CN218215507U - Automatic fire extinguishing lithium battery based on microcapsules - Google Patents
Automatic fire extinguishing lithium battery based on microcapsules Download PDFInfo
- Publication number
- CN218215507U CN218215507U CN202222158031.2U CN202222158031U CN218215507U CN 218215507 U CN218215507 U CN 218215507U CN 202222158031 U CN202222158031 U CN 202222158031U CN 218215507 U CN218215507 U CN 218215507U
- Authority
- CN
- China
- Prior art keywords
- casing
- fire extinguishing
- fixedly connected
- lithium battery
- push
- 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
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 49
- 239000003094 microcapsule Substances 0.000 title claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 33
- 238000009423 ventilation Methods 0.000 claims abstract description 32
- 210000005056 cell body Anatomy 0.000 claims abstract description 9
- 210000004027 cell Anatomy 0.000 abstract description 9
- 239000007789 gas Substances 0.000 abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004005 microsphere Substances 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model provides an automatic fire extinguishing lithium cell based on microcapsule relates to lithium battery technology field, including casing and apron, apron fixed mounting is at the top of casing, be provided with lithium cell body in the casing, first ventilation groove has been seted up to the left and right sides of casing, the inner wall fixedly connected with locating plate of casing, the hole groove has been seted up at the middle part of apron. The utility model has the advantages that: when the conflagration breaing out, the fire extinguishing agent is heated the release, the air pressure risees in the mounting box, the piston promotes the push-and-pull board, the baffle moves down, make second ventilation groove and first ventilation groove stagger, cut off the entering of oxygen, reach the purpose of putting out a fire, the fire extinguishing agent quantity of adoption is less, thereby the cost is reduced, just with the popularization, through setting up the check valve, after the fire disaster takes place for lithium cell body, the gas inflation in the casing, the atmospheric pressure increase, after atmospheric pressure reaches certain numerical value, discharge in the check valve, the problem of explosion too big because of atmospheric pressure has been avoided, the security has been improved.
Description
Technical Field
The utility model relates to a lithium cell technical field, in particular to automatic fire extinguishing lithium cell based on microcapsule.
Background
Microcapsule technology has found some applications in the field of fire protection in recent years. In the prior art, a microcapsule fire extinguishing agent is usually formed by wrapping a fire extinguishing agent by a non-porous high polymer to form microspheres, and the microspheres automatically release the fire extinguishing agent in the microspheres after being heated, so that fire is suppressed at the initial stage or fire spreading is prevented.
The batteries of the new energy automobiles mainly adopt power lithium batteries, and the lithium batteries are likely to catch fire in the driving or charging process, so that property loss is caused, and even the life safety of drivers and passengers is ensured, so that the safety and the reliability of the lithium batteries are particularly critical. The difficult point of putting out a fire of lithium cell case lies in that the inner space gap is narrower, and traditional extinguishing device is difficult to set up in the box of lithium cell, and microcapsule fire extinguishing agent occupation space is little, is the ideal extinguishing device of lithium cell.
The automatic fire extinguishing lithium battery based on the microcapsule disclosed in the Chinese patent CN216963370U is characterized in that a box body is arranged on a shell for placing a lithium battery body, a fire extinguishing agent made of a microcapsule fire extinguishing material is arranged in the box body, and the fire extinguishing agent is convenient to replace regularly, but the automatic fire extinguishing lithium battery based on the microcapsule has the following defects when the problem is solved:
when the inside lithium cell body of casing conflagration breaks out, the fire extinguishing agent of being made by microcapsule fire extinguishing materials is heated release fire extinguishing gas and is put out a fire, because the fire extinguishing agent is formed by the microcapsule preparation, and is small, thereby the gaseous less that puts out a fire of production, thereby need set up many fire extinguishing agents at the round of casing, otherwise when the position far away from the fire extinguishing agent produces the conflagration, the gaseous effect of putting out a fire that probably is not enough to play the fire of putting out a fire of fire extinguishing agent production, and the quantity of fire extinguishing agent increases the back, the cost of lithium cell has been increased in the intangible, lead to the too high problem of cost.
SUMMERY OF THE UTILITY MODEL
The purpose of the present invention is to solve at least one of the technical drawbacks.
