Remote control device for high-voltage fuse

Abstract

The utility model relates to the technical field of fuses, in particular to a remote control device for a high-voltage fuse, which comprises an insulator, an upper static contact, a lower static contact, a fuse tube, an upper moving contact and a lower moving contact. A remote control box is arranged in the middle of the insulator and faces the fuse tube, a driving mechanism used for driving the fuse tube to rotate with the rotating shaft as the axis is arranged on the side, facing the fuse tube, of the remote control box, a signal transceiver and a controller are arranged in the remote control box, and the driving mechanism and the signal transceiver are both electrically connected with the controller. The signal transceiver is electrically connected with a remote controller in a wireless mode, a signal is sent to the signal transceiver through the remote controller, the signal transceiver transmits the signal to the controller to be processed, the controller further controls the driving mechanism to drive the fuse tube to rotate with the rotating shaft as the axis, and then the fuse is controlled to be opened or closed through the remote controller in a remote mode.

Description

Technical Field

[0001] The utility model relates to the technical field of fuses, and particularly relates to a remote control device for a high-voltage fuse. Background Art

[0002] High-voltage drop fuses are installed between the high-voltage lines and transformers in the power grid to facilitate the maintenance and repair of transformer equipment and lines or the need for power curtailment. Ordinary high-voltage drop fuses generally consist of high-voltage porcelain insulators, fuse tubes, and high-voltage switch wiring. One end of the fuse tube is movably connected to the high-voltage switch wiring of the porcelain insulator, and the other end is connected to the porcelain insulator through a fuse movable hook ring. When using the high-voltage fuse, there will be operations of opening or closing the fuse to enable the staff to complete corresponding work. The opening or closing of the fuse is determined by the position states of the static contact connected to the high-voltage incoming line and the moving contact connected to the fuse tube. When the two are disconnected, it is in the open state, and when the two are closed, it is in the closed state.

[0003] In the prior art, when it is necessary for an operator to perform the opening or closing operation of the fuse, the operator needs to wear insulating boots and insulating gloves and use a special high-voltage insulating rod to manually push up or pull down. The operation is relatively troublesome and not convenient, and safety accidents are likely to occur. Especially when operating in bad weather such as rain, personal safety accidents are very likely to occur. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a remote control device for a high-voltage fuse, which solves the problems that when the prior art performs the opening or closing of the fuse, it requires manual operation by the operator, which is relatively troublesome and not convenient, and at the same time, safety accidents are likely to occur.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A remote control device for a high-voltage fuse includes an insulator and a fuse tube. Upper and lower ends of the insulator are respectively connected with an upper static contact and a lower static contact through stainless steel connectors. An upper moving contact is provided at the upper end of the fuse tube, a lower support is provided at the lower end of the fuse tube, and a lower moving contact is provided on the lower support. A fuse electrically connected to the upper moving contact and the lower moving contact at both ends is provided inside the fuse tube. The lower support is rotatably connected to the lower static contact through a rotating shaft, so that the lower moving contact and the upper moving contact are respectively electrically connected to the lower static contact and the upper static contact. A remote control box is provided in the middle of the insulator facing the fuse tube. A driving mechanism for driving the fuse tube to rotate around the rotating shaft is provided on one side of the remote control box facing the fuse tube. A signal transceiver and a controller are provided inside the remote control box. Both the driving mechanism and the signal transceiver are electrically connected to the controller, and the signal transceiver is wirelessly electrically connected to a remote controller.

[0007] A further technical solution is that the driving mechanism includes a servo motor, which is installed on the side of the remote control box facing the fuse tube. The output shaft of the servo motor is horizontally and laterally oriented towards the fuse tube, and the output shaft of the servo motor is drivingly connected to a laterally arranged sleeve. An internal thread is provided inside the sleeve, and a lead screw is threadedly connected inside the sleeve. One end of the lead screw away from the remote control box is rotatably connected to a sliding ring through a connecting block, and the sliding ring is movably sleeved outside the fuse tube.

