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【 High temperature resistant ac fan 】 Speed control is the key

by:TOCH     2021-01-27
【 High temperature resistant ac fan 】 Speed control is the key
the traditional temperature control fan is the use of fan bearing temperature measuring probe detects the fan air inlet temperature near, thus to adjust the speed of the fan. Although the temperature control to solve the certain problem, but there is a rough precision, and the temperature control of variable speed can only do the low-speed poles. PWM is short for pulse width modulation circuit, in industrial control, have already widely used on the microcontroller. While Intel will he and combining the motherboard CPU temperature detection, apply it to the radiator fan speed control accurately, achieved good effect.

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