Transformer mobile detection workstation equipment
By designing a transformer mobile detection workstation equipment with a multi-parameter detection module and an effective heat dissipation structure, the existing equipment has solved the problems of detection accuracy, installation complexity and heat dissipation effect, and achieved a more efficient and convenient inspection and installation process.
Patent Information
- Application Number
- CN202421778680.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The existing transformer mobile detection workstation equipment has errors during the inspection process, insufficient accuracy, and complex installation and disassembly, and poor heat dissipation effect.
A transformer mobile detection workstation equipment including a box, a base, a ratio test module, a DC resistance test module, an insulation resistance test module, a low voltage impedance test module and a dielectric loss test module are designed. The equipment realizes multi-parameter detection, convenient installation and effective heat dissipation through structures such as partition plates, fixed plates, sliders and heat dissipation networks.
The accuracy and effectiveness of multi-parameter detection of transformers is achieved, the installation and disassembly of modules is simplified, and the heat dissipation effect of the equipment is improved through the design of the heat dissipation network and fan.
Smart Images
Figure CN222926852U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformer mobile detection workstations, and particularly relates to a transformer mobile detection workstation device. Background Art
[0002] When detecting a transformer, a workstation is needed. When the workstation moves, the detection process becomes more convenient. Therefore, a transformer mobile detection workstation device needs to be set up.
[0003] When using a transformer mobile detection workstation device, in the prior art, when testing a transformer, it is generally detected through a module, resulting in detection errors and the accuracy not reaching the expected value. After installing the detection structure, it will generate a lot of heat itself, and the disassembly and assembly are rather troublesome. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a transformer mobile detection workstation device, which can detect multiple parameters of the transformer accurately and effectively, and is convenient for installing and dissipating heat from the module.
[0005] To achieve the above purpose, a transformer mobile detection workstation device is provided, including a box body. The lower end of the box body is fixedly connected with a base. Inside the box body, a turns ratio test module, a DC resistance test module, an insulation resistance test module, a low voltage impedance test module, and a dielectric loss test module are arranged from top to bottom. Partition plates are arranged between the turns ratio test module, the DC resistance test module, the insulation resistance test module, the low voltage impedance test module, and the dielectric loss test module. On one side of the turns ratio test module, the DC resistance test module, the insulation resistance test module, the low voltage impedance test module, and the dielectric loss test module, there is a fixing plate. On one side of the fixing plate, there is a mounting plate, and the mounting plate is fixedly connected to the inner wall of the box body. On the other side of the turns ratio test module, the DC resistance test module, the insulation resistance test module, the low voltage impedance test module, and the dielectric loss test module, there are transparent observation plates. On the side walls of the turns ratio test module, the DC resistance test module, the insulation resistance test module, the low voltage impedance test module, and the dielectric loss test module, two sliders are symmetrically and fixedly connected.
[0006] According to the described transformer mobile detection workstation device, four universal wheels are evenly arranged at the lower end of the base. A power switch is fixedly connected to the side wall of the box body, and a computer is fixedly connected to the upper end of the box body.
[0007] According to the described transformer mobile detection workstation device, liquid crystal displays are fixedly connected to one side of the turns ratio test module, DC resistance test module, insulation resistance test module, low-voltage impedance test module, and dielectric loss test module. The upper and lower ends of the partition board are symmetrically and fixedly connected with a first heat dissipation net and a second heat dissipation net.
[0008] According to the described transformer mobile detection workstation device, a magnet is fixedly connected to one side of the fixed plate. The magnet and the inside of the box are magnetically attracted to each other. A fixed frame is arranged between the fixed plates, and one side of the fixed frame is fixedly connected to one side of the mounting plate.
[0009] According to the described transformer mobile detection workstation device, two first bolts are symmetrically threadedly connected to the transparent observation plate. Two disassembly plates are symmetrically arranged at the upper and lower ends of the transparent observation plate.
[0010] According to the described transformer mobile detection workstation device, two second bolts are symmetrically threadedly connected to the disassembly plate.
