Electric sewing machine saving circuit

Posted on Dec 11, 2010

Electric sewing machine saving circuit as shown, line the main elements by the Hall switch IC IC and relay K composition. Closing switch os, power-on, after R, and Ci RC Buck,

Electric sewing machine saving circuit
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UR rectifier bridge silicon, G filter, vs the regulator, IC to provide the 12V DC power supply e when the operator does not move the sewing machine foot pedal magnet in the operating position corresponding to the IC. K pull power, open the normally closed contact, seam sewing machine is not powered. Red light-emitting diode (LED) lights. On the other hand, stepped on a sewing machine, FI1 attached to the fixed magnetic clutch lever on the machine l of iron down. IC lose magnetic field, which was feet high potential, K loss of power release, the main circuit normally closed contacts reset, M running, LED is off.

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