CN207977389U - A kind of safety anti-explosive rectangular cell module - Google Patents
A kind of safety anti-explosive rectangular cell module Download PDFInfo
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- 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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- Prior art keywords
- rectangular cell
- pole
- cell module
- explosive
- safety anti
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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
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
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).
Priority Applications (1)
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CN201820149359.9U CN207977389U (en) | 2018-01-29 | 2018-01-29 | A kind of safety anti-explosive rectangular cell module |
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CN201820149359.9U CN207977389U (en) | 2018-01-29 | 2018-01-29 | A kind of safety anti-explosive rectangular cell module |
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Cited By (14)
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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 |
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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 |
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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 |
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US11771935B2 (en) | 2019-09-05 | 2023-10-03 | Samsung Sdi Co., Ltd. | Energy storage module |
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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 |
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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 |
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US11735795B2 (en) | 2019-09-05 | 2023-08-22 | Samsung Sdi Co., Ltd. | Energy storage module |
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US11764438B2 (en) | 2019-09-05 | 2023-09-19 | Samsung Sdi Co., Ltd. | Energy storage module having extinguisher sheet |
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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. |