CN113713297A - Immersed fire extinguishing and directional pressure relief explosion-proof device and method for prefabricated cabin of lithium battery - Google Patents
Immersed fire extinguishing and directional pressure relief explosion-proof device and method for prefabricated cabin of lithium battery Download PDFInfo
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- CN113713297A CN113713297A CN202111142776.3A CN202111142776A CN113713297A CN 113713297 A CN113713297 A CN 113713297A CN 202111142776 A CN202111142776 A CN 202111142776A CN 113713297 A CN113713297 A CN 113713297A
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000006260 foam Substances 0.000 claims abstract description 150
- 238000004146 energy storage Methods 0.000 claims abstract description 61
- 238000004200 deflagration Methods 0.000 claims abstract description 17
- 238000004880 explosion Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 230000008439 repair process Effects 0.000 claims abstract description 4
- 238000007654 immersion Methods 0.000 claims abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 230000007704 transition Effects 0.000 claims description 21
- 238000005507 spraying Methods 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 6
- 239000002341 toxic gas Substances 0.000 claims description 6
- 239000002360 explosive Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000005474 detonation Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims 1
- 230000000153 supplemental effect Effects 0.000 claims 1
- 230000032258 transport Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000779 smoke Substances 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
- 230000001502 supplementing effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/04—Removing or cutting-off the supply of inflammable material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/12—Nozzles specially adapted for fire-extinguishing for delivering foam or atomised foam
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
- A62C5/022—Making of fire-extinguishing materials immediately before use of foam with air or gas present as such
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0036—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using foam
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
本发明属于锂电池储能预制舱技术领域，尤其为一种锂电池预制舱浸没式灭火及定向泄压防爆装置及其方法，包括CAFS灭火方舱，所述CAFS灭火方舱内集成安装有压缩泡沫供给装置；采用全浸没式将锂电池储能预制舱内用压缩空气泡沫全部充满，使电池全部浸没在泡沫中，隔绝氧气迅速灭火，将已发生热失控的电池模组或单体的爆燃束缚在泡沫的包裹中，减少其爆炸当量，并有效阻止燃烧的形成，通过持续的降温，逐渐降低产生新的爆燃的可能性直至消除，当泡沫层被电池爆燃的气体压力冲破或泡沫自身析液导致泡沫层降低时，补充泡沫对泡沫层进行修复并保持全浸没状态，从而达到持续有效的灭火效果，能够在短时间内快速抑制火情。
The invention belongs to the technical field of lithium battery energy storage prefabricated cabins, in particular to a lithium battery prefabricated cabin submerged fire-extinguishing and directional pressure relief explosion-proof device and a method thereof, including a CAFS fire-extinguishing shelter, wherein the CAFS fire-extinguishing shelter is integrated with a compressed air Foam supply device; the lithium battery energy storage prefabricated cabin is fully filled with compressed air foam by full immersion, so that the battery is completely immersed in the foam, and the oxygen is isolated to quickly extinguish the fire, and the deflagration of the battery module or single cell that has undergone thermal runaway has occurred. It is bound in the foam package, reducing its explosion equivalent and effectively preventing the formation of combustion. Through continuous cooling, the possibility of new deflagration is gradually reduced until it is eliminated. When the liquid causes the foam layer to decrease, the supplementary foam repairs the foam layer and maintains the fully immersed state, so as to achieve a continuous and effective fire extinguishing effect, and can quickly suppress the fire in a short time.
Description
Technical Field
The invention belongs to the technical field of lithium battery energy storage prefabricated cabins, and particularly relates to an immersed fire extinguishing and directional pressure relief explosion-proof device and method for a lithium battery prefabricated cabin.
Background
In recent years, the smart grid construction and the rapid development of battery energy storage technology at home and abroad have increased the demand of battery energy storage. The energy storage technology becomes one of key technologies for developing and constructing the smart power grid, and has the advantages of improving the low energy quality of the power grid, clipping peaks and filling valleys, emergency standby, increasing the utilization rate of renewable energy sources and the like. The prefabricated cabin type battery energy storage system has the advantages of mature technology, high capacity, mobility, convenience in installation and the like, and has wide application prospect in a power grid system. With the rapid development of new generation lithium battery materials and the further improvement of battery technology, lithium batteries become the most widely used batteries in battery energy storage systems. However, although the lithium battery has excellent performance, thermal runaway can occur under abuse conditions such as overheating, over-charging and discharging, short circuit and the like, a large amount of heat and toxic smoke are released, and further fire explosion accidents can be caused.
