Fire alarm and fire extinguishing device for electrical equipment

Abstract

The invention discloses an electrical equipment fire alarm and fire extinguishing device, and relates to the technical field of fire alarm and fire extinguishment, the electrical equipment fire alarm and fire extinguishing device comprises a fire extinguishing mechanism, one side of the fire extinguishing mechanism is provided with a fire extinguishing adjusting mechanism, the fire extinguishing mechanism comprises a material box, and the interior of the material box is symmetrically provided with a potassium nitrate bin and a strontium nitrate bin. The potassium nitrate bin and the strontium nitrate bin are arranged in the material box, potassium nitrate and strontium nitrate can be conveniently and separately loaded, the rotating motor is used for driving the transmission shaft to rotate, then the transmission shaft is transmitted to the spiral feeder to achieve the quantitative spiral conveying and discharging function, the precise material proportioning function is achieved, and the practicability is high. And a large amount of aerosol is generated after the reaction, then the aerosol is discharged through the discharging opening in the side face of the reaction chamber, the fire extinguishing function is provided, the efficient fire extinguishing effect is achieved, it can be guaranteed that the raw materials are not prone to being wasted, and the utilization rate is increased.

Description

Technical Field

[0001] The invention relates to the technical field of fire alarm and fire extinguishing, in particular to a fire alarm and fire extinguishing device for electrical equipment. Background Art

[0002] At present, the internal power facilities of enterprises are widely distributed and mostly operate under heavy load. The patrol frequency of electrical compartments, ring network cabinets, box transformers, cable trenches and other places is low. It is not easy to measure temperature and find fire hazards under power. When used in the internal power equipment of enterprises, it can not only realize automatic detection of fire risks and extinguish fires, but also realize fire alarm, ensure the normal production of enterprises, reduce production costs and increase profits. It is very suitable for hazardous chemical production enterprises such as petrochemicals, greatly reducing the risk of open flames and preventing greater accidents caused by electrical fires.

[0003] In the prior art, such as the "An intelligent hot aerosol automatic fire extinguishing device" with patent application number: 202021315176.3, it solves the problem that the current fire extinguisher produces a conductive and corrosive electrolyte liquid film during the fire extinguishing process, thereby causing damage to the equipment, and it is difficult to move the fire extinguisher, missing the opportunity for rescue, thereby reducing the working efficiency of the fire extinguisher. It includes a fire extinguishing box, and the lower end of the fire extinguishing box is connected to a moving component; in the utility model, when the fire extinguishing box needs to be moved, the rotating rod is rotated to drive the first bevel gear to rotate, thereby driving the sliding rod to move, which is convenient for moving the fire extinguishing box, thereby improving the working efficiency of the fire extinguisher; the electric telescopic rod drives the sliding plate to move, thereby driving the blade to move, and the strontium nitrate and potassium nitrate are cut by the blade, so that they fuse and react, and they themselves undergo oxidation-reduction reactions to form a large amount of agglomerated fire extinguishing aerosols, thereby increasing the service life of the fire extinguisher.

[0004] Although the existing fire extinguishing device provides an effective fire extinguishing function, the rapid mixing of strontium nitrate and potassium nitrate will cause the two to react rapidly, and then the reaction speed is too fast, resulting in insufficient reaction and even waste of materials. In view of the above problems, an electrical equipment fire alarm and fire extinguishing device is proposed. Summary of the invention

