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Thread: Setting up a swtich to turn off inverter when computer turns off

  1. #1
    Maximum Bitrate hd54321's Avatar
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    Time-delay swtich to turn off inverter?

    Hey guys......just thought about this...

    I am running an ATX mo-board through an inverter. The inverter is hooked up directly to my battery.

    When I am getting ready to get out of the car, instead of waiting for the computer to complete hibernation, than manually switch off the inverter (since I don't want the inverter running when I leave the car) I wanted to know if I could hibernate the computer and have the inverter switch off automatically.

    I was thinking of some sort of time-delay switch for the inverter. Is there some sort of small time-delay switch i could replace the inverter switch with? So, when I hibernate my computer, and than I switch the inverter off, after 10 seconds or so, the inverter would shut off?

    I'm not an engineer nor am I an electrician, but I can learn these things quickly. If you're providing an opinion, please explain it - thanks!

    -HD

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    Bowel movement jjh221's Avatar
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    will the computer still run?
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    Constant Bitrate Troy McClure's Avatar
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    You want an ITPS

    I was using an ITPS with my inverter. When turning off the ignition switch, the ITPS would tell my computer to shutdown/hibernate. After doing so I would have it cut the power to my relay that was inline of my inverter.

    Worked pretty good. I've since moved onto the Opus 150 mostly to save space but an ITPS is what you are looking for.

    Troy

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    Maximum Bitrate hd54321's Avatar
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    Quote Originally Posted by Troy McClure
    You want an ITPS

    I was using an ITPS with my inverter. When turning off the ignition switch, the ITPS would tell my computer to shutdown/hibernate. After doing so I would have it cut the power to my relay that was inline of my inverter.

    Worked pretty good. I've since moved onto the Opus 150 mostly to save space but an ITPS is what you are looking for.

    Troy
    Thanks for the quick response! One of the problems with an ITPS is that I want to run the computer sometimes when the car is off or after I shut the car off. From the way you're explaining it, an ITPS wouldn't allow me to do this. Please correct me if I'm wrong.

    -HD

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    Maximum Bitrate falconey's Avatar
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    Quote Originally Posted by hd54321
    Thanks for the quick response! One of the problems with an ITPS is that I want to run the computer sometimes when the car is off or after I shut the car off. From the way you're explaining it, an ITPS wouldn't allow me to do this. Please correct me if I'm wrong.

    -HD
    Look at this post....
    Inverter not booting pc after second try

    Dunno if that's what you're looking for, but I can help you with this if it is.
    A brief explanation of how it works is:
    turn key on, triggers relay, starts inverter, boots pc, psu relay trigger starts
    turn key off, head unit relay trigger stops, psu relay still goes(inverter, pc still on)
    after 2 minutes XP Fake UPS starts hibernation, pc goes into hibernation, pc shuts down, psu relay trigger stops, relay switches off, inverter switches off.

    Everything's auto.

  6. #6
    Maximum Bitrate falconey's Avatar
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    Also you could set that 2 minutes to whatever amount of time you'd like so if you ever wanted to use the pc with the car off you could.

  7. #7
    Maximum Bitrate hd54321's Avatar
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    Quote Originally Posted by falconey
    Look at this post....
    Inverter not booting pc after second try

    Dunno if that's what you're looking for, but I can help you with this if it is.
    A brief explanation of how it works is:
    turn key on, triggers relay, starts inverter, boots pc, psu relay trigger starts
    turn key off, head unit relay trigger stops, psu relay still goes(inverter, pc still on)
    after 2 minutes XP Fake UPS starts hibernation, pc goes into hibernation, pc shuts down, psu relay trigger stops, relay switches off, inverter switches off.

    Everything's auto.
    Woh - it's an inventive solution! I will look into it, but was hoping there would be a solution a bit simpler....

    Thanks!

    -HD

  8. #8
    Maximum Bitrate falconey's Avatar
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    It really is pretty simple and I'd be glad to help you(I help in laymans terms too :0) ). If you want the help just pm me.

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    FLAC Skraggy_uk's Avatar
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    Quote Originally Posted by hd54321
    Woh - it's an inventive solution! I will look into it, but was hoping there would be a solution a bit simpler....

    Thanks!

    -HD
    In my last build I kept the headunit for audio processing/amp so I used the Antenna remote line to switch a relay in much the same way.

    I would shut down the PC, then switch off the headunit, and bingo, inverter isolated.

    I'm going with an Opus and epia and direct to a car amp this time, so won't need to do that.
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  10. #10
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    just curious as to why you dont want to leave your inverter on while the car is off?

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