CN221130799U - Fire extinguishing device for battery of energy storage power station - Google Patents

Fire extinguishing device for battery of energy storage power station Download PDF

Info

Publication number
CN221130799U
CN221130799U CN202323136517.7U CN202323136517U CN221130799U CN 221130799 U CN221130799 U CN 221130799U CN 202323136517 U CN202323136517 U CN 202323136517U CN 221130799 U CN221130799 U CN 221130799U
Authority
CN
China
Prior art keywords
energy storage
fire extinguishing
power station
storage power
battery
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
Application number
CN202323136517.7U
Other languages
Chinese (zh)
Inventor
刘建政
王桂霞
马云飞
王有
王海侠
高洪江
王桂娟
王桂艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Amanqi New Energy Technology Hebei Co ltd
Guangdong Shenzhou Shengxin New Energy Development Co ltd
Shengyu Electric Co ltd
Original Assignee
Amanqi New Energy Technology Hebei Co ltd
Guangdong Shenzhou Shengxin New Energy Development Co ltd
Shengyu Electric Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Amanqi New Energy Technology Hebei Co ltd, Guangdong Shenzhou Shengxin New Energy Development Co ltd, Shengyu Electric Co ltd filed Critical Amanqi New Energy Technology Hebei Co ltd
Priority to CN202323136517.7U priority Critical patent/CN221130799U/en
Application granted granted Critical
Publication of CN221130799U publication Critical patent/CN221130799U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model relates to the technical field of energy storage power stations and discloses a battery fire extinguishing device for an energy storage power station, which comprises an energy storage power station outer box, wherein an upper cover is fixedly connected to the upper part of the energy storage power station outer box, a battery pack placing rack is placed in the energy storage power station outer box, a battery pack is installed in the battery pack placing rack, a fire extinguishing equipment body is installed in the upper cover, a spraying pipeline is fixedly connected to the outer side of the fire extinguishing equipment body, a buffer chamber is fixedly connected to one side of the inner part of the fire extinguishing equipment body, and a protection plate is installed at the lower end of the inner part of the upper cover. This a battery extinguishing device for energy storage power station installs in the inside of energy storage power station outer box through fire extinguishing apparatus body and spraying pipeline equidistant, and spraying pipeline is crooked form range simultaneously, and when spraying pipeline installs the inside of upper cover promptly, multiplicable space utilization, spraying pipeline drives heptafluoropropane simultaneously and carries downwards, multiplicable heptafluoropropane carries the homogeneity.

