The temperature is very high, very hot, hot feeling
It is recommended that you put the adapter in a well ventilated, fast heat on the media, no matter what brand of adapter will be hot. Part of the energy converted to heat, resulting in loss. And the adapter does not have a heat sink.
Hello, thank you for choosing HP products.
1, the power adapter for the host power supply and battery charging, 220V AC voltage can be reduced to the voltage used for notebook computers, in the process of converting the current will send a certain amount of heat.
No matter what brand of adapter will be hot.
As the notebook power adapter inside the high voltage, high current state of work, the workload is relatively heavy, and is fully enclosed structure, there is no cooling holes on the shell, the internal fanless to help heat, so the laptop power adapter in the work of the internal The temperature is very high.
1, the power adapter should be placed in a place not exposed to direct sunlight and ventilation; do not put the power adapter on the laptop near the cooling outlet, you can put the adapter side, between the adapter and the desktop pad into the narrow plastic block Or metal blocks, can speed up the distribution of heat from the adapter.
2, the occurrence of abnormalities should be stopped in time to use, such as the power adapter to send a large work noise or even smoke, often damaged or have a failure, should immediately stop using, the professionals can be re-put into use after maintenance.
3, a reasonable charge When the laptop battery is in the state of charge, it is best not to run large 3d games and other machines to make the heavy workload of the program, so that the power adapter output power is not enough to cause the battery charge speed slow Or full of dissatisfaction, power adapter overload and so on.
4, different models of notebook power adapter can not be mixed, different computer power adapter in the output interface, voltage and current values ??and so there are some differences, and therefore can not be mixed. Otherwise, the light will cause the battery charge is not full, the screen flashes and other phenomena, while the brand will burn the motherboard or other hardware. The same brand of different models of notebook power adapter in the switch should also be careful, it is recommended to consult the professional engineers before the operation.
Normal, do not worry. No Hu Jiao taste can be.
Place the power in a ventilated place.
With the ever-changing laptops, LCD screen inch footage, notebook power adapter power is also sesame flowering high, even to 100W or so, almost a small desktop power supply.
What kind of temperature range is the normal range? Switching power supply conversion efficiency can only reach 75% -85% or so. The answer is here. Switching power supply conversion efficiency is high enough, it is still difficult to find a better way to convert. Switching power supply in the voltage conversion, a part of the energy loss, in addition to a small part of the loss in the form of waves, the majority of the way out of the heat. The greater the power of the switching power supply, the more energy loss, the greater the heat of the power supply. This is why the desktop power supply to add a fan for cooling reasons. We may wish to count, a 100W switching power supply, in the use of how much energy loss in the above! Therefore, in the design and production of switching power supply, we must choose high temperature components. Of course, be sure to control the temperature of the power supply within the allowable range of the application environment. First, the conversion efficiency should be designed as high as possible, and secondly, to use the pressure drop is small, low loss of switching components, the third is to be thermal design, cooling area to be as large as possible, more than 100W switching power supply Should have a metal perforated shell, or add a cooling fan. The current notebook power adapter power is generally around sixty or seventy W, the use of high temperature plastic fire sealed package, the internal heat generated by the plastic shell mainly distributed out. Therefore, the power adapter surface temperature is still quite high, the maximum temperature and even up to about 70 degrees ...
