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1. We will reply you in detail within 24 hours

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Q: What is the difference between the natural wind and the sleeping wind?: As the time and depth of fall asleep increases, the intensity of the wind needed by the person decreases. The natural wind is random switching at each stall, without regularity.

Q: Which items should we pay attention to selecting electric fans?: Choose the electric fan to check out of the box product must be accompanied by certificate, instructions, proper manufacturer name, product specifications, rated power, rated voltage, power supply type and frequency and other indicators of the electric fan on the nameplate

Q: What are your misunderstanding blowing ？: Many people like to blow fans for a long time. They feel like they've just cooled off, and they're going to feel like they're still hot. It's not as good as blowing comfortably for a long time. However, a long time to the fan blowing, the body temperature will decrease with the evaporation of large amounts of sweat, easily lead to colds, colds, abdominal pain, diarrhea and other diseases. Generally, it takes half an hour to 1 hours for a hair dryer.

Q: What's the difference between a cool fan and an electric fan?: Cold fan, commonly known as air conditioning fan, and it is different from the ordinary fan: the cold fan to add water, blowing the wind is cold air, containing water, it is equivalent to a small power water air-conditioning. In addition, the application of cold fans and ordinary fans is also quite different.

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?: The maximum design speed is used as the design value, and the minimum speed deviates from the design value.Fan blade is also a sensitive load, the power of shaft and speed are three times, and the higher the speed, the greater the energy consumption

Q: What is an electric fan?: A common household fan essentially belongs to an axial fan, i.e., the direction of the wind is parallel to the rotating axis of the fan blade

Q: How do you use an electric fan to set up an air distribution system in an air tight room?: In the absence of outdoor airflow, the warm air is lighter than the cold air. From a hydrostatic point of view, the temperature difference brings air stratification in the vertical direction