Society of Robots - Robot Forum
Electronics => Electronics => Topic started by: MaltiK on March 01, 2009, 02:45:30 PM
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I am building a radio controlled open/close electrical opener/closer (lock when close) and I have been trying to think of the mechanical scheme for this. Should I use a solenoid or an electromagnet? When it is high the magnet will attract, and when low the magnet will repel.
And a solenoid would just have one way (open)
So is there a product similar to the magnet I mentioned, and cheap?
Edit: this is a light door, a minifridge, but requires a strong magnet or solenoid to lock and stay locked similar to a deadbolt, aside from the fact that deadbolts dont open the door, just unlock them.
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well you could consider suction if the fridge has a seal on it. or if you only want it to unlock or lock and not fly open you could use solenoids. electromagnets are a maybe but they might cause interference with other appliances and or the contents of the fridge.
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whats the budget? size restraints?
id use a linear actuator and pu it like the pic
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That picture is real confusing, could you explain it?
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Black dot is the hinge of the door - if the linear actuator(on the left side) gets shorter, the door opens.