[0011] According to the described transformer mobile detection workstation device, one side of the slider is slidably connected to a slide rail, and the slide rail is fixedly connected to the inner wall of the box.
[0012] According to the described transformer mobile detection workstation device, a cooling fan is installed on the fixed frame.
[0013] Beneficial effects:
[0014] 1. The turns ratio test module, DC resistance test module, insulation resistance test module, low-voltage impedance test module, and dielectric loss test module are respectively arranged inside the box, enabling it to detect multiple parameters of the transformer, making the detection accurate and effective.
[0015] 2. There are a first heat dissipation net, a second heat dissipation net, and a partition board fixedly connected between the turns ratio test module, the DC resistance test module, the insulation resistance test module, the low-voltage impedance test module, and the dielectric loss test module respectively. On both sides of the turns ratio test module, the DC resistance test module, the insulation resistance test module, the low-voltage impedance test module, and the dielectric loss test module, two sliders are symmetrically and fixedly connected. One side of the slider is slidably connected to a slide rail, and the slide rail is fixedly connected to the inner wall of the box. On the other side of the turns ratio test module, the DC resistance test module, the insulation resistance test module, the low-voltage impedance test module, and the dielectric loss test module, a fixing plate is fixedly connected. One side of the fixing plate is fixedly connected with a magnet, so that it can be pushed forward to install the module. On the other side of the module, there is a transparent observation board. On both sides of the transparent observation board, first bolts are symmetrically and threadedly connected. On the upper and lower ends of the transparent observation board, two disassembly boards are symmetrically arranged, and a plurality of second bolts are evenly and symmetrically threadedly connected to the disassembly boards, making it convenient to install the module and dissipate heat.
[0016] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present invention will be further described below in conjunction with the drawings and embodiments;
[0018] Figure 1 is a three-dimensional view of a transformer mobile detection workstation device proposed by the present invention;
[0019] Figure 2 is a schematic structural diagram of the inside of the box of a transformer mobile detection workstation device proposed by the present invention;
[0020] Figure 3 is a schematic structural diagram of the transparent observation board on the back of a transformer mobile detection workstation device proposed by the present invention;
[0021] Figure 4 is a schematic installation structure diagram of the internal detection module of a transformer mobile detection workstation device proposed by the present invention;
[0022] Figure 5 proposed by the present invention Figure 2 is a schematic structural diagram of the place A in
[0023] LEGEND DESCRIPTION:
[0024] 1. Box; 2. Computer; 3. Base; 4. Universal wheel; 5. Power switch; 6. Liquid crystal display screen; 7. Mounting plate; 8. Fixed plate; 9. Ratio test module; 10. DC resistance test module; 11. Insulation resistance test module; 12. Low voltage impedance test module; 13. Dielectric loss test module; 14. Fixed frame; 15. Cooling fan; 16. First heat dissipation net; 17. Partition board; 18. Second heat dissipation net; 19. Magnet; 20. Slide block; 21. Slide rail; 22. Transparent observation board; 23. First bolt; 24. Disassembly board; 25. Second bolt. Detailed implementation manners
[0025] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.
[0026] Referring to Figures 1 - 5 , an equipment for a mobile detection workstation of a transformer in an embodiment of the present utility model includes a box body 1. A base 3 is fixedly connected to the lower end of the box body 1. A ratio test module 9, a DC resistance test module 10, an insulation resistance test module 11, a low voltage impedance test module 12, and a dielectric loss test module 13 are respectively arranged in the box body 1 from top to bottom. A partition board 17 is arranged between the ratio test module 9, the DC resistance test module 10, the insulation resistance test module 11, the low voltage impedance test module 12, and the dielectric loss test module 13. A fixed plate 8 is arranged on one side of the ratio test module 9, the DC resistance test module 10, the insulation resistance test module 11, the low voltage impedance test module 12, and the dielectric loss test module 13. A mounting plate 7 is arranged on one side of the fixed plate 8, and the mounting plate 7 is fixedly connected to the inner wall of the box body 1. Transparent observation boards 22 are arranged on the other side of the ratio test module 9, the DC resistance test module 10, the insulation resistance test module 11, the low voltage impedance test module 12, and the dielectric loss test module 13. Two slide blocks 20 are symmetrically and fixedly connected to the side walls of the ratio test module 9, the DC resistance test module 10, the insulation resistance test module 11, the low voltage impedance test module 12, and the dielectric loss test module 13.
