CN118137057B - Explosion-proof battery unit and new energy automobile battery pack thereof - Google Patents
Explosion-proof battery unit and new energy automobile battery pack thereof Download PDFInfo
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- CN118137057B CN118137057B CN202410552667.6A CN202410552667A CN118137057B CN 118137057 B CN118137057 B CN 118137057B CN 202410552667 A CN202410552667 A CN 202410552667A CN 118137057 B CN118137057 B CN 118137057B
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- 238000005474 detonation Methods 0.000 claims abstract description 28
- 238000002955 isolation Methods 0.000 claims abstract description 3
- 238000004880 explosion Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 6
- 239000000843 powder Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
Abstract
The invention provides an explosion-proof battery unit and a new energy automobile battery pack thereof, wherein the explosion-proof battery unit comprises an outer shell, an ignition assembly, a detonation assembly, a fire extinguishing assembly, a battery main body and a first telescopic assembly; the outer housing includes a sealed top, a sealed side wall, and an open bottom; the ignition component is arranged on the top inner surface of the outer shell; the ignition assembly is arranged below the ignition assembly and used for igniting the ignition assembly; the fire extinguishing assembly is arranged below the detonation assembly, and the detonation assembly is detonated to push the fire extinguishing assembly to downwards and burst; the battery main body is arranged below the fire extinguishing assembly and extends to the bottom opening of the outer shell; the first telescopic component is arranged in the side wall of the outer shell, the battery body is connected to the movable end of the first telescopic component, after the fire extinguishing component is exploded, the battery body and the first telescopic component are pushed out of the outer shell, and an isolation fog curtain is formed on the periphery of the battery body by the exploded components of the fire extinguishing component. The new energy automobile group battery of this scheme can reduce the potential safety hazard as far as possible.
Description
Technical Field
The invention belongs to the technical field of batteries of electric vehicles, and particularly relates to an explosion-proof battery unit and a new energy vehicle battery pack thereof.
Background
In the prior art, the battery safety problem of the electric automobile is a relatively convex safety problem nowadays. In the use process of the electric automobile, when a single battery unit generates heat or knocks when being impacted, the whole battery pack is easy to fire or explode, and the influence is serious.
To solve the above problems, chinese patent publication No. CN114194066a discloses an electric vehicle battery detonation management system, in which a battery safety device includes a piezoelectric device, a safety device, and a blowout device; the piezoelectric device is connected with the safety device and the spraying device; the safety device is connected with the power supply controller; the safety device monitors the temperature and the air pressure in the battery installation cavity and sends the temperature value and the air pressure value in the battery installation cavity to the power supply controller. When the temperature and the air pressure of the battery installation cavity are out of control, the safety device and the piezoelectric device trigger the spraying device to discharge the battery with the out of control temperature out of the electric automobile body, so that the damage to the electric automobile is reduced.
In this application, if a single cell is overheated, the cell is released outwards, so as to avoid the impact of the explosion of the cell on other cells. However, in the process of releasing the battery, the battery may collide with a ground object, so that the battery may deflagrate at the lower side of the vehicle, and the discarded battery may damage other vehicles and the like, thereby having a certain potential safety hazard.
Disclosure of Invention
In order to solve the problems, the invention provides an explosion-proof battery unit with good safety performance and a new energy automobile battery pack thereof.
The first aspect of the present invention discloses an explosion-proof battery cell, comprising:
an outer housing comprising a sealed top, a sealed side wall, and an open bottom;
The ignition assembly is arranged on the top inner surface of the outer shell;
The ignition assembly is arranged below the ignition assembly and used for igniting the ignition assembly;
The fire extinguishing assembly is arranged below the detonation assembly, and the detonation assembly is detonated to push the fire extinguishing assembly to downwards and burst;
The battery body is arranged below the fire extinguishing assembly and extends to the bottom opening of the outer shell;
The fire extinguishing device comprises a battery body, a first telescopic component, a battery body and a fire extinguishing component, wherein the first telescopic component is arranged in the side wall of the outer shell, the battery body is connected to the movable end of the first telescopic component, after the fire extinguishing component is exploded, the battery body and the first telescopic component are pushed out of the outer shell, and an isolating fog curtain is formed on the periphery of the battery body by the exploded components of the fire extinguishing component.
