CN102569935A - Radiating aluminum plates for flexible package battery pack - Google Patents
Radiating aluminum plates for flexible package battery pack Download PDFInfo
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- CN102569935A CN102569935A CN2012100338860A CN201210033886A CN102569935A CN 102569935 A CN102569935 A CN 102569935A CN 2012100338860 A CN2012100338860 A CN 2012100338860A CN 201210033886 A CN201210033886 A CN 201210033886A CN 102569935 A CN102569935 A CN 102569935A
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- battery
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- dissipating aluminium
- aluminium plate
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- 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
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Abstract
The invention provides radiating aluminum plates for a flexible package battery pack. The battery pack comprises a fixed L plate, insulating parts, a box body and a battery module, wherein the battery module comprises two acrylonitrile butadiene styrene (ABS) insulating clamp plates, 15 radiating aluminum plates, 14 flexible package monomer batteries and battery connecting pieces; a groove for placing each monomer battery is formed on each radiating aluminum plate, and is positioned on one side surface of each radiating aluminum plate; the depth of each groove is matched with the lower part of a pole lug of each monomer battery; and at least one mounting hole is formed on each radiating aluminum plate. According to the radiating aluminum plates for the flexible package battery pack, the groove for positioning each monomer battery is formed on one side of each radiating aluminum plate, and a heating surface of each battery is closely attached to a groove surface, so that the aim of good radiating can be fulfilled; and a cooling passage is formed on the other side of each radiating aluminum plate, so that the radiating of the monomer batteries can be accelerated.
Description
Technical field
The present invention relates to a kind of battery, specifically relate to a kind of heat-dissipating aluminium plate that is used for the flexible-packed battery group.
Background technology
Existing battery cell structure is with after a plurality of flexible-packed battery parallel connections mostly, is arranged in the rigid insulation shell again.Shell upper is provided with plus end and negative terminal; Said flexible-packed battery anode ear interconnects and is located on the shell plus end; Said flexible-packed battery negative electrode lug interconnects and is located on the shell negative terminal, and this battery structure is basic engineering battery case structure and connected mode.The battery of design causes on the one hand that the heat of flexible-packed battery is difficult to shed in the hard shell like this, on the other hand again since the temperature of plastic packaging inside battery be difficult to monitor.Battery behavior data after the just parallel connection of parallel connection management system acquisition, the parameter of restive each battery causes the initiation security incident of blasting easily.
Existing employing with the flexible-packed battery be the basis structure, be with the plastic cement overall package in battery case, do not have cooling heat radiation system, the battery radiating effect is relatively poor, is difficult to guarantee the safe handling of battery under various environment.
Adopt the air-cooled methods for cooling that waits and present battery heat radiation is general, this direct cooling means need leave certain clearance between each battery, takes away the cooling duct of the heat that battery produces through battery surface to form coolant.Existing flexible-packed battery, because the characteristic of itself structure, battery main body is softer, and the aluminum plastic film packing edge of irregularity is arranged again simultaneously, prior art is difficult to satisfy the requirement of not only needs location and installation but also needs cooling heat dissipation.
Moreover, also there is following defective in the battery connector:
Connection between battery is a battery key technology in groups; The connected mode of current battery has welding to be connected with screw; Wherein welding comprises ultra-sonic welded and laser welding, utilizes the battery terminal of ultra-sonic welded or lug is insecure comes off easily, connects the bad control of resistance simultaneously.The laser welding cost is too high again.Adopt screw that battery pole ear is directly connected together, do not have fixed form, under battery case vibration situation, cause connecting actual effect, security incident occurs.
Battery of the prior art generally utilizes stay bolt to fix with steel plate in groups again, and steel plate is the on-insulated property of electric conductor, links to each other with Battery case, makes the charged short circuit accident that occurs of entire cell casing easily.Because the connection between battery, the steel plate height will cause battery case Internal Management System data acquisition line can not utilize steel plate to form wire casing much smaller than the battery top, can't fix, and moves towards chaotic.
