CN102569935B - Radiating aluminum plates for flexible package battery pack - Google Patents
Radiating aluminum plates for flexible package battery pack Download PDFInfo
- Publication number
- CN102569935B CN102569935B CN201210033886.0A CN201210033886A CN102569935B CN 102569935 B CN102569935 B CN 102569935B CN 201210033886 A CN201210033886 A CN 201210033886A CN 102569935 B CN102569935 B CN 102569935B
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- Prior art keywords
- battery
- heat
- groove
- dissipating aluminium
- aluminium plate
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 60
- 239000000178 monomer Substances 0.000 claims abstract description 9
- 239000004411 aluminium Substances 0.000 claims description 51
- 239000012782 phase change material Substances 0.000 claims description 23
- 239000012212 insulator Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 239000007790 solid phase Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 210000005069 ears Anatomy 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
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 for flexible-packed battery group.
Background technology
Existing battery cell structure is by after multiple flexible-packed battery parallel connection mostly, then is arranged in rigid insulation shell.Shell upper is provided with plus end and negative terminal, described flexible-packed battery anode ear is interconnected and is located on shell plus end, described flexible-packed battery negative electrode lug is interconnected and is located on shell negative terminal, designs battery case structure and connected mode based on this battery structure.The battery of such design causes the heat of flexible-packed battery in hard shell to be difficult to shed on the one hand, on the other hand again because the temperature of plastic packaging inside battery is difficult to monitor.Battery behavior data after the just parallel connection of management system acquisition in parallel, the parameter of restive each battery, causes initiation security incident of easily blasting.
The structure of existing employing based on flexible-packed battery is that do not have cooling heat radiation system, battery radiating effect is poor with plastic cement overall package in battery case, is difficult to ensure battery safe handling under circumstances.
And current battery heat radiation is general adopts the air-cooled methods for cooling that waits, this direct cooling means, needs to leave certain gap between each battery, to form coolant to take away the heat that battery produces cooling duct by battery surface.Existing flexible-packed battery, due to the characteristic of itself structure, battery main body is softer, has again the laminated aluminum film edge of irregularity simultaneously, and prior art is difficult to meet not only needs location and installation but also the requirement of needs cooling heat dissipation.
Moreover, also there is following defect in battery connecting piece:
Connection between battery is 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 easily comes off, the bad control of contact resistance simultaneously.Laser welding cost is too high again.Adopt screw directly to be connected together by battery pole ear, there is no fixed form, under battery case Vibration Condition, cause connecting actual effect, occur security incident.
Battery of the prior art in groups general steel plate recycling stay bolt is fixed, and steel plate is the on-insulated property of electric conductor, is connected with Battery case, easily makes that whole Battery case is charged occurs short circuit accident.Due to the connection between battery, steel plate height much smaller than cell top end, will cause battery case Internal Management System data acquisition line concentration that steel plate can not be utilized to form wire casing, cannot fix, move towards chaotic.
Summary of the invention
In view of the foregoing defects the prior art has, the object of this invention is to provide a kind of heat-dissipating aluminium plate for flexible-packed battery group, this heat-dissipating aluminium plate side is provided with the groove to cell location, battery-heating face and groove surface fit tightly, reach the object of well heat radiation, the opposite side of heat-dissipating aluminium plate is provided with cooling duct, more can accelerate the heat radiation of cell, the contact-making surface of groove and battery scribbles heat conductive silica gel, contact-making surface is also provided with phase-change material holding tank and is used for depositing phase-change material, and phase-change material absorbs the battery operated heat distributed.A kind of heat-dissipating aluminium plate for flexible-packed battery group provided by the invention, described battery pack comprises fixed L plate, insulating part, casing and battery module, described battery module comprises two pieces of ABS cleat insulators, number is the described heat-dissipating aluminium plate of 15, number is described packaging of soft packaged monomer and the battery connecting piece of 14, and the number of described battery connecting piece is 1-7, and one of them is bar shaped, a cuboid, five is rectangle; Described cuboid connector is provided with a fixing hole; Described rectangle connector is provided with the groove that 1-2 location hole and 1-2 stacks described battery pole ear, is provided with fixing hole 1-2 in described groove, described location hole and fixing hole perpendicular to this connector shaft to; Described battery connecting piece is positioned at described battery pack lug one end, and it is axially vertical with described cell, it is characterized in that described heat-dissipating aluminium plate is provided with the groove placing described cell, described groove is positioned on a side of described heat-dissipating aluminium plate, the degree of depth of described groove and the following semi-match of described single battery pole ears, described heat-dissipating aluminium plate is provided with at least one installing hole.
