Design And Construction Of A Solar Power Bank
The design and construction of a solar power bank involve the integration of photovoltaic panels, energy storage components, and charging circuitry to harness solar energy and convert it into electrical power for charging various devices such as smartphones, tablets, and other gadgets. The process begins with selecting high-efficiency solar panels capable of capturing sunlight and converting it into electricity efficiently. These panels are then connected to a rechargeable battery pack, typically lithium-ion or lithium-polymer, which stores the generated energy for later use. Additionally, the power bank incorporates a charge controller to regulate the voltage and current from the solar panels to ensure safe and optimal charging of the battery. To enhance portability and durability, the construction involves using lightweight yet robust materials for the casing, and may include features like waterproofing and shock resistance for outdoor use. Furthermore, the design may include USB ports or wireless charging capabilities to accommodate various devices, making the solar power bank a versatile and eco-friendly solution for powering electronics on the go while reducing reliance on grid electricity and minimizing carbon footprint.
Solar Power Bank comprises of a Solar Photovoltaic Modules, Solar Power Conditioning Unit (special circuit to control power flow), battery Bank. They allow one to store electrical energy (deposit it in the bank by Solar Photovoltaic cell). Solar Photovoltaic cell which produces electricity only from solar panels and meets the load requirement and then later use it to charge up a mobile device.
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
TABLE OF CONTENT
CHAPTER ONE
1.1 INTRODUCTION
1.2 BACKGROUND OF THE PROJECT
1.3 PROBLEM STATEMENT
1.4 AIM/ OBJECTIVE OF THE PROJECT
1.5 SIGNIFICANCE OF THE PROJECT
1.6 SCOPE OF THE PROJECT
1.7 LIMITATION OF THE PROJECT
1.8 METHODOLOGY
1.9 PROJECT ORGANISATION
CHAPTER TWO
LITERATURE REVIEW
2.0 LITERATURE REVIEW
2.1 REVIEW OF THE STUDY
2.2 HISTORICAL BACKGROUND OF POWER BANK
2.3 BACKGROUND SOLAR ENERGY
2.4 HISTORICAL BACKGROUND OF SOLAR CELLS
2.5 THEORY OF SOLAR CELLS
CHAPTER THREE
DESIGN METHODOLOGY
3.0 METHODOLOGY
3.1 SYSTEM BLOCK DIAGRAM
3.2 SYSTEM CIRCUIT DIAGRAM
3.3 COMPONENT LIST
3.4 SYSTEM OPERATION
3.5 CIRCUIT DESCRIPTION
3.6 CONNECTING THE SOLAR PANEL
3.7 CONNECTING THE USB PORT
3.8 DESCRITION OF MAJOR COMPONENTS USED
CHAPTER FOUR
4.0 RESULT ANALYSIS
4.1 CONSTRUCTION PROCEDURE
4.2 TESTING OF SYSTEM OPERATION
4.3 ASSEMBLING
4.5 OBSERVATION
4.3 DIFFICULTIES ENCOUNTERED ON THE SYSTEM
CHAPTER FIVE
5.0 CONCLUSION, RECOMMENDATION AND REFERENCES
5.1 CONCLUSION
5.2 RECOMMENDATION
5.3 REFERENCES
1.0 INTRODUCTION
1.1 BACKGROUND OF THE STUDY
A power bank is a portable battery charger, or recharger,[1][2] which is used to put energy into a secondary cell or rechargeable battery of a cell phone by forcing an electric current through it.
This device supplies power from its built-in battery through a charging port. Power banks are popular for charging devices when little adjustment is made on it. They can also be used as a power supply for various powered devices such as lights and small fans. They usually recharge with a power supply. The power bank includes a control circuit that both regulates charging of the battery and converts the battery voltage for the device. Some chargers for cells like 18650s and 26650 can also serve as a power bank. Although it is generally more cumbersome to carry such a charger with cells rather than a conventional power bank, this type of setup has the advantage of being able to charge cells for other uses. It also has the advantage that, when the cells are dead, they can be swapped for fresh cells for immediate use rather than having to be recharged first.
