Hair dye device

Abstract

A hair dye device includes a case having an air inlet and an air outlet connected to form an air duct. The case includes a negative pressure exhaust vent between the air inlet and the air outlet, and the negative pressure exhaust vent connect to the air duct and forms a negative pressure channel; a turbine is installed at the air inlet; a dye component includes a dye container, and a dye nozzle connected to dye container, the dye nozzle is set at the negative pressure exhaust vent of the case; light sensors are installed at the negative pressure exhaust vent of the case. The hair is sucked in and straightened through the negative pressure exhaust vent, and then the hair is detected from the root through the light sensors. When gray hair is detected, the dye nozzle is triggered to spray the hair dye to dye the gray hair.

Dependencies are inferred from the claim text.