Circuit protection structure of high-voltage gas-insulated switchgear

Abstract

The utility model discloses a line protection structure of a high-voltage gas-insulated switchgear, which relates to the technical field of high-voltage gas-insulated switchgears and comprises a cabinet body, two fixing plates are connected to the bottoms of the inner walls of the two sides of the cabinet body, every two fixing plates located on one side form a group, a sliding rod is connected between the two groups of fixing plates, and moving seats are slidably connected to the two sides of the outer wall of the sliding rod. Every two corresponding moving seats form a group, and a wire arranging plate is arranged between the two groups of moving seats; the beneficial effects of the utility model are that through the cooperation of the two wire arranging plates, the wires in the high-voltage gas-insulated switchgear are orderly wound and arranged, and through the cooperation of the moving seat and the sliding rod, the distance between the two wire arranging plates is adjusted according to the length of the wires, so that the overlong wires can pass through the wire arranging grooves on the two wire arranging plates, and the wire arranging efficiency is improved. The overlong lines are arranged in order, the lines are prevented from being disordered, line damage caused by line pulling is avoided, and the lines are further protected through cooperation of the line arrangement grooves and the rubber pads.

Description

Technical Field

[0001] The utility model relates to a line protection structure, in particular to a high-voltage gas filling cabinet line protection structure, belonging to the technical field of high-voltage gas filling cabinets. Background Art

[0002] High-voltage gas-filled cabinet is a new generation of switchgear. The main switch can use either a permanent magnet mechanism vacuum circuit breaker or a spring mechanism vacuum circuit breaker. The entire cabinet adopts a combination of air insulation and sulfur hexafluoride gas compartment. It is compact and expandable, suitable for power distribution automation. The gas-filled cabinet has the characteristics of compact structure, flexible operation, and reliable interlocking. It is necessary to use a line protection structure to protect the lines in the high-voltage gas-filled cabinet to avoid damage to the lines.

[0003] Among them, the "a line protection structure and a high-voltage distribution cabinet" disclosed in the application number "CN202222880582.X" is also an increasingly mature technology, including a protective shell and a water-absorbing sponge. The surface of the protective shell is provided with heat dissipation holes, and a protective plate is arranged inside the protective shell. The surface of the protective plate is provided with through grooves, and the surface of the water-absorbing sponge is provided with grooves. The utility model is provided with a fixing plate, a water-absorbing sponge, a connecting plate and a filter net inside the protective shell, which can absorb water vapor from the outside air inside the protective shell through the water-absorbing sponge, and can filter dust in the outside air through the filter net, thereby preventing dust and water vapor from entering the cabinet and interfering with the normal operation of the circuit, and through the setting of the fixing column, the mounting foot and the connecting component, the protective shell and the cabinet, the protective shell and the fixing plate can be disassembled respectively, thereby facilitating the cleaning of the water-absorbing sponge and the filter net, so as to facilitate the subsequent continuous protection of the circuit. After further retrieval, the "circuit protection structure" disclosed in the application number "CN202222063021.0" includes a device body, a transparent cover, a wiring body, two sets of heat dissipation A net and multiple groups of connecting wires, multiple groups of connecting tubes are arranged inside the wiring body, the ends of the connecting wires are inserted into the interior of the connecting tubes, multiple groups of fixing plates are arranged on the wiring body, screws are arranged on the fixing plates, the working ends of the screws pass through the fixing plates and extend to the surfaces of the connecting wires, and a protective mechanism is arranged at the bottom of the device body, the protective mechanism includes two groups of convex plates, a first mounting plate and a second mounting plate; the utility model uses the designed protective mechanism to block and protect the gap between the connecting wire and the connecting tube during use, prevent dust and the like from entering the interior of the connecting tube along the gap during use, causing poor contact between the connecting wire and the connecting tube, and increase the protective effect of the electrical fire-proof and current-limiting protector on the circuit of the electrical equipment.