1.2 PROBLEM STATEMENT
Sometimes there is nothing worse than losing all the charges on your cell phone 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 cell phone 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 cell phone 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 call/text people for business or personal reasons when your cell phone 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 solar dependable device that is used to recharge small devices such as cellphone when and where there is no charge to charge the device. A connector is added to complete the design. The type of connector will depend on the device to be charged. Cell phones require the Micro-USB “type B” receptacle connector.
1.4 SIGNIFICANCE OF THE PROJECT
Solar Power bank serve as an ‘extra battery’ or external charger for your phone or other electronic devices. Solar Power bank helps to ensure longer hours of texting, phone calls, or web browsing using your mobile phone.
1.5 SCOPE OF THE PROJECT
Cell-phone batteries often die at very inconvenient times, with no ac power outlet nearby. This device uses standard AA batteries, which can be bought almost anywhere, to recharge cell phones and other portable devices like music players, e-book readers, and cameras.
The circuit chargers that typically come with cell phones and other portable devices 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
• It can only be recharged with solar energy through solar panel
• The duration of the charged when in used depend on the number of cell used.
• Using solar energy for this device means that charging the power bank during cloudy or raining time becomes a problem.
1.7 METHODOLOGY
To achieve the aim and objectives of this work, the following are the steps involved:
i. Study of the previous work on the project so as to improve it efficiency.
ii. Draw a block diagram.
iii. Test for continuity of components and devices,
iv. Design of the system was carried out.
v. Studying of various component used in circuit.
vi. Construct of the system circuit.
vii. Finally, the whole device was cased and final test was carried out.
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 the study. In this chapter, the background, significance, objective, limitation and scope 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.
Design And Construction Of A Solar Power Bank:
A solar power bank is a portable charging device that incorporates solar panels to harness energy from the sun and convert it into electricity. This renewable energy source allows the power bank to recharge itself when exposed to sunlight, providing a convenient and eco-friendly way to charge your electronic devices on the go. Here are some key features and considerations regarding solar power banks:
- Solar Panels: Solar power banks are equipped with solar panels that capture sunlight and convert it into electrical energy. The efficiency of these panels can vary, and it generally takes longer to charge the power bank via solar energy compared to traditional wall charging.
- Battery Capacity: The battery capacity is an essential factor to consider. It determines how much charge the power bank can store and subsequently deliver to your devices. Higher capacity power banks can charge devices multiple times before needing a recharge themselves.
- Charging Speed: Solar charging is typically slower than charging through a wall outlet, so it’s important to check the power bank’s specifications for both solar and regular charging speeds.
- Built-in Features: Some solar power banks come with additional features such as LED flashlights, rugged designs for outdoor use, and water-resistant or waterproof capabilities. These features can be beneficial for users who need a durable and versatile charging solution.
- Portability: The size and weight of the solar power bank can impact its portability. Choose a size that suits your needs and consider the weight if you plan to carry it in a backpack or pocket.
- Compatibility: Ensure that the power bank has the necessary ports and compatibility with your devices. USB ports, USB-C, and micro USB are common options for connecting various devices.
- Durability: If you plan to use the solar power bank in outdoor or rugged conditions, look for a model that is built to withstand elements like water, dust, and shocks.
- Brand and Reviews: Consider reputable brands with positive customer reviews when purchasing a solar power bank. This can help ensure the quality and reliability of the product.
Solar Power Bank:
It’s important to note that while solar power banks offer a convenient way to recharge devices in outdoor or emergency situations, they should not be solely relied upon for regular charging needs, as the solar charging process is often slower and dependent on sunlight availability. It’s recommended to charge the power bank through a wall outlet when possible and use solar charging as a supplementary option.