it gives the information about how to supply power to coal mine lamp using dynamo

1. HAND CRANKED DYNAMO BASED
COALMINE LAMP
Instructor: Mr. J. VISHNUMURTHY M.Tech
Group members: CH. PRAVEENKUMAR (11141A0471)
K. SANDHYA (11141A0487)
J. SATHISH (11141A0489)

2. 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.

3. HAND CRANK
DYNAMO
REVERSE POLARITY
PREVENTER &
CORRECTOR
UNIDIRECTIONAL
CURRENT CONTROLLER
RECHARGEABLE
BATTERY
IC 4047
LOAD
Block Diagram of The Project :

4. HAND CRANKED DYNAMO

5. Internal Structure of A DYNAMO

6. The Principle Behind The Working of A DYNAMO
 Faraday’s Law of Electromagnetic Induction.

7. Reverse Polarity Preventer & Corrector
 Split Ring Commutator (Part of Generator only)

8. Unidirectional Current Controller
 IN4007 Diode :
Which allows the current
flow in only one direction.
IN4007 Diode

9. Rechargeable Battery Power Supply
 In This Project we are using 12v DC Rechargeable battery

10. IC 4047 :

11. ASTABLE MULTIVIBRATOR :

12. Timing Components :
R & C will provide the required frequency for the output
signal.
MOSFET IRF540N :
High Power Three terminal device.

13. STEP UP TRANSFORMER:

14. SCHEMATIC DIAGRAM OF PROJECT:

15. 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.

16. 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.

17. 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.