Odor detection and fire early warning device for distribution room

The utility model relates to a smell detection and fire early warning device for a distribution room. According to the technical scheme, a plurality of groups of distribution boxes are arranged in a distribution room, more than one group of cameras and audible and visual alarms are installed on the upper side of the inner wall of the distribution room, a monitoring terminal is installed in a monitoring room at the far end, and the cameras are connected with the monitoring terminal through wires or a wireless network; a smell sensor matrix block is installed on the inner wall of the distribution room, a hydrogen sulfide sensor, an ammonia gas sensor and a benzene sensor are installed on the smell sensor matrix block, and temperature sensors are installed on the upper portion of the distribution box. The beneficial effects are that the hydrogen sulfide concentration in the power distribution room is monitored through the hydrogen sulfide sensor, the ammonia gas concentration in the power distribution room is mo