CN215451589U - Battery package and vehicle - Google Patents
Battery package and vehicle Download PDFInfo
- Publication number
- CN215451589U CN215451589U CN202120571490.6U CN202120571490U CN215451589U CN 215451589 U CN215451589 U CN 215451589U CN 202120571490 U CN202120571490 U CN 202120571490U CN 215451589 U CN215451589 U CN 215451589U
- Authority
- CN
- China
- Prior art keywords
- explosion
- battery
- battery pack
- proof valve
- electric core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
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
Landscapes
- Battery Mounting, Suspending (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model provides a battery pack, includes sealed lid, tray, the tray with sealed lid forms holds the chamber, the battery module is located hold the intracavity, the battery module includes curb plate and a plurality of electric core, the curb plate is established a plurality of electric core opposite sides, electric core is equipped with electric core explosion-proof valve, a serial communication port, it is equipped with the collection space to hold intracavity portion, the curb plate is equipped with first exhaust passage, first exhaust passage's entry with electric core explosion-proof valve corresponds, first exhaust passage's export with collect the space intercommunication, it is equipped with battery pack explosion-proof. When the battery cell explosion-proof valve in the battery pack is triggered, the gas rushing out of the battery cell explosion-proof valve can be directionally conveyed to the battery pack explosion-proof piece, so that the battery pack explosion-proof piece can be triggered in time.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a battery pack and a vehicle.
Background
With the development and popularization of new energy automobiles, the safety of the new energy automobiles also gets general attention of people, and the safety of battery packs in the new energy automobiles is a main factor for restricting the safety of the new energy automobiles. The existing battery pack usually comprises a plurality of battery modules, the battery modules comprise a plurality of battery cores, when the battery cores break down to generate gas and the like, and the explosion-proof valves of the battery cores are triggered, the gas rushing out of the explosion-proof valves of the battery cores can still be filled in the whole battery pack, so that the rising of the internal gas pressure of the battery pack is caused, and the safety of other battery cores can be influenced. Only when being filled with in the battery package and having repelled more gas, can trigger the explosion-proof valve of battery package for these gas flows outside the battery package, avoids the emergence of incident, nevertheless also means this moment and has had more electric core damaged, has caused the waste of electric core.
Disclosure of Invention
When the explosion-proof valve of battery package was triggered for solving among the prior art, caused the impaired technical problem of more electric core, this application provides a battery package and vehicle, the electric core explosion-proof valve in this battery package is when being triggered and release gas, this part gas can be directionally carried to battery package explosion-proof piece department to can in time trigger battery package explosion-proof piece, let people can in time discover the electric core that damages, thereby can avoid other electric cores to receive the influence and damage.
For realizing the above-mentioned purpose, the first aspect, this application provides a battery package, including sealed lid, tray, the tray with sealed lid forms and holds the chamber, the battery module is located hold the intracavity, the battery module includes curb plate and a plurality of electric core, the curb plate is established a plurality of electric core relative both sides, electric core is equipped with electric core explosion-proof valve, a serial communication port, it is equipped with the collection space to hold intracavity portion, the curb plate is equipped with first exhaust passage, first exhaust passage's entry with electric core explosion-proof valve corresponds, first exhaust passage's export with collect the space intercommunication, it is equipped with battery package explosion-proof to collect the space.
Compared with the prior art, the battery pack provided by the application has the advantages that the first exhaust channel is arranged on the side plate of the battery module, the inlet of the first exhaust channel corresponds to the battery cell explosion-proof valve, so that the gas rushing out of the battery cell explosion-proof valve can only enter the first exhaust channel through the inlet of the first exhaust channel instead of being filled in the whole battery pack, the influence of the part of gas on other battery cells in the battery pack can be avoided, the outlet of the first exhaust channel is communicated with the collecting space in the accommodating cavity, namely the collecting space can be used for collecting the gas entering from the first exhaust channel, the battery pack explosion-proof piece is arranged in the collecting space, when the gas pressure in the collecting space reaches the limit value of the battery pack explosion-proof piece, the battery pack explosion-proof piece can be triggered, the part of gas is exhausted out of the accommodating cavity of the battery pack, and a user can notice that the battery pack breaks down in time, therefore, the damaged battery cell can be processed, more battery cells are prevented from being involved, and waste caused by battery cell damage is avoided. If there is no collection space, more gas is needed to trigger the explosion-proof valve of the battery pack, which means that more cells are damaged, resulting in waste.
In some embodiments of the present invention, the collecting space is formed between the sealing cover and the battery module, or the collecting space is formed between the tray and the battery module.
