Electronic and electrical project making ideas: views : 210

Industrial automation of Exhaust Fan Based on Smoke and Gas Intensity

As these days, everything going automation, then why don’t we design an automation for controlling exhaust fan in accordance to smoke and flammable LPG gas present in environment? Here, I am going to design such system to control exhaust fan in industry. Here I will used microcontroller to take decision when to turn OFF or ON exhaust fan. The decision will be take according to the output of LPG gas sensor and the smoke sensor. Smoke sensor that II will use here is an optical sensor. Such type of sensor detect smoke by sensing the intensity of light that passing across a passes of smoke. And we will use MQ6 sensor module to sense LPG gas present in environment. To run an ac exhaust fan, we have to switch 220V ac supply using small DC voltage. For such scenario, I we use 12V DC electromagnetic relay.
Industrial automation of Exhaust Fan Based on Smoke and Gas Intensity
final-project-image


Block Diagram

Block Diagram
Component-explained-in-block


Components required

  1. Microcontroller atmega8
  2. LPG sensor MQ6
  3. Smoke sensor (IR optical sensor)
  4. Transformer 12-0-12, 500ma
  5. LM7805
  6. Diodes
  7. Resistors
  8. Capacitors
  9. LEDs
  10. 16x2 LCD display
  11. PCB
  12. AC fan
  13. Electromagnetic relay
  14. transistors
  15. Soldering iron, soldering wire, soldering paste
  16. Connecting wires


Circuit Diagram

Circuit Diagram
Proposed-circuit-diagram


Applications

  1. Industrial usage
  2. This can be used in offices
  3. Cinema halls
  4. Hospitals and schools
  5. This can be use in public transportation like trains and buses
  6. In kitchen


Advantages

  1. No used of manual switching off/on
  2. Sensor based automatic controlling
  3. Sensors are very cheap and easy to used and replace
  4. System cost is low
  5. Low power consumptions
  6. Very accurate controlling because of microcontroller
  7. Due to its low cost and liability, it can be used any place even in domestic area.


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Posted By :
Mahesh Nigam
(Scientist)
2020-08-25 02:59
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Peoples

Comments...

Mahesh Nigam(Scientist): great work

Reply 04:52 2020-10-30

Mahesh Nigam(Scientist): whats next?

Reply 04:52 2020-10-30

Mahesh Nigam(Scientist): Automation?

Reply 05:29 2020-10-30

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