光谱学与光谱分析 |
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Research on Infrared Safety Protection System for Machine Tool |
ZHANG Shuan-ji1,ZHANG Zhi-ling2,YAN Hui-ying1,WANG Song-de1 |
1. Physics and Electronic Science Department, Luoyang Normal College, Luoyang 471022, China 2. Electronic Engineering Department, Wuhan Vocational Technology College, Wuhan 430074, China |
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Abstract In order to ensure personal safety and prevent injury accident in machine tool operation, an infrared machine tool safety system was designed with infrared transmitting-receiving module, memory self-locked relay and voice recording-playing module. When the operator does not enter the danger area, the system has no response. Once the operator’s whole or part of body enters the danger area and shades the infrared beam, the system will alarm and output an control signal to the machine tool executive element, and at the same time, the system makes the machine tool emergency stop to prevent equipment damaged and person injured. The system has a module framework, and has many advantages including safety, reliability, common use, circuit simplicity, maintenance convenience, low power consumption, low costs, working stability, easy debugging, vibration resistance and interference resistance. It is suitable for being installed and used in different machine tools such as punch machine, pour plastic machine, digital control machine, armor plate cutting machine, pipe bending machine, oil pressure machine etc.
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Received: 2006-11-18
Accepted: 2007-03-05
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Corresponding Authors:
ZHANG Shuan-ji
E-mail: hmzsj@sina.com
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