DESIGN AND CONSTRUCTION OF A REMOTE CONTROLLED FAN REGULATOR
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TITLE PAGE
BY
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--/H2013/01430
DEPARTMENT OF ----
SCHOOL OF ---
INSTITUTE OF ---
APPROVAL PAGE
This is to certify that the research work ''design and construction of a remote controlled fan regulator'' 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.
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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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The work is on design and construction of a remote controlled fan regulator. Remote controlled fan regulator is an electronics device that enables the user to operate a fan regulator from approximately 10 meters away. However, with this device one can change the speed of the fan from your couch or bed. The device would allow a person to control the speed of a fan by simply pointing the remote towards a sensor and then pressing any key. Infrared receiver module TSOP1738 is used to receive the infrared signal transmitted by remote control.
The system was broken down into simpler functional blocks namely; infra-red transmitter, infra-red sensor, signal amplifier, control logic, sampler, control stepper, output control logic, load and display unit. Details of each subunit are described in the paper. The system is powered by regulated 9V. The AC mains is stepped down by transformer X1 to deliver a secondary output of 12V-0-12V. The transformer output is rectified by full-wave rectifier comprising diodes D1 and D2, filtered by capacitor C9 and regulated by 7809 regulator to provide 9V regulated output.
TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
- OBJECTIVE OF THE PROJECT
- SIGNIFICANCE OF THE PROJECT
- PROBLEM AND LIMITATION OF THE PROJECT
- SCOPE OF THE PROJECT
- APPLICATION OF THE PROJECT
CHAPTER TWO
LITERATURE REVIEW
- OVERVIEW OF THE PROJECT
- HISTORICAL BACKGROUND OF THE PROJECT
- OPERATION OF FAN REGULATOR
- REVIEW OF DIFFERENT TYPES OF FAN REGULATOR
- OPERATING PRINCIPLE OF AN ELECTRIC FAN
CHAPTER THREE
SYSTEM DESIGN
- DESCRIPTION OF THE SYSTEM BUILDING BLOCK
- SYSTEM DESIGN SPECIFICATION
- BLOCK DIAGRAM OF THE SYSTEM
- DESCRIPTION OF THE OVERALL OPERATION OF THE SYSTEM
- LIST AND DESCRIPTION OF THE SYSTEM COMPONENTS
- COMPLETE CIRCUIT DIAGRAM
CHAPTER FOUR
- IMPLEMENTATION, TESTING AND RESULTS
- CONSTRUCTION PROCEDURE AND TESTING
- INSTALLATION OF THE COMPLET DESIGN
- CASING AND PACKAGING
- ASSEMBLING OF SECTIONS
- TESTING OF SYSTEM OPERATION
- PROBLEM ENCOUNTERED
CHAPTER FIVE
- CONCLUSION
- RECOMMENDATION
- REFERENCES
CHAPTER ONE
1.1 INTRODUCTION
Remote control facilitates the operation of fan regulators around the home or office from a distance. It provides a system that is simple to understand and also to operate, a system that would be cheap and affordable, a reliable and easy to maintain system of remote control and durable system irrespective of usage. It adds more comfort to everyday living by removing the inconvenience of having to move around to operate a fan regulator. The system seeks to develop a system that is cost effective while not under mining the need for efficiency.
1.2 BACKGROUND OF THE PROJECT
The first remote control, called “lazy bones” was developed in 1950 by Zenith Electronics Corporation (then known as Zenith Radio Corporation). The device was developed quickly, and it was called “Zenith space command”, the remote went into production in the fall of 1956, becoming the first practical wireless remote control device.
Remote control helps the operation of fan regulators around the home or office from a distance. It provides a system that is simple to understand and also to operate, a system that would be cheap and affordable, a reliable and easy to maintain system of remote control and durable system irrespective of usage. It adds more comfort to everyday living by removing the inconvenience of having to move around to operate a fan regulator. The system seeks to develop a system that is cost effective while not under mining the need for efficiency.
