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A discharge device includes a dielectric, a first electrode and a second electrode arranged with the dielectric interposed therebetween, and a circuit unit to which the first electrode and the second electrode are electrically connected for generating a high voltage to be applied to the first electr

A discharge device includes a dielectric, a first electrode and a second electrode arranged with the dielectric interposed therebetween, and a circuit unit to which the first electrode and the second electrode are electrically connected for generating a high voltage to be applied to the first electrode and to the second electrode. The dielectric is formed in a tube shape or a pipe shape having therein the circuit unit.

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1. A discharge device comprising: a dielectric;a first electrode and a second electrode arranged with the dielectric interposed therebetween; anda circuit unit to which the first electrode and the second electrode are electrically connected, for generating a high voltage to be applied to the first e

1. A discharge device comprising: a dielectric;a first electrode and a second electrode arranged with the dielectric interposed therebetween; anda circuit unit to which the first electrode and the second electrode are electrically connected, for generating a high voltage to be applied to the first electrode and the second electrode,wherein the dielectric is formed in a tube shape or a pipe shape having the circuit unit installed therein. 2. The discharge device of claim 1, wherein the first electrode includes a conductive coating layer formed on an inner surface of the dielectric. 3. The discharge device of claim 1, wherein the second electrode includes a conductive mesh formed on an outer surface of the dielectric. 4. The discharge device of claim 1, wherein the circuit unit includes: high-voltage output terminals and a ground terminal which contact the first electrode and the second electrode, respectively;a PCB to which the high-voltage output terminals and the ground terminal are fixed for electrical connection; anda transformer installed on the PCB. 5. The discharge device of claim 4, wherein the circuit unit is enveloped in an insulating material. 6. The discharge device of claim 4, wherein the high-voltage output terminals and the ground terminal are installed to be fixed to both ends of the PCB and contact the first electrode disposed on an inner surface of the dielectric and the second electrode disposed on an outer surface of the dielectric respectively. 7. The discharge device of claim 4, wherein the high-voltage output terminals and the ground terminal are fixedly installed to the PCB using fastening members. 8. The discharge device of claim 7, wherein the high- voltage output terminals are formed as a pair, and the pair of the high-voltage output terminals are fixed to respective sides of the PCB interposed therebetween using the fastening member. 9. The discharge device of claim 4, wherein the high-voltage output terminals contact the first electrode with elasticity. 10. The discharge device of claim 4, wherein the ground terminal contacts the second electrode with elasticity. 11. The discharge device of claim 4, further comprising a power adaptor, installed at an open side of the dielectric, for supplying an external AC power to the circuit unit. 12. The discharge device of claim 11, wherein the power adaptor has an accommodating recess for accommodating the ground terminal at the outside of the dielectric. 13. A discharge device comprising: a dielectric;a first electrode and a second electrode arranged with the dielectric interposed therebetween, the first electrode being disposed on an inner surface of the dielectric and the second electrode being disposed on an outer surface of the dielectric; anda circuit unit to which the first electrode and the second electrode are electrically connected, for generating a high voltage to be applied to the first electrode and the second electrode,wherein the dielectric is formed in a tube shape or a pipe shape having the circuit unit installed therein,wherein the circuit unit includes:high-voltage output terminals and a ground terminal which contact the first electrode and the second electrode, respectively; anda PCB to which the high-voltage output terminals and the ground terminal are fixed for electrical connection.