Small transformer test platform

Abstract

The utility model relates to the field of small transformer processing, in particular to a small transformer test platform which comprises a workbench, a fixing seat is arranged on the rear side of the top end of the workbench, a computer display, a touch screen and a start button are sequentially arranged on the front end face of the fixing seat, and a high-voltage tester is arranged on one side of the top of the workbench. A transformer test platform is arranged at the top of the high-voltage tester, a protective cover body is arranged at the top of the high-voltage tester and located outside the transformer test platform, and the protective cover body and the high-voltage tester are connected through a plurality of limiting and fixing mechanisms. According to the utility model, the protective cover body is convenient to disassemble and assemble through the limiting and fixing mechanism, the influence of external interference on the testing process is prevented or reduced through the protective cover body, the transformer is prevented from being mistakenly touched in the testing process, the testing process of the transformer is automatic testing, the testing efficiency is improved, and the testing cost is reduced. And the safety of the high-voltage test process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of small transformer processing, in particular to a small transformer testing platform. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage.

[0003] The testing process of small transformers is complicated and requires testing: 1. Power frequency withstand voltage of input side to output side; 2. Power frequency withstand voltage of input and output sides in parallel to ground; 3. Test and record the input voltage-output voltage under load; 4. Test and record the input voltage-output voltage-output current under load. The existing testing equipment can only record data through manual operation, which is relatively inefficient. In addition, various test lines are constantly switched during the test, which poses a safety hazard. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a small transformer testing platform.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A small transformer test platform comprises a test cabinet, wherein a fixing seat is arranged at the rear side of the top of the test cabinet, a computer display, a touch screen and a start button are arranged in sequence on the front face of the fixing seat, a high voltage tester is arranged at one side of the top of the test cabinet, a transformer test platform is arranged at the top of the high voltage tester, and a protective cover body is arranged at the top of the high voltage tester and outside the transformer test platform, and the protective cover body and the high voltage tester are connected by a plurality of limit fixing mechanisms.

[0007] In addition, a preferred structure is that a cavity is opened on one side of the test cabinet, a control system is placed in the cavity, and a keyboard body is arranged on the top of the test cabinet in front of the computer display.

[0008] In addition, a preferred structure is that a placement cavity is opened on one side of the front end surface of the test cabinet, and a computer host is placed in the placement cavity.

[0009] In addition, a preferred structure is that the position limiting and fixing mechanism includes a fixed shaft, a movable plate is rotatably mounted on the top of the fixed shaft, and the movable plate is in the form of a rectangular parallelepiped.

[0010] In addition, a preferred structure is that an extension convex plate is installed at the bottom end of the exterior of the protective cover body, and a through hole is opened in the extension convex plate at the movable plate.

[0011] The beneficial effects of the utility model are:

[0012] In the utility model, the protective cover body is convenient for disassembly and assembly through the limit fixing mechanism, and the protective cover body prevents or reduces the influence of external interference on the test process, and avoids the transformer from being accidentally touched during the test process. The test process of the transformer is an automated test, and its test efficiency is improved while increasing the safety of the high-voltage test process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural schematic diagram of a small transformer testing platform proposed by the utility model;

[0014] Figure 2 It is a structural schematic diagram of the workbench cross section;

[0015] Figure 3 It is a schematic diagram of the structure of the protective cover body being disassembled;

[0016] Figure 4 Main line test schematic.

[0017] In the figure: 1. Computer monitor; 2. Test cabinet; 3. Touch screen; 4. Start button; 5. Control system; 6. Computer host; 7. High-voltage tester; 8. Transformer test platform; 9. Protective cover; 10. Limit fixing mechanism. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-4 A small transformer test platform includes a test cabinet 2, a fixed seat is arranged at the rear side of the top of the test cabinet 2, a computer display 1, a touch screen 3, and a start button 4 are arranged in sequence on the front face of the fixed seat, and a high-voltage tester 7 is arranged on one side of the top of the test cabinet 2, a transformer test platform 8 is arranged on the top of the high-voltage tester 7, and a protective cover body 9 is arranged on the top of the high-voltage tester 7 and outside the transformer test platform 8, and the protective cover body 9 and the high-voltage tester 7 are connected by a plurality of limit fixing mechanisms 10.

