Environmental harmful gas detection equipment

The utility model discloses environmental harmful gas detection equipment, which belongs to the technical field of gas detection and comprises a detector main body, a telescopic rod is fixedly mounted on the back of the detector main body, a mounting plate is fixedly mounted at the top end of the telescopic rod, and an air inlet hopper is arranged on the mounting plate. A gas detection bin is arranged at the top end of the detector main body, and a guide pipe is arranged at the top end of the gas detection bin; according to the utility model, the telescopic rod which can stretch out and draw back in multiple sections is matched with the mounting plate to be used for mounting the air inlet hopper, the air inlet hopper is communicated with the gas detection bin through the guide pipe, the position of the air inlet hopper can be extended, and the air exhaust pipe and the electric fan are matched, so that air exhaust detection can be conveniently carried out on some higher positions or some corner positions; mean