[0005] The object of the present invention is to provide a fire alarm and fire extinguishing device for electrical equipment to solve the problem that the rapid mixing of strontium nitrate and potassium nitrate during the prior art operation proposed in the above-mentioned background technology will cause the two to react rapidly, and then the reaction speed is too fast, resulting in insufficient reaction and even material waste.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: an electrical equipment fire alarm and fire extinguishing device, comprising a fire extinguishing mechanism, a fire extinguishing adjustment mechanism is arranged on one side of the fire extinguishing mechanism, the fire extinguishing mechanism comprises a material box, a potassium nitrate silo and a strontium nitrate silo are symmetrically arranged inside the material box, a partition is arranged between the potassium nitrate silo and the strontium nitrate silo, a potassium nitrate discharge port is arranged at the bottom of the potassium nitrate silo, a strontium nitrate discharge port is arranged at the bottom of the strontium nitrate silo, a screw feeder is arranged inside the potassium nitrate discharge port and the strontium nitrate discharge port, a transmission shaft is fixedly connected inside the screw feeder, a rotating motor is installed on the top of the transmission shaft, and the rotating motors are all installed on the top of the material box. A reaction chamber is fixedly installed at the bottom of the material box, and the reaction chamber is arranged outside the potassium nitrate discharge port and the strontium nitrate discharge port. By arranging a potassium nitrate silo and a strontium nitrate silo inside the material box, it is convenient to load potassium nitrate and strontium nitrate respectively, and a rotating motor is used to drive the transmission shaft to rotate, and then the transmission is transmitted to the screw feeder to realize the function of quantitative screw conveying and unloading, which is conducive to realizing the function of accurate material ratio, and then conveniently transporting the material to the interior of the reaction chamber for mixing reaction in a quantitative manner, and a large amount of aerosol is generated after the reaction, and then discharged through the discharge port on the side of the reaction chamber and providing a fire extinguishing function, which is conducive to achieving a high-efficiency fire extinguishing effect, and can ensure that the raw materials will not be easily wasted, thereby improving the utilization rate; The fire extinguishing adjustment mechanism includes a fire extinguishing spray pipe, a plurality of fire extinguishing nozzles are evenly distributed on the outside of the fire extinguishing spray pipe, one end of the fire extinguishing spray pipe is connected to a delivery pipe, and one end of the delivery pipe is connected to a valve interface. The fire extinguishing spray pipe cooperates with the delivery pipe to connect the upper valve interface, thereby facilitating the output of the fire extinguishing aerosol, which is finally evenly sprayed out through the fire extinguishing nozzle, thereby facilitating fire extinguishing treatment at the fire location after spraying, effectively improving the efficiency of fire extinguishing and ensuring the effect of fire extinguishing.

[0007] Preferably, a connecting rod is fixedly installed on the inner side of the fire extinguishing spray pipe, a connecting block is provided in the middle of the connecting rod, a lifting screw is threadedly connected to the inner side of the connecting block, a lifting motor is provided at the bottom of the lifting screw, and the lifting motor is fixedly installed on one side of the reaction chamber. The guide rod is driven to rotate by the lifting motor, thereby driving the connecting block to achieve lifting adjustment, which is conducive to driving the connecting rod and the fire extinguishing spray pipe to achieve rapid height adjustment, and then realizing the change of the spray range according to the height adjustment, which is conducive to increasing the fire extinguishing range and further improving the fire extinguishing effect.

[0008] Preferably, a potassium nitrate feed port is provided at one end of the material box, and a strontium nitrate feed port is provided at the other end of the material box. The potassium nitrate feed port and the strontium nitrate feed port facilitate the addition of potassium nitrate and strontium nitrate into the interior of the material box respectively, which is beneficial to provide raw materials for mixing.

[0009] Preferably, a first cover is movably mounted on one end of the material box, and a second cover is movably mounted on the other end of the material box. The first cover and the second cover facilitate opening the material box when adding raw materials, and the material box can be closed after the raw materials are added.

[0010] Preferably, the first cover plate and the second cover plate are both provided with rotating shafts, and the rotating shafts are both installed at both ends inside the material box. The rotating shafts can provide rotation adjustment for the first cover plate and the second cover plate, thereby improving the convenience of operation.

[0011] Preferably, bogies are movably installed at the four corners of the bottom of the reaction chamber, and moving wheels are connected to the inner side of the bogies. The bogies cooperate with the moving wheels to provide movement and steering functions, thereby improving the convenience of operation and facilitating the expansion of the range of movement.

[0012] Preferably, guide rods are symmetrically fixedly installed on both sides of the top of the lifting motor, and the guide rods are slidably connected to the connecting block. The guide rods can provide guidance during the lifting and lowering of the connecting block, thereby improving the stability during lifting and lowering and ensuring smooth fire extinguishing operations.