Therefore, an object of the present invention is to provide a self-extinguishing lithium battery based on microcapsules, which solves the problems mentioned in the background art and overcomes the disadvantages existing in the prior art.
In order to achieve the above object, an embodiment of the utility model provides an automatic fire extinguishing lithium battery based on microcapsule, including casing and apron, apron fixed mounting is at the top of casing, be provided with lithium cell body in the casing, first ventilation groove has been seted up to the left and right sides of casing, the inner wall fixedly connected with locating plate of casing, the hole groove has been seted up at the middle part of apron, the fixed position connection mounting box that corresponds with the hole groove in apron bottom, the inside of mounting box is provided with the fire extinguishing agent, the inside sliding connection of mounting box has the piston, one side fixedly connected with push-and-pull plate of fire extinguishing agent is kept away from to the piston, one side fixedly connected with baffle of piston is kept away from to the push-and-pull plate, just set up the second ventilation groove the same with first ventilation groove on the baffle, the top fixed mounting of hole groove has the closing plate.
An embodiment of the utility model provides an automatic fire extinguishing lithium battery based on microcapsule, including casing and apron, apron fixed mounting is at the top of casing, be provided with lithium cell body in the casing, first ventilation groove has been seted up to the left and right sides of casing, the inner wall fixedly connected with locating plate of casing, the hole groove has been seted up at the middle part of apron, the apron bottom is with the fixed position connection mounting box that the hole groove corresponds, the inside of mounting box is provided with the fire extinguishing agent, the inside sliding connection of mounting box has the piston, one side fixedly connected with push-and-pull plate of fire extinguishing agent is kept away from to the piston, one side fixedly connected with baffle of piston is kept away from to the push-and-pull plate, just set up the second ventilation groove the same with first ventilation groove on the baffle, the top fixed mounting in hole groove has the closing plate, be provided with the check valve on the apron.
Preferably, according to any one of the above schemes, a lower positioning block is fixedly connected to the inner bottom of the shell, an upper positioning block is fixedly connected to the position, corresponding to the lower positioning block, of the bottom of the cover plate, and the lower positioning block and the upper positioning block are used for positioning the lithium battery body.
Preferably, according to any one of the above schemes, the top of the inner wall of the shell is fixedly connected with a connecting block, a through hole is formed in the cover plate at a position corresponding to the connecting block, and the connecting block and the through hole are used for fixing the shell and the cover plate together.
Preferably, in any of the above schemes, sliding grooves are fixedly connected to two sides of the mounting box at the bottom of the cover plate, and the push-pull plate is slidably connected inside the sliding grooves, so that the problem that the baffle cannot be pushed due to deformation of the push-pull plate is solved.
Preferably, in any of the above schemes, positioning rods are fixedly connected to two sides of the push-pull plate, one end of each positioning rod, which is far away from the push-pull plate, is fixedly connected with the corresponding chute, and the positioning rods are used for fixing the push-pull plate and the corresponding baffle plate, so that the problem that the first ventilation grooves and the second ventilation grooves are staggered due to the fact that the baffle plate falls along with gravity is avoided.
Compared with the prior art, the utility model has the advantages and beneficial effects do:
1. when the lithium cell body in the casing conflagration breaks out, the fire extinguishing agent that has microcapsule fire extinguishing material to make is given in the mounting box in the temperature transmission, the fire extinguishing agent is heated the release, make the mounting box internal gas pressure rise, thereby promote the piston and slide to the outside of mounting box, the push-and-pull plate atress slides, make the locating lever fracture, thereby the push-and-pull plate promotes the baffle and moves down, make second ventilation groove and first ventilation groove stagger, avoided the air to enter into in the casing, thereby cut off the entering of oxygen, oxygen burning in the casing is complete just can reach the purpose of putting out a fire, the fire extinguishing agent quantity of adoption is less, thereby the cost is reduced, just with the popularization.
2. Through setting up the check valve, after lithium cell body took place the fire disaster, the baffle has cut off in the air admission casing, has sealed the casing, and the heat that lithium cell body burning produced this moment makes the gas expansion in the casing, and atmospheric pressure increase reaches certain numerical value after, just can follow the interior discharge of check valve to avoid the continuous growth of casing internal gas pressure, thereby avoided because of the too big problem of explosion of atmospheric pressure, improved the security.
