Fire extinguishing system suitable for energy storage system

Abstract

A fire extinguishing system suitable for an energy storage system relates to the technical field of energy storage equipment, and comprises an energy storage cabinet, at least one battery module, a fire extinguishing component, a storage rack, a monitoring component and a limiting component, the storage rack is provided with at least one storage cavity for placing the battery module, the storage rack is arranged in the energy storage cabinet, and the energy storage cabinet is provided with a fire extinguishing channel; the fire extinguishing component is arranged in the fire extinguishing channel, the limiting component is arranged on the peripheral side of the battery module, and the monitoring component is arranged in the fire extinguishing channel and inspects at least one storage cavity; wherein a fire extinguishing material is arranged in the limiting component, and the limiting component is attached to the peripheral side of the battery module. The utility model provides a novel fire extinguishing system which has the advantages of automatic inspection, good protection effect and practicability.

Description

Technical Field

[0001] This utility model relates to the field of energy storage equipment technology, and in particular to a fire protection system suitable for energy storage systems. Background Technology

[0002] Energy storage systems are typically used for power regulation and supply stabilization, but the risk of fire is significantly increased due to the high density and flammability of their core components, such as battery packs.

[0003] For example, Chinese patent CN220175909U discloses an energy storage container fire protection system and an energy storage container. It provides a dual-insurance mechanism by storing two different types of fire extinguishing media in a first storage tank and a second storage tank. It can suppress the combustion of the battery pack and also suppress the temperature rise and reignition of the battery pack after the fire, thus preventing the occurrence of fire. However, it neglects the monitoring of the fire location and targeted fire extinguishing, which leads to the entire fire protection system being triggered, which can easily cause the loss to expand.

[0004] The existing technology still has the following problems:

[0005] 1. Traditional fire protection systems have a delay in the process of detecting a fire and triggering fire suppression.

[0006] 2. Existing fire suppression systems typically employ a system-wide fire suppression strategy, such as using general sprinklers or gas coverage. This not only wastes fire suppression resources but may also cause unnecessary damage to unaffected battery modules or equipment.

[0007] 3. Most fire detection solutions used in most systems can only provide overall environmental data, and cannot provide detailed monitoring of specific modules or units.

[0008] This utility model was developed to address the common problems in the field, such as the difficulty in performing refined management of battery modules, the lack of fire protection detection devices, and the inability to recycle fire extinguishing media. Utility Model Content

[0009] To overcome the shortcomings of existing technologies, this utility model provides a fire protection system suitable for energy storage systems. The fire protection system includes an energy storage cabinet and at least one battery module. The fire protection system also includes fire extinguishing components, a storage rack, a monitoring component, and a limiting component. The storage rack has at least one storage cavity for placing the battery module and is located in the energy storage cabinet. The energy storage cabinet has a fire extinguishing channel. The fire extinguishing components are located in the fire extinguishing channel. The limiting component is located around the battery module. The monitoring component is located in the fire extinguishing channel and inspects the at least one storage cavity.

[0010] The limiting component contains fire extinguishing material and is attached to the periphery of the battery module.

[0011] Optionally, the limiting component includes a limiting seat, a control panel, a limiting airbag, an inflation pump, a control button, an electronic control valve, an electronic pressure relief valve, and at least two protective airbags. The limiting seat body has limiting cavities on both end faces. The inflation pump is connected to the limiting airbag through an air supply pipe to form an inflation section. The inflation section is hidden in the limiting cavity. At least two protective airbags are nested in the inner cavity of the limiting airbag. The electronic pressure relief valve is disposed on the limiting airbag and communicates with the inside of the limiting airbag. The electronic control valve is disposed on the side of the at least two protective airbags facing the battery module. The control panel is disposed on one end face of the limiting seat to form a control panel. The control button is disposed on the control panel and electrically connected to the electronic pressure relief valve.

[0012] Optionally, the electronically controlled valves on at least two protective airbags on the same side are spaced at 15° to 75° apart.

[0013] Optionally, the monitoring component includes a monitoring base, an infrared probe, a lifting rod, a lifting drive mechanism, a sliding base, a sliding rail, a sliding drive mechanism, an identification probe, and at least two position markers. The sliding rail is disposed on the bottom wall end face of the fire extinguishing channel. At least two position markers are distributed at equal intervals along the length direction of the sliding rail. The infrared probe is disposed on the monitoring base and extends toward one side of a battery module placed in at least one storage cavity. The monitoring base is disposed at one end of the lifting rod, and the other end of the lifting rod is connected to the lifting drive mechanism to form a lifting part. The lifting part is disposed on the sliding base, and the sliding base is slidably connected to the sliding rail. The sliding drive mechanism is disposed on the sliding base and drives the sliding base to slide along the length direction of the sliding rail. The identification probe is disposed on the sliding base and extends toward one side of at least two position markers.

