DESIGN AND CONSTRUCTION OF PASSIVE INFRARED (PIR) BASED AUTOMATIC DOOR ALARM SYSTEM
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TITLE PAGE
DESIGN AND CONSTRUCTION OF PASSIVE INFRARED (PIR) BASED AUTOMATIC DOOR ALARM SYSTEM
BY
---
EE/H2013/01430
DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING
SCHOOL OF ENGINEERING
INSTITUTE OF ---
DECEMBER,2018
APPROVAL PAGE
This is to certify that the research work, "design and construction of passive infrared (pir) based automatic door alarm system" by ---, Reg. No. EE/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on Electrical and Electronics Engineering has been approved.
By
Engr. --- Engr. ---
Supervisor Head of Department.
Signature………………. Signature……………….
……………………………….
Engr. ---
External Invigilator
DEDICATION
This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.
ACKNOWLEDGEMENT
The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
My warmest gratitude goes to my parents for their moral, spiritual and financial support throughout my study in this institution.
My appreciation goes to some of my lecturers among whom are Mr. ---, and Dr. ---. I also recognize the support of some of the staff of --- among whom are: The General Manager, Deputy General manager, the internal Auditor Mr. --- and the ---. Finally, my appreciation goes to my elder sister ---, my lovely friends mercy ---, ---, --- and many others who were quite helpful.
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The project is on a passive infrared (PIR) based automatic door alarm system used in places like shopping malls, hotels and theatres.
This project proposes a system of automatic sensing any body movement object near the door. This is achieved with help of a PIR (Passive Infrared) sensor. A live body generally emits infrared energy which is sensed by the PIR sensor from a considerable distance. This sensing signal is fed to an integrated circuit to trigger a buzzer.
When a body approaches within the operating range of the sensor, it sends a logical command through an alarm indicating that someone is approaching the door. If there is no further movement within the PIR operating range.
TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
- OBJECTIVE OF THE PROJECT
- PURPOSE OF THE PROJECT
- SIGNIFICANCE OF THE PROJECT
- SCOPE OF THE PROJECT
- PROBLEM OF THE PROJECT
CHAPTER TWO
LITERATURE REVIEW
- REVIEW OF PIR SENSORS AND ITS APPLICATION
- THE ROLE OF SENSORS IN YOUR HOME SECURITY
- TYPES OF MOTION SENSORS
- OTHER MOTION SENSOR FEATURES
- REVIEW OF THE RELATED STUDY
CHAPTER THREE
3.0 CONSTRUCTION METHODOLOGY
3.3 SYSTEM OPERATION
3.4 CIRCUIT DIAGRAM
3.5 CIRCUIT DESCRIPTION
3.6 DESCRIPTION OF COMPONENTS USED
3.7 POWER SUPPLY UNIT
CHAPTER FOUR
4.0 TESTING AND RESULTS
- CONSTRUCTION PROCEDURE AND TESTING
- INSTALLATION OF THE COMPLET DESIGN
- ASSEMBLING OF SECTIONS
- TESTING OF SYSTEM OPERATION
- COST ANALYSIS
CHAPTER FIVE
- CONCLUSION
- RECOMMENDATION
- REFERENCES
CHAPTER ONE
1.1 INTRODUCTION
The need for having home protection has always been there. But in the recent times, considering a dramatic rise in petty crimes like robbery and theft, the need has been more strongly felt to have a fool proof protection of the belongings and the family members. Home security has come a long way in the last few decades. It was in the hands of a guard who manually provided surveillance during nights in the earlier days, but it was not fool proof as it was only normal for him to have momentary lapse of concentration.
The guard was also susceptible to sleep at times. It was then that home alarm system based upon electronic circuits were developed which proved to be highly reliable and were appreciated by the people as they were relieved from constant monitoring of their homes.
An automatic door alarm system is one of the home door alarm which is also called motion detector: The most common single-technology motion detecting sensor uses passive infrared (PIR) energy to recognize the movement of object, such as a person walking near the door. It is most effective in detecting when the heat mass moves across its field of vision.
This project proposes a system of automatic door alarm system by sensing any body movement near the door. This is achieved with help of a PIR (Passive Infrared) sensor. A live body generally emits infrared energy which is sensed by the PIR sensor from a considerable distance. This sensing signal is fed to an integrated circuit to operate an alarm.
1.2 AIM OF THE STUDY
The main objective of this work is to design a device that will trigger an alarm when sensing any body movement near the door.
1.3 SIGNIFICANCE OF THE PROJECT
Automatic doors alarm operates with the help of passive infrared sensor which is also called 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 alarm. Automatic door alarm has 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.
This device not just used for home security. In industrial fields, they are used on assembly lines to keep track of the number of products and to shut down dangerous equipment if a person gets too close. Here are a few other ways this device is used:
- To open and close automatic Doors
- To turn on and off automatic water faucets and toilets
- To turn on lights when a person enters a room
- To control ATM displays
- At automatic ticket gates
- For some parking meters
1.5 SCOPE OF THE PROJECT
Generally, in security systems, infrared or laser transmitters and receivers are used. But these methods are cost effective. This work explains about PIR based security system in which PIR sensor is used instead of transmitter or receiver. This saves the power consumption and is low cost. PIR sensor is the short form of Passive Infrared Sensor.
The PIR sensors are more complicated than the other sensors as they consist of two slots. These slots are made of a special material which is sensitive to IR. The Fresnel lens is used to see that the two slots of the PIR can see out past some distance. When the sensor is inactive, then the two slots sense the same amount of IR. The ambient amount radiates from the outdoors, walls or room, etc.
When a human body or any animal passes by, then it intercepts the first slot of the PIR sensor. This causes a positive differential change between the two bisects. When a human body leaves the sensing area, the sensor generates a negative differential change between the two bisects. The infrared sensor itself is housed in a hermetically sealed metal to improve humidity/temperature/noise/immunity. There is a window which is made of typically coated silicon material to protect the sensing element.
This work is based on PIR sensor with an IC that produces alarm. The PIR sensor detects the IR radiations emitted from the humans and it produces a digital output.
1.6 PROBLEM/LIMITATION OF THE PROJECT
This device sensor has some problem:
- It has a limited distance to detect the human/object
- If the sensor is not mounted securely, normal vibration, sign, plants and neon light can trigger the alarm.
- It cannot detect the small objects such as insects or raindrop.
- The reliability of a PIR sensor may also be affected by rapid environmental changes and direct sunlight. Also, things like a fireplace, and direct wind from an air conditioner or heater. This is because a PIR sensor actually detects changes in infrared energy - specifically, the "heat energy" emitted by normal human skin temperature.
1.7 PURPOSE OF THE PROJECT
This device creates safe homes and offices by warning against intrusion at access points that get opened often. They can work equally well with doors, windows and cabinets. The purpose of this work is to project accurate security against intruder anytime and any day.
1.8 USES OF THE PROJECT
A security alarm is a system designed to detect intrusion – unauthorized entry – into a building or other area. Security alarms are used in residential, commercial, industrial, and military properties for protection against burglary (theft) or property damage, as well as personal protection against intruders.
1.9 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 this study. In this chapter, the background, significance, scope, objective, limitation and problem, advantages of this work was discussed.
Chapter two is on literature review of the study. 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.
CHAPTER TWO: The complete chapter two of “design and construction of passive infrared (pir) based automatic door alarm system” is available. Order full work to download. Chapter two of “design and construction of passive infrared (pir) based automatic door alarm system” consists of the literature review. In this chapter all the related work on “design and construction of passive infrared (pir) based automatic door alarm system” was reviewed.
CHAPTER THREE: The complete chapter three of “design and construction of passive infrared (pir) based automatic door alarm system” is available. Order full work to download. Chapter three of “design and construction of passive infrared (pir) based automatic door alarm system” consists of the methodology. In this chapter all the method used in carrying out this work was discussed.
CHAPTER FOUR: The complete chapter four of “design and construction of passive infrared (pir) based automatic door alarm system” is available. Order full work to download. Chapter four of “design and construction of passive infrared (pir) based automatic door alarm system” consists of all the test conducted during the work and the result gotten after the whole work
CHAPTER FIVE: The complete chapter five of design and construction of a “design and construction of passive infrared (pir) based automatic door alarm system” is available. Order full work to download. Chapter five of “design and construction of passive infrared (pir) based automatic door alarm system” consist of conclusion, recommendation and references.
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