[0013] Preferably, it includes a fire alarm mechanism, which includes an alarm, an alarm light is arranged on the top of the alarm, a mounting frame is installed on the outside of the alarm, a temperature sensor is arranged on the outer wall of the mounting frame, a plurality of heat collecting plates are evenly distributed on the outer wall of the temperature sensor, the temperature sensor is installed by cooperating with the alarm and the mounting frame, and heat collecting plates are distributed on the temperature sensor at the same time, the heat collecting plates can be utilized to quickly absorb heat, so as to conveniently provide high-efficiency thermal sensing, and the temperature sensor is used for thermal sensing to quickly find the heat source, and when the heat reaches a certain level, it can cooperate with the direction of the controller equipment to perform the fire extinguishing operation, and the alarm indication can be provided by the alarm light, thereby improving the efficiency of the fire extinguishing response.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, a potassium nitrate silo and a strontium nitrate silo are provided inside the material box, so that potassium nitrate and strontium nitrate are conveniently loaded respectively, and a rotating motor is used to drive the transmission shaft to rotate, and then the transmission is transmitted to the screw feeder to realize the function of quantitative spiral conveying and feeding, which is conducive to realizing the function of accurate material ratio, and then conveniently conveying the materials to the interior of the reaction chamber for mixing reaction in a quantitative manner, and a large amount of aerosol is generated after the reaction, and then discharged through the discharge port on the side of the reaction chamber and provides the function of fire extinguishing, which is conducive to realizing a high-efficiency fire extinguishing effect, and can ensure that the raw materials will not be easily wasted, thereby improving the utilization rate.

[0015] 2. In the present invention, the fire extinguishing spray pipe cooperates with the conveying pipe to connect the valve interface, thereby facilitating the output of the fire extinguishing aerosol, and finally it is evenly sprayed out through the fire extinguishing nozzle, which is beneficial to extinguish the fire at the location of the fire after spraying, effectively improving the efficiency of fire extinguishing and ensuring the effect of fire extinguishing. The guide rod is driven to rotate by the lifting motor, thereby driving the connecting block to realize lifting and adjusting, which is beneficial to drive the connecting rod and the fire extinguishing spray pipe to realize rapid height adjustment, and then realize the change of the spray range according to the height adjustment, which is beneficial to increase the fire extinguishing range and further improve the effect of fire extinguishing.

[0016] 3. In the present invention, the temperature sensor is installed by cooperating with the installation frame through the alarm. At the same time, heat collecting plates are distributed on the temperature sensor, which can absorb heat quickly and provide high-efficiency thermal sensing. The temperature sensor performs thermal sensing to quickly find the heat source. When the heat reaches a certain level, it can cooperate with the direction of the controller equipment to perform fire extinguishing operations. The alarm light can provide an alarm indication, thereby improving the efficiency of the fire extinguishing response. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a fire alarm and fire extinguishing device for electrical equipment according to the present invention; Figure 2 It is a structural schematic diagram of the fire alarm and fire extinguishing device for electrical equipment of the present invention from another angle; Figure 3 It is a schematic diagram of the internal cross-sectional structure of the fire alarm and fire extinguishing device for electrical equipment of the present invention; Figure 4 For the present invention Figure 3 A is an enlarged structural diagram; Figure 5 For the present invention Figure 3 The enlarged structural diagram at B in FIG.

