CN110613904A - Fire fighting strategy for battery prefabricated cabin arranged in double layers of lithium iron phosphate energy storage power station - Google Patents
Fire fighting strategy for battery prefabricated cabin arranged in double layers of lithium iron phosphate energy storage power station Download PDFInfo
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- CN110613904A CN110613904A CN201910760872.0A CN201910760872A CN110613904A CN 110613904 A CN110613904 A CN 110613904A CN 201910760872 A CN201910760872 A CN 201910760872A CN 110613904 A CN110613904 A CN 110613904A
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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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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Abstract
The invention belongs to the field of fire control of battery prefabricated cabins, and particularly relates to a fire control strategy for a battery prefabricated cabin arranged in a double-layer manner in a lithium iron phosphate energy storage power station, which comprises a water curtain cooling system, wherein the water curtain cooling system is used for cooling and extinguishing fire on the outer surface of the battery prefabricated cabin; the water curtain cooling system comprises a cooling pipe network distributed along the periphery of the top of the battery prefabricated cabin and a plurality of high-resistance water distribution pipes parallel to the direction of the short edge of the top of the battery prefabricated cabin; the plurality of large-resistance water distribution pipes are uniformly distributed at the top of the battery prefabricated cabin and are communicated with the cooling pipe network; wherein, a plurality of sprinkling nozzles are uniformly distributed on the cooling pipe network; and a plurality of water distribution pipe nozzles are uniformly distributed on each high-resistance water distribution pipe. The utility model provides a fire control strategy can effectively automatic outside watering realize putting out a fire to the prefabricated cabin of battery, guarantees fire fighter's safety.
Description
Technical Field
The invention belongs to the field of fire control of battery prefabricated cabins, and particularly relates to a fire control strategy for a double-layer arranged battery prefabricated cabin of a lithium iron phosphate energy storage power station.
Background
The battery that this lithium cell energy storage cabin used at present is the lithium iron phosphate battery, and when certain battery cell in this battery management system BMS management became invalid or the battery module took place to charge overcharge, local battery cell took place to cross and became invalid, and battery body casing takes place to warp, and whole battery module all will take place to become invalid when serious, and when becoming invalid, the combustion can take place in the energy storage cabin, probably produces the explosion when serious.
The existing cooling protection design concept outside the energy storage cabin is as follows: (1) an external fire emergency rescue team after an accident is adopted to implement water spray cooling of the energy storage extravehicular fire hydrant; (2) rescue workers in the power station use a fire hydrant system of the energy storage cabin station to carry out external cooling; (3) and a large number of fire hydrant fire extinguishing systems outside are used for carrying out irrigation cooling on the energy storage cabin.
Technical problems and disadvantages in prior art solutions are adopted: if an energy storage extra-cabin fire hydrant cooling system is adopted, the water spraying is uneven, the water consumption is large, the duration is long, and a large amount of manpower and material resources are consumed. In case of fire, combustible steam and gas can be released from the energy storage cabin, which causes great damage to field rescuers. If the scheme of pressurizing and watering the outside in the energy storage cabin is adopted, the cabin door needs to be opened, and the oxygen concentration in the energy storage cabin is recovered instantly when the cabin door is opened, so that the detonation phenomenon is generated, and personnel are injured. The above solutions are difficult to implement in terms of personal safety of rescuers.
Especially, in order to solve the problem that the battery energy storage cabin occupies too large area and is not high in land utilization efficiency in the conventional project, the conventional 40-foot energy storage cabin is split into two 20-foot energy storage cabins, and the two energy storage cabins are arranged in a stacked mode. After the range upon range of, if the container after catching fire, if guarantee the support of upper container and the isolation of upper and lower floor, how to sprinkle fast and put out a fire and avoid heat-conduction and heat radiation, all be the difficult problem that awaits the solution urgently.
Disclosure of Invention
The invention provides a fire-fighting strategy for a battery prefabricated cabin arranged in a double-layer manner in a lithium iron phosphate energy storage power station, which can effectively and automatically spray water from the outside to extinguish the fire of the battery prefabricated cabin and ensure the safety of fire fighters.