Therefore, fire and explosion of the lithium battery are very easy to occur in the lithium battery energy storage prefabricated cabin, the current fire extinguishing method refers to a fire extinguishing mode of an electrical fire, and adopts water mist or gas for fire extinguishing, the lithium battery fire is completely different from the electrical fire, detonation is caused by thermal runaway of the battery, the spreading speed is high, the re-combustion is very easy, and the two modes of water mist or gas for fire extinguishing have poor cooling effect, can not effectively isolate oxygen and can not inhibit the re-combustion and re-explosion of the lithium battery.
Therefore, this technical field personnel provide a prefabricated cabin submergence formula extinguishing device of lithium cell, adopt the compressed air foam system of initiative joining air to carry out the full submergence formula to prefabricated cabin and put out a fire to the problem that proposes in solving above-mentioned background.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides an immersed fire extinguishing and directional pressure relief explosion-proof device for a lithium battery prefabricated cabin and a method thereof, and the device has the characteristics of simple and reasonable structure, effective oxygen isolation, and sustainable spraying to inhibit after-combustion and after-explosion of a lithium battery.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prefabricated cabin submergence formula of lithium cell is put out a fire and directional pressure release explosion-proof equipment:
the CAFS fire extinguishing shelter comprises a CAFS fire extinguishing shelter, wherein a compressed foam supply device is integrally installed in the CAFS fire extinguishing shelter;
the compressed foam supply device comprises a transition water tank communicated with a municipal water supply pipeline and used for storing a water source;
the output end of the transition water tank is communicated with a water pump, the input end of the water pump is communicated with the output end of the transition water tank, the output end of the water pump is communicated with a foam generating device, so that a water source stored in the transition water tank can be input into the foam generating device, and the input end of the foam generating device is also communicated with an air compressor for providing compressed air for the foam generating device and mixing foam liquid in the foam generating device to generate compressed foam.
Preferably, the output end of the foam generating device is communicated with a conveying pipeline, and a plurality of area selection valves corresponding to different areas in the external lithium battery energy storage prefabricated cabin are fixedly arranged in the conveying pipeline.
Preferably, a compressed air foam spraying device communicated with the output end of the area selection valve is arranged in the external lithium battery energy storage shelter, and the compressed air foam spraying device comprises a spray head and a release pipe.
Preferably, the fire extinguishing system comprises a control system which is arranged in an external control room and is linked with FAS, and the control system is used for controlling the starting of the fire extinguishing system and the opening of the water pump of each valve, and the foam generating device is in signal connection with the control system.
Preferably, a sensor for measuring the flow rate and pressure of the foam is arranged at the outlet of the foam generating device.
Preferably, the output end of the transition water tank is also communicated with an external fire hydrant.
Preferably, the top of the external lithium battery energy storage prefabricated cabin is provided with an explosion disc device, and the input end of the explosion disc device is in signal connection with the output end of the control system.
Preferably, explode the dish device and be explosion-proof butterfly valve, explode the input of dish device with the prefabricated cabin inside intercommunication of lithium cell energy storage, the output that explodes the dish device runs through the prefabricated cabin of lithium cell energy storage extends to the outside in the prefabricated cabin of lithium cell energy storage.
Preferably, the method comprises the following steps:
s1, the water pump transmits the water source in the transition water tank to a foam generating device, and after the water source is mixed with foam liquid in the foam generating device, the air compressor provides compressed air for the foam generating device and mixes the compressed air with the foam liquid to generate compressed foam;
s2, transmitting the foam to a compressed air foam spraying device through a transmission pipeline, and spraying the foam in a lithium battery energy storage square cabin;
s3, detecting a deflagration area by an FAS system, controlling the opening and closing of a compressed foam supply device by a control system linked with the FAS, controlling the opening of an area selector valve, conveying foam into a lithium battery energy storage prefabricated cabin in which a fire disaster occurs, and then spraying the foam through a compressed air foam spraying device to fully fill the lithium battery energy storage prefabricated cabin so that the battery is fully immersed in the foam;
s4, an FAS system detects that the disk explosion device is started as long as the air pressure in the room is too high, the pressure in the lithium battery energy storage prefabricated room is released in a directional mode, and meanwhile inflammable, explosive and toxic gas generated by deflagration is discharged out of the lithium battery energy storage prefabricated room.
Preferably, the CAFS fire extinguishing shelter communicated with the lithium battery energy storage prefabricated cabin is arranged, the lithium battery energy storage prefabricated cabin is fully filled with compressed air foam in a fully-immersed mode, the battery is fully immersed in the foam, oxygen is isolated, fire is rapidly extinguished, and when the foam layer is broken by gas pressure generated by battery deflagration or the foam layer is reduced due to self-liquid separation of the foam, the foam is supplemented to repair the foam layer and keep a fully-immersed state.
