In todays scientific development, there are more and more types of automatic doors, and the structure is becoming more and more simple. They feel the arrival and departure of people in different ways, and finally they open or close the door by the power of electricity.
So, do you know what are the more common automatic doors?
There are three main ways to operate modern automatic doors:
1 foot pedal type:
There is a pressure switch under the pedal.
This type of door is a carpet placed in front of the door, and a wire under the carpet is connected to the power source. When the person goes to the carpet, the weight of the carpet increases, so the power is turned on and the door is opened. After the person enters, the weight on the carpet is reduced, the power is turned off, and after a few seconds, the door is automatically closed.
2 photoelectric beam type:
Providing a beam emitting device and a photoelectric sensing device in the vicinity of the door
This kind of door has a light beam near the door. When people pass, the light beam is broken, so the power is turned on, and the door is opened. After the person enters, the light beam continues to recover, the power supply is broken, and after a few seconds, the door It will automatically close.
3 button mode:
Press the button like a switch with your hand to open the door leaf.
This kind of door has a switch beside the door. When people put their hands on the switch and press the switch, the power is turned on and the door is opened. After the person enters, after a few seconds, the power is cut off and the door is automatically closed.