[0018] In the figure: 1. Fire extinguishing mechanism; 101. Material box; 102. Potassium nitrate feed port; 103. First cover plate; 104. Strontium nitrate feed port; 105. Second cover plate; 106. Potassium nitrate silo; 107. Strontium nitrate silo; 108. Rotating motor; 109. Transmission shaft; 110. Screw feeder; 111. Potassium nitrate discharge port; 112. Strontium nitrate discharge port; 113. Reaction chamber; 114. Bogie; 115. Mobile Wheel; 116, rotating shaft; 2, fire extinguishing adjustment mechanism; 201, fire extinguishing spray pipe; 202, fire extinguishing nozzle; 203, delivery pipe; 204, valve interface; 205, connecting rod; 206, connecting block; 207, lifting screw rod; 208, lifting motor; 209, guide rod; 3, fire alarm mechanism; 301, alarm; 302, alarm light; 303, installation frame; 304, temperature sensor; 305, collector. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example 1: Reference Figure 1-Figure 5 As shown: an electrical equipment fire alarm and fire extinguishing device, comprising a fire extinguishing mechanism 1, a fire extinguishing regulating mechanism 2 is arranged on one side of the fire extinguishing mechanism 1, the fire extinguishing mechanism 1 comprises a material box 101, a potassium nitrate silo 106 and a strontium nitrate silo 107 are symmetrically arranged inside the material box 101, a partition is arranged between the potassium nitrate silo 106 and the strontium nitrate silo 107, a potassium nitrate discharge port 111 is arranged at the bottom of the potassium nitrate silo 106, a strontium nitrate discharge port 112 is arranged at the bottom of the strontium nitrate silo 107, a screw feeder 110 is arranged inside the potassium nitrate discharge port 111 and the strontium nitrate discharge port 112, a transmission shaft 109 is fixedly connected inside the screw feeder 110, a rotating motor 108 is installed on the top of the transmission shaft 109, and the rotating motors 108 are all installed on the top of the material box 101, the material box 1 A reaction chamber 113 is fixedly installed at the bottom of 01, and the reaction chamber 113 is arranged outside the potassium nitrate discharge port 111 and the strontium nitrate discharge port 112. By arranging a potassium nitrate silo 106 and a strontium nitrate silo 107 inside the material box 101, it is convenient to load potassium nitrate and strontium nitrate respectively, and a rotating motor 108 is used to drive the transmission shaft 109 to rotate, and then the transmission is transmitted to the screw feeder 110 to realize the function of quantitative spiral conveying and unloading, which is conducive to realizing the function of accurate material ratio, and then conveniently conveying the material to the interior of the reaction chamber 113 for mixing reaction in a quantitative manner. A large amount of aerosol is generated after the reaction, and then discharged through the discharge port on the side of the reaction chamber 113 and providing a fire extinguishing function, which is conducive to achieving a high-efficiency fire extinguishing effect, and can ensure that the raw materials will not be easily wasted, thereby improving the utilization rate; The fire extinguishing adjustment mechanism 2 includes a fire extinguishing spray pipe 201, and a plurality of fire extinguishing nozzles 202 are evenly distributed on the outside of the fire extinguishing spray pipe 201. One end of the fire extinguishing spray pipe 201 is connected to a delivery pipe 203, and one end of the delivery pipe 203 is connected to a valve interface 204. The fire extinguishing spray pipe 201 cooperates with the delivery pipe 203 to connect to the valve interface 204, thereby facilitating the output of the fire extinguishing aerosol, which is finally evenly sprayed out through the fire extinguishing nozzle 202, thereby facilitating fire extinguishing treatment at the fire location after spraying, effectively improving the efficiency of fire extinguishing and ensuring the effect of fire extinguishing.

[0021] like Figure 1 and Figure 4 As shown, a connecting rod 205 is fixedly installed on the inner side of the fire extinguishing spray pipe 201, a connecting block 206 is arranged in the middle of the connecting rod 205, a lifting screw 207 is threadedly connected to the inner side of the connecting block 206, a lifting motor 208 is arranged at the bottom of the lifting screw 207, and the lifting motor 208 is fixedly installed on one side of the reaction chamber 113. The guide rod 209 is driven to rotate by the lifting motor 208, thereby driving the connecting block 206 to achieve lifting adjustment, which is beneficial to drive the connecting rod 205 and the fire extinguishing spray pipe 201 to achieve rapid height adjustment, and then realize the change of the spraying range according to the height adjustment, which is beneficial to increase the fire extinguishing range and further enhance the fire extinguishing effect.

[0022] like Figure 1 and Figure 2 As shown, a potassium nitrate feed port 102 is provided at one end of the material box 101, and a strontium nitrate feed port 104 is provided at the other end of the material box 101. The potassium nitrate feed port 102 and the strontium nitrate feed port 104 facilitate the addition of potassium nitrate and strontium nitrate into the interior of the material box 101 respectively, which is beneficial to provide raw materials for mixing.

[0023] like Figure 1-Figure 3 As shown, a first cover plate 103 is movably mounted on one end of the material box 101, and a second cover plate 105 is movably mounted on the other end of the material box 101. The first cover plate 103 and the second cover plate 105 facilitate opening the material box when adding raw materials, and can be closed after the raw materials are added.