[0014] Optionally, the fire extinguishing component includes a fire extinguishing tank, a supply pipe, a nozzle, and a spray pump. The fire extinguishing tank is disposed on the inner wall of one side of the fire extinguishing channel. The spray pump is connected to one end of the supply pipe to form a liquid supply section. The liquid supply section is disposed in the fire extinguishing tank and communicates with the inside of the fire extinguishing tank. The other end of the supply pipe is connected to the nozzle to form a spray section. The spray section is disposed on the monitoring base.

[0015] Optionally, the fire extinguishing channel is located on the side of the storage rack away from the storage cabinet door.

[0016] Optionally, the fire protection system further includes a recovery component, which is disposed in the energy storage cabinet and recovers the fire-fighting waste liquid in the storage chamber.

[0017] Optionally, the recycling component includes a recycling pipe, a recycling pump, and at least one recycling seat. The at least one recycling seat is independently disposed below at least one storage cavity. One end of the recycling pipe is connected to the recycling pump to form a recycling section. The recycling section is disposed in the recycling tank and communicates with the interior of the recycling tank. The other end of the recycling pipe is connected to at least one recycling seat.

[0018] This utility model is achieved using the following technical solution:

[0019] 1. Through the recycling operation of the aforementioned recycling components, fireproof materials and fire extinguishing liquids will not affect the normal operation of other normal battery modules in the vicinity, thereby improving the precise control of the battery modules and ensuring that the entire system has the advantages of strong refined management capabilities, good fireproof effect, and high reliability of fireproof material recycling.

[0020] 2. By coordinating the monitoring and fire extinguishing components, the system can monitor the temperature and status of the battery module in real time and quickly trigger fire extinguishing measures when abnormalities occur, achieving rapid response and precise location for fire extinguishing, ensuring that the entire system has efficient and reliable fire extinguishing capabilities.

[0021] 3. Through the cooperation of limiting components and fire extinguishing components, the battery module can be quickly covered with fireproof material in the early stage of a fire to form an isolation membrane, effectively preventing the spread of fire and ensuring that the entire system has the ability to provide multi-layer protection and fire suppression.

[0022] 4. Through the cooperation of fire extinguishing components and recycling components, excess fireproofing materials and fire extinguishing liquid can be recycled and processed after the fire extinguishing liquid is used, avoiding impact on other battery modules and ensuring that the entire system has the advantages of refined management and environmental protection and saving.

[0023] 5. Through the coordination between monitoring components, limiting components, and fire extinguishing components, the system can monitor the status of battery modules in real time in the early stages of a fire. When an anomaly is detected, the limiting components are quickly triggered to spray fire-retardant material to form an isolation membrane. At the same time, the fire extinguishing components perform precise fire extinguishing and cooling operations. This multi-component collaborative work ensures that the fire can be quickly suppressed and prevented from spreading. The fire-retardant material can also form a durable protective layer to prevent secondary combustion. This ensures that the entire system has the advantages of rapid response, precise positioning, multi-layer protection, and efficient fire extinguishing, thereby achieving safe and stable operation and refined management of the energy storage system. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model.

[0025] Figure 2 This is a side view of the present invention.

[0026] Figure 3 for Figure 2 Schematic diagram of cross-section at point BB.

[0027] Figure 4 This is a cross-sectional schematic diagram of the energy storage cabinet of this utility model.

[0028] Figure 5 This is a rear view schematic diagram of the storage rack, battery module, and recycling pipeline of this utility model.

[0029] Figure 6 This is a front view schematic diagram of the limiting component of this utility model.

[0030] Figure 7 This is a side view of the limiting component of this utility model.

[0031] Figure 8 This is a partial cross-sectional view of the limiting component of this utility model.