In order to achieve the technical purpose, the fire-fighting strategy for the battery prefabricated cabin of the lithium iron phosphate energy storage power station in double-layer arrangement comprises a water curtain cooling system, wherein the water curtain cooling system is used for cooling and extinguishing fire on the outer surface of the battery prefabricated cabin; the water curtain cooling system comprises a cooling pipe network distributed along the periphery of the top of the battery prefabricated cabin and a plurality of high-resistance water distribution pipes parallel to the direction of the short edge of the top of the battery prefabricated cabin; the plurality of large-resistance water distribution pipes are uniformly distributed at the top of the battery prefabricated cabin and are communicated with the cooling pipe network; wherein, a plurality of sprinkling nozzles are uniformly distributed on the cooling pipe network; and a plurality of water distribution pipe nozzles are uniformly distributed on each high-resistance water distribution pipe.
As the improved technical scheme, the cooling pipe network is communicated with the external water supply system pipe network, and the cooling pipe network and the external water supply system pipe network communication section are provided with the cooling system control valve.
As the improved technical scheme, when the water curtain cooling system is used for the lithium iron phosphate energy storage power station battery prefabricated cabin arranged in a double-layer mode, the water curtain cooling system is installed above the upper-layer battery prefabricated cabin.
When the battery prefabricated cabin is used for a lithium iron phosphate energy storage power station battery prefabricated cabin arranged in a double-layer mode, the upper battery prefabricated cabin is arranged above the lower battery prefabricated cabin, and a fireproof isolation space is reserved between the upper battery prefabricated cabin and the lower battery prefabricated cabin; a fire-proof partition plate is arranged in the fire-proof isolation space, at least two water cooling pipelines are distributed in the fire-proof partition plate along the length direction of the fire-proof partition plate, and the water cooling pipelines are communicated with an external water supply system pipe network; the water cooling pipeline is provided with an upward nozzle, and the covering surface sprayed by the nozzle is the upper surface of the fireproof partition plate.
As an improved technical scheme of the application, the fireproof clapboard is made of A-type non-combustible materials.
As an improved technical scheme of the application, the upper surface of the fireproof partition board is provided with a water chute, and the shape of the water chute is matched with the shape of the top of the lower battery prefabricated cabin.
As the improved technical scheme of the application, the water curtain cooling system is started through the automatic fire alarm system and the battery management system, and the method specifically comprises the following steps of setting a first threshold value and a second threshold value of a combustible gas detection alarm system; when the detection value of the combustible gas detection alarm system reaches a first threshold value, the BMS battery management system is linked to start the explosion-proof electric fan; when combustible gas surveys alarm system and reaches the second threshold value, detect the tripping operation back of PCS circuit breaker at BMS battery management system, close explosion-proof electric fan by BMS battery management system, start fire extinguishing system and water curtain cooling system simultaneously.
As an improved technical solution of the present application, the first threshold is a combustible gas concentration of 2% LEL; the second threshold is a combustible gas concentration of 4% LEL.
As the improved technical scheme of the application, the combustible gas detection alarm system comprises a manual alarm button, a temperature-sensitive detector, a smoke-sensitive detector and a plurality of combustible gas detectors; when the detection value of the manual alarm button or any detector reaches a first threshold value, the manual alarm button, the temperature-sensitive detector, the smoke-sensitive detector and the plurality of combustible gas detectors are linked with the BMS battery management system to start the explosion-proof electric fan; when the concentration of the combustible gas reaches a first threshold value, and the manual alarm button is combined with any one of the temperature-sensitive detector, the smoke-sensitive detector and the combustible gas detector, or the temperature-sensitive detector is combined with any one of the smoke-sensitive detector and the combustible gas detector, or the smoke-sensitive detector is combined with the combustible gas detector, or the detection concentration of any two combustible gas detectors is 4% LEL, after the PCS circuit breaker is judged to trip, the fire extinguishing system and the water curtain cooling system are started.
