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Time：2021-09-26Views：0
Some products have high requirements for the consistency of the speed of the cooling fan, especially for some instruments and equipment, different speed outputs may allow the instrument to obtain different data, so the speed of the cooling fan is required to be stable and consistent.
The speed tolerance of the small-sized cooling fan is 20%-30%, and the speed tolerance of the large-sized cooling fan is about 10%. The micro-small fan often requires extremely high speed tolerance, but due to the extremely small motor, the copper wire is also Very thin, very thin copper wire wound motor resistance tolerance is also larger, and after being energized, it is also more sensitive to high temperature, and the resistance tolerance is large, which causes the tolerance of the miniature cooling fan to be larger. .
Jingyangda Technology adopts the method of circuit control, so that the rotating speed tolerance of the operating micro-fans is always within the range of 2%-5%, and the air volume is balanced. Not only the single wind speed is the same, but the speed of the whole batch is almost the same.
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2021-09-23
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