In first preferred embodiment of the present invention: described heat-dissipating aluminium plate and described groove are rectangle, the width of described rectangular recess is less than the width of described rectangle heat-dissipating aluminium plate, described groove is arranged on one end of described heat-dissipating aluminium plate, and the other end of described heat-dissipating aluminium plate is provided with 1-2 through hole.
In second preferred embodiment of the present invention: the contact-making surface of described groove and cell scribbles heat conductive silica gel.
In 3rd preferred embodiment of the present invention: the corner place of heat-dissipating aluminium plate is provided with 4 installing holes, the aperture of installing hole is 4-8 millimeter.
In 4th preferred embodiment of the present invention: groove and the contact-making surface of cell are provided with battery shaft to identical strip phase-change material accumulator tank.
In 5th preferred embodiment of the present invention: place phase-change material in described phase-change material accumulator tank, phase-change material is chosen according to battery operated Suitable ranges, and described temperature range is 25 ~ 35 DEG C.
In 6th preferred embodiment of the present invention: described phase-change material is inorganic solid-liquid or inorganic solid-solid phase transition material or Studies of Solid-solid Phase Change Materials.
Accompanying drawing explanation
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 connecting piece plate 1 provided by the invention;
Fig. 3 is: the structural representation of battery connecting piece plate 2 provided by the invention;
Fig. 4 is: the structural representation of battery connecting piece plate 3 provided by the invention;
Fig. 5 is: the structural representation of battery connecting piece plate 4 provided by the invention;
Fig. 6 is: the structural representation of battery connecting piece plate 5 provided by the invention;
Fig. 7 is: the structural representation of battery connecting piece plate 6 provided by the invention;
Fig. 8 is: the structural representation of battery connecting piece 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 as shown in Figure 1, as shown in Figure 1, this flexible-packed battery group comprises heat-dissipating aluminium plate, battery connecting piece, ABS cleat insulator, fixed L plate, insulating part and casing, multiple flexible package cell combines by above-mentioned device, forms flexible-packed battery group.The number of battery connecting piece provided by the invention is 1-7, and as illustrated in figs. 2 through 8, one of them is bar shaped to the concrete structure schematic diagram of battery connecting piece plate 1-plate 7, a cuboid, and five is rectangle; Cuboid connector is provided with a fixing hole; Rectangle connector is provided with the groove that 1-2 location hole and 1-2 stacks described battery pole ear, is provided with fixing hole 1-2 in groove, location hole and fixing hole perpendicular to this connector shaft to; Battery connecting piece is positioned at described battery pack lug one end, and axially vertical with cell.
As shown in Figure 9, as shown in Figure 9, this flexible package cell profile is cuboid to the concrete structure of flexible package cell, and skin is laminated aluminum film, and top has two lugs, is respectively anode ear and negative electrode lug.
Heat-dissipating aluminium plate is made up of commercial-purity aluminium, existing good thermal conduction characteristic has again certain hardness, the embodiment one of its structure as shown in Figure 10, as shown in Figure 10, a side of heat-dissipating aluminium plate is provided with groove, the degree of depth of groove and the following semi-match of single battery pole ears, this groove plays the effect to cell location, battery-heating face and groove surface fit tightly, be conducive to the heat radiation of battery, heat-dissipating aluminium plate is also provided with 1-4 installing hole, the aperture of installing hole is 4-8 millimeter, pull bar is connected and fixed comprising multiple heat-dissipating aluminium plate of cell and ABS cleat insulator and fixed L plate by these installing holes.
One end of heat-dissipating aluminium plate side is provided with through hole, through hole is parallel with the axis of cell, direction is contrary, the number of through hole is 1-2, be highly 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, 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, and as shown in Figure 11, 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, play a part to accelerate heat conduction, its concrete structure as shown in figure 12, Figure 12 is the structural representation of the embodiment three of heat-dissipating aluminium plate provided by the invention, and as shown in Figure 12, heat-dissipating aluminium plate is provided with groove near battery pole ear one end side, 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 as shown in figure 13, as shown in Figure 13, heat-dissipating aluminium plate side is provided with groove, the contact-making surface of groove and cell is provided with phase-change material accumulator tank, its schematic cross-section as shown in figure 14, as shown in Figure 14, phase-change material accumulator tank is to identical strip groove with battery shaft, phase-change material is placed in phase-change material accumulator tank groove, phase-change material can absorb the heat of battery generation when battery operated by phase transformation, choosing of phase-change material can according to battery operated Suitable ranges, phase-change material transition temperature range is at 25 ~ 35 DEG C, phase-change material can use inorganic solid-liquid, inorganic solid-solid phase transition material, Studies of Solid-solid Phase Change Materials.Place phase-change material in phase-change material holding tank and can make uniformity of temperature profile between cell, improve the consistency between each battery, and without the need to heat abstractors such as external fans.
