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Magnetic Radiation

lescolliershustoke@virginmedia.com

Hi

     a question :>

 

I have a solenoid and it has a certain range to it, i.e. the magnetic field does not go on fro ever for practical purposes.

 

I can adjust the design to gain more range, I can wind more turns on the armature but this won't extend the range if the core material saturates out. I can up the voltage and hence the current, but this creates more heat that I have to dissipate, and I want to power from a battery at the end of the day. So I am trying to get the longest range I can from 10 to 14 volts.

 

 

Does anyone have an answer on which parameter to try moving first assuming the range I have is not good enough.

 

regards

 

 

Les C

Parents

  • One idea is to use a lever to increase travel.

    Another idea is to use a short high current pulse to get maximum range. Once the actuator has pulled in, the holding current can be reduced.

    Maybe you could even mount a second coil behind the first coil, once the actuator is pulled in enough with the first coil, activate the second coil and deactivate the first coil. The coils can overlap if needed.

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  • One idea is to use a lever to increase travel.

    Another idea is to use a short high current pulse to get maximum range. Once the actuator has pulled in, the holding current can be reduced.

    Maybe you could even mount a second coil behind the first coil, once the actuator is pulled in enough with the first coil, activate the second coil and deactivate the first coil. The coils can overlap if needed.

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