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 a schematic structural diagram according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of the housing according to the present invention;
fig. 3 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a cover plate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second cover plate according to the embodiment of the present invention.
Wherein: 10. the fire extinguishing device comprises a shell, 11, a first ventilation groove, 12, a positioning plate, 13, a connecting block, 20, a cover plate, 21, a hole groove, 22, a mounting box, 23, a fire extinguishing agent, 24, a piston, 25, a push-pull plate, 26, a baffle, 27, a second ventilation groove, 28, a sliding groove, 29, a positioning rod, 3, a sealing plate, 4, a lithium battery body, 5, a check valve, 6, a lower positioning block, 7 and a positioning block.
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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1-4, the microcapsule-based automatic fire-extinguishing lithium battery of this embodiment includes a casing 10 and a cover plate 20, the cover plate 20 is fixedly installed on the top of the casing 10, a connecting block 13 is fixedly connected to the top of the inner wall of the casing 10, a through hole is formed in the cover plate 20 at a position corresponding to the connecting block 13, a threaded hole is formed in the connecting block 13, and can be screwed with the threaded hole of the connecting block 13 through the through hole by a bolt, so as to achieve the purpose of fixedly installing the cover plate 20 on the casing 10, a lithium battery body 4 is disposed in the casing 10, a lower positioning block 6 is fixedly connected to the inner bottom of the casing 10, an upper positioning block 7 is fixedly connected to a position corresponding to the lower positioning block 6 at the bottom of the cover plate 20, the lithium battery body 4 is disposed in the lower positioning block 60, after the cover plate 20 is covered on the casing 10, the upper positioning block 7 fixes the top of the lithium battery body 4, so as to achieve the purpose of positioning the lithium battery body 4, the left side and the right side of the shell 10 are provided with first ventilation grooves 11, so that ventilation can be realized in the shell 10, thereby being beneficial to heat dissipation of the lithium battery body 4, a filter screen can be arranged at the outer side or the inner side of the first ventilation grooves 11, thereby avoiding the problem that impurities enter the shell 10, the inner wall of the shell 10 is fixedly connected with a positioning plate 12, as shown in figure 2, a groove body is formed between the positioning plate 12 and the inner wall of the shell 10 provided with the first ventilation grooves 11, the middle part of a cover plate 20 is provided with a hole groove 21, the bottom of the cover plate 20 is fixedly connected with a mounting box 22 corresponding to the hole groove 21, a fire extinguishing agent 23 is arranged in the mounting box 22, the fire extinguishing agent 23 is made of a microcapsule fire extinguishing material and is placed into the mounting box 22 through the hole groove 21, the inside of the mounting box 22 is slidably connected with a piston 24, one side of the piston 24 far away from the fire extinguishing agent 23 is fixedly connected with a push-pull plate 25, the push-pull plate 25 adopts elastic material, make the push-pull plate 25 can bend, one side fixedly connected with baffle 26 that the piston 24 was kept away from to the push-pull plate 25, baffle 26 sliding connection is between locating plate 12 and casing 10, and set up the second ventilation groove 27 the same with first ventilation groove 11 on the baffle 26, when second ventilation groove 27 corresponds with first ventilation groove 11, can ventilate and dispel the heat in the casing 10, when second ventilation groove 27 staggers with first ventilation groove 11, the air just can't get into in the casing 10, the top fixed mounting of hole groove 21 has closing plate 3, closing plate 3 passes through the bolt mounting in hole groove 21, can also set up sealed the pad between closing plate 3 and the hole groove 21, seal up the top of mounting box 22.
The sliding grooves 28 are fixedly connected to two sides of the mounting box 22 at the bottom of the cover plate 20, the push-pull plate 25 is slidably connected inside the sliding grooves 28, and the push-pull plate 25 is made of elastic material, so that the push-pull plate 25 is easy to bend when pushing the baffle 26, and the push-pull plate 25 is wrapped by the sliding grooves 28, so that the push-pull plate 25 cannot be bent, and the piston 24 is ensured to push the baffle 26 to move through the push-pull plate 25.