Battery case is the packaging structure outside whole flexible-packed battery group, be the structural representation of battery case case lid as shown in figure 15, as shown in Figure 15, the front side of casing is provided with rectangle air inlet, this air inlet is in the lower end of cabinet front, 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 position, the through hole of heat-dissipating aluminium plate forms a cooling duct, cooling air is discharged by casing external fan via cooling duct by air inlet, advantageously in the heat radiation of battery, casing air inlet is corresponding with the position of the through hole of heat-dissipating aluminium plate with the position of air outlet, the situation that what Figure 15 provided is in 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 schematic diagram of battery module as shown in figure 16, as shown in Figure 16, battery module comprises two pieces of ABS cleat insulators, 15 heat-dissipating aluminium plates and 14 packaging of soft packaged monomers, every 2 heat-dissipating aluminium plates fix to clamp a packaging of soft packaged monomer by upper recess thereof groove.Be the schematic diagram of group of battery modules as shown in figure 17, as shown in Figure 17, group of battery modules to be fixed together by pull bar by the heat-dissipating aluminium plate of 3 ABS cleat insulators and inner 30 securing unit batteries thereof to be formed.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, the those of ordinary skill in described field is to be understood that: still can modify to the specific embodiment of the present invention or replace on an equal basis, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (1)
1. the heat-dissipating aluminium plate for flexible-packed battery group, described battery pack comprises fixed L plate, insulating part, casing and battery module, described battery module comprises two pieces of ABS cleat insulators, number is the described heat-dissipating aluminium plate of 15, number is packaging of soft packaged monomer and the battery connecting piece of 14, and the number of described battery connecting piece is 7, and one of them is bar shaped connector, a cuboid connector, five is rectangle connector; Described cuboid connector is provided with a fixing hole; Described rectangle connector is provided with the groove that 1-2 location hole and 1-2 stacks described battery pole ear, is provided with fixing hole 1-2 in described groove, the fixing hole on described location hole and described rectangle connector perpendicular to this rectangle connector shaft to; Described battery connecting piece is positioned at described battery pack lug one end, and it is axially vertical with described cell, it is characterized in that described heat-dissipating aluminium plate is provided with the groove placing described cell, described groove is positioned on a side of described heat-dissipating aluminium plate, the degree of depth of described groove and the following semi-match of described single battery pole ears;
Described heat-dissipating aluminium plate and described groove are rectangle, the width of described groove is less than the width of described heat-dissipating aluminium plate, described groove is arranged on one end of described heat-dissipating aluminium plate, and the other end of described heat-dissipating aluminium plate is provided with 1-2 through hole, and described via height is 5-10 centimetre;
The contact-making surface of described groove and cell scribbles heat conductive silica gel;
Heat-dissipating aluminium plate is also provided with 1-4 installing hole;
Described groove and the contact-making surface of cell are provided with battery shaft to identical strip phase-change material accumulator tank;
Place phase-change material in described phase-change material accumulator tank, phase-change material is chosen according to battery operated Suitable ranges, and described temperature range is 25 ~ 35 DEG C;
Described phase-change material is inorganic solid-liquid phase change material or inorganic solid-solid phase transition material or Studies of Solid-solid Phase Change Materials;
The aperture of described installing hole is 4-8 millimeter, and pull bar is connected and fixed comprising multiple heat-dissipating aluminium plate of cell and ABS cleat insulator and fixed L plate by these installing holes.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN102569935A CN102569935A (en) | 2012-07-11 |
| CN102569935B true CN102569935B (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210033886.0A Active CN102569935B (en) | 2012-02-15 | 2012-02-15 | Radiating aluminum plates for flexible package battery pack |
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| CN103138029A (en) * | 2013-03-06 | 2013-06-05 | 湖南大学 | Thermal management system of lithium battery in hybrid power vehicle |
| 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 |
| US10873111B2 (en) * | 2016-08-09 | 2020-12-22 | 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 |
| US10680297B2 (en) * | 2017-07-24 | 2020-06-09 | GM Global Technology Operations LLC | Tab cooling for pouch 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 |
| 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 |
| US10756398B2 (en) | 2018-06-22 | 2020-08-25 | 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 |
| US10593920B2 (en) | 2018-08-13 | 2020-03-17 | Wisk Aero Llc | Capacitance reduction in battery systems |
| 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 |
| CN111599959B (en) * | 2020-05-29 | 2022-04-15 | 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 |
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| CN2927335Y (en) * | 2006-04-26 | 2007-07-25 | 有量科技股份有限公司 | Battery with heat absorber |
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| CN202094186U (en) * | 2010-12-15 | 2011-12-28 | 深圳市中兴新通讯设备有限公司 | Energy-saving temperature-control accumulator cabinet |
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| CN102569935A (en) | 2012-07-11 |
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