Summary of the invention
Above-mentioned defective to the prior art existence; The purpose of this invention is to provide a kind of heat-dissipating aluminium plate that is used for the flexible-packed battery group, this heat-dissipating aluminium plate one side is provided with the groove to the cell location, and battery heating face and groove surface fit tightly; Reach the purpose of good heat radiation; The opposite side of heat-dissipating aluminium plate is provided with the cooling duct, more can accelerate the heat radiation of cell, and the contact-making surface of groove and battery scribbles heat conductive silica gel; Contact-making surface also is provided with the phase change material stores groove and is used for depositing phase-change material, and phase-change material absorbs the battery operated heat that distributes.A kind of heat-dissipating aluminium plate that is used for the flexible-packed battery group provided by the invention, said battery pack comprises fixed L plate, insulating part, casing and battery module, said battery module comprises two ABS cleat insulators; Number is 15 a said heat-dissipating aluminium plate; Number is 14 said Soft Roll cell and a battery connector, and the number of said battery connector is 1-7, and one of them is bar shaped; A cuboid, five is rectangle; Said cuboid connector is provided with a fixing hole; Said rectangle connector is provided with 1-2 location hole and 1-2 groove that stacks said battery pole ear, is provided with fixing hole 1-2 in the said groove, said location hole and fixing hole perpendicular to this connector shaft to; Said battery connector is positioned at said battery pack lug one end; And it is axially vertical with said cell; It is characterized in that said heat-dissipating aluminium plate is provided with the groove of placing said cell; Said groove is positioned on the side of said heat-dissipating aluminium plate, and the degree of depth of said groove and said single battery pole ears are mated with the lower part, and said heat-dissipating aluminium plate is provided with at least one installing hole.
In first preferred embodiment of the present invention: said heat-dissipating aluminium plate and said groove are rectangle; The width of said rectangular recess is less than the width of said rectangle heat-dissipating aluminium plate; Said groove is arranged on an end of said heat-dissipating aluminium plate, and the other end of said heat-dissipating aluminium plate is provided with 1-2 through hole.
In second preferred embodiment of the present invention: the contact-making surface of said groove and cell scribbles heat conductive silica gel.
In the 3rd preferred embodiment of the present invention: the Si Jiaochu of heat-dissipating aluminium plate is provided with 4 installing holes, and the aperture of installing hole is the 4-8 millimeter.
In the 4th preferred embodiment of the present invention: groove and the contact-making surface of cell be provided with battery shaft to identical strip phase-change material accumulator tank.
In the 5th preferred embodiment of the present invention: place phase-change material in the said phase-change material accumulator tank, phase-change material is chosen according to battery operated preference temperature scope, and said temperature range is 25～35 ℃.
In the 6th preferred embodiment of the present invention: said phase-change material is inorganic solid-liquid or inorganic solid-solid phase transition material or organic solid-solid phase transition material.
Description of drawings
Fig. 1 is: the structural representation of a kind of flexible-packed battery group provided by the invention;
Fig. 2 is: the structural representation of battery connector plate 1 provided by the invention;
Fig. 3 is: the structural representation of battery connector plate 2 provided by the invention;
Fig. 4 is: the structural representation of battery connector plate 3 provided by the invention;
Fig. 5 is: the structural representation of battery connector plate 4 provided by the invention;
Fig. 6 is: the structural representation of battery connector plate 5 provided by the invention;
Fig. 7 is: the structural representation of battery connector plate 6 provided by the invention;
Fig. 8 is: the structural representation of battery connector plate 7 provided by the invention;
Fig. 9 is: the structural representation of flexible package cell;
Figure 10 is: the structural representation of the embodiment one of heat-dissipating aluminium plate provided by the invention;
Figure 11 is: the structural representation of the embodiment two of heat-dissipating aluminium plate provided by the invention;
Figure 12 is: the structural representation of the embodiment three of heat-dissipating aluminium plate provided by the invention;
Figure 13 is: the structural representation of the embodiment four of heat-dissipating aluminium plate provided by the invention;
Figure 14 is: the schematic cross-section of the embodiment four of heat-dissipating aluminium plate provided by the invention;
Figure 15 is: the structural representation of battery case case lid provided by the invention;
Figure 16 is: the structural representation of battery module provided by the invention;
Figure 17 is: the structural representation of group of battery modules provided by the invention.
Embodiment
A kind of flexible-packed battery group provided by the invention; Concrete structure is as shown in Figure 1; Can know by Fig. 1; This flexible-packed battery group comprises heat-dissipating aluminium plate, battery connector, ABS cleat insulator, fixed L plate, insulating part and casing, and above-mentioned device combines a plurality of flexible package cells, forms the flexible-packed battery group.The number of battery connector provided by the invention is 1-7, and the concrete structure sketch map of battery connector plate 1-plate 7 is shown in Fig. 2-8, and one of them is bar shaped, a cuboid, and five is rectangle; The cuboid connector is provided with a fixing hole; The rectangle connector is provided with 1-2 location hole and 1-2 groove that stacks said battery pole ear, is provided with fixing hole 1-2 in the groove, location hole and fixing hole perpendicular to this connector shaft to; The battery connector is positioned at said battery pack lug one end, and axially vertical with cell.