Advantageous effects
A water spray or water curtain cooling system is arranged on the energy storage cabin. The cooling water spray intensity is designed according to the cooling water spray intensity requirements specified in GB50129-2014 design Specification for water spray fire extinguishing systems and GB50084-2017 design Specification for automatic water spray fire extinguishing systems, so that manual peripheral cooling of fire hydrants is replaced, and the cooling water spray intensity is more continuous and more effective.
The use place of the invention is arranged outdoors in the energy storage cabin, and the energy storage cabin is cooled and protected in each period when the energy storage cabin is in fire. The protection can strengthen the fire resistance limit of the equipment structure, and can realize that the fire in the energy storage cabin under the fire condition does not spread and diffuse.
The scheme is installed after the battery energy storage cabin is installed in place, and the strength test and the air tightness test of the system are carried out. When the energy storage cabin needs to be detached and hoisted in the later period, the pipe network of the water mist cooling system can be detached firstly, so that the energy storage cabin can be hoisted; the design of structure can strengthen structure fire behavior greatly, can improve structure fire rating.
Manufacturing and installing according to GB50261-2017 'construction acceptance standard of automatic water spraying fire extinguishing system', and executing the operation according to a working principle diagram; the cooling medium used in the system release process is the drinking water, and has no harm to the environment and equipment.
To sum up, the technical scheme of this application can be automatically put out a fire the cooling to battery energy storage cabin periphery under fire extinguishing systems's control, and water curtain cooling system simple to operate does not influence the installation and the use in prefabricated cabin of battery.
Drawings
FIG. 1 is a schematic diagram of the fire protection strategy of the present application;
FIG. 2 is a schematic view of an installation structure of a water curtain cooling system on a battery prefabricated cabin of the present application;
FIG. 3 is a schematic view of the construction of the fire barrier of the present application;
in the figure, 1, an upper battery prefabricated cabin; 2. a lower battery prefabricated cabin; 3. a fire-proof isolation space; 4. a fixed point; 5. a fire barrier; 6. a water cooling pipeline; 7. a cooling pipe network; 8. an external water supply system pipe network; 9. a sprinkler head; 10. a high-resistance water distribution pipe; 11. a water distribution pipe nozzle; 12. a cooling system control valve.
Detailed Description
In order to make the purpose and technical solution of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As shown in fig. 2, a fire-fighting strategy for a battery prefabricated cabin arranged in a double-layer manner in a lithium iron phosphate energy storage power station comprises a water curtain cooling system, wherein the water curtain cooling system is used for cooling and extinguishing fire on the outer surface of the battery prefabricated cabin; the water curtain cooling system comprises a cooling pipe network 7 arranged along the periphery of the top of the battery prefabricated cabin and a plurality of high-resistance water distribution pipes 10 parallel to the direction of the short side of the top of the battery prefabricated cabin; the plurality of large-resistance water distribution pipes 10 are uniformly distributed at the top of the battery prefabricated cabin, and the plurality of large-resistance water distribution pipes 10 are communicated with the cooling pipe network 7; wherein, a plurality of sprinkling nozzles 9 (open nozzles) are uniformly distributed on the cooling pipe network 7; a plurality of water distribution pipe nozzles 11 are uniformly distributed on each high-resistance water distribution pipe 10. The cooling pipe network 7 is communicated with an external water supply system pipe network 8, and a cooling system control valve 12 is arranged at the communicated section of the cooling pipe network 7 and the external water supply system pipe network 8.
The external water supply system pipe network 8 comprises water supply facilities such as a water pump, a high-level water tank, a pressure stabilizing device and the like, the water pump is communicated with the water distribution pipe network system, and a pressure switch (hydraulic indicating device) control valve (cooling system control valve 12) is arranged on a communication path of the water pump and the water distribution pipe network system.
The fire-fighting strategy is suitable for cooling and fire extinguishing of the existing lithium iron phosphate energy storage power station, is also suitable for the lithium iron phosphate energy storage power station battery prefabricated cabin arranged in a double layer, and when the lithium iron phosphate energy storage power station battery prefabricated cabin arranged in the double layer is used, the water curtain cooling system is installed above the upper battery prefabricated cabin 1. And starting the water cooling protection system outside the energy storage cabin while starting the fire extinguishing system in the battery prefabricated cabin.
