heat generating portion, a cooling sink provided on a lower side of the thermoelectric element so as to be in contact with the heat absorbing portion, and a thermoelectric element sealing portion provided to cover an outer surface of the thermoelectric element and seal between the heat dissipation sink and the cooling sink.
  • the thermoelectric element sealing portion includes a wire cover portion that covers a wire connected to the thermoelectric element.
  • a refrigerator comprises: a main body; a thermoelectric element including a heat generating portion provided on an upper surface and a heat absorbing portion provided on a lower surface; a wire connected to the thermoelectric element so as to supply power to the thermoelectric element; a heat sink provided on an upper side of the thermoelectric element so as to be in contact with the heat generating portion; a cooling sink provided on a lower side of the thermoelectric element so as to be in contact with the heat absorbing portion; and a thermoelectric element sealing portion covering an outer surface of the thermoelectric element so as to prevent moisture from penetrating into the thermoelectric element.
  • the thermoelectric element sealing portion includes a lower sealing portion covering an outer surface of a lower portion of the thermoelectric element and a lower portion of the wire, and an upper sealing portion covering an upper surface of an upper portion of the thermoelectric element and an upper portion of the wire, and being detachably connected to the lower sealing portion.
  • FIG. 1 is a perspective view illustrating a refrigerator according to one embodiment.
  • FIG. 2 is a perspective view illustrating the doors of a refrigerator in an open state according to one embodiment.
  • FIG. 3 is a drawing of the upper part of a storage compartment of a refrigerator according to one embodiment, viewed from below.
  • FIG. 4 is a schematic cross-sectional side view of a refrigerator according to one embodiment.
  • Figure 5 is a cross-sectional view taken along line A-A' shown in Figure 2.
  • FIG. 6 is a perspective view illustrating a joint structure of a thermoelectric module and an upper wall of a main body according to one embodiment.
  • FIG. 7 is a diagram illustrating a heat dissipation fan and a thermoelectric module according to one embodiment.
  • Fig. 8 is an exploded view showing a portion of the thermoelectric module illustrated in Fig. 7.
  • FIG. 9 is a drawing illustrating a thermoelectric element and a thermoelectric element sealing portion arranged inside a plate opening according to one embodiment.
  • FIG. 10 is a drawing illustrating a thermoelectric element sealing part according to one embodiment.
  • Figure 11 is a cross-sectional view taken along line B-B' shown in Figure 10.
  • Figure 12 is a cross-sectional view taken along line C-C' shown in Figure 10.
  • FIG 13 is an exploded view of the thermoelectric element and thermoelectric element sealing portion illustrated in Figure 9.
  • Figure 14 is a top view of an exploded view of a thermoelectric element and a thermoelectric element sealing portion according to one embodiment.
  • FIG 15 is a drawing of the thermoelectric element and thermoelectric element sealing part illustrated in Figure 14 as viewed from below.
  • FIG. 16 is a cross-sectional view illustrating a thermoelectric element sealing portion fixed inside a plate opening according to one embodiment.
  • FIG. 17 is a cross-sectional view illustrating a thermoelectric element sealing portion fixed inside a plate opening according to one embodiment.
  • Fig. 18 is a plan view illustrating a thermoelectric element arranged on a lower sealing portion according to one embodiment.
  • Figure 19 is a top view exploded view of a portion of a thermoelectric element and a thermoelectric element sealing portion according to one embodiment.
  • FIG. 20 is a drawing illustrating a thermoelectric element and a thermoelectric element sealing portion according to one embodiment.
  • each of the phrases “A or B”, “at least one of A and B”, “at least one of A or B”, “A, B or C”, “at least one of A, B and C”, and “at least one of A, B, or C” can include any one of the items listed together in the corresponding phrase, or all possible combinations thereof.
  • a refrigerator according to one embodiment may include a body.
  • the “body” may include an inner case, an outer case arranged on the outside of the inner case, and an insulating material provided between the inner case and the outer case.
  • the “inner case” may include at least one of a case, a plate, a panel, or a liner forming a storage compartment.
  • the inner case may be formed as a single body, or may be formed by assembling a plurality of plates.
  • the “outer case” may form an outer appearance of the main body, and may be joined to the outer side of the inner case so that insulation is arranged between the inner case and the outer case.
  • the insulation can insulate the inside of the storage room and the outside of the storage room so that the temperature inside the storage room can be maintained at a set appropriate temperature without being affected by the environment outside the storage room.
  • the insulation can include foam insulation.
  • the foam insulation can be formed by injecting and foaming urethane foam mixed with polyurethane and a foaming agent between the inner and outer layers.
  • the insulation may additionally include a vacuum insulation in addition to the foam insulation, or the insulation may consist solely of the vacuum insulation instead of the foam insulation.
