CN212011075U - Soft-package battery module protective cover - Google Patents
Soft-package battery module protective cover Download PDFInfo
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- CN212011075U CN212011075U CN202020715500.4U CN202020715500U CN212011075U CN 212011075 U CN212011075 U CN 212011075U CN 202020715500 U CN202020715500 U CN 202020715500U CN 212011075 U CN212011075 U CN 212011075U
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- Prior art keywords
- battery module
- soft
- package battery
- fire
- laminate polymer
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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 utility model discloses a laminate polymer battery module protection casing, laminate polymer battery module protection casing are the protection casing of adopting fire prevention thermal insulation material to make for left surface, right flank, leading flank, trailing flank and the top surface of parcel laminate polymer battery module, the top surface both ends of laminate polymer battery module protection casing are equipped with respectively and lead the burner. The utility model discloses a laminate polymer battery module protection casing can prevent laminate polymer battery module thermal runaway in the battery package effectively, and the security is good, simple structure and practicality are strong.
Description
Technical Field
The utility model belongs to the technical field of the laminate polymer battery module protection technique and specifically relates to a laminate polymer battery module protection casing is related to.
Background
The lithium ion power battery shows a rapid development trend in recent years, and meanwhile, some safety problems which cannot be ignored appear, wherein thermal runaway is the most serious safety accident of the lithium ion power battery and directly threatens the life safety of users.
Although the battery can be monitored, managed and controlled by the battery management system, in the practical application process, due to the complexity of working conditions, human factors, irresistible factors and the like, various sudden phenomena are inevitably generated, for example, the battery is extruded, collided, punctured by sharp objects and other accidents, so that the short circuit and the fire of the individual battery are caused.
When the battery short circuit in certain battery module in the battery package is on fire at present, if this battery module thermal runaway can influence other adjacent battery modules, let other battery modules also take place the accident of striking a fire.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a laminate polymer battery module protection casing can prevent laminate polymer battery module thermal runaway in the battery package effectively, and the security is good, simple structure and practicality are strong.
According to the utility model discloses a laminate polymer battery module protection casing, laminate polymer battery module protection casing is the protection casing that adopts fire prevention thermal insulation material to make for left surface, right flank, leading flank, trailing flank and the top surface of parcel laminate polymer battery module, the top surface both ends of laminate polymer battery module protection casing are equipped with respectively leads the burner.
According to the soft-package battery module protective cover of the embodiment of the utility model, because the protective cover of the soft-package battery module is made of fireproof materials and the fire guide openings are arranged at the two ends of the top of the protective cover of the soft-package battery module, after the protective cover of the soft-package battery module is covered on the soft-package battery module, the left side surface, the right side surface, the front side surface, the back side surface and the top surface of the soft-package battery module can be wrapped, thus, when the soft-package battery module in the battery pack is ignited, the protective cover of the soft-package battery module can lead the fire to be fleed out along the fire guide openings to prevent the fire from spreading outwards, meanwhile, the soft-package battery module which is not ignited and is adjacent to the soft-package battery module which is ignited can be wrapped by another protective cover of the soft-package battery module, thereby, the other soft-package battery modules which are not ignited and are adjacent to the soft-package battery module which is ignited can be prevented from being ignited better from being ignited, the safety is good, the structure is simple and the practicability is strong. The size of laminate polymer battery module protection casing can be adjusted according to the size of laminate polymer battery module, like this, does not influence the structure and the battery trend of laminate polymer battery module.
According to the utility model discloses an embodiment, lead the burner and be the long hole shape, the length direction who leads the burner is located the front and back orientation.
According to the utility model discloses an embodiment, laminate polymer battery module protection casing be equipped with on the top surface with the fire guide mouth apron of fire guide mouth one-to-one, the fire guide mouth apron is in close the correspondence when laminate polymer battery module is in the normality lead the fire guide mouth and be in when laminate polymer battery module is on fire because of laminate polymer battery module protection casing internal pressure risees and opens the correspondence automatically lead the fire guide mouth.
According to the utility model discloses further embodiment, the fire guide apron with laminate polymer battery module protection casing top surface pivotal connection.
According to the utility model discloses further embodiment, it is in to lead the fire door apron the laminate polymer battery module is closed when being in the normality and corresponds lead during the fire door with the top surface bonding of laminate polymer battery module is fixed.
According to the utility model discloses still further embodiment, the fire guide apron with bonding strength between the top surface of laminate polymer battery module is 0.1 ~ 0.25 MPa.
According to the utility model discloses an embodiment, the left surface or/and the right flank of laminate polymer battery module protection casing be equipped with the copper bar complex copper bar connecting hole of laminate polymer battery module.
According to the utility model discloses further embodiment, the copper bar connecting hole with cooperation between the copper bar of laminate polymer battery module is interference fit.
According to the utility model discloses an embodiment, the left surface or/and the right flank of laminate polymer battery module protection casing be equipped with laminate polymer battery module's collection pencil complex collection pencil connecting hole.
