CN207977389U - A kind of safety anti-explosive rectangular cell module - Google Patents

A kind of safety anti-explosive rectangular cell module Download PDF

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Publication number
CN207977389U
CN207977389U CN201820149359.9U CN201820149359U CN207977389U CN 207977389 U CN207977389 U CN 207977389U CN 201820149359 U CN201820149359 U CN 201820149359U CN 207977389 U CN207977389 U CN 207977389U
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CN
China
Prior art keywords
rectangular cell
pole
cell module
explosive
safety anti
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CN201820149359.9U
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Chinese (zh)
Inventor
徐士民
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Zhejiang Haichuang lithium battery technology Co.,Ltd.
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Zhejiang Mei Du Hai Chuang Lithium Electric Technology Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model is related to a kind of safety anti-explosive rectangular cell module, solution be short circuit when the technical issues of being easy explosion on fire, by using including the rectangular cell module being made of multiple rectangular cell monomers, and fusing connection strap;The Positive Poles of rectangular cell monomer are preferably resolved the problem, can be used in rectangular cell module by the connection strap connection that fuses, the cathode pole of rectangular cell monomer by the technical solution for the connection strap connection that fuses.

Description

A kind of safety anti-explosive rectangular cell module
Technical field
The utility model is related to battery technology fields, and in particular to a kind of safety anti-explosive rectangular cell module.
Background technology
Rectangular cell has many advantages, such as large capacity and is obtained on new energy electric motor vehicle power battery and energy storage station convenient for assembling To being more and more widely used.
Existing rectangular cell exists when short circuit occurs for large capacity rectangular cell, and easy explosion on fire causes considerable safety The technical issues of hidden danger.Therefore it provides a kind of reliability is high, the rectangular cell module of safety is with regard to necessary.
Utility model content
Technical problem to be solved in the utility model is that the skill of explosion on fire is easy when short circuit existing in the prior art Art problem.A kind of new safety anti-explosive rectangular cell module is provided, which does not allow when having short circuit Easily it is on fire, be not susceptible to explosion, safe feature.
In order to solve the above technical problems, the technical solution used is as follows:
A kind of safety anti-explosive rectangular cell module, the safety anti-explosive rectangular cell module include by multiple rectangular cell lists The rectangular cell module that body is constituted, and fusing connection strap;The Positive Poles of rectangular cell monomer are connected by the connection strap that fuses, The cathode pole of rectangular cell monomer passes through the connection strap connection that fuses.
The operation principle of the utility model:When short circuit occurs for battery, the fusing being uniformly arranged on the connection strap that fuses is insured Connection sheet can fuse in transcient short circuit time, cut off circuit, prevent battery catches fire from exploding.Prevent battery from occurring using accident.
In said program, for optimization, further, the fusing connection strap includes pole interconnecting piece and for connecting phase Connection sheet is insured in the fusing of adjacent pole interconnecting piece;It is provided with and hole size corresponding with pole position on the pole interconnecting piece Not less than the rectangular cell pole mounting hole of pole outer diameter.
Further, the fusing point of the fusing connection sheet is 125 DEG C.
Further, the safety anti-explosive rectangular cell module further include covering be arranged fusing connection strap outside it is explosion-proof Plate, bursting diaphragm are provided with upper cover outside;Bursting diaphragm includes U-shaped pole fixed mechanism and is arranged in U-shaped pole fixed mechanism empty The explosion-proof silo of position;U-shaped pole fixed mechanism is equipped with the side that the corresponding and hole size with pole position is not less than pole outer diameter Shape battery electrode column mounting hole.
Further, the explosion-proof silo is hollow cavity, and hollow cavity is made of low melting point polymer layer, in hollow cavity Filled with high-efficiency fire-extinguishant.
Further, it is provided with shockproof plate outside the side of the rectangular cell module conductive current collector, is arranged outside shockproof plate There is protective plate, casing cover is provided with outside protective plate.
Further, the shockproof plate includes shockproof plate mainboard, is provided between shockproof plate mainboard and protective plate multiple anti- Spring is shaken, antirattle spring one end is fixed on shockproof plate mainboard or on protective plate.
The beneficial effects of the utility model:
Effect one provides safety guarantee for rectangular cell module use, when short circuit occurs for battery, fuses on connection strap The fusing insurance connection sheet being uniformly arranged can fuse in transcient short circuit time, cut off circuit, prevent battery catches fire from exploding, prevent battery from making Occurred with accident.
Effect two, when explosion on fire occurs for rectangular cell, inside battery high temperature and high pressure gas is broken through on rectangular cell cover board When explosion-proof valve, the explosion-proof silo outer layer low melting point among the bursting diaphragm of fusing connection strap top and module upper cover lower part is set and is polymerize Nitride layer can be in instant melting, and the high-efficiency fire-extinguishant being arranged in explosion-proof silo can effectively prevent and reduce battery catches fire explosion to cause Danger.