  • the vacuum insulation may include a core and an outer shell that accommodates the core and seals the interior at a vacuum or near-vacuum pressure.
  • the insulation is not limited to the foam insulation or vacuum insulation described above, and may include various materials that can be used for insulation.
  • the "storage room” may include a space defined by an inner box.
  • the storage room may further include an inner box defining a space corresponding to the storage room.
  • Various items such as food, medicine, and cosmetics may be stored in the storage room, and the storage room may be formed so that at least one side is open for taking items in and out.
  • the refrigerator may include one or more storage compartments.
  • each storage compartment may have a different purpose and may be maintained at a different temperature.
  • each storage compartment may be separated from each other by a partition containing insulation.
  • the storage room may be arranged to be maintained at an appropriate temperature range depending on the intended use, and may include a "refrigerator", a “freezer” or a “variable temperature room” which are distinguished depending on the intended use and/or temperature range.
  • the refrigerator may be maintained at a temperature appropriate for refrigerating an item, and the freezer may be maintained at a temperature appropriate for freezing an item.
  • “Refrigeration” may mean cooling an item to a temperature that does not freeze, and for example, a refrigerator may be maintained in a range of 0 degrees Celsius to +7 degrees Celsius.
  • Freezing may mean cooling an item to freeze or maintain it in a frozen state, and for example, a freezer may be maintained in a range of -20 degrees Celsius to -1 degree Celsius.
  • the variable temperature room may be used as either a refrigerator or a freezer, at the user's option or not.
  • a storage room may also be called by various names such as “vegetable room”, “freshness room”, “cooling room”, and “ice room”.
  • the terms “refrigerator”, “freezer”, and “variable temperature room” used hereinafter should be understood to encompass storage rooms having corresponding uses and temperature ranges.
  • the refrigerator may include at least one door configured to open and close an open side of a storage compartment.
  • the door may be configured to open and close each of one or more storage compartments, or one door may be configured to open and close a plurality of storage compartments.
  • the door may be installed on the front of the main body in a manner that it can rotate or slide.
  • the "door” may be configured to seal the storage compartment when the door is closed.
  • the door may include insulation, similar to the body, to insulate the storage compartment when the door is closed.
  • the door may include a door outer panel forming a front side of the door, a door inner panel forming a rear side of the door and facing the storage compartment, an upper cap, a lower cap, and door insulation provided inside these.
  • the door inner panel may be provided with a gasket that seals the storage compartment by being pressed against the front of the body when the door is closed.
  • the door inner panel may include a dyke that projects rearwardly to accommodate a door basket for storing items.
  • the door may include a door body and a front panel detachably coupled to a front side of the door body and forming a front surface of the door.
  • the door body may include a door outer panel forming a front surface of the door body, a door inner panel forming a rear surface of the door body and facing a storage compartment, an upper cap, a lower cap, and door insulation provided inside these.
  • refrigerators can be classified into French Door Type, Side-by-side Type, BMF (Bottom Mounted Freezer), TMF (Top Mounted Freezer), or 1-door refrigerator.
  • the refrigerator may include a cold air supply device configured to supply cold air to the storage compartment.
  • a "cold air supply device” may include a system of machines, devices, electronic devices and/or combinations thereof capable of generating cold air and conducting the cold air to cool a storage room.
  • the cold air supply device can generate cold air through a refrigeration cycle including compression, condensation, expansion, and evaporation processes of a refrigerant.
  • the cold air supply device can include a refrigeration cycle device having a compressor, a condenser, an expansion device, and an evaporator capable of driving the refrigeration cycle.
  • the cold air supply device can include a semiconductor such as a thermoelectric element. The thermoelectric element can cool a storage room by heat generation and cooling through the Peltier effect.
  • the refrigerator may include a machine room in which at least some components belonging to the cold air supply device are arranged.
  • the "machine room” may be provided with a storage room and partitioned and insulated to prevent heat generated from components placed in the machine room from being transferred to the storage room.
  • the interior of the machine room may be configured to be in communication with the exterior of the main body to dissipate heat from components placed inside the machine room.
  • the refrigerator may include a dispenser provided in the door to provide water and/or ice.
  • the dispenser may be provided in the door so as to be accessible to a user without opening the door.
  • a refrigerator may include an ice making device configured to produce ice.
  • the ice making device may include an ice making tray that stores water, an ice separating device that separates ice from the ice making tray, and an ice bucket that stores ice produced in the ice making tray.
  • the refrigerator may include a control unit for controlling the refrigerator.
  • the "control unit” may include a memory that stores or memorizes a program and/or data for controlling the refrigerator, and a processor that outputs a control signal for controlling a cold air supply device, etc. according to the program and/or data stored in the memory.
