Transformer capacity tester

Abstract

The utility model relates to the technical field of electrical engineering, and discloses a transformer capacity tester. The transformer capacity tester comprises a tester main body, a portable handle, a heat dissipation port, fan blades, a motor, a filter screen, an air inlet, a box cover, a lock catch, a buffer sponge, a hinge, a digital display screen, a control knob, a control button, an indicator light, a power interface, a ground interface, a measurement interface, a circuit board, a voltage sensor, a microprocessor and a current sensor, the portable handle is fixedly connected to the upper end of the tester main body. According to the transformer capacity tester, the built-in voltage sensor, the built-in current sensor and the built-in frequency measuring device ensure high precision and reliability of measurement, which are crucial for accurately evaluating the working capacity and efficiency of the transformer, and the design of the measuring interface enables the tester to be suitable for transformers of different models and specifications. And the application range is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical engineering, in particular to a transformer capacity tester. Background Art

[0002] With the increase in electricity demand and the complexity of the power grid, it is crucial to ensure that transformers operate efficiently and safely under the designed load. Overloaded transformers may cause grid failures or even accidents, while transformers with insufficient capacity cannot meet power demand, affecting the reliability of the grid and the power supply to users. Therefore, the technical development of transformer capacity testers aims to provide an accurate and reliable way to measure and evaluate the actual capacity of transformers. By regularly testing the transformer, potential performance degradation or failure risks can be discovered in time, so that necessary repairs or replacements can be made to ensure the stable operation of the power system.

[0003] The prior art patent document CN212749091U discloses a transformer capacity tester, including a host, a display screen, a control panel, a charging port, a terminal block and a host switch button are arranged on the host, a lithium battery, a 50Hz AC power supply and a control mechanism are arranged inside the host, the charging port is connected to the input end of the lithium battery, the output end of the lithium battery is connected to the power input end of the control mechanism, the output ends of the control panel, the terminal block and the host switch button are respectively connected to the input end of the control mechanism, the output end of the control mechanism is respectively connected to the display screen and the input end of the 50Hz AC power supply, and the output end of the 50Hz AC power supply is connected to the terminal block; the host is also provided with a wireless communication module, and the wireless communication module is connected to the signal transmission end of the control mechanism. The utility model does not need external three-phase test power supply, voltage regulator and current booster and other auxiliary equipment, and can test the characteristic parameters of the transformer, thereby improving the efficiency of detection.

[0004] However, due to the poor heat dissipation capability of the transformer capacity tester in the prior art CN212749091U patent, the heat inside the device cannot be timely dissipated during long-term use, which may cause damage to components and reduce the service life of the device. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model aims to provide a transformer capacity tester to solve the problem of poor heat dissipation capability of the transformer capacity tester proposed in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transformer capacity tester, which includes a tester body, a portable handle, a heat dissipation port, a fan blade, a motor, a filter, an air inlet, a box cover, a lock, a buffer sponge, a hinge, a digital display screen, a control knob, a control button, an indicator light, a power interface, a ground interface, a measurement interface, a circuit board, a voltage sensor, a microprocessor, a current sensor, a frequency measuring device and a data storage device. The portable handle is fixedly connected to the upper end of the tester body, the heat dissipation port is fixedly connected to the front end of the tester body, the fan blade is movably connected to the front end of the heat dissipation port, the motor is fixedly connected to the rear end of the fan blade, and the filter is fixedly connected to the front side of the fan blade. The tester body is the core of the device and is equipped with a portable handle for easy carrying. The heat dissipation port and the fan blade are driven by a motor and work together with the filter and the air inlet to ensure that the device maintains an appropriate temperature during operation. The box cover can be fixed by a lock.

[0009] Preferably, the air inlet is fixedly connected to the rear end of the tester body, the box cover is movably connected to the front end of the tester body, and the lock is fixedly connected to the upper end of the box cover.

[0010] Preferably, the buffer sponge is fixedly connected to the inside of the box cover, the hinge is movably connected to the inside of the box cover, the digital display screen is fixedly connected to the left end of the tester body, a buffer sponge is installed inside to protect internal components, and the hinge allows the box cover to be easily opened and closed.

[0011] Preferably, the control knob is fixedly connected to the lower side of the digital display screen, the control button is fixedly connected to the lower side of the digital display screen, and the indicator light is fixedly connected to the left end of the tester body.

[0012] Preferably, the power interface is fixedly connected to the left end of the tester body, the ground interface is fixedly connected to the left end of the tester body, and the measurement interface is fixedly connected to the left end of the tester body.

[0013] Preferably, the circuit board is fixedly connected to the inside of the tester body, the voltage sensor is fixedly connected to the upper end of the circuit board, and the microprocessor is fixedly connected to the upper end of the circuit board. The internal circuit board is equipped with a voltage sensor, a microprocessor, a current sensor and a frequency measuring device. These components work together to accurately measure the input and output voltage, current and frequency of the transformer. The microprocessor analyzes these data and records and processes them through a data storage device.