In some embodiments of the present application, the sealing cover protrudes with a frame in a direction close to the battery module, and the frame and the battery module form the collecting space.
In some embodiments of the present application, the collecting space is provided with an air inlet, and the air inlet is located on the frame.
In some embodiments of the present application, a portion of the side plate corresponding to the electrical core explosion-proof valve protrudes from the side plate along a direction away from the electrical core explosion-proof valve to form the first exhaust channel, or a portion of the side plate corresponding to the electrical core explosion-proof valve is recessed along a direction away from the electrical core explosion-proof valve to form the first exhaust channel.
In some embodiments of this application, the curb plate is embedded to have the pipeline, the curb plate with one side that electric core explosion-proof valve corresponds is equipped with the access hole, the access hole with the pipeline intercommunication forms first exhaust passage.
In some embodiments of this application, the battery module still includes the centre sill, electric core sets up the both sides of centre sill, the centre sill is equipped with second exhaust passage, the entry of second exhaust passage with the explosion-proof valve of electric core corresponds, the export of second exhaust passage with collect the space intercommunication.
In some embodiments of this application, the inside cavity that is equipped with of centre sill, the cavity forms second exhaust passage, the centre sill with one side that the explosion-proof valve of electricity core corresponds is equipped with first exhaust hole, first exhaust hole forms the entry of second exhaust passage, the centre sill closes on one side in collection space is equipped with the second exhaust hole, the second exhaust hole forms the export of second exhaust passage.
In a second aspect, the present application provides a vehicle comprising the battery pack described above.
Additional aspects and advantages of the present application 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 present application.
Drawings
Fig. 1 is an exploded view of a battery pack according to an embodiment of the present application;
fig. 2 is a schematic view illustrating a battery module according to an embodiment of the present disclosure;
fig. 3 is a partially enlarged view of a battery module according to an embodiment of the present application;
FIG. 4 is a schematic view of a sealing cover of a battery pack according to an embodiment of the present application;
FIG. 5 is a cross-sectional view of a side plate according to one embodiment of the present application;
fig. 6 is a schematic view of a battery module according to another embodiment of the present disclosure;
fig. 7 is a partially enlarged view of a battery module according to another embodiment of the present application;
reference numerals
A battery pack 100; a sealing cover 1; a frame 11; a tray 2; a battery module 3; side plates 31; the first exhaust passage 311; a first exhaust passage inlet 3111; a first exhaust passage outlet 3112; an electrical core 32; a cell explosion-proof valve 321; a center beam 33; the second exhaust passage 331; a second exhaust passage inlet 3311; a second exhaust passage outlet 3312; a collection space 4; and a battery pack explosion-proof piece 5.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 1-3, the present application provides a battery pack 100, which includes a sealing cover 1, a tray 2 and a battery module 3, wherein the sealing cover 1 and the tray 2 can form a containing cavity after being combined, the battery module 3 is disposed in the containing cavity, the battery module 3 further includes a plurality of cells 32 and a side plate 31, the side plate 31 is disposed on two sides of the plurality of cells 32 and fixed as a group to form the battery module 3, the cells 32 include a cell casing, a cell explosion-proof valve 321 is disposed on the cell casing for releasing air pressure inside the cells 32, the side plate 31 of the battery module 3 is provided with a first exhaust passage 311, an inlet 3111 of the first exhaust passage corresponds to the cell explosion-proof valve 321, an outlet 3112 of the first exhaust passage is communicated with a collecting space 4, the collecting space 4 is disposed inside the containing cavity, the collecting space 4 is provided with a battery pack explosion-proof member 5, the battery pack explosion-proof member 5 can be used for releasing pressure inside the battery pack 100, the safety of the battery pack 100 is ensured.
Therefore, the battery pack 100 provided by the present application, when the battery cell 32 inside the battery pack 100 fails to generate gas, etc., the internal gas pressure of the battery cell 32 increases, so as to trigger the battery cell explosion-proof valve 321, because the battery cell explosion-proof valve 321 corresponds to the inlet 3111 of the first exhaust passage, the gas rushing out of the battery cell explosion-proof valve 321 can enter the first exhaust passage 311 through the inlet 3111 of the first exhaust passage, thereby preventing the gas from diffusing inside the whole battery pack and affecting the battery cells with good gas performance, and causing damage to other battery cells 32. Furthermore, the gas entering the first exhaust channel 311 enters the collecting space 4 inside the battery pack along the first exhaust channel 311, and the collecting space 4 is used for collecting the gas discharged from the battery cells 32. Because the battery pack explosion-proof piece 5 is arranged in the collecting space 4, when the gas pressure caused by the gas collected in the collecting space 4 is enough to trigger the battery pack explosion-proof piece 5, the battery pack explosion-proof piece 5 is triggered. Because the volume of collecting space 4 is less than the volume of the inside cavity of battery package, therefore, the required gas volume of battery package explosion-proof piece 5 in triggering collecting space 4 will be less than the required gas volume of triggering battery package explosion-proof valve among the prior art to battery package explosion-proof piece 5 in this application can be timely triggered, and also can not have more electric core 32 to damage when triggering, has avoided electric core 32's waste.
