Cooling and fire-fighting dual-purpose device for transformer

Abstract

The invention relates to a transformer cooling and fire-fighting dual-purpose device, and particularly relates to the technical field of power equipment, the transformer cooling and fire-fighting dual-purpose device comprises a protection box, one side of the inner wall of the protection box is fixedly connected with a transformer body, a heat dissipation auxiliary mechanism is arranged outside the protection box, and a fire-fighting early warning mechanism is arranged inside the protection box; according to the transformer, the heat dissipation auxiliary mechanism is arranged, in the aspect of heat dissipation, the heat dissipation auxiliary mechanism adopts cooperation of a compressed air bag, a gas conveying pipe, a one-way valve, a gas storage box and a gas injection head, heat dissipation fins can be continuously and effectively cleaned, and the efficient heat dissipation performance of the transformer body is kept; the regular purging and cleaning process of the heat dissipation fins ensures that the transformer body can stably dissipate heat even in high-frequency work, the heat dissipation effect is prevented from being affected by dust accumulation, the overall heat dissipation capacity of the transformer body is effectively improved, and the phenomenon that the temperature is too high due to unsmooth heat dissipation is prevented.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power equipment, in particular to a transformer cooling and fire-fighting dual-purpose device. BACKGROUND

[0002] The transformer cooling and fire-fighting dual-purpose device refers to a composite device that can provide daily operation cooling for power transformers and be used for fire-fighting in emergency situations such as fire, which has both cooling system and fire-fighting system functions.

[0003] In actual implementation process, there are still some problems: 1. Since the transformer generates a large amount of heat during long-term operation, if the heat is not dissipated in time or the heat dissipation system is not perfect, it may cause the temperature of the transformer to be too high, thereby affecting its operating efficiency and service life, and even causing failure or fire. The traditional transformer cooling method usually relies on natural cooling or oil cooling system. Although these methods can effectively reduce the temperature of the transformer, there are still certain limitations in the heat dissipation efficiency, especially when the ambient temperature is high or the transformer load is too heavy, the traditional cooling system often cannot meet the demand of efficient cooling. In addition, since the transformer is prone to accumulate dust or dirt during operation, the surface of the heat dissipation fin will lose its cooling capacity, further affecting the stability and safety of the equipment.

[0004] 2. With the continuous development of power equipment towards high efficiency, high frequency and high load, the safety and stability of the transformer are facing greater challenges. Fire is one of the most serious accidents in transformer equipment failure, especially when running for a long time or under heavy load, the high temperature inside the transformer can easily cause the oil temperature to rise, the insulation material to be damaged, etc., thereby causing a fire. However, the traditional transformer protection measures are usually based on temperature detection or overcurrent protection. Although these measures can prevent faults to some extent, they cannot effectively deal with sudden fire situations. With the increasing requirements of modern power systems on the stability and safety of transformer operation, the traditional cooling system and fire prevention methods are becoming increasingly imperfect. SUMMARY

[0005] The purpose of the present application is to provide a transformer cooling and fire-fighting dual-purpose device to solve the above problems in the prior art. The present application provides a transformer cooling and fire-fighting dual-purpose device to solve the problems of insufficient efficiency and dust accumulation in traditional cooling methods, which affect the stability of the transformer and the traditional protection measures are difficult to deal with fire, and cannot meet the demand of high load.

[0006] In order to achieve the above object, the present application provides the following technical scheme: a transformer cooling and fire-fighting dual-purpose device, comprising a protective box, a transformer body is fixedly connected to one side of the inner wall of the protective box, a heat dissipation auxiliary mechanism is arranged outside the protective box, a fire-fighting early warning mechanism is arranged inside the protective box, the heat dissipation auxiliary mechanism comprises a compressed gas bag, a gas conveying pipe, a one-way valve, a gas storage box and a gas injection head, one side wall of the compressed gas bag is fixedly connected with one end of the gas conveying pipe, the one-way valve is installed in the middle of the gas conveying pipe, the other end of the gas conveying pipe is fixedly connected with the top end of the gas storage box, the bottom end of the gas storage box is fixedly connected with the gas injection head, the fire-fighting early warning mechanism comprises a first screw rod, a moving support, an extension rod and a temperature control switch, the moving support is threadedly connected to the middle part of the first screw rod, one side of the moving support is fixedly connected with one end of the extension rod, and the top end of the extension rod is fixedly connected with the bottom end of the temperature control switch.

