This document presents details about an automatic car wash system project created by three students at Isra University under the supervision of Mr. Asif Javed Bajwa. It describes the components, working process, and advantages of the PLC-based system. The system uses a programmable logic controller and sensors to automatically move a car through five stages - shampooing, brushing, rinsing, drying, and exit. It is intended to save time, reduce hazards, and provide an efficient service for customers.

1. Group members
 Irfan Anjum 1402-BTES-003
 Tarif Hussain 1402-BTES-010
 M. Faisal Majeed 1402-BTES-006
Project Supervisor
 MR. Asif Javed Bajwa
Isra University
Islamabad Campus
School of Engineering and Applied Sciences

2. PLC Based Automatic
Car Wash System

3. PRESENTATION CONTENTS
 Why Automatic Car Washing Project?
Components List
Overview of Five stages
Car wash Flow Process
 Working Principle
 System Context Diagram
 Block Diagram
 Circuit Diagram
Advantages & Limitations
 Target Audience
 SWOT Analysis ( Business Concern )
 Future Enhancement
 Conclusion

4. Why automatic car wash project?
 Save time
 Hazards free
 Society life style changing
 To provide efficient & reliable service
 Utilization of limited manpower
 Not too complicated ( customer friendly )
 Environment friendly

5. COMPONENTS LIST
 Programmable Logic Controller
 Photo Electric Sensors
 Relays module
 Wiper motor
 Dc motors
 Led Lights
 Conveyor belt
 Water showers
 Brushes
 Dryers
 Terminal Block and Button

6. Components description
Programmable Logic Controller :
 PLC is programmable controller device use to controller any
system from remote area .
Photo Electric sensor:
 A photoelectric sensor, or photo eye, is an equipment used to discover the distance, absence, or
presence of an object by using a light transmitter.
Relay Module:
 An electrical device, which is activated by a current or
signal to open or close circuit.

7. Programmable Logic controller
 Mitsubishi
I. Model: FX1S30MR
II. I/O : 30 I/O
III. Number of Inputs 16
IV. Number of outputs 14
V. Programming Language Used Ladder Logic
VI. 512 auxiliary relays, 64 timers, 32 counters, 256 data
registers

8. Components Description.
DC motor:
 A DC motor is a class of electrical machines
that converts direct current electrical power into mechanical
power.
I. Speed: 100 rpm
II. Voltage : 12v DC
III. Power : 3 watt
IV. Current: 300mA
Wiper motor:
Gear motors used with conveyor belts that use a very low rotational output
speed to create incredible amounts of torque.
I. Speed: 30 rpm
II. Voltage: 12v DC
III. Current: 7 A

9. Components Description:
Conveyer Belt:
 Conveyer is mechanism which will carry the car.
Water sprinkle :
 It will use for showering the water and shampooing over the car
Water Pump:
 It will Suck the water ,shampoo and it will spraying by water
sprinkle

10. Five Stages
1. Initial Stage
2. S1 (Working of Sensor one)
3. S2 (Working of Sensor Two)
4. S3 (Working of Sensor Three)
5. S4 (Working of Sensor Four)

11. Sensor ONE
 Detect the car
 Give signal to the PLC in form of 12 v
 Stop the wiper Motor
 Allow Pump ONE to sprinkle Shampoo and water
 Allow to sprinkle for time frame given Limited time
delay
 After the time delay the Wiper Motor start again and
convey the car to next stage

12. Sensor TWO
 When the Car reach the Sensor 2 Detect
 Stop the Wiper Motor
 Allow the Brushes to cleaning through the rotation
 With in time frame
 After the Given Delay time the Wiper motor start
again and conveyer move the care one step Ahead

13. Sensor THREE
 When the Car reach the Sensor 3 Detect
 Stop the Wiper motor
 Allow pump TWO to sprinkle clean water . For
washing
 After given time the Wiper motor start again and
forward the car to next stage

14. Sensor Four
 When the Car reach the Sensor 4 Detect it
 Stop the wiper motor
 Allow to ON dry fans
 After the time frame the fan stop
 Wiper motor start again and moving forward to
Ending Point
 Done and system stop their all process

15. CAR WASH FLOW PROCESS
Start
Registration &
payment with
supervisor
Declare what type of
service need
Bring customer’s car to
washing platform
Perform desire services
Customer can take
their car
Finish

16. WORKING
Sensor 1
detects the
car stop the
conveyor
and allow
Pump 1 open
to spray
Shampoo
Pump 1
open &
sprays
shampoo
on car on
limited
delay
After
delays
car move
sensor 2
detects it
Conveyor
will start
move
Brush
starts
work on
car
After
delays
car move
sensor 3
detects it
Pump 2
open &
sprays
clean
water
After
delays
sensor 4
detects
the car
Dryer
starts
work &
dry the
car
After
delays
car move
Sensor 4
detects
the car
And car
exit from
exit door

17. SYSTEM CONTEXT DIAGRAM
Water &
shampooing
Shower
Brushing
Clean water
Shower
Drying
fans
Exit
Platform/
Conveyer belt

18. BLOCK DIAGRAM
SENSOR 1
SENSOR 2
SENSOR 3
SENSOR 4
DRYING
SECTION
CLEAN
WATER
SECTION
BRUSHING
SECTION
SHAMPOOING
SECTION
PUMP
P2
PUMP
P1
PLATFORM
MOVING
MOTOR M0
CONTROL
PANEL
DELAY
MOTOR
M2
MOTOR
M1
Conveyor
MOTOR
CAR MOVING
PLATFORM

19. CIRCUIT DIAGRAM
PLC
O/P
I/P
PE sensor
2
PE sensor
1
Power
supply
PE sensor
3
PE sensor
4
Pump 2
Brushing
Pump 1
Moving
platform
Power
supply
Drying

20. ADVANTAGES
 Less Area required
 Less time requirement in operation
 Less man power requirement
 Pollution free
 Easy to operate
 Standards parts and components are easily available
 Can be use in domestic service stations
 Very less maintenance

21. LIMITATIONS
 Primary investment is high
 More amount of water is required
 System installation is complex

22. TARGET AUDIENCE
 Supermarkets & malls
 GAS stations
 Railway stations & Air ports
 Hotels
 Resorts
 Theaters & universities
 Public places & private companies

23. SWOT ANALYSIS
STRENTH
 Fast services
 Great quality service
 Modern technology &
machine
 Skilled worker
 Easy access
 Wash up to 50 cars per
hour
THREATS
 Competitors
 The biggest carwash
company from foreign
country is our
threat if they coming to
make business near by us.
OPPERTUNITIES
 Busy car owners
WEAKNESS
 Quite high cost for operation
 A little high price from
competitors according to
our quality service and our
high technology equipment.

24. FUTURE ENHANCEMENT
 Interior wash
 Under chases wash
 coin or token system
Also we can implement a counter which will be allowing the
number of cars washed to be counted

25. CONCLUSION
After Woking on this automatic car wash , we can came to
conclusion than such automation system are:
 Quite beneficial
 Saving time of operation
 Man power reduced
 Improving the economy of the system
 In the future such type of automated
systems will have more demanded.