CPC C02F 1/325 (2013.01) [C02F 2201/322 (2013.01); C02F 2303/04 (2013.01)] | 30 Claims |
1. A sterilization module comprising:
a light source configured to irradiate ultraviolet light;
a board on which the light source is mounted;
a protective tube accommodating the board therein and configured to transmit the ultraviolet light irradiated from the light source;
a first base coupled to one side of the protective tube; and
a second base coupled to the other side of the protective tube,
wherein each of the first base and the second base includes:
an insertion part to be inserted inside the protective tube, the insertion part having a first diameter when viewed in a first cross-section perpendicular to a length direction of the protective tube; and
a cover part integrally formed with the insertion part as a single piece and having a second diameter greater than the first diameter in the first cross-section,
wherein the insertion part includes a protrusion that protrudes from an outer peripheral surface of the insertion part to have an O-ring shape, and
wherein at least a portion of the cover part directly contacts the protective tube.
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