Mutual inductor testing device

By introducing a sliding baffle and a rotating shaft transmission rod mechanism into the current transformer testing device, the problems of easy contamination and cumbersome maintenance of the display screen are solved, realizing the protection and convenient maintenance of the display screen, and improving the service life and maintenance efficiency of the device.

CN224019967UActive Publication Date: 2026-03-20广州电力建设有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing current transformer testing equipment lacks protective functions, the display screen is easily contaminated by dust and is easily damaged, the maintenance process is cumbersome, and tools are required to disassemble and assemble the cover plate, resulting in low efficiency.

Method used

A sliding baffle protects the display screen, and the baffle can be closed and opened by a push-pull block; the use of a rotating shaft and transmission rod mechanism facilitates the disassembly and installation of the cover plate, and the combination of spring and snap-fit ​​structure simplifies the maintenance process.

Benefits of technology

It achieves cleaning and protection of the display screen, extends its service life, simplifies the maintenance process, and improves maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mutual inductor testing device, which is applied to the field of mutual inductors and comprises a mutual inductor tester body, a display screen and a jack are mounted on the surface of the mutual inductor tester body, and a fixing frame is bolted on the surface of the mutual inductor tester body; when the display screen is not used, the push-pull block is moved to enable the baffle to drive the sliding block to move, the baffle is closed, the sliding block moves to drive the limiting head to move to be connected with the bottom limiting hole in a clamped mode, and the baffle is fixed, so that the purpose of a protection function can be achieved, cleanliness of the display screen is guaranteed, and the service life is prolonged; by rotating the rotating block to rotate the rotating shaft, rotating the rotating shaft to enable the rotating disc to drive the transmission rod to move, moving the transmission rod to enable the connecting rod to drive the sliding rod to move, moving the sliding rod to drive the clamping head to move to enable the clamping head to be disengaged from the clamping hole, and taking down the cover plate for maintenance, the purpose of facilitating maintenance can be achieved, and the workload is reduced; and the maintenance efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of mutual inductor, especially a mutual inductor testing device. BACKGROUND

[0002] Through searching Chinese patent, the announcement number is: CN219368980U, a variable frequency mutual inductor tester, including box and the test host computer in the box, the outer wall of the box is provided with temperature measurement assembly still;Wherein, the temperature measurement assembly includes control unit and temperature measurement part, the outer side of the box is provided with recess one and recess two, the utility model discloses a temperature sensor is added to the design to realize the detection of the temperature of the tester, ensure that the variable frequency mutual inductor tester can work with the temperature of pre-value, ensure its stability and the accuracy of detection, secondly, the utility model discloses a temperature sensor is fixed by the way of rotating plate, when not using the temperature measurement part, the whole rotating plate can be stored to avoid the damage or loss of temperature measurement part, the overall structure design is simple, and the functionality of the existing variable frequency mutual inductor tester is optimized.

[0003] The existing test device does not have a protection function, and the display screen of the general test device is exposed outside. When not in use, dust from the outside world will adhere to the surface of the display screen, affecting the use effect of the display screen. Moreover, the display screen is prone to being bumped by external objects, causing damage to the display screen, affecting use, reducing the service life, and being inconvenient to maintain. When maintaining the inside of the test device, the cover plate of the test device needs to be opened, and the cover plate is generally fixed and installed by multiple screws. When disassembling and assembling it, tools are needed for disassembly and assembly, the process is relatively cumbersome, increasing the workload and reducing the maintenance efficiency. In order to solve the above problems, we propose a mutual inductor testing device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a mutual inductor testing device, which has the advantages of protection function and convenient maintenance.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a mutual inductor testing device, comprising a mutual inductor tester body, a display screen and a jack are installed on the surface of the mutual inductor tester body, a fixed frame is connected to the surface of the mutual inductor tester body, a sliding slot is formed in the inner wall of the fixed frame, a sliding block is connected to the inner wall of the sliding slot, a limiting head is connected to the inner wall of the sliding block, a first spring is arranged between the limiting head and the inner wall of the sliding block, a limiting hole is formed in the inner wall of the sliding slot, the limiting head is connected to the limiting hole, and a baffle is connected between the sliding blocks.

