| 摘要 |
The circuit for protecting the overload of the vacuum cleaner by controlling the speed of the motor using a microprocessor consists of the key input siection (1) for selecting the temperature, the pressure and the speed of the motor, the microprocessor (2) for controlling the system according to the output of the key input section (1), the power supply (3) for supplying constant current, the motor driver (4), the pressure controller (5) for detecting and amplifying the pressure of the motor, the displayer (6) for displaying the temperature, the pressure and the speed of motor according to the control signal of the microporcessor (2), and the temperature detector (7) for detecting the temperature of the motor.
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