[0008] A further technical solution is that the sliding ring includes a fixed half-ring and a movable half-ring. The outer side wall of the fixed half-ring is rotatably connected to the lead screw through a connecting block. One end of the fixed half-ring is rotatably connected to one end of the movable half-ring, and connection holes are provided at corresponding positions at the other end and the other end of the movable half-ring. Threads are provided on the inner walls of the two connection holes, and the two connection holes are connected by bolts.

[0009] A further technical solution is that the inner diameter of the sliding ring is larger than the outer diameter of the fuse tube.

[0010] A further technical solution is that a V-shaped movable groove penetrating both sides is provided at the top of the lower moving contact. The rotating shaft is rotatably placed at the bottom of the movable groove, and a supporting groove communicating with the movable groove is provided on the side of the lower moving contact away from the insulator.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: By setting a driving mechanism, a controller, a signal transceiver, and a remote control, a signal is sent from the remote control to the signal transceiver, and the signal transceiver transmits the signal to the controller for processing. The controller then controls the driving mechanism to drive the fuse tube to rotate around the rotating shaft, thereby realizing remote control of the fuse by the remote control to trip or close, without manual operation by the staff, and avoiding personal safety accidents during operation in bad weather. Brief Description of the Drawings

[0012] Figure 1 It is a schematic diagram of the closing structure of a remote control device for a high-voltage fuse according to the present utility model.

[0013] Figure 2 It is a schematic diagram of the tripping structure of a remote control device for a high-voltage fuse according to the present utility model.

[0014] Figure 3 It is a top view cross-sectional view of the sliding ring, lead screw, and sleeve according to the present utility model.

[0015] Icon: 1 - insulator, 2 - stainless steel connecting piece, 3 - upper static contact, 4 - lower static contact, 5 - upper moving contact, 6 - lower moving contact, 7 - lower support, 9 - rotating shaft, 10 - remote control box, 11 - servo motor, 12 - bushing, 13 - lead screw, 14 - connecting block, 15 - sliding ring, 16 - fixed half ring, 17 - movable half ring, 18 - connecting hole, 19 - bolt, 20 - movable slot, 21 - supporting slot, 22 - fuse tube. Detailed implementation

[0016] In order to make the purpose, technical solution and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0017] Embodiment:

[0018] Refer to Figure 1 、 Figure 2 As shown, a remote control device for a high - voltage fuse of the present utility model includes an insulator 1 and a fuse tube 22. Both the upper and lower ends of the insulator 1 are respectively connected with an upper static contact 3 and a lower static contact 4 through stainless steel connecting pieces 2. The upper end of the fuse tube 22 is provided with an upper moving contact 5, the lower end of the fuse tube 22 is provided with a lower support 7, and a lower moving contact 6 is provided on the lower support 7. A fuse electrically connected to the upper moving contact 5 and the lower moving contact 6 at both ends is arranged inside the fuse tube 22. The lower support 7 is rotatably connected to the lower static contact 4 through a rotating shaft 9, so that the lower moving contact 6 and the upper moving contact 5 are respectively electrically connected to the lower static contact 4 and the upper static contact 3. A remote control box 10 is arranged in the middle of the insulator 1 facing the fuse tube 22. A driving mechanism for driving the fuse tube 22 to rotate around the rotating shaft 9 is arranged on one side of the remote control box 10 facing the fuse tube 22. A signal transceiver and a controller are arranged inside the remote control box 10. Both the driving mechanism and the signal transceiver are electrically connected to the controller. The signal transceiver is wirelessly electrically connected to a remote controller. In the actual use process, by setting the driving mechanism, the controller, the signal transceiver and the remote controller, a signal is sent from the remote controller to the signal transceiver, the signal transceiver transmits the signal to the controller for processing, and the controller then controls the driving mechanism to drive the fuse tube 22 to rotate around the rotating shaft 9, so that the lower moving contact 6 and the upper moving contact 5 are respectively brought into contact electrical connection or separation with the lower static contact 4 and the upper static contact 3, thereby realizing remote control of the fuse to close or open through the remote controller, without manual operation by the staff, and avoiding personal safety accidents during operation in bad weather.

