Control circuit of atmospheric plasma generating device and atmospheric plasma generating system

A control circuit of an atmospheric plasma generating device, disposed on a substrate to control the atmospheric plasma generating device, comprising:

• a power supply, a switching element, a first resistor, a second resistor, a third resistor, a fourth resistor, a first Zener diode, a second Zener diode, a first transistor, a second transistor, a capacitor, a first diode, a second diode, an inductor;
• the power supply suppling power to the control circuit;
• the switching element being electrically coupled to the first transistor and the second transistor;
• the first transistor and the second transistor being respectively electrically coupled to the first Zener diode, the second Zener diode, the first resistor, the second resistor, the third resistor and the fourth resistor;
• the first diode and the second diode being respectively electrically coupled to the first resistor or the second resistor;
• the capacitor being electrically coupled to any one of the first diode and the second diode;
• the inductor being electrically coupled to the power supply;
• and the control circuit being electrically coupled to the atmospheric plasma generating device through a transformer.

An atmospheric plasma generation system, comprising:

• an atmospheric plasma generating device;
• a transformer electrically coupled to the atmospheric plasma generating device;
• and
• a control circuit, disposed on a substrate and electrically coupled to the transformer, to control the atmospheric plasma generating device, the control circuit including:
• a power supply for supplying power to the control circuit;
• an inductor electrically coupled to the power supply;
• a first switching circuit composed of a first transistor, a first Zener diode, a first resistor, a third resistor, a first diode and a capacitor that are electrically coupled to each other, wherein the first diode is connected in series with the capacitor, and the first diode is electrically coupled to the first resistor and the third resistor;
• a second switching circuit composed of a second transistor, a second Zener diode, a second resistor, a fourth resistor, and a second diode that are electrically coupled to each other, wherein the second diode is connected in parallel with the first diode, and the second diode is electrically coupled to the second resistor and the fourth resistor;
• and
• a switching element that is electrically coupled to the first transistor and the second transistor.