Portable Mobile Charger Using Solar Panel

PORTABLE MOBILE CHARGER USING SOLAR PANEL

SUBJECT:-ADVANCE COMPUTER ARCHITECTURE

GUIDED BY-PROF PUNITHA .K

GROUP :-CHANDRANI GHOSH(15MCA1036)

SUDESHNA BHAKAT(15MCA1024)

SHIVAM GUPTA(15MCA1006)

The aim of our project is to build a system that can generate power from that energy which was previ-ously used to get lost.Our project is extremely simple but highly useful.This system when applied onlarge scale can generate very high amount of power this power then can be used for upliftment of thecivilization.

Introduction:-

a battery charger, or recharger is a device used to put energy into a secondary cell or rechargeble battery by forcing an electric current through it.

every innovations starts from a simple day to day life problem like you watching ipl in tv and suddenly the current shuts off, fortunately you will find another way to watch the match via mobile network. similarly, i too had faced a problem of frequent drains in mobile battery while travelling.

running out of batteries on your mobile phone or tablet can be inconvenient while you’re traveling, grocery shopping, or when you’re on your way to meet someone.

portable chargers, which are small enough to fit in a purse, can come in handy in those situations because they allow you to charge your device while you’re on the go.with the help of solar panel we can charge our battery and can charge phone many times and use it as needable.like that we can use it .

How They Works:-

a portable charger is like a portable battery you can plug your phone or tablet in to charge it when you don’t have access to an electrical outlet or the usb port on computer.

portable chargers work similar to rechargeable batteries. you charge your portable charger by plugging it into an outlet; the portable charger stores the power; and when you plug your phone in, the power is transferred from the battery to the phone.

ABOUT NEEDABLE COMPONENTS:-

• PCB• 7805 IC• 1 K ohm RESISTANT• LED• 9V BATTERY AND ITS CAP• SUPPLY WIRE OF CHARGER• SOLAR PANEL

ABOUT ALL COMPONENTS:-

Printed circuit board:-A printed circuit board (PCB) mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate. PCBs can be single sided (one copper layer), double sided (two copper layers) or multi-layer (outer and inner layers). Multi-layer PCBs allow for much higher component density. Conductors on different layers are connected with plated-through holes called vias. Advanced PCBs may contain components - capacitors, resistors or active devices - embedded in the substrate.

Printed circuit boards are used in all but the simplest electronic products. Alternatives to PCBs include wire wrap and point-to-point construction. PCBs require the additional design effort to lay out the circuit, but manufacturing and

assembly can be automated. Manufacturing circuits with PCBs is cheaper and faster than with other wiring methods as components are mounted and wired with one single part. Furthermore, operator wiring errors are eliminated.

Printed circuit board is the most common name but may also be called “printed wiring boards” or “printed wiring cards”. Before the advent of the PCB circuits were constructed through a laborious process of point-to-point wiring. This led to frequent failures at wire junctions and short circuits when wire insulation began to age and crack.

A significant advance was the development of wire wrapping, where a small gauge wire is literally wrapped around a post at each connection point, creating a gas-tight connection which is highly durable and easily changeable.

7805 IC:- Voltage regulator IC's are the IC’s that are used to regulate

voltage.

IC 7805 is a 5V Voltage Regulator that restricts the voltage output to 5V and draws 5V regulated power supply. It comes with provision to add heatsink.

The maximum value for input to the voltage regulator is 35V. It can provide a constant steady voltage flow of 5V for higher voltage input till the threshold limit of 35V. If the voltage is near to 7.5V then it does not produce any heat and hence no need for heatsink. If the voltage input is more, then excess electricity is liberated as heat from 7805.

It regulates a steady output of 5V if the input voltage is in rage of 7.2V to 35V. Hence to avoid power loss try to maintain the input to 7.2V. In some circuitry voltage fluctuation is fatal (for e.g. Microcontroller), for such situation to ensure constant voltage IC 7805 Voltage Regulator is used. For more information on specifications of 7805 Voltage Regulator please refer the data sheet here (IC 7805 Voltage Regulator Data Sheet).

