Fire fighting device for water-based sodium-ion battery energy storage power station

Abstract

The invention relates to the technical field of energy storage power station operation safety monitoring, in particular to a water system sodium ion battery energy storage power station fire fighting device. Comprising a central controller, a split-flow spraying device, a foam generator, a monitor and other core components. On the safety protection level, efficient fire extinguishing and fire behavior suppression are achieved by means of cooperation of the foam generator and the split-flow spraying device in cooperation with the multi-nozzle design. The power-off control assembly can quickly cut off the battery pack power supply in emergency, and the safety risk is reduced. In the aspect of monitoring and fire-fighting linkage, the monitors arranged in the cabin in all directions collect environment data in real time, the environment data are intelligently analyzed and compared through the central controller, a fire-fighting strategy is accurately decided, and efficient butt joint of real-time monitoring and fire-fighting treatment is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of operation safety monitoring of energy storage power stations, and particularly to a fire-fighting device for an aqueous sodium-ion battery energy storage power station. Background Art

[0002] Due to the wide sources of raw materials, relatively low cost, and significant advantages in environmental protection, aqueous sodium-ion batteries have become a highly regarded technical direction in the energy storage field. With the continuous expansion of the construction scale of aqueous sodium-ion battery energy storage power stations, their operation safety issues have gradually become the focus of the industry. There are a large number of batteries and complex electrical connections inside the energy storage power station. In addition, heat and gas are generated during the charge and discharge process of the batteries, presenting various safety hazards such as thermal runaway, overcharge and over-discharge, and electrical faults. Once a safety accident such as a fire occurs, it will cause serious casualties and property losses. Existing operation safety monitoring devices and fire-fighting systems for energy storage power stations have many deficiencies in dealing with these safety hazards. The monitoring system often has problems such as incomplete monitoring parameters, limited data analysis capabilities, and imperfect early warning mechanisms, making it difficult to accurately detect potential safety risks in advance. The fire-fighting system generally has defects such as slow response speed, poor targeting of fire extinguishing methods, and lack of effective linkage with the monitoring system, and cannot quickly and effectively control the fire in the initial stage of the fire. Summary of the Invention

[0003] In order to completely solve the problem that the existing operation safety monitoring device for aqueous sodium-ion battery energy storage power stations is inconvenient to efficiently combine real-time monitoring with fire-fighting treatment, thereby avoiding safety accidents in energy storage power stations, the present invention proposes the following technical solutions: A fire-fighting device for an aqueous sodium-ion battery energy storage power station, including a central controller, an external charging seat, an internal charging seat, a split injection device, a foam generator, and a monitor. The split injection device, the foam generator, and the monitor are all connected to the central controller. It is characterized in that it includes a cabinet frame. A partition is provided inside the cabinet frame. The left side of the partition is a fire-fighting treatment compartment, and the right side of the partition is a battery compartment. A battery pack is arranged in the battery compartment; An installation partition is fixedly installed in the fire-fighting treatment compartment. The front side of the installation partition is a component compartment, and the rear side of the installation partition is a power-off compartment. Batteries and fire-fighting control components are arranged in the component compartment, and a control power-off component is arranged in the power-off compartment. The control power-off component is used to cut off the power supply to the battery pack; The front and rear sides of the cabinet frame are open. A sealing cover plate is fixedly installed on the rear side of the cabinet frame. The split injection device is arranged on the sealing cover plate. The split injection device is provided with a plurality of large nozzles, and the plurality of large nozzles are respectively directed towards the power-off compartment and the battery compartment. A foam generator is arranged outside the cabinet frame, and the foam generator is communicated with the split injection device through a pipeline.

[0004] Preferably, the battery and fire control components include a fire controller, a power controller, a monitoring processor, and a PCS system processor. The PCS system processor, the monitoring processor, the power controller, and the fire controller are fixedly connected to the installation partition from top to bottom in sequence. The fire controller, the power controller, the monitoring processor, and the PCS system processor are all connected to the central controller.

[0005] Preferably, monitors are provided in the battery compartment, the component compartment, and the power-off compartment. The monitors are used to detect the temperature status inside the cabinet frame. A number of ventilation openings are provided on the upper surface of the cabinet frame. A fan is provided in each ventilation opening. A ventilation seat is fixedly installed above the cabinet frame. The ventilation seat is provided with a grille and has a cavity inside. An audible and visual alarm is provided on the ventilation seat. The audible and visual alarm is connected to the central controller.

