High-voltage cabinet

Abstract

The utility model relates to the technical field of high-voltage cabinet structures, and discloses a high-voltage cabinet which comprises a high-voltage cabinet body, the front surface of the high-voltage cabinet body is rotatably connected with a cabinet door, the high-voltage cabinet body is provided with a filtering heat dissipation mechanism, and the back surface of the inner wall of the high-voltage cabinet body is provided with a static electricity leading-out mechanism. The static electricity leading-out mechanism comprises a device supporting frame, and the device supporting frame is fixedly installed on the back face of the inner wall of the high-voltage cabinet body. According to the utility model, through the design of the alloy net seat, hollowed-out supporting processing can be carried out on a device, heat dissipation of the device is facilitated, meanwhile, through cooperation of the alloy net seat, the device supporting frame and the alloy frame, static electricity on the device can be guided to the position of the first extension wire, and a user can insert the insertion rod body into the ground in advance. Therefore, the static electricity can be guided to the ground from the inserting rod body and the fins, the problem that the static electricity continuously gathers on the device to affect the safety of the device is avoided, and the reliability of the structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage cabinet structures, and in particular to a high-voltage cabinet. Background Art

[0002] High-voltage distribution cabinet refers to electrical products with voltage levels of 3.6kV~550kV, which are used for switching, controlling or protecting in power generation, transmission, distribution, power conversion and consumption of power systems. They mainly include high-voltage circuit breakers, high-voltage disconnectors and grounding switches, high-voltage load switches, high-voltage automatic reclosing and disconnecting devices, high-voltage operating mechanisms, high-voltage explosion-proof distribution devices and high-voltage switch cabinets. The high-voltage switch manufacturing industry is an important part of the power transmission and transformation equipment manufacturing industry, and occupies a very important position in the entire power industry.

[0003] A Chinese patent discloses a high-voltage cabinet, with the publication number CN218549277U. The technical solution disclosed in the patent document is as follows: blowing fans are installed at both ends of the top of the high-voltage cabinet, a radiator is installed at the rear end of the high-voltage cabinet, a heat sink is installed at the lower end of the high-voltage cabinet, a plurality of exhaust fans are installed at the bottom end of the high-voltage cabinet, and an exhaust slot matched with the exhaust fan is opened at the lower end of the high-voltage cabinet.

[0004] In order to solve the problem that the heat inside the cabinet makes it difficult to perform temperature control operations, the existing technology uses a temperature detector and an exhaust fan to solve the problem. However, the components inside the cabinet cannot be protected against static electricity. If the air environment is relatively dry, static electricity is easily generated inside the cabinet during ventilation, and the static electricity will adhere to the components, affecting the safety of the components. Utility Model Content

[0005] The utility model aims to provide a high-voltage cabinet to solve the problem in the prior art that static electricity may affect the safety of devices.

[0006] The utility model provides the following technical solution: a high-voltage cabinet, comprising a high-voltage cabinet body, the front side of the high-voltage cabinet body is rotatably connected with a cabinet door, the high-voltage cabinet body is provided with a filtering and heat dissipation mechanism, and the back side of the inner wall of the high-voltage cabinet body is provided with an electrostatic derivation mechanism.

[0007] The static electricity extraction mechanism includes a device support frame, which is fixedly installed on the back of the inner wall of the high-voltage cabinet, an alloy mesh seat is fixedly installed on the inner wall of the device support frame, and alloy frames are fixedly installed on both sides of the device support frame. The back of the alloy frame is fixedly connected to a lead-out rod, the back of the lead-out rod extends to the back of the high-voltage cabinet and is detachably connected to a first extension wire, the end of the first extension wire away from the lead-out rod is fixedly connected to a plug-in rod body, and fins are fixedly connected to the outer wall of the plug-in rod body. Through the cooperation of the first extension wire, the plug-in rod body and the fins, static electricity on the device can be introduced into the ground to ensure the safety of the device.

[0008] As a preferred embodiment of the above technical solution, the back side of the lead-out rod extends to the back side of the high-voltage cabinet body and is detachably connected with a second extension wire, and one end of the second extension wire away from the lead-out rod is fixedly connected with an alloy frame.