[0032] Explanation of reference numerals in the attached diagram: 1. Energy storage cabinet; 2. Cabinet door; 3. Fire extinguishing passage; 4. Supply pipeline; 5. Monitoring seat; 6. Infrared detector; 7. Jet pump; 8. Battery module; 9. Recovery pipeline; 10. Recovery seat; 11. Storage rack; 12. Storage cavity; 13. Lifting rod; 14. Sliding seat; 15. Sliding rail; 16. Fire extinguishing canister; 17. Recovery canister; 18. Electronic pressure relief valve; 19. Limiting seat; 20. Control button; 21. Limiting airbag; 22. Protective airbag; 23. Electronic control valve; 24. Control panel; 25. Limiting cavity; 26. Inflation pump; 27. Jet nozzle. Detailed Implementation

[0033] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0034] This embodiment provides a fire protection system suitable for energy storage systems, referring to... Figure 1-8 The fire protection system includes an energy storage cabinet 1 and at least one battery module 8. The fire protection system also includes fire extinguishing components, a storage rack 11, a monitoring component, and a limiting component. The storage rack 11 is provided with at least one storage cavity 12 for placing the battery module 8, and the storage rack 11 is located in the energy storage cabinet 1. The energy storage cabinet 1 is provided with a fire extinguishing passage 3. The fire extinguishing components are located in the fire extinguishing passage 3. The limiting component is located around the battery module 8. The monitoring component is located in the fire extinguishing passage 3 and inspects at least one storage cavity 12 and collects the storage environment in at least one storage cavity 12.

[0035] The limiting component contains fire extinguishing material and is attached to the periphery of the battery module 8. Specifically, the monitoring component circulates in the fire extinguishing channel 3 to inspect and monitor at least one battery module 8 stored or placed in the storage cavity 12 to obtain temperature status data of each stored battery module 8.

[0036] The limiting component includes a limiting seat 19, a control panel 24, a limiting airbag 21, an inflation pump 26, a control button 20, an electronic control valve 23, an electronic pressure relief valve 18, and at least two protective airbags 22. The limiting seat 19 has limiting cavities 25 on both sides of its main body. The inflation pump 26 is connected to the limiting airbag 21 through an air supply pipe to form an inflation part, which is hidden in the limiting cavity 25. At least two protective airbags 22 are nested in the inner cavity of the limiting airbag 21, and the electronic pressure relief valve 18 is located on the limiting airbag 21 and communicates with the inside of the limiting airbag 21. The electronic control valve 23 is located on the side of the at least two protective airbags 22 facing the battery module 8. The control panel 24 is located on one side of the limiting seat 19 to form a control panel, and the control button 20 is located on the control panel and electrically connected to the electronic pressure relief valve 18. The control button 20 is used to manually control the limiting airbag 21 to release the gas in the limiting airbag 21, thereby releasing the limitation on the battery module 8.

[0037] like Figure 8 As shown, the electronic control valves 23 on at least two protective airbags 22 on the same side are spaced at an angle of 15° to 75° (as shown by angle D in the figure).

[0038] In this embodiment, when the air pump 26 inflates the limiting airbag 21, the limiting airbag 21 expands, enabling it to limit the placement of at least one battery module 8 in the storage cavity 12, thereby improving the stability and reliability of the battery module 8 placement. Simultaneously, when the electronic control valve 23 is open, a pressure difference is created between the limiting airbag 21 and the protective airbag 22 because the protective airbag 22 is also open. This causes the fire-retardant material in the protective airbag 22 to be sprayed from the outlet of the electronic control valve 23 into the adjacent battery module 8.

[0039] In this embodiment, the fire-retardant material is a flame-retardant coating or spray suitable for use with the battery module 8, such as intumescent flame-retardant coatings or silicone-based fire-retardant coatings. These materials expand rapidly at high temperatures, forming a heat-insulating layer that effectively isolates air and reduces the intensity of combustion. Among them, intumescent flame-retardant coatings (such as intumescent paints) are used for fire protection of the battery module 8 and have good adhesion and thermal expansion properties. This is a well-known technique to those skilled in the art, and therefore will not be described in detail in this embodiment.

[0040] The monitoring components include a monitoring base 5, an infrared probe 6, a lifting rod 13, a lifting drive mechanism, a sliding base 14, a sliding rail 15, a sliding drive mechanism, an identification probe, and at least two position markers. The sliding rail 15 is set on the bottom wall end face of the fire extinguishing channel 3. At least two position markers are distributed at equal intervals along the length direction of the sliding rail 15. The infrared probe 6 is set on the monitoring base 5 and extends toward one side of the battery module 8 placed in at least one storage cavity 12. The monitoring base 5 is set at one end of the lifting rod 13. The other end of the lifting rod 13 is connected to the lifting drive mechanism to form a lifting part. The lifting part is set on the sliding base 14. The sliding base 14 is slidably connected to the sliding rail 15. The sliding drive mechanism is set on the sliding base 14 and drives the sliding base 14 to slide along the length direction of the sliding rail 15. The identification probe is set on the sliding base 14 and extends toward one side of the at least two position markers.

