They are the doors that can be opened automatically when someone approaches him / her. Automatic door opening and closing is a structural element that allows entry and exit. Some door models can also be opened at the push of a button, which are most useful in commercial enterprises.

Automatic door opening and closing is provided by springs or electric power. Automatic Door Working Principle There are various methods of opening the door. The first detects a sensor approach and opens the door. These automatic door sensors are available in different versions. The first is the pressure sensor. When someone steps on it or stops it reacts and the door is opened. A curtain is created from another invisible red light and when one passes through the sensor, the sensor is interrupted and the door opens. Another motion sensor is detected by a radar which emits low microwaves. Another use is the sensors that are operated by remote control in the manner used in garage doors or mounted in a vehicle. Another method of opening the door is to read a button or magnetic card.

Power-assisted models, like conventional doors, work on the principle of pushing and pulling a machine instead of people. There are several variations of automatic doors. These are models like the entrance to the left and right of the wall, and the model which opens to the inside and outside of the sweat, like the classic doors, and the models that can be opened and closed up and down in the same position. Automatic doors are equipped with a sensor that can detect you when you approach, and the sensitivity of this sensor can be adjusted. Electrical energy is required for automatic doors to operate. Many automatic doors have a system that allows manual operation in the event of a power failure or a malfunction.

The automatic doors are also equipped with safety sensors to prevent someone from smoke or something in the door. The purpose of this safety sensor is to help reduce the severity of the collision by slowing the opening or closing of the door by detecting an obstacle in the way the door is opened and closed.