Anti-interference shielding structure of high-voltage switch

Abstract

The utility model relates to the high-voltage switch field, and discloses a high-voltage switch anti-interference shielding structure comprising two housings, high-voltage switch bodies are fixedly embedded in the two housings, top openings and bottom openings of the housings are in sealed plugging connection with sealing covers, opposite sides of the two housings are fixedly connected with two connecting plates, and the two connecting plates are fixedly connected with the high-voltage switch bodies. Wiring pipes are fixedly connected to the bottom and the bottom of the high-voltage switch body, sliding rods are slidably connected to the two sides of each wiring pipe in a penetrating mode, and wire clamping blocks are fixedly connected to the opposite ends of the two sliding rods. The high-voltage switch is simple to use, the high-voltage switch body is installed in the shell to effectively isolate interference, the shell is made of aluminum alloy, conductivity and mechanical strength are both considered, a copper net can be lined in a high-voltage area to enhance electric field shielding, and a circuit board is directly installed in a metal shielding box, so that the high-voltage switch is convenient to use. In this way, module-level shielding can be carried out, and independent operation can be conveniently carried out.

Description

Technical Field

[0001] This utility model relates to the field of high-voltage switches, specifically to an anti-interference shielding structure for high-voltage switches. Background Technology

[0002] A high-voltage switch is an electrical device used in high-voltage power systems. It is mainly used to connect and disconnect circuits and isolate power sources. Its core functions include: control circuit: under normal operating conditions, the high-voltage switch can close and open circuits to ensure the normal operation of the power system; protection system: in abnormal situations (such as short circuits), the high-voltage switch can quickly cut off the current to prevent equipment damage and personal injury.

[0003] In the prior art, high-voltage switches are directly installed externally and lack shielding measures. Because there may be cables with different current values ​​among several cables in the same direction, they will interfere with each other and affect current transmission. Therefore, those skilled in the art have provided anti-interference shielding structures for high-voltage switches to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to provide an anti-interference shielding structure for high-voltage switches to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-voltage switch anti-interference shielding structure, comprising two outer shells, each containing a high-voltage switch body. The top and bottom openings of each outer shell are sealed with sealing caps. Two connecting plates are fixedly connected to opposite sides of the two outer shells. A wiring conduit is fixedly connected to the bottom and bottom of each high-voltage switch body. Sliding rods are slidably connected to both sides of the wiring conduit. A wire clamping block is fixedly connected to one end of each sliding rod facing away from the wire clamping block. A spring is sleeved on the outer wall of each sliding rod. One end of the spring is fixedly connected to the end of the sliding rod away from the wire clamping block, and the other end of the spring is fixedly connected to the outer wall of the wiring conduit.

[0006] As a further embodiment of this utility model: a metal shielding box is fixedly connected between the two outer shells. Multiple mounting blocks are arranged in a vertical array on the inner wall of the metal shielding box. Two mounting plates are symmetrically fixedly connected to the top of the metal shielding box, and the same damping shaft is rotatably connected to the opposite side of the two mounting plates. A flip cover that seals and fits tightly to the opening of the metal shielding box is fixedly connected to the outer wall of the damping shaft.

[0007] As a further improvement of this utility model: each of the two outer shells has a through hole on its opposite side, and the two through holes are connected to the metal shielding box.

[0008] As a further improvement of this utility model: two rectangular holes are provided on opposite sides of the two outer shells, and the two rectangular holes are located between the two connecting plates.

[0009] As a further improvement of this utility model: observation windows are fixedly embedded on both sides of the outer shell, and the observation windows are made of double-layer wire-reinforced conductive glass.

[0010] As a further improvement of this utility model: the outer shell is made of aluminum alloy, and teeth are provided on the opposite side of the two clamping blocks. Two through holes are symmetrically opened on the outer wall of the wiring tube, and the two through holes are slidably connected to the two sliding rods.

[0011] As a further improvement of this utility model: the top and bottom of the outer shell are provided with openings, and two sealing caps are respectively sealed and inserted into the two openings.

