This reference design is a simple ultrasonic atomizer that helps fight against respiratory diseases. Atomizer is like nebulizer, it is just that nebulizer takes time to deliver liquid to mist. However, both undergo almost the same process. This medical ultrasonic atomizer circuit is composed of power supply circuit, ultrasonic oscillator and atomizer circuit. It specifically uses the TE connectivity’s fuse for overcurrent protection.
The device works when electrical energy is transmitted to piezoelectric transducer within the converter, where it is changed to mechanical vibrations. This ultrasonic vibrations are intensified and focused at the tip where the atomization takes place. The liquid travels through the probe and spreads out and the oscillating tip disintegrates the liquid into micro droplets that forms a low velocity spray.
For More Details: Ultrasonic Atomizer