Passive end stalling prevention system
The utility model discloses a passive end stalling prevention system. The system comprises a base body synchronously rotating with a driven end and a driven end stalling prevention circuit, the base body is provided with a notch. The angle of the notch ranges from 150 degrees to 170 degrees; the pro...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a passive end stalling prevention system. The system comprises a base body synchronously rotating with a driven end and a driven end stalling prevention circuit, the base body is provided with a notch. The angle of the notch ranges from 150 degrees to 170 degrees; the proximity switch SQ1 and the proximity switch SQ2 are distributed and installed on the two sides of thebase body in a 180-degree mode. The passive end stalling prevention circuit comprises a motor main circuit and a control circuit, the motor main circuit comprises a motor M, a thermal relay FR, a contactor KM main contact normally open point and a breaker QF, and the thermal relay FR, the contactor KM main contact normally open point and the breaker QF are connected with the motor M. The controlcircuit comprises a starting and stopping circuit and a stalling protection circuit. According to the utility model, the probability of major faults caused by stalling of the passive end of the equipment can be greatly reduced |
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