[0014] Preferably, the current sensor is fixedly connected to the upper end of the circuit board, the frequency measuring device is fixedly connected to the upper end of the circuit board, and the data storage device is fixedly connected to the upper end of the circuit board.

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

[0016] 1. The transformer capacity tester, built-in voltage sensor, current sensor and frequency measurement device ensure high accuracy and reliability of measurement, which is essential for accurately evaluating the working capacity and efficiency of the transformer. The design of the measurement interface enables the device to be applicable to transformers of different models and specifications, thus increasing its application range;

[0017] 2. The design of the transformer capacity tester takes into account the convenience of carrying and use. The portable handle and compact design make it easier to move and arrange in different occasions. The digital display screen combined with the control knob and buttons constitutes an intuitive and user-friendly operation interface, which is convenient for users to set test parameters and read results;

[0018] 3. The transformer capacity tester has a microprocessor that provides powerful data processing capabilities. Together with the data storage device, it can not only display the test results instantly, but also store a large amount of data for subsequent analysis. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the box of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the heat dissipation device of the utility model.

[0023] In the figure: 1. Tester body; 2. Portable handle; 3. Heat dissipation vent; 4. Fan blades; 5. Motor; 6. Filter; 7. Air inlet; 8. Box cover; 9. Lock; 10. Buffer sponge; 11. Hinge; 12. Digital display screen; 13. Control knob; 14. Control button; 15. Indicator light; 16. Power interface; 17. Ground interface; 18. Measurement interface; 19. Circuit board; 20. Voltage sensor; 21. Microprocessor; 22. Current sensor; 23. Frequency measurement device; 24. Data storage device. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 4 The utility model provides a technical solution: a transformer capacity tester, the transformer capacity tester includes a tester body 1, a portable handle 2, a heat dissipation port 3, a fan blade 4, a motor 5, a filter 6, an air inlet 7, a box cover 8, a lock 9, a buffer sponge 10, a hinge 11, a digital display screen 12, a control knob 13, a control button 14, an indicator light 15, a power interface 16, a ground interface 17, a measurement interface 18, a circuit board 19, a voltage sensor 20, a microprocessor 21, a current sensor 22, a frequency measuring device 23 and a data storage device 24, the portable handle 2 is fixedly connected to the upper end of the tester body 1, and the heat dissipation port 3, a fan blade 4, a motor 5, a filter 6, an air inlet 7, a box cover 8, a lock 9, a buffer sponge 10, a hinge 11, a digital display screen 12, a control knob 13, a control button 14, an indicator light 15, a power interface 16, a ground interface 17, a measurement interface 18, a circuit board 19, a voltage sensor 20, a microprocessor 21, a current sensor 22, a frequency measuring device 23 and a data storage device 24. The heat outlet 3 is fixedly connected to the front end of the tester body 1, the fan blade 4 is movably connected to the front end of the heat outlet 3, the motor 5 is fixedly connected to the rear end of the fan blade 4, the filter 6 is fixedly connected to the front side of the fan blade 4, the air inlet 7 is fixedly connected to the rear end of the tester body 1, the box cover 8 is movably connected to the front end of the tester body 1, and the lock 9 is fixedly connected to the upper end of the box cover 8. The main body 1 of the tester is the core of the device and is equipped with a portable handle 2 for easy carrying. The heat outlet 3 and the fan blade 4 are driven by the motor 5, and work together with the filter 6 and the air inlet 7 to ensure that the device maintains an appropriate temperature during operation. The box cover 8 can be fixed by the lock 9.

[0026] The buffer sponge 10 is fixedly connected to the inside of the box cover 8, the hinge 11 is movably connected to the inside of the box cover 8, the digital display screen 12 is fixedly connected to the left end of the tester body 1, the control knob 13 is fixedly connected to the lower side of the digital display screen 12, the control button 14 is fixedly connected to the lower side of the digital display screen 12, the indicator light 15 is fixedly connected to the left end of the tester body 1, the power interface 16 is fixedly connected to the left end of the tester body 1, the ground interface 17 is fixedly connected to the left end of the tester body 1, and the measurement interface 18 is fixedly connected to the left end of the tester body 1. The buffer sponge 10 is installed inside to protect the internal components. The hinge 11 allows the box cover to be easily opened and closed. The operating interface of the equipment includes the digital display screen 12, the control knob 13, the control button 14 and the indicator light 15. These components together constitute a user interface, which is convenient for the operator to set parameters, start tests and read results.

