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Does the power adapter need to be unplugged from the outlet when not in use?

Source :网络 Time :2023-08-17

  What's the real point of plugging in a power adapter?

  The power adapter is one of the necessary accessories for most electronic devices.It converts the alternating current into the direct current required by the equipment,and provides stable voltage and current for the equipment.The function of the power adapter is to ensure the normal operation of the device and to charge the device at the same time.But do we need to unplug the power adapter from the outlet when we are not using the device?This is a question that many people care about.

  Power consumption when the power adapter is in standby

  Power adapters typically go into standby mode when the device is not in use.In standby mode,the power adapter will operate with low power consumption,and only maintain the basic power supply function and monitor the status of the device.Therefore,even when the device is not in use,the power adapter consumes a tiny amount of power.This is mainly because the electronic components inside the adapter need to maintain a certain working condition.

Does the power adapter need to be unplugged from the outlet when not in use?(图1)

  Generally speaking,the standby power consumption of the power adapter is between several hundred milliwatts and several watts,which is related to the power and brand of the device.Power adapters with high consumption will lead to unnecessary waste of electricity bills.Therefore,from the perspective of energy saving,it is a wise choice to unplug the power adapter from the socket when the electronic device is not used for a long time.

  Adverse effects of power adapter connected for a long time

  In addition to the problem of standby power consumption,a more important factor is that connecting the power adapter for a long time will have a certain impact on equipment and human body.

  First of all,connecting the power adapter for a long time will accelerate the aging of its internal components and reduce its life.The internal circuit of the adapter under normal working conditions will generate a certain amount of heat,and continuous power supply will cause the temperature of the components to rise,thus affecting the stability and life of the adapter.

  Secondly,connecting the power adapter for a long time may have potential safety hazards.If there is a problem with the circuit and control chip inside the adapter,it may cause failure of electronic equipment,short circuit or even fire.While this happens relatively rarely,it's still a wise idea to disconnect power adapters you're not using just to be on the safe side.

  Whether the power adapter needs to be removed from the socket when it is not in use,there is actually no specific standard answer.From the perspective of energy saving and safety,unplugging the power adapter can reduce standby power consumption,prolong the life of the adapter,and avoid potential safety risks.However,for some devices that need to be used at all times,such as routers,surveillance cameras,etc.,it is necessary to keep the adapter powered on.

  Therefore,we need to decide whether to unplug the power adapter according to the actual situation.When the device is not used for a long time,unplug the adapter as much as possible to save electricity and prolong the life of the adapter.On frequently used devices,leaving the power adapter plugged in can ensure stable operation of the device.