Electric power high-voltage cabinet

Abstract

The utility model discloses an electric power high-voltage cabinet which comprises a device body, a cabinet door is hinged to the front face of the device body, and a locking mechanism is arranged on one side of the back face of the cabinet door. Hot air blown out by heat dissipation of the power distribution cabinet enters a cavity B through a filter plate B and a ventilation pipeline, the bottom of the power distribution cabinet is dried, water vapor at the bottom of the power distribution cabinet is reduced, meanwhile, the hot air is discharged through an air outlet pipe, the discharged hot air drives a rotating rod to rotate through fan blades, and the rotating rod drives a bevel gear A to rotate through two sets of bevel gears B; a bevel gear A drives a bidirectional screw rod to rotate through a connecting rod, and a displacement block drives a cleaning brush to lift and move in the bidirectional screw rod, so that dust on the surfaces of a filter plate A and a filter plate B is cleaned, the heat dissipation effect is improved, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of electric high-voltage cabinets, in particular to an electric high-voltage cabinet. Background Art

[0002] A high-voltage distribution cabinet can also be called a high-voltage switch cabinet. It is used for switching, control or protection in power generation, transmission, distribution, power conversion and consumption of power systems. The cabinet system is welded with thin steel plates and angle steels, and the base is welded with channel steels. There is a single protective mesh door in front of the cabinet and a double protective mesh door in the back. The top bus is exposed. The cabinet is divided into two chambers, front and back. The front chamber is equipped with a spare (starting) bus disconnector, line disconnector and cable head, etc. The top of the front chamber is equipped with a spare (starting) bus. The rear chamber is equipped with a main (working) bus disconnector, an oil circuit breaker, and a main (working) bus disconnector on the top. A current transformer can be installed at the bottom between the front and rear chambers. The oil circuit breaker and the disconnector operating mechanism are installed in the front of the cabinet. There is a single steel plate door on the left side of the back of the cabinet, and the relay room is inside the door. There are thin steel plates between each room, primary electrical equipment and secondary electrical equipment. The secondary electrical equipment can be repaired without stopping the primary electrical equipment. The electrical products with voltage levels of 3.6kV to 550kV mainly include relays, watt-hour meters, ammeters, voltmeters, power meters, power factor meters, frequency meters, fuses, air switches, transfer switches, signal lights, resistors, buttons, microcomputer integrated protection devices, etc., high-voltage operating mechanisms, high-voltage explosion-proof distribution devices and high-voltage switchgear. The high-voltage switch manufacturing industry is an important part of the power transmission and transformation equipment manufacturing industry, and it occupies a very important position in the entire power industry. The function of the switchgear is to disconnect the high-voltage circuit, and it is the main equipment of the high-voltage switchgear. The busbar and cable are used to achieve the connection function. Generally, the busbar is connected to the system side, which is equivalent to the source of high voltage, and then connected to the cable through the switch. The cable connects the load carried by the switch.

[0003] At present, traditional power high-voltage cabinets are often installed on the ground, where the ground is very humid. The bottom of the power distribution cabinet is prone to corrosion and rust. In addition, the power distribution cabinet needs to dissipate heat during operation. After long-term use, the heat dissipation holes of the power distribution cabinet will be blocked by dust, affecting the heat dissipation effect, thereby affecting the service life of the device. Utility Model Content

[0004] The purpose of the utility model is to provide a high-voltage electric power cabinet to solve the problem in the above-mentioned background technology that the ground is very humid, the bottom of the electric power distribution cabinet is prone to corrosion and rust, and the electric power distribution cabinet needs to dissipate heat during operation. After long-term use, the heat dissipation holes of the electric power distribution cabinet will be blocked by dust, affecting the heat dissipation effect and limiting the service life of the electric power distribution cabinet.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-voltage electric cabinet, comprising a device body, a cabinet door hinged on the front of the device body, a locking mechanism provided on one side of the back of the cabinet door, a cavity A and a cavity B respectively provided from top to bottom inside the device body, a ventilation duct fixedly connected to one side of the outer wall of the device body, a cleaning mechanism provided on the lower surface of the cavity A, the cleaning mechanism comprising connecting rods symmetrically rotatably connected to both sides of the lower surface of the cavity A, the tops of the two connecting rods are both transmission-connected with bidirectional screw rods, the middle parts of the two bidirectional screw rods are threadedly connected with displacement blocks, the outer sides of the two displacement blocks are fixedly connected with cleaning brushes, the bottom ends of the two connecting rods are both transmission-connected with bevel gears A, the inner side wall of the cavity B is rotationally connected with a rotating rod, the outer side wall of the rotating rod is symmetrically connected with bevel gears B, the bevel gears A and bevel gears B are meshed with each other, an air outlet duct is provided at the bottom of the other side of the outer wall of the device body, the inner cavity of the air outlet duct is provided with a support frame, and one end of the rotating rod extends through to the outside of the support frame and is transmission-connected with a fan blade.