Description

Fire extinguishing device for battery of energy storage power station
Technical Field
The utility model relates to the technical field of energy storage power stations, in particular to a battery fire extinguishing device for an energy storage power station.
Background
The energy storage power station is internally provided with an energy storage battery, the energy storage battery stores, converts and releases circulated electric energy through an electrochemical battery or an electromagnetic energy storage medium, when the battery is stored, electric power is contained in the battery, heat can be generated during power transmission, when the energy storage battery installed in the energy storage power station has a fire disaster, the fire disaster can lead to the damage of the battery, and high temperature and other conditions are generated, so that a fire extinguishing device is required to be installed in the energy storage power station, and fire extinguishing treatment is performed when the fire disaster occurs in the energy storage power station in time.
Among the patents issued, in chinese patent No. CN 104064692B, a lithium battery with fire extinguishing device is disclosed; the triggering part is triggered, the generator can generate gas, the fire extinguishing bag bursts after being inflated, and the fire extinguishing material is sprayed out to play a role in extinguishing fire, so that the explosion and ignition of the battery are prevented, the ignition of external objects is caused, and the damage is reduced;
In the lithium battery with the fire extinguishing device, the automatic fire extinguishing device is adopted to extinguish the fire of the battery, the triggering device is commonly utilized to preheat the battery, gas is generated, high-pressure fire extinguishing materials are carried by gas expansion to be sprayed out, the fire extinguishing effect is achieved, the fire extinguishing materials are in a disposable fire extinguishing state, the fire extinguishing device is damaged after being triggered, and the fire extinguishing devices cannot be recycled in a subsequent alignment mode, so that the loss of the materials is increased, and the battery fire extinguishing device for the energy storage power station is provided.
Disclosure of utility model
Aiming at the defects of the existing fire extinguishing device for the energy storage power station battery, the utility model provides the fire extinguishing device for the energy storage power station battery, which has the advantages that the temperature sensing magnet slides down to drive the trigger pin to inform limiting, meanwhile, the end part of the connecting plate is lifted up and carries the sealing valve to move inwards, so that the inside of the fire extinguishing device body can be driven to form an opening, the device can be driven to start, the material is not damaged when the device is started, the portable device can be recycled when the device is used later, and the problems in the background technology are solved.
The utility model provides the following technical scheme: the utility model provides a be used for energy storage power station battery extinguishing device, includes the energy storage power station outer box, the upper portion fixedly connected with upper cover of energy storage power station outer box, the inside of energy storage power station outer box is put there is the group battery rack, the internally mounted of group battery rack has the group battery, the internally mounted of upper cover has the fire extinguishing apparatus body, the outside fixedly connected with spraying pipeline of fire extinguishing apparatus body, one side fixedly connected with buffer chamber of fire extinguishing apparatus body inside, the guard plate is installed to the lower extreme of upper cover inside, the internally mounted of buffer chamber has first spring, one side fixedly connected with sealing valve of first spring, the inner wall fixedly connected with absorber plate of energy storage power station outer box, the middle part fixedly connected with trigger equipment of absorber plate upper end places the board, trigger equipment places the internally mounted of board has the temperature to feel magnet, trigger pin is installed to one side of trigger equipment places the board, the opposite side fixedly connected with connecting plate of trigger pin, the outside fixedly connected with second spring of connecting plate upper end, the internally mounted of connecting plate has supplementary connecting plate.
Preferably, the battery packs are arranged at equal intervals in the outer box of the energy storage power station, grooves are formed in the inner parts of the two sides of the outer box of the energy storage power station, and the upper cover is located on the upper parts of the battery pack placing rack and the battery packs.
Preferably, a chute is formed in the upper cover, the fire extinguishing equipment body and the spraying pipeline are movably sleeved in the chute, and the protection plate is arranged at the lower part of the spraying pipeline.
Preferably, spraying pipelines are arranged on two sides of the outer portion of the fire extinguishing equipment body, the spraying pipelines are in bent arrangement, holes are formed in the lower end of each spraying pipeline, and the end portions of the spraying pipelines are mutually communicated with the inner portion of the buffer chamber.
Preferably, the inside of the trigger equipment placing plate is communicated with the heat absorbing plate, and an iron block is arranged on the upper wall of the trigger equipment placing plate.
Preferably, the trigger pin is installed between the temperature sensing magnet and the connecting plate, and the auxiliary connecting plate is installed at the lower end of the inside of the connecting plate.
