Distance induction automatic temperature control electric hair dryer

Abstract

The invention relates to a distance induction automatic temperature control electric hair dryer. The distance induction automatic temperature control electric hair dryer mainly solves the problems that the outlet air temperature of an existing electric hair dryer cannot automatically control the temperature along with the distance change between an air blowing hole and hair, the hot air with higher temperature is prone to damaging the hair quality of the hair or scalding a scalp. The distance induction automatic temperature control electric hair dryer is characterized by further comprising a single chip microcomputer (3), an infrared probe (4) and a silicon controlled rectifier (5), the infrared probe (4) is connected with the two signal input ends (pin 5, pin 6) of the single chip microcomputer (3), the signal output end (pin 7) of the single chip microcomputer (3) is connected with a resistor (R3) in series and then connected with the control electrode of the silicon controlled rectifier, and a normally-closed contact (K1/2) of a function switch is connected between a heating circuit (1) and a blowing circuit (2). According to the distance induction automatic temperature control electric hair dryer, the infrared probe is utilized for detecting the distance between the air blowing hole and the hair (or the scalp), heating wires are intelligently controlled to power off, and the damage of the hot air with high temperature to the hair or the scalp can be avoided.

Description

technical field [0001] The invention relates to an electric hair dryer, in particular to an electric hair dryer with distance induction and automatic temperature regulation. Background technique [0002] A hair dryer is a commonly used hairdressing tool. It is mainly composed of a shell, a motor, fan blades and electric heating elements. The electric heating element usually uses electric heating wires. The motor is equipped with fan blades. Inhaled, heated by an electric heating element, and blown out of hot air from the air duct. Hair dryers currently on the market include a heating circuit and a blowing circuit. The temperature and wind speed of the hair dryer are adjusted through a two-speed or three-speed temperature control switch and an air volume control switch. When the hair dryer is close to the hair and scalp, if the control is improper or negligent , the hot air with a higher temperature can easily damage the hair and even burn the scalp. The temperature of the a...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiency that the air outlet temperature of the existing hair dryer cannot be automatically adjusted according to the distance between the hair dryer and the hair, and the hot air with a higher temperature is likely to cause damage to the hair quality or burn the scalp, the present invention provides a distance Induction automatic temperature adjustment hair dryer, the distance induction automatic temperature adjustment hair dryer uses an infrared probe to detect the distance between the hair dryer and the hair (or scalp), and intelligently controls the heating wire to cut off the power, which can effectively avoid high temperature hot air on the hair or scalp damage

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