DESIGN AND CONSTRUCTIONS OF PORTABLE RECHARGEABLE BACK UP POWER SUPPLY SYSTEM
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TITLE PAGE
DESIGN AND CONSTRUCTIONS OF PORTABLE RECHARGEABLE BACK UP POWER SUPPLY SYSTEM
BY
---
EE/H2013/01430
DEPARTMENT OF ---
SCHOOL OF --
INSTITUTE OF ---
DECEMBER,2018
APPROVAL PAGE
This is to certify that the research work, "design and constructions of portable rechargeable back up power supply system" by ---, Reg. No. EE/H2007/01430 submitted in partial fulfillment of the requirement award of a B.Sc on --- has been approved.
By
Dr. --- Dr. ---
Supervisor Head of Department.
Signature………………. Signature……………….
……………………………….
Dr. ---
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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Portable rechargeable back up power supply system comprises of a special battery in a special case with a special circuit to control power flow. They allow you to store electrical energy (deposit it in the bank) and then later use it to charge portable and mobile devices such as laptop via the laptop charger. This device composed of four-cell 12,000 mAh lithium-ion battery, a DC-to-AC inverter, and a and standard 220-volt Nigeria wall plug on the front.
TABLE OF CONTENTS
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
TABLE OF CONTENT
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
1.2 PROBLEM STATEMENT
1.3 OBJECTIVE OF THE PROJECT
1.4 SIGNIFICANCE OF THE PROJECT
1.5 SCOPE OF THE PROJECT
1.6 LIMITATION OF THE PROJECT
1.7 APPLICATION OF THE PROJECT
1.8 METHODOLOGY
1.9 PROJECT ORGANISATION
CHAPTER TWO
2.0 LITERATURE REVIEW
2.1 OVERVIEW OF THE STUDY
2.2 REVIEW OF THE RELATED STUDY
2.3 REVIEW OF BATTERY CHARGER
2.4 HISTORICAL BACKGROUND OF THE STUDY
2.5 REVIEW OF DIFFERENT TYPES OF RECHARGEABLE BATTERY
CHAPTER THREE
3.0 CONSTRUCTION
3.1 BASIC DESIGNS OF THE SYSTEM
3.2 BLOCK DIAGRAM OF THE SYSTEM
3.3 CIRCUIT DIAGRAM OF THE SYSTEM
3.4 DESCRIPTION OF COMPONENTS USED
3.5 PARTS LIST
3.6 CIRCUIT DESCRIPTION
3.7 SYSTEM OPERATION
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
4.5 ECONOMIC OF THE PROJECT
4.6 PROJECT VIABILITY
4.7 PROJECT RELIABILITY
4.8 PROJECT MAINTAINABILITY
CHAPTER FIVE
5.0 CONCLUSION, RECOMMENDATION, REFERENCES
5.1 CONCLUSION
5.2 RECOMMENDATION
5.3 REFERENCES
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
Sometimes there is nothing worse than losing all the charges on your laptop computer especially when you are in the middle of something very important. Usually this happens at the most inconvenient time probably when you are using your laptop computer to surf the web, in the middle of a browsing or when you are desperate to send an important email or text message [9]. Nonetheless, in this dispensation of global village, there is never a good time! If you are always on the move and you never know whether there is power supply in the place you are moving to, the very last thing you would imagine is to have your laptop computer low or even empty on battery. For those who depend largely on their mobile devices, not having enough power for the battery can be a major catastrophe. How else will people reach you or how will you email people for business or personal reasons when your laptop computer is basically useless as it has gone off on you? All these are problem to our present time, to bring this problem to an end, power pack was introduced which is a portable device that can supply USB power using stored energy in its built-in batteries [8] [9].
1.2 PROBLEM STATEMENT
Sometimes there is nothing worse than losing all the charges on your laptop computer or any other mobile devices especially when you are in the middle of something very important. Usually this happens at the most inconvenient time probably when you are using your laptop computer to surf the web, in the middle of a browsing or when you are desperate to send an important email or text message. Nonetheless, in this dispensation of global village, there is never a good time! If you are always on the move and you never know whether there is power supply in the place you are moving to, the very last thing you would imagine is to have your laptop computer low or even empty on battery. For those who depend largely on their mobile devices, not having enough power for the battery can be a major catastrophe. How else will people reach you or how will you email people for business or personal reasons when your laptop computer is basically useless as it has gone off on you? All these are problem to our present time, to bring this problem to an end, power bank was introduced which is a portable device that can supply power using stored energy in its built-in batteries [1,2].
1.3 OBJECTIVE OF THE PROJECT
The objective of the project is to design a device that is used to recharge mobile devices such as laptop computer when and where there is no power supply to charge the device from mains supply. This work composed of four-cell 12,000 mAh lithium-ion battery, a DC-to-AC inverter, and a and standard 220-volt Nigeria wall plug on the front[7].
1.4 SIGNIFICANCE OF THE PROJECT
Power bank serve as an ‘extra battery’ or external charger for your laptop computer or other electronic devices. Power bank helps to ensure longer hours of typing, phone calls, or web browsing using your laptop computer.
1.5 SCOPE OF THE PROJECT
Laptop computer batteries often die at very inconvenient times, with no ac power outlet nearby. This device uses standard li-on batteries, which can be bought almost anywhere, to recharge laptop computer.
The circuit chargers that typically come with laptop computer charge the battery for a brief period of time. Then, they stop, check the voltage, and verify the temperature against an internal table before deciding to stop or continue the charging process. The charging regulation required by the battery is performed within the device getting charged, and this design takes advantage of that circuit.
1.6 LIMITATION OF THE PROJECT
This device can only be recharged with mains supply, that is 220vac the duration of the charged when in used depend on the number of cell used, that is the current of the charger.
1.7 PROBLEM OF THE PROJECT
The only issue I can really see is that the laptop power bank Charger is pretty heavy; if you already have a heavy shoulder bag, you probably won’t cherish the thought of adding it.
1.8 METHODOLOGY
To achieve the aim and objectives of this work, the following are the steps involved:
- Study of the previous work on the project so as to improve it efficiency.
- Draw a block diagram.
- Test for continuity of components and devices,
- Design was carried out.
- Studying of various component used in circuit.
- Construct the circuit.
- Finally, the whole device was cased and final test was carried out.
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 the study. In this chapter, the background, significance, objective limitation and problem of the study were discussed.
Chapter two is on literature review of this 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 constructions of portable rechargeable back up power supply system” is available. Order full work to download. Chapter two of “design and constructions of portable rechargeable back up power supply system” consists of the literature review. In this chapter all the related work on “design and constructions of portable rechargeable back up power supply system"
CHAPTER THREE: The complete chapter three of “design and constructions of portable rechargeable back up power supply system” is available. Order full work to download. Chapter three of “design and constructions of portable rechargeable back up power supply 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 constructions of portable rechargeable back up power supply system” is available. Order full work to download. Chapter four of “design and constructions of portable rechargeable back up power supply 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 constructions of portable rechargeable back up power supply system” is available. Order full work to download. Chapter five of “design and constructions of portable rechargeable back up power supply system” consist of conclusion, recommendation and references.
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