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Okorder Quality Control?
We hold a very strict quality control system to check every connector of our products for your safety.
Okorder services for you
1. We will reply you in detail within 24 hours
2. We own well-trained and professional sales and after- sale services who can speak fluent English.
3. We offer OEM services and can print your own logo on products.
4. We have strong ability to do ODM projects.
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Q:How is the fan made up?
The fan is mainly composed of fan head, fan blade, net cover and control device. The fan head comprises an electric motor, a front and rear end covers and a head blowing air supply mechanism.
Q:How to measure the quality of fan motors with digital multimeter?
The digital multimeter stalls on 2K ohm ohm, single-phase AC fan motor is 220V, starting with starting capacitor, motor has two windings, a starting winding, a winding is running; the starting winding resistance, running small winding resistance.
Q:Is the power consumption the same when the fan is used in different gears?
Asynchronous motor efficiency is a very delicate thing, when the speed is similar to the design speed, the efficiency is very high, when the deviation is large, the efficiency is very low. Therefore, the speed range of the general fan is also very small
Q:The electric fan is moving all the time. Why is there a lot of ash on the leaves? Ash won't fall when you blow it?
When the fan does not rotate, it falls gray.
Q:What is the function of the fan blade?
Five can lookout "cut" more small, quiet is better. Because of the "cut" the wind is more uniform, with five fans not only brought the silencing effect from the comfort of view is also much more choice, fan blowing can achieve a wider range than block adjustment
Q:What is the difference between air conditioner speed regulation and electric fan speed regulation?
Inverter air conditioners and fans are asynchronous motors (not sure if there are any other types, but common ones). The fan is single-phase and the air conditioner is multiphase.
Q:How should an electric fan be used?
The electric fan is unfavorable to the person to blow, straight blows, the wind evil is easy to invade the body, especially when the body is weak or when sweating profusely, had better let the electric fan blow toward a corner.
Q:Can the electric fan blow to the notebook computer?
Yes, but over time, the screen will be gray and cleaned up. If you consider the heat dissipation, the fan effect is normal, and the electricity costs
Q:What are the types of electric fans?
According to the use of classification can be divided into: domestic fan and industrial exhaust fan
Q:Fans can shake their heads, but fan leaves do not turn, where is the reason?
Most of the motor burn is accompanied by lack of oil in main shaft.