Preferably, the sealing valve is installed inside the buffer chambers in sequence, the second spring is installed between the connecting plate and the sealing valve, and the interior of the fire extinguishing apparatus body is filled with heptafluoropropane.
Compared with the existing fire extinguishing device for the energy storage power station battery, the fire extinguishing device has the following beneficial effects:
1. This a battery extinguishing device for energy storage power station installs in the inside of energy storage power station outer box through fire extinguishing apparatus body and spraying pipeline equidistant, and spraying pipeline is crooked form range simultaneously, and when spraying pipeline installs the inside of upper cover promptly, multiplicable space utilization, spraying pipeline drives heptafluoropropane simultaneously and carries downwards, multiplicable heptafluoropropane carries the homogeneity.
2. This a battery extinguishing device for energy storage power station installs between temperature sensing magnet and connecting plate through the trigger pin, when the inside of energy storage power station outer box takes place the conflagration, temperature sensing magnet moves down, trigger pin moves to the opposite side simultaneously, and the connecting plate moves to the opposite side, the inside of buffer chamber is carried to the sealing valve promptly, the effect of putting out a fire can be played to the heptafluoropropane that fire extinguishing apparatus body inside was filled can spray downwards via spraying pipeline, the inside trigger switch that adopts of fire extinguishing apparatus body simultaneously, after equipment uses, accessible equipment reorganizes, can carry equipment and last the use, and the inside of fire extinguishing apparatus body is the installation circuit, when equipment compares the electron detection conflagration promptly, avoid leading to influencing the start-up of fire extinguishing apparatus because the circuit short circuit.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the main body of the present utility model;
FIG. 3 is a schematic view of a partial bottom view of the fire suppression apparatus of the present utility model;
FIG. 4 is a schematic view of a partially enlarged construction of the fire extinguishing apparatus of the present utility model;
FIG. 5 is a schematic view of a partially cut-away structure of the fire suppression apparatus of the present utility model;
Fig. 6 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1. an energy storage power station outer box; 2. an upper cover; 3. a battery pack rack; 4. a battery pack; 5. a fire extinguishing apparatus body; 6. a spray pipe; 7. a protection plate; 8. a buffer chamber; 9. a first spring; 10. a sealing valve; 11. a heat absorbing plate; 12. triggering the equipment placement plate; 13. a temperature-sensitive magnet; 14. a trigger pin; 15. a connecting plate; 16. a second spring; 17. and an auxiliary connecting plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2, 3, 4, 5 and 6, a fire extinguishing device for an energy storage power station battery comprises an energy storage power station outer box 1, an upper cover 2 is fixedly connected to the upper part of the energy storage power station outer box 1, the upper cover 2 absorbs heat and limits the position carrying the fire extinguishing device, a battery pack placing rack 3 is placed in the energy storage power station outer box 1, the battery pack placing rack 3 carries a battery pack 4 for limiting, the battery pack 4 is installed in the battery pack placing rack 3, the battery pack 4 drives electric energy to store, a fire extinguishing equipment body 5 is installed in the upper cover 2, fire extinguishing material is carried in the fire extinguishing equipment body 5 for filling, a spraying pipeline 6 is fixedly connected to the outer side of the fire extinguishing equipment body 5, the spraying pipeline 6 carries the fire extinguishing material for conveying, a buffer chamber 8 is fixedly connected to one side in the fire extinguishing equipment body 5, the buffer chamber 8 drives the heptafluoropropane to be conveyed to provide a movable space, the lower end of the inner part of the upper cover 2 is provided with a protection plate 7, the protection plate 7 provides an installation space when the fire extinguishing equipment body 5 and the spraying pipeline 6 are installed, the inner part of the buffer chamber 8 is provided with a first spring 9, the first spring 9 pulls a sealing valve 10 to move outwards, one side of the first spring 9 is fixedly connected with the sealing valve 10, the sealing valve 10 blocks the inner part of the buffer chamber 8, the inner wall of the energy storage power station outer box 1 is fixedly connected with a heat absorption plate 11, the heat absorption plate 11 absorbs heat, the middle part of the upper end of the heat absorption plate 11 is fixedly connected with a trigger equipment placing plate 12, the position of the trigger equipment placing plate 12 carrying a temperature sensing magnet 13 is limited, the temperature sensing magnet 13 is installed in the trigger equipment placing plate 12, the material of the temperature sensing magnet 13 is changed through heat conduction, namely the temperature sensing magnet 13 is controlled to move up and down, the trigger pin 14 is installed to one side of trigger equipment placing plate 12, trigger pin 14 joint is between temperature sensing magnet 13 and connecting plate 15, trigger pin 14 drives connecting plate 15 and keeps steady state, the opposite side fixedly connected with connecting plate 15 of trigger pin 14, when the position control of connecting plate 15, steerable second spring 16's pulling force, the outside fixedly connected with second spring 16 of connecting plate 15 upper end, the upper end of second spring 16 pulling connecting plate 15 moves to one side, sealing valve 10 can extend to the inside of buffer chamber 8 simultaneously, the internally mounted of connecting plate 15 has auxiliary connection board 17, auxiliary connection board 17 carries the position of connecting plate 15 and prescribes a limit to.