Today, remote control is a standard on other consumer electronic products, including VCRs, cable and satellite boxes, digital video disc players and home audio players. And the most sophisticated TV sets have remote with as many as 50 buttons. In year 2000, more than 99 percent of all TV set and 100 percent of all VCR and DVD players sold are equipped with remote controls. The average individual these days probably picks up a remote control at least once or twice a day.
Basically, a remote control works in the following manner. A button is pressed. This completes a specific connection which produces a Morse code line signal specific to that button. The transistor amplifies the signal and sends it to the LED which translates the signal into infrared light. The sensor on the appliance detects the infrared light and reacts appropriately.
The remote control’s function is to wait for the user to press a key and then translate that into infrared light signals that are received by the receiving appliance. The carrier frequency of such infrared signals is typically around 36 kHz. Usually, the transmitter part is constructed so that the transmitter oscillator which drives the infrared transmitter LED can be turned on/off by applying a TTL (transistor-transistor logic) voltage on the modulation controlled input. On the receiver side, a photo transistor or photodiode takes up the signals.
The approach used in this work is the modular approach where the overall design was broken into functional block diagrams, where each block in the diagram represents a section of the circuit that carries out a specific function.
1.3 AIM/OBJECTIVE OF THE PROJECT
The aim is to design a remote control that is portable in size and a receiver that responds only to the infra-red signal transmitted by the remote control. The system responds favorable and automatically changes the fan speed. The receiver-transmitter maximum distance is approximately 10m; this is the range of the transmission of the infra-red diode used. It was noted that the receiver unit was able to receive signal propagated of the distance within the range.
1.4 SIGNIFICANCE OF THE STUDY
This work provides a means of control ceiling fan speed from a distance using remote. The device would allow a person to control the speed of a fan by simply pointing the remote towards a sensor and then pressing any key. Now you can lie in your bed or sit on the sofa and conveniently operate your fan. You don't need to or have to get up. Besides, you now have extra functions that were not possible with the conventional fan regulators.
It is cheap and consumes less current, this system uses from 5v to 12v dc supply while the remote uses two AAA battery.
The 5-speed ceiling fan remote control allows you stay away from your ceiling fan's regulator and conveniently operate it. Even from a significant distance away. this fan remote control works up to a distance of 8 meters! Then think of this, especially if you use a pre-paid PHCN meter: your fans will never come on just because PHCN brought power in your absence and you had left their switches in 'on' position. With this control system, a fan has to be deliberately put on. It doesn't come on just with the return of power supply. Consider how much energy you waste when fans are forgotten in 'on' position when power outage occurs and they just get working when power returns, often in your absence.
1.5 PROBLEM OF THE PROJECT
The only problem of this device: even though pwm is generating fan speed remains full speed and does not change according to pm signal.
1.6 LIMITATION OF THE PROJECT
This device Control ceiling fan with a IR remote. It has 5 speed controllers. this system uses from 5v to 12v dc supply while the remote uses two AAA battery of the same voltage range which means that the device will stop working as soon as the remote battery goes below the range say 4v.
1.7 SCOPE OF THE PROJECT
CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of ''design and construction of a remote controlled fan regulator'' is also available. Order full work to download. Chapter two of ''design and construction of a remote controlled fan regulator'' consists of the literature review. In this chapter all the related work on ''design and construction of a remote controlled fan regulator'' was reviewed.
CHAPTER THREE: The complete chapter three of ''design and construction of a remote controlled fan regulator'' is available. Order full work to download. Chapter three of ''design and construction of a remote controlled fan regulator'' detector 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 remote controlled fan regulator'' is available. Order full work to download. Chapter four of ''design and construction of a remote controlled fan regulator'' detector 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 remote controlled fan regulator'' is available. Order full work to download. Chapter five of ''design and construction of a remote controlled fan regulator'' detector consist of conclusion, recommendation and references.
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