WO2019154176A1 - 电池动力引出集成结构、电池包及车辆 - Google Patents
电池动力引出集成结构、电池包及车辆 Download PDFInfo
- Publication number
- WO2019154176A1 WO2019154176A1 PCT/CN2019/073644 CN2019073644W WO2019154176A1 WO 2019154176 A1 WO2019154176 A1 WO 2019154176A1 CN 2019073644 W CN2019073644 W CN 2019073644W WO 2019154176 A1 WO2019154176 A1 WO 2019154176A1
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- WIPO (PCT)
- Prior art keywords
- battery pack
- copper
- end plate
- integrated structure
- power take
- Prior art date
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- 238000000605 extraction Methods 0.000 title abstract description 4
- 230000010354 integration Effects 0.000 title abstract 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 112
- 229910052802 copper Inorganic materials 0.000 claims abstract description 112
- 239000010949 copper Substances 0.000 claims abstract description 112
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 4
- 239000012774 insulation material Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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- 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
-
- 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
- H01M50/271—Lids or covers for the racks or secondary casings
- H01M50/273—Lids or covers for the racks or secondary casings characterised by the material
- H01M50/278—Organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular 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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular 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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- 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
- H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
-
- 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
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
-
- 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
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- 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
- H01M50/543—Terminals
- H01M50/545—Terminals formed by the casing of the cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/771—Details
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
-
- 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
Definitions
- the present disclosure relates to the field of electric vehicles, and in particular to a battery power take-off integrated structure, a battery pack, and a vehicle.
- the battery pack is a core component of hybrid vehicles and electric vehicles.
- the battery pack is mainly composed of a battery pack case, a battery pack, and a copper bar.
- the battery pack case is wrapped around the outside of the battery pack.
- the battery pack is formed by connecting a plurality of single cells in parallel, and the copper bar leads the power of the battery pack to the battery pack case.
- the outside In the prior art, the copper strip passes through an opening in the outer casing of the battery pack to lead the total positive electrode and the total negative electrode of the battery pack to the outside of the outer casing of the battery pack.
- the copper strip is covered with an insulating film.
- the copper strip is rubbed against the opening on the outer casing of the battery pack, and the insulating film is easily worn and scraped to cause leakage.
- the present disclosure proposes a battery power take-off integrated structure that can prevent the copper row from rubbing through the opening on the battery pack casing and the battery pack casing to cause electric leakage, thereby improving safety.
- the present disclosure also proposes a battery pack having the above-described battery power take-off integrated structure.
- the present disclosure also proposes a vehicle having the above battery pack.
- a battery power take-off integrated structure comprising an end plate as a part of a battery pack casing, a copper row for guiding two electrodes of the battery pack to the outside of the battery pack case, the end plate being Insulating material, the copper strip is injection molded in the end plate, and the electrical connection portion of the copper strip is exposed.
- the battery power take-off integrated structure of the present disclosure by injecting the copper strip into the end plate, only the portion requiring electrical connection is exposed, on the one hand, the use of the insulating film can be omitted, and the cost can be reduced; on the other hand, the copper strip and the end The board is fixedly mounted by injection molding, and solves the technical problem that the copper strip passes through the opening on the outer casing of the battery pack and the battery pack outer casing, and the end plate has better wear resistance than the insulating film, thereby increasing safety; Integrating the copper busbar on the end plate can effectively save the internal space of the battery pack.
- the electrical connection is two ends of the copper row, and a portion between the ends of the copper row is injection molded in the end plate.
- the battery power take-off integrated structure further includes a circuit protection device mounted on the end plate, the copper row including a first copper row, a second copper row, and a first a third copper row, the first end of the first copper row is connected to the first electrode terminal of the battery, and the second end of the first copper row is connected to one end of the circuit protection device a first end of the second copper strip is connected to the other end of the circuit protection device, and a second end of the second copper strip is exposed on an outer side of the end plate, the third copper strip The first end portion is for connecting to the second electrode lead end of the battery pack, and the second end portion of the third copper strip is exposed on an outer side surface of the end plate.
- the first electrode lead end of the battery pack is a negative electrode lead end of the battery pack
- the second electrode lead end of the battery pack is a positive electrode lead end of the battery pack
- the outer side surface of the end plate is formed with an inwardly recessed recess, and the circuit protection device is disposed in the recess.
- the first copper busbar, the second copper busbar, the third copper busbar, and the circuit protection device are each disposed along a sidewall of the groove, the first copper The first end and the second end of the row, the first end of the second copper row, and the first end of the third copper row are both exposed to the sidewall of the recess.
- the battery power take-off integrated structure further includes an information collector and a low voltage connector, the information collector is disposed in the groove, and the low voltage connector is injection molded on the end plate And extending from an outer side surface of the end plate, the low voltage connector is electrically connected to the information collector.
