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Q:How to measure the speed of an electric fan conveniently and precisely?
You open the electric fan of the skull, which has a large gear for swing, count and motor gear ratio, make a mark on the big gear, and then calculate the gear turn to how long you can reverse out a plurality of the fan motor.
Q:How long can the electric fan be timed?
One is mechanical timer, and the other one is spring. At most, it can be fixed for one hour
Q:What is the difference between air conditioner speed regulation and electric fan speed regulation?
Variable frequency air conditioning is to change the frequency of motor power supply to achieve speed regulation, in fact, the frequency adjustment will also change the voltage.
Q:What is the principle of an automatic fan head swing back and forth?
The other end of the pendulum button is a gear, and when it goes down, it coincides with the gear that rotates under the fan, so the gear below will push the fan to swing
Q:What is the problem of slow fan speed?
The inside of the shaft is stuck and needs lubrication
Q:What are the advantages and disadvantages of the vaneless fan?
Non - leaf noise makes it necessary to absorb air at the base
Q:Can the electric fan blow to the notebook computer?
The cooling base effect is similar to that of an electric fan, but if one, the air duct will be better. After all, the bottom of the notebook is the air inlet. The best way to get rid of heat is to clean the dust and change the heat transfer cream
Q:Why not head fan to blow?
The blower is suitable for choosing the head. If the fan blows directly to the head and neck, the scalp temperature drops, the reflex causes the contraction of the cerebral blood vessels, and the brain blood flow also decreases. For the elderly with cardiovascular and cerebrovascular diseases, severe stroke can be induced
Q:How to make the electric fan in the house to achieve the best results?
Put the fan in a well ventilated place to increase the speed of air convection
Q:What is the principle of a vaneless fan?
The base there is a similar air compressor device, the air is sucked in, after compressed by spraying out annular gap above the ejected air annular air flow driven device, has the wind.