According to the utility model discloses further embodiment, gather the pencil connecting hole with gather cooperation between the pencil for interference fit.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is the utility model discloses laminate polymer battery module protection casing's schematic structure view.
Fig. 2 is the utility model discloses schematic diagram when opening of leading fire mouthful apron of laminate polymer battery module protection casing.
Fig. 3 is the utility model discloses laminate polymer battery module protection casing uses the schematic diagram on the battery package.
Reference numerals:
soft-package battery module protection casing 1000
Fire-leading mouth cover plate 2
Copper bar connecting hole 3
Collecting harness connection hole 4
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
The pouch battery module protective cover 1000 according to an embodiment of the present invention is described below with reference to fig. 1 to 3.
As shown in fig. 1 to 3, according to the utility model discloses a laminate polymer battery module protection casing 1000, laminate polymer battery module protection casing 1000 is the protection casing of adopting fire prevention thermal insulation material to make for left surface, right flank, leading flank, trailing flank and the top surface of parcel laminate polymer battery module, laminate polymer battery module protection casing 1000's top surface both ends are equipped with respectively and lead burner 1.
According to the soft-package battery module protection cover 1000 of the embodiment of the utility model, since the soft-package battery module protection cover 1000 is made of fireproof material and the fire guide openings 1 are respectively arranged at the two ends of the top surface of the soft-package battery module protection cover 1000, when the soft-package battery module protection cover 1000 is covered on the soft-package battery module, the left side surface, the right side surface, the front side surface, the back side surface and the top surface of the soft-package battery module can be wrapped, so that when the soft-package battery module in the battery pack is ignited, the soft-package battery module protection cover 1000 can make the fire break out along the fire guide openings 1 to prevent the fire break from spreading outwards, and meanwhile, the soft-package battery module adjacent to the soft-package battery module with the fire is wrapped by another soft-package battery module protection cover 1000, thereby preventing other soft-package battery modules adjacent to the soft-package battery module with the fire from being ignited better from being ignited to be ignited and avoiding influencing other adjacent modules, effectively prevent the thermal runaway of the soft package battery module in the battery protection, and has the advantages of good safety, simple structure and strong practicability. The size of laminate polymer battery module protection casing 1000 can be adjusted according to the size of laminate polymer battery module, like this, does not influence the structure and the battery trend of laminate polymer battery module.
According to the utility model discloses further embodiment, lead burner 1 and be the long hole shape, lead the length direction of burner 1 and be located the front and back orientation. Like this, lead fire door 1 rational in infrastructure, when laminate polymer battery module is on fire, can derive the fire in time.
According to the utility model discloses an embodiment is equipped with on the top surface of laminate polymer battery module protection casing 1000 and leads the fire mouth apron 2 with leading the 1 one-to-one of fire mouth, leads fire mouth apron 2 and closes opening 1 that corresponds when laminate polymer battery module is in the normality and because of laminate polymer battery module protection casing 1000 internal pressure risees and open the fire mouth 1 that corresponds automatically when the laminate polymer battery module is on fire. It can be understood that when the soft package battery module normally works, the fire-leading opening cover plate 2 covers the fire-leading opening 1, so that dust or other impurities can be prevented from entering the soft package battery module protective cover, and the normal work of the soft package battery module is prevented from being influenced; when the laminate polymer battery module is on fire, laminate polymer battery module protection casing 1000 internal pressure risees for leading fire mouthful apron 2 to be lifted, the intensity of a fire can be in the same direction as two and lead 1 scurrings of fire mouth, and the fire mouth apron 2 of leading of laminate polymer battery module protection casing 1000 on the laminate polymer battery module that other are not on fire is closed, has avoided other laminate polymer battery modules that are not on fire in the battery package to be ignited.
According to the utility model discloses an embodiment, the top surface pivotal connection of fire guide apron 2 and laminate polymer battery module protection casing 1000. From this, when laminate polymer battery module catches fire, laminate polymer battery module protection casing 1000 internal pressure risees for fire guide opening apron 2 is lifted, can avoid fire guide opening apron 2 to fly away and cause the unnecessary striking.
According to the utility model discloses an embodiment, it is fixed with the top surface bonding of laminate polymer battery module to lead fire door apron 2 when laminate polymer battery module closes corresponding leading fire door 1 when being in the normality. Thereby, the structural reliability is increased.
According to the utility model discloses still further embodiment, the bonding strength between the top surface of fire guide apron 2 and laminate polymer battery module is 0.1 ~ 0.25 MPa. From this, when the laminate polymer battery module is on fire, laminate polymer battery module protection casing 1000 internal pressure risees, can lift and lead fire door apron 2, makes fire can scurry out from leading fire door 1 in the same time, avoids the fire lateral to stretching, avoids other laminate polymer batteries that do not fire in the battery package to be ignited.