Optionally, the battery body includes:
the explosion-proof bin is arranged below the fire extinguishing assembly;
the battery block is fixed in the explosion-proof bin;
the pressure release plug is blocked at the bottom of the explosion-proof bin;
the second flexible subassembly, the one end of second flexible subassembly connect in the bottom in explosion-proof storehouse, the other end of second flexible subassembly connect in the pressure release stopper when battery body is released the shell body, the second flexible subassembly stretches out, makes the pressure release stopper is kept away from the battery piece.
Optionally, the bottom of explosion-proof storehouse is equipped with:
the bottom support part extends to the inner side of the explosion-proof bin and is used for supporting the battery block, and one end of the second telescopic component is connected to the bottom support part;
The connecting lug extends to the outside of explosion-proof storehouse, is used for connecting the expansion end of first flexible subassembly.
Optionally, the pressure relief plug includes:
The plug table part is plugged on the bottom opening of the outer shell;
The second telescopic component comprises a plurality of sliding rods from inside to outside, the outermost sliding rod is connected with the inner side of the bottom support part, and the innermost sliding rod is connected with the outer side of the insertion part.
Optionally, the explosion-proof battery unit further includes an air pressure sensor and a temperature sensor, an induction cavity is enclosed and formed among the upper surface of the plug table portion, the side wall of the insertion portion, the lower surface of the bottom support portion and the inner side wall of the explosion-proof bin, and the air pressure sensor and the temperature sensor are both connected to the inner wall of the explosion-proof bin and are located in the induction cavity;
When the temperature value in the explosion-proof bin is larger than a preset temperature threshold value and the air pressure value is larger than a preset air pressure threshold value, the ignition component ignites the detonation component, the detonation component is detonated, and the fire extinguishing component is exploded downwards under the action of air pressure.
Optionally, be equipped with the pore between upper surface and the lateral wall of insert portion, be equipped with whistle body structure in the pore, whistle body structure is used for when the pressure release stopper is kept away from the battery piece, makes the sound under the effect of air current.
Optionally, the battery main body further comprises a plurality of elastic buffer pads, and the plurality of elastic buffer pads are arranged in a gap between the outer side wall of the battery block and the inner side wall of the explosion-proof bin.
Optionally, the shell body lateral wall bottom surface is equipped with the intercommunication the engaging lug with the spacing groove of first flexible subassembly, be equipped with spacing horizontal pole in the spacing groove, spacing horizontal pole is in the below of engaging lug is used for limiting before the ignition the engaging lug with first flexible subassembly stretch out in the shell body.
Optionally, the first telescopic assembly extends downwards to a length greater than the height of the explosion proof cabin, so that the explosion proof cabin can be pushed out of the bottom of the outer shell.
The invention discloses a new energy automobile battery pack, which comprises a box body and a plurality of anti-explosion battery cells, wherein the anti-explosion battery cells are arranged in the box body in an array mode.
The invention has the beneficial effects that:
The new energy automobile group battery of this scheme is inside to be equipped with a plurality of explosion-proof battery cell. When the temperature of the single battery body is too high, the ignition component ignites the detonation component, the air pressure of the detonation component explodes to push the fire extinguishing component to downwards burst, the battery body is outwards released, and the burst fire extinguishing component forms an umbrella-shaped fire extinguishing dry powder fog curtain on the outer side of the battery body, so that oxygen around the battery body is isolated, and the combustion or explosion speed of the battery body is delayed. The setting of first flexible subassembly both can realize releasing of battery main part, does not abandon battery main part completely simultaneously, avoids causing the damage to the external object. The new energy automobile group battery of this scheme can reduce the potential safety hazard as far as possible.