[0027] The circuit board 19 is fixedly connected to the inside of the tester body 1, the voltage sensor 20 is fixedly connected to the upper end of the circuit board 19, the microprocessor 21 is fixedly connected to the upper end of the circuit board 19, the current sensor 22 is fixedly connected to the upper end of the circuit board 19, the frequency measuring device 23 is fixedly connected to the upper end of the circuit board 19, and the data storage device 24 is fixedly connected to the upper end of the circuit board 19. The measurement interface 18 is used to connect the device to the transformer for actual capacity testing. The internal circuit board 19 is equipped with a voltage sensor 20, a microprocessor 21, a current sensor 22 and a frequency measuring device 23. These components work together to accurately measure the input and output voltage, current and frequency of the transformer. The microprocessor analyzes these data and records and processes them through the data storage device 24. In actual operation, the tester first turns on the power through the power interface 16, and ensures proper grounding through the ground interface 17.

[0028] Working principle: The main body 1 of the tester is the core of the device, equipped with a portable handle 2 for easy carrying. The heat dissipation vent 3 and the fan blade 4 are driven by a motor 5, and work together with the filter 6 and the air inlet 7 to ensure that the device maintains an appropriate temperature during operation. The box cover 8 can be fixed by a lock 9, and a buffer sponge 10 is installed inside to protect the internal components. The hinge 11 allows the box cover to be easily opened and closed. The operating interface of the device includes a digital display screen 12, a control knob 13, a control button 14 and an indicator light 15. These components together constitute the user interface, which is convenient for the operator to set parameters, start tests and read results. The power interface 16 and the ground interface 17 ensure the power supply and safe grounding of the device. The measurement interface 18 is used to connect the device to the transformer for actual capacity testing. The internal circuit board 19 is equipped with a voltage sensor 20, a microprocessor 21, a current sensor 22 and a frequency measurement device 23. These The components work together to accurately measure the input and output voltage, current and frequency of the transformer. The microprocessor analyzes the data and records and processes them through the data storage device 24. In actual operation, the tester first connects to the power supply through the power interface 16, and ensures proper grounding through the ground interface 17. The operator sets the test parameters through the control button 14 and the knob 13, and the digital display screen 12 displays relevant information. After the test starts, the measurement interface 18 transmits the data of the transformer to the circuit board 19, the voltage sensor 20 and the current sensor 22 and the frequency measurement device 23 start to collect data, the microprocessor 21 processes the data and displays the results on the digital display screen 12, and stores them in the data storage device 24 for subsequent analysis. The heat dissipation system includes the heat dissipation port 3, the fan blades 4 and the motor 5 to maintain the stable operation of the equipment during the whole process, ensuring the accuracy of the test and the long-term durability of the equipment.

[0029] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A transformer capacity tester, comprising a tester body (1), a portable handle (2), a heat dissipation port (3), fan blades (4), a motor (5), a filter (6), an air inlet (7), a box cover (8), a lock (9), a buffer sponge (10), a hinge (11) and a digital display screen (12), characterized in that: The portable handle (2) is fixedly connected to the upper end of the tester body (1), the heat dissipation port (3) is fixedly connected to the front end of the tester body (1), the fan blade (4) is movably connected to the front end of the heat dissipation port (3), the motor (5) is fixedly connected to the rear end of the fan blade (4), and the filter (6) is fixedly connected to the front side of the fan blade (4).

2. A transformer capacity tester according to claim 1, characterized in that: The air inlet (7) is fixedly connected to the rear end of the tester body (1), the box cover (8) is movably connected to the front end of the tester body (1), and the lock (9) is fixedly connected to the upper end of the box cover (8).

3. A transformer capacity tester according to claim 2, characterized in that: The buffer sponge (10) is fixedly connected to the inside of the box cover (8), the hinge (11) is movably connected to the inside of the box cover (8), and the digital display screen (12) is fixedly connected to the left end of the tester body (1).

4. A transformer capacity tester according to claim 3, characterized in that: The control knob (13) is fixedly connected to the lower side of the digital display screen (12), the control button (14) is fixedly connected to the lower side of the digital display screen (12), and the indicator light (15) is fixedly connected to the left end of the tester body (1).

5. A transformer capacity tester according to claim 4, characterized in that: The power interface (16) is fixedly connected to the left end of the tester body (1), the ground interface (17) is fixedly connected to the left end of the tester body (1), and the measurement interface (18) is fixedly connected to the left end of the tester body (1).

6. A transformer capacity tester according to claim 5, characterized in that: The circuit board (19) is fixedly connected inside the tester body (1), the voltage sensor (20) is fixedly connected to the upper end of the circuit board (19), and the microprocessor (21) is fixedly connected to the upper end of the circuit board (19).

7. A transformer capacity tester according to claim 6, characterized in that: The current sensor (22) is fixedly connected to the upper end of the circuit board (19), the frequency measuring device (23) is fixedly connected to the upper end of the circuit board (19), and the data storage device (24) is fixedly connected to the upper end of the circuit board (19).

Images