40.5kv high-voltage switch cabinet with automatic fire extinguishing mechanism

Abstract

The utility model relates to a 40.5kV high -voltage switch cabinet with automatic fire extinguishing mechanism, including switch cabinet body, the inner wall of switch cabinet body is fixedly connected with the baffle, the inner bottom wall of switch cabinet body is fixedly connected with fire extinguishing powder placing box, the inner wall of switch cabinet body is fixedly connected with fixed plate no.

Description

Technical Field

[0001] This utility model relates to the field of power system technology, specifically a 40.5kV high-voltage switchgear equipped with an automatic fire extinguishing mechanism. Background Technology

[0002] 40.5kV high-voltage switchgear, as a crucial piece of equipment in power systems, is widely used in substations, power plants, and various industrial sites. It enables the switching control of high-voltage circuits, playing a vital role in protecting power equipment, isolating faults, and ensuring the stable operation of the power system during power transmission and distribution. Its performance directly affects the reliability and safety of the entire power system.

[0003] Existing 40.5kV high-voltage switchgear typically has internal visual cameras and visual human-machine interaction devices. Once a fire breaks out, it can cause significant property damage and threaten the lives of staff. Moreover, existing switchgear is usually difficult to extinguish automatically. By the time a fire is detected, it has often become a large fire that is difficult to put out, which can cause further damage to the equipment. At the same time, because the cabinet is usually tall, it is difficult to extinguish the fire completely.

[0004] Therefore, a 40.5kV high-voltage switchgear with an automatic fire extinguishing mechanism is proposed to solve the problems mentioned above. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a 40.5kV high-voltage switchgear equipped with an automatic fire extinguishing mechanism. By setting up the automatic fire extinguishing mechanism, it can automatically extinguish fires and spray them comprehensively, solving the problems of difficulty in automatic fire extinguishing, the fact that when a fire is discovered, it has usually already grown into a large fire that is difficult to extinguish, which will cause further damage to the equipment, and the fact that because the cabinet is usually tall, it is difficult to extinguish the fire comprehensively.

[0006] To achieve the above objectives, the present invention provides the following technical solution: including a switch cabinet body, an isolation plate fixedly connected to the inner wall of the switch cabinet body, a fire extinguishing powder storage box fixedly connected to the inner bottom wall of the switch cabinet body, a fixing plate one fixedly connected to the inner wall of the switch cabinet body, and a control switch provided at the bottom of the fixing plate one; The switch cabinet body is equipped with an automatic fire extinguishing mechanism via the control switch. The automatic fire extinguishing mechanism includes a fixed plate, a movable plate, a sliding rod, a spring, and a Wood's alloy rope. The switch cabinet body is equipped with a spraying component via the fire extinguishing powder storage box.

[0007] Preferably, the side of the second fixing plate is fixedly connected to the inner wall of the switch cabinet body, and the slide rod passes through the second fixing plate and is slidably connected to the second fixing plate.

[0008] Preferably, the top of the movable plate is fixedly connected to the bottom of the slide rod, the spring is sleeved on the outer wall of the slide rod, the top of the spring is fixedly connected to the bottom of the fixed plate, and the bottom of the spring is fixedly connected to the top of the movable plate.

[0009] Preferably, a baffle is fixedly connected to the inner wall of the switch cabinet body, and a connecting block is fixedly connected to the bottom of the movable plate.

[0010] Preferably, a second connecting block is fixedly connected to the top of the baffle, and the Wood alloy rope is sleeved between the first connecting block and the second connecting block.

[0011] Preferably, the spraying assembly includes a dry powder conveying pump fixedly connected to the top of the extinguishing powder storage box, an extinguishing powder injector is provided at the bottom of the isolation plate, the powder extraction end of the dry powder conveying pump is connected to the top of the extinguishing powder storage box, and the output end of the dry powder conveying pump is connected to the side of the extinguishing powder injector.

[0012] Preferably, a second fire extinguishing powder injector is fixedly connected to the inner top wall of the switch cabinet body, and a second dry powder conveying pump is fixedly connected to the inner bottom wall of the switch cabinet body. The powder extraction end of the second dry powder conveying pump is connected to the side of the fire extinguishing powder storage box, and the output end of the second dry powder conveying pump is connected to the side of the second fire extinguishing powder injector. Several spray nozzles are connected to the outer walls of both the second and the first fire extinguishing powder injector, and the several spray nozzles are distributed circumferentially. The control switch is electrically connected to the first and second dry powder conveying pumps.