[0006] Preferably, an internal charging seat is provided on the partition. The internal charging seat is connected to the battery pack by a circuit. An external charging seat is provided on one side of the cabinet frame. The external charging seat is connected to the previous process by a circuit. The internal charging seat and the external charging seat are electrically connected by a charging wire. A control power-off component is provided on the charging wire.

[0007] Preferably, the control power-off component includes a mounting frame. A rotating shaft is rotatably installed on the mounting frame. A first gear disk is provided on the rotating shaft. A driving motor is provided below the rotating shaft. A second gear disk is provided on the output shaft of the driving motor. The first gear disk and the second gear disk are meshed with each other. Main turntables are fixedly connected to both sides of the rotating shaft. The main turntables are fixedly connected to auxiliary turntables through connecting rods. A follower shaft is fixedly connected to the auxiliary turntable. A winding reel is sleeved on the follower shaft. A metal tube is fixedly connected to the winding reel. The metal tube is fixedly connected to a docking end. The charging wire is wound inside the winding reel. The charging wire passes through the metal tube and is electrically connected to the connection end. The docking end is connected to the internal charging seat.

[0008] Preferably, a spray system is provided inside the cabinet frame. The spray system includes a first upper fire-fighting transport pipe and a second upper fire-fighting transport pipe. Both the first upper fire-fighting transport pipe and the second upper fire-fighting transport pipe are connected to a foam generator through pipelines. The second upper fire-fighting transport pipe passes through the partition and is located inside the component compartment and the power-off compartment. The first upper fire-fighting transport pipe is located directly above the battery pack. The second upper fire-fighting transport pipe is located above the battery pack and is biased towards the front end of the battery pack. The second upper fire-fighting transport pipe is connected to a left fire-fighting transport pipe, a middle fire-fighting transport pipe, and a right fire-fighting transport pipe. The left fire-fighting transport pipe is located on the left inner wall of the component compartment. The right fire-fighting transport pipe is located on the right inner wall of the battery compartment. An opening is provided on the partition. The middle fire-fighting transport pipe is located inside the opening of the partition. A number of small nozzles are provided on the lower side of the first upper fire-fighting transport pipe, the lower side of the second upper fire-fighting transport pipe, the right side of the left fire-fighting transport pipe, the left side of the right fire-fighting transport pipe, and both the left and right sides of the middle fire-fighting transport pipe.

[0009] Preferably, the small nozzles of the second upper fire-fighting transport pipe are respectively directed towards the battery pack, the battery, and the fire control components. The small nozzles of the left fire-fighting transport pipe are directed towards the battery and the fire control components. The left fire-fighting transport pipe of the right fire-fighting transport pipe is directed towards the battery pack. The small nozzles of the middle fire-fighting transport pipe are distributed on both the left and right sides of the middle fire-fighting transport pipe. The small nozzles on the left side of the middle fire-fighting transport pipe are directed towards the device. The small nozzles on the right side of the middle fire-fighting transport pipe are directed towards the battery pack.

[0010] Preferably, connection seats are fixedly connected to both the left and right ends of the first upper fire-fighting transport pipe and both the left and right ends of the second upper fire-fighting transport pipe. The connection seats are fixedly installed on the upper inner wall of the cabinet frame.

[0011] Preferably, there are several shunt injection devices. One of the shunt injection devices is connected to a forced power-off component. The forced power-off component is connected to a spray pipe. The spray pipe is fixedly installed inside the power-off compartment. A high-pressure nozzle is provided at the output port of the spray pipe. The high-pressure nozzle is directed towards the control power-off component.

[0012] Preferably, the forced power-off component includes a trigger box. An input port is provided below the trigger box and is communicated with a fire pipeline. An output port is provided on one side of the trigger box and is communicated with a spray pipe. A sealing treatment seat is provided above the box. A through hole is provided on the sealing treatment seat. A placement rack is provided on one side of the trigger box. A travel switch is arranged on the placement rack. The button of the travel switch faces the through hole of the sealing treatment seat. The travel switch is connected to a central controller. A sliding seat and its sealing element are slidably installed in the box. A trigger rod is provided on the sliding seat. The sliding seat slides in the up and down direction of the trigger box. When the sliding seat slides upward and exceeds the output port, the trigger rod passes through the through hole and contacts the button of the travel switch.

