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TITLE PAGE
DESIGN AND CONSTRUCTION OF A PERIODICALLY ON-OFF MOSQUITO REPELLENT
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 a periodically on-off mosquito repellent" 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.
PROJECT DESCRIPTION: This work design and construction of a periodically on-off mosquito repellent research material is a complete and well researched project material strictly for academic purposes, which has been approved by different Lecturers from different higher institutions. We made Preliminary pages, Abstract and Table of content of "design and construction of a periodically on-off mosquito repellent" visible for everyone, then the complete material on design and construction of a periodically on-off mosquito repellent is to be ordered for. Happy viewing!!!
Some of the mosquito repellents available in the market use a toxic liquid to generate poisonousvapours in order to repel mosquit-oes out of the room.Due to the continuous release of poisons vapours into the room, after midnight the natural balance of the air composition for good health
reaches or exceeds the critical level. Mostly, these vapours attack the brain through lungs and exertan anesthetic effect on mosquitoes as well as other living beings by small or greater percentage.Long exposure to these toxic vapours may cause neurological or related problems.
Here is a circuit that automatically switches on and off the mosquito repellent after preset time Interval,thus controlling the release
of toxic vapours into the room. The circuit turns the mosquito repellent ‘on’for approximately 20 minutes then process of 'on' and
'off' occurs repeatedly.
So if you leave themosquito repellent switched on from 10 pm to 6 am (eight hours), it will be ‘on’ for four hours and ‘off’for four
hours of the total duration. During ‘off’ time, the room air tries to balance its natural composition. Another important feature is that the circuit switches to ‘on’/‘off’ operation withoutproducing any noise or a sound
click as in a relay and hence doesn’t disturb your sleep. The circuitconsists of a timer section built around IC 555 (IC1),Power
supply to the circuit is derived from the AC mains by stepping it down to a required level and rectifying it.
When the timer output goes high, it triggersThe circuit is very compact and can be assembled ona generalpurpose PCB.. After
assembly, fit the unit insidethe housing electric board where you plug in the mosquito repellent.
TABLE OF CONTENTS
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
TABLE OF CONTENT
CHAPTER ONE
1.0 INTRODUCTION
1.1 OBJECTIVE OF THE PROJECT
1.2 SIGNIFICANCE OF THE PROJECT
1.3 APPLICATION OF THE PROJECT
1.4 LIMITATION OF THE PROJECT
1.5 ADVANTAGES OF THE PROJECT
1.6 SCOPE OF THE PROJECT
1.7 SYSTEM BLOCK DIAGRAM
1.8 POWER SUPPLY UNIT
1.9 PROJECT ORGANIZATION
CHAPTER TWO
2.0 LITERATURE REVIEW
2.1 REVIEW OF HISTORY OF THE PROJECT
2.2 DESCRIPTION OF THE AN ELECTRONIC MOSQUITO REPELLENT
2.3 TYPES OF ELECTRONIC MOSQUITO REPELLENT
CHAPTER THREE
3.0 CONSTRUCTION
3.1 BASIC DESIGNS OF ELECTRONIC MOSQUITO REPELLENT
3.2 BLOCK DIAGRAM OF THE SYSTEM
3.3 SYSTEM OPERATION
3.4 CIRCUIT DIAGRAM
3.5 CIRCUIT DESCRIPTION
3.6 DESCRIPTION OF COMPONENTS USED
CHAPTER FOUR
RESULT ANALYSIS
4.0 CONSTRUCTION PROCEDURE AND TESTING
4.1 CASING AND PACKAGING
4.2 ASSEMBLING OF SECTIONS
4.3 TESTING OF SYSTEM OPERATION
4.4 COST ANALYSIS
CHAPTER FIVE
5.0 CONCLUSION
5.1 RECOMMENDATION
5.2 REFERENCES
CHAPTER ONE
1.0 INTRODUCTION
Electronic mosquito repellent is an alternative to other forms of mosquito repellent. The available of a different type of mosquito-fighting product on the market gives consumers the flexibility of choosing the repellent product that is right for them. With a variety of selections to choose from, it is important to know the benefits of each type of repellent from which you are choosing. Electronic mosquito repellent is an important part of the repellent market.
