局部通风机性能自动测试系统的研究

Study of an automatic test system for local fans

为提高煤矿生产的安全性,降低生产能耗,对煤矿生产现场大量运行的局部通风机进行性能测试与评估,综合运行软件处理技术、传感器技术和自动化技术,构建了局部通风机性能测试系统的总体结构,并对系统涉及的关键问题如压力测量、流量调节、性能曲线拟合和软件滤波等进行了逐一研究、解决,并实际应用于研制的系统中,实现了局部通风机性能测试的准确性、快速性和自动化操作。在此基础上,研制的AFT-2型局部通风机性能自动测试系统广泛应用于生产现场,说明了研制成果的可行性和实用性。

To improve the safety of coal production and reduce the production energy consumption,it is necessary to test and evaluate the performance of lots of local fans running in a coal mine production site.Software processing technology,sensor technology and automation technology were used to construct the general structure of the performance testing system for local fans.In addition,the key problems related to this system such as pressure measurement,flow adjustment,performance curve fitting and software filter were studied.When practically applied to the developed system,the accuracy,rapidity and automatic operation of local fan performance test was realized.On this basis,the developed performance automatic test system of AFT-2 local fan was widely used at the production site,proving the feasibility and applicability of this research result.