Current detection device of current transformer

Abstract

The utility model relates to the technical field of current transformers, and discloses a current detection device for a current transformer, which is characterized in that a rotating head is rotated to enable a rotating shaft to rotate, the rotating shaft rotates to drive a swing rod to rotate, the swing rod rotates to drive a transmission block to rotate, the transmission block rotates to drive a transmission plate to move, and the transmission plate moves to drive a transmission rod to move. By means of the mode that a transmission rod moves to drive a sliding rod to move, the sliding rod moves to drive a clamping head to move, the clamping head is disengaged from a clamping hole, and a cover plate is taken down for overhauling, the purpose of facilitating overhauling can be achieved, the workload is reduced, and the working efficiency is improved; the triangular groove descends to enable the pressing rod to move, the pressing rod moves to drive the pressing plate to move, and the pressing plate moves to press the plug, so that the purpose of preventing looseness can be achieved, the stability of connection between the plug and the jack is ensured, and the detection precision is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of current transformers, in particular to a current transformer current detection device. Background Art

[0002] After searching Chinese patents, the publication number is: CN219957844U, a current detection device for a current transformer, belonging to the technical field of current transformers, including a bottom shell and a detector fixedly installed in the inner cavity of the bottom shell, one side of the top wall of the bottom shell is connected to a cover plate through multiple hinges, and one side of the cover plate is fixedly connected to a handle, four sides of the inner cavity of the bottom shell are formed with mounting grooves, and humidity sensors are installed in the four mounting grooves, one side wall of the bottom shell is installed with a mounting plate, and an audible and visual alarm and a controller are installed on the mounting plate, and the audible and visual alarm and four humidity sensors are coupled and connected to the controller. The current detection device for a current transformer, by arranging humidity sensors in the four mounting grooves of the top wall of the bottom shell, when the humidity reaches the threshold value of the detector, the humidity sensor transmits an electrical signal to the controller, so that the controller drives the audible and visual alarm, thereby reminding personnel to handle it, reducing the probability of the detector being damaged by moisture.

[0003] The existing detection device is not convenient for maintenance. Generally, when the detection device is being repaired, the cover plate on the detection device needs to be removed for maintenance. Generally, the cover plate and the detection device are fixed and installed by multiple screws. During maintenance, a screwdriver needs to be used to disassemble and assemble it. The disassembly and assembly process is relatively cumbersome, which increases the workload and reduces the efficiency of maintenance. It is inconvenient to use and does not have an anti-loosening function. Generally, the detection head of the detection device is connected to the jack on the detection device through a plug. During detection, the detection head needs to be moved frequently, which will loosen the plug and the jack, affecting the stability and detection accuracy of the detection, and is inconvenient to use. In order to solve the above-mentioned problems, we propose a current transformer current detection device. Utility Model Content

[0004] The utility model aims to provide a current transformer current detection device, which has the advantages of being easy to repair and having an anti-loosening function, and solves the problems that the existing detection device is inconvenient to repair and has no anti-loosening function.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a current transformer current detection device, comprising a current transformer field tester body, a box cover is hinged on the top of the current transformer field tester body, a cover plate is arranged between the inner walls of the current transformer field tester body, a rotating shaft is rotatably sleeved on the inner wall of the cover plate, a swing rod is bolted on the surface of the rotating shaft, a transmission block is bolted on the surface of the swing rod, a transmission plate is penetrated on the surface of the transmission block, and the transmission plate is slidably connected to the inner wall of the cover plate, a transmission rod is bolted on the surface of the transmission plate, and the other end of the transmission rod is bolted to A sliding rod is provided, a card joint is bolted on the surface of the sliding rod, a card hole is provided on the inner wall of the current transformer field tester body, and the card joint is carded with the card hole, a first spring is provided between the sliding rod and the inner wall of the cover plate, a fixing cylinder is bolted on the top of the current transformer field tester body, a rotating cylinder is threadedly connected on the surface of the fixing cylinder, a triangular groove is provided on the inner wall of the rotating cylinder, a clamping rod is slidably connected to the inner wall of the triangular groove, a limiting plate is fixedly sleeved on the surface of the clamping rod, a second spring is provided between the limiting plate and the inner wall of the fixing cylinder, and a clamping plate is bolted on one end of the clamping rod.