[0013] Compared with the prior art, this utility model provides a 40.5kV high-voltage switchgear with an automatic fire extinguishing mechanism, which has the following beneficial effects: 1. In the case of a fire in the 40.5kV high-voltage switchgear equipped with an automatic fire extinguishing mechanism, the Wood's alloy rope will melt and break. Under the reset action of the spring, the moving plate will drive the sliding rod to block the control switch. The control switch will control the dry powder conveying pump one and the dry powder conveying pump two to extinguish the fire in the switchgear body through an electrical signal.

[0014] 2. When the control switch is activated, the 40.5kV high-voltage switchgear equipped with an automatic fire extinguishing mechanism will have two dry powder pumps: one will draw fire extinguishing powder from the fire extinguishing powder storage box and deliver it into the fire extinguishing powder sprayer, and the other will draw fire extinguishing powder from the fire extinguishing powder storage box and deliver it into the fire extinguishing powder sprayer, so as to evenly spray fire extinguishing powder into the switchgear body. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a side sectional view of the structure of this utility model; Figure 3 This is a partial cross-sectional structural diagram of the automatic fire extinguishing mechanism of this utility model; Figure 4 This is a partial structural schematic diagram of the spraying component of this utility model.

[0016] In the diagram: 1. Switch cabinet body; 2. Isolation plate; 3. Fire extinguishing powder storage box; 4. Fixed plate one; 5. Control switch; 6. Fixed plate two; 7. Moving plate; 8. Sliding rod; 9. Spring; 10. Baffle; 11. Connecting block one; 12. Connecting block two; 13. Wood's alloy rope; 14. Dry powder conveying pump one; 15. Fire extinguishing powder injector one; 16. Dry powder conveying pump two; 17. Fire extinguishing powder injector two; 18. Spray nozzle. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example: Please see Figure 1 - Figure 4 In this embodiment, a 40.5kV high-voltage switchgear with an automatic fire extinguishing mechanism includes a switchgear body 1, an isolation plate 2 fixedly connected to the inner wall of the switchgear body 1, a fire extinguishing powder storage box 3 fixedly connected to the inner bottom wall of the switchgear body 1, a fixing plate 4 fixedly connected to the inner wall of the switchgear body 1, and a control switch 5 provided at the bottom of the fixing plate 4. The switch cabinet body 1 is equipped with an automatic fire extinguishing mechanism via the control switch 5. The automatic fire extinguishing mechanism includes a fixed plate 6, a movable plate 7, a slide bar 8, a spring 9, and a Wood's alloy rope 13. The switch cabinet body 1 is equipped with a spraying component via the fire extinguishing powder storage box 3; When a fire occurs inside the switch cabinet body 1, the temperature inside the switch cabinet body 1 will be higher than the external temperature because the inside of the switch cabinet body 1 is a relatively enclosed space. At this time, the state of the Wood's alloy rope 13 will change because the melting point of the Wood's alloy rope 13 is about 70 degrees Celsius. When the temperature inside the switch cabinet body 1 exceeds 70 degrees Celsius, it is judged that a fire has occurred. At this time, the Wood's alloy rope 13 will melt and break. Under the action of the automatic fire extinguishing mechanism, the slide bar 8 will block the control switch 5 because the control switch 5 is electrically connected to the dry powder delivery pump 2 16 and the dry powder delivery pump 1 14. After the control switch 5 is touched, the dry powder delivery pump 1 14 and the dry powder delivery pump 2 16 will start the fire extinguishing powder sprayer 1 15 and the fire extinguishing powder sprayer 2 17 to spray fire extinguishing powder all over the inside of the switch cabinet body 1. At this time, the fire inside switchgear body 1 was automatically extinguished. Because the fire was detected and extinguished automatically, it avoided the situation where the fire was too large to be extinguished when discovered manually. At the same time, multiple fire extinguishing outlets were designed to spray the entire interior of switchgear body 1, avoiding the situation where switchgear body 1 was too high to be sprayed comprehensively. The fire was extinguished in time when it occurred, reducing property loss and protecting the lives of the staff.