[0004] However, the above method still has the following defects in actual use: there are many electrical appliances in the high-voltage gas charging cabinet, the circuits are complicated, and the circuits are too long to be organized in order, resulting in damage to the circuits due to pulling. Therefore, the utility model provides a high-voltage gas charging cabinet circuit protection structure. Summary of the invention

[0005] The utility model aims to provide a high-pressure gas cabinet line protection structure to solve the problem in the above background technology that the lines are too long to be arranged in order, resulting in the lines being damaged due to pulling.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-pressure inflatable cabinet line protection structure, including a cabinet body, the front side of the cabinet body is connected to a cabinet door by a hinge, two fixed plates are connected to the bottom of the inner walls on both sides of the cabinet body, every two of the fixed plates on one side form a group, a sliding rod is connected between the two groups of fixed plates, both sides of the outer wall of the sliding rod are slidably connected with a movable seat, every two corresponding movable seats form a group, a wire management plate is provided between the two groups of movable seats, the top and bottom ends of the wire management plate are provided with wire management grooves, the inner side of the wire management groove is snap-connected with a rubber pad, and a dehumidification mechanism is provided at the bottom of the cabinet body.

[0007] As a preferred technical solution of the utility model, a bidirectional screw rod is rotatably connected between the two groups of fixed plates via bearings, and the outer wall of the bidirectional screw rod is threadedly connected to the middle part of the movable seat.

[0008] As a preferred technical solution of the utility model, the front sides of the two fixed plates are connected with a mounting frame, a driving motor is arranged inside the mounting frame, one end of the two bidirectional screw rods respectively penetrates the front sides of the two fixed plates, and one end of the bidirectional screw rods is connected to the transmission shaft of the driving motor.

[0009] As a preferred technical solution of the utility model, a card slot is provided on the outer side of the rubber pad, and the card slot is engaged and connected with the inner side of the wire management slot.

[0010] As a preferred technical solution of the utility model, the top of one side and the bottom of one side of the movable seat are connected to connecting plates, the middle of both sides of the wiring board are connected to assembly plates, every two connecting plates located on the same movable seat form a group, and the four assembly plates are respectively arranged between the four groups of connecting plates.

[0011] As a preferred technical solution of the utility model, a screw is threadedly connected to the middle of the connecting plate, and the screw passes through the connecting plate. The top and bottom ends of the assembly plate are both provided with threaded holes, and one end of the screw is threadedly connected to the threaded hole.

[0012] As a preferred technical solution of the utility model, the dehumidification mechanism includes a fixed frame and a drying box, the fixed frame is arranged at the bottom of the cabinet, a mesh plate is provided inside the fixed frame, and the drying box is slidably connected to the bottom of the cabinet.

[0013] As a preferred technical solution of the utility model, the front of the drying box is connected to a sealing plate, the back of the sealing plate is connected to a sealing gasket, both sides of the sealing plate are connected to two fixing blocks, and the fixing blocks are connected to the bottom of the front of the cabinet through fastening bolts.

[0014] Compared with the related art, the high-pressure gas cabinet line protection structure provided by the utility model has the following beneficial effects:

[0015] Through the cooperation of two cable management boards, the lines in the high-pressure inflatable cabinet are wound and organized in an orderly manner. Through the cooperation of the moving seat and the sliding rod, the distance between the two cable management boards is adjusted according to the length of the line, so that the overly long lines can pass through the cable management grooves on the two cable management boards, and the overly long lines are organized in an orderly manner to prevent the lines from being messy and to avoid damage to the lines caused by pulling them. Through the cooperation of the cable management grooves and rubber pads, the lines are further protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the exploded structure of the cable management board of the utility model;

[0019] Figure 4 It is a schematic diagram of the explosion structure of the dehumidification mechanism of the utility model.

[0020] In the figure: 1. cabinet body; 2. cabinet door; 3. fixing plate; 4. dehumidification mechanism; 5. movable seat; 6. cable management plate; 7. cable management groove; 8. rubber pad; 9. slide rod; 10. bidirectional screw rod; 11. mounting frame; 12. drive motor; 13. slot; 14. connecting plate; 15. assembly plate; 16. screw rod; 17. threaded hole; 401. fixing frame; 402. mesh plate; 403. drying box; 404. sealing plate; 405. sealing gasket; 406. fixing 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. Example