[0009] As a preferred embodiment of the above technical solution, a sliding part is slidably connected to the inner wall of the alloy frame, an elastic part is fixedly connected to the outer wall of the sliding part, and one end of the elastic part away from the sliding part is fixedly connected to the inner wall of the alloy frame. The elastic part can drive the sliding part to reset and squeeze the external wires to position.

[0010] As a preferred embodiment of the above technical solution, the ends of the lead-out rod, the first extension wire, and the second extension wire are fixedly connected with circular connecting plates, and the two adjacent circular connecting plates are detachably connected by external bolts. The design of the circular connecting plates facilitates the user to selectively install the first extension wire or the second extension wire.

[0011] As a preferred embodiment of the above technical solution, the filtering and heat dissipation mechanism includes a hollow top plate and a fixed block. The hollow top plate is fixedly installed on the top of the high-voltage cabinet body, and an air outlet net is fixedly installed on the bottom of the inner wall of the hollow top plate. A cylindrical fan is fixedly connected to the back of the hollow top plate, and an L-shaped pipe is movably connected to the back of the cylindrical fan. When the cylindrical fan is working, air can be output from the air outlet net to provide heat dissipation protection for the device.

[0012] As a preferred embodiment of the above technical solution, a porous plate is fixedly installed at the bottom of the inner wall of the L-shaped pipe, and the inner cavity of the L-shaped pipe is filled with fiber cotton filter filler located on the top of the porous plate. The porous plate and the fiber cotton filter filler can filter the heat dissipation air.

[0013] As a preferred embodiment of the above technical solution, exhaust slots are provided on both sides of the high-voltage cabinet body, the fixed block is fixedly installed on the side of the high-voltage cabinet body, and a rotating part is rotatably connected to the outer wall on the inner side of the fixed block. Through the design of the fixed block and the rotating part, the baffle is rotatably connected to the side of the high-voltage cabinet body.

[0014] As a preferred embodiment of the above technical solution, a baffle is fixedly installed on the end of the rotating member away from the fixed block, and the baffle is movably connected to the side of the high-voltage cabinet body, and the baffle is used to seal the side of the exhaust slot.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model can hollow out the device to support it through the design of the alloy mesh seat, which is convenient for the heat dissipation of the device. At the same time, the static electricity on the device can be directed to the first extension wire through the cooperation of the alloy mesh seat, the device support frame and the alloy frame. The user can pre-plug the plug-in rod body into the ground, and then direct the static electricity to the ground from the plug-in rod body and the fins, avoiding the problem of static electricity continuously accumulating on the device and affecting the safety of the device, thereby improving the reliability of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the high-voltage cabinet of the utility model;

[0019] Figure 3 for Figure 2 A magnified view of the structure at center A;

[0020] Figure 4 This is a schematic diagram of the back structure of the alloy frame of the utility model;

[0021] Figure 5 for Figure 4 A magnified view of the structure at B in the middle;

[0022] Figure 6 This is a schematic diagram of the internal structure of the alloy frame of the utility model;

[0023] Figure 7 It is a schematic diagram of the back structure of the hollow top plate of the utility model.