[0019] The side of the second fixing plate 6 is fixedly connected to the inner wall of the switch cabinet body 1, and the slide rod 8 passes through the second fixing plate 6 and is slidably connected to the second fixing plate 6. The top of the movable plate 7 is fixedly connected to the bottom of the slide bar 8. The spring 9 is sleeved on the outer wall of the slide bar 8. The top of the spring 9 is fixedly connected to the bottom of the fixed plate 6. The bottom of the spring 9 is fixedly connected to the top of the movable plate 7. A baffle 10 is fixedly connected to the inner wall of the switch cabinet body 1, and a connecting block 11 is fixedly connected to the bottom of the movable plate 7. A connecting block 2 12 is fixedly connected to the top of the baffle 10, and a Wood alloy rope 13 is sleeved between the connecting block 11 and the connecting block 2 12. Before the electrical components inside the switch cabinet body 1 begin operation, the movable plate 7 is pulled downwards. The movable plate 7 then moves the sliding rod 8 downwards. At this time, the spring 9 is taut. When it reaches the appropriate position, the Wood's alloy rope 13 is fitted between connecting block 11 and connecting block 2. At this point, the positions of the movable plate 7 and the baffle 10 are limited, as are the positions of the sliding rod 8 and the control switch 5. If the temperature inside the switch cabinet body 1 exceeds 70 degrees Celsius, a fire is detected. At this time, the Wood's alloy rope... The state of the alloy rope 13 will change, and the Wood alloy rope 13 will begin to melt. After the Wood alloy rope 13 melts, the positions of the moving plate 7 and the baffle 10 will lose their limits. Under the reset action of the spring 9, the moving plate 7 will drive the slide rod 8 to move upward. The fixed plate 2 6 will guide the slide rod 8. The slide rod 8 will block the control switch 5 on the fixed plate 1 4. The control switch 5 will drive the dry powder conveying pump 1 14 and the dry powder conveying pump 2 16 through an electrical signal connection to extinguish the fire in the switch cabinet body 1. At this point, the fire inside switchgear 1 was automatically extinguished, ensuring that the fire was put out in time when it occurred, thus avoiding the situation where the fire was discovered too late and was difficult to extinguish.

[0020] The spraying assembly includes a dry powder delivery pump 14 fixedly connected to the top of the fire extinguishing powder storage box 3, and a fire extinguishing powder injector 15 installed at the bottom of the isolation plate 2. The powder extraction end of the dry powder delivery pump 14 is connected to the top of the fire extinguishing powder storage box 3, and the output end of the dry powder delivery pump 14 is connected to the side of the fire extinguishing powder injector 15. A second fire extinguishing powder injector 17 is fixedly connected to the inner top wall of the switch cabinet body 1, and a second dry powder conveying pump 16 is fixedly connected to the inner bottom wall of the switch cabinet body 1. The powder extraction end of the second dry powder conveying pump 16 is connected to the side of the fire extinguishing powder storage box 3, and the output end of the second dry powder conveying pump 16 is connected to the side of the second fire extinguishing powder injector 17. Several spray ports 18 are connected to the outer walls of the second fire extinguishing powder injector 17 and the first fire extinguishing powder injector 15. The several spray ports 18 are distributed in a circumferential manner. The control switch 5 is electrically connected to the first dry powder conveying pump 14 and the second dry powder conveying pump 16. When the control switch 5 is activated, the dry powder delivery pump 14, which is electrically connected to the control switch 5, will be driven. The dry powder delivery pump 14 will draw fire extinguishing powder from the fire extinguishing powder storage box 3 and deliver it to the fire extinguishing powder sprayer 15 to extinguish the fire below the fire extinguishing powder storage box 3. The dry powder delivery pump 2, which is electrically connected to the control switch 5, will also be activated when the control switch 5 is activated. It will draw fire extinguishing powder from the fire extinguishing powder storage box 3 and deliver it to the fire extinguishing powder sprayer 2, which will extinguish the fire above the fire extinguishing powder storage box 3. Since the fire extinguishing powder sprayer 15 and the fire extinguishing powder sprayer 2, both have several spray nozzles 18 on their outer walls, the spray nozzles 18 will spray fire extinguishing powder from various directions to evenly spray the switch cabinet body 1. At this time, the fire inside the switch cabinet body 1 was thoroughly sprayed. By designing multiple fire extinguishing ports, the problem of difficulty in extinguishing the fire due to the excessive height of the switch cabinet body 1 was avoided, the fire extinguishing efficiency was improved, and the fire inside the switch cabinet body 1 was effectively extinguished.

