PCS cabin structure for heat dissipation of sodium ion battery energy storage system

By designing a PCS cabin structure containing a low-temperature pipe group and a spray pipe group, the problem of being unable to take into account large-area and localized heat dissipation in the existing technology is solved, and safety guarantee is provided through fire water pipes and sprinklers, realizing the sodium-ion battery system. Efficient cooling and safe control.

CN119361937APending Publication Date: 2025-01-24HANGZHOU XUDA NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202411178861.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-01-24

AI Technical Summary

Technical Problem

The existing technology cannot combine timely large-area heat dissipation and local sodium ion batteries with the lack of corresponding fire protection measures, resulting in insufficient temperature control and safety guarantees.

Method used

Design a PCS cabin structure including the cabin, PCS frame, PCS control assembly box, low temperature pipe group and temperature control assembly box, and achieve large -scale and local heat dissipation through the low -temperature tube group and spray tube combination, and equipped with a fire water pipe Fire protection measures with the nozzle.

Benefits of technology

Realize the effective heat dissipation and effective heat dissipation of local sodium ion batteries in a timely manner. At the same time, it has corresponding fire protection measures to ensure the safety and stability of the battery system.

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Abstract

The invention discloses a PCS cabin structure for heat dissipation of a sodium ion battery energy storage system, the PCS cabin structure comprises a cabin body, a PCS frame, a PCS control assembly box, a low-temperature pipe group and a temperature control assembly box, the PCS frame, the PCS control assembly box, the low-temperature pipe group and the temperature control assembly box are all arranged in the cabin body, a base is arranged in the cabin body, the base is fixedly connected with the bottom surface of the cabin body, and the PCS frame, the PCS control assembly box, the low-temperature pipe group and the temperature control assembly box are arranged in the cabin body. The PCS frame, the PCS control assembly box, the low-temperature pipe set and the temperature control assembly box are all fixedly connected with the base, the PCS control assembly box is connected with the PCS frame, the temperature control assembly box is connected with the low-temperature pipe set and the PCS frame, an environment temperature sensing probe is further arranged in the cabin body and connected with the temperature control assembly box, a plurality of sodium ion battery frame plates are arranged on the PCS frame, and the sodium ion battery frame plates are connected with the PCS frame. The sodium ion battery rack plates are uniformly distributed up and down, and are respectively connected with the PCS control assembly box and the temperature control assembly box. The invention has the beneficial effects of timely large-area heat dissipation and local heat dissipation of the sodium ion battery.
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Description

Technical Field

[0001] The present invention relates to the technical field related to a PCS cabin of a sodium ion battery, and in particular to a PCS cabin structure for heat dissipation of a sodium ion battery energy storage system. Background Art

[0002] The PCS cabin refers to the power conversion system (Power Conversion System) in the energy storage power station. Its main function is to effectively control the electric energy stored in the battery pack and other electric energy storage devices so that it can be output as electric energy when needed to supply power to the power grid or terminal load. Most of the current energy storage cabins use lithium batteries, but with the development of science and technology, considering the problems of resources and use, the PCS cabins of sodium ion batteries are also beginning to be used. Although sodium ion batteries have the advantages of low cost, high safety, good low temperature performance, strong fast charging ability, etc., the PCS cabin of sodium ion batteries gathers a large number of sodium ion batteries, and its temperature control is still very important. Timely heat dissipation is required to prevent the discharge efficiency from deteriorating. In addition, the stability of sodium ion batteries is not good enough. Changes in sodium ion batteries must be discovered in time, and fire prevention measures must be taken. In addition to controlling the ambient temperature, local sodium ion battery temperature changes and cooling must be discovered in time. Summary of the invention

