How to properly use 220 v AC cooling fan?

Summer season, the weather is getting hot, a lot of people and people in order to choose the most or summer fans, too covet cool, the fan is placed close to the location away from the body, long kept blowing, and some people due to excessive Tanliang, improper use of fans, causing a cold, fever and other symptoms, you should do the proper use of electric fans, the following describes the proper use of small series fans should pay attention to. Winds from the fans should not be too large open so that the human body has a process of adaptation. Indoor wind speed is best controlled at 0.2-0.5 m/sec, especially in better-ventilated room and have in place, "220V AC Cooling Fan" of wind speed but can not be too large. "220V AC Cooling Fan" who should not be facing the wind, blowing straight, invade the body, especially in frail or sweating, it is best to let a fan blow in one corner. Children, elderly, frail people, but should use less fan blowing, but can regulate indoor air fans, thereby indirectly cooling. When the dripping sweat but can not direct access to fan blowing, so as not to cause surface perspiration disorders, leading to destruction of the human circulation, it is easy to cause a stroke. When the wind should not open too much sleep, during sleep, the body slows down circulation of people, but this time the body is most vulnerable when facing the body of excessive wind blowing, it will cause the body extremely suited appeared human weakness symptoms appear severe stroke. "220V AC Cooling Fan" should not be long open fan, turn fan too long, the body will produce discomfort phenomenon. With the large body temperature will reduce the evaporation of sweat and the passage of time, it is easy to cause colds, abdominal pain, diarrhea and other symptoms, should be appropriate to open, it is recommended to open time is about one hour is appropriate.