煤矿绞车监控与保护系统设计.doc
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- 关 键 词:
- 煤矿 绞车 监控 保护 系统 设计
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1、摘要矿井提升绞车是重要的矿山设备之一,它肩负着井上、井下联系的重要任务在整个矿井中占有非常重要的地位。由此可见,解决提升绞车的行程,速度监控问题,是保护整个提升绞车系统的重中之重。但目前,国内矿山大多采用机械式装置来监测保护整个绞车系统,但是此类设备的精度不高,可靠性差,维护量大,这些都与煤矿的安全形势和采矿业的发展不相适应。因此,研制高精度的煤矿提升绞车监控保护系统是非常迫切的。本文从煤矿工业现场的实际情况出发,通过对煤矿提升系统和提升绞车的监控系统的功能的综合分析,提出了一套设计方案。把可编程序控制器,变频调速技术等应用到提升绞车的监控与保护系统中。通过电机和变频器的选定,再通过PLC进行
2、编程,实现对提升绞车的控制。本文采用西门子系列的PLC S7-200对提升绞车的监控系统进行编程,编写梯形图,再采用STEP 7-Mircro/WIN 32 编程软件实现对编完的PLC进行监测等过程。以实现整个提升绞车系统的安全运行。本次设计的煤矿提升绞车监控与保护系统基本满足了矿山生产的需要,达到预期效果,今后的任务是在此基础上对系统进行完善。关键词:煤矿提升绞车;监控系统;PLCIAbstractMine hoist is one of the important mine equipment, it bears the important task of Inoue and underg
3、round connection, and it plays an important role in the whole mine. This shows that, to solve the problem of hoist trip, speed monitoring,is the key to protect the entire hoist system. But at present, the domestic mines most of the mechanical device to monitor the winch system protection, but the pr
4、ecision of this kind of equipment is not high, poor reliability, maintenance. These are with coal mine safety situation and mining industry development does not adapt. Therefore, it is very urgent to develop a high precision coal mine hoist monitoring and protection system.From the actual situation
5、of coal mine industry field, this paper puts forward a set of design scheme through comprehensive analysis of the function of the coal mine lifting system and the monitoring system of the hoist. Application of PLC, frequency conversion and speed adjustment technology to the hoist monitoring and prot
6、ection system. Through the motor and frequency converter selected, through the PLC programming, to improve the winch control. The Siemens series S7-200 PLC programming to improve the monitoring system of the winch, ladder diagram programming, then the step 7-Mircro/WIN 32 programming software of PLC
7、 after a series of process monitoring. To realize the whole hoist system safe operation.This design of mine hoist monitoring and protection system basically meet the needs of mine production, to achieve the expected results, the task is to improve the system on the basis of this.Keywords: mine hoist
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