Drawings
Fig. 1 is a schematic structural diagram of a battery pack of a new energy automobile;
fig. 2 is a schematic structural view of an explosion-proof battery cell;
FIG. 3 is a bottom view of an explosion-proof battery cell;
FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 3;
FIG. 5 is an enlarged view of a portion of circle C of FIG. 4;
FIG. 6 is a cut-away view of an explosion-proof battery cell after explosion;
FIG. 7 is a schematic view of a pressure relief plug;
FIG. 8 is a top view of a pressure relief plug;
fig. 9 is a sectional view taken along the direction B-B in fig. 8.
Reference numerals illustrate:
1. An explosion-proof battery cell; 2. a case body;
10. An outer housing; 11. a limit groove; 12. a limiting cross bar; 20. an ignition assembly; 30. a detonation assembly; 40. a fire suppression assembly; 50. a battery main body; 51. an explosion-proof bin; 511. a bottom support part; 512. a connecting lug; 52. a battery block; 53. a pressure relief plug; 531. a stopper stand portion; 532. an insertion section; 5321. a duct; 54. a second telescoping assembly; 55. an elastic cushion pad; 501. an inductive cavity; 60. a first telescoping assembly; 70. an air pressure sensor; 80. a temperature sensor.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., are based on those shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two parts. The specific meaning of the terms in the present invention will be understood by those of ordinary skill in the art in specific detail.
Referring to fig. 1, the new energy automobile battery pack disclosed by the invention comprises a box body 2 and a plurality of explosion-proof battery units 1, wherein the explosion-proof battery units 1 are arranged in the box body 2 in an array manner.
Referring to fig. 2-6, the explosion-proof battery unit 1 includes an outer case 10, an ignition assembly 20, a detonation assembly 30, a fire extinguishing assembly 40, a battery body 50, and a first telescopic assembly 60; the outer housing 10 includes a sealed top, sealed sidewalls, and an open bottom; the ignition assembly 20 is arranged on the top inner surface of the outer shell 10; the detonation assembly 30 is arranged below the ignition assembly 20, and the ignition assembly 20 is used for igniting the detonation assembly 30; the fire extinguishing assembly 40 is arranged below the detonation assembly 30, and the detonation assembly 30 is detonated to push the fire extinguishing assembly 40 downwards and burst; the battery body 50 is provided below the fire extinguishing assembly 40 and extends to the bottom opening of the outer case 10; the first telescopic assembly 60 is arranged in the side wall of the outer shell 10, the battery main body 50 is connected to the movable end of the first telescopic assembly 60, after the fire extinguishing assembly 40 is exploded, the battery main body 50 and the first telescopic assembly 60 are pushed out of the outer shell 10, and an isolation fog curtain is formed on the periphery of the battery main body 50 by the exploded components of the fire extinguishing assembly 40.
The new energy automobile group battery of this scheme is inside to be equipped with a plurality of explosion-proof battery cell 1. When the temperature of the single battery body 50 is too high, the ignition assembly 20 ignites the detonation assembly 30, the gas pressure exploded by the detonation assembly 30 pushes the fire extinguishing assembly 40 to be exploded downwards, meanwhile, the battery body 50 is released outwards, the exploded fire extinguishing assembly 40 forms an umbrella-shaped fire extinguishing dry powder curtain on the outer side of the battery body 50, oxygen around the battery body 50 is isolated, and the combustion or explosion speed of the battery body 50 is delayed. The first telescopic assembly 60 can release the battery body 50 without completely discarding the battery body 50, thereby avoiding damage to external objects. The new energy automobile group battery of this scheme can reduce the potential safety hazard as far as possible.
The upper portion of the battery main body 50 is provided with a power supply contact block, the inner side of the outer shell 10 is provided with a connecting contact block, the power supply contact block is electrically connected with the connecting contact block, and leads electrically connected with the connecting contact block are led out of the outer sides of the outer shell 10 of the explosion-proof battery units 1 to supply power for the electric automobile.
