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Final year project 2 presentation
Design quail egg incubator for experimentssystem
MOHD FAIZ BIN MOHD ZINCD110233
Examination panel: A.Prof Dr Erween Abd Rahim
Examination panel: Mr. Mohd Nazrul bin Roslan
Industry panel: Mr. Harisfaisal Hamat
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Content of presentation
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Problem background
The existing incubators have inconsistent temperature and will
increase the percentage of hatching failure. Thus, improvements mustbe made to overcome this problem.
Scope
Design and build various species of quail egg incubator with
automatic control of temperature, humidity and time of turningthe eggs using microcontrollers and parameters set by user.
Objective
To design experimental system for incubation and hatching eggs formore quality and effective.
To design turning egg system.
To design experimental machine that is able to control thetemperature and humidity in incubator automatically based on the
various types of quail eggs.
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Literature review
Estimated duration and incubation specifications for various
species of quail.
Types of eggs Incubation
period
Temperature C Stop turning
egg
Humidity %
Bobwhite 21-23 days 37-38 Days 20 60-70
Coturnix 16-17 days 37-38 Days 14 60-70
California 22-23 days 37.5 Days 20 60-65
Gambels 24-25 days 37.5 Days 23 60-65
Button 16 days 37.5 Days 14 60-65
Valley 16-18 days 37.5 Days 14 60-65
Scaled 23 days 37.5 Days 21 60-65
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Continuation..
Types of incubator
Still air incubator Forced air incubator
No exhaust fan to circulate the air
flow
Reduce percentage of hatching
Some eggs did not get the right
/suitable temperature
Have exhaust fan to circulate the air
flow
Increase percentage of hatching
All the eggs are exposed to same
temperature
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ContinuationEgg turning mechanism
Tilting tray Moving floor Rollers
Egss will be tilted at an
angle of 40 degrees Works fine for commercial
purposes
Suitable for chicken eggs
Eggs are laid in horizontal
floor conveyor where itwill move side by side
Widely used in small scale
incubator
Suitable for egg having an
axis of symmetry
Rollers rotated by a
moving floor Used in small scale
incubator
Suitable for egg having an
axis of symmetry
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Project methodology
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Start
Project research
Design mechanical
system
Design incubator
housing
Design electrical
systemDesign interface
Build a turning egg
mechanism
Build housing
incubator
Making a
connection circuit
system which will
be controlled bythe microcontroller
Build the display
interface for
control and
monitoringpurposes
Integrated hardware
Test
Function
End
Check hardware
YesNo
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Project system
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Start
Select the desired species
of eggs on display
Adjustment of temperature and
humidity be automatically
created
whether the
temperature
and humidity
consistent ?
Check hardware
No
Yes
Filling the eggs in the
incubator
Automatic control of temperature and humidity consistently
heating coil will work
depends on the temperature
conditions
Fan function depending
on humidity conditions
the motor will work 2-3
times a day
the system will be disabled until the reach ofthe incubation process
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Incubator housing design
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Continuation
Housing/
frame
Exhaust fan
Egg tray
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Analysis and discussion result
Egg turning system
Using pulleys and belts as power
transmission
Powered by low speed geared
motor
Eggs will be filled in the gap
barriers to prevent it overdrawn
from conveyor
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The composition of component design
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Water filling system
This system will be designed automatically by using sensors
Water reservoir outside incubator will automatically supply the water at
water pan in the incubator
Ventilation system
Forced air will be streamed using exhaust fan The air will be fill the space inside incubator
convective air will flow from bottom to top
Circuit system This system will be controlled by the microcontroller
Sensor will give feed back to the controller in order to stabilize the system
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Design analysisSelect type of geared motor. Before that assume:
Able to handle 2.5 kg of weight
Powered by 24 Volt DC
Speed < 20 rpm
35 mm driven pulley and 30 mm driver pulley
Components Pulley diameter(mm) Speed (rpm) Torque (Nm) Force (N)
Motor - 20 2.26 24.24
Pulley 1 30 20 2.26 24.24
Pulley 2 35 17.14 2.637 150.69
Pulley 3 35 17.14 2.637 150.69
Pulley 4 35 17.14 2.637 150.69
Pulley 5 35 17.14 2.637 150.69
Pulley 6 35 17.14 2.637 150.69
Roller 1 40 15 3.013 150.65
Roller 2 40 15 3.013 150.65
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Continuation
Shaft 1 Shaft 2
FBD
Bending
stress
120.75 Mpa 58.85 Mpa
Shear stress 105.40 Mpa 31.24 Mpa
Safety factor 2.34 5.88
Analysis for shaft (theoritical)
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Continuation
Analysis for shaft (Simulation)
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Conclusion and recommendations
Let user select species to be incubated
Whole system is automatically controled
Design to control temperature and humiditywith minimal errors
Ideas for incubate various type of quail egg in
a time can be tested