Hey plz someone tell me how automatic doors work on photoelectric current

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Many people tend to believe that automatic doors are an invention of the modern world, but it may surprise you to know that automatic doors have been around for almost half a century. Over time, these doors have become more technologically sophisticated, but the idea has been around for quite a while

Pressure sensors:These mats detected changes in the weight/pressure on a specific area of the ground in front and back of the gates. If the weight that a particular area experienced was more than the set limit (the ‘trigger limit’ was set lower than the average human weight), then the doors would open.

Motion detectors or optical sensors: These sensors, as their names imply, detect or ‘look for’ motion in front of the gate. In these sensors, motion is detected by a microwave beam (10.5 GHz) produced by an antenna that is installed on the door header and generally points in the downward and outward direction.

Infrared sensors:These specialized sensors use infrared technology to trigger the opening/closing of doors. These sensors detect changes in temperature in the area surrounding the doors, so when an individual approaches the doors, their heat signature is detected by the sensors, which cause the doors to fly open.

How do the doors actually open:After the sensors detect the presence of an individual, the job of actually opening/closing the doors must be completed. Sensors are connected to an electronic drive train, which is attached to the panels of the door through an auxiliary drive or a cog wheel. The auxiliary drive is connected by rubber belts that regulate the opening and closing motions of the doors. At the bottom of these doors are rollers that allow the doors to slide so smoothly.

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Hey plz someone tell me how automatic doors work on photoelectric current for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Hey plz someone tell me how automatic doors work on photoelectric current covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Hey plz someone tell me how automatic doors work on photoelectric current.

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