Cooling Fan Manufacturer to change the fan speed

"Cooling Fan Manufacturer" intelligent shift automatic nature of wind energy-saving electric fan, can effectively solve the long time fan motor is easy to heat and wind dizziness caused by too much problem, its technical scheme, including the fan cover, cage, chassis, motor and fan support frame mounted on the base, the upper part of the base by the cover head cover fitted with fan motor mounted within the housing first, there is mounted on the rotating shaft of the motor fan, "Cooling Fan Manufacturer" inner fan fan cover head cover On equipped with telescopic guide rod, telescopic guide rod end portions containing 3 pyroelectric infrared sensor, cage top with side by side natural wind indicator, high-grade lights, mid-range and low-end indicator lights, lower loading carriage There are side by side, the upper limit temperature sensor, the lower limit temperature sensor and photosensitive resistance, in turn mounted on "Cooling Fan Manufacturer" The fan base of the power switch, forced natural air switch and reset button, the circuit board mounted within the base by a control circuit of the present invention It can automatically detect staff position, change fan speed, real-time control speed, good results.