[0027] Ratio test module 9: It has a blind test function, that is, it can perform ratio and group tests without knowing the high and low voltage connection methods; on the basis of testing conventional transformers, Z-type transformers, and PT test samples, it adds a CT ratio polarity test function, with a wider application field; it has a wide range and high accuracy, the ratio measurement range can reach 10,000, and the test accuracy is guaranteed to be 0.3% when the highest value is 10,000; it has perfect protection functions such as reverse connection protection and output short circuit protection;
[0028] DC Resistance Test Module 10: For Yn-type, Y-type, and △-type windings, a three-phase measurement method can be used for testing, and the three-phase unbalance rate can be calculated. The maximum output current of the test power supply is 40A, and the test range is 0 - 25kΩ, meeting the test requirements of most transformers. It integrates the auxiliary magnetization method and the demagnetization function to meet various on-site test requirements. During the test process, it can automatically calculate the resistance value change rates within 5S, 15S, and 30S, which can assist the test personnel in judging the stability of the test data and prevent misreading of the data. It has a quantitative demagnetization function, which can obtain the initial residual magnetization rate before transformer demagnetization and the final residual magnetization rate after demagnetization is completed, quantify the initial residual magnetization and the demagnetization effect, and graphically display the demagnetization effect as a hysteresis curve, which is simple and intuitive.
[0029] Insulation Resistance Test Module 11: Adopts a fully isolated power supply scheme, and the low-voltage circuit (battery-powered, human-computer interaction operation circuit) is completely electrically isolated from the high-voltage circuit (numerical control high-voltage power supply, signal sampling circuit). The isolation voltage is as high as 30kV, thus ensuring the safety of the operator. It has the functions of testing insulation resistance IR, absorption ratio DAR, polarization index PI, dielectric discharge rate DD, and step voltage SV.
[0030] Dielectric Loss Test Module 13: CVT self-excitation method measurement (external standard capacitor, external self-excitation boost). The instrument should use frequency conversion technology to eliminate the 50Hz power frequency interference on-site, and reliable data can also be measured under 200% interference and in a strong electromagnetic interference environment. It adopts technologies such as digital filtering, bridge self-calibration, and frequency tracking, and cooperates with a high-precision three-terminal standard capacitor to achieve high-precision measurement of dielectric loss.
[0031] Low-Voltage Impedance Test Module 12: The instrument can use a single-phase AC power supply to test parameters such as low-voltage impedance of three-phase power transformers with different voltage levels and capacities and transformer groups composed of single-phase transformers. And according to the measured data, it calculates the longitudinal and transverse ratio changes of the single-phase impedance parameters of the transformer to judge whether there is deformation or displacement of the transformer winding and the degree of displacement deformation. Therefore, all tests can be completed with a single wiring during the test.
[0032] Four universal wheels 4 are evenly arranged at the lower end of the base 3, a power switch 5 is fixedly connected to the side wall of the box body 1, and a computer 2 is fixedly connected to the upper end of the box body 1.
[0033] A liquid crystal display screen 6 is fixedly connected to one side of the turns ratio test module 9, DC resistance test module 10, insulation resistance test module 11, low-voltage impedance test module 12, and dielectric loss test module 13. The first heat dissipation net 16 and the second heat dissipation net 18 are symmetrically and fixedly connected to the upper and lower ends of the partition board 17.
[0034] One side of the fixing plate 8 is fixedly connected with a magnet 19, which is used to attract and fix the fixing plate 8. The magnet 19 and the inside of the box body 1 are magnetically attracted to each other. A fixing frame 14 is arranged between the fixing plates 8, and one side of the fixing frame 14 is fixedly connected to one side of the mounting plate 7.