[0041] The monitoring component also includes a sensing probe and at least one RFID tag. The at least one RFID tag is independently disposed in at least one storage cavity 12 and marks the storage cavity 12. Each RFID tag is different and corresponds to a different storage cavity 12. The sensing probe is disposed on the monitoring base 5 and moves with the monitoring base 5. When it approaches a storage cavity 12, it senses the RFID tag corresponding to that storage cavity 12, thereby binding the temperature data collected by the infrared probe 6 to the RFID tag. After each inspection, the temperature of the RFID tag is refreshed to save the new temperature data.

[0042] As the sensing probe follows the monitoring base 5 during its inspection, it senses the RFID tag (approaching and within a set sensing distance) to collect the temperature status of the battery module 8 in at least one storage cavity 12. Simultaneously, the RFID tag distinguishes different storage cavities 12, enabling the infrared probe 6 to accurately monitor the status of the battery module 8 in at least one storage cavity 12, improving the overall reliability of the equipment and the targeted nature of fire monitoring. Specifically, each inspection of at least one storage cavity 12 within the storage cabinet by the monitoring base 5 collects the status of the battery modules 8 in all storage cavities 12, thereby obtaining the temperature status data of the battery modules 8.

[0043] The monitoring components also include a height detection device, which collects the lifting height of the lifting rod 13 and feeds it back to the central processing unit. The central processing unit then controls the lifting drive mechanism to drive the lifting rod 13 to extend and retract.

[0044] The fire protection system also includes a recovery component, which is located in the energy storage cabinet 1 and recovers the fire-fighting waste liquid in the storage chamber 12. The recovery component may include a recovery tank 17, at least one recovery pipe 9, at least one recovery pump, and at least one recovery seat 10. The at least one recovery seat 10 is independently located below at least one storage chamber 12. One end of the at least one recovery pipe 9 is connected to the recovery pump to form a recovery section, which is located in and communicates with the interior of the recovery tank 17. The other end of the at least one recovery pipe 9 is connected to at least one recovery seat 10. The recovery tank 17 is located on one side of the recovery channel. The recovery tank 17 is used to store the recovered protective materials and fire extinguishing liquid. The recovery seat 10 has a U-shaped groove and is located below the storage chamber 12 to receive the fire extinguishing liquid that flows back or overflows after the fire extinguishing component sprays the battery module 8, as well as the protective materials stored in the protective airbag 22. When the protective material is sprayed onto the battery module 8, the protective material forms an insulating film on the outer periphery of the battery module 8. This insulating film isolates the external environment, thereby achieving the fire extinguishing effect. By combining limiting and recycling components, the sprayed fireproof material can be returned and effectively collected and stored after fire extinguishing, ensuring that the entire system has the advantages of clean and sustainable operation.

[0045] The fire protection system also includes a central processing unit, which is connected to the limiting components, monitoring components, fire extinguishing components and recovery components respectively. The central processing unit centrally controls the limiting components, monitoring components, fire extinguishing components and recovery components to improve the overall system's reliable fire extinguishing efficiency.

[0046] In this embodiment, the movement and inspection of the monitoring seat 5 are achieved through the coordinated operation of the lifting rod 13, the lifting drive mechanism, the sliding seat 14, the sliding drive mechanism, the identification probe, and at least two position markers. Specifically, the central processing unit controls the movement drive mechanism to slide along the sliding track 15, thereby driving the moving seat to cyclically move at different positions. When it slides to the position of a certain position marker, the lifting drive mechanism drives the lifting rod 13 to move up and down in the height direction, thereby inspecting the battery module 8 in the storage cavity 12 in the height direction and obtaining the temperature status data of the battery module 8 in the height direction.

[0047] like Figure 3 As shown, after the battery module 8 at a corresponding height direction at a positioning position (or position marker) a on the sliding track 15 has been inspected, the processor controls the moving drive mechanism to move to the next positioning position b (when b has been inspected, it moves to c), and drives the lifting rod 13 by controlling the lifting drive mechanism, thereby collecting the temperature data of the battery module 8 at different positions in the height direction, and repeating the above steps until all positions in the entire energy storage cabinet 1 have been inspected.

