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● 24*7 online service support ● Articles in the hair dryer industry ● Sometimes maybe Discount
● 24*7 online service support ● Articles in the hair dryer industry ● Sometimes maybe Discount
Time：2024-01-13 Views：1
1. Mechanical switch
Mechanical switch is the simplest start stop control method. Users can close or disconnect the switch by rotating, pressing, or pulling to achieve the start stop control of the air duct. This method has a simple structure and low cost, but it may have disadvantages such as inconvenient use and easy damage.
2. Electronic switch
Electronic switches can reduce the defects of mechanical switches, and their hardware principles can be roughly divided into the following two types:
(1) Touch switch
Touch switches are usually implemented using sensors and microelectronics technology. Users can use touch devices to sense changes in finger capacitance by pressing the surface of the switch, and then convert it into switch signals through specific signal processing circuits to control motors, heating, negative ion devices, etc.
(2) Automatic induction switch
The automatic induction switch utilizes magnetic, electromagnetic and other characteristics to achieve switch control without the need for contact or touch. Usually, metal or other special materials that match the induction are used to manufacture components such as the body, rotor, or transformer. By moving or approaching the sensing device, switch control can be achieved. This method has a delicate structure and is not easily damaged, but it has a higher cost.
3. Microcontroller control
Microcontroller control is a more advanced method for starting and stopping high-speed hair dryers. By cooperating with peripheral circuits, a microcontroller can achieve multiple functions, such as heating control, temperature monitoring, power stability, etc. Microcontrollers have advantages such as high precision, high efficiency, and programmable control, and have higher advantages compared to electronic switches in terms of heating, power management, and operational stability. Its disadvantage is that it has certain development costs and maintenance difficulties, but it is increasingly widely used in high-precision and high-quality high-speed hair dryers.
Discussion on the Application of Controllable Silicon Optoelectronic Coupler in High Speed Hair Dryer Scheme
A thyristor type optocoupler is a special optoelectronic device that converts optical signals into electrical signals and controls triggers. It mainly consists of light-emitting diodes (LEDs), photodiodes, thyristor triggers, and other parts.
When the LED is illuminated on the photodiode, it can generate current, which in turn controls the conduction and turn off of the thyristor trigger. The application of controllable silicon optocouplers in circuits is very extensive, which can control AC power sources, such as speed regulation, dimming, electromagnetic interference isolation, etc.
The main characteristics of controllable silicon optocouplers include high reliability, high voltage resistance, long service life, and fast response speed. It has important application value in circuit isolation, PWM dimming, frequency converter control, and has been widely used.
In high-speed hair dryer (hair dryer) circuits, thyristor type optocouplers are usually used in the control circuit of the heating wire as temperature control.
It should be noted that as optocouplers are usually used in high-voltage circuits, it is necessary to choose products from reputable brands that have passed safety certification (usually UL, VDE, CQC).
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