Positioning rods 29 are fixedly connected to two sides of the push-pull plate 25, one end, far away from the push-pull plate 25, of each positioning rod 29 is fixedly connected with the corresponding sliding groove 28, the push-pull plate 25 is fixed by the positioning rods 29, the problem that the baffle 26 slides downwards is solved, and when force is applied to the push-pull plate 25, the positioning rods 29 can be broken, so that the push-pull plate 25 can move.
The automatic fire extinguishing lithium battery based on the microcapsule of the embodiment has the following working principle:
when the lithium battery body 4 breaks out a fire, the fire extinguishing agent 3 made of the microcapsule fire extinguishing material is heated and dispersed, so that the air pressure in the mounting box 22 is increased, the air pressure pushes the piston 24 to move, the piston 24 applies force to the push-pull plate 25, the positioning rod 29 is broken, the push-pull plate 25 pushes the baffle 26 to move downwards, the second ventilation groove 27 and the first ventilation groove 11 are staggered, air cannot enter the shell 10, after oxygen in the shell 10 is burnt, flame can be extinguished, the purpose of extinguishing a fire is achieved, the using amount of the fire extinguishing agent 3 is small, and the manufacturing cost is reduced.
Example two:
as shown in fig. 5, the present embodiment is different from the first embodiment in that a one-way valve 5 is disposed on a cover plate 20 for discharging air in a case 10.
The automatic fire extinguishing lithium battery based on the microcapsule of the embodiment has the following working principle:
the lithium battery body 4 produces heat in the combustion process for the atmospheric pressure increase in the casing 10, after atmospheric pressure reached a definite value, the air in the casing 10 just can discharge through check valve 5, makes the atmospheric pressure in the casing 10 stabilize in safe value, has avoided the problem of explosion, has improved the security.
Compared with the prior art, the utility model discloses for prior art have following beneficial effect:
1. when the lithium battery body 4 in the shell 10 is in a fire disaster, the temperature is transmitted to the fire extinguishing agent 3 made of the microcapsule fire extinguishing material in the mounting box 22, the fire extinguishing agent 3 is released by heating, the air pressure in the mounting box 22 rises, the piston 24 is pushed to slide towards the outside of the mounting box 22, the push-pull plate 25 slides under the stress, the positioning rod 29 is broken, the push-pull plate 25 pushes the baffle 26 to move downwards, the second ventilation groove 27 and the first ventilation groove 11 are staggered, the air is prevented from entering the shell 11, the oxygen is cut off, the purpose of fire extinguishing can be achieved when the oxygen in the shell 11 is burnt completely, the quantity of the adopted fire extinguishing agent 3 is small, the cost is reduced, and the fire extinguishing agent is convenient to popularize.
2. Through setting up check valve 5, after lithium cell 4 takes place the fire disaster, baffle 26 has cut off in the air admission casing 10, has closed casing 10, and the heat that lithium cell 4 burning produced this moment makes the gas expansion in the casing 10, and atmospheric pressure increase reaches after certain numerical value when atmospheric pressure, just can follow the interior discharge of check valve 5 to the continuation of casing 10 internal gas pressure has been avoided growing, thereby has avoided the problem because of the too big explosion of atmospheric pressure, has improved the security.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 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.
It will be understood by those skilled in the art that the invention, including any combination of the elements of the above description and the detailed description and illustrated in the accompanying drawings, is not limited to the details and should not be construed as limited to the embodiments set forth herein for the sake of brevity. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a self-extinguishing lithium battery based on microcapsule, its characterized in that, includes casing (10) and apron (20), apron (20) fixed mounting is at the top of casing (10), be provided with lithium cell body (4) in casing (10), first ventilation groove (11) have been seted up to the left and right sides of casing (10), inner wall fixedly connected with locating plate (12) of casing (10), hole groove (21) have been seted up at the middle part of apron (20), the position fixedly connected with mounting box (22) that apron (20) bottom and hole groove (21) correspond, the inside of mounting box (22) is provided with fire extinguishing agent (23), the inside sliding connection of mounting box (22) has piston (24), one side fixedly connected with push-and-pull plate (25) of fire extinguishing agent (23) are kept away from in piston (24), one side fixedly connected with baffle (26) that piston (24) were kept away from in push-pull plate (25), just set up the second ventilation groove (27) the same with first ventilation groove (11) on baffle (26), the top fixed mounting of hole groove (21) has closing plate (3).