In some embodiments of the present application, the collecting space 4 may be formed between the sealing cover 1 and the battery modules 3, or the collecting space 4 may be formed between the tray 2 and the battery modules 3. As shown in fig. 4, the sealing cover 1 includes a top plate and a side wall protruding from the top plate along a direction close to the tray 2, the side wall is located at the periphery of the top plate, a frame 11 is further disposed on the top plate, and the frame 11 protrudes from the top plate along a direction close to the battery module 3, when the battery pack is assembled, the frame 11 on the sealing cover 1 can be in close contact with the battery module 3 to form a collecting space 4, that is, the collecting space 4 is formed by combining the frame 11, the sealing cover 1 and the battery module 3. Further, the frame 22 of the sealing cover 1 is in close contact with the edge of the battery module 3, so that the volume of the formed collecting space 4 is moderate, and the amount of gas required to trigger the battery pack explosion-proof member 5 is also moderate.
In some embodiments of the present application, the collecting space 4 is provided with air intake holes, and the air intake holes are located on the frame 11.
Collect curb plate 31 that frame 11 is closest to battery module 3 in the space 4, and first exhaust passage 311 is close to frame 11 promptly, sets up the inlet port on frame 11, and the intercommunication of the export 3112 of the first exhaust passage of being convenient for and the inlet port of collecting the space 4 has also shortened gaseous distance that gets into in collecting the space 4 by first exhaust passage 311.
In some embodiments of the present application, as shown in fig. 3 and 5, a portion of the side plate 31 corresponding to the cell explosion-proof valve 321 protrudes out of the side plate 31 in a direction away from the cell explosion-proof valve 321 to form the first exhaust passage 311. That is to say, the side plate 31 includes two parts, the first part is flat portion, the second part is the bulge, flat portion and the partial laminating of the non-electric core explosion-proof valve of electric core play fixed electric core 32 and form battery module 3, the bulge part corresponds the flat portion of partial bulge of electric core explosion-proof valve 321 promptly, because there is certain distance between bulge and electric core explosion-proof valve 321 to can form the passageway that supplies gas transmission, first exhaust passageway 311 promptly. Further, the first exhaust passage 311 may be formed by punching the side plate 31 in a direction away from the cell explosion-proof valve 321. The first exhaust passage 311 is simple in manufacturing method and low in cost.
Alternatively, in some embodiments of the present application, a portion of the side plate 31 corresponding to the cell explosion-proof valve 321 is recessed in a direction away from the cell explosion-proof valve 321 to form the first exhaust passage 311. That is to say, the side plate 31 includes two parts, and the first part is straight portion, and the second part is the sunk part, and straight portion is laminated with the part of the non-electric core explosion-proof valve of electric core, plays the effect that fixed electric core 32 formed the battery module, and the sunk part is that one side that the end plate is close to electric core explosion-proof valve 321 is sunken, and the one side of keeping away from electric core explosion-proof valve 321 still is the same with straight position. Since the recessed portion is recessed toward a direction away from the cell explosion-proof valve 321, a certain distance is left between the side plate 31 and the cell explosion-proof valve 321, so that gas can flow, that is, the first exhaust passage 311. Further, the first exhaust passage 311 may be formed by punching the side plate 31 in a direction away from the cell explosion-proof valve 321. The first exhaust passage 311 is simple in manufacturing method and low in cost. In addition, the volume of the side plate 31 is not increased by the exhaust channel with the concave structure, so that the whole volume of the battery pack is not increased, and the reduction of the volume energy density of the battery pack is not caused.
Alternatively, in some embodiments of the present application, a pipeline is embedded in the side plate 31, and an exhaust hole is opened at a side of the side plate 31 corresponding to the cell explosion-proof valve 321, and the exhaust hole is communicated with the pipeline to form the first exhaust channel 311. Due to the arrangement of the pipelines in the side plate 31, the volume of the side plate 31 cannot be increased additionally, and the energy density of the battery pack cannot be reduced.
