CONSTRUCTION OF 12 VOLT AUTOMATIC BATTERY CHARGER
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TITLE PAGE
BY
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--/H2013/01430
DEPARTMENT OF ----
SCHOOL OF ---
INSTITUTE OF ---
DECEMBER,2018
APPROVAL PAGE
This is to certify that the research work, "construction of 12 volt automatic battery charger" by ---, Reg. No. --/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.
By
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Supervisor Head of Department.
Signature………………. Signature……………….
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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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This project is on a 12volts automatic battery charger with charging progress and charging level indicator. This work is aimed at building an automatic battery charger which comprises of indicators that indicates charging process and charging level indicator.
Method: The device was first built on a breadboard which is later transfer to vero board and soldered.
Result: The device was completely build and coupled, the result during the test shows that the charger was able to respond to its operation when a 12volts battery was connected it.
Conclusion and Recommendation: At the end of this project – battery charger, this device was built and tested. This type of device is important because there are many rechargeable devices that use 12v battery. I recommend that device should not be used for any other device lower or higher than 12v rating.
Cover page
ii. Certification
iii. Dedication
iv. Acknowledgement
v. Abstract:
CHAPTER ONE
INTRODUCTION
- Background of the Study
- Problem Statement
- Hypothesis/Research Questions
- Objective of Study
- Significance of Study
- Scope of Study
- Limitations of Study
- Definitions of terms
CHAPTER TWO
LITERATURE REVIEW
2.1 Review of Related works
2.2 Contribution to Knowledge
2.3 Proposed system’s Theories
2.4 Expected Results from Hardware &Software
CHAPTER THREE
DESIGN METHODOLOGY
3.1 Material Parts List
3.2Hardware Design Methods
3.3 Software Design Methods
CHAPTER FOUR
RESULTS/ANALYSIS
4.1 Testing of Hardware and software
4.2 Hardware Result/analysis
4.3 Software result/analysis
CHAPTER FIVE
SUMMARY,CONCLUSION AND RECONMENDATIONS
5.1 Summary
5.2 Conclusion
5.3 Recommendation
References
CHAPTER ONE
1.0 INTRODUCTION
1.1 Background of the Study
A battery charger is described as is a device that provides electricity to convert into stored chemical energy for storage in an electrochemical cell by running an electric current through it. [Zhang et al, 2013].
A battery charger consists of a rectifier circuit, power circuit, ripple monitoring, control circuit, regulator circuit.
A Battery charger comes in various designs and voltage. The choice of a particular charger depends largely on the size of battery. Mini battery charger could be used to charge batteries whose voltage is 12 volts.
The battery charge is built in such a way that it delivers a constant value of d.c current into the battery it is charging in the opposite direction from which current flows on the batteries during discharge one cannot successfully design a battery charge without a fundamental understanding of the accumulator because it also makes up the operation according to [Zhang et al, 2013].
This work is aimed at building an automatic battery charger which comprises of indicators that indicates charging process and charging level indicator.
1.2 Problem Statement
There is nothing that is so frustrating and dangerous as when a battery is plugged and at the end it was discovered that the battery did not charge. And nothing is as dangerous as when a battery was fully charged and the owner is not aware of the charging state. This study solve problems such as not knowing when a battery is charging and when it is fully charged which can cause the battery not to charged or to over-charge.
1.3 Hypothesis/Research Questions
H1: There is a significant relationship between charger and rechargeable battery.
Research Questions
- What is the importance of battery charger?
- Is there any disadvantage of using this type of battery charger?
- What is the operating principle of a battery charger?
1.4 Aim and Objective of Study
The main aim of this work is to build an automatic battery charger which comprises of indicators that indicates charging process and charging level indicator. The objectives are:
- To build the device
- To know when a battery is charging or not
- To know the status of a battery thereby saving the battery from over-charge
1.5 Significance of Study
Carrying this work will go along way teaching students how battery charger is been made and the operation of battery charger. This study will also be of great benefit to all users of charger and rechargeable devices in that it will help them to understand how their battery is been charged and hw chargers are operated.
1.6 Scope of Study
The scope of this work focuses on the building of a 12v battery that incorporated charging process and charging level indicator. In this work, a voltage sensor circuit is incorporated to sense the voltage of the battery under charge. The charger has the ability to automatically switch OFF when the battery voltage reaches the required optimum level with the help of the contact relay, the transistor and the zener diode when bend the current back to the system, and the system have the ability to indicate when the battery is charging or not, when the battery is empty or fully charged.
1.7 Limitations of Study
This charger can only be used for 12v batteries. The final packaging of the device will compose of three LEDs which includes LED for power, charging process and charging level.
1.8
Definitions of terms
Below are terms that are frequently used in this work and their definitions:
Battery: a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power.
Charger: a device for charging a battery or battery-powered equipment.
Capacitor - a charge storage device made up of two metallic plates separated by a dielectric, with equal but opposite charges. The AC impedance of a Capacitor is (1 / jWL) and acts as an open circuit in DC applications.
Circuit - a complete path that allows electrical current from one terminal of a voltage source to the other terminal.
Alternating (AC) Current - currents that have a harmonic time dependence.
Ampere (A) - the unit of measurement for electrical current in coulombs per second.
CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of "construction of 12 volt automatic battery charger" is also available. Order full work to download. Chapter two of "construction of 12 volt automatic battery charger" consists of the literature review. In this chapter all the related works on "construction of 12 volt automatic battery charger" were reviewed.
CHAPTER THREE: The complete chapter three of "construction of 12 volt automatic battery charger" is available. Order full work to download. Chapter three of "construction of 12 volt automatic battery charger" 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 "construction of 12 volt automatic battery charger" is available. Order full work to download. Chapter four of "construction of 12 volt automatic battery charger" consists of all the test conducted during the work and the result gotten after the whole work.
CHAPTER FIVE: The complete chapter five of "construction of 12 volt automatic battery charger" is available. Order full work to download. Chapter five of "construction of 12 volt automatic battery charger" consist of conclusion, recommendation and references.
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