CN220671613U

CN220671613U - Instrument for testing comprehensive characteristics of mutual inductor

Info

Publication number: CN220671613U
Application number: CN202321790178.1U
Authority: CN
Inventors: 毕健
Original assignee: YANGZHOU HUADIAN ELECTRICAL CO Ltd
Current assignee: YANGZHOU HUADIAN ELECTRICAL CO Ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-03-26
Anticipated expiration: 2033-07-07

Abstract

The utility model provides a comprehensive characteristic tester of a transformer, which comprises an instrument box body and a tester body arranged in the box body, wherein the top of the instrument box body is provided with a box opening, the tester body can pass through the box opening, one side of the tester body is fixedly provided with a thread block, the thread block is arranged on a threaded rod in a threaded manner, the top end of the threaded rod is rotatably arranged in the instrument box body, the bottom end of the threaded rod is mechanically connected to an output shaft of a driving motor, two opposite sides of the instrument box body are respectively provided with a heat radiation fan, and the outer side of the heat radiation fan is provided with a shielding cover with an open bottom. The utility model improves the heat dissipation effect on the tester body, thereby effectively prolonging the service life of the tester, and solving the problems that the prior comprehensive tester for the characteristics of the mutual inductor is mostly fixedly connected with the external shell, is inconvenient for a user to maintain the internal components thereof, has poor heat dissipation effect, and further leads the internal components to be easily damaged under the action of high temperature, and reduces the service life of the tester.

Description

Instrument for testing comprehensive characteristics of mutual inductor

Technical Field

The utility model relates to the technical field of power equipment, in particular to a comprehensive characteristic tester for a transformer.

Background

The comprehensive tester is specially designed for protecting volt-ampere characteristic, transformation ratio test and polarity discrimination of a professional test current transformer by a relay, can also be used for discriminating and measuring the polarity of the transformer, is a multifunctional test instrument with relatively high cost performance, adopts a high-efficiency low-consumption high-quality material and a booster with a special winding method, performs data acquisition, analysis and storage by a singlechip microprocessor, is internally provided with a micro printer, can print test data and curves, can automatically calculate transformation ratio value when CT transformation ratio is measured, and can finish all test work by one person.

However, the existing comprehensive tester for the characteristics of the mutual inductor is fixedly connected with an external shell, once the inside of the tester is problematic, the tester is inconvenient for a user to maintain the internal components of the tester, and meanwhile, a large amount of heat is generated during the working of the tester, the heat needs to be timely emitted to ensure the normal use of the tester, the traditional tester is poor in heat dissipation effect, and further the internal components of the tester are easy to damage under the action of high temperature, so that the normal use stability is low, and the service life of the tester is reduced.

Disclosure of Invention

The utility model aims to provide a comprehensive characteristic tester for a transformer, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a mutual-inductor comprehensive properties tester, includes instrument box and sets up the tester body in the box, the top of instrument box is equipped with the case mouth, the tester body can pass the case mouth, and its one side is fixed to be equipped with the screw thread piece, the screw thread piece screw thread type is installed on the threaded rod, the top of threaded rod is rotated and is installed in the instrument box, and bottom mechanical connection is on driving motor's output shaft, the tip slidable mounting of screw thread piece is on the guide rail, the guide rail is fixed in the instrument box, install the heat dissipation fan respectively on the opposite both sides of instrument box, the outside of heat dissipation fan is equipped with the uncovered cover that shelters from in bottom.

And a box cover is rotatably arranged on one side of the box opening of the instrument box body.

And a dust filter screen is arranged at the air port of the heat radiation fan.