[0007] A heat dissipation fin is fixedly connected to the back of the protective box, two groups of limiting blocks are fixedly connected to the back of the protective box, a connecting rod is rotatably connected between each group of limiting blocks, and a second screw rod is fixedly connected to the middle part of each connecting rod.

[0008] A sliding support is threadedly connected to the middle part of each second screw rod, each sliding support is slidably connected with the back of the protective box, the inner side of the sliding support is fixedly connected with one end of the compressed gas bag, one end of one of the connecting rods is fixedly connected with a transmission roller, and one side of the transmission roller penetrates the protective box.

[0009] Transmission wheels are fixedly sleeved to the outer parts of the two connecting rods, and a transmission belt is sleeved between the two transmission wheels.

[0010] A limiting plate is fixedly connected to the back of the protective box, and the inner side of the limiting plate is fixedly connected with the other end of the compressed gas bag.

[0011] The gas storage box is fixedly connected to the back of the protective box, the gas injection head is arranged on the top of the heat dissipation fin, one end of the heat dissipation fin is fixedly connected with a heat dissipation connecting piece, and the heat dissipation connecting piece is connected with the transformer body.

[0012] A protective plate is clampedly connected to the top end of the protective box, a liquid cooling storage tank is fixedly connected to the middle part of the top end of the protective box, a transmission pipe is fixedly connected to the bottom end of the liquid cooling storage tank, an electronic valve is installed in the middle part of the transmission pipe, a jet pipe is fixedly connected to the bottom end of the transmission pipe, and one side wall of the heat dissipation connecting piece is fixedly connected with a first connecting pipe.

[0013] The bottom end of the liquid cooling storage tank is fixedly connected with a transmission pump, the water inlet end of the transmission pump is fixedly connected with the bottom end of the liquid cooling storage tank, the water outlet end of the transmission pump is fixedly connected with one end of the first connecting pipe, the other side wall of the heat dissipation connecting piece is fixedly connected with a second connecting pipe, and one end of the second connecting pipe is fixedly connected with the outside of the liquid cooling storage tank.

[0014] The inner wall of the protection box is fixedly connected with a motor, the output end of the motor is fixedly connected with a transmission wheel, the outer side of the transmission roller is in contact connection with the outer side of the output rod, and one end of the output rod is fixedly connected with one end of the first screw rod.

[0015] The other end of the first screw rod is rotationally connected to the inner wall of the protection box, the movable support is slidably connected to the inner wall of the protection box, and the temperature control switch is electrically connected with the electronic valve.

[0016] Compared with the prior art, the present application has the following advantages: 1.In the present application, the heat dissipation auxiliary mechanism is used to clean the heat dissipation fins continuously and effectively, maintain the high-efficiency heat dissipation performance of the transformer body, ensure that the transformer body can stably dissipate heat even when working at high frequency, avoid the influence of dust accumulation on heat dissipation effect, effectively improve the overall heat dissipation capacity of the transformer body, prevent the phenomenon of excessively high temperature caused by poor heat dissipation, prolong the service life of the transformer body, reduce the equipment maintenance frequency, reduce the operation cost, and optimize the working efficiency of the transformer body.