[0024] In the figure: 1. high-voltage cabinet body; 11. cabinet door; 2. filtering and heat dissipation mechanism; 21. hollow top plate; 211. air outlet net; 212. cylindrical fan; 213. L-shaped pipe; 214. porous plate; 215. fiber cotton filter filler; 22. exhaust slot; 23. fixed block; 24. rotating part; 25. baffle; 3. static electricity lead-out mechanism; 31. device support frame; 32. alloy mesh seat; 33. alloy frame; 34. lead-out rod; 35. first extension wire; 36. plug-in rod body; 37. fin; 38. second extension wire; 381. alloy frame; 382. sliding part; 383. elastic part. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0026] like Figure 1-5 As shown, the utility model provides a technical solution: a high-voltage cabinet, including a high-voltage cabinet body 1, a cabinet door 11 is rotatably connected to the front of the high-voltage cabinet body 1, a filtering and heat dissipation mechanism 2 is arranged on the high-voltage cabinet body 1, and an electrostatic derivation mechanism 3 is arranged on the back of the inner wall of the high-voltage cabinet body 1. The electrostatic derivation mechanism 3 includes a device support frame 31, the device support frame 31 is fixedly installed on the back of the inner wall of the high-voltage cabinet body 1, an alloy mesh seat 32 is fixedly installed on the inner wall of the device support frame 31, and alloy frames 33 are fixedly installed on both sides of the device support frame 31, and the back of the alloy frame 33 is fixedly installed. A lead-out rod 34 is fixedly connected, the back of the lead-out rod 34 extends to the back of the high-voltage cabinet body 1 and is detachably connected to a first extension wire 35, and the end of the first extension wire 35 away from the lead-out rod 34 is fixedly connected to a plug-in rod body 36, and fins 37 are fixedly connected to the outer wall of the plug-in rod body 36. The plug-in rod body 36 is pre-plugged into the ground, and through the cooperation of the alloy mesh seat 32, the device support frame 31 and the alloy frame 33, the static electricity on the device can be guided to the first extension wire 35, and then the static electricity is guided to the ground from the plug-in rod body 36 and the fins 37 to ensure the safety of the device.

[0027] As an implementation method in this embodiment, Figure 4 and Figure 6 As shown, the back of the lead-out rod 34 extends to the back of the high-voltage cabinet body 1 and is detachably connected to the second extension wire 38, and the end of the second extension wire 38 away from the lead-out rod 34 is fixedly connected to the alloy frame 381, and a sliding member 382 is slidably connected to the inner wall of the alloy frame 381, and an elastic member 383 is fixedly connected to the outer wall of the sliding member 382, ​​and the end of the elastic member 383 away from the sliding member 382 is fixedly connected to the inner wall of the alloy frame 381, and the ends of the lead-out rod 34, the first extension wire 35, and the second extension wire 38 are all fixedly connected to circular connection plates, and two adjacent circular connection plates The two are detachably connected by external bolts. The lengths of the second extension wire 38 and the first extension wire 35 are designed according to the use environment. The user can selectively connect the second extension wire 38 or the first extension wire 35 to the lead-out rod 34. If a ground wire is designed in the installation environment, the user can install the second extension wire 38 on the back of the lead-out rod 34, then pull the sliding part 382, ​​and then pass the wire through the inner cavity of the alloy frame 381, and then release the sliding part 382. Through the elastic force of the elastic part 383, the ground wire is close to the inner wall of the alloy frame 381, and the static electricity is released with the help of the ground wire.

[0028] As an implementation method in this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 7 As shown, the filtering and heat dissipation mechanism 2 includes a hollow top plate 21 and a fixed block 23, the hollow top plate 21 is fixedly installed on the top of the high-voltage cabinet body 1, an air outlet net 211 is fixedly installed at the bottom of the inner wall of the hollow top plate 21, a cylindrical fan 212 is fixedly connected to the back of the hollow top plate 21, an L-shaped pipe 213 is movably plugged into the back of the cylindrical fan 212, a porous plate 214 is fixedly installed at the bottom of the inner wall of the L-shaped pipe 213, and the inner cavity of the L-shaped pipe 213 is filled with a fiber cotton filter filler 215 located on the top of the porous plate 214, exhaust slots 22 are provided on both sides of the high-voltage cabinet body 1, the fixed block 23 is fixedly installed on the side of the high-voltage cabinet body 1, a rotating member 24 is rotatably connected to the outer wall inside the fixed block 23, a baffle 25 is fixedly installed on the end of the rotating member 24 away from the fixed block 23, and the baffle 25 is movably It is dynamically connected to the side of the high-voltage cabinet body 1 to control the operation of the cylindrical fan 212, which can absorb external gas filtered by the L-shaped pipe 213 and the porous plate 214, and then transport it to the inner cavity of the hollow top plate 21. The gas then passes through the air outlet net 211 and is evenly sprayed to the surface of the device, thereby realizing the function of heat dissipation protection for the device. The user can pull out the L-shaped pipe 213 from the back of the cylindrical fan 212, and then replace the fiber cotton filter filler 215 and clean the porous plate 214. During the heat dissipation process, the gas can be discharged from the exhaust slot 22. Through the design of the fixed block 23 and the rotating part 24, the baffle 25 is rotatably connected to the side of the high-voltage cabinet body 1. After the cylindrical fan 212 stops working, the baffle 25 can seal the exhaust slot 22 to avoid the problem of impurities entering the high-voltage cabinet body 1.