[0024] like Figure 5 As shown, the first cover plate 103 and the second cover plate 105 are both provided with a rotating shaft 116, and the rotating shaft 116 is installed at both ends inside the material box 101. The rotating shaft 116 can provide rotation adjustment for the first cover plate 103 and the second cover plate 105, thereby improving the convenience of operation.

[0025] like Figure 2 As shown, bogies 114 are movably installed at the four corners of the bottom of the reaction chamber 113, and moving wheels 115 are connected to the inner side of the bogies 114. The bogies 114 and the moving wheels 115 can provide movement and steering functions, thereby improving the convenience of operation and facilitating the expansion of the range of movement.

[0026] like Figure 1 As shown, guide rods 209 are symmetrically fixedly installed on both sides of the top of the lifting motor 208. The guide rods 209 are slidably connected to the connecting block 206. The guide rods 209 can provide guidance during the lifting and lowering of the connecting block 206, thereby improving the stability during lifting and lowering and ensuring a smooth fire extinguishing operation.

[0027] like Figure 1-Figure 3As shown, the fire alarm mechanism 3 includes an alarm 301. An alarm light 302 is arranged on the top of the alarm 301. A mounting frame 303 is installed on the outside of the alarm 301. A temperature sensor 304 is arranged on the outer wall of the mounting frame 303. A plurality of heat collecting plates 305 are evenly distributed on the outer wall of the temperature sensor 304. The temperature sensor 304 is installed by the alarm 301 in conjunction with the mounting frame 303. Meanwhile, the heat collecting plates 305 are distributed on the temperature sensor 304. The heat collecting plates 305 can be used to quickly absorb heat, so as to conveniently provide high-efficiency thermal sensing. The temperature sensor 304 performs thermal sensing, and then quickly finds the heat source. When the heat reaches a certain level, the direction of the controller device can be coordinated to perform the fire extinguishing operation. The alarm light 302 can provide an alarm indication, thereby improving the efficiency of the fire extinguishing response.

[0028] In the present invention, when the fire alarm and fire extinguishing device for electrical equipment is used, firstly, a potassium nitrate silo 106 and a strontium nitrate silo 107 are arranged inside the material box 101, and potassium nitrate feed port 102 and strontium nitrate feed port 104 are used to facilitate adding potassium nitrate and strontium nitrate into the material box 101 respectively, which is beneficial to provide raw materials for mixing, and a rotating motor 108 is used to drive a transmission shaft 109 to rotate, and then the transmission is transmitted to a screw feeder 110 to realize the function of quantitative screw conveying and unloading, which is beneficial to realize the function of accurate material ratio, and then facilitates the quantitative feeding of materials. The liquid is sent to the reaction chamber 113 for mixed reaction. A large amount of aerosol is generated after the reaction, and then discharged through the discharge port on the side of the reaction chamber 113 to provide a fire extinguishing function, which is conducive to achieving a high-efficiency fire extinguishing effect, and can ensure that the raw materials will not be easily wasted, thereby improving the utilization rate. The bogie 114 cooperates with the moving wheel 115 to provide the functions of movement and steering, thereby improving the convenience of operation and facilitating the increase of the range of movement. The alarm 301 cooperates with the installation frame 303 to install the temperature sensor 304, and the temperature sensor 304 is distributed with a collection The heat sheet 305 can use the heat collecting sheet 305 to quickly absorb heat, conveniently provide high-efficiency thermal sensing, and perform thermal sensing through the temperature sensor 304 to quickly find the heat source. When the heat reaches a certain level, it can cooperate with the controller device direction to perform fire extinguishing operations. The alarm light 302 can provide an alarm indication, thereby improving the efficiency of the fire extinguishing reaction. The fire extinguishing spray pipe 201 cooperates with the delivery pipe 203 to connect the upper valve interface 204, thereby facilitating the output of the fire extinguishing aerosol, and finally spraying it evenly through the fire extinguishing nozzle 202, which is beneficial to the fire after spraying. The fire extinguishing treatment is carried out in the position, which effectively improves the efficiency of fire extinguishing and ensures the effect of fire extinguishing. The guide rod 209 is driven to rotate by the lifting motor 208, thereby driving the connecting block 206 to realize lifting and adjustment, which is beneficial to drive the connecting rod 205 and the fire extinguishing spray pipe 201 to realize rapid height adjustment, and then realizes the change of the spraying range according to the height adjustment, which is beneficial to increase the fire extinguishing range and further improve the effect of fire extinguishing. The guide rod 209 can provide a guiding role in the process of lifting and lowering the connecting block 206, thereby improving the stability during lifting and lowering, and ensuring a smooth fire extinguishing operation.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Fire alarm and fire extinguishing device for electrical equipment, characterized by: The invention comprises a fire extinguishing mechanism (1), wherein a fire extinguishing regulating mechanism (2) is arranged on one side of the fire extinguishing mechanism (1), wherein the fire extinguishing mechanism (1) comprises a material box (101), wherein a potassium nitrate silo (106) and a strontium nitrate silo (107) are symmetrically arranged inside the material box (101), wherein a partition is arranged between the potassium nitrate silo (106) and the strontium nitrate silo (107), wherein a potassium nitrate discharge port (111) is arranged at the bottom of the potassium nitrate silo (106), wherein a strontium nitrate discharge port (112) is arranged at the bottom of the strontium nitrate silo (107), wherein the potassium nitrate discharge port (111) is arranged at the bottom of the strontium nitrate silo (107), wherein the potassium ... A screw feeder (110) is disposed inside the potassium nitrate discharge port (111) and the strontium nitrate discharge port (112); a transmission shaft (109) is fixedly connected inside the screw feeder (110); a rotating motor (108) is installed on the top of the transmission shaft (109); the rotating motor (108) is installed on the top of the material box (101); a reaction chamber (113) is fixedly installed on the bottom of the material box (101); and the reaction chamber (113) is disposed outside the potassium nitrate discharge port (111) and the strontium nitrate discharge port (112); The fire extinguishing regulating mechanism (2) comprises a fire extinguishing spray pipe (201), a plurality of fire extinguishing nozzles (202) are evenly distributed on the outside of the fire extinguishing spray pipe (201), one end of the fire extinguishing spray pipe (201) is connected to a delivery pipe (203), and one end of the delivery pipe (203) is connected to a valve interface (204).