[0006] Preferably, a mounting block is fixedly connected to the top of the other side of the outer wall of the device body, a heat dissipation motor is fixedly connected to the inner wall of the mounting block, and a filter plate A is fixedly connected to one side of the mounting block.

[0007] Preferably, a filter plate B is fixedly connected to one end of the ventilation duct, and a handle is fixedly connected to one side of the front of the cabinet door.

[0008] Preferably, the locking mechanism comprises a mounting frame fixedly connected to one side of the back side of the cabinet door, and a keyhole is rotatably connected to one side of the middle portion of the cabinet door.

[0009] Preferably, one end of the keyhole is transmission-connected with a threaded rod A, and the inner side wall of the mounting frame is rotationally connected with a rotating shaft.

[0010] Preferably, a bevel gear is fixedly connected to one end of the outer surface of the rotating shaft, and the bevel gear and the threaded rod A are meshed with each other.

[0011] Preferably, one end of the rotating shaft extends through and to the outside of the mounting frame and is drivingly connected to a threaded rod B, a middle portion of the threaded rod B is threadedly connected to a movable block, and one side of the movable block is fixedly connected to an insertion rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By setting a cleaning mechanism, the bottom of the power distribution cabinet is dried and the heat dissipation holes are cleaned by blowing out hot air. The hot air blown out by the power distribution cabinet for heat dissipation enters the cavity B through the filter plate B and the ventilation duct to dry the bottom of the power distribution cabinet and reduce the water vapor at the bottom of the power distribution cabinet. At the same time, the hot air is discharged through the air outlet pipe, and the discharged hot air drives the rotating rod to rotate through the fan blades. The rotating rod drives the bevel gear A to rotate through two sets of bevel gears B. The bevel gear A drives the bidirectional screw to rotate through the connecting rod. The displacement block drives the cleaning brush to move up and down in the bidirectional screw, thereby cleaning the dust on the surface of the filter plate A and the filter plate B, improving the heat dissipation effect and extending the service life of the device.

[0014] 2. By setting up a locking mechanism, it is convenient to inspect and maintain the power distribution cabinet. The special key is inserted into the keyhole and drives the threaded rod A to rotate. The threaded rod A engages with the bevel gear and drives the shaft to rotate. The shaft drives the threaded rod B to rotate. The movable block drives the plug rod to move horizontally in the threaded rod B to close the cabinet door, avoiding safety hazards caused by non-staff opening the power distribution cabinet. At the same time, it is convenient for staff to inspect and maintain the power distribution cabinet, thereby improving the safety and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A front schematic diagram of a three-dimensional structure provided by the utility model;

[0016] Figure 2 A schematic diagram of the interior of the three-dimensional structure provided by the utility model;

[0017] Figure 3 A schematic cross-sectional view of the three-dimensional structure provided by the utility model;

[0018] Figure 4 The utility model provides Figure 2 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 5 The utility model provides Figure 3 A magnified schematic diagram of the structure at B in the middle;

