Radio communication method dedicated to elevator

Abstract

The communication system thereof comprises an elevator car extension telephone, a machine room extension telephone, a car top extension telephone and a pit extension telephone. Each extension telephone is interconnected with dependent office isolator. A call button is set on the elevator car extension telephone; the call button of the elevator car extension telephone is connected to a radio gateway through the dependent office isolator and is seamlessly connected to the radio network through the radio gateway in order t build voice call connection. The invention is an improved solution on the Patent No 2005 100119195.5.

Description

technical field [0001] The invention belongs to a communication system, in particular to a special wireless communication method for elevators. Background technique [0002] In 2004, China's State Bureau of Technical Supervision issued a new version of "Safety Code for Elevator Manufacturing and Installation" (GB7588-2003), requiring that all elevators manufactured after January 1, 2005 must be equipped with a five-party communication system, that is, in the duty room, car The five-party communication between the car, the machine room, the car roof and the pit is realized, but almost all existing elevator manufacturers use a simple intercom system. When the elevator is trapped due to reasons such as failure or power failure, and the duty room personnel are not on duty, the trapped personnel in the car often have no way to call and are trapped for a long time. Because the duty room was unattended, reports of staff working late at night or residents who...

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Problems solved by technology

[0003] The elevator special communication device (patent application number: 200510019195.5) and the elevator special communication method (patent application number: 200610124664.4) applied by the applicant before can solve the problem of unattended elevators in the duty room, although the trouble of elevator user wiring can be eliminated. Passengers ask for help, but because the communication device and method use the telecommunications cable network to contact the outside world, this requires the elevator user to connect a telephone line outside each elevator machine room and open a telephone number. This method is for those large residential buildings. It is obviously not very realistic for the community, which brings certain difficulties to the promotion of GB7588-2003

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