[0022] See also Figure 1-4 The utility model provides a high-pressure inflatable cabinet line protection structure, including a cabinet 1, the front of the cabinet 1 is connected with a cabinet door 2 by a hinge, the bottom of the inner walls on both sides of the cabinet 1 are fixedly connected with two fixed plates 3, each two fixed plates 3 located on one side form a group, and the two groups of fixed plates 3 are fixedly connected with a slide bar 9, and the slide bar 9 is provided with four, which are respectively located at the top and bottom of the two groups of fixed plates 3. Both sides of the outer wall of the slide bar 9 are slidably connected with a moving seat 5, and each two corresponding moving seats 5 form a group. A wire arranging plate 6 is fixedly arranged between the two groups of moving seats 5, and the moving seat 5 drives the wire arranging plate 6 to move, so as to adjust the distance between the two wire arranging plates 6 according to the length of the line. The top and bottom ends of the wire arranging plate 6 are provided with a wire arranging groove 7, and the inner side of the wire arranging groove 7 is connected with a rubber pad 8, and the rubber pad 8 protects the wound line to prevent the line from being scratched. A dehumidification mechanism 4 is provided at the bottom of the cabinet 1;

[0023] A bidirectional screw rod 10 is rotatably connected between the two sets of fixed plates 3 through bearings, and the outer wall of the bidirectional screw rod 10 is threadedly connected to the middle part of the movable seat 5. Under the thread cooperation between the bidirectional screw rod 10 and the movable seat 5, the two corresponding movable seats 5 move toward each other at the same time, thereby facilitating the adjustment of the position of the cable management plate 6;

[0024] The front sides of the two fixing plates 3 are fixedly connected with a mounting frame 11, and a driving motor 12 is fixedly arranged inside the mounting frame 11. One end of two bidirectional screw rods 10 respectively penetrates the front sides of the two fixing plates 3, and one end of the bidirectional screw rods 10 is fixedly connected with the transmission shaft of the driving motor 12. The driving motor 12 is started to provide power for the bidirectional screw rods 10.

[0025] A slot 13 is provided on the outer side of the rubber pad 8, and the slot 13 is engaged with the inner side of the cable management slot 7. The engagement of the slot 13 with the cable management slot 7 facilitates the regular replacement of the worn rubber pad 8.

[0026] The top of one side of the movable seat 5 and the bottom of one side are both fixedly connected with connecting plates 14, and the middle of both sides of the cable management plate 6 are both fixedly connected with assembly plates 15. Every two connecting plates 14 located on the same movable seat 5 form a group, and four assembly plates 15 are respectively fixedly arranged between the four groups of connecting plates 14, and the two corresponding connecting plates 14 locate the installation position of the assembly plates 15;

[0027] The middle part of the connecting plate 14 is threadedly connected with a screw rod 16, which penetrates the connecting plate 14. The top and bottom ends of the assembly plate 15 are both provided with threaded holes 17, one end of the screw rod 16 is threadedly connected with the threaded hole 17, and the screw rod 16 is rotated to fix the cable management plate 6 between the two corresponding movable seats 5;

[0028] Specifically, first, two drive motors 12 are started at the same time to rotate the bidirectional screw rod 10. Under the thread cooperation between the bidirectional screw rod 10 and the movable seat 5, the movable seat 5 drives the wire management plate 6 to move, so that the distance between the two wire management plates 6 can be adjusted according to the length of the line, and the lines in the high-pressure inflatable cabinet can be organized in order. Example

[0029] The dehumidification mechanism 4 includes a fixed frame 401 and a drying box 403. The fixed frame 401 is fixedly arranged at the bottom of the cabinet 1. A mesh plate 402 is fixedly arranged inside the fixed frame 401. The drying box 403 is slidably connected to the bottom of the cabinet 1. Through the fixed frame 401 and the mesh plate 402, the moisture in the cabinet 1 can enter the drying box 403, dehumidify the high-pressure inflatable cabinet, prevent the line from being damaged by moisture, and protect the line.

[0030] The front of the drying box 403 is fixedly connected with a sealing plate 404, and the back of the sealing plate 404 is fixedly connected with a sealing gasket 405, and the sealing gasket 405 improves the sealing performance between the drying box 403 and the cabinet 1. Two fixing blocks 406 are fixedly connected to both sides of the sealing plate 404, and the fixing blocks 406 are fixedly connected to the bottom of the front of the cabinet 1 through fastening bolts. The drying box 403 can be taken out through the fixing blocks 406 to replace the desiccant in the drying box 403;

[0031] Specifically, first put the desiccant into the drying box 403, then push the drying box 403 into the bottom of the cabinet 1 until the sealing plate 404 is in contact with the front of the cabinet 1, and then connect the fixing block 406 to the cabinet 1 by tightening bolts, thereby fixing the sealing plate 404 and the drying box 403.

