| 摘要 |
PURPOSE: An open top ultrasonic humidifier is provided to facilitate washing a water tub by easily supplying water to the water tub. CONSTITUTION: An open top ultrasonic humidifier comprises a water tub(10), a supporting board(20), and a controller. An ultrasonic oscillator(11) is installed on the lower part of the water tub. The water tub has bowl shape. The water tub is settled on the upper side of the supporting board. A contact terminal contacting with an ultrasonic oscillator is formed on the upper side of the supporting board. The controller is connected to the contact terminal and operates the ultrasonic oscillator in order to change the water of the water tub to mist particles. The controller is installed inside the supporting board.
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