In our lives, it seems not difficult to find that USB sockets are needed in many places. It is a new type of socket, the biggest advantage is safe power saving, suitable for weak current electronic products, such as communication products, audio and video products, etc., especially the mobile phones we use now, can hardly be separated from usb sockets, but the market There are so many USB sockets, how do we choose? Let me introduce the following USB sockets, let us understand it deeply!
Type one: straight through usb socket
It is characterized by no buttons, with or without indicators, relatively speaking, its cost is relatively low, but the safety index of this product is not perfect, there is no perfect safety index for the USB socket standard on the market, which makes the market Most of the low-cost USB sockets inside are mostly straight-through USB sockets, but the USB in the sockets has been in contact with the household voltage, which not only greatly reduces its service life, but also has relatively large safety risks.
Category 2: USB socket with button
It is characterized by its own button, with or without indicator, relatively safe performance is relatively high, if it is a USB socket with a button, then its USB circuit on and off is integrated on a button, when we press the button At this time, the USB in the socket will be powered on, otherwise it is in a power-off state, so that the USB in the socket does not need to keep in contact with the household voltage all the time, which greatly reduces its potential safety hazards.
Type 3: USB socket
It is characterized by whether it can be taken or not, and there is a switch inside, which will be turned on when plugged in, and will be turned off when we pull it out. Because the USB socket of the button is not user-friendly, many people forget to close the button after pulling out the USB cable, and some buttons are too old-fashioned, whether they are turned on or off, they are pressed, which sometimes makes us not know that the USB is The battery is still off, so this requires a kind of automatic on and off usb socket, which can be automatically charged as long as it is plugged in, and it will automatically power off when unplugged, which is very intelligent and humanized. There are two main types of switches, one is a door switch and the other is a core switch, also called a micro switch.
For the new type of electronic products such as USB sockets, there are of course some people worrying about its safety, but in fact USB sockets are weak electronic products, and its output voltage is very low, only about 5V. Good quality USB sockets all have the function of intelligent current distribution, so how do we choose to buy USB sockets? First, we must consider the price factor. For a USB socket with intelligent current distribution, its cost must not be too low. We can refer to the prices of some big-name USB sockets. If the price is ridiculously low, then its quality problems and safety performance may not be so guaranteed. It is better to choose a good brand with reasonable price and guaranteed quality to purchase, so that when you use it, you will also have an extra security guarantee.
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