What is the working principle of humidifier?

　　Humidifier is a kind of household appliance that can increase the humidity of a room. The humidifier can humidify the designated room, or it can be connected to the boiler or central air-conditioning system to humidify the whole building. Generally, humidifiers are divided into ultrasonic humidifiers, pure humidifiers and electric humidifiers. What is the working principle of those humidifiers?

　　Operating principle of humidifier

　　1. Ultrasonic humidifier

　　At present, the household humidifiers on the market generally use ultrasonic to atomize water, and the atomized water vapor is blown out of the shell by the fan, so as to achieve the effect of humidification of air. After switching power supply, output two circuits of voltage 36V and 12V.

　　The ultrasonic humidifier uses the frequency of ultrasonic high frequency vibration of 1.7MHZ to atomize the water into 1 to 5 μ m ultra-fine particles, and then diffuses the water mist into the air through the pneumatic device, making the air moist and accompanied by rich negative oxygen ions, which can clean the air, promote health, and create a comfortable environment.

　　2. Pure humidifier

　　Direct evaporative humidifier is also commonly referred to as pure humidifier. Pure humidification technology is a new technology just adopted in the field of humidification. The pure humidifier removes calcium and magnesium ions in water through molecular sieve evaporation technology, and completely solves the problem of "white powder".

　　3. Thermal humidifier

　　Thermal humidifier is also called electric heating humidifier. Its working principle is to heat the water in the heating body to 100 degrees, generate steam, and send the steam out with a fan. Therefore, the electric heating humidifier is the simplest humidification method in technology. Its disadvantages are high energy consumption, no dry burning, low safety factor and easy scaling on the heater. Electric humidifiers are generally used together with central air conditioners.

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