The power adapter is a commonly used component in electronic products, but over time, the power adapter will appear aging phenomenon, resulting in performance degradation or even failure. Therefore, effective aging test it is essential to ensure product quality. This article will introduce several common power adapter aging test methods.

1. AC aging test

AC aging test is a common power adapter aging test method, by applying a certain frequency and amplitude of the AC signal to the power adapter aging test. This method can simulate the use of actual working conditions, and detect whether the power adapter has problems such as loss and leakage at high frequencies.

2. DC aging test

DC aging test is to apply continuous DC voltage under certain temperature conditions to carry out aging test. This method can detect whether leakage, breakdown and other faults occur inside the power adapter under long-term high voltage conditions.

3. heat aging test

the thermal aging test is to place the power adapter in a high temperature environment for accelerated aging experiments to simulate the high temperature conditions that may be encountered in long-term use. The heat resistance was evaluated by comparing and observing its performance changes under different temperature conditions.

4. vibration aging test

vibration aging test is to place the equipment equipped with the tested power adapter on the vibration table for vibration experiment to simulate the vibration situation that may be encountered during transportation or equipment work, and to detect whether it causes the internal structure to be loose or poor contact.

In addition to the above traditional methods, advanced non-destructive testing techniques such as infrared thermal imaging, X-ray inspection and other means can be used to assist in judging and evaluating the internal structure and material status of the power adapter, and quickly find out the potential failure point without destroying the shell.

In short, in the face of increasingly stringent and diverse and complex needs, it is very important and necessary to choose the right and multi-compound means. Therefore, it is necessary to take into account the balance between economy, speed and accuracy when carrying out the specific process.