[0017] 2. In the application, through the setting of the fire warning mechanism, when the temperature is too high or fire hazards appear, the fire extinguishing mechanism can be started in time, thereby effectively preventing the transformer body from being damaged by fire. Through the cooperation of the temperature control switch, the electronic valve and the liquid cooling storage tank, the system can monitor the internal temperature of the transformer body in real time. When the temperature exceeds the set threshold, the temperature control switch responds quickly, activates the electronic valve, and ensures that the cooling liquid in the liquid cooling storage tank can be quickly sprayed to the transformer body and the surrounding area, extinguishing the fire source in time and preventing the spread of fire. In addition, the cooperation of the liquid cooling storage tank, the transmission pump and the connecting pipe system ensures that the cooling liquid can continue to circulate in the system, providing continuous cooling effect for the transformer body during high load operation. This fire warning mechanism greatly improves the safety of the transformer body, reduces equipment damage and economic losses caused by overheating or fire, and effectively avoids the limitation of relying only on external environmental cooling in the traditional cooling system, ensuring that the transformer body can be quickly protected when a fire occurs, and improving the reliability and safety of the transformer body during long-term operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 Structure diagram of the present application; Figure 2 Structure diagram of one side of the present application; Figure 3 Structure sectional view of part of the present application; Figure 4 Structure diagram of the present application Figure 3 Enlarged view of A in the present application; Figure 5 Structure exploded view of part of the protection box of the present application; Figure 6 Structure diagram of part of the heat dissipation fin of the present application; Figure 7 Structure diagram of the present application Figure 6 Enlarged view of B in the present application; Figure 8 Structure diagram of the bottom of the liquid cooling storage tank of the present application.

[0020] In the drawings, the components represented by each reference number are listed as follows: In the diagram: 1. Protective box; 2. Transformer body; 3. Protective plate; 4. Fire alarm mechanism; 401. Liquid-cooled storage tank; 402. Spray pipe; 403. First connecting pipe; 404. Transfer pump; 405. Heat dissipation connector; 406. Second connecting pipe; 407. Electronic valve; 408. Transfer pipe; 409. First lead screw; 410. Temperature control switch; 411. Motor; 412. Output rod; 413. Extension rod; 414. Moving support; 5. Heat dissipation auxiliary mechanism; 501. Transmission belt; 502. Limiting block; 503. Heat dissipation fins; 504. Limiting plate; 505. Compressed air bag; 506. One-way valve; 507. Gas delivery pipe; 508. Gas storage box; 509. Gas spray head; 510. Sliding support; 511. Connecting rod; 512. Second lead screw; 513. Transmission wheel; 514. Transmission roller. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0022] like Figures 1 to 8 As shown, a transformer cooling and fire-fighting dual-purpose device according to the first aspect embodiment of the present invention includes a protective box 1. A transformer body 2 is fixedly connected to one side of the inner wall of the protective box 1. A heat dissipation auxiliary mechanism 5 is provided on the outside of the protective box 1, and a fire alarm mechanism 4 is provided inside the protective box 1. The heat dissipation auxiliary mechanism 5 includes a compressed air bladder 505, a gas delivery pipe 507, a one-way valve 506, a gas storage box 508, and a gas injection head 509. One side wall of the compressed air bladder 505 is fixedly connected to one end of the gas delivery pipe 507, and the one-way valve 506 is installed... At the middle of the gas delivery pipe 507, the other end of the gas delivery pipe 507 is fixedly connected to the top of the gas storage box 508, and the bottom end of the gas storage box 508 is fixedly connected to the gas injection head 509. The fire alarm mechanism 4 includes a first lead screw 409, a movable support 414, an extension rod 413, and a temperature control switch 410. The movable support 414 is threadedly connected to the middle of the first lead screw 409. One side of the movable support 414 is fixedly connected to one end of the extension rod 413, and the top end of the extension rod 413 is fixedly connected to the bottom end of the temperature control switch 410.

[0023] Optionally, the back of the protection box 1 is fixedly connected with heat dissipation fins 503, and the back of the protection box 1 is fixedly connected with two groups of limiting blocks 502. Each group of limiting blocks 502 is rotatably connected with a connecting rod 511, and the middle part of each connecting rod 511 is fixedly connected with a second lead screw 512. In actual implementation, the middle part of each second lead screw 512 is threadedly connected with a sliding support 510, which can realize the sliding of the sliding support 510 on the back of the protection box 1. The sliding support 510 serves to support and guide the movement of the compression air bag 505, ensuring that the air bag can smoothly run in a specific track. When the air bag is driven, the gas can be delivered to the gas storage box 508 to ensure the gas flow supply of the system. The cooperation of the transmission roller 514 and the connecting rod 511 makes the movement of the whole structure more stable and effectively transmits the driving force, ensuring that the gas flow path is not disturbed, improving the gas flow efficiency, and thus enhancing the heat dissipation and cooling effect.

