Safety system structure of escalator

Abstract

The invention relates to the technical field of escalators, in particular to a safety system structure of an escalator. The safety system structure comprises an upper engine room control board and a lower engine room control board, wherein the upper engine room control board is arranged in an upper engine room, and the lower engine room control board is arranged in a lower engine room. A first chip electrically connected with the upper engine room control board is mounted on the upper engine room control board, a second chip electrically connected with the lower engine room control board is mounted on the lower engine room control board of the lower engine room, and the first chip is electrically connected with the second chip through a safety bus. The safety system structure is high in safety, less in wire consumption, low in cost and more stable.

Description

technical field [0001] The invention relates to the technical field of escalators, in particular to a safety system structure of an escalator. Background technique [0002] At present, most manufacturers in the industry basically solve the processing methods of electrical safety devices through safety contacts, safety circuits or PESSRAE technology, and the processing methods using PESSRAE almost adopt the following two implementation methods: [0003] Method 1: Send all the signals of the escalator that need to be processed by PESSRAE to the main control board in the upper machine room that meets the requirements of PESSRAE for processing, and output the safety relay to control the on-off of the main contactor. [0004] Mode 2: The signals of the upper and lower parts of the escalator that need to be processed by PESSRAE are sent to the main control boards in the upper and lower machine rooms that meet the requirements of PESSRAE for processing, and the output safety relays...

AI Technical Summary

Problems solved by technology

[0006] Method 1: The safety signals that need to be processed on the escalator are relatively scattered, distributed in the upper and lower machine rooms and the truss, and all these safety signals are sent to the upper machine room through cables, which will lead to a large number of cables in the entire truss, which is relatively messy, and the cables high cost

[0007] Method 2: The safety signal of the lower part of the truss is sent to the lower computer room through cables, and the upper safety signal is sent to the upper computer room. The connection cables between the upper and lower computer rooms are much simpler than method 1, but there are still some signals from the lower computer room that need to be transmitted to the upper computer room through cables. Machine room, for example: the lower maintenance signal, the lower floor board anti-opening signal, etc., and the main control boards of the upper and lower machine rooms need to output safety relay signals, and the cost will increase

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