Atomizer circuit

Published:2011/5/3 3:38:00 Author:May | Keyword: Atomizer | From:SeekIC

This article describes a device which can generate mirage around miniascape's rockwork and trees, like white clouds folating in the mountains, greatly improve the ornamental value. 一、 working principle The circuit is show in the diagram. This article describes a device which can generate mirage around miniascape's rockwork and trees which is seemingly as if white clouds floated in the mountains, and it greatly improves the ornamental value. 一、 working principle The circuit is shown in the diagram. It mainly consists of ultrasonic generator, the water level controller, power supply circuit etc. Ultrasonic generator mainly consists of triode VT1, VT1 and capacitor three-point LC oscillator composed of its outside component; B is ultrasonic transducer, its natural frequency fc=1.65MHz; capacitor C1, C2 can decide oscillation amplitude, its natural frequency is a little less than fc. L1 and C2 are positive feedback elements, and their natural is a little higher than fc; VD5 is protecting diode of VT1. B is under water when pulverization. Water level controller consists of VT2, VT3, the effect is: (1) Offer base bias current for oscillation circuit; (2)When the water level in the miniascape is lower than set value, it can make oscillator failure of oscillation and act the function of protection.



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