CN106784569B - Power supply device and power supply system convenient to maintain - Google Patents
Power supply device and power supply system convenient to maintain Download PDFInfo
- Publication number
- CN106784569B CN106784569B CN201710036317.4A CN201710036317A CN106784569B CN 106784569 B CN106784569 B CN 106784569B CN 201710036317 A CN201710036317 A CN 201710036317A CN 106784569 B CN106784569 B CN 106784569B
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- battery
- power supply
- sub
- module
- battery sub
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 64
- 239000002184 metal Substances 0.000 claims abstract description 64
- 238000012423 maintenance Methods 0.000 claims abstract description 28
- 230000002159 abnormal effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052759 nickel Inorganic materials 0.000 description 4
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention provides a power supply device and a power supply system which are convenient to maintain. The power supply device convenient for maintenance includes: a plurality of metal connectors, current collectors and battery sub-modules. The battery sub-modules are arranged in series. Each battery sub-assembly comprises a plurality of single batteries which are arranged in parallel. Each current collector electrically connects the battery lugs of the unit batteries in the adjacent battery sub-modules. Each metal connecting piece is used for electrically connecting each current collecting piece connected with the battery lug of the single battery in the battery sub-module. Therefore, when a certain single battery is abnormal and needs to be replaced and maintained, only the metal connecting pieces on two sides of the single battery are needed to be cut off, the abnormal single battery and the corresponding current collecting pieces are independently detached and replaced, the use of other single batteries cannot be interfered, other single batteries and the current collecting pieces can not be damaged in the maintenance process, the service life of the battery sub-module is prolonged, and the use and maintenance cost is reduced.
Description
Technical Field
The invention relates to the technical field of power supply, in particular to a power supply device and a power supply system convenient to maintain.
Background
The battery sub-module is increasingly applied to various types of automobiles such as pure power or hybrid power due to the characteristics of high safety performance, light weight, small internal resistance and the like. The battery sub-module comprises a plurality of single batteries, the battery sub-module can be disassembled and assembled at will, and the single batteries are electrically connected through the current collecting plate.
In the prior art, the current collecting plate that battery sub-module adopted is the integral type whole plate structure, and the battery among the battery sub-module is directly connected with this current collecting plate electricity through the utmost point ear, when certain battery in the battery sub-module takes place unusual when needing to change the maintenance, because the integral type structure of current collecting plate will lead to unable maintenance or need dismantle a plurality of battery and current collecting plate simultaneously when the maintenance. When the battery is disassembled, the battery electrode lugs can be damaged, a plurality of disassembled batteries can not be used any more, and if the current collecting plate is disassembled, the current collecting plate can be damaged and cannot be used continuously.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a power supply device and a power supply system which are convenient to maintain, and when a certain single battery is abnormal and needs to be replaced and maintained, only the abnormal single battery and a corresponding current collector are required to be disassembled, so that the use of other single batteries is not interfered; and the plurality of single batteries are connected in parallel through the metal connecting piece, so that electric quantity balance can be realized among the plurality of single batteries which are connected in parallel.
In order to achieve the above object, the technical solution adopted in the preferred embodiment of the present invention is as follows:
the preferred embodiment of the present invention provides a power supply device for facilitating maintenance, comprising: a plurality of metal connectors, current collectors, and battery sub-modules;
the battery sub-modules are mutually arranged in series;
each battery sub-module comprises a plurality of single batteries which are arranged in parallel, and each single battery comprises a battery tab;
each current collector electrically connects battery lugs of the single batteries in the adjacent battery sub-modules;
each metal connecting piece is used for electrically connecting each current collecting piece connected with the battery lug of the single battery in the battery sub-module.
In a preferred embodiment of the present invention, two ends of the current collector are respectively provided with a metal contact piece electrically connected with the battery tab of the unit battery in the adjacent battery sub-module, and the metal contact piece is welded with the battery tab of the unit battery.
In a preferred embodiment of the present invention, the metal connection member has a sheet structure, and the metal connection member includes a plurality of fixed contact pieces for contacting the current collecting member, and a connection portion for connecting adjacent fixed contact pieces, and the connection portion is located between adjacent current collecting members.
In a preferred embodiment of the present invention, the connection portion of the metal connection member is an arch structure.
In a preferred embodiment of the present invention, the metal connector is welded to the current collector by the fixed contact piece.
In a preferred embodiment of the present invention, the battery tab includes a positive tab and a negative tab;
one end of the current collector is electrically connected with the positive electrode lug of the single battery in the battery sub-module;
the other end of the current collector is electrically connected with the negative electrode lug of the single battery in the other battery sub-module adjacent to the battery sub-module.
