Heat dissipation knowledge| 2022-10-28|毅荣川电子
Since the 19th century, China's industry has developed by leaps and bounds, because the development of industry has driven all walks of life, and society has almost entered the era of intelligence. In the cooling fan industry, due to the increasingly diversified demand of various devices for cooling fans, the various parameters of cooling fans required by each device are different. What are the factors that can change the fan speed?
1、Cooling fanThe number of coils is different from the resistance of the thickness of the coil wire diameter, which affects the magnetic flux of the motor. If the number of coils is changed, its speed will change.
2. The shape and number of the fan blades of the cooling fan can change the speed of the fan.
3. If the direction of air flow at the inlet or outlet of the cooling fan is changed, the speed of the fan should also be changed.
4. Magnet magnetization.
5. The number and thickness of silicon steel sheets. (magnetic conductivity capacity of edge modification)
6. Change the sensing position of the Hall IC.
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