In this embodiment, the ignition assembly 20 is a piezoelectric assembly, when the explosive needs to be ignited, the ignition assembly 20 releases spark, the detonation assembly 30 is the explosive, and the detonation assembly 30 is uniformly paved above the fire extinguishing assembly 40; the fire extinguishing assembly 40 is a dry powder fire extinguishing agent, and the laying width of the dry powder fire extinguishing agent is not smaller than the width of the explosion-proof bin 51, so that the dry powder fire extinguishing agent can be ensured to completely cover the explosion-proof bin 51 after being exploded.
Wherein, the battery main body 50 comprises an explosion-proof bin 51, a battery block 52, a pressure release plug 53 and a second telescopic component 54; the explosion-proof bin 51 is arranged below the fire extinguishing assembly 40; the battery block 52 is fixed in the explosion-proof bin 51; the pressure relief plug 53 is plugged at the bottom of the explosion-proof bin 51; one end of the second telescopic assembly 54 is connected to the bottom of the explosion-proof bin 51, and the other end of the second telescopic assembly 54 is connected to the pressure release plug 53, and when the battery main body 50 is pushed out of the outer case 10, the second telescopic assembly 54 is extended, so that the pressure release plug 53 is far away from the battery block 52. The underside of the battery block 52 is provided with a pressure release plug 53 to avoid the impact between the battery block 52 and the ground.
Specifically, the bottom of the explosion-proof bin 51 is provided with a bottom support portion 511 and a connecting lug 512, the bottom support portion 511 extends to the inner side of the explosion-proof bin 51 and is used for supporting the battery block 52, and one end of the second telescopic component 54 is connected to the bottom support portion 511; the connecting lugs 512 extend outwardly of the explosion proof compartment 51 for connection to the movable end of the first telescoping assembly 60.
Referring to fig. 7 to 9, the pressure release plug 53 includes a plug stage portion 531 and an insertion portion 532, and the plug stage portion 531 is plugged on the bottom opening of the outer case 10; the insertion portion 532 is disposed above the stopper stand portion 531, the radius of the insertion portion 532 is smaller than the radius of the stopper stand portion 531, and the insertion portion 532 is inserted into the base portion 511, wherein the second telescopic assembly 54 includes a plurality of sliding rods from inside to outside, an outermost sliding rod is connected to an inner side of the base portion 511, and an innermost sliding rod is connected to an outer side of the insertion portion 532. The setting of second telescopic subassembly 54 can make things convenient for decompression stopper 53 to break away from with the battery piece 52, is favorable to the decompression of battery piece 52, simultaneously through the buffering of second telescopic subassembly 54, can avoid the harm that the battery piece 52 caused in landing or collision process as far as possible.
In this embodiment, the explosion-proof battery unit 1 further includes an air pressure sensor 70 and a temperature sensor 80, and an induction cavity 501 is formed by enclosing the upper surface of the plug stand portion 531, the side wall of the insertion portion 532, the lower surface of the bottom support portion 511 and the inner side wall of the explosion-proof bin 51, and the air pressure sensor 70 and the temperature sensor 80 are both connected to the inner wall of the explosion-proof bin 51 and are located in the induction cavity 501;
When the temperature value in the explosion-proof bin 51 is greater than the preset temperature threshold value and the air pressure value is greater than the preset air pressure threshold value, the ignition assembly 20 ignites the detonation assembly 30, the detonation assembly 30 is detonated, and the fire extinguishing assembly 40 is exploded downwards under the action of the air pressure.
In this embodiment, a duct 5321 is provided between the upper surface and the side wall of the insertion portion 532, and a whistle structure is provided in the duct 5321 for making a sound under the action of the air flow when the pressure release plug 53 is away from the battery block 52. When the pressure release plug 53 and the battery block 52 are released outwards, if the battery block 52 knocks, downward airflow is generated, and the airflow rushes into the duct 5321 from top to bottom, and sounds through the whistle structure of the duct 5321, so as to remind the outside of the vehicle.
In this embodiment, the battery main body 50 further includes a plurality of elastic cushions 55, and the plurality of elastic cushions 55 are disposed in a gap between an outer sidewall of the battery block 52 and an inner sidewall of the explosion-proof chamber 51, and the elastic cushions 55 can prevent the battery block 52 from directly contacting the explosion-proof chamber 51.
