Automatic detection of hair clippers for trimming gray hair

Abstract

The invention relates to hair scissors capable of automatically detecting and cutting white hairs. A cutting mechanism comprises a motor, a connecting rod mechanism, upper teeth and lower teeth, the upper teeth and the lower teeth are installed between an upper cover and a lower cover, and the rear ends of the upper teeth are connected with the motor through the connecting rod mechanism. A lower tooth control mechanism comprises spring pressing plates and electromagnets, the lower faces of the lower teeth are connected with the lower cover through the spring pressing plates and springs, the electromagnets for driving the lower teeth to move up and down are installed on the lower cover and connected with a controller, photodiodes and laser diodes are contained in grooves of the lower teeth adjacently, a touch switch is arranged on the upper teeth and connected with the controller, and the controller is connected with the photodiodes, the laser diodes and the motor through a control circuit. According to the hair scissors, the white hairs can be conveniently and effectively cut off without damage to the hairs and the scalp, side effects are avoided, and operation is easy to achieve. The hair scissors are particularly suitable for middle-aged persons with part of white hairs, the white hairs can be effectively cut off, the attractiveness of the hairs is guaranteed, and harms of hair dyeing to the hairs are avoided.

Description

technical field [0001] The invention relates to a hair clipper, in particular to a hair clipper which can automatically detect and trim white hair. Background technique [0002] People's hair gradually turns gray in middle age. At present, in order to remove unsightly gray hair, there are generally recognized methods: A. This method of hair dyeing not only causes damage to the hair and scalp, but also must be re-dyed when the gray hair grows out, which repeatedly damages the scalp. B. Some people directly pull out the white hairs. When there are many white hairs, this will cause a lot of pain, damage the scalp, and be prone to infection. C. Some people do not cut their hair, which is very unsightly. [0003] The hair clippers that exist on the market are mainly designed and transformed for the efficiency of haircut, but there is no hair clipper specially designed for cutting gray hair. [0004] The currently published patents mainly include: [0005] (1) Fan Xiaohong; Wan...

AI Technical Summary

Problems solved by technology

[0002] People's hair gradually turns gray in middle age. At present, in order to remove unsightly gray hair, there are generally recognized methods: A. This method of hair dyeing not only damages the hair and scalp, but also must be re-dyed when the gray hair grows out, which repeatedly damages the scalp.

B. Some people pull out the white hair directly. When there are more white hairs, it will cause a lot of pain, damage the scalp, and be prone to infection

C. Some people do not cut their hair, which is very unsightly

[0003] The hair clippers currently on the market are mainly designed and modified for the efficiency of haircuts, but there is no hair clippers specially designed for cutting gray hair.

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