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Why is it difficult for manufacturers of small fans to design temperature control and speed regulation?

by:TOCH     2021-03-26
Some customers, when choosing a cooling fan, hope to add an intelligent temperature control and speed regulation function, so that the cooling fan can automatically adjust its own speed value with the temperature. But why the small fan manufacturer does not have the temperature control and speed regulation function 1. Small size The air volume of the fan itself is small. If you design a low temperature and low speed, the heat dissipation effect is probably not achieved. 2. The PCB of the small cooling fan is also very small, and the motor is small. If you need to add a temperature control resistor to the board signal, it is due to space The problem is that it is not convenient to add to customers who want the speed control function. The cooling fan manufacturers generally recommend that customers use the three-wire PWM speed control function. The cooling fan will have a clean appearance and stable rotation speed. It can be designed according to different requirements of customers. Welcome to the heat dissipation classroom and news center of the cooling fan manufacturer again. The copyright belongs to the cooling fan manufacturer and represents only personal opinions. Please do not reprint the whole article. Any violation will be held for legal responsibility. If you need to know more about the cooling fan manufacturer's product introduction, please Click on the product center
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