Smoke collecting device and range hood

The utility model provides a smoke collecting device and a range hood, and relates to the technical field of purification equipment. The smoke collecting device comprises a smoke collecting hood and smoke gathering components, at least two sets of air inlets and air outlets which are communicated with each other are formed in the smoke collecting hood, the air inlets are distributed in the lengthdirection of a smoke collecting panel of the smoke collecting hood, each smoke gathering component comprises at least two sets of smoke gathering plates, and the smoke gathering plates and the air inlets are arranged in a one-to-one correspondence mode. A driving device is mounted on the exhaust fume collecting hood, the driving end of the driving device is connected with the exhaust fume gathering plate and used for driving the exhaust fume gathering plate to move relative to the exhaust fume collecting panel, and an exhaust fume gathering cavity is formed between the exhaust fume gathering plate and the correspondin