[0003] The present invention aims to overcome the shortcomings of the prior art that both timely large-area heat dissipation and local sodium-ion battery heat dissipation can be achieved, as well as the lack of corresponding fire-fighting measures. A PCS cabin structure for heat dissipation of a sodium-ion battery energy storage system is provided, which can achieve both timely large-area heat dissipation and local sodium-ion battery heat dissipation, as well as corresponding fire-fighting measures.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions: A PCS cabin structure for heat dissipation of a sodium ion battery energy storage system, comprising a cabin, a PCS frame, a PCS control assembly box, a cryogenic pipe group and a temperature control assembly box, wherein the PCS frame, the PCS control assembly box, the cryogenic pipe group and the temperature control assembly box are all placed in the cabin, a base is provided in the cabin, the base is fixedly connected to the bottom surface of the cabin, the PCS frame, the PCS control assembly box, the cryogenic pipe group and the temperature control assembly box are all fixedly connected to the base, the PCS frame has several and is evenly distributed in the cabin, the PCS control assembly box is connected to the PCS frame, and the cryogenic pipe groups are respectively placed in the cabin The upper end face and the lower end face of the temperature control assembly box are respectively connected to the low-temperature pipe group and the PCS frame. The cabin is also provided with an ambient temperature sensing probe. There are several ambient temperature sensing probes and they correspond to the PCS frames one by one. The ambient temperature sensing probes are fixedly connected to the cabin, and the ambient temperature sensing probes are connected to the temperature control assembly box. The PCS frame is provided with several sodium ion battery rack plates, and the sodium ion battery rack plates are evenly distributed up and down. The sodium ion battery rack plates are fixedly connected to the PCS frame, and the sodium ion battery rack plates are respectively connected to the PCS control assembly box and the temperature control assembly box.

[0005] When in use, sodium ion batteries are installed on the sodium ion battery rack board of the PCS rack, and the PCS control assembly box, cryogenic pipe group and temperature control assembly box in the cabin start to operate. The ambient temperature sensing probe will transmit the temperature to the temperature control assembly box in real time, and the temperature control assembly box will control the cryogenic pipe group. The cryogenic pipe groups are placed on the base and the top surface of the cabin respectively, so that the cooling area will be larger and the effect will be better. According to the temperature difference between the upper and lower parts, the cryogenic pipe groups in different positions can be adjusted separately, achieving the purpose of timely large-area heat dissipation and local sodium ion battery heat dissipation, as well as corresponding fire protection measures.

[0006] Preferably, the cryogenic pipe group includes a bottom cryogenic pipe and a top cryogenic pipe, each of which has a plurality of bottom cryogenic pipes and a plurality of top cryogenic pipes, the bottom cryogenic pipe is fixedly connected to the upper end surface of the base and is distributed around the PCS frame, the top cryogenic pipe is fixedly connected to the top surface of the cabin, and the bottom cryogenic pipe and the top cryogenic pipe are both connected to the temperature control assembly box. The bottom cryogenic pipe and the top cryogenic pipe can cool a larger area, and can be adjusted according to the characteristics of the cold and hot air.

[0007] Preferably, corresponding spray pipes are provided on both sides of the PCS rack, the corresponding spray pipes correspond to the sodium ion battery rack plate, the corresponding spray pipes are fixedly connected to the side of the PCS rack, the corresponding spray pipes are connected to the temperature control assembly box, and the cabin is provided with a liquid inlet pipe, which passes from the outside of the cabin into the cabin and communicates with the corresponding spray pipe. The corresponding spray pipe and the liquid inlet pipe can focus more on a single PCS rack and use spray to cool down the local area.

[0008] Preferably, the corresponding spray pipe is provided with a spray port and a spray controller, the spray ports are in multiple numbers and correspond to the sodium ion battery racks one by one, the spray controller is connected to the corresponding spray pipe, the spray port is connected to the spray controller, and the spray controller is connected to the temperature control assembly box. The spray port can cool down a single sodium ion battery, and the temperature control assembly box allows the spray controller to be responsible for the temperature control of the corresponding PCS rack.

[0009] Preferably, the cabin is provided with air outlets, and there are a plurality of air outlets, all of which are arranged on the side of the cabin. When the sodium ion battery leaks, the multiple air outlets can quickly and safely discharge the toxic gas in the air through air circulation.

[0010] Preferably, the cabin is provided with an infrared camera probe and a display, there are several infrared camera probes corresponding to the PCS frame, the display is fixedly connected to the outer side of the cabin, the display is connected to the infrared camera probe, and the PCS control assembly box and the temperature control assembly box are both connected to the display. The infrared camera probe and the display can observe the status of the sodium ion battery in the cabin in real time, and can promptly find out which part has high temperature, so as to prevent the expansion of damage in advance.