In some embodiments of the present application, the first exhaust channel 311 is a single channel, that is, the gas discharged from different cells enters the common exhaust channel through the inlets 3111 of the corresponding first exhaust channels, that is, different cells share a single exhaust channel, and the preparation of the exhaust channel is simple. Or, the first exhaust channel 311 is a plurality of channels, that is, the first exhaust channel 311 includes a plurality of first sub-exhaust channels, and each sub-exhaust channel corresponds to one cell 32, so that gas accumulation in the exhaust channel can be avoided, and the gas in different cells 32 can be conveniently exhausted.
In some embodiments of the present application, as shown in fig. 6, the battery module 3 further includes a middle beam 33, the battery cells 32 are disposed on two sides of the middle beam 33, the middle beam 33 is provided with a second exhaust channel 331, an inlet 3311 of the second exhaust channel corresponds to the cell explosion-proof valve 321, and an outlet 3312 of the second exhaust channel is communicated with the collecting space 4.
Contain two battery cores 32 when battery module 3's well, and the position of the explosion-proof valve 321 of battery core of same row of battery core is not all when lieing in same one side, in order to ensure that the combustion gas can both get into the exhaust passage in each battery core rather than fill in the battery package, therefore introduce intermediate beam 33 in battery module 3, the structural strength of module can be increased to intermediate beam 33, and be equipped with second exhaust passage 331 in the intermediate beam 33, second exhaust passage 331 is connecting explosion-proof valve 321 of battery core and collection space 4, thereby can make the gas that rushes out explosion-proof valve 321 of battery core can be smooth get into in the collection space 4. The arrangement of the second exhaust passage 331 in the first exhaust passage 311 and the middle beam 33 in the side plate 31 can enable the gas in the battery cell 32 with the cell explosion-proof valve 321 located at different sides to smoothly enter the collecting space 4 in the battery module 3, thereby avoiding the adverse effect on other battery cells caused by the gas filled in the battery pack.
Further, as shown in fig. 7, a cavity is provided inside the intermediate beam 33, and the cavity forms a passage for gas to flow; and one side that middle beam 33 and electric core explosion-proof valve 321 correspond is equipped with first exhaust hole, and one side that middle beam 33 closes on collection space 4 is equipped with the second exhaust hole, and first exhaust hole and second exhaust hole all form second exhaust passage 331 with the cavity intercommunication, and first exhaust hole is second exhaust passage's entry 3311, and the second exhaust hole is second exhaust passage's export 3312.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (9)
1. A battery pack comprising
A sealing cover is arranged on the upper portion of the shell,
a tray forming an accommodating cavity with the sealing cover,
the battery module, the battery module is located hold the intracavity, the battery module includes curb plate and a plurality of electric core, the curb plate is established a plurality of electric core relative both sides, electric core is equipped with electric core explosion-proof valve, its characterized in that, it is equipped with the collection space to hold intracavity portion, the curb plate is equipped with first exhaust passage, first exhaust passage's entry with electric core explosion-proof valve corresponds, first exhaust passage's export with collect the space intercommunication, it is equipped with battery package explosion-proof spare to collect the space.
2. The battery pack according to claim 1, wherein the collecting space is formed between the sealing cover and the battery module, or the collecting space is formed between the tray and the battery module.
3. The battery pack according to claim 2, wherein the sealing cover has a frame protruding in a direction close to the battery modules, the frame and the battery modules forming the collecting space.
4. The battery pack of claim 3, wherein the collection space is provided with air intake holes, and the air intake holes are located on the frame.
5. The battery pack according to any one of claims 1 to 4, wherein a portion of the side plate corresponding to the cell explosion-proof valve protrudes from the side plate in a direction away from the cell explosion-proof valve to form the first exhaust passage, or a portion of the side plate corresponding to the cell explosion-proof valve is recessed in a direction away from the cell explosion-proof valve to form the first exhaust passage.
6. The battery pack according to any one of claims 1 to 4, wherein a pipe is embedded in the side plate, and an access hole is formed in one side of the side plate corresponding to the cell explosion-proof valve and communicated with the pipe to form the first exhaust channel.
7. The battery pack according to claim 1, wherein the battery module further comprises a middle beam, the battery cell is disposed on two sides of the middle beam, the middle beam is provided with a second exhaust channel, an inlet of the second exhaust channel corresponds to the battery cell explosion-proof valve, and an outlet of the second exhaust channel is communicated with the collection space.