As shown in fig. 2 to 3, in order to prevent the flame from moving up and down when used in the prefabricated cabin of the lithium iron phosphate energy storage power station battery with double-layer arrangement: firstly, fire is controlled by extinguishing and cooling through fine water mist in the battery prefabricated cabin and cooling through water mist outside the battery prefabricated cabin, and the safety of the structure is also ensured, namely, a fire extinguishing system is adopted for extinguishing fire; secondly, a fireproof partition is added between the two energy storage cabins (battery prefabricated cabins), and the fire resistance limit of the fireproof partition needs to reach more than 3 hours; thirdly, an external tank cooling system is added, which can solve the heat conduction and radiation by a cooling solution (as described above).
Increase the fire prevention wall between two energy storage cabins (prefabricated cabin of battery), its fire prevention limits who cuts off need reach more than 3h, specifically realize through following mode: the upper-layer battery prefabricated cabin 1 is arranged above the lower-layer battery prefabricated cabin 2 and is connected by adopting fixing points 4, the connection of the fixing points 4 belongs to the prior art, the emphasis is not made, and a fireproof isolation space 3 is reserved between the upper-layer battery prefabricated cabin 1 and the lower-layer battery prefabricated cabin 2; a fire-proof partition plate 5 is arranged in the fire-proof isolation space 3, at least two water cooling pipelines 6 are distributed in the fire-proof partition plate 5 along the length direction of the fire-proof partition plate, and the water cooling pipelines 6 are communicated with an external water supply system pipe network 8; the water cooling pipeline 6 is provided with an upward nozzle, and the covering surface sprayed by the nozzle is the upper surface of the fireproof partition plate 5. The fire-proof clapboard is made of 5A-type non-combustible materials. The upper surface of the fireproof partition plate 5 is provided with a water chute, and the shape of the water chute is matched with the shape of the top of the lower battery prefabricated cabin 2.
As shown in fig. 1, the water curtain cooling system is started by the automatic fire alarm system and the battery management system, and is also started synchronously with the fire extinguishing system in the battery prefabricated cabin, and the method specifically comprises the following steps of setting a first threshold value and a second threshold value of a combustible gas detection alarm system; when the detection value of the combustible gas detection alarm system reaches a first threshold value, the BMS battery management system is linked to start the explosion-proof electric fan; when the combustible gas detection alarm system reaches the second threshold value, after the BMS battery management system detects the tripping of the PCS circuit breaker, the BMS battery management system closes the anti-explosion electric fan and simultaneously starts the water curtain cooling system. The first threshold value is 2% LEL of the combustible gas concentration; the second threshold is a combustible gas concentration of 4% LEL. The combustible gas detection alarm system comprises a manual alarm button, a temperature-sensitive detector, a smoke-sensitive detector and a plurality of combustible gas detectors; when the detection value of the manual alarm button or any detector reaches a first threshold value, the manual alarm button, the temperature-sensitive detector, the smoke-sensitive detector and the plurality of combustible gas detectors are linked with the BMS battery management system to start the explosion-proof electric fan; when the concentration of the combustible gas reaches a first threshold value, and the manual alarm button is combined with any one of the temperature-sensitive detector, the smoke-sensitive detector and the combustible gas detector, or the temperature-sensitive detector is combined with any one of the smoke-sensitive detector and the combustible gas detector, or the smoke-sensitive detector is combined with the combustible gas detector, or the detection concentration of any two combustible gas detectors is 4% LEL, after the PCS circuit breaker is judged to trip, the fire extinguishing system and the water curtain cooling system are started.
The starting of the fire extinguishing system and the water curtain cooling system meets the requirements of first power off, then spraying to reduce the concentration of combustible gas and then extinguishing fire. After receiving the early warning signal or the fire signal under the linkage control of the automatic fire alarm system and a Battery Management System (BMS), the fire extinguishing system control assembly automatically starts the fire extinguishing system and the water curtain cooling system according to a set spraying fire extinguishing strategy.