According to the utility model discloses an embodiment, laminate polymer battery module protection casing 1000 adopts the protection casing that mica plate, aerogel or silicate material made. It can be understood that mica plate, aerogel or silicate material are fire prevention thermal insulation material, and when the laminate polymer battery module catches fire, it is thermal-insulated to prevent effectively to prevent the intensity of a fire from igniting other laminate polymer battery modules that do not catch fire, and simultaneously, laminate polymer battery module protection casing 1000 is difficult to be damaged by high temperature, long service life, and the security is good.
According to the utility model discloses an embodiment, laminate polymer battery module protection casing 1000's left surface and/or right flank be equipped with laminate polymer battery module's copper bar complex copper bar connecting hole 3. It can be understood that the copper bar connecting holes 3 serve as mounting holes of series copper bars between the soft-package battery modules, and the requirements for the layout of the series copper bars between the soft-package battery modules can be met.
According to the utility model discloses further embodiment, the cooperation between the copper bar of copper bar connecting hole 3 and laminate polymer battery module is interference fit. From this, when laminate polymer battery module thermal runaway started on fire in the battery was protected, can avoid the fire to follow the cooperation junction drunkenness between copper bar connecting hole 3 and the copper bar, prevent that the fire side from stretching.
According to the utility model discloses an embodiment, laminate polymer battery module protection casing 1000's left surface and/or right flank are equipped with and laminate polymer battery module's collection pencil complex collection pencil connecting hole 4. It can be understood that the requirement of collecting line arrangement can be met by arranging the collecting wire harness connecting hole 4.
According to the utility model discloses further embodiment, gather between pencil connecting hole 4 and the collection line interference fit. From this, when laminate polymer battery module thermal runaway started in the battery package, can avoid the fire to follow the cooperation junction scurrying between collection pencil connecting hole 4 and the collection pencil, prevent the fire side to stretching.
As shown in fig. 3, the application of the pouch battery module protection cover 1000 according to the embodiment of the present invention to the battery pack 2000 is described below. The battery pack 2000 comprises a plurality of soft-package battery modules and a plurality of soft-package battery module protective covers 1000 as in the embodiment of the present invention, wherein the plurality of soft-package battery modules are sequentially arranged adjacently; the soft-package battery module protective covers 1000 wrap the left side, right side, front side, rear side and top surface of the soft-package battery modules in a one-to-one correspondence manner.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a laminate polymer battery module protection casing, a serial communication port, laminate polymer battery module protection casing is the protection casing that adopts fire prevention thermal insulation material to make for left surface, right flank, leading flank, trailing flank and the top surface of parcel laminate polymer battery module, the top surface both ends of laminate polymer battery module protection casing are equipped with respectively leads the burner.
2. The soft-package battery module protective cover according to claim 1, wherein the flame guide opening is in a shape of a long hole, and the length direction of the flame guide opening is located in the front-back direction.
3. The protective cover for the soft package battery module according to claim 1, wherein a fire guide cover plate corresponding to the fire guide openings in a one-to-one manner is arranged on the top surface of the protective cover for the soft package battery module, and the fire guide cover plate closes the corresponding fire guide openings when the soft package battery module is in a normal state and automatically opens the corresponding fire guide openings when the soft package battery module is on fire due to the rise of the pressure in the protective cover for the soft package battery module.
4. The pouch battery module protection hood according to claim 3, wherein the fire-port cover plate is pivotally connected to the top surface of the pouch battery module protection hood.
5. The protective cover for the soft package battery module according to claim 3, wherein the fire-leading opening cover plate is fixedly bonded with the top surface of the soft package battery module when the corresponding fire-leading opening is closed when the soft package battery module is in a normal state.
6. The protective cover for the soft package battery module according to claim 5, wherein the bonding strength between the fire-guiding opening cover plate and the top surface of the soft package battery module is 0.1-0.25 MPa.
7. The soft-package battery module protection cover according to claim 1, wherein the left side face or/and the right side face of the soft-package battery module protection cover is/are provided with copper bar connecting holes matched with copper bars of the soft-package battery module.
8. The soft-package battery module protective cover according to claim 7, wherein the copper bar connecting hole is in interference fit with the copper bar of the soft-package battery module.
9. The protective cover for the soft package battery module according to claim 1, wherein a collecting harness connecting hole matched with a collecting harness of the soft package battery module is formed in the left side face or/and the right side face of the protective cover for the soft package battery module.
10. The pouch battery module shield of claim 9, wherein the collection harness attachment hole is an interference fit with the collection harness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715500.4U CN212011075U (en) | 2020-04-30 | 2020-04-30 | Soft-package battery module protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715500.4U CN212011075U (en) | 2020-04-30 | 2020-04-30 | Soft-package battery module protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212011075U true CN212011075U (en) | 2020-11-24 |
Family
ID=73410367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020715500.4U Expired - Fee Related CN212011075U (en) | 2020-04-30 | 2020-04-30 | Soft-package battery module protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212011075U (en) |
-
2020
- 2020-04-30 CN CN202020715500.4U patent/CN212011075U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 Termination date: 20210430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |