source:power adapter Popular:adapter release time:2021-08-06 10:20:05 Article author:sznbone
The power adapter is a commonly used power conversion device, which is widely used in electronic communication equipment, notebook computers, game consoles and other electronic products and information equipment. There are many types of power adapters, including AC/AC and AC/DC power converters, charging And other products. The power adapter manufacturer will introduce to you what quality problems will occur:
1. Irregular power plug
my country stipulates that household single-phase power plugs have two forms of two-stage non-polar grounding and two-stage grounding. The power plug should be able to prevent single-stage insertion during use.
2. The heating under normal working conditions does not meet the requirements. The high temperature rise of the power adapter under normal working conditions is a common problem, and it is easy to cause fires due to the high temperature during working. The difference between the temperature of the power adapter shell and the ambient temperature cannot exceed 60°C. Even if the ambient temperature reaches 35°C in the hot summer, the shell temperature cannot exceed 95°C. If the product temperature rises too high, we should stop using it in time.
3. Incomplete or irregular product marking
The mark should contain important information to guide the user in the correct installation and use, and the mark of the product should be correctly marked to ensure the user's personal and property safety.
4. The product has potential safety performance hazards when short-circuit and overload
Under the condition of output short-circuit and short-circuit of components such as capacitors or diodes, the internal loss of the power adapter increases sharply, causing the temperature of various parts to rise.
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