The concrete structure of flexible package cell is as shown in Figure 9, can be known by Fig. 9, and this flexible package cell profile is a cuboid, and skin is the aluminum plastic film packing, and the top has two lugs, is respectively anode ear and negative electrode lug.
Heat-dissipating aluminium plate is processed by commercial-purity aluminium, and existing good thermal conduction characteristic has certain rigidity again, and the embodiment one of its structure is shown in figure 10; Can be known that by Figure 10 a side of heat-dissipating aluminium plate is provided with groove, the degree of depth and the single battery pole ears of groove are mated with the lower part; This groove plays the effect to the cell location; Battery heating face and groove surface fit tightly, and help the heat radiation of battery, also are provided with 1-4 installing hole on the heat-dissipating aluminium plate; The aperture of installing hole is the 4-8 millimeter, and pull bar is connected and fixed through a plurality of heat-dissipating aluminium plates and ABS cleat insulator and the fixed L plate that these installing holes will comprise cell.
One end of heat-dissipating aluminium plate side is provided with through hole; The axially parallel of through hole and cell; In the opposite direction, the number of through hole is 1-2, highly is 5-10 centimetre; The embodiment one of the heat-dissipating aluminium plate that Figure 10 provides is provided with groove for heat-dissipating aluminium plate near battery pole ear one end side surface, and the other end is provided with 2 through holes.
Figure 11 is the structural representation of the embodiment two of heat-dissipating aluminium plate provided by the invention, can be known by Figure 11, and heat-dissipating aluminium plate is provided with 1 through hole near battery pole ear one end, and other end side is provided with groove.
Further, the contact-making surface of heat-dissipating aluminium plate groove and cell scribbles heat conductive silica gel, plays a part to quicken heat conduction; Its concrete structure is shown in figure 12; Figure 12 is the structural representation of the embodiment three of heat-dissipating aluminium plate provided by the invention, can be known by Figure 12, and heat-dissipating aluminium plate is provided with groove near battery pole ear one end side surface; The other end is provided with 2 through holes, and the contact-making surface of groove and cell scribbles heat conductive silica gel.
Preferably, the structural representation of the embodiment four of heat-dissipating aluminium plate provided by the invention is shown in figure 13, can be known by Figure 13; Side of heat-dissipating aluminium plate is provided with groove; The contact-making surface of groove and cell is provided with the phase-change material accumulator tank, and its schematic cross-section is shown in figure 14, can be known by Figure 14; The phase-change material accumulator tank be with battery shaft to identical strip groove; Place phase-change material in the phase-change material accumulator tank groove, phase-change material can absorb the heat that battery produces through phase transformation when battery operated, and choosing of phase-change material can be according to battery operated preference temperature scope; Phase-change material phase transition temperature scope is at 25～35 ℃, and phase-change material can use inorganic solid-liquid, inorganic solid-solid phase transition material, organic solid-solid phase transition material.Place phase-change material in the phase change material stores groove and can make uniformity of temperature profile between cell, improve the consistency between each battery, and need not heat abstractor such as external fan.
Battery case is that shown in figure 15 is the structural representation of battery case case lid, can be known by Figure 15 at the packaging structure in the whole flexible-packed battery group outside; The front side of casing is provided with the rectangle air inlet, and this air inlet is in the lower end of casing front side, and the rear side of casing is provided with fan outlet; The size of air outlet is corresponding with the air inlet of leading flank with the position; The through hole of heat-dissipating aluminium plate constitutes a cooling duct, and cooling air is discharged by the casing external fan via the cooling duct by air inlet, helps the heat radiation of battery more; The position of casing air inlet and air outlet is corresponding with the position of the through hole of heat-dissipating aluminium plate, and what Figure 15 provided is the situation in the lower end.
Flexible-packed battery group provided by the invention comprises at least four battery modules; What Fig. 1 provided is the situation that battery pack comprises four battery modules; The concrete sketch map of battery module is shown in figure 16, can be known by Figure 16, and battery module comprises two ABS cleat insulators; 15 heat-dissipating aluminium plates and 14 Soft Roll cells, per 2 heat-dissipating aluminium plates fix to clamp a Soft Roll cell through its upper groove.Shown in figure 17 is the sketch map of group of battery modules, can be known by Figure 17, and group of battery modules is that the heat-dissipating aluminium plate by 3 ABS cleat insulators and inner 30 securing unit batteries thereof is fixed together through pull bar and forms.
