The main points of the process of Shandong mesh belt conveyor

The system detects the deviation, tension, temperature, smoke, tear and speed of the conveyor mesh belt through different sensors. When a fault occurs, it judges and analyzes the single-chip microcomputer according to the collected information, and issues instructions to monitor the conveyor operating status. Carry out control and correction, and carry out alarm and display.

The keyboard is used to input setting parameters, display and display measurement parameters, and display fault alarm types.

Speed ​​detection and control: Zhejiang mesh belt conveyor motor speed is converted into a rectangular pulse signal by the speed sensor. After photoelectric isolation, it enters the single-chip counter, and the actual speed of the motor is obtained through the value of the counter. Compared with the set speed, the PID controller The PWM wave is generated to realize the closed-loop frequency conversion speed regulation of the motor.

Correction detection and control: When the loading conveyor belt is running, the detection device sends a signal to the control system, and the control system starts the rectifier motor in time to drive the rectification movement to achieve the purpose of deviation correction.

Tension detection and control: When the tension sensor detects the tension failure of the conveyor belt, the detection signal is transmitted to the single-chip microcomputer. The single-chip microcomputer analyzes the tension or tightness of the chain conveyor, and controls the position of the roller conveyor . Adjust the tightness of the conveyor belt.

Temperature, smoke detection and control: When the temperature sensor and smoke sensor detect a fault, the single-chip microcomputer controls the precipitation by controlling the solenoid valve to reduce the temperature and smoke concentration. When the sensor detects a fault in the mesh belt conveyor, the protection device first Analyze and adjust, and use corresponding warning lights.

After a period of time, it is detected that the initial setting value is still exceeded, the speed of the protection device is protected, the loading conveyor belt is controlled, and the soft start of the conveyor belt is stopped. When the start or emergency stop button is pressed, the speed protection of the protection device controls the Zhejiang mesh belt conveyor The soft start or soft stop of the machine. The technology of the conveyor belt is sorted out and published.

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