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TITLE PAGE
DESIGN AND CONSTRUCTION OF AUTOMATIC ELECTRIC COOKER WITH TIMER
BY
---
EE/H2013/01430
DEPARTMENT OF ----
SCHOOL OF ---
INSTITUTE OF ---
DECEMBER,2018
APPROVAL PAGE
This is to certify that the research work, "design and construction of automatic electric cooker with timer" by ---, Reg. No. EE/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.
By
--- . ---
Supervisor Head of Department.
Signature………………. Signature……………….
……………………………….
---
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 automatic electric cooker with timer" 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 Chapter one of "design and construction of automatic electric cooker with timer" visible for everyone, then the complete material on "design and construction of automatic electric cooker with timer" is to be ordered for. Happy viewing!!!
This project entails the design and construction of electric cooker with timer, the cooker is powered by electricity because it is cheap and readily available. The energy conservation in this electric cooker involves the conversion of electrical energy to heat energy in the system. Materials used for the construction were selected based on their reliability availability, maintainability and durability. The device was tested and found to be working properly.
TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
1.0 INTRODUCTION
1.1 THEORETICAL BACKGROUND OF STUDY
- PROBLEM STATEMENT
- AIM AND OBJECTIVE OF THE PROJECT
- PURPOSE OF THE PROJECT
- SIGNIFICANCE OF THE PROJECT
- SCOPE OF THE PROJECT
- DELIMITATION OF THE PROJECT
- LIMITATION OF THE PROJECT
- DEFINITION OF TERMS
- PROJECT WORK ORGANISATION
CHAPTER TWO
LITERATURE REVIEW
- REVIEW OF THE STUDY
- REVIEW OF DIFFERENT TYPES OF COOKER
CHAPTER THREE
3.0 CONSTRUCTION METHODOLOGY
3.1 INTRODUCTION
3.2 COMPONENT OF THE SYSTEM
3.3 DESIGN DIMENTION
3.4 WORKING PRINCIPLE OF THE SYSTEM
3.5 DESCRIPTION OF HEATING ELEMENT
3.6 PICTORIAL DIAGRAM OF AN ELECTRIC COOKER HEATING ELEMENT
3.7 SYSREM OVEN CIRCUIT DIAGRAM
CHAPTER FOUR
TEST AND RESULT ANALYSIS
- CONSTRUCTION PROCEDURE
- CASING AND PACKAGING
- ASSEMBLING OF SECTIONS
- PACKAGING
- TAKING CARE THE COOKER
- TROUBLESHOOTING
4.7 BILL OF ENGINEERING MEASUREMENTS AND EVALUATION
CHAPTER FIVE
5.0 CONCLUSION, RECOMMENDATION AND REFERENCES
- CONCLUSION
- RECOMMENDATION
- REFERENCES
CHAPTER ONE
- INTRODUCTION
Electricity heating is the passage of electric current through a resistance wire to produce heat (converting electrical energy to heat energy). It is the only method by which an exact amount of heat can be produced precisely at the point where it is needed. Electricity heating is used in many home appliances such as electric driver, cookers, oven e.t.c to heat rooms and industrial processes, to provide high temperature required in various industrial processes, and heat lamps used for drying paint, baking and relief of muscular pain e.t.c.
The utilization of electrical energy for cooking has not been popular in the recent past and this is because it has for long been neglected in favour of the direct use of gas and oil for cooking in our homes, while the former is faster, more economical and easily available provided there is constant supply of electricity and the later is expensive, but as these fossil fuels diminishes, however the use of electricity for cooking purpose becomes more attractive option. (Louis et al, 1999) electric cooker is a device or a unit which converts electrical energy into heat energy used mostly for cooking, baking and roasting. It provides better cooking and permits efficient use of electricity, it is quick to use and it is relatively quite and devoid of any pollutant to the environment.
1.1 THEORETICAL BACKGROUND OF STUDY
HEATING EFFECT
Electrical cooker is an appliance that works basically by the heating effect of electric current on conductors. Sometime, this heating effect is an inevitable waste of power for instance, in transmission of electricity on power lines in which the voltages at the terminals is evolved due to the heating of electric current.
However, the heat produced by the flow of electricity is utilized by many or equipments used at home and industries some of the practical applications of the concept are found in electric cooker, electric oven, and electric space heater inexhaustible.
Heat which is a form of energy is transferred across a boundary of a system and given to another system or surrounding at a lower temperature by virtue of temperature difference between them. The heat is only identified across the system boundary (Welty et at, 1976). Heat is of great importance to man on earth for their daily needs. It is with that electricity is generated, food is cooked and houses are warmed.
