SHENZHEN ZHONGTIAN DOOR CO., LTD
The principle of automatic door
Time：
2025/02/17
source:
1. Working principle of automatic door sensor:
When the automatic door sensor detects someone entering, it transmits a pulse signal to the main controller. After the main controller makes a judgment, it notifies the motor to run and monitors the motor speed at the same time, so as to notify the motor to add force and enter slow running at a certain time. After the motor gets a certain running current, it runs forward and transmits power to the synchronous belt, and then the synchronous belt transmits power to the hoisting system to open the door leaf; after the door leaf is opened, the controller makes a judgment. If the door needs to be closed, it notifies the motor to move in the reverse direction and close the door leaf.
2. Principle of automatic sliding door:
When the induction detector detects someone entering, it transmits a pulse signal to the main controller. After the main controller makes a judgment, it notifies the motor to run and monitors the motor speed at the same time, so as to notify the motor to add force and enter slow running at a certain time. After the motor gets a certain running current, it runs forward and transmits power to the synchronous belt, and then the synchronous belt transmits power to the hoisting system to open the door leaf; after the door leaf is opened, the controller makes a judgment. If the door needs to be closed, it notifies the motor to move in the reverse direction and close the door leaf.
3. Principle of infrared automatic door:
The human body generally has a constant body temperature, usually at 37 degrees, so it will emit infrared rays with a specific wavelength of about 10UM. The infrared automatic door uses the principle of infrared reflection. There is a transmitting module and a receiving module in the circuit. The transmitting module can emit infrared light of a certain frequency and power. When encountering an obstacle, it is reflected back and received by the receiving module. After being processed by the circuit or single-chip microcomputer, the corresponding function is executed.
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