Foldable hair dryer equipment.AC/DC in high-speed blower circuit

　　In the high-speed blower circuit, it is necessary to convert AC to DC power supply in order to provide normal working power for the motor, control circuit, etc. Therefore, in the design process of high-speed blower, it is necessary to consider how to design an AC/DC conversion circuit.

　　The common AC/DC conversion circuit designs are as follows:

　　1. Rectifier

　　Using a rectifier bridge circuit to convert alternating current into direct current. The rectifier can be designed with single-phase and three-phase power sources.

　　2. Filter

　　Using filtering capacitors and inductors to smooth the rectified output DC and eliminate other high-frequency noise interference.

　　3. Voltage regulator

　　To ensure the stability and accuracy of the output voltage, it is necessary to add a voltage regulator circuit in the circuit to suppress voltage changes. Commonly used regulators include linear regulators and switch regulators, among which switch regulators have higher efficiency and reliability.

　　4. Noise reduction filtering and protection

　　Due to the high speed and power of high-speed hair dryers, electromagnetic interference and surge currents are easily generated in the power circuit, which can affect the service life and performance stability of the equipment. Therefore, noise reduction filtering circuits and reliable protection circuits such as overvoltage protection and overcurrent protection can be added to prevent power interference and damage.

　　In summary, the AC/DC conversion circuit in high-speed hair dryers is crucial for implementation, and designing the circuit reasonably can improve the service life, efficiency, and safety of the equipment. Considering different product forms and applicable scenarios, the high-speed hair dryer AC/DC conversion circuit can be designed and adjusted according to product performance, applicable conditions, etc.

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