Effect three, when battery modules under shock conditions, are arranged in the anti-of anti-rectangular cell module front and back end before and after equipment Shake plate can effectively reduce vibrations damage caused by battery modules.The utility model provides preferably to current rectangular cell module Safe handling ensures there is preferable application value.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1, the safety anti-explosive battery modular structure exploded perspective view of the utility model;
Fig. 2, the utility model fusing connection strap structural schematic diagram;
Fig. 3, the explosion-proof plate structure schematic diagram of the utility model.
In above-mentioned figure:1- rectangular cells, the shockproof plates of 2-, 2-1 are antirattle spring, 3- protective plates, 4- fusing connection straps, 4-1 For the first rectangular battery electrode column mounting hole, 4-2 is that connection sheet, 5- bursting diaphragms are insured in fusing, and 5-1 consolidates for the second rectangular battery electrode column Determine hole, 5-2 is explosion-proof silo, 6- protecgulums, 7- side covers, 8- upper covers.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining that this practicality is new Type is not used to limit the utility model.
Embodiment 1
The present embodiment provides a kind of safety anti-explosive rectangular cell module, such as Fig. 1, including rectangular cell 1, shockproof plate 2, protection Plate 3, fusing connection strap 4, bursting diaphragm 5, module protecgulum 6 and rear cover, side cover 7 and lower cover 8 and lower cover.Direction battery 1 is by more The Positive Poles of the rectangular cell module that a rectangular cell monomer is constituted, rectangular cell monomer pass through the connection strap connection that fuses, side The cathode pole of shape battery cell passes through the connection strap connection that fuses.
When short circuit occurs for battery, the fusing insurance connection sheet being uniformly arranged on the connection strap that fuses can be molten in transcient short circuit time It is disconnected, circuit is cut off, prevents battery catches fire from exploding, prevents battery from occurring using accident.
Referring to Figures 1 and 2, the fusing connection strap 4 is arranged above 1 positive and negative anodes pole of rectangular cell, and the fusing connects Narrow bars 4 are that rectangular cell positive and negative anodes pole is connected and fixed conductive current collector, and it is rectangular to be uniformly arranged first on the fusing connection strap 4 Battery electrode column mounting hole 4-1 is uniformly arranged fusing insurance connection sheet 4-2, first rectangular cell on the fusing connection strap 4 Pole mounting hole 4-1 is connected with fusing insurance connection sheet 4-2.
It is 125 DEG C of metal that fusing insurance connection sheet 4-2 materials, which are fusing points, on fusing connection strap 4, can by bismuth, antimony, Alloy made of the trace element such as tin.When battery occur short circuit when, fusing insurance connection sheet 4-2 temperature moments more than 125 DEG C and Fusing cuts off battery circuit, prevents battery short circuit explosion on fire.
Referring to Figure 1 and Figure 3, the setting of the bursting diaphragm 5 is described explosion-proof on fusing 4 top of connection strap and 8 lower part of module upper cover Both sides are uniformly arranged setting explosion-proof silo 5-2 among bursting diaphragm 5 described in the second rectangular battery electrode column mounting hole 5-1 on plate 5, described anti- Wharf explosion 5-2 is hollow cuboid, and outer layer is low melting point polymer layer, central filler high-efficiency fire-extinguishant.
When explosion time on fire occurs for rectangular cell 1,1 internal high temperature high pressure gas of rectangular cell, which is broken through, to be arranged in rectangular cell The explosion-proof silo 5-2 among the bursting diaphragm 5 of fusing 4 top of connection strap and 8 lower part of module upper cover is arranged in explosion-proof valve on 1 cover board Outer layer is that fusing point is 120 DEG C of low melting point polymer layers, and low melting point polymer layer can be molten in moment under high temperature and high pressure gas impact Change, the high-efficiency fire-extinguishant carbon tetrachloride being arranged in explosion-proof silo 5-2 immediately enters 1 explosion-proof valve of rectangular cell and is covered in battery table Face can effectively prevent and reduce danger caused by battery catches fire explosion.
The setting of shockproof plate 2 is arranged in rectangular cell module front end, rear end either lower end in rectangular cell and protecgulum Shockproof plate 2 can be arranged as long as not being provided at the side of pole in corresponding side, and 2 lateral surface of shockproof plate is equal Even setting antirattle spring 2-1.When battery modules under front and back shock conditions, are arranged before anti-rectangular cell module in equipment operation The shockproof plate of rear end can effectively reduce vibrations damage caused by battery modules, and when vertical tremor, the shockproof plate of lower section can resist Vibrations.
It is uniformly arranged on the shockproof 2 lateral surface antirattle spring 2-1 of plate in rectangular cell module front and back end, starts and stops in electric vehicle Che Shi, module caused by can effectively reducing electric vehicle start and stop inertia shake, and prevent battery module mechanical damage, protect power electric Pond module.
By it was verified that the utility model battery short circuit, it is on fire explosion and vibrations under the conditions of, can effectively prevent or Reduce cell safety accident to occur, reduces casualties and property loss.Although illustrative to the utility model specific above Embodiment is described, and in order to those skilled in the art it will be appreciated that the utility model, but this practicality is new Type is not limited only to the range of specific implementation mode, for those skilled in the art, as long as long as various change In the spirit and scope of the utility model that the attached claims limit and determine, all utilize the reality of the utility model design With novel creation in the row of protection.