2. The fire alarm and extinguishing device for electrical equipment according to claim 1, characterized in that: A connecting rod (205) is fixedly installed on the inner side of the fire extinguishing spray pipe (201), a connecting block (206) is arranged in the middle of the connecting rod (205), a lifting screw (207) is threadedly connected to the inner side of the connecting block (206), a lifting motor (208) is arranged at the bottom of the lifting screw (207), and the lifting motor (208) is fixedly installed on one side of the reaction chamber (113).

3. The fire alarm and fire extinguishing device for electrical equipment according to claim 1, characterized in that: A potassium nitrate feed port (102) is provided at one end of the material box (101), and a strontium nitrate feed port (104) is provided at the other end of the material box (101).

4. The fire alarm and extinguishing device for electrical equipment according to claim 1, characterized in that: A first cover plate (103) is movably mounted on one end of the material box (101), and a second cover plate (105) is movably mounted on the other end of the material box (101).

5. The fire alarm and extinguishing device for electrical equipment according to claim 4, characterized in that: The first cover plate (103) and the second cover plate (105) are both provided with a rotating shaft (116), and the rotating shaft (116) is installed at both ends inside the material box (101).

6. The fire alarm and extinguishing device for electrical equipment according to claim 1, characterized in that: Bogies (114) are movably mounted at the four corners of the bottom of the reaction chamber (113), and moving wheels (115) are connected to the inner side of the bogies (114).

7. The fire alarm and extinguishing device for electrical equipment according to claim 2, characterized in that: Guide rods (209) are symmetrically fixedly mounted on both sides of the top of the lifting motor (208), and the guide rods (209) are slidably connected to the connecting block (206).

8. The fire alarm and fire extinguishing device for electrical equipment according to claim 1, characterized in that: The fire alarm mechanism (3) comprises an alarm (301), wherein the top of the alarm (301) is provided with an alarm light (302), an installation frame (303) is installed on the outside of the alarm (301), a temperature sensor (304) is provided on the outer wall of the installation frame (303), and a plurality of heat collecting sheets (305) are evenly distributed on the outer wall of the temperature sensor (304).

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