- the bottom surface of the groove is formed with an opening.
- the outer side of the end plate is detachably coupled to the panel, and the panel covers the groove.
- a battery pack comprising a battery pack, a battery pack case main body, and a battery power take-out integrated structure as described above, the battery pack being housed in the battery pack case main body, the battery pack case main body
- the end plate in the integrated structure of the battery power take-up constitutes a battery pack casing, and the battery pack includes a plurality of unit cells and a power connecting piece, and the adjacent two unit cells are connected in series or in parallel through the power connecting piece.
- a vehicle according to a third aspect of the present disclosure has the battery pack as described above.
- FIG. 1 is a perspective view of a battery power take-off integrated structure in accordance with an embodiment of the present disclosure, in which an information collector, a low voltage connector, and a panel are not shown;
- FIG. 2 is a perspective view of a copper row and circuit protection device in a battery power take-off integrated structure in accordance with an embodiment of the present disclosure
- FIG. 3 is a perspective view of a battery power take-off integrated structure in accordance with an embodiment of the present disclosure
- FIG. 4 is a perspective view of a battery power take-off integrated structure in accordance with an embodiment of the present disclosure, wherein a panel is simultaneously shown;
- FIG. 5 is an exploded view of a battery pack in accordance with an embodiment of the present disclosure.
- FIG. 6 is a perspective view of a flexible circuit board in a battery pack according to an embodiment of the present disclosure
- FIG. 7 is a schematic structural view of a vehicle according to the present disclosure.
- 100 battery power extraction integrated structure, 21, end plate, 211, groove, 212, opening, 213, first mounting hole, 214, third mounting hole, 22, first copper row, 221, first copper row a first end, 222, a second end of the first copper row, 23, a second copper row, 231, a first end of the second copper row, 232, a second end of the second copper row, 24 a third copper row, 241, a first end of the third copper row, 242, a second end of the third copper row, 25, a circuit protection device, 26, an information collector, 27, a low voltage connector, 28, a panel , 281, second mounting hole;
- the battery power take-off integrated structure 100 includes an end plate 21 and a copper row, the end plate 21 is made of an insulating material and is used as a part of the battery pack casing, and the copper row is used to place two of the battery packs.
- the electrodes are led out to the outside of the battery pack casing, that is, the copper bars lead the energy (electric energy) of the battery out to the outside of the battery pack casing, the copper bars are injection-molded in the end plate 21, and the electrical connections of the copper bars are exposed from the end plates 21. come out.
- the coating can be omitted.
- the use of the insulating film on the surface of the copper row reduces the cost; on the other hand, the copper bar and the end plate 21 are fixedly mounted by injection molding, thereby solving the problem if the copper bar passes through the opening on the outer casing of the battery case and the outer casing of the battery pack causes friction.
- the technical problem of leakage is that the end plate 21 has better wear resistance than the insulating film, thereby increasing safety; on the other hand, integrating the copper row on the end plate 21 can effectively save the internal space of the battery pack 200.
- the electrical connections of the copper bars may be the two ends of the copper bars, ie the two ends of the copper bars are exposed, and the portion between the two ends is injection molded in the end plate 21.
- the battery power take-off integrated structure 100 further includes a circuit protection device 25 mounted on the end plate 21, the copper row including the first copper row 22 and the second copper row 23 And the third copper strip 24, the first end portion 221 of the first copper strip 22 is connected to the first electrode lead end of the battery pack, and the second end portion 222 of the first copper strip 22 is connected to one end of the circuit protection device 25.
- the first end portion 231 of the second copper bar 23 is connected to the other end of the circuit protection device 25.
- the second end portion 232 of the second copper bar 23 is exposed on the outer side of the end plate 21 to be connected to the outside, and the third copper bar is connected.
- the first end portion 241 of the second copper strip 24 is connected to the second electrode lead end of the battery pack, and the second end portion 242 of the third copper strip 24 is exposed to the outer side surface of the end plate 21 to be connected to the outside. That is, the first copper bust 22 and the second copper busbar 23 are used to lead the first electrode of the battery pack, and the third copper busbar 24 is used to lead the second electrode of the battery pack.
- the circuit protection device 25 is disposed between the first copper busbar 22 and the second copper busbar 23. When the battery pack 200 is abnormal, the circuit protection device 25 can be blown in time to cut off the current to ensure the safety of the entire battery pack 200.
- the circuit protection device 25 is a lossy component, and all structures of the circuit protection device 25 may be exposed on the outer side of the end plate 21 for ease of maintenance and replacement.
- the outer side of the end plate 21 refers to the side of the end plate 21 facing away from the battery pack.
- the first electrode lead end of the battery pack is the negative electrode lead end of the battery pack
- the second electrode lead end is the positive electrode lead end of the battery pack
- the first electrode lead end of the battery pack may be the positive electrode lead end of the battery pack
- the second electrode lead end of the battery pack may be the negative electrode lead end of the battery pack.