[0013] The beneficial effects of the present invention are as follows: 1. Through the collaborative work of the foam generator and the split injection device, the present invention can quickly and accurately spray the fire extinguishing agent to every corner of the battery compartment and the fire protection treatment compartment. In particular, the design of multiple large spray nozzles and numerous small spray nozzles on each transport pipe in the spray system ensures a large and uniform fire extinguishing coverage area, can effectively inhibit the spread of fire, quickly extinguish the fire, minimize the damage of the fire to the battery pack and other equipment, and reduce property losses.

[0014] 2. The power-off control component of the present invention can quickly cut off the power supply of the battery pack in case of emergency, such as detecting a fire or an abnormally high-risk situation of the battery pack. This can not only prevent the further expansion of the fire caused by electrical faults such as short circuits, but also avoid the risk of electric shock to personnel, creating safe conditions for subsequent fire protection treatment and accident rescue.

[0015] 3. Monitors are arranged in the battery compartment, the component compartment, and the power-off compartment of the present invention, which can collect temperature environment state data in real time and quickly transmit these data to the central controller. Based on the analysis and processing of these data, the central controller can immediately respond once an abnormality is found, such as starting the fire protection device, triggering the sound and light alarm, etc., realizing the seamless connection between real-time monitoring and fire protection treatment.

[0016] 4. When it is detected that the temperature of a certain area in the battery compartment rises abnormally, the present invention can accurately control the spray system in the corresponding area to extinguish the fire and cool down, and at the same time start the fan in the ventilation seat for ventilation and heat dissipation, preventing the occurrence of thermal runaway, and greatly improving the intelligent level and processing efficiency of dealing with safety accidents.

[0017] 5. The internal charging socket on the separator of the present invention is connected to the battery pack circuit, and the external charging socket on one side of the cabinet frame is connected to the pre-process circuit. This design makes the charging operation of the battery pack more convenient and efficient. At the same time, the control power-off component can also play a protective role during the charging process. When charging anomalies are detected, the charging wire can be cut off in a timely manner to avoid damage to the battery caused by overcharging and other problems, and extend the service life of the battery.

[0018] 6. The design of the ventilation openings and ventilation seats on the upper surface of the cabinet frame of the present invention can effectively promote air circulation, take away the heat generated by the battery during charge and discharge, reduce the temperature inside the battery compartment, and improve the operating stability and safety of the battery. In addition, the sound and light alarm on the ventilation seat can issue an alarm in a timely manner when a safety accident occurs, reminding the staff to handle it and reducing the impact caused by the accident.

[0019] 7. The modular design of devices such as the flow splitting and spraying device and the monitor of the present invention, as well as the standardized connection method between components, make the entire fire protection device have good expandability. When the scale of the future energy storage power station expands or the technology is upgraded, corresponding devices can be conveniently added or replaced to meet different needs and reduce the system upgrade and maintenance costs.

[0020] 8. The forced power-off component connected to the flow splitting and spraying device of the present invention can respond quickly when the fire protection system is activated. When the fire extinguishing agent or pressure ejected by the high-pressure nozzle acts on the sliding seat in the trigger box, the sliding seat slides upward, the trigger rod passes through the through hole and presses the button of the travel switch, realizing the power-off of the external charging socket, further strengthening the coordinated cooperation between the fire protection system and the power-off operation, and comprehensively improving the safety protection ability of the energy storage power station in case of emergency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of a fire protection device for a water-based sodium-ion battery energy storage power station of the present invention.

[0022] Figure 2 It is a front view schematic diagram of the cabinet frame of a fire protection device for a water-based sodium-ion battery energy storage power station of the present invention.

[0023] Figure 3 It is a rear view schematic diagram of the cabinet frame of a fire protection device for a water-based sodium-ion battery energy storage power station of the present invention.

[0024] Figure 4 It is a schematic diagram of the control power-off component of a fire protection device for a water-based sodium-ion battery energy storage power station of the present invention.

[0025] Figure 5 It is a schematic diagram of the position of the sprinkler system and the battery pack of a fire protection device for a water-based sodium-ion battery energy storage power station of the present invention.

[0026] Figure 6Schematic diagram of the sprinkler system of a fire-fighting device for a water-based sodium-ion battery energy storage power station according to the present invention.

[0027] Figure 7 Schematic diagram of the forced power-off component of a fire-fighting device for a water-based sodium-ion battery energy storage power station according to the present invention.

