CN-122017430-A - Aging tester for electric power regulator

Abstract

The invention relates to the technical field of power electronic testing and discloses an aging testing machine for a power regulator, which comprises a multi-voltage power supply module, a safe power-on control module, a test load module and a test interface module, wherein the multi-voltage power supply module is used for providing test power sources with various voltage levels in the same testing equipment, the voltage levels are respectively output through mutually independent power supply paths, the safe power-on control module comprises a total power-on control unit and path enabling units respectively corresponding to the voltage levels, the test load module comprises two different types of load units, the automatic control module is used for outputting control signals to the tested power regulator, and the test interface module is used for testing the tested power regulator. Through integrating the multi-voltage power supply module in the same test equipment to cooperate with the safe power-on control module, realize the selective output to different voltage grades, make the test machine can accomplish the test of many specifications electric power regulator under the condition of not changing external power source, avoid many voltage misconnection risks, improve security, commonality and the equipment integration of test procedure.

Inventors

• FU WENBAO
• XIANG YICHEN

Assignees

• 上海滴水成湖智能科技有限公司

Dates

Publication Date

20260512

Application Date

20260316

Claims (10)

1. 1. A power regulator burn-in machine, comprising: the multi-voltage power supply module provides test power sources with a plurality of different voltage classes in the same test equipment, and each voltage class is output through mutually independent power supply channels; The safety power-on control module is arranged between the multi-voltage power supply module and the test output end and comprises a total power-on control unit and a channel enabling unit corresponding to each voltage class respectively; Wherein the power supply channels of the corresponding voltage classes are switched on only when the total power-on control unit is in an allowed state and the selected channel enabling unit is triggered; The test load module comprises two different types of load units, wherein the first load unit is used for performing aging test on the tested power regulator, and the second load unit is used for performing function detection on the tested power regulator; The automatic control module outputs a control signal to the tested electric power regulator, and automatically adjusts the output state of the control signal according to preset parameters so as to simulate the working condition of the tested electric power regulator; and the test interface module is used for electrically connecting the main power supply end, the load end and the control end of the tested power regulator with the multi-voltage power supply module, the test load module and the automatic control module respectively.
2. 2. The power regulator burn-in machine of claim 1 wherein said multi-voltage power module is configured to provide at least four different voltage levels, including an adjustable voltage level and a plurality of fixed voltage levels.
3. 3. The power regulator burn-in machine of claim 2, wherein the multi-voltage power supply module comprises a voltage regulation unit for providing the adjustable voltage level and a voltage transformation unit for providing the fixed voltage level.
4. 4. The power regulator burn-in machine of claim 1 wherein said safety power-on control module is configured to allow only one of said power paths to be on at any one time, preventing multiple voltage levels from simultaneously supplying power to the power regulator under test.
5. 5. The power regulator burn-in machine of claim 4 wherein said overall power-on control unit is electrically interlocked with each of said path enabling units, said path enabling units controlling respective ones of said actuating switching elements in corresponding power paths.
6. 6. The power regulator burn-in machine of claim 1, wherein the first load unit is a resistive load unit for performing a long-term power-on burn-in test of the power regulator under test.
7. 7. The power regulator aging tester according to claim 6, wherein the second load unit is a visual load unit, and is configured to intuitively determine the operating state of the tested power regulator through a change of a load state during a function detection process.
8. 8. The power regulator aging tester according to claim 1, wherein the automatic control module includes a feedback acquisition unit and a control operation unit, the control operation unit performing closed-loop adjustment on the control signal based on parameter information acquired by the feedback acquisition unit.
9. 9. The power conditioner burn-in machine of claim 8, wherein the automatic control module is configured to output at least one of an analog control signal and a switching control signal to adapt to different types of power conditioners or solid state contactors.
10. 10. The power regulator burn-in machine of claim 1, wherein the test interface module comprises an insulated connection interface for enabling a secure electrical connection between the power regulator under test and the machine during testing.

Description

Aging tester for electric power regulator Technical Field The invention relates to the technical field of power electronic testing, in particular to an aging testing machine for a power regulator. Background The power regulator is a power electronic device for regulating and controlling an alternating current power supply, is widely applied to the fields of industrial heating, illumination dimming, motor speed regulation and the like, and generally needs to be subjected to aging test and function detection in order to ensure that the power regulator can stably and safely run before delivery or use, and the power regulator aging test machine is used as special test equipment, the power supply system is mainly used for providing power supply, load and control signals for the tested power regulator under controlled conditions so as to simulate the actual working state of the power regulator, thereby verifying the performance and reliability of the power regulator. However, in the current technology, the aging test of the power regulator generally needs to configure test power supplies for different voltage classes or frequently replace wiring modes, and voltage selection errors or misconnection problems easily occur in a multi-voltage test scene, so that the safety of the test process is insufficient, the universality is poor, and the centralized and efficient test of the multi-specification power regulator is difficult to realize. Disclosure of Invention Aiming at the defects of the prior art, the invention provides an aging tester for a power regulator, which solves the problems of complicated multi-voltage switching and easy voltage misconnection in the existing aging test. In order to achieve the purpose, the invention is realized by the following technical scheme that the power regulator aging tester comprises: the multi-voltage power supply module provides test power sources with a plurality of different voltage classes in the same test equipment, and each voltage class is output through mutually independent power supply channels; The safety power-on control module is arranged between the multi-voltage power supply module and the test output end and comprises a total power-on control unit and a channel enabling unit corresponding to each voltage class respectively; Wherein the power supply channels of the corresponding voltage classes are switched on only when the total power-on control unit is in an allowed state and the selected channel enabling unit is triggered; The test load module comprises two different types of load units, wherein the first load unit is used for performing aging test on the tested power regulator, and the second load unit is used for performing function detection on the tested power regulator; The automatic control module outputs a control signal to the tested electric power regulator, and automatically adjusts the output state of the control signal according to preset parameters so as to simulate the working condition of the tested electric power regulator; and the test interface module is used for electrically connecting the main power supply end, the load end and the control end of the tested power regulator with the multi-voltage power supply module, the test load module and the automatic control module respectively. Preferably, the multi-voltage power supply module is configured to provide at least four different voltage levels, including an adjustable voltage level and a plurality of fixed voltage levels. Preferably, the multi-voltage power supply module comprises a voltage regulating unit and a voltage transformation unit, wherein the voltage regulating unit is used for providing the adjustable voltage level, and the voltage transformation unit is used for providing the fixed voltage level. Preferably, the safety power-on control module is used for allowing only one power supply path to be in a connection state at any time, so as to prevent a plurality of voltage levels from simultaneously supplying power to the tested power regulator. Preferably, the total power-on control unit is connected with each path enabling unit in an electric interlocking mode, and the path enabling units respectively control the execution switching elements in the corresponding power supply paths. Preferably, the first load unit is a resistive load unit, and is used for performing a burn-in test of long-time power-on operation on the tested power regulator. Preferably, the second load unit is a visual load unit, and is configured to intuitively determine, in a function detection process, a working state of the measured power regulator through a change of a load state. Preferably, the automatic control module comprises a feedback acquisition unit and a control operation unit, and the control operation unit performs closed-loop adjustment on the control signal based on the parameter information acquired by the feedback acquisition unit. Preferably, the automatic control module is configured to outp