  • the memory stores or records various information, data, commands, programs, etc. required for the operation of the refrigerator.
  • the memory can store temporary data generated during the process of generating control signals for controlling components included in the refrigerator.
  • the memory can include at least one of volatile memory and nonvolatile memory, or a combination of both.
  • the processor controls the overall operation of the refrigerator.
  • the processor can control components of the refrigerator by executing a program stored in the memory.
  • the processor may include a separate NPU that performs the operation of the artificial intelligence model.
  • the processor may also include a central processing unit, a graphics processor (GPU), etc.
  • the processor may generate a control signal for controlling the operation of the cold air supply unit.
  • the processor may receive temperature information of the storage compartment from a temperature sensor and generate a cooling control signal for controlling the operation of the cold air supply unit based on the temperature information of the storage compartment.
  • the processor can process user input of the user interface and control operation of the user interface according to the program and/or data stored/stored in the memory.
  • the user interface can be provided using an input interface and an output interface.
  • the processor can receive user input from the user interface.
  • the processor can transmit a display control signal and image data to the user interface for displaying an image on the user interface in response to the user input.
  • the processor and memory may be provided integrally or separately.
  • the processor may include one or more processors.
  • the processor may include a main processor and at least one subprocessor.
  • the memory may include one or more memories.
  • the refrigerator may include a processor and a memory that control all of the components included in the refrigerator, and may include a plurality of processors and a plurality of memories that individually control the components of the refrigerator.
  • the refrigerator may include a processor and a memory that control the operation of a cold air supply device according to the output of a temperature sensor.
  • the refrigerator may separately include a processor and a memory that control the operation of a user interface according to a user input.
  • the communication module can communicate with external devices such as servers, mobile devices, and other home appliances through a surrounding access point (AP).
  • the access point (AP) can connect a local area network (LAN) to which a refrigerator or user device is connected to a wide area network (WAN) to which a server is connected.
  • the refrigerator or user device can be connected to the server through the wide area network (WAN).
  • LAN local area network
  • WAN wide area network
  • the input interface may include keys, a touchscreen, a microphone, etc.
  • the input interface may receive user input and transmit it to the processor.
  • the output interface may include a display, a speaker, etc.
  • the output interface may output various notifications, messages, information, etc. generated by the processor.
  • front/rear direction “left/right direction,” “upper side,” and “lower side” used in the description below are defined based on the drawing, and the shape and position of each component are not limited by these terms.
  • the X direction can be defined as the forward and backward direction.
  • the Y direction can be defined as the sideways direction.
  • the Z direction can be defined as the up and down direction.
  • the +X direction can be defined as the forward direction and the -X direction as the back direction.
  • the +Y direction can be defined as the right direction and the -Y direction as the left direction.
  • the +Z direction can be defined as the up direction and the -Z direction as the down direction.
  • FIG. 1 is a perspective view illustrating a refrigerator according to one embodiment.
  • FIG. 2 is a perspective view illustrating a state in which the doors of the refrigerator are opened according to one embodiment.
  • FIG. 3 is a view of the upper part of a storage compartment of the refrigerator according to one embodiment as viewed from below.
  • FIG. 4 is a schematic side cross-sectional view of the refrigerator according to one embodiment.
  • FIG. 5 is a cross-sectional view along the line A-A' shown in FIG. 2.
  • a refrigerator (1) may include a main body (100), a plurality of storage chambers (11, 12, 13) provided inside the main body (100), and a plurality of doors (21, 22, 23, 24) provided to open and close the plurality of storage chambers (11, 12, 13).
  • the main body (100) may include an upper wall (110), a lower wall (120), a left wall (130), a right wall (140), and a rear wall (150).
  • the upper wall (110), the lower wall (120), the left wall (130), the right wall (140), and the rear wall (150) may form an upper surface (+Z direction), a lower surface (-Z direction), a left surface (-Y direction), a right surface (+Y direction), and a rear wall (-X direction) of the main body (100), respectively.
  • Each of the plurality of storage rooms (11, 12, 13) can accommodate items.
  • Each of the plurality of storage rooms (11, 12, 13) can be formed with a front side open so that items can be put in or taken out.
  • the plurality of storage rooms (11, 12, 13) may include a first storage room (11), a second storage room (12), and a third storage room (13).
  • the first storage room (11) may be provided at an upper portion of the main body (100), and the second storage room (12) and the third storage room (13) may be provided at a lower portion of the main body (100).
  • the first storage room (11) may be a refrigerator, the second storage room (12) may be a freezer, and the third storage room (13) may be a variable temperature room.
