HAND CRANKED DYNAMO BASED COALMINE LAMP

Instructor: Mr. J. VISHNUMURTHY M.Tech

Group members: CH. PRAVEENKUMAR (11141A0471) K. SANDHYA (11141A0487) J. SATHISH (11141A0489)

Aim of The Project To Switch on the emergency Head Lamp By delivering power through a non – conventional energy source like Dynamo. Here we have a rechargeable battery to store the electrical energy which is provided by the Dynamo.

HAND CRANK

DYNAMO

REVERSE POLARITY

PREVENTER & CORRECTOR

UNIDIRECTIONAL CURRENT

CONTROLLER

RECHARGEABLE BATTERY

IC 4047

LOAD

Block Diagram of The Project :

HAND CRANKED DYNAMO

Internal Structure of A DYNAMO

The Principle Behind The Working of A DYNAMO

Faraday’s Law of Electromagnetic Induction.

Reverse Polarity Preventer & Corrector

Split Ring Commutator (Part of Generator only)

Unidirectional Current Controller

IN4007 Diode : Which allows the current flow in only one direction.

IN4007 Diode

Rechargeable Battery Power Supply

In This Project we are using 12v DC Rechargeable battery

IC 4047 :

ASTABLE MULTIVIBRATOR :

Timing Components :

R & C will provide the required frequency for the output signal.

MOSFET IRF540N : High Power Three terminal device.

STEP UP TRANSFORMER:

SCHEMATIC DIAGRAM OF PROJECT:

ADVANTAGES: We are using a Dynamo for energy generation. Efficient & Low cost design. Easy to operate.

APPLICATIONS : This system can be practically implemented in real time applications . like Industries, Batteries, Mainly in Mining applications.

CONCLUSION: By using the highly advanced & reliable IC’s , & a medium rated dynamo with the help of growing technology, the project has been completed successfully.

FUTURE SCOPE : By Using a high rated dynamo & Increasing the range of Rechargeable Battery, we can make this project more reliable & efficient. Thus , we will get a large amount of power.