This document presents a design for a speed breaker that can generate electricity. It discusses two possible mechanisms: a spring coil mechanism and a rack-pinion mechanism. The spring coil mechanism uses the compression of a spring when a vehicle passes over the speed breaker to power a pneumatic system that converts the energy to electricity. The rack-pinion mechanism uses a rack and pinion gear setup to convert vertical motion into rotational motion to drive an electric generator. The speed breaker could help produce small amounts of electricity from kinetic energy of passing vehicles and power streetlights.
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Power generation using speed breakers
1. PRESENTING BY :
B.Peddanna, P.Muskin
BRANCH : ECE 3RD YEAR
CONTACT NUMBER : 7013121189
VAAGDEVI INSTITUTE OF TECHNOLOGY &
SCIENCE
PRODDATUR
2. Introduction
Different mechanisms
Spring coil mechanism
Rack pinion mechanism
Merits and demerit
scope and uses
Conclusion
CONTENTS
3. A large amount of energy is wasted at
the speed breakers through friction ,
every time a vehicle passes over it.
So electricity can be generated using the
vehicle weight (potential energy) as
input.
So, this is a small step to try to
improve this situation.
INTRODUCTION
4. POSSIBLE USING DIFFERENT MECHANISM
1.Spring coil mechanism.
2.Rack- pinion mechanism.
3.Crank-shaft mechanism.
4.Roller mechanism.
5. Conversion of mechanical energy
to pneumatic energy.
which is converted to electrical
energy
Working principle
6. The material used
in construction of
speed breakers is
steel.
The shape of speed
breaker is
trapezoidal .
Design of the speed Breaker
7. Here we are making the speed breaker of
vibrating type, when a vehicle crosses
the speed breaker, it gets pressed and
then it gets back to its original position.
Dimensions of speed breaker:-
Height
Width
Length
: 0.2m
: 0.4m
: 4m
Construction of the speed Breaker
8. Height: 0.35m
Length : 4m
Width :0.45m
The bottom layer
of the trench is
filled with
concrete or with
wooden plates of
0.5m.
This is for
cushion effect.
Construction of the Trench
10. Maximum load on the
speed breaker is when
the vehicle is on the
middle of the speed
breaker.
Continued..
11. When the
pressure in the
FRL unit exceeds
the defined level
the valve opens
and the
pressurized air is
given to the
nozzle.
Continued..
12. The diameter of the
inlet of nozzle must be
greater than outlet.
Here the pressure
energy is converted to
kinetic energy i.e
pressure→high
velocity.
This high velocity
compressd air when
hits the impeller
,makes it to rotate.
NOZZLE
13. CONSISTS -
Casing
Runner and buckets
CASING-
This is provided to safeguard device
against accidents.
IMPELLER
14. It consists of a
circular disc on the
periphery of which
have number of
buckets evenly
spaced are fixed.
Each bucket is
divided in to 2
symmetrical parts by
a dividing wall is
know as splitter.
When the air strikes
the runner ,it
rotates &
continues rotation
due to inertia.
RUNNER
15. An electrical generator is a machine
which converts mechanical energy into
electrical energy.
The output of the alternator is used to
light the street lights & is rectified &
stored in batteries.
ALTERNATOR
16. The various machine elements used in the
construction of power hump are
i. RACK-PINION
ii. SPROCKETS
iii. GEARS
iv. FLY WHEEL
v. SHAFT
vi. ELECTRIC GENERATOR
2.RACK PINION MECHANISM:
18. To regulate the energy
and maintain the
energy at an uniform
level so that the shaft
rotate at an uniform
r.p.m
Flywheel
Gear
The input gear
transfers power
to the output
gear.
21. Merits Demerits
Low Budget electricity
production.
Less floor area.
No obstruction to traffic
Non polluting power
generating source.
No need to manual
work.
We have to check
mechanism from time
to time.
It can get rusted in
rainy season.
22. .
Future scope:
Suitable at parking of multiplexes, malls, toll
booths, signals, etc.
Uses: Charging batteries and using them to
light up the streets, etc.
Such speed breakers can be designed for
heavy vehicles, thus increasing input torque
and ultimately output of generator.
More suitable and compact mechanisms to
enhance efficiency.
23. It can be implemented at metropolitan cities,
So that more electric power is produced.
Arrangement of whole setup is easier and it
is eco friendly
The stored electricity could satisfy the daily
requirement of electric power.
CONCLUSION