Compared with the prior art, the invention has the beneficial effects that:
the fully-immersed type compressed air foam is fully filled in a lithium battery energy storage prefabricated cabin (a battery module cabin in the cabin) so that batteries are fully immersed in the foam, oxygen is isolated to quickly extinguish fire, the battery module with thermal runaway or single deflagration is bound in the foam, the explosion equivalent of the battery module is reduced, the formation of combustion is effectively prevented, the possibility of generating new deflagration is gradually reduced until the new deflagration is eliminated through continuous cooling, when the foam layer is broken by the gas pressure of battery deflagration or the foam self-liquid separation causes the reduction of the foam layer, the foam is supplemented to repair the foam layer and keep a fully-immersed state, so that the continuously effective fire extinguishing effect is achieved, the fire can be quickly suppressed in a short time, and the loss is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of an integrated installation structure of an immersed fire extinguishing and directional pressure relief explosion-proof device according to the present invention.
In the figure: 1. a CAFS fire extinguishing shelter; 2. a transition water tank; 3. a water pump; 4. an air compressor; 5. a foam generating device; 6. a delivery conduit; 61. a zone select valve; 7. compressed air foam blowing device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides the following technical solutions: the utility model provides a prefabricated cabin submergence formula of lithium cell is put out a fire and directional pressure release explosion-proof equipment:
the CAFS fire extinguishing shelter comprises a CAFS fire extinguishing shelter 1, wherein a compressed foam supply device is integrally installed in the CAFS fire extinguishing shelter 1;
the compressed foam supply device comprises a transition water tank 2 communicated with a municipal water supply pipeline and used for storing water sources;
the output end of the transition water tank 2 is communicated with a water pump 3, the input end of the water pump 3 is communicated with the output end of the transition water tank 2, the output end of the water pump 3 is communicated with a foam generating device 5, so that a water source stored in the transition water tank 2 can be input into the foam generating device 5, and the input end of the foam generating device 5 is also communicated with an air compressor 4 for providing compressed air to the foam generating device 5 and mixing the compressed air with foam liquid in the foam generating device 5 to generate compressed foam; the output end of the transition water tank 2 is also communicated with an external fire hydrant, so that when a fire disaster spreads out of the lithium battery energy storage prefabricated cabin, the fire can be extinguished in time through the external fire hydrant, the spread of the fire disaster is inhibited, the overall safety is enhanced, the transition water tank 2 has multiple functions in installation, and the practicability is high;
the fire extinguishing system further comprises a control system which is arranged in an external control room and is linked with the FAS, and the control system is used for controlling the starting of the fire extinguishing system and the signal connection of the water pump 3 and the foam generating device 5 of each level of valve.
Specifically, the compressed foam supply device can provide a wet compressed air foam extinguishing agent with the water content of about 14.3 percent and a dry compressed air foam extinguishing agent with the water content of about 4.8 percent by adjusting the gas-liquid ratio, the wet foam has good flowing property and can quickly extinguish open fire, the dry foam has good adhesion and accumulation property, and the dry foam and the wet foam are mixed in a proper proportion, so that the sprayed compressed foam has the flowing property of the wet foam and the adhesion and accumulation property of the dry foam, can quickly fill the prefabricated cabin and is used for covering and cooling the combustion objects, preventing re-combustion, performing heat insulation protection on the surface, preventing heat radiation ignition and the like.
Further, a sensor for measuring the flow rate and pressure of the foam is provided at the outlet of the foam generating device 5.
In an optional embodiment, the output end of the foam generating device 5 is communicated with a conveying pipeline 6, a plurality of area selection valves 61 corresponding to different areas in an external lithium battery energy storage prefabricated cabin are fixedly arranged in the conveying pipeline 6, a compressed air foam blowing device 7 communicated with the output end of the area selection valves 61 is arranged in the external lithium battery energy storage square cabin, the compressed air foam blowing device 7 comprises a spray head and a release pipe, when an explosion-detonation area is detected by an FAS system, a control system linked with the FAS controls the opening and closing of a compressed foam supply device, the area selection valves 61 are controlled to be opened, foam is conveyed into the lithium battery energy storage prefabricated cabin in which a fire hazard occurs, then the compressed air foam blowing device 7 is used for blowing, the lithium battery energy storage prefabricated cabin is completely filled, so that the battery is completely immersed in the foam, and the area is completely filled with the foam;
in an optional embodiment, an explosion disc device is arranged at the top of the external lithium battery energy storage prefabricated cabin, and the input end of the explosion disc device is in signal connection with the output end of the control system.
