The project is titled design and construction of a sensor operated automatic door system. Opening and closing of doors is always a tedious job, especially in places like shopping malls, hotels and theatres where a person is always required to open the door for visitors.
This project proposes a system of automatic opening and closing of door by using sensors. The PIR sensor transmitter emit infrared radiation from a considerable distance and sends it to the receiver, commanding the receiver to either open the gate or to close it. This sensing signal is fed to a controller to operate a door motor through motor driver IC. The sensor sends a logical command to open the door. The door automatically closes with a fixed time delay.
CHAPTER ONE
1.1 INTRODUCTION
An automatic opening and closing of door sensor involves open and closing a door using sensor: The most common single-technology sensor operated door uses passive infrared (PIR) energy to recognize the movement of heat in a protected space, and the sensor compose of the transmitter and the receiver.
This project proposes a system of automatic opening and closing of door by pressing a remote when we want the door to be close and vice-versa. This is achieved with help of a PIR (Passive Infrared) sensor. When the remote is pressed the sensor emits infrared energy which is been received by the receiver from a considerable distance. This sensing signal is fed to a controller to operate a door motor through motor driver IC.
When the remote is pressed, it sends a logical command to open or close the door. The door automatically closes with a fixed time delay. If there is no further movement within the PIR operating range. Interrupt signals are used through limit switches to avoid locked rotor condition of the motor.
1.2 OBJECTIVE OF THE STUDY
The main objective of a design and construction of a sensor operated automatic door system, that is, to open and closing a door using sensor.
1.3 SIGNIFICANCE OF THE PROJECT
This door operate with the help of sensors. Sensors do exactly what they sound like they’d do: they sense things. There are many different types of sensors that can sense different types of things, such as sound, light, weight, and motion.
For example, some automatic doors operate when they’re triggered by sensors that sense weight. These weight sensors might be disguised in a rubber mat in front of the door. When you step on the mat, the sensors send a signal to the automatic doors that tells them to open.
Other automatic doors operate on optic or motion sensors. These sensors might be mounted above a set of automatic doors or built on the top or the sides of the frame of the automatic doors.
When these optic or motion sensors sense motion nearby, they trigger the automatic doors to open and then close. This is why, when you approach a set of automatic doors, they will open as soon as you get close enough to activate the sensors.
Automatic doors have many useful purposes, which is why you can find them in many different types of locations. From supermarkets to airports and many types of large buildings, automatic doors make it easier for people to get into and out of buildings. They are especially helpful for people who are handicapped.
Similar to revolving doors, automatic doors also help to save energy, since they limit the amount of time that doors are open to only those times people are entering or exiting a building.
1.4 APPLICATION OF THE PROJECT
Sensor control door is widely used in public places such as grocery stores, Residential house, Church, Company, Car garage businesses, transportation stations, airports, and wholesale department stores to eliminate the need of manually opening and closing actions.
1.5 LIMITATION OF THE PROJECT
- The problem of this device is notice when there is power failure in the system or when battery gets low thee system stops working.
- Another problem of this device is the difficulty people face while entering your house. The people who frequently visit your place are often irritated when they have to call you every time to enter the control the system and let them in.
1.6 PROJECT WORK ORGANISATION
The various stages involved in the development of this project have been properly put into five chapters to enhance comprehensive and concise reading. In this project thesis, the project is organized sequentially as follows:
Chapter one of this work is on the introduction to sensor operated door. In this chapter, the background, significance, objective limitation and problem of sensor operated door were discussed.
Chapter two is on literature review of sensor operated door. In this chapter, all the literature pertaining to this work was reviewed.
Chapter three is on design methodology. In this chapter all the method involved during the design and construction were discussed.
Chapter four is on testing analysis. All testing that result accurate functionality was analyzed.
Chapter five is on conclusion, recommendation and references.
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