Mutual inductor calibrator

Abstract

The utility model relates to a calibrator, in particular to a mutual inductor calibrator, which comprises a calibrator main body and a box body, an inner cavity with an opening on one side is arranged in the box body, the calibrator main body is arranged in the box body through a sliding rail assembly in a drawable manner, one side of the calibrator main body is connected with a connecting plate a, and the other side of the calibrator main body is connected with a connecting plate. A connecting plate a is arranged in the box body, a plurality of mounting parts are arranged on one side of the connecting plate a, supporting pieces are arranged in the mounting parts, and a bottom pad structure for buffering the calibrator main body is arranged on one side in the box body. And meanwhile, the calibration instrument can be integrally drawn out for use, so that heat dissipation can be facilitated.

Description

Technical Field

[0001] The utility model relates to a calibrator, in particular to a mutual inductor calibrator. Background Art

[0002] A transformer calibrator is a device used to measure and calibrate the performance of a transformer, usually consisting of multiple parts, including a power supply, a signal generator, a measurement circuit, a processor, and a display screen. Its working principle is to measure the error of the transformer by comparison, that is, to compare the standard transformer with the transformer under test to obtain the ratio error and angle error of the transformer under test.

[0003] Existing transformer calibrators are usually set in a box type, which can be easily carried and used anywhere. However, the box-type transformer calibrator is easy to tip over during use, which affects its use. At the same time, the main body of the box-type calibrator is usually set in the box, which is inconvenient to take out and inconvenient to dissipate heat.

[0004] Therefore, a transformer tester is needed to improve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a transformer tester to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A transformer calibrator comprises a calibrator body and a box body, wherein an inner cavity with one side open is provided inside the box body, and the calibrator body can be drawn and arranged inside the box body through a slide rail assembly, a connecting plate a is connected to one side of the calibrator body, and a plurality of mounting parts are provided on one side of the connecting plate a, and a support is provided in the mounting part, and a bottom pad structure for cushioning the calibrator body is provided on one side of the inner side of the box body.

[0008] As a preferred solution of the utility model, the slide rail assembly includes a group of symmetrically arranged slide rail groups, the slide rail group consists of two slide rails, the sides of the calibrator body are respectively connected with sliders and connecting plates b, the sides of the connecting plate b are connected with sliders, and the sliders are slidably arranged inside the slide rails.

[0009] As a preferred solution of the utility model, the base structure includes a frame body, a docking groove is provided inside the frame body, the end of the calibrator body is plugged into the docking groove, and a rubber pad is provided on one side of the docking groove.

[0010] As a preferred solution of the utility model, the mounting portion is a mounting groove opened inside the connecting plate a, and a threaded groove is opened at the lower end of the mounting groove.

[0011] As a preferred solution of the utility model, the support member includes a support column, a thread is arranged on the outer side of the upper end of the support column, and an elastic member is connected to the upper end of the support column.

[0012] As a preferred solution of the utility model, the elastic member is a spring, and the spring is connected to the support column via a gasket.

[0013] As a preferred solution of the utility model, pull-out handles are provided on both sides of the opening of the box body.

[0014] As a preferred solution of the utility model, the handle member includes a group of retractable rod members, and retractable rods are arranged inside the retractable rod members on both sides. A groove is opened at the upper end of the retractable rod, and a pull rod is rotatably hinged inside the groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model arranges the main body of the calibrator to be pull-out, which can be conveniently pulled out for use. Compared with the traditional box-type calibrator, it can avoid tilting during use. At the same time, the calibrator can be pulled out as a whole for use, which can be conducive to heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a side cross-sectional view of the utility model;

[0019] Figure 3 It is a side cross-sectional view of the utility model;

[0020] Figure 4 For this utility model Figure 2 Enlarged view of point A in the middle.

[0021] In the figure: box body 1, retractable rod 2, retractable rod 3, groove 4, connecting plate a5, pull rod 6, slide rail 7, connecting plate b8, rubber pad 9, frame body 10, docking groove 11, calibrator body 12, slider 13, mounting groove 14, support column 15, thread 16, gasket 17, spring 18, thread groove 19. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0026] See also Figure 1-4 , the utility model provides a technical solution:

[0027] For example, please refer to Figure 1 , 2 , 3 and 4, a transformer calibrator, comprising a calibrator body 12 and a box body 1, wherein the box body 1 is provided with an inner cavity with one side open, the calibrator body 12 can be drawn and arranged in the box body 1 through a slide rail assembly, one side of the calibrator body 12 is connected with a connecting plate a5, and one side of the connecting plate a5 is provided with a plurality of mounting parts, support members are arranged in the mounting parts, and a bottom pad structure for cushioning the calibrator body 12 is arranged on one side of the inner side of the box body 1.