[0048] One embodiment of the fire extinguishing component includes a fire extinguishing tank 16, a supply pipe 4, a nozzle 27, and a spray pump 7. The fire extinguishing tank 16 is installed on the inner wall of one side of the fire extinguishing channel 3. The spray pump 7 is connected to one end of the supply pipe 4 to form a liquid supply section. The liquid supply section is installed in the fire extinguishing tank 16 and communicates with the inside of the fire extinguishing tank 16. The other end of the supply pipe 4 is connected to the nozzle 27 to form a spray section. The spray section is installed on the monitoring seat 5.

[0049] The fire extinguishing tank 16 stores fire extinguishing liquid. In this embodiment, the fire extinguishing liquid is a cooling liquid used for rapid cooling and fire extinguishing, such as a non-conductive water-based coolant or a gaseous fire extinguishing agent, like Novec 1230 or FK-5-1-12. These liquids have electrical insulating properties and will not damage the battery or other electronic components. For example, Novec 1230 (fluorocarbon fire extinguishing agent) is a fire extinguishing liquid suitable for battery module 8, capable of cooling overheated batteries in a short time and leaving no liquid residue after vaporization, effectively protecting battery module 8. In this embodiment, the fire extinguishing tank 16 and the recovery tank 17 are located on the same side of the fire extinguishing channel 3. Optionally, the fire extinguishing channel 3 is located on the side of the storage rack 11 opposite to the storage cabinet door 2.

[0050] In this embodiment, when the temperature of a storage chamber 12 in a certain area exceeds a set fire extinguishing threshold, the spray pump 7 is triggered to spray the fire extinguishing liquid in the fire extinguishing tank 16 into the corresponding abnormal storage chamber 12. Specifically, the central processing unit controls the sliding drive mechanism to drive the sliding seat 14 to slide along the length of the sliding track 15. At the same time, the identification probe detects the position marker corresponding to the position in real time. When it moves to the position corresponding to the position, the central processing unit controls the lifting drive mechanism to drive the lifting rod 13 to adjust the spray nozzle 27 to the position of the hazard and spray at that position, thereby cooling the battery module 8. In this embodiment, the hazard judgment condition is that the storage environment temperature is greater than the system's preset temperature threshold. After the battery module 8 is cooled down, the fire extinguishing liquid flows into the recovery seat 10 and is recovered and stored in the recovery tank 17 through the cooperation of the recovery pipe 9 and the recovery pump.

[0051] In this embodiment, when a dangerous situation occurs at a certain location of the battery module 8 (danger judgment condition: the storage environment temperature is greater than the system's preset temperature threshold), the limiting component first sprays and coats fire-retardant material onto the battery module 8 to form a protective film to isolate it from the air. After the fire-retardant material is coated and wrapped around the battery module 8, the excess fire-retardant material flows back into the groove of the recycling seat 10 and is recycled by the recycling unit into the recycling tank 17.

[0052] In this embodiment, the recycling operation of the recycled components ensures that the fireproof materials and fire extinguishing liquid do not affect the normal operation of other normal battery modules 8 in the surrounding area, thereby improving the precise control of the battery modules 8 and ensuring that the entire system has the advantages of strong refined management capabilities, good fireproof effect, and high reliability of fireproof material recycling.

[0053] In this embodiment, by coordinating the monitoring components and the fire extinguishing components, the system can monitor the temperature and status of the battery module 8 in real time, and quickly trigger fire extinguishing measures when an abnormality occurs, thereby achieving rapid response and precise positioning for fire extinguishing, ensuring that the entire system has efficient and reliable fire extinguishing capabilities.

[0054] Through the cooperation of limiting components and fire extinguishing components, the battery module 8 can be quickly covered with fireproof material in the early stage of a fire to form an isolation membrane, effectively preventing the spread of fire and ensuring that the entire system has the ability to provide multi-layer protection and fire suppression.

[0055] By combining fire extinguishing components and recycling components, excess fireproofing materials and fire extinguishing liquid can be recycled and processed after use, avoiding impact on other battery modules and ensuring that the entire system has the advantages of refined management and environmental protection and saving.

[0056] By coordinating the monitoring, limiting, and fire-extinguishing components, the system can monitor the status of battery module 8 in real time during the initial stages of a fire. Upon detecting an anomaly, it rapidly triggers the limiting components to spray fire-retardant material to form an insulating membrane, while the fire-extinguishing components perform precise fire suppression and cooling operations. This multi-component collaborative work ensures that the fire can be quickly suppressed and its spread prevented. The fire-retardant material also forms a durable protective layer, preventing secondary combustion. This ensures the entire system possesses the advantages of rapid response, precise positioning, multi-layered protection, and efficient fire suppression, thereby achieving safe, stable operation and refined management of the energy storage system.