[0011] Preferably, an operation panel is provided on the outer side of the cabin, the operation panel is fixedly connected to the outer side of the cabin, and the operation panel is respectively connected to the PCS control assembly box and the temperature control assembly box. The operation panel is convenient for operation outside the cabin.

[0012] Preferably, the operation panel is provided with a plurality of display lights and an emergency brake button, and the display lights and the emergency brake button are fixedly connected to the operation panel. The display lights can more intuitively show that the operation of the sodium ion battery is very safe, and the emergency brake button is convenient for directly stopping the operation of the sodium ion battery in danger.

[0013] Preferably, the sodium ion battery rack is provided with a stop bar, a through hole and an anti-slip strip, the stop bar is fixedly connected to the outer side of the sodium ion battery rack, the through holes are provided in a plurality and evenly distributed on the sodium ion battery rack, and the anti-slip strip is provided in a plurality and fixedly connected to the upper end surface of the sodium ion battery rack. The stop bar and the anti-slip strip improve the stability of the sodium ion battery, and the through hole facilitates the heat dissipation of the sodium ion battery.

[0014] Preferably, a fire hose is provided on the top surface of the cabin body, the fire hose is fixedly connected to the top surface of the cabin body, a plurality of fire sprinklers are provided on the fire hose, the fire sprinklers are connected to the fire hose, and the fire sprinklers are respectively connected to the temperature control assembly box and the operation panel. The fire hose and the fire sprinklers can directly carry out fire fighting in dangerous situations such as burning, so as to prevent the spread of danger.

[0015] The beneficial effects of the present invention are: it can achieve both timely large-area heat dissipation and local sodium ion battery heat dissipation, as well as the purpose of corresponding fire prevention measures; the bottom low-temperature tube and the top low-temperature tube can cool a larger area, and the bottom low-temperature tube and the top low-temperature tube can be respectively adjusted according to the characteristics of cold and hot air; the corresponding spray tube and the liquid inlet tube can focus more on a single PCS rack and use spray for local cooling; the spray port can cool a single sodium ion battery, and the temperature control assembly box can allow the spray controller to be responsible for the cooling control of the corresponding PCS rack; multiple air outlets can quickly and safely vent the air through air circulation when the sodium ion battery leaks. Toxic gases in the air are discharged; infrared camera probes and displays can observe the status of the sodium-ion batteries in the cabin in real time, and can promptly detect which parts have high temperatures, so as to prevent the expansion of damage in advance; the operation panel is convenient for operation outside the cabin; the display light can more intuitively know that the operation of the sodium-ion battery is very safe, and the emergency brake button is convenient for directly stopping the operation of the sodium-ion battery in danger; the gear bar and anti-slip strip improve the stability of the sodium-ion battery, and the through hole facilitates the heat dissipation of the sodium-ion battery; the fire hose and fire sprinkler can directly carry out firefighting work in dangerous situations such as burning, so as to prevent the spread of danger. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 yes Figure 1 An enlarged view of detail A; Figure 3 yes Figure 1 An enlarged view of detail B; Figure 4 is a side view of the present invention; Figure 5 yes Figure 4 Cross-sectional view of CC; Figure 6 yes Figure 5 Detail of D.