Referring to fig. 2, the battery packs 4 are arranged at equal intervals in the energy storage power station outer box 1, grooves are formed in the two sides of the energy storage power station outer box 1, the upper cover 2 is located on the upper portions of the battery pack placing frame 3 and the battery packs 4, the battery packs are installed in the energy storage power station outer box 1 through the battery pack placing frame 3 and the battery packs 4, the energy storage power station outer box 1 limits the battery packs 4, and the battery pack placing frame 3 carries the battery packs 4 to be orderly arranged in the energy storage power station outer box 1.
Referring to fig. 3, a chute is formed in the upper cover 2, the fire extinguishing device body 5 and the spraying pipeline 6 are movably sleeved in the chute, meanwhile, the protection plate 7 is installed at the lower part of the spraying pipeline 6, the chute is formed in the upper cover 2, the installation of the fire extinguishing device body 5 and the spraying pipeline 6 is carried by the chute to provide a movable space, meanwhile, the fire extinguishing device body 5 and the spraying pipeline 6 are installed at the upper end of the inner part of the energy storage power station outer box 1, when a fire disaster occurs in the inner part of the energy storage power station outer box 1, the upper part of the energy storage power station outer box 1 is convenient to receive heat, the fire extinguishing device is driven to start, and the uniformity of spraying of the heptafluoropropane is improved when the spraying pipeline 6 is carried by the heptafluoropropane to be transmitted downwards.
Referring to fig. 4, spraying pipes 6 are installed at both sides of the exterior of the fire extinguishing apparatus body 5, the spraying pipes 6 are in a curved arrangement, holes are formed in the lower ends of the spraying pipes 6, the ends of the spraying pipes 6 are communicated with the interior of the buffer chamber 8, the spraying pipes 6 are installed at both sides of the exterior of the fire extinguishing apparatus body 5, and meanwhile, the spraying pipes 6 are arranged in a curved winding manner, namely, uniformity is increased when the spraying pipes 6 are arranged in the upper cover 2, and when a fire disaster occurs, the spraying pipes 6 carry heptafluoropropane to be conveyed downwards, so that spraying efficiency of heptafluoropropane can be provided.
Referring to fig. 5 and 6, the inside of the trigger device placement plate 12 and the heat absorbing plate 11 are communicated with each other, an iron block is mounted on the upper wall of the trigger device placement plate 12, a temperature sensing magnet 13 is mounted in the trigger device placement plate 12, the heat absorbing plate 11 is mounted at the lower end of the inside of the fire extinguishing device body 5, when a fire disaster occurs in the energy storage power station outer box 1, the heat absorbing plate 11 receives heat, the temperature sensing magnet 13 changes properties when encountering heat, the trigger device placement plate 12 notifies the adsorption of the temperature sensing magnet 13, after 30s, the temperature sensing magnet 13 moves downwards under the action of gravity, one side of the trigger pin 14 is limited to be moved inwards, and then the fire extinguishing device body 5 can be carried with the trigger switch, and the outer side of the heptafluoropropane is conveyed, so that the fire extinguishing effect is started.
Referring to fig. 6, a trigger pin 14 is installed between the temperature sensing magnet 13 and the connection plate 15, an auxiliary connection plate 17 is installed at the lower end of the inside of the connection plate 15, and is installed between the connection plate 15 and the temperature sensing magnet 13 through the trigger pin 14, when the temperature sensing magnet 13 moves downward, the upper end of the connection plate 15 moves outward under the tension of the second spring 16 and the pressure generated by the heptafluoropropane filled inside the fire extinguishing apparatus body 5, and the connection plate 15 reduces the restriction of the sealing valve 10.
Referring to fig. 6, the sealing valve 10 is installed in the buffer chamber 8, the second spring 16 is installed between the connecting plate 15 and the sealing valve 10, the interior of the fire extinguishing apparatus body 5 is filled with heptafluoropropane, the sealing valve 10 is clamped in the buffer chamber 8, after the sealing valve 10 is reduced and limited, the sealing valve 10 is pushed to the buffer chamber 8 under the action of the tensile force of the first spring 9, the interior of the buffer chamber 8 is reduced and limited, and the heptafluoropropane filled in the fire extinguishing apparatus body 5 can be conveyed to the interior of the spraying pipeline 6 through the buffer chamber 8, and meanwhile, the spraying pipeline 6 carries heptafluoropropane to be continuously conveyed downwards, so that the effect of quickly extinguishing fire can be achieved when the heptafluoropropane is carried to fire generated in the energy storage power station outer box 1.
