In my kitchen I enjoy to cook food, I want to take home automatic exhaust enthusiast when kitchen riddle next to smoke? Regarding to above question, while cooking food I enjoy to on/off exhaust...
Regarding to above question, while cooking food I enjoy to on/off exhaust fan manually but I want to own fully automatic circuit to controller the exhaust fan. When my kitchen catch smoke (from burnt grease, burnt chilly etc.) the exhaust aficionado automatic on for five (5) minutes then bad after 5 minutes. Could any body provide me the circuit diagram with parts register. I will be very grateful next to you.
Thank you very much for your cooperation contained by advance.
Answers: Although it sounds resembling a good conception it does have one drawback that you should consider. If the smoke is cause by a real fire you would NOT want the exhaust supporter to come on automatically.
I don't know of any device that is made that will do what you want. I suspect you could modify a smoke detector so that it would produce a relay rather than the alarm. This would require determining the voltage and current available from the alarm buzzer circuit. You would requirement to find a relay that could work using that available power. It would probably require some desoldering and soldering to connect the smoke alarm to the relay. You may be able to find a time bottleneck relay that will work off the available power from the alarm circuit. If not you may stipulation a separate time delay relay to provide the 5 minute on/off time.
Note most smoke alarms hold a small amount of radio active bits and pieces. Please use caution if you prefer to cut one open.
There are smoke detectors typically used for industrial installations that enjoy a built in relay for remote signaling. This may be an easier route since you won't entail to do any modifications to the smoke detector itself. You would still need a timer. (See the ending link below.)
Mouser Electronics (link below) will enjoy relays and timers.
why wait till the smoke comes? In two minutes of the smoke occuring your kitchen and subsequent room would be full of smoke and the smell would spread, leave alone five minutes. RPA is right just about the problem during a FIRE. Better would be to keep the disciple on while cooking. maybe u could enjoy a switch installed near the door of the kitchenso u could put the follower off as u be off. if u like this model, send me the money you save!!