[0020] In the figure: 1. device body; 2. cabinet door; 3. ventilation duct; 4. mounting block; 5. keyhole; 6. handle; 7. cavity A; 8. cavity B; 9. connecting rod; 10. bidirectional screw rod; 11. displacement block; 12. cleaning brush; 13. bevel gear A; 14. rotating rod; 15. bevel gear B; 16. filter plate A; 17. plug rod; 18. heat dissipation motor; 19. filter plate B; 20. air outlet duct; 21. support frame; 22. fan blades; 23. threaded rod A; 24. mounting frame; 25. rotating shaft; 26. bevel gear; 27. threaded rod B; 28. movable block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Please refer to Figures 1 to 3 as well as Figure 5 , an electric high-voltage cabinet, which dries the bottom of the electric power distribution cabinet and cleans the heat dissipation holes by blowing out hot air, comprises a device body 1, a cabinet door 2 is hinged on the front of the device body 1, a locking mechanism is arranged on one side of the back of the cabinet door 2, a cavity A7 and a cavity B8 are arranged from top to bottom inside the device body 1, a ventilation duct 3 is fixedly connected to one side of the outer wall of the device body 1, a cleaning mechanism is arranged on the lower surface of the cavity A7, the cleaning mechanism comprises connecting rods 9 symmetrically connected to both sides of the lower surface of the cavity A7, the tops of the two connecting rods 9 are both transmission-connected with bidirectional screw rods 10, the middle parts of the two bidirectional screw rods 10 are threadedly connected with displacement blocks 11, the outer sides of the two displacement blocks 11 are fixedly connected with cleaning brushes 12, the bottom ends of the two connecting rods 9 are both transmission-connected with bevel gears A13, the inner wall of the cavity B8 is rotationally connected with a rotating rod 14, the outer wall of the rotating rod 14 is symmetrically connected with a bevel gear B15, and the bevel gear A 13 is meshed with bevel gear B15, an air outlet duct 20 is arranged at the bottom of the other side of the outer wall of the device body 1, a support frame 21 is arranged in the inner cavity of the air outlet duct 20, and one end of the rotating rod 14 extends through and extends to the outside of the support frame 21 and is transmission-connected with a fan blade 22, and the hot air blown out by the heat dissipation of the power distribution cabinet enters the cavity B8 through the filter plate B19 and the ventilation duct 3, dries the bottom of the power distribution cabinet, and reduces the water vapor at the bottom of the power distribution cabinet, and at the same time, the hot air is discharged through the air outlet duct 20, and the discharged hot air drives the rotating rod 14 to rotate through the fan blade 22, and the rotating rod 14 drives the bevel gear A13 to rotate through two sets of bevel gears B15, and the bevel gear A13 drives the bidirectional screw 10 to rotate through the connecting rod 9, and the displacement block 11 drives the cleaning brush 12 to move up and down in the bidirectional screw 10, thereby cleaning the dust on the surface of the filter plate A16 and the filter plate B19, improving the heat dissipation effect and extending the service life of the device.

[0023] Please refer to Figures 1 to 4The top of the other side of the outer wall of the device body 1 is fixedly connected with a mounting block 4, the inner wall of the mounting block 4 is fixedly connected with a heat dissipation motor 18, one side of the mounting block 4 is fixedly connected with a filter plate A16, one end of the ventilation duct 3 is fixedly connected with a filter plate B19, one side of the front of the cabinet door 2 is fixedly connected with a handle 6, the locking mechanism includes a mounting frame 24 fixedly connected to one side of the back of the cabinet door 2, one side of the middle of the cabinet door 2 is rotatably connected with a keyhole 5, one end of the keyhole 5 is transmission-connected with a threaded rod A23, the inner side wall of the mounting frame 24 is rotatably connected with a rotating shaft 25, one end of the outer surface of the rotating shaft 25 is fixedly connected with a bevel gear 26, and the bevel gear 26 and the threaded rod A23 are meshed with each other, one end of the rotating shaft 25 extends through and extends to the outside of the mounting frame 24 and is transmission-connected with a threaded rod B27, the middle part of the threaded rod B27 is threadedly connected with a movable block 28, one side of the movable block 28 is fixedly connected with an insertion rod 17, the threaded rod A23 is meshed with the bevel gear 26 for transmission and drives the rotating shaft 25 to rotate, the rotating shaft 25 drives the threaded rod B27 to rotate, the movable block 28 drives the insertion rod 17 to move horizontally in the threaded rod B27, and the cabinet door 2 is closed to avoid safety hazards caused by non-staff opening the power distribution cabinet, and at the same time it is convenient for staff to inspect and maintain the power distribution cabinet, and the safety and practicality of the device are improved.

