Working principle of automatic sliding doors: How do electric induction sliding doors work?

Mar 13, 2026 PipesB2B Marketplace
One. The working principle of automatic sliding doorsThe automatic sliding door is pre-configured with sensors that emit infrared or microwave signals. When these signals are reflected by nearby objects, the door automatically opens or closes.Two. How do

One. The working principle of automatic sliding doors

The automatic sliding door is pre-configured with sensors that emit infrared or microwave signals. When these signals are reflected by nearby objects, the door automatically opens or closes.

Two. How do electric induction sliding doors work?

The electric induction sliding door's sensor detects human presence, collecting signals and generating pulse signals. These signals are then transmitted to the main controller, which analyzes the signals and instructs the motor to run. The controller also monitors the motor's speed to ensure it operates at a specific speed. once the motor reaches the desired running current, it initiates forward movement, transferring power to the synchronous belt, which in turn transmits power to the hoisting system, opening the door. After the door is opened, the controller analyzes the situation and, if necessary, instructs the motor to reverse, closing the door.

III. Structure of Electric Sliding Doors

1、Main Controller: It is the control center for automatic sliding doors, issuing corresponding commands to motor or electric lock systems through a large-scale integrated module with programmed instructions. Users can also adjust parameters such as door leaf opening speed and opening range through the main controller.

2、Inductive Sensors: Inductive sensors for automatic sliding doors are primarily of two types: microwave sensors and infrared sensors. These sensors are responsible for collecting external signals, similar to the human eye. When a moving object enters their operating range, they send a pulse signal to the main controller.

3、Motor: Provides the primary power for opening and closing the door, and controls the acceleration and deceleration of the door.

4、Door Leaf Traveling Track: Similar to railway tracks, the traveling track system for the door leaf's suspension running mechanism ensures that the door leaf moves in a specific direction.

5、Door leaf suspension system for sliding doors: Used for suspending and moving sliding doors, while also driving the door leaf's movement under power traction.

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