The preferred embodiment of the invention also provides a power supply system, which comprises a power supply device and electric equipment, wherein the power supply device is convenient to maintain;
the power supply device convenient to maintain comprises a current collecting assembly, a plurality of metal connectors, a current collecting piece and a battery sub-module;
the battery sub-modules are mutually arranged in series;
each battery sub-module comprises a plurality of single batteries which are arranged in parallel, and each single battery comprises a battery tab;
each current collector electrically connects battery lugs of the single batteries in the adjacent battery sub-modules;
each metal connecting piece is used for electrically connecting each current collecting piece connected with the battery lug of the single battery in the battery sub-module;
the current collecting assembly is electrically connected with the current collecting pieces on the battery sub-modules positioned at two ends of the power supply device convenient to maintain;
the current collecting assembly is electrically connected with the electric equipment and provides electric energy for the electric equipment.
In a preferred embodiment of the present invention, two ends of the current collector are respectively provided with a metal contact piece electrically connected with the battery tab of the unit battery in the adjacent battery sub-module, and the metal contact piece is welded with the battery tab of the unit battery.
In a preferred embodiment of the present invention, the metal connection member has a sheet structure, and the metal connection member includes a plurality of fixed contact pieces for contacting with the current collecting member, and a connection portion for connecting adjacent fixed contact pieces, and the connection portion is located between adjacent current collecting members when the metal connection member is electrically connected with the current collecting member.
In a preferred embodiment of the present invention, the battery tab includes a positive tab and a negative tab;
one end of the current collector is electrically connected with the positive electrode lug of the single battery in the battery sub-module;
the other end of the current collector is electrically connected with the negative electrode lug of the single battery in the other battery sub-module adjacent to the battery sub-module.
Compared with the prior art, the power supply device and the power supply system convenient to maintain have the following beneficial effects:
the power supply device convenient for maintenance comprises: a plurality of metal connectors, current collectors and battery sub-modules. The battery sub-modules are arranged in series. Each battery sub-assembly comprises a plurality of single batteries which are arranged in parallel. Each current collector electrically connects the battery lugs of the unit batteries in the adjacent battery sub-modules. Each metal connecting piece is used for electrically connecting each current collecting piece connected with the battery lug of the single battery in the battery sub-module. When a certain single battery is abnormal and needs to be replaced and maintained, the metal connectors on two sides of the single battery are cut off, the abnormal single battery and the corresponding current collector are detached and replaced independently, and the replaced current collector, the single battery and the metal connectors are welded again, so that the single battery can be used continuously. Therefore, the use of other single batteries is not interfered, so that the other single batteries and the current collector can not be damaged in the maintenance process, the service life of the battery sub-module is prolonged, and the use and maintenance cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a power supply device according to a first view angle of a preferred embodiment of the present invention.
Fig. 2 is a schematic structural view of a metal connector according to a preferred embodiment of the present invention.
Fig. 3 is a schematic structural view of a current collector according to a preferred embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a plurality of battery sub-modules according to a preferred embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a single battery according to a preferred embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a second view of the power supply device according to the preferred embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a first fixing frame according to a preferred embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a second fixing frame according to a preferred embodiment of the present invention.
Fig. 9 is a schematic structural diagram of another power supply device with convenient maintenance according to the preferred embodiment of the present invention.
Icon: 100-a power supply device convenient to maintain; 110-metal connectors; 112-fixing the contact piece; 114-a connection; 120-collector; 122-metal contact pads; 1220-negative contact pad; 1222-positive contact patch; 1224-connecting pieces; 130-a battery sub-module; 132—single cell; 134-battery tabs; 1340-positive tab; 1342-negative ear; 140-collector assembly; 150-a first fixing frame; 160-a second fixing frame.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a power supply device 100 with a first view angle for easy maintenance according to a preferred embodiment of the invention. The power supply device 100 for facilitating maintenance includes: a plurality of metal connectors 110, current collector 120, and battery sub-modules 130.
In this embodiment, the plurality of battery sub-modules 130 are arranged in series. Each battery sub-assembly 130 includes a plurality of unit batteries 132 arranged in parallel, and the unit batteries 132 include battery tabs 134. Each current collector 120 electrically connects the battery tabs 134 of the unit batteries 132 in the adjacent battery sub-assemblies 130. Each metal connector 110 electrically connects each current collector 120 of the battery sub-assembly 130 to a battery tab 134 of a battery cell 132.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a metal connector 110 according to a preferred embodiment of the invention. The metal connecting piece 110 is an elongated sheet structure, and the metal connecting piece 110 includes a plurality of fixed contact pieces 112 and a connecting portion 114.
