Traditional 220V Cooling Fan shortcomings

Traditional "220V Cooling Fan" has the following disadvantages: Fans will not change as the ambient temperature automatically adjust the wind speed, which is the temperature difference between day and night for those areas are fatally flawed, especially when people are sleeping, not only a waste of resources, very easy to make cold sick person; the timing of the traditional way "220V Cooling Fan" machinery is often accompanied by the sound of mechanical movement, especially at night affect people's sleep, and limited time range, can not meet people's needs. Given these drawbacks, we need to design an intelligent "220V Cooling Fan" temperature control system to solve.