[0024] Optionally, the middle part of each second lead screw 512 is threadedly connected with a sliding support 510, and each sliding support 510 is slidably connected with the back of the protection box 1. The inner side of the sliding support 510 is fixedly connected with one end of the compression air bag 505. One end of one of the connecting rods 511 is fixedly connected with a transmission roller 514, and one side of the transmission roller 514 penetrates through the protection box 1. In actual implementation, the design of the transmission wheels 513 and the transmission belts 501 on the outside of the two connecting rods 511 makes the movement of the system more uniform and stable. The installation of the transmission belts 501 ensures the synchronous movement between the connecting rods 511, avoiding the deviation caused by uneven movement of a single connecting rod 511. The cooperation of the transmission belts 501 and the transmission wheels 513 can improve the operating efficiency of the system, reduce the burden on other components, thereby reducing energy consumption and prolonging the service life of the device. At the same time, this design reduces mechanical wear and helps the system to run stably for a long time, ensuring that the cooling and fire-fighting functions of the transformer body 2 can work reliably and continuously.

[0025] Optionally, the outside of each of the two connecting rods 511 is fixedly sleeved with a transmission wheel 513, and the transmission belts 501 are sleeved between the two transmission wheels 513. In actual implementation, the back of the protection box 1 is fixedly connected with heat dissipation fins 503 to improve the heat dissipation efficiency of the transformer body 2. The heat dissipation fins 503 can effectively accelerate the release of heat by increasing the heat dissipation area, preventing the transformer body 2 from overheating. After the heat generated by the transformer body 2 is absorbed by the heat dissipation fins 503, air flow or other cooling media will accelerate the dissipation of heat through the heat dissipation fins 503, thereby reducing the temperature of the transformer body 2. The design of each group of limiting blocks 502 and the connecting rods 511 makes the installation of the internal components of the protection box 1 more firm, avoiding loosening or vibration during use, thereby ensuring long-term stable operation of the system.

[0026] Optionally, the back of the protection box 1 is fixedly connected with a limiting plate 504, and the inner side of the limiting plate 504 is fixedly connected with the other end of the compressed air bag 505. In actual implementation, the limiting plate 504 on the back of the protection box 1 ensures the fixed position of the compressed air bag 505, preventing the air bag from changing position during use. The connection between the limiting plate 504 and the compressed air bag 505 ensures the stability of the air bag during compression and release, avoiding external force from interfering with the stable output of the air flow. The limiting plate 504 on the back of the protection box 1 cooperates with the gas storage box 508 and the gas injection head 509, making the direction of the air flow more accurate, ensuring that the gas can be effectively injected onto the heat dissipation fins 503, thereby improving the heat dissipation efficiency and preventing dust accumulation from affecting heat dissipation.

[0027] Optionally, the gas storage box 508 is fixedly connected to the back of the protection box 1, the gas injection head 509 is placed on the top of the heat dissipation fins 503, one end of the heat dissipation fins 503 is fixedly connected with the heat dissipation connecting piece 405, and the heat dissipation connecting piece 405 is connected with the transformer body 2.

[0028] Optionally, the top end of the protection box 1 is clampedly connected with a protection plate 3, the top end of the protection box 1 is fixedly connected with a liquid cooling storage tank 401 in the middle, the bottom end of the liquid cooling storage tank 401 is fixedly connected with a transmission pipe 408, the middle of the transmission pipe 408 is installed with an electronic valve 407, the bottom end of the transmission pipe 408 is fixedly connected with a spray pipe 402, and one side wall of the heat dissipation connecting piece 405 is fixedly connected with a first connecting pipe 403. In actual implementation, the liquid cooling storage tank 401 cooperates with the protection plate 3 on the top end of the protection box 1 to form a complete cooling system. The transmission pipe 408 connected to the bottom end of the liquid cooling storage tank 401 controls the flow of the cooling liquid through the electronic valve 407, realizing precise liquid cooling circulation. When the temperature control switch 410 senses that the temperature of the transformer body 2 is too high, the electronic valve 407 is started, and the cooling liquid in the liquid cooling storage tank 401 is sent to the spray pipe 402 and sprayed to the transformer body 2 and the surrounding area, timely reducing the temperature and playing a role in extinguishing fire. Through this design, the transformer body 2 can be quickly and effectively cooled and protected from fire when the temperature rises, preventing serious damage to the equipment caused by high temperature or fire.