Claims (7)

1. a kind of safety anti-explosive rectangular cell module, it is characterised in that:The safety anti-explosive rectangular cell module includes by multiple The rectangular cell module and two fusing connection straps (4) that rectangular cell monomer is constituted, further include being located on rectangular cell module The upper cover of side is provided with Positive Poles and cathode pole on upper lid;
One fusing connection strap (4) connects the positive conductive collector of rectangular battery cell, and connects with the Positive Poles on upper lid It connects;Another fusing connection strap (4) connects the negative conductive collector of rectangular battery cell, and connects with the cathode pole on upper lid It connects.
2. safety anti-explosive rectangular cell module according to claim 1, it is characterised in that:Fusing connection strap (4) packet It includes pole interconnecting piece and connection sheet (4-2) is insured in the fusing for connecting adjacent pole interconnecting piece;The pole interconnecting piece On be provided with rectangular cell pole mounting hole corresponding with positive conductive collector or negative conductive afflux body position, rectangular cell The internal orifice dimension of pole mounting hole is more than pole diameter.
3. safety anti-explosive rectangular cell module according to claim 2, it is characterised in that:The fusing point of the fusing connection sheet It is 125 DEG C.
4. according to any safety anti-explosive rectangular cell modules of claim 1-3, it is characterised in that:The safety anti-explosive side Shape battery module further includes bursting diaphragm (5) of the covering setting on fusing connection strap (4), and bursting diaphragm is provided with upper cover on (5);It is anti- Plate bursting (5) includes U-shaped pole fixed mechanism and the explosion-proof silo (5-2) of the empty position in U-shaped pole fixed mechanism is arranged;It is U-shaped Pole fixed mechanism is equipped with the rectangular cell pole mounting hole that the corresponding and hole size with pole position is not less than pole outer diameter.
5. safety anti-explosive rectangular cell module according to claim 4, it is characterised in that:The explosion-proof silo (5-2) is sky Chambers of the heart body, hollow cavity are made of low melting point polymer layer, and high-efficiency fire-extinguishant is filled in hollow cavity.
6. safety anti-explosive rectangular cell module according to claim 4, it is characterised in that:The rectangular cell module is without leading It is provided with shockproof plate (2) outside the side of electrojet body, protective plate (3) is provided with outside shockproof plate (2), is provided with outside protective plate (3) Casing cover.
7. safety anti-explosive rectangular cell module according to claim 6, it is characterised in that:The shockproof plate (2) includes anti- Plate (2) mainboard is shaken, multiple antirattle spring (2-1), antirattle spring (2-1) are provided between shockproof plate (2) mainboard and protective plate (3) One end is fixed on shockproof plate (2) mainboard or on protective plate (3).
CN201820149359.9U 2018-01-29 2018-01-29 A kind of safety anti-explosive rectangular cell module Active CN207977389U (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111342355A (en) * 2020-03-30 2020-06-26 上海蓉创科技有限公司 High-voltage explosion-proof power distribution cabinet
WO2020135073A1 (en) * 2018-12-28 2020-07-02 宁德时代新能源科技股份有限公司 Thermal management device, battery pack, and new energy vehicle
CN112447976A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module and system comprising same
CN112447974A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module
CN112448078A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module
CN112448077A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module
CN112447975A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module
CN112448079A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module
CN112448076A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module
CN115882149A (en) * 2023-02-22 2023-03-31 深圳市柯讯科技有限公司 Battery pack based on fire prevention and explosion prevention
EP4075589A4 (en) * 2020-10-19 2023-05-03 Jiangsu Contemporary Amperex Technology Limited Battery, electric device, and battery manufacturing method and device
US11764438B2 (en) 2019-09-05 2023-09-19 Samsung Sdi Co., Ltd. Energy storage module having extinguisher sheet
US11764430B2 (en) 2019-09-05 2023-09-19 Samsung Sdi Co., Ltd. Energy storage module
US11771935B2 (en) 2019-09-05 2023-10-03 Samsung Sdi Co., Ltd. Energy storage module