2. A self-extinguishing lithium battery based on microcapsules according to claim 1 characterized in that the cover plate (20) is provided with a one-way valve (5).
3. The microcapsule-based lithium battery with automatic fire extinguishing function as claimed in claim 2, wherein a lower locating block (6) is fixedly connected to the inner bottom of the shell (10), and an upper locating block (7) is fixedly connected to the bottom of the cover plate (20) at a position corresponding to the lower locating block (6).
4. The microcapsule-based lithium battery with automatic fire extinguishing function as claimed in claim 2, wherein the top of the inner wall of the casing (10) is fixedly connected with a connecting block (13), and the cover plate (20) is provided with a through hole at a position corresponding to the connecting block (13).
5. The automatic fire extinguishing lithium battery based on microcapsules as claimed in claim 2, wherein sliding grooves (28) are fixedly connected to both sides of the mounting box (22) at the bottom of the cover plate (20), and the push-pull plate (25) is slidably connected to the inside of the sliding grooves (28).
6. The automatic fire extinguishing lithium battery based on the microcapsule as recited in claim 5, wherein positioning rods (29) are fixedly connected to both sides of the push-pull plate (25), and one end of each positioning rod (29) far away from the push-pull plate (25) is fixedly connected to the chute (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222158031.2U CN218215507U (en) | 2022-08-17 | 2022-08-17 | Automatic fire extinguishing lithium battery based on microcapsules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222158031.2U CN218215507U (en) | 2022-08-17 | 2022-08-17 | Automatic fire extinguishing lithium battery based on microcapsules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218215507U true CN218215507U (en) | 2023-01-03 |
Family
ID=84656081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222158031.2U Active CN218215507U (en) | 2022-08-17 | 2022-08-17 | Automatic fire extinguishing lithium battery based on microcapsules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218215507U (en) |
-
2022
- 2022-08-17 CN CN202222158031.2U patent/CN218215507U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209374491U (en) | A kind of lithium battery with explosion-proof flame-retardant device | |
| CN113422133B (en) | Structure for preventing battery thermal runaway, battery shell and battery | |
| CN203983375U (en) | Safety valve and the battery that comprises this safety valve and battery modules | |
| CN109962190B (en) | Battery pack and vehicle | |
| CN110518476B (en) | Safety high-low voltage power distribution cabinet | |
| CN112038528B (en) | Battery box | |
| CN112615094A (en) | Battery module for vehicle and vehicle | |
| CN218215507U (en) | Automatic fire extinguishing lithium battery based on microcapsules | |
| CN115000611A (en) | Power battery assembly | |
| CN215059815U (en) | Integrated burning-resistant fire-retardant breather valve | |
| CN115732846A (en) | Fire-proof and explosion-proof battery box | |
| CN208460850U (en) | A kind of battery open circuit explosion-proof valve and its anti-explosion battery | |
| CN107185132A (en) | Battery pack | |
| CN218420726U (en) | Battery pack | |
| CN217544801U (en) | Power box | |
| CN216980715U (en) | Top cover structure with flame-retardant function and battery | |
| CN114639918B (en) | Composite packaging lithium battery structure with flame retardant function | |
| CN214388587U (en) | Automatically controlled formula automatic fire extinguishing pipe | |
| CN221569549U (en) | Pressure relief valve of energy storage system | |
| CN111181213A (en) | Lithium battery charging explosion-proof device | |
| CN221508409U (en) | New energy automobile battery explosion-proof cover plate | |
| CN217445037U (en) | Lithium cell group MOS pipe failure protection system | |
| CN218234945U (en) | Effectual copper door gives sound insulation | |
| CN211208500U (en) | Battery system for inhibiting thermal runaway diffusion and electric automobile | |
| CN114374019B (en) | Self-extinguishing protection device for power battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20240705 Granted publication date: 20230103 |