Working principle: during the use, fire extinguishing apparatus body 5 and spray pipeline 6 are installed in the inside of upper cover 2, when the conflagration appears in the inside of energy storage power station outer box 1, the inside of energy storage power station outer box 1 produces the heat, be located the inside fire extinguishing apparatus body 5 of upper cover 2 simultaneously and absorb the heat, alarm device starts simultaneously, and after the inside heat of receiving of fire extinguishing apparatus body 5, temperature sensing magnet 13 absorbs heat, and temperature sensing magnet 13 sends out the change, the inside produced magnetic field of temperature sensing magnet 13 stops the inside absorption of trigger equipment placement plate 12 simultaneously, temperature sensing magnet 13 upwards moves under the action of gravity simultaneously, temperature sensing magnet 13 reduces the prescribing a limit to trigger pin 14 simultaneously, and connecting plate 15 is under the effect of second spring 16 tensile force, the upper end of connecting plate 15 moves outwards, sealing valve 10 moves to the inside of buffer chamber 8 simultaneously, fire extinguishing apparatus body 5 simultaneously, buffer chamber 8 and spray pipeline 6 inside intercommunication, and the inside heptafluoropropane that fire extinguishing apparatus body 5 inside fills is carried downwards via spray pipeline 6 under the effect of pressure, simultaneously heptafluoropropane can handle the material, and when the inside power station outer box 1 starts the inside power station, the inside energy storage power station outer box 1 carries the energy storage fan that produces the inside and absorbs the inside fire to produce the inside the fan, avoid the inside fire to cause the dust to absorb the fan to the inside.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a be used for energy storage power station battery extinguishing device, includes energy storage power station outer box (1), upper portion fixedly connected with upper cover (2) of energy storage power station outer box (1), the inside of energy storage power station outer box (1) is put there is group battery rack (3), internally mounted of group battery rack (3) has group battery (4), internally mounted of upper cover (2) has fire extinguishing apparatus body (5), the outside fixedly connected with of fire extinguishing apparatus body (5) sprays pipeline (6), one side fixedly connected with buffer chamber (8) of fire extinguishing apparatus body (5) inside, its characterized in that: protection board (7) are installed to the inside lower extreme of upper cover (2), internally mounted of buffer chamber (8) has first spring (9), one side fixedly connected with sealing valve (10) of first spring (9), the inner wall fixedly connected with absorber plate (11) of energy storage power station outer tank (1), the middle part fixedly connected with trigger equipment of absorber plate (11) upper end places board (12), the internally mounted of trigger equipment places board (12) has temperature sensing magnet (13), trigger pin (14) are installed to one side of trigger equipment place board (12), the opposite side fixedly connected with connecting plate (15) of trigger pin (14), the outside fixedly connected with second spring (16) of connecting plate (15) upper end, the internally mounted of connecting plate (15) has auxiliary connection board (17).
2. The fire extinguishing apparatus for an energy storage power station battery according to claim 1, wherein: the battery packs (4) are arranged at equal intervals in the energy storage power station outer box (1), grooves are formed in the two sides of the energy storage power station outer box (1), and the upper cover (2) is located on the upper portions of the battery pack placing frame (3) and the battery packs (4).
3. The fire extinguishing apparatus for an energy storage power station battery according to claim 1, wherein: the inside of upper cover (2) has seted up the spout, fire extinguishing apparatus body (5) and spray pipeline (6) activity cup joint in the inside of spout, and guard plate (7) are installed in the lower part of spray pipeline (6) simultaneously.
4. The fire extinguishing apparatus for an energy storage power station battery according to claim 1, wherein: the fire extinguishing apparatus is characterized in that spraying pipelines (6) are arranged on two sides of the outer portion of the fire extinguishing apparatus body (5), the spraying pipelines (6) are in bent arrangement, holes are formed in the lower end of each spraying pipeline (6), and the end portions of the spraying pipelines (6) are mutually communicated with the inner portion of the buffer chamber (8).
5. The fire extinguishing apparatus for an energy storage power station battery according to claim 1, wherein: the inside of the trigger equipment placing plate (12) is communicated with the heat absorbing plate (11), and an iron block is arranged on the upper wall of the trigger equipment placing plate (12).
6. The fire extinguishing apparatus for an energy storage power station battery according to claim 1, wherein: the trigger pin (14) is arranged between the temperature sensing magnet (13) and the connecting plate (15), and the auxiliary connecting plate (17) is arranged at the lower end inside the connecting plate (15).
7. The fire extinguishing apparatus for an energy storage power station battery according to claim 1, wherein: the sealing valve (10) is arranged inside the buffer chambers (8) in sequence, the second spring (16) is arranged between the connecting plate (15) and the sealing valve (10), and the interior of the fire extinguishing equipment body (5) is filled with heptafluoropropane.
CN202323136517.7U 2023-11-21 2023-11-21 Fire extinguishing device for battery of energy storage power station Active CN221130799U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323136517.7U CN221130799U (en) 2023-11-21 2023-11-21 Fire extinguishing device for battery of energy storage power station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323136517.7U CN221130799U (en) 2023-11-21 2023-11-21 Fire extinguishing device for battery of energy storage power station

