The high temperature and high humidity storage test is one of the environmental adaptability test contents of the power module, and in the actual use process, due to the different application scenarios, the environment in which the power supply is located is also diverse, so it is necessary to test the adaptability of the power supply to various environments and improve the performance and reliability of the power supply.
The purpose of the power supply high temperature and high humidity storage test is to measure the influence of the environment on the power supply structure, components and the electrical of the whole machine, so as to judge the rationality of the power supply structure design and parts selection. The equipment required during the test includes:
AC power. Electronic loads.
Power meter. Temperature-controlled room.
High voltage tester.
Test conditions:
Temperature: 70 2
Humidity: 90-95%.
Test time: 24hrs (non-operating conditions).
Test Steps:
1.Record the input power, output voltage and hi-pot status of the DUT before testing;
2.Put the confirmed DDUT into the constant temperature and humidity machine, set the temperature and humidity according to the specifications, and then start the temperature control room;
3.Start the test, after 24 hours of testing, the test should be placed in the air for at least 4hrs, and then confirm whether the appearance, structure and electrical performance of the test product are normal.
During the test, it should be noted that the power supply performance should not be degraded or degraded during and after the test, and the dielectric strength and insulation resistance test of the power module after the test should meet the requirements of the specification.
The power supply has a long time for high temperature and high humidity storage testing, and the power module automated test system can be used for testing, liberating manpower, improving test efficiency and accuracy, and feeding back the results with pass and fail indicators, and the test results are intuitively visible. The power supply test system is highly flexible and compatible, users can freely choose the instrument model, the operation is simple, and the program development and testing do not need to be centralized in one person, so as to achieve high-efficiency testing.