[0020] In addition, a cavity is opened on one side of the test cabinet 2 , in which a control system 5 is placed, and a keyboard body is arranged at the top of the test cabinet 2 in front of the computer display 1 .

[0021] At the same time, a placement cavity is opened on one side of the front end surface of the test cabinet 2, and a computer host 6 is placed in the placement cavity.

[0022] Meanwhile, the position limiting and fixing mechanism 10 comprises a fixed shaft, a movable plate is rotatably mounted on the top of the fixed shaft, and the movable plate is in the form of a rectangular parallelepiped.

[0023] Furthermore, an extension convex plate is installed at the bottom end of the exterior of the protective cover body 9, and a through hole is opened in the extension convex plate at the movable plate.

[0024] In this embodiment, a single or multiple transformers can be placed at the same time through the transformer test platform 8, and the control system 5 can be connected through the quick connector plug. It is worth noting that the control system 5 is composed of PLC-contactor-voltage transmitter-current transmitter. The control system 5 is responsible for calculating the test parameters, controlling the test process, starting and stopping the high-voltage tester 7, and the test parameters can be adjusted through the touch screen 3. The computer host 6 collects the test data and records it in a spreadsheet. The test results are displayed through the computer monitor 1. The whole device is installed in the test cabinet 2. The test is started by the start button 4. The indicator light goes out after the test is completed. The whole process realizes automatic testing, improves the test efficiency, and increases the safety of the high-voltage test process.

[0025] At the same time, the protective cover body 9 is conveniently disassembled and assembled through the limiting fixing mechanism 10, and the protective cover body 9 prevents or reduces the influence of external interference on the test process and avoids the transformer from being accidentally touched during the test process.

[0026] And, the test steps are as follows:

[0027] 1. Press the start test button, the corresponding test light will light up, and the test preparation phase will begin;

[0028] 2. Input side to output side withstand voltage test: KM4, KM5 are closed, the high voltage tester is started, if it fails, an alarm is output and the test is stopped;

[0029] 3. Input and output side parallel ground test: KM4, KM7, KM6 are closed. The high voltage tester starts, and if it fails, it will output an alarm and stop the test;

[0030] 3. Load test: Connect KM1, KM2, KM3. Detect the voltage values ​​of V1 and V2 and write them into the spreadsheet;

[0031] 4. No-load test: Close KM1 and KM2 to detect the voltage values ​​of V1 and V2, the current value of A, and write them into the spreadsheet.

[0032] In the utility model, the protective cover body 9 is convenient for disassembly and assembly through the limiting fixing mechanism 10, and the protective cover body 9 prevents or reduces the influence of external interference on the test process, and avoids the transformer from being accidentally touched during the test process. The test process of the transformer is an automated test, which improves the test efficiency and increases the safety of the high-voltage test process.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A small transformer test platform, comprising a test cabinet (2), characterized in that: A fixing seat is arranged at the rear side of the top of the test cabinet (2); a computer display (1), a touch screen (3), and a start button (4) are arranged in sequence on the front face of the fixing seat; a high-voltage tester (7) is arranged on one side of the top of the test cabinet (2); a transformer test platform (8) is arranged on the top of the high-voltage tester (7); a protective cover body (9) is arranged on the top of the high-voltage tester (7) and outside the transformer test platform (8); the protective cover body (9) and the high-voltage tester (7) are connected via a plurality of limit fixing mechanisms (10).

2. A small transformer testing platform according to claim 1, characterized in that: A cavity is provided on one side of the test cabinet (2), a control system (5) is placed in the cavity, and a keyboard body is provided at the top of the test cabinet (2) in front of the computer display (1).

3. A small transformer testing platform according to claim 1, characterized in that: A placement cavity is provided on one side of the front end surface of the test cabinet (2), and a computer host (6) is arranged and placed in the placement cavity.

4. A small transformer testing platform according to claim 1, characterized in that: The position limiting and fixing mechanism (10) comprises a fixed shaft, a movable plate is rotatably mounted on the top of the fixed shaft, and the movable plate is in the form of a rectangular parallelepiped.

5. A small transformer testing platform according to claim 1, characterized in that: The bottom end of the exterior of the protective cover body (9) is provided with an extended convex plate, and a through hole is provided in the extended convex plate at the movable plate.

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