Publications (1)

Publication Number Publication Date
CN221130799U true CN221130799U (en) 2024-06-14

Family

ID=91418439

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323136517.7U Active CN221130799U (en) 2023-11-21 2023-11-21 Fire extinguishing device for battery of energy storage power station

Country Status (1)

Country Link
CN (1) CN221130799U (en)

Similar Documents

Publication Publication Date Title
WO2016015603A1 (en) Lithium battery and electric vehicle using same
CN221130799U (en) Fire extinguishing device for battery of energy storage power station
CN111821615A (en) Fire extinguishing and cooling system of prefabricated cabin type electrochemical energy storage station based on liquid nitrogen
CN112582736B (en) Electric motor car battery protection device
CN215351670U (en) Fire-fighting system for energy storage container
CN216366395U (en) Explosion-proof lithium battery pack
CN108686320A (en) A kind of extinguishing device of plastic foam
CN214987457U (en) Environment-friendly storage device is used in fatty acid processing
CN116111257A (en) Explosion-proof high temperature resistant protective housing for lithium battery
CN108039430B (en) Battery with a battery cell
KR20230001501U (en) Multi-stage energy storage fire-fighting system
CN115472893A (en) Outdoor cold-resistant lithium battery
CN214762981U (en) Environment-friendly, safe, fireproof and waterproof intelligent lithium battery device
CN115149154A (en) Mobile power supply energy storage battery based on efficient energy conversion
CN209329496U (en) A kind of underground coal mine direct current cabinet explosion-resistant enclosure
CN212622954U (en) Lithium cell detects uses short-circuit protection device
CN220899356U (en) Fire extinguishing device for electric vehicle
CN111192981A (en) Lithium battery and fire extinguishing device for lithium battery
CN216908967U (en) Energy storage cabinet automatic fire extinguishing device
CN217697713U (en) Energy storage fireproof system of wind and light power station
CN215461579U (en) Fire-fighting equipment box
CN221301746U (en) Cooling device, pressure relief valve, battery box and battery module
CN220856744U (en) Dampproofing fire prevention formula lithium ion battery
CN215938841U (en) Energy storage power station continuously cools down drives oxygen firebreak device
CN218685906U (en) Fire fighting device for energy storage system and energy storage system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant