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Power Supply For Massage Chairs
Chargers can be brought on the plane, but the charging treasure on the rules, 1, charging treasure less than 20,000 mA can be carried over the security check on the plane. 2, more than 20,000 mA less than 32,000 mA must be approved by the airlines to bring on the plane. 3, the charging treasure...
Description
The basic method of power supply factory inspection
Inspection is an important work in the production of power adapter manufacturers, throughout the whole process of power adapter production.
Power adapter inspection generally includes self-inspection, mutual inspection and full-time inspection of the three-tier inspection system. Usually the inspection work mainly refers to full-time inspection, that is, the power adapter manufacturer quality management department of the full-time staff to observe and compare all the raw materials, components, parts and components required for the switching power adapter, until the switching power adapter of the whole machine in accordance with the corresponding technical documents. And judgment work.
The inspection method of power supply has two kinds of full inspection and sampling. The inspection method of the product should be determined according to the characteristics, requirements and production stage of the product. Both to ensure the quality of the product, but also to adhere to the principle of economic rationality.
Power adapter
1. Full inspection
Full inspection is the inspection of all products. Full inspection can improve the reliability of the product, but will consume a lot of manpower and material resources to increase the production cost of the product. Generally only for products with high reliability requirements, such as military products, trial products, production conditions and production process changes in the production of products for full inspection.
2. Sampling
Sampling is a widely used inspection method by power adapter manufacturers.
Sampling inspection should be carried out under the premise of mature product design, standardized technology, stable equipment, reliable equipment. The number of samples should be based on the basis of the product being tested and the national standards for sampling standards to determine. Sampling should not be taken from the continuous production of the product, but should be randomly selected from the product batch. Sampling results should be recorded, sampling products fail to determine the relevant product failure standards.
3、Test results of the judgment
Power adapter failure usually includes fatal defects, heavy defects and light defects. Fatal defects refers to safety defects, is a negative failure, that is, as long as there are fatal defects in the sample, the sampling batch of products judged to be unqualified. Heavy defects are A-faults and light defects are B-faults. In the absence of fatal defects, according to the sampling samples in the A, B unqualified number and national standards in the sampling standards to determine the sampling products qualified.
Power adapters are often judged by the product qualification level (AQL). Different quality requirements of the product has different quality indicators. Inspection should be based on the product under test in the specified AQL value allows the number of A and B failures to determine.
If you want to know more about switching power supply information, you can consult Xiamen Eahunt Electronics.
Whatsapp:+86 13860786068
Email: athene-cai@eahunt.com
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