Ultraviolet tube explosiveproof probe

The utility model relates to a protective device of an electric contact, particularly an ultraviolet tube explosiveproof probe, which is composed of an ultraviolet ray pipe (1) and guide wires (3). The utility model is characterized in that both ends of the guide wire are connected with two poles of the ultraviolet ray pipe (1); a joint is coated via resin glue (6), and the periphery of the guide wire is provided with shield wires (12). The outer side of the shield line (12) is coated to form an applying layer (11) via fireproof paints. The utility model has the advantages of small size, lightness, simple structure, high safety, and strong anti-interference ability and can be used for the smoke and fire warning devices of oil depots, filling stations, warehouses, etc.