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020135073A1 (en) * 2018-12-28 2020-07-02 宁德时代新能源科技股份有限公司 Thermal management device, battery pack, and new energy vehicle
EP3800727A1 (en) * 2019-09-05 2021-04-07 Samsung SDI Co., Ltd. Energy storage module
US11771935B2 (en) 2019-09-05 2023-10-03 Samsung Sdi Co., Ltd. Energy storage module
CN112447974A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module
CN112448078A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module
CN112448077A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module
CN112447975A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module
CN112448079A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module
CN112448076A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module
EP3790102A1 (en) * 2019-09-05 2021-03-10 Samsung SDI Co., Ltd. Energy storage module
EP3790101A1 (en) * 2019-09-05 2021-03-10 Samsung SDI Co., Ltd. Energy storage module
EP3792998A1 (en) * 2019-09-05 2021-03-17 Samsung SDI Co., Ltd. Energy storage module
EP3793000A1 (en) * 2019-09-05 2021-03-17 Samsung SDI Co., Ltd. Energy storage module
US11848461B2 (en) 2019-09-05 2023-12-19 Samsung Sdi Co., Ltd. Energy storage module
CN112447976A (en) * 2019-09-05 2021-03-05 三星Sdi株式会社 Energy storage module and system comprising same
EP3792999A1 (en) * 2019-09-05 2021-03-17 Samsung SDI Co., Ltd. Energy storage module
US11569546B2 (en) 2019-09-05 2023-01-31 Samsung Sdi Co., Ltd. Energy storage module
CN112448078B (en) * 2019-09-05 2023-03-14 三星Sdi株式会社 Energy storage module
US11799167B2 (en) 2019-09-05 2023-10-24 Samsung Sdi Co., Ltd. Energy storage module having extinguisher sheet
US11145933B2 (en) 2019-09-05 2021-10-12 Samsung Sdi Co., Ltd. Energy storage module
CN112448079B (en) * 2019-09-05 2023-06-06 三星Sdi株式会社 Energy storage module
US11728541B2 (en) 2019-09-05 2023-08-15 Samsung Sdi Co., Ltd. Energy storage module
US11735795B2 (en) 2019-09-05 2023-08-22 Samsung Sdi Co., Ltd. Energy storage module
US11735788B2 (en) 2019-09-05 2023-08-22 Samsung Sdi Co., Ltd. Energy storage module including insulation spacers and an extinguisher sheet
US11764438B2 (en) 2019-09-05 2023-09-19 Samsung Sdi Co., Ltd. Energy storage module having extinguisher sheet
US11764430B2 (en) 2019-09-05 2023-09-19 Samsung Sdi Co., Ltd. Energy storage module
CN111342355A (en) * 2020-03-30 2020-06-26 上海蓉创科技有限公司 High-voltage explosion-proof power distribution cabinet
EP4075589A4 (en) * 2020-10-19 2023-05-03 Jiangsu Contemporary Amperex Technology Limited Battery, electric device, and battery manufacturing method and device
CN115882149A (en) * 2023-02-22 2023-03-31 深圳市柯讯科技有限公司 Battery pack based on fire prevention and explosion prevention

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Address after: 312300 No. 5 Weiqi East Road, Hangzhou Bay Economic and Technological Development Zone, Shangyu District, Shaoxing City, Zhejiang Province

Patentee after: Zhejiang Haichuang lithium battery technology Co.,Ltd.

Address before: 312300 No. 5 Weiqi East Road, Hangzhou Bay Economic and Technological Development Zone, Shangyu District, Shaoxing City, Zhejiang Province

Patentee before: ZHEJIANG MEIDU HAICHUANG LITHIUM ELECTRICITY TECHNOLOGY Co.,Ltd.