  • the main body (100) may include a horizontal partition (160) dividing the first storage room (11) from the second storage room (12) and the third storage room (13), and a vertical partition (161) dividing the second storage room (12) from the third storage room (13).
  • Each of the plurality of doors (21, 22, 23, 24) may be arranged to open and close each of the plurality of storage rooms (11, 12, 13).
  • Each of the plurality of doors (21, 22, 23, 24) can be rotatably coupled to the main body (100). Specifically, each of the plurality of doors (21, 22, 23, 24) can be rotatably coupled to the main body (100) by a hinge.
  • first door (21) and the second door (22) may be rotatably connected to the main body (100) by a hinge (31) provided on the upper portion of the main body (100) and a hinge (not shown) provided in the middle of the main body (100), respectively.
  • the hinge (31) may be covered by a top cover (200) provided to cover the upper front portion of the main body (100).
  • the refrigerator (1) may include a rotating bar (40).
  • the rotating bar (40) may be provided to cover a gap formed between the first door (21) and the second door (22) when the first door (21) and the second door (22) are closed.
  • the rotating bar (40) may have a bar shape that is formed long in the up-down direction (Z-axis direction).
  • the rotating bar (40) may also be referred to as a pillar, a mullion, or the like.
  • the rotating bar (40) may be provided rotatably on either the first door (21) or the second door (22). In the drawing, the rotating bar (40) is shown as being provided rotatably on the first door (21), but the rotating bar (40) may also be provided rotatably on the second door (22).
  • the rotating bar (40) may include a guide protrusion (41) provided at the top of the rotating bar (40).
  • a rotating guide (42) that guides the rotation of the guide protrusion (41) may be provided at the top of the main body (100).
  • Each of the plurality of doors (21, 22, 23, 24) may include a gasket (51).
  • the gasket (51) may be in close contact with the front surface of the main body (100) when each of the plurality of doors (21, 22, 23, 24) is closed.
  • Each of the plurality of doors (21, 22, 23, 24) may include a dyke (52) protruding rearwardly.
  • the dyke (52) may be equipped with a door shelf (53) capable of storing items.
  • a rotating bar (40) may be rotatably installed on the dyke (52).
  • the refrigerator (1) may include a thermoelectric cooling device (300) configured to cool the first storage compartment (11).
  • thermoelectric cooling device (300) may be provided on the upper side of the first storage room (11) to cool the first storage room (11). That is, the thermoelectric cooling device (300) may be provided on the upper wall (110) of the main body (100).
  • the thermoelectric cooling device (300) may include a thermoelectric element (410).
  • the thermoelectric element (410) may be a semiconductor element that converts thermal energy into electrical energy using the thermoelectric effect, and may also be referred to as a thermoelectric semiconductor element, a Peltier element, etc.
  • the thermoelectric element (410) may have a thin hexahedral shape.
  • the thermoelectric element (410) may include a heating part (411) and a heat absorbing part (412). When current is applied to the thermoelectric element (410), a heating action may occur in the heating part (411) and a heat absorbing action may occur in the heat absorbing part (412).
  • the heating part (411) may be provided on one side of the thermoelectric element (410) and the heat absorbing part (412) may be provided on the opposite side.
  • the thermoelectric element (410) may be provided on the upper wall (110).
  • the thermoelectric element (410) may be provided such that the heating part (411) faces above the thermoelectric element (410) and the heat absorption part (412) faces below the thermoelectric element (410).
  • the heating part (411) may be provided on the upper surface of the thermoelectric element (410), and the heat absorption part (412) may be provided on the lower surface of the thermoelectric element (410).
  • the heating part (411) may face the outside of the main body (100), and the heat absorption part (412) may face the inside of the first storage chamber (11). Accordingly, air that has been warmed by heat exchange with the heating part (411) may be discharged to the outside of the main body (100), and air that has been cooled by heat exchange with the heat absorption part (412) may be supplied to the first storage chamber (11).
  • the thermoelectric cooling device (300) may include a heat sink (420) that contacts the heat generating unit (411) so that heat exchange between the heat generating unit (411) and the air outside the main body (100) is efficiently performed.
  • the heat sink (420) may be provided on the upper side of the thermoelectric element (410) so as to contact the heat generating unit (411).
  • a heat sink (420) may be provided on the outside of the main body (100).
  • the heat sink (420) may contact the heating part (411) to absorb heat from the heating part (411) and release heat to the outside of the main body (100).
  • the heat sink (420) may also be referred to as a hot sink, a heat dissipation heat sink, a hot heat sink, etc.
  • the heat sink (420) may be formed of a metal material having good thermal conductivity.
  • the heat sink (420) may be formed of aluminum or copper.