[0006] The technical scheme is adopted, the baffle is closed by moving the push-pull block to drive the sliding block to move when not in use, the sliding block is driven to move to drive the limiting head to be clamped with the bottom limiting hole, and the baffle is fixed, so that the protection function is achieved, the display screen is kept clean, and the service life is prolonged.

[0007] The utility model further sets up: the back cover of mutual inductor testing instrument body is equipped with the apron, the inner wall rotation sleeve joint of apron has the pivot, the surface fixed sleeve joint of pivot has the turntable, the surface of turntable is hinged to have transmission rod, the other end of transmission rod is hinged to have connecting rod, the other end of connecting rod is linked to have slide bar, the surface of slide bar is linked to have the joint, the inner wall of mutual inductor testing instrument body is equipped with the joint hole, and the joint hole is connected with the joint, be provided with second spring between the inner wall of slide bar and apron.

[0008] The technical scheme is adopted, the baffle is closed by moving the push-pull block to drive the sliding block to move when not in use, the sliding block is driven to move to drive the limiting head to be clamped with the bottom limiting hole, and the baffle is fixed, so that the protection function is achieved, the display screen is kept clean, and the service life is prolonged.

[0009] The utility model further sets up: the surface of baffle is linked to have push-pull block.

[0010] The technical scheme is adopted, the baffle is closed by moving the push-pull block to drive the sliding block to move when not in use, the sliding block is driven to move to drive the limiting head to be clamped with the bottom limiting hole, and the baffle is fixed, so that the protection function is achieved, the display screen is kept clean, and the service life is prolonged.

[0011] The utility model further sets up: one end of pivot is linked to have rotation head.

[0012] The technical scheme is adopted, the baffle is closed by moving the push-pull block to drive the sliding block to move when not in use, the sliding block is driven to move to drive the limiting head to be clamped with the bottom limiting hole, and the baffle is fixed, so that the protection function is achieved, the display screen is kept clean, and the service life is prolonged.

[0013] The utility model further sets up: the top of mutual inductor testing instrument body is linked to have handle.

[0014] The technical scheme is adopted, the baffle is closed by moving the push-pull block to drive the sliding block to move when not in use, the sliding block is driven to move to drive the limiting head to be clamped with the bottom limiting hole, and the baffle is fixed, so that the protection function is achieved, the display screen is kept clean, and the service life is prolonged.

[0015] The utility model further sets up: one end of joint is wedge-shaped.

[0016] The technical scheme is adopted, the baffle is closed by moving the push-pull block to drive the sliding block to move when not in use, the sliding block is driven to move to drive the limiting head to be clamped with the bottom limiting hole, and the baffle is fixed, so that the protection function is achieved, the display screen is kept clean, and the service life is prolonged.

[0017] The utility model further sets up: the surface of mutual inductor testing instrument body is provided with heat dissipation fan.

[0018] The technical scheme is adopted, the baffle is closed by moving the push-pull block to drive the sliding block to move when not in use, the sliding block is driven to move to drive the limiting head to be clamped with the bottom limiting hole, and the baffle is fixed, so that the protection function is achieved, the display screen is kept clean, and the service life is prolonged.

[0019] The utility model further sets up: the bottom of mutual inductor testing instrument body is bolted with antiskid cushion block.

[0020] Adopt above technical scheme, through setting up antiskid cushion block, improve antiskid ability and stability.

[0021] Summarized above, the utility model has following beneficial effect:

[0022] 1. The utility model discloses a fixed mode that when not using, moving push -pull block makes baffle drive slider to move, closes baffle, slider movement drives limit head to move and is connected with bottom limit hole, can reach the purpose of protection function, guarantees the cleanness of display screen, improves the service life;

[0023] 2. The utility model discloses a maintenance mode that through rotating rotating block and making pivot rotation, pivot rotation makes carousel drive transmission rod to move, transmission rod movement makes connecting rod drive sliding rod to move, sliding rod movement drives joint to move and makes joint and clamping hole to be connected and is taken off cover plate, can reach the purpose of being convenient for maintenance, reduces the work load, improves the maintenance efficiency. DRAWINGS

[0024] Figure 1 It is the structure front view cut of the utility model;

[0025] Figure 2 It is the structure back view cut of the utility model;

[0026] Figure 3 It is the structure side view cut of the utility model;

[0027] Figure 4 It is the utility model Figure 1 A place structure of the utility model is enlarged;

[0028] Figure 5 It is the utility model Figure 3 B place structure of the utility model is enlarged.