Heat, by which electric cooker operates on is generated by electricity of which materials used for the construction must have thermal capabilities and suitability to serve as heating element.
1.2 PROBLEM STATEMENT
Specifically, this design seeks for a source of energy that is relatively cheap and available, and therefore has an edge over other stoves and ovens that uses kerosine and gas as sources of energy. It also aims at making domestic cookers and ovens safe enough as against highly flammable liquid or gas fuel.
Many Nigerians today are faced with the problem of petroleum fuel scarcity and as per cooking and drying which is not often easy to get fire wood from forests that are often far away especially from the big cities. Equally too, the few available fuels are of substandard quality with the attendant danger of fire outbreak.
In addition above, fuel consuming cookers and ovens have two outstanding deficiencies, namely; sooty pre-heating and problem of dogged nozzles which lead to offensive discouraging and dirty burning.
Above all, deforestation as a result of fire wood consumption is causing great deal of environmental problems in most regions of Africa. In this modern world and its various invented means of cooking, it largely seems as if non has quite addressed this area by providing an alternative means of cooking and drying.
In a close observation, large scale cooking and drying as an drying of meat and fish sellers, commercial corn roasters, food sellers and “suya” sellers, etc, need efficient heating system. The absence of short drying period and hygienic process of preserving our loide and sea foods is another issue, which has led to fast spoiling and give an electrical stove with an oven apartment to sufficiently address these problems.
1.3 AIM / OBJECTIVE OF THE PROJECT
The aim of this work is to build an automatic electric cooker with timer. At the end of this work student involved shall be able:
- To understand the working principle of electric cookers,
- Adapting it to our local condition using as much as possible locally made available materials.
- determine the thermal capacities of various materials and the compatibility to serve as heating element.
- Build a timing circuit.
This project work is intended to serve as a catalogue and manual for the construction, installation, maintenance and repair of different possible faults in electric cookers, it is also of a great benefit to the department and society as it will serve as medium of knowing the principle of operating the model work. It serve as an alternative means for cooking instead of using the gas cooker, solar cooker and the firewood.
1.5 SCOPE OF THE PROJECT
There is no upper limit to the temperature obtained except the ability of the material to with stand heat. The timer units allow you to set how many minutes you want the food to be left cooking unattended and others come with a preset time (eight minutes) that cannot be changed.
Once the stove has been automatically turned off, some units only require the person to return to the kitchen for the cooker to come back on, whereas others must be manually turned off and back on again.
1.6 DELIMITATION OF THE PROJECT
1. There is freedom of location and general adaptability.
2. It entails good cooking condition, cleanliness, quietness and ambient temperature.
3. Uniform of temperature within narrow limit.
4. Capital cost, running and maintenance cost of electric cooker are low.
5. There are no deposits of ash carbon dirt in an electric cooker.
1.7 LIMITATION OF THE PROJECT
It cannot be used where there is no electricity, since it makes use of electrical energy. The timer Save your time and energy essential timer. It is a 90 minutes electric cooker timer, can set time from 1 to 90 minutes.
1.8 DEFINITION OF TERMS
THERMOSTAT: This is an electrical device design to heat up bend and open the circuit when excessive current flows and close the circuit when the heat reduces. It can also be defined as an automatic regulator that control the amount of current that heat up the circuit.
HEATING ELEMENT: This is a conductor material that is designed to heat up when connected to current flow. It converts electric energy into heat energy.
OUTLET PLUG: This is an electrical device design with two or three metal pins that fit into holes in a socket to make an electrical connection.
SWITCH: This is a device used to connect or break the flow of electric current in a circuit.
INDICATOR (LAMP): This is a device which glows like a bulb indicating the working status of a connection.
CABLE: A cable is a material or conductor use in conveying electric current from one point to another.
1.8 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 an electric cooker. In this chapter, the background, significance, objective limitation and problem of an electric cooker were discussed.
Chapter two is on literature review of an electric cooker. 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 chapter one of this work has been displayed above. The complete chapter two of "design and construction of automatic electric cooker with timer" is also available. Order full work to download. Chapter two of "design and construction of automatic electric cooker with timer" consists of the literature review. In this chapter all the related work on "design and construction of automatic electric cooker with timer" was reviewed.
CHAPTER THREE: The complete chapter three of "design and construction of automatic electric cooker with timer" is available. Order full work to download. Chapter three of "design and construction of automatic electric cooker with timer" 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 automatic electric cooker with timer" is available. Order full work to download. Chapter four of "design and construction of automatic electric cooker with timer" 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 automatic electric cooker with timer" is available. Order full work to download. Chapter five of "design and construction of automatic electric cooker with timer" consist of conclusion, recommendation and references.
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