The fire automatic alarm system and a Battery Management System (BMS) linkage control strategy meets the following requirements:
when the concentration of the combustible gas reaches a first threshold value (generally, the concentration of the combustible gas is the concentration of a single battery in the cabin when thermal runaway begins to occur, such as 20ppm of hydrogen and 20ppm of carbon monoxide, and is confirmed by a test), the BMS turns off an air conditioner, starts a fan, and trips off a cabin-level PCS circuit breaker and a cluster-level relay.
When the concentration of the combustible gas reaches a second threshold value (generally, the concentration value is determined by tests when the battery module in the cabin is in violent thermal runaway), and the cabin-level PCS circuit breaker is judged to be tripped, the water curtain cooling system and the fire extinguishing system are automatically started by a fire alarm and linkage control system.
When the concentration of the combustible gas reaches a first threshold value, one temperature-sensitive detector acts and the cabin-level PCS circuit breaker trips, or one temperature-sensitive detector and one smoke-sensitive detector act simultaneously and the cabin-level PCS circuit breaker trips, the water curtain cooling system is automatically started.
When the cabin-level PCS circuit breaker is refused to jump, the fire disaster is judged through the manual remote video of the monitoring center, the water curtain cooling system is started for cooling through the remote emergency of the fire-fighting monitoring background, and the fire-extinguishing system is started for extinguishing fire and the like.
When the prefabricated cabin battery fire disaster happens in the construction, debugging or overhauling process, the fire extinguishing system can be started to cool, and the portable fire extinguishing facility can also be used for cooling and protecting work.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (9)
1. A fire-fighting strategy for battery prefabricated cabins arranged in a double-layer manner in a lithium iron phosphate energy storage power station is characterized by comprising a water curtain cooling system, wherein the water curtain cooling system is used for cooling and extinguishing fire on the outer surface of the battery prefabricated cabin; the water curtain cooling system comprises a cooling pipe network distributed along the periphery of the top of the battery prefabricated cabin and a plurality of high-resistance water distribution pipes parallel to the direction of the short edge of the top of the battery prefabricated cabin; the plurality of large-resistance water distribution pipes are uniformly distributed at the top of the battery prefabricated cabin and are communicated with the cooling pipe network; wherein, a plurality of sprinkling nozzles are uniformly distributed on the cooling pipe network; and a plurality of water distribution pipe nozzles are uniformly distributed on each high-resistance water distribution pipe.
2. The fire-fighting strategy for the battery prefabricated cabins arranged in the double-layer mode in the lithium iron phosphate energy storage power station according to claim 1, characterized in that the cooling pipe network is communicated with an external water supply system pipe network, and a cooling system control valve is arranged at a communication section of the cooling pipe network and the external water supply system pipe network.
3. The fire fighting strategy for the double-layer arranged battery prefabricated cabins of the lithium iron phosphate energy storage power station as claimed in claim 1, characterized in that when the fire fighting strategy is used for the double-layer arranged battery prefabricated cabins of the lithium iron phosphate energy storage power station, the water curtain cooling system is installed above the upper battery prefabricated cabin.
4. The fire-fighting strategy for the battery prefabricated cabins arranged in double layers of the lithium iron phosphate energy storage power station according to claim 1, characterized in that when the fire-fighting strategy is used for the battery prefabricated cabins arranged in double layers of the lithium iron phosphate energy storage power station, the upper battery prefabricated cabin is arranged above the lower battery prefabricated cabin, and a fire-proof isolation space is reserved between the upper battery prefabricated cabin and the lower battery prefabricated cabin; a fire-proof partition plate is arranged in the fire-proof isolation space, at least two water cooling pipelines are distributed in the fire-proof partition plate along the length direction of the fire-proof partition plate, and the water cooling pipelines are communicated with an external water supply system pipe network; the water cooling pipeline is provided with an upward nozzle, and the covering surface sprayed by the nozzle is the upper surface of the fireproof partition plate.