[0035] Two first bolts 23 are symmetrically threadedly connected to the transparent observation plate 22. The first bolts 23 are used to fix the transparent observation plate 22. Two disassembly plates 24 are symmetrically arranged at the upper and lower ends of the transparent observation plate 22.
[0036] Two second bolts 25 are symmetrically threadedly connected to the disassembly plate 24. The second bolts 25 are used to fix the disassembly plate 24.
[0037] One side of the slider 20 is slidably connected to a slide rail 21, and the slide rail 21 is fixedly connected to the inner wall of the box body 1.
[0038] A heat dissipation fan 15 is installed on the fixing frame 14, and the heat dissipation fan 15 is controlled by a power supply.
[0039] Working principle: The ratio transformation test module 9, the DC resistance test module 10, the insulation resistance test module 11, the low voltage impedance test module 12, and the dielectric loss test module 13 are respectively used for the ratio transformation test function, the DC resistance test function, the insulation resistance test function, the low voltage impedance test function, and the dielectric loss test function.
[0040] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the knowledge scope of those of ordinary skill in the art in the said technical field, various changes can also be made without departing from the purpose of the present invention.
Claims
1. A transformer mobile detection workstation device, comprising a box (1), characterized in that: The lower end of the box (1) is fixedly connected to a base (3); the box (1) is provided with a ratio test module (9), a DC resistance test module (10), an insulation resistance test module (11), a low voltage impedance test module (12), and a dielectric loss test module (13) from top to bottom; a partition plate (17) is provided between the ratio test module (9), the DC resistance test module (10), the insulation resistance test module (11), the low voltage impedance test module (12), and the dielectric loss test module (13); A fixing plate (8) is provided on one side of the dielectric loss test module (13), a mounting plate (7) is provided on one side of the fixing plate (8), and the mounting plate (7) is fixedly connected to the inner wall of the box body (1); a transparent observation plate (22) is provided on the other side of the transformation ratio test module (9), the DC resistance test module (10), the insulation resistance test module (11), the low voltage impedance test module (12), and the dielectric loss test module (13); and two sliders (20) are symmetrically fixedly connected to the side walls of the transformation ratio test module (9), the DC resistance test module (10), the insulation resistance test module (11), the low voltage impedance test module (12), and the dielectric loss test module (13).
2. A transformer mobile detection workstation device according to claim 1, characterized in that: Four universal wheels (4) are evenly arranged at the lower end of the base (3); a power switch (5) is fixedly connected to the side wall of the box (1); and a computer (2) is fixedly connected to the upper end of the box (1).
3. A transformer mobile detection workstation device according to claim 1, characterized in that: The transformation ratio test module (9), the direct current resistance test module (10), the insulation resistance test module (11), the low voltage impedance test module (12), and the dielectric loss test module (13) are all fixedly connected to a liquid crystal display screen (6) on one side, and the partition plate (17) is symmetrically fixedly connected to a first heat dissipation network (16) and a second heat dissipation network (18) at the upper and lower ends.
4. A transformer mobile detection workstation device according to claim 1, characterized in that: A magnet (19) is fixedly connected to one side of the fixing plate (8), and the magnet (19) and the inside of the box (1) are magnetically attracted to each other. A fixing frame (14) is arranged between the fixing plates (8), and one side of the fixing frame (14) is fixedly connected to one side of the mounting plate (7).
5. The transformer mobile detection workstation device according to claim 1 is characterized in that: Two first bolts (23) are symmetrically threadedly connected on the transparent observation plate (22), and two disassembly plates (24) are symmetrically arranged at the upper and lower ends of the transparent observation plate (22).
6. A transformer mobile detection workstation device according to claim 5, characterized in that: The disassembly plate (24) is symmetrically threaded with two second bolts (25).
7. The transformer mobile detection workstation device according to claim 1, characterized in that: One side of the sliding block (20) is slidably connected to a sliding rail (21), and the sliding rail (21) is fixedly connected to the inner wall of the box body (1).
8. A transformer mobile detection workstation device according to claim 4, characterized in that: A heat dissipation fan (15) is installed on the fixing frame (14).