[0032] When in use, firstly, two driving motors 12 are started at the same time to rotate the bidirectional screw rod 10, and the moving seat 5 is moved linearly under the thread cooperation of the bidirectional screw rod 10 and the moving seat 5, driving the wire arranging plate 6 to move, so that the distance between the two wire arranging plates 6 can be adjusted according to the length of the line, and then the lines in the high-pressure inflatable cabinet are passed through the wire arranging grooves 7 on the two wire arranging plates 6 and wound around the two wire arranging plates 6, so that the overlong lines are orderly arranged to prevent the lines from being cluttered and the lines from being damaged due to pulling, so as to protect the lines;

[0033] Next, put the desiccant into the drying box 403, and then push the drying box 403 into the bottom of the cabinet 1 until the sealing plate 404 is in contact with the front of the cabinet 1, squeeze the sealing gasket 405, improve the sealing between the drying box 403 and the cabinet 1, and then connect the fixing block 406 to the cabinet 1 by tightening bolts, and then fix the sealing plate 404 and the drying box 403. The moisture in the cabinet 1 enters the drying box 403 from the fixing frame 401 and the mesh plate 402, and the desiccant removes the moisture to prevent the lines in the high-pressure inflatable cabinet from getting damp, thereby further protecting the lines.

[0034] 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-pressure gas cabinet line protection structure, comprising a cabinet body (1), characterized in that: The front of the cabinet (1) is connected to a cabinet door (2) via a hinge. The bottoms of the inner walls on both sides of the cabinet (1) are connected to two fixed plates (3). Every two fixed plates (3) located on one side form a group. A sliding rod (9) is connected between the two groups of fixed plates (3). Both sides of the outer walls of the sliding rod (9) are slidably connected to a movable seat (5). Every two corresponding movable seats (5) form a group. A wire management plate (6) is provided between the two groups of movable seats (5). The top and bottom ends of the wire management plate (6) are provided with wire management grooves (7). The inner side of the wire management groove (7) is snap-connected with a rubber pad (8). A dehumidification mechanism (4) is provided at the bottom of the cabinet (1).

2. A high-pressure gas cabinet line protection structure according to claim 1, characterized in that: A bidirectional screw rod (10) is rotatably connected between the two groups of fixed plates (3) via bearings, and the outer wall of the bidirectional screw rod (10) is threadedly connected to the middle part of the movable seat (5).

3. A high-pressure gas cabinet line protection structure according to claim 2, characterized in that: The front sides of two of the fixing plates (3) are connected to a mounting frame (11), a driving motor (12) is arranged inside the mounting frame (11), one end of the two bidirectional screw rods (10) respectively penetrates the front sides of the two fixing plates (3), and one end of the bidirectional screw rods (10) is connected to a transmission shaft of the driving motor (12).

4. A high-pressure gas cabinet line protection structure according to claim 1, characterized in that: A clamping groove (13) is provided on the outer side of the rubber pad (8), and the clamping groove (13) is clamped and connected with the inner side of the wire management groove (7).

5. A high-pressure gas cabinet line protection structure according to claim 1, characterized in that: The top of one side and the bottom of one side of the movable seat (5) are both connected to connecting plates (14), and the middle of both sides of the cable management plate (6) are both connected to assembly plates (15). Every two connecting plates (14) located on the same movable seat (5) form a group, and four assembly plates (15) are respectively arranged between four groups of connecting plates (14).

6. A high-pressure gas cabinet line protection structure according to claim 5, characterized in that: A screw rod (16) is threadedly connected to the middle of the connecting plate (14), and the screw rod (16) passes through the connecting plate (14). The top and bottom ends of the assembly plate (15) are both provided with threaded holes (17), and one end of the screw rod (16) is threadedly connected to the threaded hole (17).

7. A high-pressure gas cabinet line protection structure according to claim 1, characterized in that: The dehumidification mechanism (4) comprises a fixing frame (401) and a drying box (403); the fixing frame (401) is arranged at the bottom of the cabinet (1); a mesh plate (402) is arranged inside the fixing frame (401); and the drying box (403) is slidably connected to the bottom of the cabinet (1).

8. A high-pressure gas cabinet line protection structure according to claim 7, characterized in that: The front of the drying box (403) is connected to a sealing plate (404), the back of the sealing plate (404) is connected to a sealing gasket (405), and both sides of the sealing plate (404) are connected to two fixing blocks (406), and the fixing blocks (406) are connected to the bottom of the front of the cabinet (1) via fastening bolts.

Images