In this embodiment, the metal connector 110 is used to connect the unit cells 132 in each group of the battery sub-modules 130 in parallel. The metal connector 110 may be made of materials including, but not limited to, 1060 aluminum plate tape (AL 1060), pure nickel tape, and aluminum nickel composite tape. The 1060 aluminum plate has the aluminum content up to 99.6%, which is also called as pure aluminum plate, and the series of aluminum plates has the advantages that: the production process is single, the technology is mature, the price is cheaper than other high-grade alloy aluminum plates, and the alloy aluminum plate has good elongation and tensile strength. The nickel content of the pure nickel strip is more than 99.5%, and the pure nickel has excellent mechanical properties, has higher corrosion resistance in various different environments, and also has the characteristics of magnetostriction, magnetism, high heat transfer property, high conductivity, low gas content, low vapor pressure and the like. The aluminum-nickel composite belt combines the advantages of the aluminum-nickel composite belt and has better performance.
In this embodiment, the fixed contact 112 is used for electrically contacting the current collector 120, the metal connector 110 is welded to the current collector 120 through the fixed contact 112, and the metal connector 110 is welded to the current collector 120.
In this embodiment, the connection portion 114 has an arch structure and is located in a gap between two adjacent current collecting members 120. The connection portion 114 is used for connecting adjacent fixed contact pieces 112. When the single battery 132 is damaged and needs to be replaced and maintained, the connection parts 114 on two sides of the single battery 132 can be cut off, a new single battery 132 and the current collector 120 connected with the single battery 132 can be replaced, and the connection parts 114 and the fixed contact pieces 112 can be re-welded after replacement. Therefore, the use of other single batteries 132 is not interfered, so that the other single batteries 132 and the current collector 120 are not damaged in the maintenance process, the service life of the battery sub-module 130 is prolonged, and the use and maintenance costs are reduced.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a current collector 120 according to a preferred embodiment of the invention. The two ends of the current collector 120 are respectively provided with a metal contact piece 122 electrically connected with the battery tab 134 of the unit battery 132 in the adjacent battery sub-module 130, and the metal contact piece 122 includes a positive contact piece 1222 and a negative contact piece 1220. The metal contact piece 122 is welded with the battery tab 134 of the unit battery 132.
Referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of a plurality of battery sub-modules 130 according to a preferred embodiment of the present invention, and fig. 5 is a schematic structural diagram of a single battery 132 according to a preferred embodiment of the present invention. Each battery sub-assembly 130 includes a plurality of battery cells 132. The number of the plurality of unit batteries 132 is not limited, and a suitable number of unit batteries 132 can be selected for grouping according to practical application requirements. The battery tab 134 of each unit cell 132 includes a positive tab 1340 and a negative tab 1342.
Referring to fig. 3, 4 and 5 again, in the present embodiment, one end of the positive contact 1222 of the current collector 120 is electrically connected to the positive tab 1340 of the battery 132 in the battery sub-module 130. One end of the negative contact 1220 of the current collector 120 is electrically connected to the negative tab 1342 of the unit cell 132 in the other battery sub-module 130 adjacent to the one battery sub-module 130. Thereby, a plurality of the battery sub-modules 130 are connected in series through the current collector 120.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a second view of a power supply device 100 with easy maintenance according to a preferred embodiment of the invention. In this embodiment, the power supply device 100 for easy maintenance further includes a first fixing frame 150 and a second fixing frame 160. The first fixing frame 150 and the second fixing frame 160 are used for fixing the single battery 132.
Referring to fig. 7 and 8, fig. 7 is a schematic structural diagram of a first fixing frame 150 according to a preferred embodiment of the present invention, and fig. 8 is a schematic structural diagram of a second fixing frame 160 according to a preferred embodiment of the present invention. The first fixing frame 150 and the second fixing frame 160 are respectively provided with a receiving groove for placing the single battery 132, and the first fixing frame 150 and the second fixing frame 160 are mutually matched and connected to form a fixing frame for packaging the single battery 132.
The embodiment also provides a power supply system. The power supply system comprises a power supply device 100, a current collecting assembly 140 and electric equipment, wherein the power supply device is convenient to maintain.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a power supply device 100 with easy maintenance according to a preferred embodiment of the invention. The power supply device 100 for easy maintenance includes a current collecting assembly 140, a plurality of metal connectors 110, a current collecting member 120, and a battery sub-module 130.