[0006] By adopting the above technical scheme, by rotating the rotating head, the rotation of the rotating head drives the rotation of the rotating shaft, the rotation of the rotating shaft drives the swing rod to rotate, the rotation of the swing rod drives the transmission block to rotate, the rotation of the transmission block drives the transmission plate to move, the movement of the transmission plate drives the transmission rod to move, the movement of the transmission rod drives the slide rod to move, the movement of the slide rod drives the card joint to move, so that the card joint and the card hole are disengaged, and the cover plate is removed for inspection, which can achieve the purpose of facilitating inspection, reduce workload, and improve work efficiency. After the plug and the socket are connected, the rotating cylinder is rotated, and the rotation of the rotating cylinder drives the triangular groove to descend, and the descending of the triangular groove causes the clamping rod to move, the movement of the clamping rod drives the clamping plate to move, and the clamping plate moves to clamp the plug, which can achieve the purpose of preventing loosening, ensure the stability of the connection between the plug and the socket, and ensure the accuracy of detection.

[0007] The utility model is further configured that one end of the rotating shaft is bolted with a rotating head.

[0008] By adopting the above technical solution and providing a rotating head, the rotating shaft can be easily rotated.

[0009] The utility model is further configured that one end of the clamping joint is wedge-shaped.

[0010] By adopting the above technical solution, one end of the card connector is set to be wedge-shaped, which facilitates the installation and fixing of the cover plate.

[0011] The utility model is further configured that the surface of the rotating cylinder is provided with anti-slip grooves.

[0012] By adopting the above technical solution, anti-skid patterns are provided to prevent hands from slipping and facilitate operation.

[0013] The utility model is further configured that a rubber pad is bonded to the surface of the pressing plate.

[0014] By adopting the above technical solution, the plug can be prevented from being crushed by arranging a rubber pad.

[0015] The utility model is further configured that a non-slip pad is bolted to the bottom of the current transformer field tester body.

[0016] By adopting the above technical solution, anti-skid pads are provided to prevent the device from sliding and ensure stability.

[0017] Compared with the prior art, the utility model provides a current transformer current detection device, which has the following beneficial effects:

[0018] 1. The utility model rotates the rotating head, the rotating head drives the rotating shaft to rotate, the rotating shaft drives the swing rod to rotate, the swing rod drives the transmission block to rotate, the transmission block drives the transmission plate to move, the transmission plate moves to drive the transmission rod, the transmission rod moves to drive the slide rod, the slide rod moves to drive the card joint to disengage the card joint from the card hole, and the cover plate is removed for maintenance, which can achieve the purpose of facilitating maintenance, reduce workload and improve work efficiency.

[0019] 2. The utility model prevents loosening by connecting the plug to the socket and rotating the rotating cylinder. The rotation of the rotating cylinder drives the triangular groove to descend. The descending of the triangular groove causes the clamping rod to move. The movement of the clamping rod drives the movement of the clamping plate. The movement of the clamping plate presses the plug, thereby ensuring the stability of the connection between the plug and the socket and the accuracy of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0021] Figure 2 It is a top view cross-sectional view of the structure of the utility model;

[0022] Figure 3 For this utility model Figure 1 A magnified view of the structure at center;

[0023] Figure 4 For this utility model Figure 2 Enlarged view of the structure at point B in the middle.

[0024] In the figure: 1. Current transformer field tester body; 2. Box cover; 3. Cover plate; 4. Rotating shaft; 5. Rocker arm; 6. Transmission block; 7. Transmission plate; 8. Transmission rod; 9. Sliding rod; 10. Card joint; 11. Card hole; 12. First spring; 13. Fixed cylinder; 14. Rotating cylinder; 15. Triangular groove; 16. Clamping rod; 17. Limiting plate; 18. Second spring; 19. Clamping plate; 20. Rotating head; 21. Anti-skid pattern; 22. Rubber pad; 23. Anti-skid pad. DETAILED DESCRIPTION

[0025] 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.