[0019] Refer to Figures 1 to 3It is shown that the driving mechanism includes a servo motor 11. The servo motor 11 is installed on one side of the remote control box 10 facing the fuse tube 22. The output shaft of the servo motor 11 is horizontally and laterally oriented towards the fuse tube 22, and the output shaft of the servo motor 11 is drivingly connected to a laterally arranged sleeve 12. An internal thread is provided inside the sleeve 12, and a lead screw 13 is threadedly connected inside the sleeve 12. One end of the lead screw 13 away from the remote control box 10 is rotatably connected to a sliding ring 15 through a connecting block 14. The sliding ring 15 is movably sleeved outside the fuse tube 22. During actual use, the controller controls the rotation direction of the servo motor 11. When a circuit breaker is required, the output shaft of the servo motor 11 drives the sleeve 12 to rotate forward. The sleeve 12 engages with the lead screw 13 through thread, and then the lead screw 13 pushes the sliding ring 15. The sliding ring 15 slides outside the fuse tube 22 and pushes the fuse tube 22, so that the fuse tube 22 rotates around the rotating shaft 9, the upper static contact 3 is separated from the upper moving contact 5, and the lower static contact 4 is separated from the lower moving contact 6, thus completing the circuit breaker. When a switch-on is required, the output shaft of the servo motor 11 drives the sleeve 12 to rotate in the reverse direction. The sleeve 12 engages with the lead screw 13 through thread, and then the lead screw 13 pulls the sliding ring 15. The sliding ring 15 slides outside the fuse tube 22 and pulls the fuse tube 22, so that the fuse tube 22 rotates around the rotating shaft 9, the upper static contact 3 is in contact with the upper moving contact 5 for electrical connection, and the lower static contact 4 is in contact with the lower moving contact 6 for electrical connection, thus completing the switch-on; one end of the lead screw 13 away from the remote control box 10 is rotatably connected to the sliding ring 15 through a connecting block 14, ensuring that when the lead screw 13 moves to push or pull the sliding ring 15, the sliding ring 15 rotates relative to the end of the lead screw 13, and then the sliding ring 15 smoothly slides outside the fuse tube 22, thereby pushing or pulling the fuse tube 22.

[0020] Refer to Figure 3 It is shown that the sliding ring 15 includes a fixed half-ring 16 and a movable half-ring 17. The outer wall of the fixed half-ring 16 is rotatably connected to the lead screw 13 through a connecting block 14. One end of the fixed half-ring 16 is rotatably connected to one end of the movable half-ring 17, and connecting holes 18 are provided at corresponding positions at the other ends of the fixed half-ring 16 and the movable half-ring 17. Threads are provided on the inner walls of the two connecting holes 18, and the two connecting holes 18 are connected by bolts 19. By providing the fixed half-ring 16 and the movable half-ring 17, when the fuse tube 22 needs to be replaced, only the bolt 19 connected to the connecting hole 18 needs to be removed, and the movable half-ring 17 can be rotated open, so as to facilitate the removal of the sliding ring 15 from the outside of the fuse tube 22. At the same time, during installation, only the fuse tube 22 needs to be installed between the fixed half-ring 16 and the movable half-ring 17, and then the two connecting holes 18 are connected by bolts 19, thus realizing the sliding sleeve of the sliding ring 15 outside the fuse tube 22.

[0021] The inner ring diameter of the sliding ring 15 is larger than the outer ring diameter of the fuse tube 22, ensuring that when the lead screw 13 smoothly pushes or pulls the sliding ring 15, the sliding ring 15 can smoothly slide outside the fuse tube 22, thereby realizing pushing or pulling the fuse tube 22 to rotate around the rotating shaft 9.