  • the heat sink (420) may include a heat sink base (421) that contacts the heat generating portion (411) and a plurality of heat dissipation fins (422) that protrude from the heat sink base (421) to expand the heat transfer area.
  • the plurality of heat dissipation fins (422) may protrude upward from the heat sink base (421).
  • the thermoelectric cooling device (300) may include a cooling sink (430) that contacts the heat absorbing portion (412) so that heat exchange between the heat absorbing portion (412) and the air inside the first storage chamber (11) is efficiently performed.
  • the cooling sink (430) may be provided on the lower side of the thermoelectric element (410) so as to contact the heat absorbing portion (412).
  • a cooling sink (430) may be provided inside the first storage room (11).
  • the cooling sink (430) may cool the first storage room (11) by taking away heat from the first storage room (11) and transferring it to the heat absorbing part (412).
  • the cooling sink (430) may also be referred to as a cold sink, a cooling sink, a cooling heat sink, a cold heat sink, a cooling heat sink, etc.
  • the cooling sink (430) may be formed of a metal material having good thermal conductivity.
  • the cooling sink (430) may be formed of aluminum or copper.
  • the cooling sink (430) may include a cooling sink base (431) that contacts the heat absorbing portion (412) and a plurality of cooling fins (432) that protrude from the cooling sink base (431) to expand the heat transfer area.
  • the plurality of cooling fins (432) may protrude downward from the cooling sink base (431).
  • the cooling sink base (431) and the plurality of cooling fins (432) may be formed integrally.
  • the thermoelectric cooling device (300) may include a thermoelectric element sealing portion (500) covering the outer surface of the thermoelectric element (410).
  • a heat sink (420) may be provided on the upper side of the thermoelectric element (410)
  • a cooling sink (430) may be provided on the lower side of the thermoelectric element (410)
  • the thermoelectric element sealing portion (500) may be provided on the outer surface of the thermoelectric element (410).
  • the thermoelectric element sealing portion (500) may cover the outer surface of the thermoelectric element (410) and seal between the heat sink (420) and the cooling sink (430). Through this configuration, the thermoelectric element sealing portion (500) may prevent moisture from penetrating into the thermoelectric element (410). This will be described in detail later.
  • thermoelectric cooling device (300) may include a heat dissipation fan (600) that flows air to ensure efficient heat exchange between the heat dissipation sink (420) and the air outside the main body (100).
  • a heat dissipation fan (600) that flows air to ensure efficient heat exchange between the heat dissipation sink (420) and the air outside the main body (100).
  • the heat dissipation fan (600) may be provided to suck in air from outside the main body (100) and blow the air toward the heat dissipation sink (420).
  • the heat dissipation fan (600) may be provided to be positioned in a horizontal direction of the heat dissipation sink (420).
  • the heat dissipation fan (600) may be provided on the outside of the main body (100).
  • the heat dissipation fan (600) may be provided on the upper side of the upper wall (110).
  • the heat dissipation fan (600) may be a centrifugal fan that draws in air in an axial direction and discharges it in radial directions.
  • the centrifugal fan may include a blower fan.
  • the rotation axis (610) of the heat dissipation fan (600) may be arranged vertically on the upper surface of the upper wall (110).
  • the thermoelectric cooling device (300) may include a heat dissipation duct (700) provided to guide air flowing by a heat dissipation fan (600).
  • the heat dissipation duct (700) may guide air from outside the main body (100) to be sucked in and heat-exchanged with the heat dissipation sink (420), and may discharge the air that has exchanged heat with the heat dissipation sink (420) back to the outside of the main body (100).
  • the heat dissipation duct (700) can draw air from the external space on the upper side of the main body (100).
  • the heat dissipation duct (700) can discharge air that has exchanged heat with the heat dissipation sink (420) to the external space on the upper side of the main body (100).
  • the heat dissipation fan (600) can be located inside the heat dissipation duct (700).
  • the heat dissipation sink (420) can be located inside the heat dissipation duct (700).
  • the heat dissipation duct (700) can be provided on the upper surface of the upper wall (110).
  • the heat dissipation duct (700) may include an outside air intake port (710) that draws air outside the main body (100) into the inside of the heat dissipation duct (700), and an outside air discharge port (720) that discharges air that has exchanged heat with the heat dissipation sink (420) to the outside of the main body (100).
  • thermoelectric cooling device (300) may include a cooling fan (800) that circulates air to ensure efficient heat exchange between the cooling sink (430) and the air inside the first storage chamber (11).
  • a cooling fan (800) that circulates air to ensure efficient heat exchange between the cooling sink (430) and the air inside the first storage chamber (11).
  • the cooling fan (800) may be arranged to suck in air within the first storage chamber (11) and blow the air toward the cooling sink (430).
