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Safety arrangement of a transport system

A conveying system and safety technology, which is applied in the direction of control system, transportation and packaging, general control system, etc., can solve the problems such as the deterioration of the service level of the conveying system, and achieve the effect of improving the service level and ensuring safety

Active Publication Date: 2014-05-21
KONE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Traditionally, when a failure of a motion sensor is detected, the operation of the conveying system is interrupted, in which case the service level of the conveying system deteriorates

Method used

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  • Safety arrangement of a transport system
  • Safety arrangement of a transport system

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Embodiment Construction

[0033] figure 1 An elevator system 1 according to the invention is shown. The elevator car 2 and the counterweight move in the elevator hoistway via ropes connected to the traction sheave of the synchronous motor 3 . The synchronous motor 3 is powered from a power source 12 via a frequency converter 11 . Power is provided by solid state switches controlling the frequency converter 11 . A device for monitoring the safety of the elevator system is installed in the elevator system. The device comprises the determination of the electrical parameters of the synchronous motor 3 and the determination 7 of the movement information of the delivery system from the electrical parameters of the synchronous motor. The aforementioned determination 7 of motion information is integrated into the frequency converter 2 . The electrical parameters of the synchronous motor, such as current and supply voltage, are measured by means of a frequency converter and using the aforementioned informat...

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Abstract

The invention relates to a method and an appliance for monitoring the safety of a transport system. The transport system includes a transport appliance and also a synchronous motor for moving the transport appliance. In the method, the motion information of the transport appliance is determined with two channels, and if the determined motion informations deviate from each other by more than the set limit value, an emergency stop is executed.

Description

technical field [0001] The invention relates to a method for monitoring the safety of a conveying system, a device for monitoring the safety of a conveying system and a safety device for a conveying system. Background technique [0002] Monitoring the motion of conveying equipment generally requires dual channel measurement of the motion. Traditionally, at least two separate motion sensors are installed into the conveyor system for this purpose. [0003] Motion sensors are generally mechanical parts that are subject to constant wear, in which case their operational failure affects the overall reliability of the conveying system. [0004] Traditionally, when a failure of a motion sensor is detected, the operation of the conveying system is interrupted, in which case the service level of the conveying system deteriorates. [0005] Published EP1602610A1 proposes to monitor the motion of the elevator system based on the measurements of the motion sensors of the elevator motor ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B1/00B66B5/02B66B5/06
CPCB66B5/02B66B5/06H02P6/18H02P27/047H02P29/0241
Inventor 安蒂·卡里奥尼米劳蒂·斯托尔特
Owner KONE CORP
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