[0026] Embodiment 1:

[0027] See also Figure 1 , Figure 2 and Figure 4 A current transformer current detection device comprises a current transformer field tester body 1, the current transformer field tester body 1 is an HN13A type electronic transformer tester produced by Shanghai Shengxu Electric Co., Ltd., a box cover 2 is hinged on the top of the current transformer field tester body 1, a cover plate 3 is arranged between the inner walls of the current transformer field tester body 1, a rotating shaft 4 is rotatably sleeved on the inner wall of the cover plate 3, a swing rod 5 is bolted on the surface of the rotating shaft 4, a transmission block 6 is bolted on the surface of the swing rod 5, a transmission plate 7 is arranged on the surface of the transmission block 6, and the transmission plate 7 is slidably connected to the inner wall of the cover plate 3, a transmission rod 8 is bolted on the surface of the transmission plate 7, a sliding rod 9 is bolted on the other end of the transmission rod 8, and a sliding rod 9 is bolted on the surface of the sliding rod 9 A clamping joint 10 and a clamping hole 11 are provided on the inner wall of the current transformer field tester body 1, and the clamping joint 10 is clamped with the clamping hole 11, and a first spring 12 is arranged between the slide bar 9 and the inner wall of the cover plate 3. By rotating the rotating head 20, the rotating head 20 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the swing rod 5 to rotate, the swing rod 5 drives the transmission block 6 to rotate, the transmission block 6 drives the transmission plate 7 to move, the transmission plate 7 moves to drive the transmission rod 8 to move, the transmission rod 8 moves to drive the slide bar 9 to move, and the slide bar 9 moves to drive the clamping joint 10 to move, so that the clamping joint 10 is disengaged from the clamping hole 11, and the cover plate 3 is removed for maintenance, which can achieve the purpose of facilitating maintenance, reduce workload, and improve work efficiency.

[0028] See also Figure 2 One end of the rotating shaft 4 is bolted with a rotating head 20 , and the rotating shaft 4 is easily rotated by setting the rotating head 20 .

[0029] See also Figure 2 One end of the card connector 10 is wedge-shaped, and by setting one end of the card connector 10 to be wedge-shaped, it is convenient to install and fix the cover plate 3.

[0030] See also Figure 1 The bottom of the current transformer field tester body 1 is bolted with an anti-skid pad 23. By setting the anti-skid pad 23, the device is prevented from sliding and stability is ensured.

[0031] A brief description of the use process: rotate the rotating head 20, the rotating head 20 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the swing rod 5 to rotate, the swing rod 5 drives the transmission block 6 to rotate, the transmission block 6 drives the transmission plate 7 to move, the transmission plate 7 moves to drive the transmission rod 8 to move, the transmission rod 8 moves to drive the slide bar 9 to move, the slide bar 9 moves to drive the clamping joint 10 to disengage the clamping joint 10 from the clamping hole 11, remove the cover plate 3 for inspection, after the inspection is completed, cover the cover plate 3, the slide bar 9 drives the clamping joint 10 to clamp with the clamping hole 11 under the action of the first spring 12, fixes the cover plate 3, completes the inspection, thereby achieving the purpose of facilitating inspection.

