Many people are worried that USB sockets, a new type of electronic product, will overcharge, but this is not the case
A good USB socket has the function of intelligently distributing current, so How should we choose a USB socket?
1. Look at the price. The cost of a USB socket with intelligent current distribution and overload protection is naturally indispensable. For these price standards, you can refer to the prices of USB sockets of major brands. If it is too low, you should Consider its safety performance. After all, safety comes first. Remember not to be greedy for petty gains or take chances.
2. It is best to choose a USB socket with an indicator light. The indicator light can show whether the contact is good and whether the internal circuit is smooth, which plays a warning role in terms of safety. (Misunderstanding: The indicator light does not mean that the USB socket automatically switches on and off. The indicator light only means that there is normal power when plugged in, and whether the plug-in cable is inserted normally, but not whether there is power when in standby. The internal core type automatic switching USB socket is The patents of very few brands are now abundant, and they are usually marked with automatic on and off)
3. It is best to use a USB socket with a button or automatic on and off, so that the USB does not need to run for a long time and consume power. , heat (details are introduced in the current market types)
4. When choosing an automatic on-off USB socket, choose an automatic USB socket with an automatic on-off or door switch.
5. The tightness of the USB socket is just right, neither loose nor too tight, and the plug and pull strength is acceptable. [3]
6. All sockets must be able to pass the 750°C glow wire test, which means that no flame will appear on the socket shell when encountering an open flame.
7. The interior should be designed with an integrated copper sleeve. (from encyclopedia)