摘要
为进一步优化高瓦斯煤矿综采工作面采煤机截割速度控制系统、保证采煤机安全运行、提高采煤机生产效率,在原采煤机截割电动机变频控制系统的基础上,利用传感器技术,对综合考虑综采工作面顶板压力和瓦斯浓度的采煤机截割电动机速度动态控制系统进行了研究。基于采煤机速度动态控制系统的设计结构,对该结构的压力、瓦斯数据的采集、软件滤波方法进行了详细分析。根据采集到的传感器数据,设计了采煤机截割电动机速度动态控制方案。出厂试验以及实际应用结果表明,综合考虑综采工作面顶板压力、瓦斯浓度的采煤机速度动态控制系统,可进一步优化采煤机截割部电动机的速度控制,保证采煤机在高瓦斯环境的安全、高效生产。
In order to further optimize the shearer cutting speed control system of the fully mechanized mining face in high- gas mines,the dynamic control system of shearer cutting motor speed is studied to ensure the safe operation of the shearer,and to improve the production efficiency of the shearer.Based on the frequency conversion control system of the original shearer cutting motor speed,the sensor technology is used.The roof pressure and gas concentration of fully mechanized mining face are comprehensively considered.The design structure of the shearer speed dynamic control system is analyzed in detail based on the structure pressure,gas data collection,and software filtering methods.The shearer speed motor dynamic control scheme is designed according to the collected sensor data.The factory test and practical application results show that the comprehensive consideration of the shearer speed dynamic control system considering the roof pressure and gas concentration of the fully mechanized mining face can further optimize the speed control of the motor of the shearer cutting section,and ensure the safety and efficiency of the shearer in high- gas environments.
作者
布朋生
BU Pengsheng(Taiyuan Research Institute Co.,Ltd.,China Coal Technlolgy&Engineering Group,Taiyuan 030006,China)
出处
《自动化仪表》
CAS
2020年第7期69-71,78,共4页
Process Automation Instrumentation
基金
山西省自然科学基金资助项目(201801D121189)。