[0032] Embodiment 2:

[0033] See also Figure 1 , Figure 2 and Figure 3 A fixing cylinder 13 is bolted on the top of the current transformer field tester body 1, and a rotating cylinder 14 is threadedly connected to the surface of the fixing cylinder 13. A triangular groove 15 is opened on the inner wall of the rotating cylinder 14, and a clamping rod 16 is slidably connected to the inner wall of the triangular groove 15. A limit plate 17 is fixedly sleeved on the surface of the clamping rod 16, and a second spring 18 is arranged between the limit plate 17 and the inner wall of the fixed cylinder 13. A clamping plate 19 is bolted to one end of the clamping rod 16. After the plug is plugged into the jack, the rotating cylinder 14 is rotated, and the rotation of the rotating cylinder 14 drives the triangular groove 15 to descend, and the descending of the triangular groove 15 causes the clamping rod 16 to move, and the movement of the clamping rod 16 drives the clamping plate 19 to move. The way in which the clamping plate 19 moves to clamp the plug can achieve the purpose of preventing loosening, ensure the stability of the connection between the plug and the jack, and ensure the accuracy of detection.

[0034] See also Figure 2 The surface of the rotating cylinder 14 is provided with anti-skid patterns 21, which can prevent hand slippage and facilitate operation.

[0035] See also Figure 3 A rubber pad 22 is bonded to the surface of the pressing plate 19, and the rubber pad 22 is provided to prevent the plug from being crushed.

[0036] A brief description of the use process: After the plug is connected to the socket, the rotating cylinder 14 is rotated, and the rotation of the rotating cylinder 14 drives the triangular groove 15 to descend, and the descending of the triangular groove 15 causes the clamping rod 16 to move, and the movement of the clamping rod 16 drives the clamping plate 19 to move, and the movement of the clamping plate 19 presses the plug. When disassembling, the rotating cylinder 14 is rotated in the opposite direction, so that the rotating cylinder 14 drives the triangular groove 15 to rise, and the clamping rod 16 drives the clamping plate 19 to relax the clamping of the plug under the action of the second spring 18, and the plug is pulled out, thereby achieving the purpose of preventing loosening.

[0037] 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 current transformer current detection device, comprising a current transformer field tester body (1), characterized in that: The top of the current transformer field tester body (1) is hingedly connected with a box cover (2); a cover plate (3) is arranged between the inner walls of the current transformer field tester body (1); a rotating shaft (4) is rotatably sleeved on the inner wall of the cover plate (3); a swing rod (5) is bolted to the surface of the rotating shaft (4); a transmission block (6) is bolted to the surface of the swing rod (5); a transmission plate (7) is arranged through the surface of the transmission block (6); and the transmission plate (7) is slidably connected to the inner wall of the cover plate (3); a transmission rod (8) is bolted to the surface of the transmission plate (7); a sliding rod (9) is bolted to the other end of the transmission rod (8); a clamping joint (10) is bolted to the surface of the sliding rod (9); the inner wall of the current transformer field tester body (1) is connected to the inner wall of the current transformer field tester body (1); A clamping hole (11) is provided on the wall, and the clamping joint (10) is clamped with the clamping hole (11); a first spring (12) is arranged between the sliding rod (9) and the inner wall of the cover plate (3); a fixing cylinder (13) is bolted to the top of the current transformer field tester body (1); a rotating cylinder (14) is threadedly connected to the surface of the fixing cylinder (13); a triangular groove (15) is provided on the inner wall of the rotating cylinder (14); a clamping rod (16) is slidably connected to the inner wall of the triangular groove (15); a limiting plate (17) is fixedly sleeved on the surface of the clamping rod (16); a second spring (18) is arranged between the limiting plate (17) and the inner wall of the fixing cylinder (13); and a clamping plate (19) is bolted to one end of the clamping rod (16).

2. A current transformer current detection device according to claim 1, characterized in that: One end of the rotating shaft (4) is bolted with a rotating head (20).

3. A current transformer current detection device according to claim 1, characterized in that: One end of the card connector (10) is wedge-shaped.

4. A current transformer current detection device according to claim 1, characterized in that: The surface of the rotating cylinder (14) is provided with anti-slip grooves (21).

5. A current transformer current detection device according to claim 1, characterized in that: A rubber pad (22) is bonded to the surface of the pressing plate (19).

6. A current transformer current detection device according to claim 1, characterized in that: An anti-skid pad (23) is bolted to the bottom of the current transformer field tester body (1).

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