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

[0013] The flip-top cover opens the metal shielding box, allowing the circuit board to be attached to multiple mounting blocks. The circuit board can be secured to the mounting blocks by screws. Cables can pass through the through holes on both sides of the circuit board and connect to the high-voltage switch body inside the casing. External cables can enter through two rectangular holes and then connect to the wiring conduit. Two wire clamping blocks are provided on both sides of the wiring conduit. Two springs will drive two sliding rods to move closer together through the spring force. The two sliding rods will push the two wire clamping blocks closer together, and the two wire clamping blocks will clamp and fix the two ends of the cable after they move closer together.

[0014] This utility model is simple to use. The high-voltage switch body is installed inside the housing, which can effectively isolate interference. Moreover, the housing is made of aluminum alloy, which takes into account both conductivity and mechanical strength. In high-voltage areas, a copper mesh can be lined inside to enhance electric field shielding. The circuit board is directly installed in the metal shielding box, which allows for module-level shielding and facilitates individual operation. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the entire utility model;

[0016] Figure 2 This is a three-dimensional schematic diagram of the wiring conduit in this utility model;

[0017] Figure 3 This is a three-dimensional schematic diagram of the high-voltage switch body of this utility model;

[0018] Figure 4 This is a three-dimensional schematic diagram of the metal shielding box in this utility model.

[0019] In the diagram: 1. Outer casing; 2. Sealing cover; 3. Observation window; 4. Metal shielding box; 5. Mounting plate; 6. Flip cover; 7. Damping shaft; 8. Connecting plate; 9. Rectangular hole; 10. Wiring pipe; 11. Wire clamp block; 12. Spring; 13. Sliding rod; 14. High-voltage switch body; 15. Through hole; 16. Mounting block; 17. Through hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-4 In this embodiment of the utility model, the high-voltage switch anti-interference shielding structure includes two outer shells 1, and a high-voltage switch body 14 is fixedly embedded in each of the two outer shells 1. The top opening and bottom opening of the outer shell 1 are sealed with sealing caps 2. Two connecting plates 8 are fixedly connected to opposite sides of the two outer shells 1. A wiring tube 10 is fixedly connected to the bottom and bottom of the high-voltage switch body 14. Sliding rods 13 are slidably connected through both sides of the wiring tube 10. A wire clamping block 11 is fixedly connected to the opposite end of the two sliding rods 13. A spring 12 is sleeved on the outer wall of the sliding rod 13. One end of the spring 12 is fixedly connected to the end of the sliding rod 13 away from the wire clamping block 11, and the other end of the spring 12 is fixedly connected to the outer wall of the wiring tube 10. The two springs 12 will drive the two sliding rods 13 to move closer to each other through the elastic force of the springs 12. The two sliding rods 13 will push the two wire clamping blocks 11 to move closer. After the two wire clamping blocks 11 move closer to each other, they will clamp the two ends of the cable and fix them, thereby preventing the cable from moving inside the outer shell 1.

[0022] In this embodiment, a metal shielding box 4 is fixedly connected between the two outer shells 1. Multiple mounting blocks 16 are arranged vertically in an array on the inner wall of the metal shielding box 4. Two mounting plates 5 are symmetrically fixedly connected to the top of the metal shielding box 4, and the same damping shaft 7 is rotatably connected to the opposite side of the two mounting plates 5. A flip cover 6 that is sealed and fits tightly to the opening of the metal shielding box 4 is fixedly connected to the outer wall of the damping shaft 7.

[0023] In this embodiment, each of the two outer shells 1 has a through hole 17 on one side opposite to the other, and the two through holes 17 are connected to the metal shielding box 4.

[0024] In this embodiment, two rectangular holes 9 are provided on opposite sides of the two outer shells 1, and the two rectangular holes 9 are located between the two connecting plates 8. Flipping the flip cover 6 can open the opening of the metal shielding box 4, and the circuit board can be attached to multiple mounting blocks 16. The circuit board can be fixed to the mounting blocks 16 by passing through screws. The through holes 17 on both sides of the circuit board can be used to pass cables and connect to the high voltage switch body 14 inside the outer shell 1. External cables can enter through the two rectangular holes 9.

[0025] In this embodiment, observation windows 3 are fixedly embedded on both sides of the outer shell 1, and the observation windows 3 are made of double-layer wire-reinforced conductive glass.

