Driving method and driving circuit of ultrasonic atomizer
A driving method and driving circuit technology, applied in noise suppression, instruments, simulators, etc., can solve the problems of increasing the size of the humidifier, having no practical atomization effect, and dropping the water level, so as to improve the depth of the atomization water level, Reduce energy consumption and cost, reduce the effect of height
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[0026] Example 1, as figure 1 Shown is the connection diagram of the ultrasonic atomizer 4 and the two-pin inductor L of the driving circuit. The inductor L is a two-pin inductor with a set of coils inside. First, the VCC terminal is connected to the power supply, and the first pin of the inductor L , One end of the ultrasonic atomizing chip 4 is respectively connected with the VCC terminal, the second foot of the inductor L is connected with the other end of the ultrasonic atomizing chip 4 and the D pole of the MOS tube, and the control unit 5 is respectively connected with the G pole and S pole of the MOS tube. It is connected to the first end of the resistor R, and the second end of the resistor R is grounded.
Example Embodiment
[0027] Example 2, as Figure 2-5 As shown, the inductor L is a tripod inductor, and two sets of coils are set inside it;
[0028] Among them, such as figure 2 , 3 As shown, one end of the ultrasonic atomizing chip 4 and the first pin of the inductor L are respectively connected to the VCC terminal to connect to the power supply, and the second foot of the inductor L can be connected to the other end of the ultrasonic atomizing chip 4 or the D pole of the MOS tube. The third foot of L can be connected to the other end of the ultrasonic atomizing sheet 4 or the D pole of the MOS tube. Specifically, as figure 2 As shown, when the second pin of the inductor L is connected to the D pole of the MOS tube, the third pin of the inductor L is connected to the other end of the ultrasonic atomizer 4; image 3 As shown, when the third leg of the inductor L is connected to the D pole of the MOS transistor, the second leg of the inductor L is connected to the other end of the ultrasoni...
Example Embodiment
[0030] Example 3, as Image 6 As shown, the inductor L is a four-leg inductor with two sets of coils inside. First, the first leg of the inductor L is connected to the power supply from the VCC terminal, and the second leg of the inductor L is connected to the D pole of the MOS tube. The third leg is connected to one end of the ultrasonic atomizing chip 4, and the fourth leg of the inductor L is connected to the other end of the ultrasonic atomizing chip 4; the control unit 5 is connected to the G pole and the S pole of the MOS tube, and the resistance R The first end of the resistor R is connected to the S pole of the MOS tube, and the second end of the resistor R is grounded.
[0031] Working principle: The drive circuit is applied to the ultrasonic atomizer (humidifier) and is connected to the ultrasonic atomizer 4. The control unit 5 provides an oscillation signal of a certain frequency to the G pole of the MOS tube, and passes the signal of the MOS tube and the inductan...
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