As the owner of a stoker that uses wall power for the blower and feed mechanism I am also kicking this idea around. Although I do have a generator I wanted a solution that would give me very fast results in the event that its either (A) very late at night or (B) we are away from home when this happens.
This is a dated post however this problem will surely come up again sooner or later. Here is my solution and it might also be a good solution for you.
Purchase a DPDT (double pole double throw) relay with a 120 volt house voltage coil. Purchase a sealed battery safe for indoor use. Purchase a decent inverter.Purchase a trickle charger. I already have a small trickle type charger I yanked from a bad portable car jumpstarter. Anyone else doing this has a few options to avoid overcharging their storage battery. Option 1. Buy an inexpensive digital timer. I have one with a small LCD readout that plugs right into the wall and will carry the current from the small trickle charger,I think I paid 15 dollars for it.This is the kind of timer that plugs into the wall and has usually one female plug to add what your timing to.Set it up to charge whatever is recommended for your battery.
Option 2 is the X10 control system. Its cheap and uses your houses wiring for control. Because I had previously installed the X10 system to operate my pool pump,lights and alarms,I'll be using this. You can learn more about it at http://www.X10.com
. With this system I have software on my laptop to set up timing schedules for any X10 module. So I'll set it up to only charge the battery periodically.
This is how it will basically operate- When the power is on the relay is energized and contacts are connected to the NO ( normally open position or closed when powered)and is feeding power to the stoker as usual. When there is a power interruption the relay is not energized and so the contacts to battery power that are connected to the NC terminals (were open but now closed because of power loss) . The power will now be switched to the inverter/battery system.
When power is restored the relay pulls back in and normal operation has returned without my ever needing to get out of bed. I have been told a reading stoker went for 8 hours on one of those car jumpstarters with a built in inverter. With a good battery I could take my good old time starting and hooking up the generator if the power is out for very long.
OK I should also state that if your not familiar with voltage/current and hooking up relays etc. better to get someone else to help out with this one that DOES know. I certainly don't want anyone hurt.Safety has to be first here.