  • the cooling fan (800) may be positioned in the horizontal direction of the cooling sink (430).
  • the cooling fan (800) may be arranged inside the first storage chamber (11).
  • the cooling fan (800) may be arranged on the lower side of the upper wall (110).
  • the cooling fan (800) may be a centrifugal fan that sucks in air in an axial direction and discharges it in radial directions.
  • the rotation axis (810) of the cooling fan (800) may be arranged perpendicular to the bottom surface of the upper wall (110).
  • the thermoelectric cooling device (300) may include a cooling duct (900) provided to guide air flowing by a cooling fan (800).
  • the cooling duct (900) may guide air inside the first storage room (11) to exchange heat with the cooling sink (430), and may discharge the air that has exchanged heat with the cooling sink (430) back into the first storage room (11).
  • the cooling duct (900) may be located on the upper side of the first storage chamber (11). Specifically, the cooling duct (900) may be provided on the lower surface of the upper wall (110).
  • the lower protrusions (532) may be provided in multiple numbers.
  • the multiple lower protrusions (532) may be arranged spaced apart from each other. In the drawing, only two lower protrusions (532) are illustrated, but the number of lower protrusions (532) is not limited thereto.
  • the lower sealing portion (530) may include a first wire insertion groove (533a) into which the lower portion of the first wire (4131) is inserted.
  • the first wire insertion groove (533a) may be formed by being sunken into the upper surface of the lower sealing body (531).
  • the cross section of the first wire insertion groove (533a) may be approximately a semicircle.
  • the first wire insertion groove (533a) may form a first wire insertion hole (521a) together with the third wire insertion groove (543a).
  • the first protrusion (534a) may be provided in multiple pieces. Each of the multiple first protrusions (534a) may be arranged to be spaced apart from each other along the direction in which the first wire insertion groove (533a) extends.
  • the lower sealing portion (530) may include a second wire insertion groove (533b) into which the lower portion of the second wire (4132) is inserted.
  • the second wire insertion groove (533b) may be formed by being sunken into the upper surface of the lower sealing body (531).
  • the cross-section of the second wire insertion groove (533b) may be approximately a semicircle.
  • the second wire insertion groove (533b) may form a second wire insertion hole (522a) together with the fourth wire insertion groove (543b).
  • the lower sealing portion (530) may include a second projection (534b) protruding from the inner surface of the second wire insertion groove (533b).
  • the lower portion of the second wire (4132) may be placed on the second projection (534b).
  • the second projection (534b) may form a second inner projection (522b) together with the fourth projection (544b).
  • the upper sealing portion (540) may be provided on the upper side of the lower sealing portion (530).
  • the upper sealing portion (540) may be supported by the heat sink (420).
  • the upper sealing portion (540) may be supported by the heat sink base (421).
  • the upper sealing portion (540) may cover the outer surface of the upper part of the thermoelectric element (410) and the upper part of the wire (413).
  • the upper sealing portion (540) may include an upper sealing body (541) that forms the overall outer shape of the upper sealing portion (540).
  • the upper sealing body (541) may include an upper element insertion hole (541a) that is formed by opening in the central portion.
  • the upper part of the thermoelectric element (410) can be inserted into the upper element insertion hole (541a).
  • the upper sealing body (541) can cover the outer surface of the upper part of the thermoelectric element (410).
  • the upper sealing portion (540) may include an upper projection (542) that protrudes upward from the upper surface of the upper sealing body (541).
  • the upper projection (542) may be formed along the edge of the upper element insertion hole (541a).
  • the upper projection (542) may be provided to seal between the heat sink (420) and the upper sealing body (541).
  • the upper protrusion (542) may have one end in contact with the heat sink base (421).
  • the vertical length of the upper protrusion (542) may be narrower than the width between the upper surface of the upper sealing body (541) and the heat sink base (421), and thus the upper protrusion (542) may be compressed between the upper sealing body (541) and the heat sink base (421). Through this configuration, the upper protrusion (542) may seal between the heat sink (420) and the upper sealing body (541).
  • the upper protrusions (542) may be provided in multiple numbers.
  • the multiple upper protrusions (542) may be arranged spaced apart from each other. In the drawing, only two upper protrusions (542) are illustrated, but the number of upper protrusions (542) is not limited thereto.
  • the upper sealing portion (540) may include a third projection (544a) protruding from the inner surface of the third wire insertion groove (543a).
  • the lower portion of the first wire (4131) may be placed on the third projection (544a).
  • the third projection (544a) may form a first inner projection (522a) together with the first projection (534a).
  • the third protrusion (544a) may be provided in multiple pieces. Each of the plurality of third protrusions (544a) may be arranged to be spaced apart from each other along the direction in which the third wire insertion groove (543a) extends. Each of the plurality of third protrusions (544a) may be arranged at a position corresponding to the position of each of the plurality of first protrusions (534a).