Mosquitoes are a pest to humans in multiple ways. Of course, the most immediate negative side to mosquitoes is the irritation associated with being bitten by them. Mosquitoes are irritating at first when they are biting. Being bitten by mosquitoes while outside is distracting and irritating. This situation can take all the fun out of an outdoor activity as you worry more about the insects than you do about the activities you are there to do and the people whose company you are there to enjoy.
However, beyond the itching that is associated with mosquito bites, mosquitoes are also often carriers of the dangerous West Nile virus. This makes mosquito repellent more necessary than ever because it is so important to protect family and friends from this illness. Electronic mosquito repellent can help protect against West Nile without loading your family up with toxic chemicals in other forms of mosquito repellent.
1.2 OBJECTIVE OF THE PROJECT
Female mosquitoes require blood to develop and produce their eggs. They use their mouth parts or proboscis to suck blood. After a meal, they release saliva into the body of the host. People use mosquito repellents in the form of topical creams, aerosol sprays, electronic devices that release high-pitched sounds.
The objective of this work is to construct electronic devices that release high-pitched sounds which scare away mosquitoes.
1.3 SIGNIFICANCE OF THE PROJECT
An electronic repellent emits a safe solution into the air, causing protection within a radial distance. This allows protection from perturbing insects, without forcing you and your children to cover you skin in strong chemicals with harsh ingredients and strong odors. This electronic product will last a long time, and is a successful mosquito repellent alternative compared to conventional spray-on repellents.
This type of mosquito repellent is highly valuable because it makes spending time out of doors increasingly safe as well as increasingly comfortable. When you pursue outdoor activities with your family and friends, you do so because you want to spend time enjoying their company and your activities. Stinging mosquitoes can detract from this experience, leaving itching bites that scratch for days on end.
Electronic mosquito repellent offers a safe and spray-free alternative to traditional repellents. It can alleviate the annoyance of being stung and the discomfort of waiting for the stings to heal. It also helps keep your family safe from West Nile virus and other communicable diseases. With your mind off the bugs and their bites, you can better enjoy your time in the great outdoors.
1.4 LIMITATION OF THE PROJECT
- This device requires constant power supply in use
- It requires mentainance.
- Some humans with good high-frequency hearing “hear” the emissions as an annoying high-pitched or clicking constant “background” sound. Generally the emissions are silent to most humans.
1.5 SCOPE OF THE PROJECT
This is a simple circuit of ultrasonic mosquito (insect) repeller for insect control based on the theory that insects like mosquito can be repelled by using sound frequencies in the ultrasonic (above 20 KHz) range. This insect repellent frequency is farther than the hearing range of humans, but can cause a lot of nervousness to the insects and also to animals like dogs and cats.
1.6 ADVANTAGES OF PROJECT
- simple circuit
- save power and health
1.7 APPLICATIONS OF THE PROJECT
- Homes,
- industries,
- hotels,
- theatres,
- shopping malls
1.9 SYSTEM BLOCK DIAGRAM
Before carrying out any project, the block diagram must be drawn and fully understood. Block diagram gives a pictorial understanding of any work. The block diagram of the system is as below:
1.11 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 a rechargeable mosquito repellant. In this chapter, the background of a periodically on-off mosquito repellent, significance of a periodically on-off mosquito repellent, aim of a periodically on-off mosquito repellent, advantages of a periodically on-off mosquito repellent, objective of a periodically on-off mosquito repellent, scope of a periodically on-off mosquito repellent, application of a periodically on-off mosquito repellent, limitation and problem of a rechargeable mosquito repellant were discussed.
Chapter two is on literature review of a rechargeable mosquito repellant. 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 a periodically on-off mosquito repellent" is available. Order full work to download. Chapter two of "design and construction of a periodically on-off mosquito repellent" consists of the literature review. In this chapter all the related work on "design and construction of a periodically on-off mosquito repellent" was reviewed.
CHAPTER THREE: The complete chapter three of "design and construction of a periodically on-off mosquito repellent" is available. Order full work to download. Chapter three of "design and construction of a periodically on-off mosquito repellent" 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 a periodically on-off mosquito repellent" is available. Order full work to download. Chapter four of "design and construction of a periodically on-off mosquito repellent" 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 a periodically on-off mosquito repellent" is available. Order full work to download. Chapter five of "design and construction of a periodically on-off mosquito repellent" consist of conclusion, recommendation and references.
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