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Thread: auto power off Inverter

  1. #1
    Variable Bitrate heezer7's Avatar
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    auto power off Inverter

    Am am going to most likely end up using an inverter for my car setup even after seeing all the reasons not too on here. It might not be perminant but i don not have the money to shell out right now. Also running a 1700+ XP b/c that is what i have extra lying around. Well, anyways, is there a way to make the inverter auto power on and off with the car? I don't car about hitting a button to turn the computer on and off. I just do not want to be at work an hour drive from my house to come out to a dead battery b/c i didn't flip the inverter off. Is there any designs to build such a thing floating around. Thanks for any help and this is an awsome forums. Good goole result!

    Jon

  2. #2
    FLAC john1701's Avatar
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    Dont know about auto shutdown, but i am interested. The way I have mine wired is a 350w inverter. I cut the switch from it and wired the pos wire from the switch, not the pos wire to the battery, to the ignition key. This elimiates flipping a switch to turn on and off the inverter. And eliminates dead battery since switch is wired to the ignition key.
    The MC of Florida Car PC Meets
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  3. #3
    Low Bitrate CoCa's Avatar
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    Its as simple as wiring a relay into your supply line to the inverter and having the realy switched by something on the ACC line like the cig lighter.

  4. #4
    FLAC john1701's Avatar
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    I think he is looking for a delay shutdown.
    The MC of Florida Car PC Meets
    CAR:2001 Ford Crown Victoria
    PC: Acer EEE 900HA with Win7 with CF 2.0.
    Memory:1G
    Drives:160gig
    WI-FI:Cingular
    GPS:IG2k9
    Screen:Xenarc 700TSV
    The Florida Meets Thread

  5. #5
    Low Bitrate
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    put a relay on your 12v line, switched by BOTH the ACC line AND your 12v rail (diodes on both lines). ie when ACC and/or PSU are on, you have power, and it will only turn off whne they are BOTH off.

    again, not the best setup, but it works.

  6. #6
    Variable Bitrate heezer7's Avatar
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    Wow thanks for the replies. The delay is optional. I just want to be able to be absolutly sure it is powered off when i leave the car and not have to worry about it ever. Don't want to be looking for help when stranded. cybermob2, I like your idea. I am not thre greatest at car or any above simple electronics but what you are saying makes sence. I will look in to this. Also, I have seen things about grounding the inverter in different ways. What is the best way to do it to eliminate noise? Man i wish I had more money to do this with a lower powered PC and opus PSU. This will be a nice test to see how much i like it and will invest in the future. Thanks for all the help!

  7. #7
    Maximum Bitrate owenjh's Avatar
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    Er just get a shutdown controller, that will have a delayed shutdown
    CarComputer Status: New Car & Broken (Motherboard Fried)
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