- the safety of the battery pack 200 is improved.
- the outer side surface of the end plate 21 is formed.
- a circuit protection device 25 is disposed in the recess 211.
- the bottom surface of the recess 211 separates the circuit protection device 25 from the battery pack.
- the copper bars may have any suitable arrangement, which is not limited in the present disclosure.
- the recess includes a bottom surface extending along an edge of the bottom surface to protrude toward a side wall away from the battery pack to form a sidewall of the recess 211.
- the first copper strip 22, the second copper strip 23, the third copper strip 24, and the circuit protection device 25 are all disposed along the sidewall of the recess 211, and the first end portion 221 and the second end portion 222 of the first copper strip 22, The first end portion 231 of the second copper strip 23 and the first end portion 241 of the third copper strip 24 are exposed on the sidewall of the recess 211 such that the first end portion 221 of the first copper strip 22 and The second end portion 222, the first end portion 231 of the second copper bar 23, and the first end portion 241 of the third copper bar 24 are all located within the recess 211.
- the battery power take-off integrated structure 100 may further include an information collector 26 and a low voltage connector 27.
- the information collector 26 is disposed in the recess 211, and the low voltage connector 27 is molded on the end plate. 21 and extending from the outer side of the end plate 21, the low voltage connector 27 is electrically connected to the information collector 26, and the information collector 26 is connected to the external battery management system via the low voltage connector 27.
- assembly can be simplified and production efficiency can be improved.
- the outer side of the end plate 21 is further provided with a panel 28 which is detachably attached to the end plate 21 and covers the recess 211.
- the edge of the groove 211 may be provided with a first mounting hole 213, and the edge of the panel 28 may be provided with a second mounting hole 281, and the second mounting hole 281 is fixed to the first mounting hole 213 by a screw.
- the area of the panel 28 is smaller than the area of the end plate 21, and the second end portion 232 of the second copper strip 23 and the second end portion 242 of the third copper strip 24 are not covered by the panel 28.
- the battery pack includes a plurality of single cells 11 and a power connecting piece 125, and the adjacent two single cells 11 are connected in series or in parallel through the power connecting piece 125, and the battery pack has The first end portion 221 of the first copper strip 22 is electrically connected to the negative terminal of the battery pack, and the first end portion 241 of the third copper strip 24 is electrically connected to the positive terminal of the battery pack.
- the first end portion 221 of the first copper busbar 22 is electrically connected to the positive terminal of the battery pack, and the first end portion 241 of the third copper busbar 24 is electrically connected to the negative terminal of the battery pack.
- the battery pack further includes a flexible circuit board 12, and the power connection piece 125 is disposed on the flexible circuit board 12, and the positive electrode terminal and the negative electrode terminal of the battery pack are located on the flexible circuit board.
- the positive terminal 122 and the negative terminal 121 of the 12, the flexible circuit board 12 is further formed with a connecting arm 123.
- the end of the connecting arm 123 is provided with a connector 124 for transmitting the temperature, voltage and the like of the battery pack 200 to the outside.
- the bottom surface of the recess 211 is formed with an opening 212 through which the negative end 121 of the flexible circuit board 12 is connected to the first end portion 221 of the first copper strip 22, and the positive end of the flexible circuit board 12 122 passes through opening 212 to connect with first end 241 of third copper bar 24, and connecting arm 123 passes through opening 212 to connect connector 124 to information collector 26.
- a battery pack according to the present disclosure includes a battery pack, a battery pack case main body, and a battery power take-off integrated structure as described above.
- the battery pack is housed in the battery pack housing body, and the battery pack housing main body and the end plate 21 in the battery power take-off integrated structure 100 constitute a battery pack outer casing.
- the battery pack includes a plurality of single cells 11 and a power connecting piece 125, and two adjacent ones. The individual cells 11 are connected in series or in parallel via the power connection piece 125.
- the battery pack case main body has a rectangular parallelepiped shape with one end open, and the end plate 21 is connected to the opening of the battery pack case main body.
- the battery pack housing body and end plate 21 may also have other suitable shapes or configurations.
- the battery pack case body may be a unitary structure or a split structure.
- the battery pack case main body may include an upper case 30 and a lower case 40.
- the lower end and the front end of the upper case 30 are open, and the upper end and the front end of the lower case 40 are open, and the upper case is open.
- the lower end edge of the body 30 is provided with a fourth mounting hole 31, and the upper end edge of the lower case 40 is provided with a fifth mounting hole 41, and the fourth mounting hole 31 and the fifth mounting hole 41 are fixed by screws.
- the front end edge of the upper casing 30 is provided with a sixth mounting hole 32, and the front end edge of the lower casing 40 is provided with a seventh mounting hole 42.