In this embodiment, the plurality of battery sub-modules 130 are arranged in series. Each battery sub-assembly 130 includes a plurality of unit batteries 132 arranged in parallel, and the unit batteries 132 include battery tabs 134. Each current collector 120 electrically connects the battery tabs 134 of the unit batteries 132 in the adjacent battery sub-assemblies 130. Each metal connector 110 electrically connects each current collector 120 of the battery sub-assembly 130 to a battery tab 134 of a battery cell 132.
In this embodiment, the current collecting assembly 140 may be made of a conductive metal material, and the current collecting assembly 140 is electrically connected to the current collecting members 120 on the battery sub-modules 130 at both ends of the power supply device 100 for easy maintenance. The current collecting assembly 140 is electrically connected with the electric device, and provides electric energy for the electric device.
In the present embodiment, the power supply device 100 for easy maintenance has the same structure as the power supply device 100 for easy maintenance in the first embodiment except for the addition of the current collecting assembly 140.
In this embodiment, the two ends of the current collector 120 are respectively provided with a metal contact piece 122 electrically connected to the battery tab 134 of the unit battery 132 in the adjacent battery sub-module 130, and the metal contact piece 122 is welded to the battery tab 134 of the unit battery 132.
In this embodiment, the metal connection member 110 is a sheet structure, and the metal connection member 110 includes a plurality of fixed contact pieces 112 for contacting with the current collecting member 120, and connection portions 114 connected to adjacent fixed contact pieces 112, wherein the connection portions 114 are located between adjacent current collecting members 120 when the metal connection member 110 is electrically connected with the current collecting member 120.
In the present embodiment, the battery tab 134 includes a positive tab 1340 and a negative tab 1342. One end of the current collector 120 is electrically connected to the positive tab 1340 of the unit cell 132 in a battery sub-module 130. The other end of the current collector 120 is electrically connected to the negative tab 1342 of the unit cell 132 in the other battery sub-module 130 adjacent to the one battery sub-module 130.
In summary, the present invention provides a power supply device and a power supply system that are convenient for maintenance. The power supply device convenient for maintenance comprises: a plurality of metal connectors, current collectors and battery sub-modules. The battery sub-modules are arranged in series. Each battery sub-assembly comprises a plurality of single batteries which are arranged in parallel. Each current collector electrically connects the battery lugs of the unit batteries in the adjacent battery sub-modules. Each metal connecting piece is used for electrically connecting all current collecting pieces connected with battery lugs of the single batteries in the battery sub-module. When a certain single battery is abnormal and needs to be replaced and maintained, the metal connectors on two sides of the single battery are cut off, the abnormal single battery and the corresponding current collector are detached and replaced independently, and the replaced current collector, the single battery and the metal connectors are welded again, so that the single battery can be used continuously. Therefore, the use of other single batteries is not interfered, so that the other single batteries and the current collector can not be damaged in the maintenance process, the service life of the battery sub-module is prolonged, and the use and maintenance cost is reduced. Besides, the metal connecting piece connects a plurality of current collectors electrically connected with the single batteries in parallel, so that electric quantity balance among the single batteries can be realized.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A power supply apparatus for facilitating maintenance, the power supply apparatus for facilitating maintenance comprising: a plurality of metal connectors, current collectors, and battery sub-modules;
the battery sub-modules are mutually arranged in series;
each battery sub-module comprises a plurality of single batteries which are arranged in parallel, and each single battery comprises a battery tab;
each current collector electrically connects battery lugs of the single batteries in the adjacent battery sub-modules;
each metal connecting piece is used for electrically connecting each current collecting piece connected with the battery lug of the single battery in the battery sub-module;
the metal connecting piece is of a sheet-shaped structure and comprises a plurality of fixed contact pieces used for being contacted with the current collecting piece and connecting parts connected with the adjacent fixed contact pieces, and the connecting parts are positioned between the adjacent current collecting pieces;
the connecting part of the metal connecting piece is of an arch structure;
the battery tab comprises a positive tab and a negative tab;
one end of the current collector is electrically connected with the positive electrode lug of the single battery in the battery sub-module;
the other end of the current collector is electrically connected with the negative electrode lug of the single battery in the other battery sub-module adjacent to the battery sub-module.
2. The easy-to-repair power supply device according to claim 1, wherein:
and the two ends of the current collector are respectively provided with a metal contact piece electrically connected with the battery lugs of the single batteries in the adjacent battery sub-modules, and the metal contact pieces are welded with the battery lugs of the single batteries.
3. The easy-to-repair power supply device according to claim 1, wherein:
the metal connecting piece is welded with the current collector through the fixed contact piece.