[0029] Optionally, the bottom end of the liquid cooling storage tank 401 is fixedly connected with a transmission pump 404, the water inlet end of the transmission pump 404 is fixedly connected with the bottom end of the liquid cooling storage tank 401, the water outlet end of the transmission pump 404 is fixedly connected with one end of the first connecting pipe 403, the other side wall of the heat dissipation connecting piece 405 is fixedly connected with a second connecting pipe 406, one end of the second connecting pipe 406 is fixedly connected with the outer side of the liquid cooling storage tank 401. In the actual implementation process, the transmission pump 404, the first connecting pipe 403 and the second connecting pipe 406 of the liquid cooling storage tank 401 cooperate with each other to form an efficient cooling liquid circulating system. The transmission pump 404 controls the flow direction and flow rate of the cooling liquid to ensure that the cooling liquid can circulate uniformly in the entire system. When the cooling liquid flows through the connecting pipe into the transformer body 2, it can effectively take away the heat generated inside and ensure that the temperature remains within a safe range. The design of the second connecting pipe 406 allows the cooling liquid to flow back to the liquid cooling storage tank 401 and be recycled, avoiding waste of the cooling liquid and improving the overall cooling efficiency.

[0030] Optionally, the inner wall of the protection box 1 is fixedly connected with a motor 411 on one side, the output end of the motor 411 is fixedly connected with a transmission wheel 513, the outer side of the transmission roller 514 is in contact with the outer side of the output rod 412, and one end of the output rod 412 is fixedly connected with one end of the first lead screw 409. In the actual implementation process, the design of the motor 411 and the transmission wheel 513 fixedly connected to the inner wall of the protection box 1 ensures the stability and reliability of the transmission system. The motor 411 serves as a driving source and transmits power through the transmission wheel 513 to drive the entire system to move periodically. The output rod 412 transmits power from the motor 411 to the first lead screw 409 and drives the moving support 414 to slide through the rotation of the lead screw, thereby realizing the periodic compression of the air bag 505. Through this design, the motor 411 can continuously and stably drive the operation of the device, ensuring continuous air supply and improving the working efficiency of the system.

[0031] Optionally, the other end of the first lead screw 409 is rotatably connected to the inner wall of the protection box 1, the moving support 414 is slidably connected to the inner wall of the protection box 1, and the temperature control switch 410 is electrically connected with the electronic valve 407. In the actual implementation process, the cooperation of the first lead screw 409 and the moving support 414 enables the temperature control switch 410 to accurately detect the temperature change inside the protection box 1. The moving support 414 moves with the rotation of the first lead screw 409, thereby driving the temperature control switch 410 to adjust accurately. When the temperature exceeds the preset value, the temperature control switch 410 triggers and activates the electronic valve 407 to start the injection of the cooling liquid in the liquid cooling storage tank 401. Through this intelligent temperature control system, real-time temperature monitoring and emergency fire extinguishing of the transformer body 2 can be realized, further improving the safety and stability of the operation of the transformer body 2.

