Working Mechanism Of An Automatic Door Opener
Shopping malls, hospitals, commercial buildings have
automatic doors. Have you ever thought about their work? An Automatic Door Opener opens when you
stand in front of it and closes automatically. This technology has made the
entrance of many buildings easy.
What Kinds Of Technologies Are Used In Making Them?
There are many technologies used to make automatic doors.
Radar sensors, Arduino bases, PIR sensors, and infrared sensors are most
readily system in such doors.
Working
In the Arduino automatic
door openers, motion-detecting sensors are used to open and close the door.
The infrared energy released by the human body is detected by the PIR sensor
and so the door function when someone approaches the door. The sensor changes
when someone approaches the door and the Arduino UNO receives the signal
accordingly.
PIR Sensor- A Brief Description
Pyroelectric or IR motion sensors notice the change in heat
and the output pin changes accordingly. Everything when heated emits some
infrared rays. The PIR sensor's specialty is that they can detect even small
variations. So, when any human or object passes through the sensor range, some
friction is produced between air and object which is detected by the PIR.
There are some capacitors, resistors, and other components
that complete the PIR circuit. The pyroelectric sensor is divided into two
parts and both halves remain in the same state when there is no motion. Both
the parts can detect the level of infrared and when someone enters the
automatic door, the infrared level of the first half becomes higher than the
other, and the output pin changes to high. The pyroelectric sensor has a Fresnel
lens inside the array which is covered with a plastic cap. These lenses cover
many ranges of infrared rays.
Get An Automatic Doors
The PIR sensor senses human motion and is specially
designed to help the handicapped through the door. Kensington automatic door openers are very beneficial in case of an emergency and work as a
second manual door in such cases. Wheelchair and scooter users can now install
such doors at home due to their economic nature. Moreover, the installation
procedure is easy, and each proper unit can be installed in some time and you
can enjoy this service for a lifetime. The automatic door opener providers have
a big network and periodically come to check the operation of the system, and
try to incorporate the latest technologies in the door.
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