[0029] Working principle: The user can open the cabinet door 11 to install the device on the top of the alloy mesh seat 32, and pre-plug the plug-in rod body 36 into the ground. Through the cooperation of the alloy mesh seat 32, the device support frame 31 and the alloy frame 33, the static electricity on the device can be guided to the first extension wire 35, and then the static electricity is guided to the ground from the plug-in rod body 36 and the fins 37 to ensure the safety of the device. The cylindrical fan 212 is controlled to work, so that the external gas can pass through the air outlet net 211 and be evenly sprayed onto the surface of the device to protect the device from heat dissipation.

[0030] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A high-voltage cabinet, comprising a high-voltage cabinet body (1), characterized in that: The front side of the high-voltage cabinet body (1) is rotatably connected to a cabinet door (11), a filtering and heat dissipation mechanism (2) is provided on the high-voltage cabinet body (1), and a static electricity extraction mechanism (3) is provided on the back side of the inner wall of the high-voltage cabinet body (1); The static electricity extraction mechanism (3) comprises a device support frame (31), the device support frame (31) is fixedly mounted on the back of the inner wall of the high-voltage cabinet body (1), an alloy mesh seat (32) is fixedly mounted on the inner wall of the device support frame (31), alloy frames (33) are fixedly mounted on both sides of the device support frame (31), a lead-out rod (34) is fixedly connected to the back of the alloy frame (33), the back of the lead-out rod (34) extends to the back of the high-voltage cabinet body (1) and is detachably connected to a first extension wire (35), one end of the first extension wire (35) away from the lead-out rod (34) is fixedly connected to a plug-in rod body (36), and a fin (37) is fixedly connected to the outer wall of the plug-in rod body (36).

2. A high voltage cabinet according to claim 1, characterized in that: The back side of the lead-out rod (34) extends to the back side of the high-voltage cabinet body (1) and is detachably connected to a second extension wire (38); one end of the second extension wire (38) away from the lead-out rod (34) is fixedly connected to an alloy frame (381).

3. A high voltage cabinet according to claim 2, characterized in that: A sliding member (382) is slidably connected to the inner wall of the alloy frame (381), an elastic member (383) is fixedly connected to the outer wall of the sliding member (382), and one end of the elastic member (383) away from the sliding member (382) is fixedly connected to the inner wall of the alloy frame (381).

4. A high voltage cabinet according to claim 3, characterized in that: The ends of the lead-out rod (34), the first extension wire (35), and the second extension wire (38) are all fixedly connected to circular connection disks, and two adjacent circular connection disks are detachably connected via external bolts.

5. A high voltage cabinet according to claim 1, characterized in that: The filtering and heat dissipation mechanism (2) comprises a hollow top plate (21) and a fixing block (23); the hollow top plate (21) is fixedly mounted on the top of the high-voltage cabinet body (1); an air outlet net (211) is fixedly mounted on the bottom of the inner wall of the hollow top plate (21); a cylindrical fan (212) is fixedly connected to the back of the hollow top plate (21); and an L-shaped pipe (213) is movably plugged into the back of the cylindrical fan (212).

6. A high voltage cabinet according to claim 5, characterized in that: A porous plate (214) is fixedly mounted on the bottom of the inner wall of the L-shaped pipe (213), and the inner cavity of the L-shaped pipe (213) is filled with a fiber cotton filter filler (215) located on the top of the porous plate (214).

7. A high voltage cabinet according to claim 5, characterized in that: Both sides of the high-voltage cabinet body (1) are provided with exhaust slots (22); the fixing block (23) is fixedly mounted on the side of the high-voltage cabinet body (1); and a rotating member (24) is rotatably connected to the outer wall inside the fixing block (23).

8. A high voltage cabinet according to claim 7, characterized in that: A baffle (25) is fixedly mounted on the end of the rotating member (24) away from the fixed block (23), and the baffle (25) is movably connected to the side of the high-voltage cabinet body (1).

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