[0017] In the figure: 1. Cabin, 2. PCS rack, 3. PCS control assembly box, 4. Ambient temperature sensor probe, 5. Base, 6. Sodium ion battery rack, 7. Temperature control assembly box, 8. Bottom low-temperature tube, 9. Top low-temperature tube, 10. Corresponding spray tube, 11. Liquid inlet pipe, 12. Spray port, 13. Spray controller, 14. Air outlet, 15. Infrared camera probe, 16. Display, 17. Operation panel, 18. Display light, 19. Emergency brake button, 20. Gear bar, 21. Through hole, 22. Fire water pipe, 23. Fire sprinkler, 24. Anti-slip strip. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] like Figure 1 , Figure 4 and Figure 5 As shown, a PCS cabin structure for heat dissipation of a sodium ion battery energy storage system includes a cabin 1, a PCS frame 2, a PCS control assembly box 3, a cryogenic pipe group and a temperature control assembly box 7. The PCS frame 2, the PCS control assembly box 3, the cryogenic pipe group and the temperature control assembly box 7 are all placed in the cabin 1. A base 5 is provided in the cabin 1. The base 5 is fixedly connected to the bottom surface of the cabin 1. The PCS frame 2, the PCS control assembly box 3, the cryogenic pipe group and the temperature control assembly box 7 are all fixedly connected to the base 5. There are several PCS frames 2 that are evenly distributed in the cabin 1. The PCS control assembly box 3 is connected to the PCS frame 2. The cryogenic pipe groups are respectively The upper end surface and the lower end surface of the cabin body 1 are placed, and the temperature control assembly box 7 is respectively connected to the low-temperature pipe group and the PCS frame 2. An ambient temperature sensing probe 4 is also provided in the cabin body 1. There are several ambient temperature sensing probes 4 and they correspond one to one with the PCS frame 2. The ambient temperature sensing probes 4 are fixedly connected to the cabin body 1, and the ambient temperature sensing probes 4 are connected to the temperature control assembly box 7. A plurality of sodium ion battery rack plates 6 are provided on the PCS frame 2. The sodium ion battery rack plates 6 are evenly distributed up and down. The sodium ion battery rack plates 6 are fixedly connected to the PCS frame 2, and the sodium ion battery rack plates 6 are respectively connected to the PCS control assembly box 3 and the temperature control assembly box 7.

[0020] like Figure 1 and Figure 5 As shown, the cryogenic pipe group includes a bottom cryogenic pipe 8 and a top cryogenic pipe 9, and there are a plurality of bottom cryogenic pipes 8 and top cryogenic pipes 9. The bottom cryogenic pipe 8 is fixedly connected to the upper end surface of the base 5 and is distributed around the PCS frame 2. The top cryogenic pipe 9 is fixedly connected to the top surface of the cabin 1, and both the bottom cryogenic pipe 8 and the top cryogenic pipe 9 are connected to the temperature control assembly box 7.

[0021] like Figure 1 , Figure 4 and Figure 5 As shown, corresponding spray pipes 10 are provided on both sides of the PCS frame 2, the corresponding spray pipes 10 correspond to the sodium ion battery frame plate 6, the corresponding spray pipes 10 are fixedly connected to the side of the PCS frame 2, the corresponding spray pipes 10 are connected to the temperature control assembly box 7, and a liquid inlet pipe 11 is provided on the cabin body 1, and the liquid inlet pipe 11 penetrates into the cabin body 1 from outside the cabin body 1 and communicates with the corresponding spray pipe 10.

[0022] like Figure 1 , Figure 3 , Figure 5 and Figure 6As shown, a spray port 12 and a spray controller 13 are provided on the corresponding spray pipe 10, there are several spray ports 12 and they correspond one to one with the sodium ion battery frame plate 6, the spray controller 13 is connected to the corresponding spray pipe 10, the spray port 12 is connected to the spray controller 13, and the spray controller 13 is connected to the temperature control assembly box 7.

[0023] like Figure 4 and Figure 5 As shown, the cabin body 1 is provided with air outlets 14 , and there are a plurality of air outlets 14 which are all disposed on the side of the cabin body 1 .

[0024] like Figure 1 and Figure 5 As shown, the cabin 1 is provided with an infrared camera probe 15 and a display 16. There are several infrared camera probes 15 corresponding to the PCS frame 2. The display 16 is fixedly connected to the outer side of the cabin 1. The display 16 is connected to the infrared camera probe 15. The PCS control assembly box 3 and the temperature control assembly box 7 are both connected to the display 16.

[0025] like Figure 2 As shown, an operation panel 17 is provided on the outer side of the cabin body 1 , and the operation panel 17 is fixedly connected to the outer side of the cabin body 1 , and the operation panel 17 is connected to the PCS control assembly box 3 and the temperature control assembly box 7 respectively.

[0026] like Figure 2 As shown, a plurality of display lights 18 and an emergency brake button 19 are provided on the operation panel 17 , and the display lights 18 and the emergency brake button 19 are both fixedly connected to the operation panel 17 .