Above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although the present invention has been carried out detailed explanation with reference to the foregoing description; The those of ordinary skill in said field is to be understood that: still can specific embodiments of the invention make amendment or replacement on an equal basis; And do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1. heat-dissipating aluminium plate that is used for the flexible-packed battery group, said battery pack comprises fixed L plate, insulating part, casing and battery module, said battery module comprises two ABS cleat insulators; Number is 15 a said heat-dissipating aluminium plate; Number is 14 said Soft Roll cell and a battery connector, and the number of said battery connector is 1-7, and one of them is bar shaped; A cuboid, five is rectangle; Said cuboid connector is provided with a fixing hole; Said rectangle connector is provided with 1-2 location hole and 1-2 groove that stacks said battery pole ear, is provided with fixing hole 1-2 in the said groove, said location hole and fixing hole perpendicular to this connector shaft to; Said battery connector is positioned at said battery pack lug one end; And it is axially vertical with said cell; It is characterized in that said heat-dissipating aluminium plate is provided with the groove of placing said cell; Said groove is positioned on the side of said heat-dissipating aluminium plate, and the degree of depth of said groove and said single battery pole ears are mated with the lower part, and said heat-dissipating aluminium plate is provided with at least one installing hole.
2. according to a kind of heat-dissipating aluminium plate that is used for the flexible-packed battery group of claim 1; It is characterized in that said heat-dissipating aluminium plate and said groove are rectangle; The width of said rectangular recess is less than the width of said rectangle heat-dissipating aluminium plate; Said groove is arranged on an end of said heat-dissipating aluminium plate, and the other end of said heat-dissipating aluminium plate is provided with 1-2 through hole.
3. according to a kind of heat-dissipating aluminium plate that is used for the flexible-packed battery group of claim 2, it is characterized in that the contact-making surface of said groove and cell scribbles heat conductive silica gel.
4. according to a kind of heat-dissipating aluminium plate that is used for the flexible-packed battery group of claim 1, it is characterized in that the Si Jiaochu of heat-dissipating aluminium plate is provided with 4 installing holes, the aperture of installing hole is the 4-8 millimeter.
5. according to a kind of heat-dissipating aluminium plate that is used for the flexible-packed battery group of claim 1, it is characterized in that the groove and the contact-making surface of cell be provided with battery shaft to identical strip phase-change material accumulator tank.
6. according to a kind of heat-dissipating aluminium plate that is used for the flexible-packed battery group of claim 5, it is characterized in that placing phase-change material in the said phase-change material accumulator tank, phase-change material is chosen according to battery operated preference temperature scope, and said temperature range is 25～35 ℃.
7. according to a kind of heat-dissipating aluminium plate that is used for the flexible-packed battery group of claim 5, it is characterized in that said phase-change material is inorganic solid-liquid or inorganic solid-solid phase transition material or organic solid-solid phase transition material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210033886.0A CN102569935B (en) | 2012-02-15 | 2012-02-15 | Radiating aluminum plates for flexible package battery pack |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210033886.0A CN102569935B (en) | 2012-02-15 | 2012-02-15 | Radiating aluminum plates for flexible package battery pack |
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| CN102569935A true CN102569935A (en) | 2012-07-11 |
| CN102569935B CN102569935B (en) | 2015-06-24 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138029A (en) * | 2013-03-06 | 2013-06-05 | 湖南大学 | Thermal management system of lithium battery in hybrid power vehicle |
| CN106785204A (en) * | 2016-12-27 | 2017-05-31 | 浙江超威创元实业有限公司 | Lithium battery phase change thermal management package assembly |