- the edge of the end plate 21 is provided with a third mounting hole 214, a sixth mounting hole 32 and a The seven mounting holes 42 are respectively fixed to the third mounting holes 214 by screws.
- a vehicle 300 includes a battery pack 200 as described above.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (11)
- 一种电池动力引出集成结构(100),其中,包括作为电池包外壳的一部分的端板(21)、用于将电池组的两个电极引出到所述电池包外壳外部的铜排,所述端板(21)为绝缘材质,所述铜排注塑封装在所述端板(21)中,所述铜排的电连接部裸露出来。
- 根据权利要求1所述的电池动力引出集成结构(100),其中,所述电连接部为所述铜排的两个端部,所述铜排的两个端部之间的部分注塑封装在所述端板(21)中。
- 根据权利要求1或2所述的电池动力引出集成结构(100),其中,所述电池动力引出集成结构(100)还包括电路保护装置(25),所述电路保护装置(25)安装在所述端板(21)上,所述铜排包括第一铜排(22)、第二铜排(23)和第三铜排(24),所述第一铜排(22)的第一端部(221)用于与所述电池组的第一电极引出端连接,所述第一铜排(22)的第二端部(222)与所述电路保护装置(25)的一端相连,所述第二铜排(23)的第一端部(231)与所述电路保护装置(25)的另一端相连,所述第二铜排(23)的第二端部(232)裸露于所述端板(21)的外侧面,所述第三铜排(24)的第一端部(241)用于与所述电池组的第二电极引出端连接,所述第三铜排(24)的第二端部(232)裸露于所述端板(21)的外侧面。
- 根据权利要求3所述的电池动力引出集成结构(100),其中,所述电池组的所述第一电极引出端为电池组的负极引出端,所述第二电极引出端为电池组的正极引出端。
- 根据权利要求3或4所述的电池动力引出集成结构(100),其中,所述端板(21)的外侧面上形成有向内凹陷的凹槽(211),所述电路保护装置(25)设置在所述凹槽(211)内。
- 根据权利要求5所述的电池动力引出集成结构(100),其中,所述第一铜排(22)、所述第二铜排(23)、所述第三铜排(24)和所述电路保护装置(25)均沿所述凹槽(211)的侧壁设置,所述第一铜排(22)的第一端部(221)和第二端部(222)、所述第二铜排(23)的第一端部(231)、以及所述第三铜排(24)的第一端部(241)均裸露于所述凹槽(211)的侧壁。
- 根据权利要求5或6所述的电池动力引出集成结构(100),其中,所述电池动力引出集成结构(100)还包括信息采集器(26)和低压接插件(27),所述信息采集器(26)设置在所述凹槽(211)内,所述低压接插件(27)注塑在所述端板(21)上且从所述端板(21)的外侧面上伸出,所述低压接插件(27)与所述信息采集器(26) 电连接。
- 根据权利要求5至7中任意一项所述的电池动力引出集成结构(100),其中,所述凹槽(211)的底面形成有开口(212)。
- 根据权利要求5至8中任意一项所述的电池动力引出集成结构(100),其中,所述端板(21)的外侧可拆卸地连接有面板(28),所述面板(28)覆盖所述凹槽(211)。
- 一种电池包(200),其中,包括电池组、电池包外壳主体、以及根据权利要求1-9中任一项所述的电池动力引出集成结构(100),所述电池组容纳在所述电池包外壳主体内,所述电池包外壳主体与电池动力引出集成结构(100)中的端板(21)构成电池包外壳,所述电池组包括多个单体电池及动力连接片,相邻的两个单体电池之间通过所述动力连接片串联或并联。
- 一种车辆(300),其中,包括根据权利要求10所述的电池包(200)。
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US16/968,700 US20200373542A1 (en) | 2018-02-08 | 2019-01-29 | Battery power extraction and integration structure, battery pack and vehicle |
KR1020207024411A KR20200112934A (ko) | 2018-02-08 | 2019-01-29 | 배터리 파워 인출 집적 구조, 배터리 팩 및 자동차 |
EP19750601.7A EP3748712A4 (en) | 2018-02-08 | 2019-01-29 | BATTERY ENERGY INTEGRATION AND EXTRACTION STRUCTURE, BATTERY ASSEMBLY AND VEHICLE |
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CN111785885B (zh) * | 2020-07-23 | 2022-07-19 | 中创新航科技股份有限公司 | 电池组件及电动设备 |
CN113644388B (zh) * | 2021-08-06 | 2023-08-25 | 广州小鹏汽车科技有限公司 | 铜排及电池包 |
KR20230050973A (ko) * | 2021-10-08 | 2023-04-17 | 주식회사 엘지에너지솔루션 | 배터리 모듈, 배터리 팩, 및 이를 포함하는 자동차 |
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US20200373542A1 (en) | 2020-11-26 |
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