Constant-temperature test box convenient for temperature regulation

The utility model relates to the technical field of constant-temperature test boxes, in particular to a constant-temperature test box convenient for temperature regulation, which is convenient for regulating the temperature balance of air blown into the constant-temperature box and improving the stability of the constant-temperature test box. Comprising a volute, an equipment box and an electric control adjusting device, turbine fan blades are arranged in the volute, the equipment box is fixedly installed at the input end of the volute, air inlets are formed in the bottom end and the top end of the equipment box, a communicating opening is formed in the equipment box, and the communicating opening communicates with the input end of the volute; two groups of homogenizing devices are symmetrically arranged in the equipment box and are used for uniformly heating air entering the volute, the electric control adjusting device is fixedly mounted on the equipment box and is used for adjusting the heating temperature