[0027] like Figure 3 As shown, the sodium ion battery frame plate 6 is provided with a stop bar 20, a through hole 21 and an anti-slip strip 24, the stop bar 20 is fixedly connected to the outer side surface of the sodium ion battery frame plate 6, there are a plurality of through holes 21 and they are evenly distributed on the sodium ion battery frame plate 6, and there are a plurality of anti-slip strips 24 and they are fixedly connected to the upper end surface of the sodium ion battery frame plate 6.

[0028] like Figure 5 As shown, a fire water pipe 22 is provided on the top surface of the cabin body 1, and the fire water pipe 22 is fixedly connected to the top surface of the cabin body 1. A plurality of fire sprinklers 23 are provided on the fire water pipe 22, and the fire sprinklers 23 are connected to the fire water pipe 22. The fire sprinklers 23 are respectively connected to the temperature control assembly box 7 and the operation panel 17.

[0029] When in use, install the sodium ion battery on the sodium ion battery rack plate 6 of the PCS rack 2, the stop bar 20 and the anti-slip bar 24 can prevent the sodium ion battery from sliding, and the through hole 21 can better dissipate the heat of the sodium ion battery, and then let the PCS control assembly box 3 and the temperature control assembly box 7 in the cabin 1 start to run, and the ambient temperature sensing probe 4 will transmit the temperature to the temperature control assembly box 7 in real time, and the temperature control assembly box 7 will control the bottom low-temperature tube 8 and the top low-temperature tube 9, which are respectively placed on the base 5 and the top surface of the cabin 1, so that the cooling area will be larger and the effect will be better. According to the temperature difference between the upper and lower parts, the bottom low-temperature tube 8 and the top low-temperature tube 9 can be adjusted separately. When the infrared camera probe 15 transmits the real-time thermal impact to the display screen 16, if some sodium ion batteries have a temperature If the temperature is too high, the operation panel 17 can be manipulated to allow the cooling liquid to enter the corresponding spray pipe 10 through the liquid inlet pipe 11, and the spray port 12 can spray the corresponding sodium ion battery to take away the heat through vaporization, or the temperature control assembly box 7 can issue a command to the spray controller 13 to let the spray port 12 spray to cool down. Once a fire or other fire-fighting problem occurs, the display light 18 will be displayed, and the emergency brake button 19 can be pressed to stop the sodium ion battery from continuing to work. The fire sprinkler 23 and the fire hose 22 can directly carry out fire-fighting work, or when there is a toxic gas leak from the sodium ion battery, the air outlet 14 can discharge the toxic gas in time, and then detect or replace it, thereby achieving the purpose of both timely large-area heat dissipation and local sodium ion battery heat dissipation, as well as corresponding fire-fighting measures.

Claims

1. A PCS cabin structure for heat dissipation of a sodium ion battery energy storage system, characterized in that: The invention comprises a cabin (1), a PCS frame (2), a PCS control assembly box (3), a cryogenic pipe group and a temperature control assembly box (7), wherein the PCS frame (2), the PCS control assembly box (3), the cryogenic pipe group and the temperature control assembly box (7) are all placed in the cabin (1), a base (5) is provided in the cabin (1), the base (5) is fixedly connected to the bottom surface of the cabin (1), the PCS frame (2), the PCS control assembly box (3), the cryogenic pipe group and the temperature control assembly box (7) are all fixedly connected to the base (5), there are a plurality of PCS frames (2) evenly distributed in the cabin (1), the PCS control assembly box (3) is connected to the PCS frame (2), and the cryogenic pipe group is respectively placed on the upper end surface and the lower end surface of the cabin (1). end surface, the temperature control assembly box (7) is respectively connected to the low-temperature pipe group and the PCS frame (2), the cabin body (1) is also provided with an ambient temperature sensing probe (4), there are a plurality of ambient temperature sensing probes (4) and they correspond one to one with the PCS frame (2), the ambient temperature sensing probes (4) are fixedly connected to the cabin body (1), the ambient temperature sensing probes (4) are connected to the temperature control assembly box (7), the PCS frame (2) is provided with a plurality of sodium ion battery frame plates (6), the sodium ion battery frame plates (6) are evenly distributed up and down, the sodium ion battery frame plates (6) are fixedly connected to the PCS frame (2), and the sodium ion battery frame plates (6) are respectively connected to the PCS control assembly box (3) and the temperature control assembly box (7).

