Electromagnetic elevator anti-falling buffer device
An electromagnetic elevator anti-falling buffer device comprises an elevator car, a first electromagnet is installed at the bottom of the elevator car, the first electromagnet is connected with poweroutput of a first distribution box through an electric wire, the first distribution box is installed...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | An electromagnetic elevator anti-falling buffer device comprises an elevator car, a first electromagnet is installed at the bottom of the elevator car, the first electromagnet is connected with poweroutput of a first distribution box through an electric wire, the first distribution box is installed at the top of the elevator car, and an acceleration sensor and an instantaneous speed sensor are installed at the top of the elevator car; a second electromagnet opposite to the first electromagnet is fixedly installed on the ground of the elevator shaft, the second electromagnet is connected withthe power output of the second distribution box, and a sensor signal receiving module is fixedly installed on the ground of the elevator shaft; signal output of the acceleration sensor and the instantaneous speed sensor is connected with signal input of the sensor signal receiving module, and output of the sensor signal receiving module is connected with control input of the first distribution boxand the second distributio |
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