[0029] Reference: 1, mutual inductor testing instrument body;2, display screen;3, jack;4, fixed frame;5, sliding slot;6, slider;7, limit head;8, first spring;9, limit hole;10, baffle;11, cover plate;12, pivot;13, carousel;14, transmission rod;15, connecting rod;16, sliding rod;17, joint;18, clamping hole;19, second spring;20, push -pull block;21, rotating head;22, handle;23, heat dissipation fan;24, antiskid cushion block. SPECIFIC IMPLEMENTATION

[0030] The utility model will be further explained in detail in combination with the drawings.

[0031] Example 1: referenceFigure 1 and Figure 4 The utility model provides an instrument transformer testing device, including instrument transformer testing device body 1, the surface of instrument transformer testing device body 1 is equipped with display screen 2 and jack 3, the surface of instrument transformer testing device body 1 is hinged with fixed frame 4, the inner wall of fixed frame 4 is equipped with sliding slot 5, the inner wall of sliding slot 5 is connected with sliding block 6, the inner wall of sliding block 6 is connected with limit head 7, and the first spring 8 is arranged between limit head 7 and the inner wall of sliding block 6, the inner wall of sliding slot 5 is equipped with limit hole 9, and limit head 7 is connected with limit hole 9, and the baffle 10 is hinged between the sliding block 6, by moving the push -pull block 20 when not using, make the baffle 10 drive sliding block 6 and move, close the baffle 10, and the sliding block 6 moves and drives limit head 7 to move and be connected with the bottom limit hole 9, the fixed mode of baffle 10 can reach the purpose of protection function, guarantee the cleaning of display screen 2, improve the service life.

[0032] Reference Figure 1 and Figure 3 The surface of baffle 10 is hinged with push -pull block 20, by setting push -pull block 20, it is convenient to move baffle 10, and it is convenient to use.

[0033] Reference Figure 3 The surface of instrument transformer testing device body 1 is provided with cooling fan 23, by setting cooling fan 23, improve the heat dissipation efficiency.

[0034] Reference Figure 1 and Figure 2 The bottom of instrument transformer testing device body 1 is hinged with anti -skid pad 24, by setting anti -skid pad 24, improve the anti -skid ability and stability.

[0035] Example 2: reference Figure 2 , Figure 3 and Figure 5 The back of instrument transformer testing device body 1 is provided with cover plate 11, the inner wall of cover plate 11 is rotatably connected with rotating shaft 12, the surface of rotating shaft 12 is fixedly connected with rotating disc 13, the surface of rotating disc 13 is hinged with transmission rod 14, the other end of transmission rod 14 is hinged with connecting rod 15, the other end of connecting rod 15 is hinged with sliding rod 16, the surface of sliding rod 16 is hinged with clamping head 17, the inner wall of instrument transformer testing device body 1 is equipped with clamping hole 18, and clamping hole 18 is connected with clamping head 17, and the second spring 19 is arranged between sliding rod 16 and the inner wall of cover plate 11, by rotating the rotating block and making rotating shaft 12 rotate, rotating shaft 12 rotates and makes rotating disc 13 drive transmission rod 14 to move, transmission rod 14 moves and makes connecting rod 15 drive sliding rod 16 to move, sliding rod 16 moves and drives clamping head 17 to move and makes clamping head 17 and clamping hole 18 disengage, and the cover plate 11 is removed and maintained, which can achieve the purpose of convenient maintenance, reduce the workload and improve the maintenance efficiency.

