Sparking Circuit

Discussion in 'Electronic Design' started by Ashwin Shashi, Nov 18, 2003.

  1. I am trying to build a ciruit to create sparks 10 times every minutes.
    I have a ultravolt high voltage power supply...what other components
    do i use to create this spark??
    can i use a 555 timer to get those 10 sparks a minute ...will the high
    voltage affect the 555 timer???

    also what kinda capacitor do i use?? are there any pulsed capacitors
    available in the market.

    thanks for the help..
     
    Ashwin Shashi, Nov 18, 2003
    #1
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  2. I am trying to build a ciruit to create sparks 10 times every minutes.
    I have a ultravolt high voltage power supply...what other components
    do i use to create this spark??
    can i use a 555 timer to get those 10 sparks a minute ...will the high
    voltage affect the 555 timer???

    also what kinda capacitor do i use?? are there any pulsed capacitors
    available in the market.

    thanks for the help..
     
    Ashwin Shashi, Nov 18, 2003
    #2
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  3. Ashwin Shashi wrote:
    >
    > I am trying to build a ciruit to create sparks 10 times every minutes.
    > I have a ultravolt high voltage power supply...what other components
    > do i use to create this spark??
    > can i use a 555 timer to get those 10 sparks a minute ...will the high
    > voltage affect the 555 timer???
    >
    > also what kinda capacitor do i use?? are there any pulsed capacitors
    > available in the market.
    >
    > thanks for the help..


    The ordinary way to do this is to connect up an automotive ignition
    coil to a circuit that simulates the ignition system of car. That can
    either take the form of a capacitive discharge (cap pumped up to a
    hundred or two volts that gets dumped into the coil primary) or a
    current interrupter (primary driven with low voltage up to some fairly
    large current, an then that current is switched off by a switch that
    can handle the couple hundred volts the primary will produce as the
    inductive current quenches).

    Either if those systems can be driven by a 555 timer. And, yes, the
    timer will react to the magnetic and electric fields of the spark
    process (and the power supply bounce the sudden load changes will
    cause), unless you design adequate protection for it.

    --
    John Popelish
     
    John Popelish, Nov 18, 2003
    #3
  4. Ashwin Shashi

    YD Guest

    On 17 Nov 2003 18:22:17 -0800, (Ashwin Shashi)
    wrote:

    >I am trying to build a ciruit to create sparks 10 times every minutes.
    >I have a ultravolt high voltage power supply...what other components
    >do i use to create this spark??
    >can i use a 555 timer to get those 10 sparks a minute ...will the high
    >voltage affect the 555 timer???
    >
    >also what kinda capacitor do i use?? are there any pulsed capacitors
    >available in the market.
    >
    >thanks for the help..


    Uh, not much to go on here. What kind of voltage, how long sparks? If
    it's not too excessive you might get away with a simple RC circuit. A
    high value resistor charging up a capacitor connected across the spark
    gap. When it reaches breakdown you get a spark, sort of the classic
    neon blinker on steroids. If your HV source is current limited it may
    be possible to do without the resistor.

    - YD.

    --
    Remove HAT if replying by mail.
     
    YD, Nov 18, 2003
    #4
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