It is specific, it is explosion-proof butterfly valve to explode the dish device, the input and the prefabricated cabin inside intercommunication of lithium cell energy storage of exploding the dish device, the output that explodes the dish device runs through the outside that the prefabricated cabin of lithium cell energy storage extends to the prefabricated cabin of lithium cell energy storage, and thus, FAS system detects as long as the cabin interior high atmospheric pressure opens promptly and explodes the dish device, the pressure in the prefabricated cabin of directional release lithium cell energy storage, simultaneously with the easily burning of detonation production, it is explosive, the prefabricated cabin of toxic gas discharge lithium cell energy storage, thereby in time let out the easily burning and exploding toxic gas that the prefabricated cabin of battery energy storage deflagrated the production.
A method for immersed fire extinguishing and directional pressure relief explosion prevention of a lithium battery prefabricated cabin comprises the following steps:
s1, the water pump 3 transmits the water source in the transition water tank 2 to the foam generating device 5, and after the water source is mixed with the foam liquid in the foam generating device 5, the air compressor 4 provides compressed air for the foam generating device 5, and the compressed air is mixed with the foam liquid to generate compressed foam;
s2, transmitting the foam to a compressed air foam spraying device 7 through a conveying pipeline 6, and spraying the foam in a lithium battery energy storage square cabin;
s3, the FAS system detects a deflagration area in an external lithium battery energy storage prefabricated cabin, transmits signals to a control system linked with the FAS, controls the opening and closing of a compressed foam supply device through the control system, controls the opening of an area selection valve 61, conveys foam into the lithium battery energy storage prefabricated cabin in which a fire hazard occurs, and discharges the foam through a compressed air foam discharge device 7 to fully fill the lithium battery energy storage prefabricated cabin so that the battery is fully immersed in the foam;
s4, an FAS system detects that the disk explosion device is started as long as the air pressure in the room is too high, the pressure in the lithium battery energy storage prefabricated room is released in a directional mode, and meanwhile inflammable, explosive and toxic gas generated by deflagration is discharged out of the lithium battery energy storage prefabricated room.
Specifically, the CAFS fire extinguishing shelter 1 communicated with the lithium battery energy storage prefabricated cabin is arranged, the lithium battery energy storage prefabricated cabin is fully filled with compressed air foam in a fully-immersed mode, the battery is fully immersed in the foam, oxygen is isolated to extinguish the fire rapidly, and when the foam layer is broken by the gas pressure of battery deflagration or the foam self-elutriates to cause the foam layer to reduce, the foam layer is repaired by supplementing the foam and is kept in a fully-immersed state.
The working principle and the using process of the invention are as follows: the water source in the transition water tank 2 is transmitted into a foam generating device 5 by a water pump 3, the water source is mixed with foam liquid in the foam generating device 5, an air compressor 4 provides compressed air for the foam generating device 5 to be mixed with the foam liquid to generate compressed foam, an FAS system detects a deflagration area in an external lithium battery energy storage prefabricated cabin, signals are transmitted to a control system linked with the FAS, the control system controls the opening and closing of a compressed foam supply device, a control area selection valve 61 is opened to convey the foam into the lithium battery energy storage prefabricated cabin in which a fire occurs, the compressed air foam discharge device 7 is used for discharging, the lithium battery energy storage prefabricated cabin is completely filled, batteries are completely immersed in the foam, oxygen is isolated to rapidly extinguish the fire, deflagration of battery modules or monomers which generate heat out of control is bound in the package of the foam, the explosion equivalent is reduced, the FAS system detects that the disk explosion device is started as long as the air pressure in the room is too high, the pressure in the lithium battery energy storage prefabricated room is released in a directional mode, meanwhile, inflammable, explosive and toxic gas generated by deflagration is discharged out of the lithium battery energy storage prefabricated room, and compressed air foam is automatically and continuously provided in an intermittent mode, so that the continuous and effective fire extinguishing effect is achieved, the fire can be quickly suppressed in a short time, and the loss is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
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| CN202111142776.3A CN113713297A (en) | 2021-09-28 | 2021-09-28 | Immersed fire extinguishing and directional pressure relief explosion-proof device and method for prefabricated cabin of lithium battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116350973A (en) * | 2023-06-02 | 2023-06-30 | 中国华能集团清洁能源技术研究院有限公司 | Battery cabin fire control system, battery cabin and battery cabin fire management method |
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| CN216908965U (en) * | 2021-09-28 | 2022-07-08 | 天津天雾智能科技有限公司 | Immersion type fire extinguishing and directional pressure relief explosion-proof device for prefabricated cabin of lithium battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116350973A (en) * | 2023-06-02 | 2023-06-30 | 中国华能集团清洁能源技术研究院有限公司 | Battery cabin fire control system, battery cabin and battery cabin fire management method |
| CN116350973B (en) * | 2023-06-02 | 2023-08-29 | 中国华能集团清洁能源技术研究院有限公司 | Battery cabin fire control system, battery cabin and battery cabin fire management method |
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