Voltage Regulator is one of the most important and commonly used electrical components. Voltage Regulators are responsible for maintaining a steady voltage across an Electronic system. Voltage fluctuations may result in undesirable effect on an electronic system, so to maintaining a steady constant voltage is necessary according to the voltage requirement of a system.

1 K ohm RESISTANT:-

A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. Resistors act to reduce current flow, and, at the same time, act to lower voltage levels within circuits. In electronic circuits, resistors are used to limit current flow, to adjust signal levels, bias active elements, and terminate transmission lines among other uses. High-power resistors that can dissipate many watts of electrical power as heat may be used as part of motor controls, in power distribution systems, or as test loads for generators. Fixed resistors have resistances that only change slightly with temperature, time or operating voltage. Variable resistors can be used to adjust circuit elements (such as a volume control or a lamp dimmer), or as sensing devices for heat, light, humidity, force, or chemical activity.

The electrical function of a resistor is specified by its resistance: common commercial resistors are manufactured over a range of more than nine orders of magnitude. The nominal value of the resistance will fall within a manufacturing tolerance.

DEVICE POWER:-

1K Ohm 1/4 Watt 5% Tolerance Carbon Film Resistor. Max Working Voltage: 250V. v

LED:-

A light-emitting diode (LED) is a two-lead semiconductor light source. It is a p–n junction diode, which emits light when activated. When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons. This effect is called electroluminescence, and the color of the light (corresponding to the energy of the photon) is determined by the energy band gap of the semiconductor.

SOLAR PANEL:-

Solar panel refers to a panel designed to absorb the sun's rays as a source of energy for generating electricity or heating.

A PV module is a packaged, connected assembly of typically 6×10 solar cells. Solar PV panels constitute the solar array of a photovoltaic system that generates and supplies solar electricity in commercial and residential applications. Each module is rated by its DC output power under standard test conditions, and typically ranges from 100 to 320 watts. The efficiency of a module determines the area of a module given the same rated output – an 8% efficient 230 watt module will have twice the area of a 16% efficient 230 watt module. There are a few solar panels available that are exceeding 19% efficiency. A single solar module can produce only a limited amount of power; most installations contain multiple modules.

The price of solar power, together with batteries for storage, has continued to fall so that in many countries it is cheaper than ordinary fossil fuel electricity from the grid (there is "grid parity"). For example in 2015, an average home in Europe or the US could use around 3,000 kilowatt-hour (kWh) in electricity each year.Twelve 280 watt solar PV modules (each generating 250 kWh annually) would generate at least 3,000 kWh each year, even in a cloudy country like the UK. An example market price would be about £8,000 in the UK, $12,000 in the US, or €10,000 in the Eurozone in 2015, which is certain to continually fall,allowing permanent energy independence for each household. Most governments have feed-in tariff systems that allow homeowner to sell surplus energy back into the grid, and make a future profit on their investment.

9V BATTERY & SUPPLY WIRE OF CHARGER:-

Working IMAGE:-

WORKING WITH SOLAR CHARGER:-

CHARGING the rechargeable BATTERY

It charging the mobile battery

CONCLUSION:-

Our project goal is to develop a miniature solar panel to be installed onto the cellphone itself . This way, the phone can charge independently; independent of power outlets and independent of wires. There won’t be any need for electrical outlets or portable solar panels. Themobile phone will be able to charge anywhere outside or where it is exposed to sun light. Aminiature solar cell will be built into the phone and able to absorb enough sunlight to charge thedevice while in use.

Being liberated from wires and power outlets is just one of the many advantages of having solar panels on cell phones. As the world’s resources are diminishing, governments areencouraging for a green movement to help conserve the limited supply.Solar energy is gaining popularity because of the free and abundant energy. This fact alone will save customersmoney on their electric bills. The energy is also clean and produces no hazardous waste likesome of the other power generation resources.