Smart helmet. which can alert hazards situation

1. HEADSMART
Industrial Controls
Embedded Systems Design – EC 6020

2. Our Team
S. Yuzishan
2014/E/048
L. Jeyarukshini
2014/E/050
D. Tharuki
2014/E/051

3. Agenda
01
02
03
04
Motivation and Introduction
Hardware and Software
Implementation
Overview and Components
Product Demostration

4. Industrial Controls
Integrated hardware and
software designed to monitor
and control the operation of
industrial environments.
Industrial control systems
• Monitor
• Automatically manage
• Enable human control
of industrial processes.

5. Coal Mining
Industry

6. • Methane and coal dust explosions
• Accidents related to blasts
• Fire and critical temperature
• Floods
• Toxic contaminants
• Chemical leakages
• Electrocution
• High Intensity Noise
• Obstacles
Hazards in Coal Mining Industry

7. HeadSmart
An intelligent coal miners helmet which is sensitive to the hazards in coal mining
industry.

8. Research
Gap
Smart Working Helmet
Bachelor's thesis by Antonis Damigos and
Marianna Miliori, (supervised by Michail
Papoutsidakis) Automation Engineering
Department of Piraeus University of Applied
Sciences.
• Only evaluates smoke and temperature
conditions.
• Does not transmit critical condition details.

9. Design Overview
Microcontroller
Air quality
sensor
Temperature
sensor
Ultrasonic
sensor
Blue LED
Wireless
transceiver
Red LED
Piezo buzzer

10. Product Features

11. Model: FC-22-A
Operating voltage: DC 5V
Analog Output (AO): 0~5V output
•Long service life and reliable stability,
fast response characteristics.
• High sensitivity for carbon monoxide,
coal gas, natural gas, smoke and other
harmful monitoring gas detection.
MQ-2 Gas Sensor

12. Linear + 10-mV/°C Scale Factor
0.5°C Ensured Accuracy (at 25°C)
Rated for Full −55°C to 150°C Range
• The LM35 device does not require
any external calibration or trimming
to provide typical accuracies.
•Calibrated Directly in Celsius
(Centigrade)
LM-35 Temperature Sensor

13. Operating Voltage: 5V DC
Operating Current: 15mA
Measure Angle: 15°
Ranging Distance: 2cm - 4m
• This modules includes ultrasonic
transmitters, receiver and control circuit.
• Consist of 4 pins, namely VCC, Trig,
Echo, and GND.
Ultrasonic module HC-SR 04

14. Worldwide 2.4GHz ISM band operation
126 RF channels
Common RX and TX pins
1 and 2Mbps air data rate
Programmable output power: 0,-6,-12 or -18dBm
Integrated channel filters
• Current consumption is very low.
(9-12.3 mA)
• Built-in Power Down and Standby modes
makes power saving easily realizable.
NRF24L01 Wireless transceiver

15. Microcontroller: ATMega328P
Operating voltage: DC 5V
Digital I/O pins: 14
PWM Digital I/O Pins: 6
Analog Input Pins: 6
DC Current per I/O Pin: 20 mA
•The ATmega328 on the Arduino Uno
comes preprogrammed to allow new code
upoading without the use of an external
hardware programmer.
Arduino UNO

16. Piezo buzzer
• Piezo buzzers are used for making beeps,
tones and alerts.
• Frequency range from 2KHz to 10KHz
LEDs
• Light Emiting diodes are used for giving an
optical indication of the output.
Piezo Buzzer and LEDs

17. Principle Layout
If Temperature > Hazadous Level
Turn the Red LED ON
Analyze the Temperature, Obstacle
distance and Gas condition
01
02
03
04
05
If Gas concentration > Non harmful gas level
Turn the Piezo Buzzer ON
If Obstacle Distance < Safe Distance
Turn the Blue LED ON
Transmit Gas Condition and
Temperature data to the
base station

18. Hardware Implementation

19. Software Implementation

22. SECTION BREAK
Insert the title of your subtitle Here
PRODUCT
DEMONSTRATION

23. Product Expenditure
Cost
(SL rupees)
611.00
468.00
228.00
270.00
950.00
970.00
3497.00
Ultrasonic Module HC-SR04 Distance Transducer Sensor
LM - 35 Temperature Sensor
MQ – 2 Gas Detection sensor
Piezo electronic tone buzzer
Arduino Uno
NRF24L01 Wireless Transceiver communication module (Combination)
Total Expected Cost

24. Thank you
No more Helmets... It’s time for HeadSmart