[0032] Working principle: the transformer cooling and fire-fighting dual-purpose device of the application ensures the temperature stability of the transformer body 2 under normal working condition and can quickly start the fire extinguishing function under abnormal condition through the cooperation of the heat dissipation auxiliary mechanism 5 and the fire-fighting early warning mechanism 4, the core components of the device include the protection box 1, the transformer body 2, the heat dissipation auxiliary mechanism 5 and the fire-fighting early warning mechanism 4, the protection box 1 serves as the shell of the whole device and plays a role in protecting the transformer body 2, the fire-fighting early warning mechanism 4 and the heat dissipation auxiliary mechanism 5 are arranged in the protection box 1 to ensure the safe operation of the transformer body 2, in terms of the heat dissipation auxiliary mechanism 5, the compressed air bag 505, the gas conveying pipe 507, the one-way valve 506, the gas storage box 508 and the gas injection head 509 are arranged to work cooperatively with the heat dissipation fin 503 to form an effective heat dissipation system, the compressed air bag 505 is connected with the gas conveying pipe 507 and is periodically squeezed by the driving action of the transmission belt 501, when the compressed air bag 505 is compressed, the gas is guided to the gas storage box 508 through the gas conveying pipe 507, the gas in the gas storage box 508 is stored and transmitted through the one-way valve 506 when the compressed air bag 505 is released, the one-way valve 506 ensures the unidirectionality of the gas flow, so that the gas flow direction is stable, and the gas injection head 509 is responsible for spraying the stored gas to directly blow the surface of the heat dissipation fin 503, the heat dissipation fin 503 is fixed on the back of the protection box 1 and plays a role in heat exchange, and the blowing action of the gas flow ensures that the surface of the heat dissipation fin 503 is not hindered by dust, so that it maintains high-efficiency heat dissipation performance, this process maintains the stable temperature of the transformer body 2 through the circulation of the gas conveying pipe 507, effectively improves the overall heat dissipation performance of the transformer body 2, avoids the situation that the heat dissipation is not smooth due to dust accumulation, and ensures the temperature stability of the transformer body 2 in long-time operation, the fire-fighting early warning mechanism 4 plays a role in automatic fire extinguishing when the temperature is too high through the arrangement of the temperature control switch 410, the electronic valve 407 and the liquid cooling storage tank 401, the liquid cooling storage tank 401 is connected with the first connecting pipe 403 and the second connecting pipe 406 through the transmission pump 404, the cooling liquid in the liquid cooling storage tank 401 circulates through the transmission pipe 408 during normal working, the motor 411 drives the output rod 412 to drive the moving support 414 to slide through the first lead screw 409, and then controls the temperature control switch 410 on the extension rod 413, when the internal temperature of the transformer body 2 exceeds the set threshold value, the temperature control switch 410 senses the high-temperature signal and starts through the electronic valve 407, the cooling liquid in the liquid cooling storage tank 401 is quickly sprayed out through the spraying pipe 402 and sprayed to the transformer body 2 and the surrounding area, thereby realizing the fire extinguishing function, the spraying function of the spraying pipe 402 can quickly reduce the temperature of the transformer body 2 to avoid the damage of the equipment due to overheating, the heat dissipation and fire extinguishing functions in the device are perfectly combined through the cooperation of the heat dissipation auxiliary mechanism 5 and the fire-fighting early warning mechanism 4,The heat dissipation auxiliary mechanism 5 interacts through the transmission wheel 513, the connecting rod 511, the sliding support 510, the second screw rod 512 and other components to continuously clean the heat dissipation fins 503 and maintain the high heat dissipation performance of the transformer body 2 in normal operation, and in the case of excessively high temperature, the fire warning mechanism 4 responds quickly to spray the cooling liquid through the spray pipe 402 to reduce the temperature and prevent the occurrence of fire.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A transformer cooling and fire-fighting dual-purpose device comprising a protective box (1), characterized in that: The inner wall side of the protection box (1) is fixedly connected with a transformer body (2), the outside of the protection box (1) is provided with a heat dissipation auxiliary mechanism (5), the inside of the protection box (1) is provided with a fire-fighting early warning mechanism (4), the heat dissipation auxiliary mechanism (5) comprises a compressed air bag (505), a gas conveying pipe (507), a one-way valve (506), a gas storage box (508) and a gas injection head (509), one side wall of the compressed air bag (505) is fixedly connected with one end of the gas conveying pipe (507), the one-way valve (506) is installed in the middle of the gas conveying pipe (507), the other end of the gas conveying pipe (507) is fixedly connected with the top end of the gas storage box (508), the bottom end of the gas storage box (508) is fixedly connected with the gas injection head (509), the fire-fighting early warning mechanism (4) comprises a first lead screw (409), a moving support (414), an extension rod (413) and a temperature control switch (410), the middle part of the first lead screw (409) is threadedly connected with the moving support (414), one side of the moving support (414) is fixedly connected with one end of the extension rod (413), and the top end of the extension rod (413) is fixedly connected with the bottom end of the temperature control switch (410).