[0022] Refer to Figure 1 、 Figure 2 As shown, a V-shaped movable groove 20 penetrating both sides is formed at the top of the lower moving contact 6, and the rotating shaft 9 is rotatably placed at the bottom of the movable groove 20. A supporting groove 21 communicating with the movable groove 20 is formed on the side of the lower moving contact 6 away from the insulator 1. By providing the movable groove 20, it is convenient for the fuse tube 22 to be detachably connected to the lower static contact 4 through the rotating shaft 9. By providing the supporting groove 21, it is ensured that the fuse tube 22 can rotate smoothly when driven by the driving mechanism around the rotating shaft 9.

[0023] Although the present invention has been described herein with reference to multiple illustrative embodiments of the present invention, it should be understood that those skilled in the art can design many other modifications and embodiments that will fall within the scope and spirit of the principles disclosed in this application. More specifically, within the scope of this application's disclosure, the accompanying drawings, and the claims, various variations and improvements can be made to the components and / or layout of the subject combination layout. In addition to the variations and improvements made to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A remote control device for a high-voltage fuse, comprising an insulator (1) and a fuse tube (22), wherein the upper and lower ends of the insulator (1) are respectively connected to an upper static contact (3) and a lower static contact (4) through a stainless steel connector (2), the upper end of the fuse tube (22) is provided with an upper moving contact (5), the lower end of the fuse tube (22) is provided with a lower support (7), the lower support (7) is provided with a lower moving contact (6), the fuse tube (22) is provided with a fuse at both ends electrically connected to the upper moving contact (5) and the lower moving contact (6), the lower support (7) is rotatably connected to the lower static contact (4) through a rotating shaft (9), so that the lower moving contact (6) and the upper moving contact (5) are respectively electrically connected to the lower static contact (4) and the upper static contact (3), characterized in that: A remote control box (10) is provided in the middle of the insulator (1) towards the fuse tube (22); a driving mechanism for driving the fuse tube (22) to rotate about the rotating shaft (9) is provided on one side of the remote control box (10) facing the fuse tube (22); a signal transceiver and a controller are provided inside the remote control box (10); the driving mechanism and the signal transceiver are both electrically connected to the controller; and the signal transceiver is wirelessly connected to a remote controller; The driving mechanism comprises a servo motor (11), the servo motor (11) being mounted on a side of the remote control box (10) facing the fuse tube (22), the output shaft of the servo motor (11) being arranged horizontally and laterally facing the fuse tube (22), and the output shaft of the servo motor (11) being drivingly connected to a sleeve (12) arranged laterally, the sleeve (12) having an internal thread, the sleeve (12) having an internal thread connected to a lead screw (13), the end of the lead screw (13) away from the remote control box (10) being rotatably connected to a sliding ring (15) via a connecting block (14), the sliding ring (15) being movably sleeved on the outside of the fuse tube (22).

2. A remote control device for a high voltage fuse according to claim 1, characterized in that: The sliding ring (15) comprises a fixed half ring (16) and a movable half ring (17); the outer wall of the fixed half ring (16) is rotatably connected to the screw rod (13) via the connecting block (14); one end of the fixed half ring (16) is rotatably connected to one end of the movable half ring (17); the other end and the other end of the movable half ring (17) are both provided with connecting holes (18) at positions corresponding to each other; the inner walls of the two connecting holes (18) are both provided with threads; and the two connecting holes (18) are connected via bolts (19).

3. A remote control device for a high voltage fuse according to claim 1, characterized in that: The inner ring diameter of the sliding ring (15) is larger than the outer ring diameter of the fuse tube (22).

4. A remote control device for a high voltage fuse according to claim 1, characterized in that: The top of the lower moving contact (6) is provided with a V-shaped movable groove (20) penetrating through both sides thereof, the rotating shaft (9) is rotatably disposed at the bottom of the movable groove (20), and a bracket groove (21) connected to the movable groove (20) is provided on a side of the lower moving contact (6) away from the insulator (1).

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