[0028] Figure 8 Schematic cross-sectional view of the trigger box of the forced power-off component of a fire-fighting device for a water-based sodium-ion battery energy storage power station according to the present invention.

[0029] In the figure: 1. Frame; 11. Partition; 12. Fire-fighting treatment cabin; 13. Battery cabin; 14. Mounting plate; 15. Component cabin; 16. Power-off cabin; 17. Ventilation opening; 18. Ventilation seat; 19. Acoustic and optical alarm; 110. Monitor; 111. Sealing cover plate; 112. Open port; 2. Battery pack; 3. Battery and fire-fighting control components; 31. PCS system processor; 32. Monitoring processor; 33. Power supply controller; 34. Fire-fighting controller; 4. Control power-off component; 41. Mounting frame; 42. Rotating shaft; 43. Main turntable; 44. Link; 45. Sub turntable; 46. Follow-up shaft; 47. Winding reel; 48. Charging wire; 49. Docking end; 410. External charging seat; 411. Internal charging seat; 412. First gear disc; 413. Driving motor; 414. Second gear disc; 415. Metal pipe; 5. Flow splitting and spraying device; 51. Large nozzle; 6. Foam generator; 7. Spray pipe; 71. High-pressure nozzle; 8. Sprinkler system; 81. First upper fire-fighting transport pipe; 82. Second upper fire-fighting transport pipe; 83. Small nozzle; 84. Left fire-fighting transport pipe; 85. Right fire-fighting transport pipe; 86. Middle fire-fighting transport pipe; 87. Connection seat; 9. Forced power-off component; 92. Trigger box; 93. Input port; 94. Output port; 95. Sealing treatment seat; 96. Placing rack; 97. Travel switch; 98. Sliding seat; 99. Trigger rod. Detailed implementation manners

[0030] A fire protection device for a water-based sodium-ion battery energy storage power station, comprising a central controller, an external charging seat 410, an internal charging seat 411, a shunt injection device 5, a foam generator 6, and a monitor 110. The shunt injection device 5, the foam generator 6, and the monitor 110 are all connected to the central controller. It is characterized in that it includes a cabinet frame 1. There is a partition 11 inside the cabinet frame 1. The left side of the partition 11 is a fire protection treatment compartment 12, and the right side of the partition 11 is a battery compartment 13. A battery pack 2 is arranged in the battery compartment 13; An installation partition 14 is fixedly installed in the fire protection treatment compartment 12. The front side of the installation partition 14 is a component compartment 15, and the rear side of the installation partition 14 is a power-off compartment 16. Battery and fire control components 3 are arranged in the component compartment 15. The battery and fire control components 3 include a fire controller 34, a power supply controller 33, a monitoring processor 32, and a PCS system processor 31. The PCS system processor 31, the monitoring processor 32, the power supply controller 33, and the fire controller 34 are fixedly connected to the installation partition 14 from top to bottom in sequence. The fire controller 34, the power supply controller 33, the monitoring processor 32, and the PCS system processor 31 are all connected to the central controller. A control power-off component 4 is arranged in the power-off compartment 16. The control power-off component 4 is used to cut off the power supply to the battery pack 2; The front and rear sides of the cabinet frame 1 are open. A sealing cover plate 111 is fixedly installed on the rear side of the cabinet frame 1. The shunt injection device 5 is arranged on the sealing cover plate 111. The shunt injection device 5 is provided with a plurality of large nozzles 51, and the plurality of large nozzles 51 are respectively oriented towards the power-off compartment 16 and the battery compartment 13. A foam generator 6 is arranged outside the cabinet frame 1. The foam generator 6 is communicated with the shunt injection device 5 through a pipeline. Monitors 110 are arranged in the battery compartment 13, the component compartment 15, and the power-off compartment 16. The monitors 110 are used to detect the temperature state inside the cabinet frame 1; A plurality of ventilation openings 17 are arranged on the upper surface of the cabinet frame 1. Fans are arranged in the ventilation openings 17. A ventilation seat 18 is fixedly installed above the cabinet frame 1. The ventilation seat 18 is provided with a grille and the inside is a cavity. An audible and visual alarm 19 is arranged on the ventilation seat 18. The audible and visual alarm 19 is connected to the central controller. An internal charging seat 411 is arranged on the partition 11. The internal charging seat 411 is connected to the battery pack 2 by a circuit. An external charging seat 410 is arranged on one side of the cabinet frame 1. The external charging seat 410 is connected to the previous process by a circuit. The internal charging seat 411 and the external charging seat 410 are electrically connected by a charging wire 48. A control power-off component 4 is arranged on the charging wire 48.