  • the upper sealing portion (540) may include a fourth wire insertion groove (543b) into which the upper portion of the second wire (4132) is inserted.
  • the fourth wire insertion groove (543b) may be formed by being sunken into the lower surface of the upper sealing body (541).
  • the cross-section of the fourth wire insertion groove (543b) may be approximately a semicircle.
  • the fourth wire insertion groove (543b) may form a second wire insertion hole (522a) together with the second wire insertion groove (533b).
  • the upper sealing portion (540) may include a fourth projection (544b) protruding from the inner surface of the fourth wire insertion groove (543b).
  • the lower portion of the second wire (4132) may be placed on the fourth projection (544b).
  • the fourth projection (544b) may form a second inner projection (522b) together with the second projection (534b).
  • the fourth protrusion (544b) may be provided in multiple pieces. Each of the plurality of fourth protrusions (544b) may be arranged to be spaced apart from each other along the direction in which the fourth wire insertion groove (543b) extends. Each of the plurality of fourth protrusions (544b) may be arranged at a position corresponding to the position of each of the plurality of second protrusions (534b).
  • the lower sealing portion (530) and the upper sealing portion (540) may be detachably coupled to each other.
  • the lower sealing portion (530) may include a sealing body coupling portion (535) formed by being sunken into the upper surface of the lower sealing body (531).
  • the upper sealing portion (540) may include a coupling protrusion (545) protruding downward from the lower surface of the upper sealing body (541). The coupling protrusion (545) of the upper sealing portion (540) may be inserted into the sealing body coupling portion (535) of the lower sealing portion (530), and thus the upper sealing portion (540) may be coupled with the lower sealing portion (530).
  • the lower sealing portion (530) may include a lower sealing body (531) that covers the outer surface of the lower portion of the thermoelectric element (410) and a sealing body joining portion (535) that is formed by being sunken into the upper surface of the lower sealing body (531).
  • the upper sealing portion (540) may include an upper sealing body (541) that covers the outer surface of the upper portion of the thermoelectric element (410) and a joining protrusion (545) that protrudes downward from the lower surface of the upper sealing body (541), and may include a joining protrusion (545) that is inserted into the sealing body joining portion so that the upper sealing portion (540) is joined to the lower sealing portion (530).
  • the plate portion (440) may further include a plate portion (440) positioned between the heat sink (420) and the cooling sink (430).
  • the plate portion (440) may include a base plate (441) provided to support the heat sink (420) and a plate opening (442) provided in the center of the base plate (441).
  • the lower sealing portion (530) may be fixed inside the plate opening (442).
  • the above base plate (441) may be a first base plate (441).
  • the plate portion (440) may be provided with a step from the first base plate (441), and may further include a second base plate (444) provided on one side of the plate opening (442), and a wire fixing portion (447a, 447b) provided on the second base plate (444) and provided to fix the wires (4131, 4132).
  • the above plate portion (440) may include a fixing portion (445a, 445b) provided to allow the wire cover portion (521, 522) to be fixed thereon, and a rib (446) protruding upward from the second base plate (444) to form the fixing portion (445a, 445b).
  • the wire fixing portion (447a, 447b) may be connected to the rib (446).
  • the above wire cover part (520) may include a lower wire cover (5201) that covers the lower portion of the wire (4131, 4132) and an upper wire cover (5202) that covers the upper portion of the wire (4131, 4132) and is detachably connected to the lower wire cover (5201).
  • thermoelectric element sealing portion (502) may include a cut portion (502a) formed by cutting a surface on which the wire cover portion (520) is provided, and into which the thermoelectric element (410) is inserted.
  • a refrigerator (1) includes a main body (100), a thermoelectric element (410) including a heating part (411) provided on an upper surface and a heat absorbing part (412) provided on a lower surface, wires (4131, 4132) connected to the thermoelectric element (410) to supply power to the thermoelectric element (410), a heat sink (420) provided on an upper side of the thermoelectric element (410) to contact the heating part (411), a cooling sink (430) provided on a lower side of the thermoelectric element (410) to contact the heat absorbing part (412), and a thermoelectric element sealing part (500) covering an outer surface of the thermoelectric element (410) to prevent moisture from penetrating into the thermoelectric element (410).
  • a thermoelectric element (410) including a heating part (411) provided on an upper surface and a heat absorbing part (412) provided on a lower surface, wires (4131, 4132) connected to the thermoelectric element (410) to supply power to the thermoelectric element (410), a heat sink (420) provided on an upper side of the thermoelectric element (4
  • thermoelectric element sealing part (500) includes a lower sealing part (530) that covers the outer surface of the lower portion of the thermoelectric element (410) and the lower portion of the wire (4131, 4132), and an upper sealing part (540) that covers the upper surface of the upper portion of the thermoelectric element (410) and the upper portion of the wire (4131, 4132) and is detachably connected to the lower sealing part (530).
