Abstract: An ozone generator has an insulating structure, a metallic tube, at least one metallic plate and a metallic rod. The metallic tube forms a passage therein. The metallic tube electrically connects to an anode of high-voltage pulse direct current. The metallic rod connects the at least one metallic plate and is disposed in the passage. The metallic rod electrically connects to a cathode of the high-voltage pulse direct current. In the preferred embodiment the at least one metallic plate has a quantity of more than two. The metallic plates are arranged along a flow direction of the passage in sequence. The high-voltage pulse direct current directly forces a circumference of the at least one metallic plate to perform point discharge, so that oxygen passing through the passage is ionized continuously to produce ozone.

Abstract: An ozone generator has an insulating structure, two metallic boards and at least one metallic wire. The two metallic boards form a passage therebetween and electrically connect to an anode of high-voltage pulse direct current. The at least one metallic wire is disposed in the passage and electrically connects to a cathode of the high-voltage pulse direct current. In the preferred embodiment the at least one metallic wire has a quantity of more than two. The metallic wires are arranged along the flow direction of the passage in sequence. The high-voltage pulse direct current directly forces the at least one metallic wire to perform point discharge, so that oxygen passing through the passage is ionized continuously to produce ozone.