[0031] The power-off control component 4 includes a mounting bracket 41, on which a rotating shaft 42 is rotatably mounted. A first gear disc 412 is provided on the rotating shaft 42, and a driving motor 413 is arranged below the rotating shaft 42. A second gear disc 414 is provided on the output shaft of the driving motor 413, and the first gear disc 412 and the second gear disc 414 are meshed with each other. Main turntables 43 are fixedly connected to both sides of the rotating shaft 42. The main turntables 43 are fixedly connected to a secondary turntable 45 through connecting rods 44. A follower shaft 46 is fixedly connected to the secondary turntable 45. A wire-winding reel 47 is sleeved on the follower shaft 46. A metal tube 415 is fixedly connected to the wire-winding reel 47, and the metal tube 415 is fixedly connected to a docking end 49. A charging wire 48 is wound inside the wire-winding reel 47. The charging wire 48 passes through the metal tube 415 and is electrically connected to the docking end 49, and the docking end 49 is connected to an internal charging seat 411.

[0032] A spraying system 8 is arranged inside the cabinet frame 1. The spraying system 8 includes a first upper fire-fighting transport pipe 81 and a second upper fire-fighting transport pipe 82. Both the first upper fire-fighting transport pipe 81 and the second upper fire-fighting transport pipe 82 are connected to a foam generator 6 through pipes. The second upper fire-fighting transport pipe 82 passes through a partition 11 and is located inside the component compartment 15 and the power-off compartment 16. The first upper fire-fighting transport pipe 81 is located directly above the battery pack 2, and the second upper fire-fighting transport pipe 82 is located above the battery pack 2 and is inclined towards the front end of the battery pack 2. The second upper fire-fighting transport pipe 82 is connected to a left fire-fighting transport pipe 84, a middle fire-fighting transport pipe 86, and a right fire-fighting transport pipe 85. The left fire-fighting transport pipe 84 is located on the left inner wall of the component compartment 15, the right fire-fighting transport pipe 85 is located on the right inner wall of the battery compartment 13, and an opening 112 is provided on the partition 11. The middle fire-fighting transport pipe 86 is located inside the opening 112 of the partition 11. A number of small nozzles 83 are provided on the lower side of the first upper fire-fighting transport pipe 81, the lower side of the second upper fire-fighting transport pipe 82, the right side of the left fire-fighting transport pipe 84, the left side of the right fire-fighting transport pipe 85, and both the left and right sides of the middle fire-fighting transport pipe 86. The small nozzles 83 of the second upper fire-fighting transport pipe 82 are respectively directed towards the battery pack 2 and the battery and fire control element 3. The small nozzles 83 of the left fire-fighting transport pipe 84 are directed towards the battery and fire control element 3. The left fire-fighting transport pipe 84 of the right fire-fighting transport pipe 85 is directed towards the battery pack 2. The small nozzles 83 of the middle fire-fighting transport pipe 86 are distributed on both the left and right sides of the middle fire-fighting transport pipe 86. The small nozzles 83 on the left side of the middle fire-fighting transport pipe 86 are directed towards the device, and the small nozzles 83 on the right side of the middle fire-fighting transport pipe 86 are directed towards the battery pack 2. Connecting seats 87 are fixedly connected to both the left and right ends of the first upper fire-fighting transport pipe 81 and both the left and right ends of the second upper fire-fighting transport pipe 82, and the connecting seats 87 are fixedly installed on the upper inner wall of the cabinet frame 1.

[0033] There are several flow-dividing injection devices 5, and a forced power-off component 9 is connected to one of the flow-dividing injection devices 5. The forced power-off component 9 is connected to a nozzle 7. The nozzle 7 is fixedly installed in the power-off cabin 16. A high-pressure nozzle 71 is provided at the output port of the nozzle 7, and the high-pressure nozzle 71 faces the direction of the control power-off component 4. The forced power-off component 9 includes a trigger box 92. An input port 93 is provided below the trigger box 92, and the input port 93 is connected to the fire pipeline. An output port 94 is provided on one side of the trigger box 92, and the output port 94 is connected to the nozzle 7. A sealing treatment seat 95 is provided above the box. A through hole is provided on the sealing treatment seat 95. A placement rack 96 is provided on one side of the trigger box 92. A travel switch 97 is arranged on the placement rack 96. The button of the travel switch 97 faces the through hole of the sealing treatment seat 95, and the travel switch 97 is connected to the central controller. A sliding seat 98 and its sealing element are slidably installed in the box. A trigger rod 99 is provided on the sliding seat 98. The sliding seat 98 slides in the up and down direction of the trigger box 92. When the sliding seat 98 slides upward and exceeds the output port 94, the trigger rod 99 passes through the through hole and contacts the button of the travel switch 97.