In this embodiment, a limiting groove 11 for communicating the connecting lug 512 with the first telescopic component 60 is provided on the bottom surface of the side wall of the outer casing 10, a limiting cross rod 12 is provided in the limiting groove 11, and the limiting cross rod 12 is located below the connecting lug 512 and is used for limiting the connecting lug 512 and the first telescopic component 60 to extend out of the outer casing 10 before ignition.
In this embodiment, first telescoping assembly 60 extends downwardly a length greater than the height of explosion proof compartment 51 for allowing explosion proof compartment 51 to be pushed out of the bottom of outer housing 10. The first telescopic assembly 60 comprises at least two groups of telescopic rods, and the extending ends of the at least two groups of telescopic rods are respectively connected with the explosion-proof bin 51. When the telescopic rod is extended, the battery body 50 can be completely released from the outer case 10, and when the battery body 50 is released outwards, a space is left between the top of the battery body 50 and the bottom of the outer case 10.
The using method comprises the following steps:
When the device is specifically used, the temperature sensor 80 and the air pressure sensor 70 are used for detecting the air pressure and the temperature in the explosion-proof bin 51;
when the temperature value in the explosion-proof bin 51 is greater than the preset temperature threshold value and the air pressure value is greater than the preset air pressure threshold value, the temperature of the battery block 52 in the surface explosion-proof bin 51 is too high or deflagration is generated, the ignition assembly 20 is controlled to operate through the vehicle machine, the ignition assembly 20 ignites the detonation assembly 30, meanwhile, the telescopic rod of the first telescopic assembly 60 stretches, the limiting cross rod 12 breaks, and the battery main body 50 is pushed out to the lower side of the mounting box body 2;
After the detonation component 30 explodes, the air pressure pushes the fire extinguishing component 40 downwards, after the fire extinguishing component 40 explodes, the fire extinguishing dry powder withdraws downwards along with the air flow, an umbrella-shaped fire extinguishing dry powder fog curtain is formed on the outer side of the battery main body 50, oxygen in the circumferential direction of the battery main body 50 is isolated, and the influence of flame on other battery main bodies 50 is avoided;
At the same time, the air flow generated by the combustion of the battery block 52 impacts the pressure release plug 53, and sound is generated inside the pore channel 5321 to remind surrounding people.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. An explosion-proof battery cell, comprising:
an outer housing comprising a sealed top, a sealed side wall, and an open bottom;
The ignition assembly is arranged on the top inner surface of the outer shell;
The ignition assembly is arranged below the ignition assembly and used for igniting the ignition assembly;
The fire extinguishing assembly is arranged below the detonation assembly, and the detonation assembly is detonated to push the fire extinguishing assembly to downwards and burst;
The battery body is arranged below the fire extinguishing assembly and extends to the bottom opening of the outer shell;
the first telescopic component is arranged in the side wall of the outer shell, the battery main body is connected to the movable end of the first telescopic component, after the fire extinguishing component is exploded, the battery main body and the first telescopic component are pushed out of the outer shell, and the exploded components of the fire extinguishing component form an isolation fog curtain on the periphery of the battery main body;
The battery body includes:
the explosion-proof bin is arranged below the fire extinguishing assembly;
the battery block is fixed in the explosion-proof bin;
the pressure release plug is blocked at the bottom of the explosion-proof bin;
One end of the second telescopic component is connected to the bottom of the explosion-proof bin, the other end of the second telescopic component is connected to the pressure release plug, and when the battery main body is pushed out of the outer shell, the second telescopic component stretches out to enable the pressure release plug to be far away from the battery block;
The bottom of explosion-proof storehouse is equipped with:
the bottom support part extends to the inner side of the explosion-proof bin and is used for supporting the battery block, and one end of the second telescopic component is connected to the bottom support part;
The connecting lug extends to the outside of explosion-proof storehouse, is used for connecting the expansion end of first flexible subassembly.