| CN107093781A (en) * | 2016-02-18 | 2017-08-25 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN107170933A (en) * | 2017-06-19 | 2017-09-15 | 江苏英耐杰新能源有限公司 | A kind of in groups module of rectangular cell |
| CN108075207A (en) * | 2017-11-15 | 2018-05-25 | 北京海纳川汽车部件股份有限公司 | The manufacturing method of battery cooling plate and battery cooling plate |
| CN108172929A (en) * | 2017-12-22 | 2018-06-15 | 银隆新能源股份有限公司 | Battery radiator structure and the battery pack with air-cooled radiating device |
| CN108899445A (en) * | 2018-07-06 | 2018-11-27 | 江苏卓高新材料科技有限公司 | A kind of battery case, power module and battery pack |
| CN109301378A (en) * | 2017-07-24 | 2019-02-01 | 通用汽车环球科技运作有限责任公司 | Contact pin for soft-package battery is cooling |
| CN109564994A (en) * | 2016-08-09 | 2019-04-02 | 小鹰公司 | With the battery for compressing and preventing thermal runaway sprawling feature |
| CN110190232A (en) * | 2019-07-04 | 2019-08-30 | 中车资阳机车有限公司 | A kind of machine Vehicular air-cooled Soft Roll power battery box |
| CN111599959A (en) * | 2020-05-29 | 2020-08-28 | 安徽江淮汽车集团股份有限公司 | Battery module and light-duty commodity circulation car |
| CN111916811A (en) * | 2020-07-21 | 2020-11-10 | 柳州市智甲金属科技有限公司 | Battery core installation method and integrated battery pack |
| US11552346B2 (en) | 2018-06-22 | 2023-01-10 | Wisk Aero Llc | Capacitance reducing battery submodule with thermal runaway propagation prevention and containment features |
| US12021408B2 (en) | 2018-08-13 | 2024-06-25 | Wisk Aero Llc | Capacitance reduction in battery systems |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138029A (en) * | 2013-03-06 | 2013-06-05 | 湖南大学 | Thermal management system of lithium battery in hybrid power vehicle |
| CN107093781A (en) * | 2016-02-18 | 2017-08-25 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN107093781B (en) * | 2016-02-18 | 2024-04-02 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN109564994A (en) * | 2016-08-09 | 2019-04-02 | 小鹰公司 | With the battery for compressing and preventing thermal runaway sprawling feature |
| CN109564994B (en) * | 2016-08-09 | 2022-10-25 | 威斯克航空有限责任公司 | Storage battery with compression and thermal runaway spread prevention features |
| US12046728B2 (en) | 2016-08-09 | 2024-07-23 | Wisk Aero Llc | Battery with compression and prevention of thermal runaway propagation features |
| CN106785204A (en) * | 2016-12-27 | 2017-05-31 | 浙江超威创元实业有限公司 | Lithium battery phase change thermal management package assembly |
| CN107170933A (en) * | 2017-06-19 | 2017-09-15 | 江苏英耐杰新能源有限公司 | A kind of in groups module of rectangular cell |
| CN109301378B (en) * | 2017-07-24 | 2022-07-05 | 通用汽车环球科技运作有限责任公司 | Tab cooling for pouch cells |
| CN109301378A (en) * | 2017-07-24 | 2019-02-01 | 通用汽车环球科技运作有限责任公司 | Contact pin for soft-package battery is cooling |
| CN108075207A (en) * | 2017-11-15 | 2018-05-25 | 北京海纳川汽车部件股份有限公司 | The manufacturing method of battery cooling plate and battery cooling plate |
| CN108172929A (en) * | 2017-12-22 | 2018-06-15 | 银隆新能源股份有限公司 | Battery radiator structure and the battery pack with air-cooled radiating device |
| CN108172929B (en) * | 2017-12-22 | 2024-03-15 | 银隆新能源股份有限公司 | Battery core heat radiation structure and battery pack with air cooling heat radiation device |
| US11552346B2 (en) | 2018-06-22 | 2023-01-10 | Wisk Aero Llc | Capacitance reducing battery submodule with thermal runaway propagation prevention and containment features |
| CN108899445A (en) * | 2018-07-06 | 2018-11-27 | 江苏卓高新材料科技有限公司 | A kind of battery case, power module and battery pack |
| US12021408B2 (en) | 2018-08-13 | 2024-06-25 | Wisk Aero Llc | Capacitance reduction in battery systems |
| CN110190232A (en) * | 2019-07-04 | 2019-08-30 | 中车资阳机车有限公司 | A kind of machine Vehicular air-cooled Soft Roll power battery box |
| CN110190232B (en) * | 2019-07-04 | 2024-03-22 | 中车资阳机车有限公司 | Air-cooled soft package power battery box for locomotive |
| CN111599959A (en) * | 2020-05-29 | 2020-08-28 | 安徽江淮汽车集团股份有限公司 | Battery module and light-duty commodity circulation car |
| CN111916811B (en) * | 2020-07-21 | 2023-05-23 | 柳州市智甲金属科技有限公司 | Battery cell installation method and integrated battery pack |
| CN111916811A (en) * | 2020-07-21 | 2020-11-10 | 柳州市智甲金属科技有限公司 | Battery core installation method and integrated battery pack |
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| CN102569935B (en) | 2015-06-24 |
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