Claims

1. A fire protection device for a water-based sodium-ion battery energy storage power station, comprising a central controller, an external charging base (410), an internal charging base (411), a shunt injection device (5), a foam generator (6), and a monitor (110). The shunt injection device (5), the foam generator (6), and the monitor (110) are all connected to the central controller. It is characterized in that, It includes a cabinet frame (1). A partition board (11) is arranged inside the cabinet frame (1). The left side of the partition board (11) is a fire treatment compartment (12), and the right side of the partition board (11) is a battery compartment (13). A battery pack (2) is arranged inside the battery compartment (13). An installation partition board (14) is fixedly installed inside the fire treatment compartment (12). The front side of the installation partition board (14) is a component compartment (15), and the rear side of the installation partition board (14) is a power-off compartment (16). A battery and fire control component (3) is arranged inside the component compartment (15), and a control power-off component (4) is arranged inside the power-off compartment (16). The control power-off component (4) is used to cut off the power supply to the battery pack (2). The front and rear sides of the cabinet frame (1) are open. A sealing cover plate (111) is fixedly installed on the rear side of the cabinet frame (1). A shunt injection device (5) is arranged on the sealing cover plate (111). The shunt injection device (5) is provided with a number of large nozzles (51). The number of large nozzles (51) respectively face the power-off compartment (16) and the battery compartment (13). A foam generator (6) is arranged outside the cabinet frame (1). The foam generator (6) is communicated with the shunt injection device (5) through a pipeline.

2. The fire-fighting device for a water-based sodium-ion battery energy storage power station according to claim 1, wherein, The battery and fire control component (3) includes a fire controller (34), a power supply controller (33), a monitoring processor (32), and a PCS system processor (31). The PCS system processor (31), the monitoring processor (32), the power supply controller (33), and the fire controller (34) are fixedly connected to the installation partition board (14) in sequence from top to bottom. The fire controller (34), the power supply controller (33), the monitoring processor (32), and the PCS system processor (31) are all connected to the central controller.

3. The fire-fighting device for a water-based sodium-ion battery energy storage power station according to claim 1, characterized in that, Monitors (110) are arranged inside the battery compartment (13), the component compartment (15), and the power-off compartment (16). The monitors (110) are used to detect the temperature state inside the cabinet frame (1). A number of ventilation openings (17) are arranged on the upper surface of the cabinet frame (1). A fan is arranged inside the ventilation openings (17). A ventilation seat (18) is fixedly installed above the cabinet frame (1). The ventilation seat (18) is provided with a grille and its interior is a cavity. An audible and visual alarm (19) is arranged on the ventilation seat (18). The audible and visual alarm (19) is connected to the central controller.

4. A fire protection device for a water-based sodium-ion battery energy storage power station according to claim 1, wherein, An internal charging seat (411) is arranged on the partition board (11). The internal charging seat (411) is connected to the battery pack (2) by a circuit. An external charging seat (410) is arranged on one side of the cabinet frame (1). The external charging seat (410) is connected to the previous process by a circuit. The internal charging seat (411) and the external charging seat (410) are electrically connected by a charging wire (48). A control power-off component (4) is arranged on the charging wire (48).

5. A fire-fighting device for a water-based sodium-ion battery energy storage power station according to claim 4, characterized in that, The described power-off control component (4) includes a mounting frame (41), on which a rotating shaft (42) is rotatably mounted. A first gear disc (412) is provided on the rotating shaft (42). Below the rotating shaft (42), a driving motor (413) is arranged, and a second gear disc (414) is provided on the output shaft of the driving motor (413). The first gear disc (412) and the second gear disc (414) are meshed with each other. On both sides of the rotating shaft (42), a main turntable (43) is fixedly connected. The main turntable (43) is fixedly connected to a sub-turntable (45) through a connecting rod (44). A follower shaft (46) is fixedly connected to the sub-turntable (45). A winding reel (47) is sleeved on the follower shaft (46). A metal tube (415) is fixedly connected to the winding reel (47), and the metal tube (415) is fixedly connected to a docking end (49). A charging wire (48) is wound inside the winding reel (47). The charging wire (48) passes through the metal tube (415) and is electrically connected to the connection end (49). The docking end (49) is connected to the internal charging base (411).