The open bottom of the shielding cover is provided with a silica gel particle layer.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the tester body is driven by the driving motor to protrude out of the top of the box body through the box opening, at the moment, a user can maintain the components inside the tester body, the operation is convenient and quick, meanwhile, the tester body protrudes out of the top of the box body, and meanwhile, the external air flow can be effectively contacted with the tester element, so that the effect of heat dissipation of the external air flow on the tester element is accelerated, meanwhile, the air flow can be driven to rapidly blow to the surface of the tester body by starting the heat dissipation fan, the effect of heat dissipation on the tester body is further improved, under the action of integral fit, the purpose of maintaining the tester is realized, the heat dissipation effect of the tester is greatly improved, the service life of the tester is further effectively prolonged, the problem that the conventional comprehensive tester with the characteristics of the transformer is mostly fixedly connected with an external shell, the user is inconvenient to maintain the internal components, the heat dissipation effect is poor, the internal components are damaged easily under the action of high temperature, and the service life of the tester is reduced is solved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a state diagram of the present utility model;

in the figure: 1, an instrument box body; 2, a tester body; 3, a box opening; 4, a thread block; 5, a threaded rod; 6, driving a motor; 7, a guide rail; 8, a heat radiation fan; 9 is open; 10 a shielding cover; 11 case covers; 12 dust filter screen; 13 a layer of silica gel particles.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides the following technical solutions: the utility model provides a mutual-inductor comprehensive properties tester, includes instrument box 1 and sets up tester body 2 in box 1, instrument box 1's top is equipped with case mouth 3, tester body 2 accessible case mouth 3, and its one side is fixed to be equipped with screw thread piece 4, screw thread piece 4 screw thread type installs on threaded rod 5, the top of threaded rod 5 is rotated and is installed in instrument box 1, and bottom mechanical connection is on driving motor 6's output shaft, screw thread piece 4 tip slidable mounting is on guide rail 7, guide rail 7 is fixed in instrument box 1, install radiator fan 8 on the both sides that instrument box 1 is relative respectively, radiator fan 8's outside is equipped with bottom open 9's shielding cover 10.

One side of the box opening 3 of the instrument box body 1 is rotatably provided with a box cover 11, when the tester body 2 does not work, the driving motor 6 drives the tester body 2 to descend into the box body 1, and then the box cover 11 is covered to block the box opening 3, so that dust is prevented from falling into the instrument box body 1.

A dust filter screen 12 is arranged at the air port of the heat radiation fan 8 to remove dust and impurities in the air.

The bottom opening 9 of the shielding cover 10 is provided with a silica gel particle layer 13 for removing moisture in the air.

The working principle of the utility model is as follows: the driving motor 6 is a stepping motor, forward and reverse rotation can be achieved, the threaded rod 5 is enabled to rotate through starting, the threaded block 4 drives the tester body 2 to lift, the tester body 2 can extend out of the instrument box body 1 or enter the instrument box body 1, and meanwhile the heat dissipation fan 8 is started to strengthen the flow of air inside and outside the instrument box body 1, so that heat dissipation is strengthened.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a mutual-inductor comprehensive properties tester which characterized in that: including instrument box (1) and tester body (2) of setting in box (1), the top of instrument box (1) is equipped with case mouth (3), tester body (2) accessible case mouth (3), and its one side is fixed to be equipped with screw thread piece (4), the installation of screw thread piece (4) screw thread is on threaded rod (5), the top of threaded rod (5) is rotated and is installed in instrument box (1), and bottom mechanical connection is on the output shaft of driving motor (6), the tip slidable mounting of screw thread piece (4) is on guide rail (7), guide rail (7) are fixed in instrument box (1), install radiator fan (8) on the both sides that instrument box (1) are relative respectively, the outside of radiator fan (8) is equipped with shielding cover (10) of bottom uncovered (9).

2. The instrument for testing the comprehensive characteristics of the mutual inductor according to claim 1, wherein: one side of a box opening (3) of the instrument box body (1) is rotatably provided with a box cover (11).

3. The instrument for testing the comprehensive characteristics of the mutual inductor according to claim 1, wherein: a dust filter screen (12) is arranged at the air port of the heat radiation fan (8).

4. The instrument for testing the comprehensive characteristics of the mutual inductor according to claim 1, wherein: a silica gel particle layer (13) is arranged at the bottom opening (9) of the shielding cover (10).