How automatic sensor door work

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Sure, here's a more detailed explanation of how automatic sensor doors work:

Automatic sensor door are designed to open and close automatically when a person approaches them. They are commonly used in commercial buildings, hospitals, and other public places where ease of access and convenience are important. Here are the main components of an automatic sensor door and how they work together:

Sensors: The first component of an automatic sensor door is the sensor. The sensor is responsible for detecting when a person is approaching the door. There are various types of sensors used in Automatic Sliding Gate  including microwave sensors, infrared sensors, and ultrasonic sensors.

Controller: The sensor is connected to a controller, which is responsible for processing the signal from the sensor and sending a signal to the door motor to activate the opening mechanism. The controller can be programmed to adjust the sensitivity of the sensor, the speed of the door, and the delay before the door closes.

Motor:  Sliding Gate Motor is the mechanism responsible for opening and closing the door. When the controller sends a signal to the motor, the motor activates the opening mechanism of the door, allowing it to open automatically. Depending on the type of door, the motor may use a belt or a chain to move the door.

Power Supply: Automatic sensor doors require a power supply to operate. This can be in the form of an electrical outlet or a battery backup system. In the event of a power outage, the battery backup system can keep the door operating for a limited time.

Safety Features: Auto Sliding Door are designed with safety features to prevent accidents. These features may include sensors that detect obstacles in the path of the door, or an emergency release mechanism that allows the door to be opened manually in case of an emergency.

In summary, an automatic sensor door uses sensors to detect the presence of a person, a controller to process the signal from the sensor, and a motor to activate the opening and closing mechanisms of the door. The system can be adjusted to meet the specific needs of the building and its occupants, and is designed with safety features to prevent accidents.


Automatic sensor doors typically work using a combination of sensors, motors, and controls. Here are the general steps involved in the operation of an automatic sensor door:

Detection: When a person approaches an automatic sensor door, sensors located near the door detect their presence. The most common types of sensors used are motion sensors or infrared sensors.

Signal Transmission: Once the sensors detect the presence of a person, they send a signal to the control unit, which processes the signal and determines whether to open the door.

Door Activation: If the control unit determines that the door should be opened, it sends a signal to the motor, which activates the opening mechanism of the door. Depending on the type of door, the motor may use a belt or a chain to move the door.

Delay: To prevent the door from closing too quickly and potentially injuring someone, the control unit may introduce a delay between the detection of a person and the opening of the door. This delay can be adjusted to meet the needs of the specific environment.

Closing: Once the person has passed through the doorway, sensors detect that they have cleared the area and send a signal to the control unit to close the door. The motor then activates the closing mechanism, and the door returns to its closed position.

Overall, an automatic sensor door uses sensors to detect the presence of a person, a control unit to process the signal, and a motor to activate the opening and closing mechanisms of the door. The system can be adjusted to meet the specific needs of the building and its occupants.

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