USB charger Volume is also a key factor in fever
USB charger charging fever is a normal phenomenon, but if filled with hot, we should pay attention to whether the product quality problems. The original USB charger does not rule out possible malfunctions. Also charge, pay attention to whether the power of the USB charger with the phone phase with.
The other is that if the USB charger is not placed in a ventilated place to heat, or the charging time is too long, the internal electronic components in a long standby, itself will be hot. So a long time on the USB charger plug will certainly be hot. Or else your USB charger is not equipped with electrical appliances.
USB charger volume is also one of the key factors of fever, in order to facilitate carrying, we often like a smaller USB charger, the direction of the R & D manufacturers are also toward the small and fine to develop. But the volume becomes smaller, the cooling performance will be worse, the higher the requirements of electronic components. Take the capacitor, the high-voltage capacitor in the same capacity to keep the case, the volume is getting smaller and smaller, and in the pressure and temperature even better, but the pressure is not enough breakdown capacitor, temperature is not enough burst Open capacitance.
Come again with the popularity of smart phones, USB charger is now demanding, the function of the era of 500ma USB charger has been unable to meet the needs of the user for the charging speed, and we said in front of the fast charge, in fact, The history of the inevitable, so we see the current common USB charger current is more than 2A. This USB charger is also very empty when charging.
USB charger temperature is high with the USB charger switch tube also has a great relationship, switch tube specifications if not high, then the current through, the heat will be more.
With the development of intelligent machines, mobile phone power consumption is growing, which also led to the current intelligent machine is almost a day charge, or even a few days a few charge. So, in order to use convenience, many people will always stay in the USB charger on the socket, not knowing that the power consumption is very scary.
If one billion of the country's 1 billion mobile users usually leave the USB charger on the socket, it consumes enough power to run six thousand home air conditioners at the same time. This time we can not help but wonder, why the USB charger power consumption, how much power consumption,
Most mobile phone USB charger is a switching power supply, the first 220V rectifier into DC, and then through the high-frequency conversion, after the pulse transformer coupling, one-way rectifier output low voltage DC. Even if there is no output current, the high-frequency transform part is still in operation, need to consume part of the power.
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