6. The fire-fighting device for a water-based sodium-ion battery energy storage power station according to claim 1, wherein A spraying system (8) is arranged inside the cabinet frame (1). The spraying system (8) includes a first upper fire transport pipe (81) and a second upper fire transport pipe (82). Both the first upper fire transport pipe (81) and the second upper fire transport pipe (82) are communicated with a foam generator (6) through pipes. The second upper fire transport pipe (82) passes through a partition board (11) and is located inside the component compartment (15) and the power-off compartment (16). The first upper fire transport pipe (81) is located directly above the battery pack (2), and the second upper fire transport pipe (82) is located above the battery pack (2) and is biased towards the front end of the battery pack (2). The second upper fire transport pipe (82) is communicated with a left fire transport pipe (84), a middle fire transport pipe (86), and a right fire transport pipe (85). The left fire transport pipe (84) is located on the left inner wall of the component compartment (15), the right fire transport pipe (85) is located on the right inner wall of the battery compartment (13), and an opening (112) is provided on the partition board (11). The middle fire transport pipe (86) is located inside the opening (112) of the partition board (11). A number of small nozzles (83) are provided on the lower side of the first upper fire transport pipe (81), the lower side of the second upper fire transport pipe (82), the right side of the left fire transport pipe (84), the left side of the right fire transport pipe (85), and on both the left and right sides of the middle fire transport pipe (86).

7. The fire-fighting device for a water-based sodium-ion battery energy storage power station according to claim 6, wherein, The small nozzles (83) of the second upper fire transport pipe (82) face the battery pack (2) and the battery and fire control element (3) respectively. The small nozzles (83) of the left fire transport pipe (84) face the battery and fire control element (3). The right fire transport pipe (85) and the left fire transport pipe (84) face the battery pack (2). The small nozzles (83) of the middle fire transport pipe (86) are distributed on the left and right sides of the middle fire transport pipe (86). The small nozzles (83) on the left side of the middle fire transport pipe (86) face the device direction, and the small nozzles (83) on the right side of the middle fire transport pipe (86) face the battery pack (2).

8. A fire protection device for a water-based sodium-ion battery energy storage power station according to claim 6, characterized in that, Connection seats (87) are fixedly connected to the left and right ends of the first upper fire transport pipe (81) and the left and right ends of the second upper fire transport pipe (82). The connection seats (87) are fixedly installed on the inner upper wall of the cabinet frame (1).

9. The fire-fighting device for a water-based sodium-ion battery energy storage power station according to claim 1, characterized in that, There are several shunt injection devices (5). One of the shunt injection devices (5) is connected to a forced power-off component (9). The forced power-off component (9) is connected to a spray pipe (7). The spray pipe (7) is fixedly installed in the power-off cabin (16). A high-pressure nozzle (71) is provided at the output port of the spray pipe (7). The high-pressure nozzle (71) faces the control power-off component (4).

10. A fire protection device for a water-based sodium-ion battery energy storage power station according to claim 9, characterized in that, The forced power-off component (9) includes a trigger box (92). An input port (93) is provided below the trigger box (92). The input port (93) is connected to the fire pipeline. An output port (94) is provided on one side of the trigger box (92). The output port (94) is connected to the spray pipe (7). A sealing treatment seat (95) is provided above the box. A through hole is provided on the sealing treatment seat (95). A placement rack (96) is provided on one side of the trigger box (92). A travel switch (97) is arranged on the placement rack (96). The button of the travel switch (97) faces the through hole of the sealing treatment seat (95). The travel switch (97) is connected to the central controller. A sliding seat (98) and its sealing element are slidably installed in the box. A trigger rod (99) is provided on the sliding seat (98). The sliding seat (98) slides in the up and down direction of the trigger box (92). When the sliding seat (98) slides upward and exceeds the output port (94), the trigger rod (99) passes through the through hole and contacts the button of the travel switch (97).

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