[0026] In this embodiment, the outer shell 1 is made of aluminum alloy, and teeth are provided on the opposite side of the two clamping blocks 11. Two through holes 15 are symmetrically opened on the outer wall of the wiring pipe 10, and the two through holes 15 are slidably connected to the two sliding rods 13.

[0027] In this embodiment, the top and bottom of the outer casing 1 are provided with openings, and the two sealing caps 2 are respectively sealed and inserted into the two openings.

[0028] The working principle of this utility model is as follows: Flipping the flip cover 6 opens the opening of the metal shielding box 4. The circuit board can be attached to multiple mounting blocks 16. The circuit board can be fixed to the mounting blocks 16 by passing through screws. The through holes 17 on both sides of the circuit board can pass through cables and connect to the high-voltage switch body 14 inside the housing 1. External cables can enter through two rectangular holes 9 and then connect to the wiring pipe 10. Two clamping blocks 11 are set on both sides of the wiring pipe 10. Two springs 12 will drive two sliding rods 13 to move closer to each other through the elastic force of the springs 12. The two sliding rods 13 will push the two clamping blocks 11 closer to each other. After the two clamping blocks 11 move closer to each other, they will clamp the two ends of the cable and fix them, thereby preventing the cable from moving inside the housing 1. The condition inside the housing 1 can be observed through the observation window 3. The housing 1 is made of aluminum alloy, which is relatively lightweight and low cost, thus taking into account both conductivity and mechanical strength. The high-voltage area can be lined with copper mesh to enhance electric field shielding. Opening the two sealing covers 2 allows operation of the high-voltage switch body 14 inside the housing 1.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. High-voltage switch anti-interference shielding structure comprising two housings (1), characterized in that: High-voltage switch bodies (14) are fixedly embedded in both of the two housings (1). The top and bottom openings of the housings (1) are sealed with sealing caps (2). Two connecting plates (8) are fixedly connected to opposite sides of the two housings (1). A wiring tube (10) is fixedly connected to the bottom and bottom of the high-voltage switch body (14). A sliding rod (13) is slidably connected through both sides of the wiring tube (10). A wire clamping block (11) is fixedly connected to the opposite end of the two sliding rods (13). A spring (12) is sleeved on the outer wall of the sliding rod (13). One end of the spring (12) is fixedly connected to the end of the sliding rod (13) away from the wire clamping block (11). The other end of the spring (12) is fixedly connected to the outer wall of the wiring tube (10).

2. The high voltage switch anti-interference shielding structure according to claim 1, characterized in that: The two outer shells (1) are fixedly connected to the same metal shielding box (4). Multiple mounting blocks (16) are arranged vertically on the inner wall of the metal shielding box (4). Two mounting plates (5) are symmetrically fixedly connected to the top of the metal shielding box (4). The two mounting plates (5) are rotatably connected to the same damping shaft (7) on opposite sides. A flip cover (6) that seals and fits tightly to the opening of the metal shielding box (4) is fixedly connected to the outer wall of the damping shaft (7).

3. The high voltage switch anti-interference shielding structure according to claim 2, characterized in that: Each of the two outer shells (1) has a through hole (17) on one side opposite to the other, and the two through holes (17) are connected to the metal shielding box (4).

4. The high-voltage switch anti-interference shielding structure according to claim 1, characterized in that: Two rectangular holes (9) are provided on opposite sides of the two outer shells (1), and the two rectangular holes (9) are located between the two connecting plates (8).

5. The high-voltage switch anti-interference shielding structure according to claim 1, characterized in that: Both sides of the outer shell (1) are fixedly fitted with observation windows (3), and the observation windows (3) are made of double-layer wire-reinforced conductive glass.

6. The high-voltage switch anti-interference shielding structure according to claim 1, characterized in that: The outer shell (1) is made of aluminum alloy, and teeth are provided on the opposite side of the two clamping blocks (11). Two through holes (15) are symmetrically opened on the outer wall of the connector (10), and the two through holes (15) are slidably connected to the two sliding rods (13).

7. The high-voltage switch anti-interference shielding structure according to claim 1, characterized in that: The top and bottom of the outer casing (1) are provided with openings, and two sealing caps (2) are respectively sealed and inserted into the two openings.

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