Design of plunger stroke dynamic monitoring system of underground hydraulic support
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摘要: 针对现有液压支架活柱行程测量技术精度低、成本高且起不到预防顶板事故的作用等问题,提出了基于ZigBee技术的井下液压支架活柱行程动态监测系统设计方案。该系统通过位移传感器定时采集活柱行程数据,并通过ZigBee网络将数据发送给协调器节点;协调器节点通过CAN总线及以太网将数据传送到井上服务器,从而实现对井下液压支架活柱行程的实时监测功能。测试结果表明,该系统测量精度为1 mm,误差为2 mm,达到了预期效果。Abstract: In view of problem that existing plunger stroke measurement technology of hydraulic support has low precision, high cost, and cannot prevent roof accident, the paper put forward a design scheme of plunger stroke dynamic monitoring system of underground hydraulic support based on ZigBee technology. The system uses displacement sensor to collect plunger stroke data, and sends the data to coordinator node through ZigBee network. Then the coordinator node sends the data to server on the ground through CAN bus and the Ethernet, so as to realize real-time monitoring of plunger stroke of underground hydraulic support. The test results show that measurement accuracy of the system is 1 mm, the error is 2 mm, and achieves the desired effect.
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Key words:
- hydraulic support /
- plunger stroke /
- dynamic monitoring /
- ZigBee technology
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