[0036] ReferenceFigure 3 One end of the rotating shaft 12 is provided with a rotating head 21, and the rotating head 21 is convenient for rotating the rotating shaft 12.

[0037] With reference to Figure 1 、 Figure 2 and Figure 3 The top of the mutual inductor tester body 1 is provided with a handle 22, and the handle 22 is convenient for moving the device.

[0038] With reference to Figure 5 One end of the clamping head 17 is wedge-shaped, and the wedge-shaped one end of the clamping head 17 is convenient for clamping.

[0039] Brief description of the use process: when not in use, move the push-pull block 20 to move the baffle 10 and the sliding block 6, close the baffle 10, move the sliding block 6 to move the limiting head 7 and clamp it with the bottom limiting hole 9 under the action of the first spring 8, fix the baffle 10, when in use, move the push-pull block 20 to open the baffle 10, move the baffle 10 upwards to make the limiting head 7 clamp with the top limiting hole 9, fix it, and use it, so as to achieve the purpose of protection; rotate the rotating block to rotate the rotating shaft 12, rotate the rotating shaft 12 to make the rotating disc 13 drive the transmission rod 14 to move, make the connecting rod 15 drive the sliding rod 16 to move, make the sliding rod 16 drive the clamping head 17 to move to make the clamping head 17 and the clamping hole 18 disengage, remove the cover plate 11 for maintenance, after the maintenance is completed, cover the cover plate 11, the sliding rod 16 is clamped with the clamping hole 18 under the action of the second spring 19, fix the cover plate 11, complete the maintenance, so as to achieve the purpose of convenient maintenance.

[0040] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification.

Claims

1. A current transformer testing device, comprising a current transformer tester body (1), characterized in that, The surface of the instrument body (1) of the current transformer tester is equipped with a display screen (2) and a socket (3). A fixing frame (4) is bolted to the surface of the instrument body (1). A sliding groove (5) is provided on the inner wall of the fixing frame (4). A slider (6) is slidably connected to the inner wall of the sliding groove (5). A limiting head (7) is slidably connected to the inner wall of the slider (6). A first spring (8) is provided between the limiting head (7) and the inner wall of the slider (6). A limiting hole (9) is provided on the inner wall of the sliding groove (5), and the limiting head (7) is engaged with the limiting hole (9). A baffle (10) is bolted between the sliders (6).

2. The current transformer testing device according to claim 1, characterized in that, The back of the instrument body (1) of the current transformer tester is covered with a cover plate (11). The inner wall of the cover plate (11) is rotatably sleeved with a rotating shaft (12). The surface of the rotating shaft (12) is fixedly sleeved with a turntable (13). The surface of the turntable (13) is hinged with a transmission rod (14). The other end of the transmission rod (14) is hinged with a connecting rod (15). The other end of the connecting rod (15) is bolted with a slide rod (16). The surface of the slide rod (16) is bolted with a snap-fit ​​connector (17). The inner wall of the instrument body (1) of the current transformer tester is provided with a snap-fit ​​hole (18), and the snap-fit ​​hole (18) is snapped with the snap-fit ​​connector (17). A second spring (19) is provided between the slide rod (16) and the inner wall of the cover plate (11).

3. The current transformer testing device according to claim 1, characterized in that, A push-pull block (20) is bolted to the surface of the baffle (10).

4. The current transformer testing device according to claim 2, characterized in that, A rotating head (21) is bolted to one end of the rotating shaft (12).

5. The current transformer testing device according to claim 1, characterized in that, A handle (22) is bolted to the top of the instrument body (1) of the current transformer tester.

6. The current transformer testing device according to claim 2, characterized in that, One end of the snap-fit ​​connector (17) is wedge-shaped.

7. The current transformer testing device according to claim 1, characterized in that, The surface of the instrument body (1) of the current transformer tester is provided with a cooling fan (23).

8. The current transformer testing device according to claim 1, characterized in that, The bottom of the instrument body (1) of the current transformer tester is bolted with an anti-slip pad (24).

Citation Information

Patent Citations

  • Variable frequency mutual inductor tester

    CN219368980U