8. The battery pack according to claim 7, wherein a cavity is formed inside the middle beam, the cavity forms the second exhaust channel, a first exhaust hole is formed in one side of the middle beam corresponding to the cell explosion-proof valve, the first exhaust hole forms an inlet of the second exhaust channel, a second exhaust hole is formed in one side of the middle beam adjacent to the collecting space, and the second exhaust hole forms an outlet of the second exhaust channel.
9. A vehicle comprising the battery pack according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120571490.6U CN215451589U (en) | 2021-03-19 | 2021-03-19 | Battery package and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120571490.6U CN215451589U (en) | 2021-03-19 | 2021-03-19 | Battery package and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215451589U true CN215451589U (en) | 2022-01-07 |
Family
ID=79703177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120571490.6U Active CN215451589U (en) | 2021-03-19 | 2021-03-19 | Battery package and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215451589U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435104A (en) * | 2022-03-10 | 2022-05-06 | 威睿电动汽车技术(宁波)有限公司 | Vehicle chassis subassembly and car |
| CN115347297A (en) * | 2022-08-19 | 2022-11-15 | 东风汽车集团股份有限公司 | But split electricity core module |
| CN115425360A (en) * | 2022-08-19 | 2022-12-02 | 东风汽车集团股份有限公司 | Explosion-proof electric core module of two-chamber |
| WO2023240872A1 (en) * | 2022-06-17 | 2023-12-21 | 湖北亿纬动力有限公司 | Battery pack |
| WO2024077604A1 (en) * | 2022-10-14 | 2024-04-18 | 宁德时代新能源科技股份有限公司 | Battery and electric apparatus |
-
2021
- 2021-03-19 CN CN202120571490.6U patent/CN215451589U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435104A (en) * | 2022-03-10 | 2022-05-06 | 威睿电动汽车技术(宁波)有限公司 | Vehicle chassis subassembly and car |
| WO2023169534A1 (en) * | 2022-03-10 | 2023-09-14 | 威睿电动汽车技术(宁波)有限公司 | Vehicle chassis assembly and automobile |
| WO2023240872A1 (en) * | 2022-06-17 | 2023-12-21 | 湖北亿纬动力有限公司 | Battery pack |
| CN115347297A (en) * | 2022-08-19 | 2022-11-15 | 东风汽车集团股份有限公司 | But split electricity core module |
| CN115425360A (en) * | 2022-08-19 | 2022-12-02 | 东风汽车集团股份有限公司 | Explosion-proof electric core module of two-chamber |
| CN115347297B (en) * | 2022-08-19 | 2023-12-22 | 东风汽车集团股份有限公司 | Detachable battery core module and echelon utilization method |
| WO2024077604A1 (en) * | 2022-10-14 | 2024-04-18 | 宁德时代新能源科技股份有限公司 | Battery and electric apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215451589U (en) | Battery package and vehicle | |
| EP3916894B1 (en) | Lower box body, battery pack and vehicle | |
| JP5000107B2 (en) | Film exterior electrical device assembly | |
| WO2020134070A1 (en) | Battery tray and power battery pack | |
| CN214378654U (en) | Battery package thermal diffusion protective structure and battery package | |
| CN115764150B (en) | Energy storage device and electric equipment | |
| CN217485569U (en) | Thermal management member for battery, and power consumption device | |
| JP5632402B2 (en) | Film exterior electrical device assembly | |
| CN211980711U (en) | Battery module and battery pack | |
| CN217903215U (en) | Battery package box, battery package and vehicle | |
| CN216872184U (en) | Exhaust device, battery cell, battery and power consumption device | |
| WO2020215443A1 (en) | Upper cover assembly and battery pack | |
| CN112751131B (en) | Novel battery box structure, battery pack and electric vehicle | |
| CN212209680U (en) | Combined battery core and battery with same | |
| CN217903346U (en) | Battery pack | |
| CN218070108U (en) | Battery pack box, battery pack, electric device and equipment for manufacturing battery pack | |
| CN217239700U (en) | Battery cell and battery pack device comprising same | |
| CN217062334U (en) | Battery pack | |
| CN219677486U (en) | Battery module and battery pack | |
| CN219779136U (en) | Battery and battery pack | |
| CN220189777U (en) | Battery housing and battery module comprising same | |
| CN219832768U (en) | Single battery and battery module | |
| CN218939761U (en) | Battery, battery module and vehicle | |
| CN218070114U (en) | Battery pack box, battery pack, electric device and equipment for manufacturing battery pack | |
| CN220368054U (en) | Battery device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |