How to conduct quality inspection during the production process of Black power box to ensure that it meets relevant safety and performance standards?
Publish Time: 2024-08-10
In the production process of Black power box, quality inspection is a key link to ensure that it meets safety and performance standards.
First of all, the inspection of the shell material is crucial. It is necessary to pass the material strength test, such as using professional pressure testing equipment to simulate the actual external force impact that may be sustained, to ensure that the shell can effectively protect the internal circuit. At the same time, conduct insulation resistance test to detect the insulation performance of the shell to prevent leakage risk. Use combustion test to evaluate its fire resistance to see whether it can prevent the spread of flames within a certain period of time and meet the relevant fire protection grade standards.
For the internal circuit, electrical parameter detection is required. Measure the accuracy and stability of input and output voltage and current to ensure that the power box can work normally within the specified voltage and current range. Use oscilloscopes and other equipment to detect the ripple voltage in the circuit. Excessive ripple will affect the normal operation of electronic equipment and must be controlled within a reasonable range. It is also necessary to check the grounding of the circuit. Good grounding is an important measure to ensure the safety of electricity use.
Heat dissipation performance detection is also essential. By simulating the heating of the power box in actual work, use temperature sensors to monitor temperature changes in different parts. If the temperature is too high, it may affect the life of electronic components and the reliability of the power box. Make sure that the heat dissipation design is reasonable, such as the size and layout of the heat dissipation holes to meet the heat dissipation requirements.
After assembly, conduct an overall sealing performance test. The pressure difference method can be used to place the power box in a certain pressure environment to detect whether there is gas or water vapor penetrating into the interior. Because a good seal can prevent dust and moisture from damaging the circuit.
In addition, an aging test is also required. Let the power box run continuously for a period of time under certain working conditions to observe whether its performance is stable and whether there are any faults. Through these comprehensive quality inspection methods, problems in the production process can be discovered and corrected in a timely manner, thereby ensuring that the Black power box meets relevant safety and performance standards and provides users with reliable power supply and safety protection.