4. The power supply system is characterized by comprising a power supply device and electric equipment, wherein the power supply device is convenient to maintain;
the power supply device convenient to maintain comprises a current collecting assembly, a plurality of metal connectors, a current collecting piece and a battery sub-module;
the battery sub-modules are mutually arranged in series;
each battery sub-module comprises a plurality of single batteries which are arranged in parallel, and each single battery comprises a battery tab;
each current collector electrically connects battery lugs of the single batteries in the adjacent battery sub-modules;
each metal connecting piece is used for electrically connecting each current collecting piece connected with the battery lug of the single battery in the battery sub-module;
the current collecting assembly is electrically connected with the current collecting pieces on the battery sub-modules positioned at two ends of the power supply device convenient to maintain;
the current collecting assembly is electrically connected with the electric equipment and provides electric energy for the electric equipment;
the metal connecting piece is of a sheet structure, and comprises a plurality of fixed contact pieces used for being contacted with the current collecting piece and connecting parts connected with the adjacent fixed contact pieces, and the connecting parts are positioned between the adjacent current collecting pieces when the metal connecting piece is electrically connected with the current collecting piece;
the connecting part of the metal connecting piece is of an arch structure;
the battery tab comprises a positive tab and a negative tab;
one end of the current collector is electrically connected with the positive electrode lug of the single battery in the battery sub-module;
the other end of the current collector is electrically connected with the negative electrode lug of the single battery in the other battery sub-module adjacent to the battery sub-module.
5. The power supply system of claim 4, wherein:
and the two ends of the current collector are respectively provided with a metal contact piece electrically connected with the battery lugs of the single batteries in the adjacent battery sub-modules, and the metal contact pieces are welded with the battery lugs of the single batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036317.4A CN106784569B (en) | 2017-01-17 | 2017-01-17 | Power supply device and power supply system convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036317.4A CN106784569B (en) | 2017-01-17 | 2017-01-17 | Power supply device and power supply system convenient to maintain |
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| Publication Number | Publication Date |
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| CN106784569A CN106784569A (en) | 2017-05-31 |
| CN106784569B true CN106784569B (en) | 2023-08-15 |
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| CN201710036317.4A Active CN106784569B (en) | 2017-01-17 | 2017-01-17 | Power supply device and power supply system convenient to maintain |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192912A (en) * | 2018-09-07 | 2019-01-11 | 华霆（合肥）动力技术有限公司 | Afflux component, afflux assembly manufacture method and battery modules |
| CN113161669A (en) * | 2021-03-19 | 2021-07-23 | 江苏神州新能源电力有限公司 | Multipurpose intelligence power station module |
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| CN105810873A (en) * | 2016-05-31 | 2016-07-27 | 华霆（合肥）动力技术有限公司 | Flexibly packaged battery module with separable combined current collector plates |
| CN206353569U (en) * | 2017-01-17 | 2017-07-25 | 华霆（合肥）动力技术有限公司 | It is easy to the supply unit and electric power system of maintenance |
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| JP3848565B2 (en) * | 2001-11-27 | 2006-11-22 | 松下電器産業株式会社 | Battery connection structure, battery module, and battery pack |
| WO2011105095A1 (en) * | 2010-02-24 | 2011-09-01 | 三洋電機株式会社 | Battery module, battery system, electric vehicle, mobile body, power storage device, power supply device, and electric apparatus |
| JP5209766B2 (en) * | 2011-08-08 | 2013-06-12 | 株式会社オートネットワーク技術研究所 | Battery wiring module cover and battery wiring module |
| KR20140111883A (en) * | 2013-03-12 | 2014-09-22 | 삼성에스디아이 주식회사 | Battery module |
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| WO2007107036A1 (en) * | 2006-03-20 | 2007-09-27 | Citic Guoan Mengguli New Energy Technology Co., Ltd. | A soft package lithium ion power battery module |
| JP2013037986A (en) * | 2011-08-10 | 2013-02-21 | Auto Network Gijutsu Kenkyusho:Kk | Battery wiring module with cover |
| DE102013010314A1 (en) * | 2013-06-19 | 2014-03-27 | Daimler Ag | Method for replacement of single cell of electrical battery, involves completely separating cell output conductor lugs of single cell from cell connector of frame elements of frame by guided cutting blade between connecting region |
| CN203787527U (en) * | 2014-03-26 | 2014-08-20 | 超威电源有限公司 | Lead-acid storage battery |
| CN105810873A (en) * | 2016-05-31 | 2016-07-27 | 华霆（合肥）动力技术有限公司 | Flexibly packaged battery module with separable combined current collector plates |
| CN206353569U (en) * | 2017-01-17 | 2017-07-25 | 华霆（合肥）动力技术有限公司 | It is easy to the supply unit and electric power system of maintenance |
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