2. According to claim 1, a PCS cabin structure for heat dissipation of a sodium ion battery energy storage system is characterized in that: The cryogenic pipe group comprises a bottom cryogenic pipe (8) and a top cryogenic pipe (9), wherein there are a plurality of the bottom cryogenic pipes (8) and the top cryogenic pipes (9), wherein the bottom cryogenic pipes (8) and the top cryogenic pipes (9) are fixedly connected to the upper end surface of the base (5) and are distributed around the PCS frame (2), and the top cryogenic pipes (9) are fixedly connected to the top surface of the cabin (1), and the bottom cryogenic pipes (8) and the top cryogenic pipes (9) are both connected to the temperature control assembly box (7).

3. According to claim 1, a PCS cabin structure for heat dissipation of a sodium ion battery energy storage system is characterized in that: Corresponding spray pipes (10) are provided on both sides of the PCS frame (2), the corresponding spray pipes (10) correspond to the sodium ion battery frame plate (6), the corresponding spray pipes (10) are fixedly connected to the side of the PCS frame (2), the corresponding spray pipes (10) are connected to the temperature control assembly box (7), and the cabin (1) is provided with a liquid inlet pipe (11), and the liquid inlet pipe (11) penetrates into the cabin (1) from the outside of the cabin (1) and communicates with the corresponding spray pipe (10).

4. A PCS cabin structure for heat dissipation of a sodium ion battery energy storage system according to claim 3, characterized in that: The corresponding spray pipe (10) is provided with a spray port (12) and a spray controller (13), the spray ports (12) are in a plurality and correspond one to one with the sodium ion battery racks (6), the spray controller (13) is connected to the corresponding spray pipe (10), the spray port (12) is connected to the spray controller (13), and the spray controller (13) is connected to a temperature control assembly box (7).

5. A PCS cabin structure for heat dissipation of a sodium ion battery energy storage system according to claim 2 or 3, characterized in that: The cabin body (1) is provided with an air outlet (14), and there are a plurality of air outlets (14) which are all located on the side of the cabin body (1).

6. A PCS cabin structure for heat dissipation of a sodium ion battery energy storage system according to claim 2 or 3, characterized in that: The cabin (1) is provided with an infrared camera probe (15) and a display (16). There are a plurality of infrared camera probes (15) corresponding to the PCS frame (2). The display (16) is fixedly connected to the outer side of the cabin (1). The display (16) is connected to the infrared camera probe (15). The PCS control assembly box (3) and the temperature control assembly box (7) are both connected to the display (16).

7. A PCS cabin structure for heat dissipation of a sodium ion battery energy storage system according to claim 6, characterized in that: An operation panel (17) is provided on the outer side surface of the cabin body (1), the operation panel (17) is fixedly connected to the outer side surface of the cabin body (1), and the operation panel (17) is respectively connected to the PCS control assembly box (3) and the temperature control assembly box (7).

8. A PCS cabin structure for heat dissipation of a sodium ion battery energy storage system according to claim 7, characterized in that: The operating panel (17) is provided with a plurality of display lights (18) and an emergency brake button (19), and the display lights (18) and the emergency brake button (19) are both fixedly connected to the operating panel (17).

9. A PCS cabin structure for heat dissipation of a sodium ion battery energy storage system according to claim 3, characterized in that: The sodium ion battery frame plate (6) is provided with a stop bar (20), a through hole (21) and an anti-slip strip (24); the stop bar (20) is fixedly connected to the outer side surface of the sodium ion battery frame plate (6); there are a plurality of through holes (21) which are evenly distributed on the sodium ion battery frame plate (6); and there are a plurality of anti-slip strips (24) which are fixedly connected to the upper end surface of the sodium ion battery frame plate (6).

10. A PCS cabin structure for heat dissipation of a sodium ion battery energy storage system according to claim 7, characterized in that: A fire-fighting water pipe (22) is provided on the inner top surface of the cabin body (1), the fire-fighting water pipe (22) is fixedly connected to the inner top surface of the cabin body (1), a plurality of fire-fighting nozzles (23) are provided on the fire-fighting water pipe (22), the fire-fighting nozzles (23) are connected to the fire-fighting water pipe (22), and the fire-fighting nozzles (23) are respectively connected to the temperature control assembly box (7) and the operation panel (17).