An elevator redundant electrical safety circuit and a braking and stopping control method
An electrical safety and elevator technology, which is applied in the field of elevator redundant electrical safety circuits and elevator braking and stopping, to avoid safety accidents and economic losses, ensure passenger safety, and reduce the elevator trapped rate.
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[0028] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings; it should be understood that the preferred embodiments are only for illustrating the present invention, rather than limiting the protection scope of the present invention.
[0029] In order to ensure that the elevator can run safely, many safety components are installed on the elevator. The so-called electrical safety circuit is that the corresponding safety components of the elevator are equipped with safety switches. Only when all the safety switches are connected, the safety relay is closed, and the elevator has the conditions for operation. In the safety circuit of the traditional elevator, there are only the first set of switches and the second set of switches.
[0030] The reliability of the elevator electrical safety circuit switch is affected by factors such as the quality of the switch itself, operating environment, maintenance adj...
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