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Time：2022-03-03Views：0
After some understanding, the editor knows that some customers often worry about the high speed and low speed of the DC fan. The theme shared by Chengda Xiaobian today is: "The speed of the DC fan can be controlled with temperature control". The details are as follows...
The DC fan speed refers to the number of times the fan blades rotate per minute, and the unit is rpm. The fan speed is determined by the number of turns of the coil in the motor, the working voltage, the number of fan blades, the inclination angle, the height, the diameter and the bearing system. There is no necessary connection between speed and fan quality. The rotational speed of the fan can be measured by the internal rotational speed signal, or it can be measured externally.
As the application and ambient temperature change, fans with different speeds are sometimes required to meet the needs. Some manufacturers specially design DC fans with adjustable fan speed, which are divided into manual and automatic. The main purpose of manual is to allow users to use low speed in winter to obtain low noise, and use high speed in summer to obtain good cooling effect.
The automatic thermostat radiator generally has a temperature control sensor, which can automatically control the speed of the fan according to the current working temperature. If the temperature is high, the speed will be increased, and if the temperature is low, the speed will be reduced to achieve a dynamic balance and reduce wind noise. Maintain a better combination with the heat dissipation effect.
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