2. The transformer cooling and fire-fighting dual-purpose device according to claim 1, characterized in that: The back of the protection box (1) is fixedly connected with heat dissipation fins (503), the back of the protection box (1) is fixedly connected with two groups of limiting blocks (502), each group of limiting blocks (502) is rotatably connected with a connecting rod (511), and the middle part of each connecting rod (511) is fixedly connected with a second lead screw (512).

3. The transformer cooling and fire-fighting dual-purpose device according to claim 2, characterized in that: The middle part of each second lead screw (512) is threadedly connected with a sliding support (510), each sliding support (510) is slidably connected with the back of the protection box (1), and the inner side of the sliding support (510) is fixedly connected with one end of the compressed air bag (505). One end of one of the connecting rods (511) is fixedly connected with a transmission roller (514), and one side of the transmission roller (514) penetrates the protection box (1).

4. The transformer cooling and fire-fighting dual-purpose device according to claim 3, characterized in that: The outer sides of the two connecting rods (511) are fixedly sleeved with transmission wheels (513), and the transmission wheels (513) are sleeved with a transmission belt (501).

5. A transformer cooling and fire-fighting dual-purpose device according to claim 4, characterized in that: The back of the protection box (1) is fixedly connected with a limiting plate (504), and the inner side of the limiting plate (504) is fixedly connected with the other end of the compressed air bag (505).

6. A transformer cooling and fire-fighting dual-purpose device according to claim 5, characterized in that: The gas storage box (508) is fixedly connected to the back of the protection box (1), the gas injection head (509) is arranged on the top of the heat dissipation fins (503), one end of the heat dissipation fins (503) is fixedly connected with a heat dissipation connecting piece (405), and the heat dissipation connecting piece (405) is connected with the transformer body (2).

7. A transformer cooling and fire-fighting dual-purpose device according to claim 6, characterized in that: The top end of the protection box (1) is hingedly connected with a protection plate (3), the top end of the protection box (1) is fixedly connected with a liquid cooling storage box (401), the bottom end of the liquid cooling storage box (401) is fixedly connected with a transmission pipe (408), the middle part of the transmission pipe (408) is mounted with an electronic valve (407), the bottom end of the transmission pipe (408) is fixedly connected with a spray pipe (402), and one side wall of the heat dissipation connecting piece (405) is fixedly connected with a first connecting pipe (403).

8. The transformer cooling and fire-fighting dual-purpose device according to claim 7, characterized in that: The bottom end of the liquid cooling storage box (401) is fixedly connected with a transmission pump (404), the water inlet end of the transmission pump (404) is fixedly connected with the bottom end of the liquid cooling storage box (401), the water outlet end of the transmission pump (404) is fixedly connected with one end of the first connecting pipe (403), the other side wall of the heat dissipation connecting piece (405) is fixedly connected with a second connecting pipe (406), and one end of the second connecting pipe (406) is fixedly connected with the outside of the liquid cooling storage box (401).

9. The transformer cooling and fire-fighting dual-purpose device according to claim 8, characterized in that: One side of the inner wall of the protection box (1) is fixedly connected with a motor (411), the output end of the motor (411) is fixedly connected with a transmission wheel (513), the outside of the transmission roller (514) is in contact connection with the outside of the output rod (412), and one end of the output rod (412) is fixedly connected with one end of the first lead screw (409).

10. The transformer cooling and fire-fighting dual-purpose device according to claim 9, characterized in that: The other end of the first lead screw (409) is rotatably connected to the inner wall of the protection box (1), the moving support (414) is slidably connected to the inner wall of the protection box (1), and the temperature control switch (410) is electrically connected with the electronic valve (407).

Images