5. The fire fighting strategy for the battery prefabricated cabin of the lithium iron phosphate energy storage power station in the double-layer arrangement manner according to claim 4, characterized in that the fire-proof partition plate is made of a class A non-combustible material.
6. The fire fighting strategy for the battery prefabricated cabins arranged in the double-layer mode in the lithium iron phosphate energy storage power station is characterized in that a water guide groove is formed in the upper surface of the fireproof partition plate, and the shape of the water guide groove is matched with that of the top of the lower battery prefabricated cabin.
7. The fire-fighting strategy for the battery prefabricated cabins arranged in the double layers of the lithium iron phosphate energy storage power station is characterized in that a water curtain cooling system is started through an automatic fire alarm system and a battery management system, and specifically comprises the following steps of setting a first threshold value and a second threshold value of a combustible gas detection alarm system; when the detection value of the combustible gas detection alarm system reaches a first threshold value, the BMS battery management system is linked to start the explosion-proof electric fan; when combustible gas surveys alarm system and reaches the second threshold value, detect the tripping operation back of PCS circuit breaker at BMS battery management system, close explosion-proof electric fan by BMS battery management system, start fire extinguishing system and water curtain cooling system simultaneously.
8. The fire fighting strategy for the battery prefabricated cabins arranged in the double layers of the lithium iron phosphate energy storage power station according to claim 7, characterized in that the first threshold value is 2% LEL of combustible gas concentration; the second threshold is a combustible gas concentration of 4% LEL.
9. The fire fighting strategy for the battery prefabricated cabins arranged in the double layers of the lithium iron phosphate energy storage power station is characterized in that the combustible gas detection alarm system comprises a manual alarm button, a temperature-sensitive detector, a smoke-sensitive detector and a plurality of combustible gas detectors; when the detection value of the manual alarm button or any detector reaches a first threshold value, the manual alarm button, the temperature-sensitive detector, the smoke-sensitive detector and the plurality of combustible gas detectors are linked with the BMS battery management system to start the explosion-proof electric fan; when the concentration of the combustible gas reaches a first threshold value, and the manual alarm button is combined with any one of the temperature-sensitive detector, the smoke-sensitive detector and the combustible gas detector, or the temperature-sensitive detector is combined with any one of the smoke-sensitive detector and the combustible gas detector, or the smoke-sensitive detector is combined with the combustible gas detector, or the detection concentration of any two combustible gas detectors is 4% LEL, after the PCS circuit breaker is judged to trip, the fire extinguishing system and the water curtain cooling system are started.
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| CN111790078A (en) * | 2020-05-27 | 2020-10-20 | 中国电力科学研究院有限公司 | Fire extinguishing agent injection apparatus for lithium ion battery module |
| CN111790078B (en) * | 2020-05-27 | 2022-09-23 | 中国电力科学研究院有限公司 | Fire extinguishing agent injection apparatus for lithium ion battery module |
| CN112090006A (en) * | 2020-11-10 | 2020-12-18 | 国网江苏省电力有限公司经济技术研究院 | Fire control system and method for prefabricated cabin |
| CN112090006B (en) * | 2020-11-10 | 2021-02-09 | 国网江苏省电力有限公司经济技术研究院 | Fire control system and method for prefabricated cabin |
| CN114618099A (en) * | 2020-12-11 | 2022-06-14 | 比亚迪股份有限公司 | Energy storage system and control method |
| CN113144492A (en) * | 2021-03-05 | 2021-07-23 | 阳光电源股份有限公司 | Fire fighting system, fire fighting control method, energy storage system and energy storage system controller |
| CN114159712A (en) * | 2021-12-01 | 2022-03-11 | 国网湖北省电力有限公司电力科学研究院 | Fire source isolation device for energy storage battery container |
| CN114632279A (en) * | 2022-03-23 | 2022-06-17 | 上海置信能源综合服务有限公司 | Fire extinguishing system suitable for centralized lithium cell energy storage power station |
| CN115954578A (en) * | 2023-03-11 | 2023-04-11 | 江苏欧力特能源科技有限公司 | Prefabricated cabin of sodium ion battery energy storage |
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