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The composition structure of the power adapter

by:Fuyuang     2020-05-27
The composition of the power adapter tectonic power adapter ( 电源适配器) A small portable electronic devices and electronic power supply power transformation equipment, generally consists of shell, transformer, inductance, capacitance, control components such as IC, PCB, it works by converting ac input dc output; According to the connection mode can be divided into the plug wall and desktop type. Plugged into a wall used in security cameras, set-top boxes, routers, article lamp, massager, and other equipment. Desktop to laptop charger. If there are any high-power power supply, general desktop shell. Power adapter, also called external power supply, a small portable electronic devices and electronic power supply voltage transformation equipment, common in mobile phones, LCD display and laptop computers and other small electronic products. Under the instructions of how to introduce you to the power adapter, as shown in the power adapter ( The following adapter) Usually has several label on is to be aware of. First, it's the adapter model, such as models is XVE - of the adapter 120100, it tells us a few information, is its manufacturer, the main parameters, such as XVE generally is the xyz company code, of the beginning of 120100 is that this adapter is 12 w, 050200 is 10 w. The second is the INPUT of the adapter ( Input) , gm in China usually is 100 - 240 v ~ 50 - 60 hz, this suggests that the adapter can be v - 100 240 v voltage under the normal work; The third is the OUTPUT of the adapter ( Output) , two Numbers can be very fast to calculate this adapter wattage, this adapter, for example, the voltage current 1 a = 12 w 12 v * ( Power) , indicating that the power supply is 12 w adapter. Most of the laptop power adapter can be used for the 100 ~ 240 v alternating current (ac) ( 50/60Hz) 。 Basically, most of the laptops are the external power supply, with a power cord and host connection, so can reduce the volume and weight of the host, only a handful of the electricity supply models built within the host. Have a nameplate on the power adapter, marked on the power, input and output voltage and power flow indicators, such as paying special attention to the range of input voltage, this is the so-called 'travel power adapter,' if a country to the mains voltage is 110 v, this feature is very useful, some of the gray notebook computers are sold only in country of origin, no such design is compatible with voltage, even only a single input voltage 110 v, in our country under the voltage of 220 v mains plug in will be burned.
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