[0028] The calibrator body 12 can be pulled out and arranged inside the box 1 through a slide rail assembly, and can be conveniently pulled out for use. At the same time, the whole is supported by the support member to achieve stable use. The setting of the bottom pad structure provides shock-absorbing support for the calibrator body 12 when it is stored.

[0029] Please refer to Figure 1 , 2 , 3 and 4, the slide rail assembly includes a group of symmetrically arranged slide rail groups, the slide rail group consists of two slide rails 7, the sides of the calibrator body 12 are respectively connected with a slider 13 and a connecting plate b8, the side of the connecting plate b8 is connected with a slider 13, and the slider 13 is slidably arranged inside the slide rail 7.

[0030] Please refer to Figure 1 , 2 , 3 and 4, the bottom pad structure includes a frame 10, a docking groove 11 is opened inside the frame 10, an end of the calibrator body 12 is plugged into the docking groove 11, and a rubber pad 9 is provided on one side of the docking groove 11.

[0031] The mounting portion is a mounting groove 14 opened inside the connecting plate a5, and a threaded groove 19 is opened at the lower end of the mounting groove 14. The supporting member includes a supporting column 15, and a thread 16 is arranged on the outer side of the upper end of the supporting column 15. The upper end of the supporting column 15 is connected to an elastic member, and the elastic member is a spring 18, and the spring 18 and the supporting column 15 are connected by a gasket 17.

[0032] When the support column 15 is supporting, fixed support is achieved through the thread 16 and the thread groove 19 . When it needs to be retracted, the support column 15 is rotated to compress the spring 18 and put the support column 15 into the installation groove 14 .

[0033] Both sides of the opening of the box body 1 are provided with pull-out handles, which include a set of retractable rods 2. Retractable rods 3 are provided inside the retractable rods 2 on both sides. A groove 4 is provided at the upper end of the retractable rod 3. A pull rod 6 is rotatably hinged inside the groove 4.

[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 transformer tester, comprising a tester body (12) and a box (1), wherein the box (1) has an inner cavity with one side open, and wherein: The calibrator body (12) can be drawn and arranged inside the box (1) via a slide rail assembly; one side of the calibrator body (12) is connected to a connecting plate a (5); one side of the connecting plate a (5) is provided with a plurality of mounting portions, and a support member is arranged inside the mounting portion; and a bottom pad structure for cushioning the calibrator body (12) is arranged on one side of the box (1).

2. The transformer tester according to claim 1, characterized in that: The slide rail assembly comprises a group of symmetrically arranged slide rail groups, the slide rail group consists of two slide rails (7), the sides of the calibration instrument body (12) are respectively connected to a slider (13) and a connecting plate b (8), the side of the connecting plate b (8) is connected to the slider (13), and the slider (13) is slidably arranged inside the slide rail (7).

3. The transformer tester according to claim 2, characterized in that: The base structure comprises a frame (10), a docking groove (11) is provided inside the frame (10), an end of a calibration instrument body (12) is plugged into the docking groove (11), and a rubber pad (9) is provided on one side of the docking groove (11).

4. The transformer tester according to any one of claims 1 to 3, characterized in that: The mounting portion is a mounting groove (14) formed inside the connecting plate a (5), and a thread groove (19) is formed at the lower end of the mounting groove (14).

5. The transformer tester according to claim 4, characterized in that: The support member comprises a support column (15), a thread (16) is arranged on the outer side of the upper end of the support column (15), and an elastic member is connected to the upper end of the support column (15).

6. The transformer tester according to claim 5, characterized in that: The elastic member is a spring (18), and the spring (18) and the support column (15) are connected via a gasket (17).

7. The transformer tester according to claim 6, characterized in that: Both sides of the opening of the box body (1) are provided with pull-out handles.

8. The transformer tester according to claim 7, characterized in that: The handle comprises a group of retractable rods (2), and retractable rods (3) are arranged inside the retractable rods (2) on both sides. A groove (4) is formed at the upper end of the retractable rod (3), and a pull rod (6) is rotatably hinged inside the groove (4).

Images