2. The explosion-proof battery cell of claim 1, wherein the pressure relief plug comprises:
The plug table part is plugged on the bottom opening of the outer shell;
The second telescopic component comprises a plurality of sliding rods from inside to outside, the outermost sliding rod is connected with the inner side of the bottom support part, and the innermost sliding rod is connected with the outer side of the insertion part.
3. The explosion-proof battery unit according to claim 2, further comprising an air pressure sensor and a temperature sensor, wherein an induction cavity is formed by surrounding the upper surface of the plug table part, the side wall of the insertion part, the lower surface of the bottom support part and the inner side wall of the explosion-proof bin, and the air pressure sensor and the temperature sensor are connected to the inner wall of the explosion-proof bin and are positioned in the induction cavity;
When the temperature value in the explosion-proof bin is larger than a preset temperature threshold value and the air pressure value is larger than a preset air pressure threshold value, the ignition component ignites the detonation component, the detonation component is detonated, and the fire extinguishing component is exploded downwards under the action of air pressure.
4. An explosion-proof battery unit according to claim 2, wherein a duct is provided between the upper surface and the side wall of the insertion portion, and a whistle structure is provided in the duct for making a sound under the action of an air flow when the pressure release plug is away from the battery block.
5. The explosion-proof battery cell of claim 1, wherein the battery body further comprises a plurality of elastomeric cushions disposed within a gap between an outer sidewall of the battery block and an inner sidewall of the explosion-proof compartment.
6. The explosion-proof battery unit according to claim 1, wherein a limiting groove for communicating the connecting lug with the first telescopic component is formed in the bottom surface of the side wall of the outer shell, a limiting cross rod is arranged in the limiting groove, and the limiting cross rod is located below the connecting lug and used for limiting the connecting lug and the first telescopic component to extend out of the outer shell before ignition.
7. The explosion-proof battery cell of claim 1, wherein the first telescoping assembly extends downwardly a length greater than a height of the explosion proof compartment for allowing the explosion proof compartment to be pushed out of the bottom of the outer housing.
8. A new energy automobile battery pack, which is characterized by comprising a box body and a plurality of explosion-proof battery units as claimed in any one of claims 1-7, wherein a plurality of the explosion-proof battery units are arranged in the box body in an array mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410552667.6A CN118137057B (en) | 2024-05-07 | 2024-05-07 | Explosion-proof battery unit and new energy automobile battery pack thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410552667.6A CN118137057B (en) | 2024-05-07 | 2024-05-07 | Explosion-proof battery unit and new energy automobile battery pack thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118137057A CN118137057A (en) | 2024-06-04 |
| CN118137057B true CN118137057B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410552667.6A Active CN118137057B (en) | 2024-05-07 | 2024-05-07 | Explosion-proof battery unit and new energy automobile battery pack thereof |
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| Country | Link |
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| CN (1) | CN118137057B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113602093A (en) * | 2021-08-04 | 2021-11-05 | 恒大恒驰新能源汽车研究院(上海)有限公司 | New energy automobile thermal runaway self-rescue system and new energy automobile comprising same |
| CN114194066A (en) * | 2022-02-16 | 2022-03-18 | 武汉理工大学 | Detonation management system for batteries of electric vehicles |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102203246B1 (en) * | 2017-05-25 | 2021-01-13 | 주식회사 엘지화학 | Battery module with improved safety |
| CN117219898B (en) * | 2023-10-30 | 2024-07-19 | 三峡大学 | Safety monitoring device for new energy automobile battery |
-
2024
- 2024-05-07 CN CN202410552667.6A patent/CN118137057B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113602093A (en) * | 2021-08-04 | 2021-11-05 | 恒大恒驰新能源汽车研究院(上海)有限公司 | New energy automobile thermal runaway self-rescue system and new energy automobile comprising same |
| CN114194066A (en) * | 2022-02-16 | 2022-03-18 | 武汉理工大学 | Detonation management system for batteries of electric vehicles |
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| Publication number | Publication date |
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| CN118137057A (en) | 2024-06-04 |
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