Non-thermal plasma-based exhaust gas particulate matter reduction apparatus for preventing arcing phenomenon

A nonthermal plasma-based exhaust gas particulate matter reduction apparatus for preventing an arcing phenomenon, the apparatus comprising:

• a chamber which is a tubular body having exhaust gas flowing therein and is connected to a ground power supply;
• a power supply device which is disposed outside the chamber and includes a voltage generator configured to generate a steady-state voltage at which maximum efficiency of a nonthermal plasma phenomenon is generated;
• an emitter disposed inside the chamber and configured to generate nonthermal plasma between the chamber by having the steady-state voltage applied thereto;
• a rod disposed inside the chamber and configured to apply the steady-state voltage to the emitter by electrically connecting the voltage generator and the emitter;
• and
• an arcing prevention unit configured to prevent an arcing phenomenon from occurring between the rod and the chamber by providing insulation between the rod and the chamber,
• wherein the arcing prevention unit comprises a rod isolation means made of an insulation material,
• wherein the arcing prevention unit includes the insulation material as an insulation film coated on an inner surface of the chamber, including an orthogonal projection of the rod on the inner surface of the chamber, and
• wherein the entire outer surface of the rod disposed inside the chamber is coated by the insulation material.