The noise level of the cooling fan is in the mind of many users. No matter what kind of cooling fan is running, it will produce noise. Between 0 ~ 40 DBA, it is the noise range that people can tolerate As long as the noise increases as the cooling Fan's operating time increases, noise can be reduced by using the fan. When the cooling fan is initially selected, the fan with low rotating speed and large size should be selected as far as possible under the condition of satisfying the heat dissipation. 2. The height of the switching power supply voltage of the cooling fan is very important to the noise of the electric fan. 3. The noise produced by the airflow obstruction in the operation of the cooling fan, especially the important air inlet and outlet should avoid the obstruction and reduce the noise. 4. The amount of air needed to cool the cooling fan is inversely proportional to the amount of air allowed to rise. The amount of air required to cool the fan is substantially reduced if the temperature is allowed to rise slightly, so the amount of air required to cool the fan is reduced if the limit on the forced temperature rise is relaxed slightly Less noise. Thank you for reading. Thank you for reading, Dong Xing Yue Professional Cooling Fan for 11 years, professional R & D and Production Cooling Fan, DC Motors fans, Centrifugal fans, fans of the cooling fan manufacturers, has its own R & D team and the agent of the United States Keshuo Pelko, dong Xing Yue you cooling fan production process and cooling system solutions. Welcome to consult, thank you!

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