  • the lower sealing portion (530) may include a lower sealing body (531) that covers the outer surface of the lower portion of the thermoelectric element (410) and a first wire insertion groove (533a, 533b) that is sunken into the upper surface of the lower sealing body (531) so that the lower portion of the wire (4131, 4132) may be inserted.
  • the upper sealing portion (540) may include an upper sealing body (541) that covers the outer surface of the upper portion of the thermoelectric element (410) and a second wire insertion groove (543a, 543b) that is sunken into the lower surface of the upper sealing body (541) so that the upper portion of the wire (4131, 4132) may be inserted.
  • the lower sealing portion (530) may include a lower protrusion (532) that protrudes downwardly from the lower surface of the lower sealing body (531) and is provided to seal between the cooling sink (430) and the lower sealing body (531).
  • the upper sealing portion (540) may include an upper protrusion (542) that protrudes upwardly from the upper surface of the upper sealing body (541) and is provided to seal between the heat dissipation sink (420) and the upper sealing body (541).
  • thermoelectric element sealing portion since conformal coating is not required for manufacturing a thermoelectric element sealing portion of a refrigerator, damage to the thermoelectric element sealing portion due to volume change of the coating can be prevented, and the entire assembly process can be accelerated since the process of curing the coating is omitted. In other words, the durability and assembling ability of the thermoelectric element sealing portion can be further improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

Ce réfrigérateur comprend : un corps principal ; un élément thermoélectrique comprenant une unité de génération de chaleur et une unité d'absorption de chaleur, et disposé sur la paroi supérieure du corps principal de telle sorte que l'unité de génération de chaleur fasse face vers le haut à partir de l'élément thermoélectrique et l'unité d'absorption de chaleur fasse face vers le bas à partir de l'élément thermoélectrique ; un dissipateur de rayonnement de chaleur disposé sur le côté supérieur de l'élément thermoélectrique de façon à être en contact avec l'unité de génération de chaleur ; un dissipateur de refroidissement disposé sur le côté inférieur de l'élément thermoélectrique de façon à être en contact avec l'unité d'absorption de chaleur ; et une unité d'étanchéité d'élément thermoélectrique qui recouvre la surface extérieure de l'élément thermoélectrique et fournit un joint d'étanchéité entre le dissipateur de rayonnement de chaleur et le dissipateur de refroidissement. L'unité d'étanchéité d'élément thermoélectrique comprend une partie couvercle de fil qui recouvre un fil connecté à l'élément thermoélectrique.
PCT/KR2024/017716 2024-01-05 2024-11-11 Réfrigérateur Pending WO2025146928A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2024-0002503 2024-01-05
KR20240002503 2024-01-05
KR10-2024-0048347 2024-04-09
KR1020240048347A KR20250107680A (ko) 2024-01-05 2024-04-09 냉장고

Publications (1)

Publication Number Publication Date
WO2025146928A1 true WO2025146928A1 (fr) 2025-07-10

Family

ID=96300490

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2024/017716 Pending WO2025146928A1 (fr) 2024-01-05 2024-11-11 Réfrigérateur

Country Status (1)

Country Link
WO (1) WO2025146928A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030076859A (ko) * 2002-03-23 2003-09-29 조해광 반도체 열전소자를 이용한 제품의 냉각장치 구조
KR20140055027A (ko) * 2012-10-30 2014-05-09 코웨이 주식회사 냉수탱크
JP2017079219A (ja) * 2015-10-19 2017-04-27 船井電機株式会社 熱電素子ユニット、光学装置
KR20180105573A (ko) * 2017-03-15 2018-09-28 엘지전자 주식회사 냉장고
KR102210735B1 (ko) * 2020-05-16 2021-02-02 주식회사 티엠아이 열전소자 어셈블리

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030076859A (ko) * 2002-03-23 2003-09-29 조해광 반도체 열전소자를 이용한 제품의 냉각장치 구조
KR20140055027A (ko) * 2012-10-30 2014-05-09 코웨이 주식회사 냉수탱크
JP2017079219A (ja) * 2015-10-19 2017-04-27 船井電機株式会社 熱電素子ユニット、光学装置
KR20180105573A (ko) * 2017-03-15 2018-09-28 엘지전자 주식회사 냉장고
KR102210735B1 (ko) * 2020-05-16 2021-02-02 주식회사 티엠아이 열전소자 어셈블리

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