Need Motor of 5 to 12VDC to lift the handle Help

Discussion in 'General Electronics Chat' started by mpcotuong, Sep 3, 2010.

  1. mpcotuong

    Thread Starter Member

    Aug 26, 2010
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    Hi All,

    I am doing project need to lift the handle up for 20second and stop to release the handle. I am thinking the circuit with Motor to lift the handle. Do you know or have any information relate to this project, please let me know.

    Thanks, in advance.

    Kevin
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
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    "The handle" implies you have some specific handle in mind. We can't help until we know about that handle and about how some motor might be mounted. It might turn out that a solenoid would work better.
     
  3. mpcotuong

    Thread Starter Member

    Aug 26, 2010
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    The handle look like door entry handle. I need to lift it by Motor
     
  4. beenthere

    Retired Moderator

    Apr 20, 2004
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    That is not informative. Can you say what the mass is and how far it must be lifted? Is there a specific requirement to use a motor?
     
  5. mpcotuong

    Thread Starter Member

    Aug 26, 2010
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    That is the information for my project. I need lift it about 3 inches up.

    Can you help?

    Thanks,
    Kevin
     
  6. beenthere

    Retired Moderator

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  7. mpcotuong

    Thread Starter Member

    Aug 26, 2010
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    Yes, it 's similar to that Entry door handle.
     
  8. beenthere

    Retired Moderator

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  9. mpcotuong

    Thread Starter Member

    Aug 26, 2010
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    Thanks, for your help. But I need something to pull it right?
     
  10. marshallf3

    Well-Known Member

    Jul 26, 2010
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    You'll obviously need some sort of mechanical interface between the solenoid and the handle and of course some sort of circuit to provide power to the solenoid when you desire it to be activated.
     
  11. shortbus

    AAC Fanatic!

    Sep 30, 2009
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  12. Tomax

    New Member

    Sep 3, 2010
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    you can use strong electromagnet for lifting the handle . u can also use timer for the ckt to cut the supply to the electromagnet after 20 sec.
     
  13. mpcotuong

    Thread Starter Member

    Aug 26, 2010
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    Do you any circuit to work for motor and merchanical to connect to Motor?
     
  14. marshallf3

    Well-Known Member

    Jul 26, 2010
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    Google, scrap metal pieces, hardware and tools.
     
  15. mpcotuong

    Thread Starter Member

    Aug 26, 2010
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    Do you have more detail such as diagram about the mechanical ?
     
  16. marshallf3

    Well-Known Member

    Jul 26, 2010
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    Can't say that I ever had any need to design, construct, test, debug and then fully document any sort of device like that.

    You're obviously going to have to do some of your own thinking and esperimenting here - every door, latch, solenoid etc is going to be different.
     
  17. Bernard

    AAC Fanatic!

    Aug 7, 2008
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    Use a gear reduced motor to turn a cam which lifts the handle. A switch, SW-1, [should be SW-2 for schematic], closes at maximum lift. Motor only turns counter clockwise. A latching relay controles motor. Handle lift starts when SW-1 is closed momentarly, latching Ry, motor turns untill SW-2 closes- generating a neg. pulse setting 555 high, turning off PNP SW for 20 sec. After 20 sec. motor continues momentarly untill cam drops handle- opening SW-2 which generates a + pulse to NPN T which momentarly shorts Ry causing it to drop out, stopping operation.
     
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