[0024] Working principle: When in use, first install various high-voltage distribution components into the device body 1, insert the special key into the keyhole 5 and drive the threaded rod A23 to rotate, the threaded rod A23 engages with the bevel gear 26 for transmission and drives the rotating shaft 25 to rotate, the rotating shaft 25 drives the threaded rod B27 to rotate, and the movable block 28 drives the plug rod 17 to move horizontally in the threaded rod B27 to close the cabinet door 2 to prevent non-staff from opening the power distribution cabinet to cause safety hazards, and at the same time facilitate the staff to inspect and maintain the power distribution cabinet. The heat dissipation motor 18 is started to blow the heat emitted from the device body 1 into the ventilation duct 3 through the filter plate A16, and the bottom of the power distribution cabinet is dried by the blown hot air, and the heat dissipation holes are cleaned, and the heat blown out by the power distribution cabinet is The wind enters the cavity B8 through the filter plate B19 and the ventilation duct 3, dries the bottom of the power distribution cabinet, reduces the water vapor at the bottom of the power distribution cabinet, and at the same time, the hot air is discharged through the air outlet pipe 20, and the discharged hot air drives the rotating rod 14 to rotate through the fan blades 22, and the rotating rod 14 drives the bevel gear A13 to rotate through two sets of bevel gears B15, and the bevel gear A13 drives the bidirectional screw rod 10 to rotate through the connecting rod 9, and the displacement block 11 drives the cleaning brush 12 to move up and down in the bidirectional screw rod 10, thereby cleaning the dust on the surface of the filter plate A16 and the filter plate B19, improving the heat dissipation effect and extending the service life of the device. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high voltage electric cabinet, comprising a device body (1), characterized in that: The front of the device body (1) is hinged with a cabinet door (2), and a locking mechanism is provided on one side of the back of the cabinet door (2); the interior of the device body (1) is provided with a cavity A (7) and a cavity B (8) from top to bottom, respectively; one side of the outer wall of the device body (1) is fixedly connected with a ventilation duct (3); the lower surface of the cavity A (7) is provided with a cleaning mechanism, and the cleaning mechanism includes connecting rods (9) symmetrically connected to the two sides of the lower surface of the cavity A (7); the tops of the two connecting rods (9) are both drivingly connected with bidirectional screw rods (10); the middle parts of the two bidirectional screw rods (10) are threadedly connected with displacement blocks (11); the two connecting rods (9) are connected to the upper and lower surfaces of the two bidirectional screw rods (10); and the two connecting rods (9) are connected to the upper and lower surfaces of the two bidirectional screw rods (10). A cleaning brush (12) is fixedly connected to the outer side of the displacement block (11); the bottom ends of the two connecting rods (9) are both transmission-connected to bevel gears A (13); the inner side wall of the cavity B (8) is rotationally connected to a rotating rod (14); the outer side wall of the rotating rod (14) is symmetrically connected to a bevel gear B (15); the bevel gear A (13) and the bevel gear B (15) are meshed with each other; an air outlet pipe (20) is provided at the bottom of the other side of the outer wall of the device body (1); a support frame (21) is provided in the inner cavity of the air outlet pipe (20); and one end of the rotating rod (14) extends through and to the outside of the support frame (21) and is transmission-connected to a fan blade (22).

2. The high voltage power cabinet according to claim 1, characterized in that: A mounting block (4) is fixedly connected to the top of the other side of the outer wall of the device body (1), a heat dissipation motor (18) is fixedly connected to the inner wall of the mounting block (4), and a filter plate A (16) is fixedly connected to one side of the mounting block (4).

3. The high voltage power cabinet according to claim 1, characterized in that: One end of the ventilation duct (3) is fixedly connected to a filter plate B (19), and one side of the front of the cabinet door (2) is fixedly connected to a handle (6).

4. The high voltage power cabinet according to claim 1, characterized in that: The locking mechanism comprises a mounting frame (24) fixedly connected to one side of the back side of the cabinet door (2), and a key hole (5) is rotatably connected to one side of the middle part of the cabinet door (2).

5. The high voltage electric cabinet according to claim 4, characterized in that: One end of the keyhole (5) is drivingly connected to a threaded rod A (23), and the inner side wall of the mounting frame (24) is rotatably connected to a rotating shaft (25).

6. The high voltage electric cabinet according to claim 5, characterized in that: One end of the outer surface of the rotating shaft (25) is fixedly connected to a bevel gear (26), and the bevel gear (26) and the threaded rod A (23) are meshed with each other.

7. The high voltage electric cabinet according to claim 5, characterized in that: One end of the rotating shaft (25) extends through the outside of the mounting frame (24) and is drivingly connected to a threaded rod B (27); a middle portion of the threaded rod B (27) is threadedly connected to a movable block (28); and one side of the movable block (28) is fixedly connected to an insertion rod (17).

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