[0057] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A fire protection system suitable for use with an energy storage system, the fire protection system comprising an energy storage cabinet, and at least one battery module, characterized in that: The fire-fighting system further comprises a fire extinguishing member, a storage rack, a monitoring member and a limiting member, the storage rack is provided with at least one storage cavity for placing the battery module, and the storage rack is arranged in the energy storage cabinet, the energy storage cabinet is provided with a fire extinguishing channel, the fire extinguishing member is arranged in the fire extinguishing channel, the limiting member is arranged on the side of the battery module, and the monitoring member is arranged in the fire extinguishing channel and inspects the at least one storage cavity. The limiting member is provided with fire extinguishing material and is attached to the side of the battery module.

2. The fire protection system suitable for use with an energy storage system of claim 1, wherein: The limiting member comprises a limiting seat, a control plate, a limiting air bag, an inflation pump, a control button, an electronic control valve, an electronic pressure release valve and at least two protective air bags, the two side end faces of the limiting seat body are provided with limiting cavities, the inflation pump is connected with the limiting air bag through a gas supply pipeline to form an inflation part, the inflation part is arranged in the limiting cavity in a hidden manner, at least two protective air bags are arranged in the inner cavity of the limiting air bag, the electronic pressure release valve is arranged on the limiting air bag and communicates with the inner part of the limiting air bag, the electronic control valve is arranged on one side of at least two protective air bags facing the battery module, the control plate is arranged on one side end face of the limiting seat to form a control panel, and the control button is arranged on the control panel and electrically connected with the electronic pressure release valve.

3. The fire protection system suitable for use with an energy storage system of claim 2, wherein: The arrangement angle interval of the electronic control valve on the at least two protective air bags on the same side is 15°-75°.

4. The fire protection system suitable for use with an energy storage system of claim 2, wherein: The monitoring member comprises a monitoring seat, an infrared probe, a lifting rod, a lifting driving mechanism, a sliding seat, a sliding rail, a sliding driving mechanism, an identification probe and at least two position markers, the sliding rail is arranged on the bottom wall end face of the fire extinguishing channel, at least two position markers are distributed along the length direction of the sliding rail at equal intervals, the infrared probe is arranged on the monitoring seat and protrudes from one side of the battery module placed in the at least one storage cavity, the monitoring seat is arranged at one end of the lifting rod, the other end of the lifting rod is connected with the lifting driving to form a lifting part, the lifting part is arranged on the sliding seat, the sliding seat is slidably connected with the sliding rail, the sliding driving mechanism is arranged on the sliding seat and drives the sliding seat to slide along the length direction of the sliding rail, and the identification probe is arranged on the sliding seat and protrudes from one side of the at least two position markers.

5. The fire protection system suitable for use with an energy storage system of claim 4, wherein: The fire extinguishing member comprises a fire extinguishing tank, a supply pipeline, a spray nozzle and a spray pump, the fire extinguishing tank is arranged on the inner wall of one side of the fire extinguishing channel, the spray pump is connected with one end of the supply pipeline to form a liquid supply part, the liquid supply part is arranged in the fire extinguishing tank and communicates with the inner part of the fire extinguishing tank, the other end of the supply pipeline is connected with the spray nozzle to form a spray part, and the spray part is arranged on the monitoring seat.

6. A fire protection system suitable for use with an energy storage system according to claim 3 or 5, characterized in that: The fire extinguishing channel is arranged on the side of the storage rack away from the cabinet door of the storage cabinet.

7. The fire protection system suitable for use in an energy storage system of claim 5, wherein: The fire-fighting system further comprises a recycling member, and the recycling member is arranged in the energy storage cabinet and recycles the fire-fighting waste liquid in the storage cavity.

8. A fire protection system suitable for use with an energy storage system according to claim 7, characterized in that: The recovery member comprises a recovery pipeline, a recovery pump, and at least one recovery seat independently arranged below at least one storage cavity, one end of the recovery pipeline is connected with the recovery pump to form a recovery part, the recovery part is arranged in a recovery tank and communicates with the inside of the recovery tank, and the other end of the recovery pipeline is connected with at least one recovery seat respectively.

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