[0021] The installation method, connection method, or setting method disclosed in this embodiment are all common mechanical connections. Any connection method that can achieve its beneficial effect can be implemented. In addition, all electrical components in this embodiment are electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer that plays a control role. Those skilled in the art can control the electrical components through simple programming. Moreover, the existing public power connection technology is also common knowledge in the field. Therefore, the specific structural composition and working principle will not be described in detail in this embodiment.

[0022] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A 40.5kV high-voltage switchgear equipped with an automatic fire extinguishing mechanism, comprising a switchgear body (1), characterized in that: An isolation plate (2) is fixedly connected to the inner wall of the switch cabinet body (1), a fire extinguishing powder storage box (3) is fixedly connected to the inner bottom wall of the switch cabinet body (1), a fixing plate (4) is fixedly connected to the inner wall of the switch cabinet body (1), and a control switch (5) is provided at the bottom of the fixing plate (4). The switch cabinet body (1) is equipped with an automatic fire extinguishing mechanism via the control switch (5). The automatic fire extinguishing mechanism includes a fixed plate (6), a movable plate (7), a slide bar (8), a spring (9), and a Wood alloy rope (13). The switch cabinet body (1) is equipped with a spraying component through the fire extinguishing powder placement box (3).

2. A 40.5kV high-voltage switchgear with an automatic fire extinguishing mechanism according to claim 1, characterized in that: The side of the second fixing plate (6) is fixedly connected to the inner wall of the switch cabinet body (1), and the slide rod (8) passes through the second fixing plate (6) and is slidably connected to the second fixing plate (6).

3. A 40.5kV high-voltage switchgear with an automatic fire extinguishing mechanism according to claim 2, characterized in that: The top of the movable plate (7) is fixedly connected to the bottom of the slide rod (8), the spring (9) is sleeved on the outer wall of the slide rod (8), the top of the spring (9) is fixedly connected to the bottom of the fixed plate (6), and the bottom of the spring (9) is fixedly connected to the top of the movable plate (7).

4. A 40.5kV high-voltage switchgear with an automatic fire extinguishing mechanism according to claim 3, characterized in that: A baffle (10) is fixedly connected to the inner wall of the switch cabinet body (1), and a connecting block (11) is fixedly connected to the bottom of the movable plate (7).

5. A 40.5kV high-voltage switchgear with an automatic fire extinguishing mechanism according to claim 4, characterized in that: The top of the baffle (10) is fixedly connected to the second connecting block (12), and the Wood alloy rope (13) is sleeved between the first connecting block (11) and the second connecting block (12).

6. A 40.5kV high-voltage switchgear with an automatic fire extinguishing mechanism according to claim 1, characterized in that: The spraying assembly includes a dry powder delivery pump (14) fixedly connected to the top of the fire extinguishing powder storage box (3), and a fire extinguishing powder injector (15) provided at the bottom of the isolation plate (2). The powder extraction end of the dry powder delivery pump (14) is connected to the top of the fire extinguishing powder storage box (3), and the output end of the dry powder delivery pump (14) is connected to the side of the fire extinguishing powder injector (15).

7. A 40.5kV high-voltage switchgear with an automatic fire extinguishing mechanism according to claim 6, characterized in that: The inner top wall of the switch cabinet body (1) is fixedly connected to a second fire extinguishing powder injector (17), and the inner bottom wall of the switch cabinet body (1) is fixedly connected to a second dry powder conveying pump (16). The powder extraction end of the second dry powder conveying pump (16) is connected to the side of the fire extinguishing powder storage box (3), and the output end of the second dry powder conveying pump (16) is connected to the side of the second fire extinguishing powder injector (17). Several spray ports (18) are connected to the outer walls of the second fire extinguishing powder injector (17) and the first fire extinguishing powder injector (15). The several spray ports (18) are distributed in a circumferential manner. The control switch (5) is electrically connected to the first dry powder conveying pump (14) and the second dry powder conveying pump (16).

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