一种新型防爆伺服电机先导双阀高水基数字阀的设计与动态性能研究

IF 2.7 3区工程技术 Q2 ENGINEERING, MECHANICAL

Flow Measurement and Instrumentation Pub Date : 2025-08-25 DOI:10.1016/j.flowmeasinst.2025.103032

He Zhang , Zijie Zou , Jiyun Zhao , Bin Zhang , Hao Wang , Yunfei Wang

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引用次数: 0

摘要

针对煤矿液压支架工作面刮板输送机直线度调节的难题，提出了一种独特的先导双阀芯高压大流量高水基防爆数字流量阀的配置方法。“主动”双向插装阀作为一级阀，先导级由两个由电机螺杆驱动的2/3阀组成。采用CFD数值计算方法，研究了各主气门结构特性的通气量和空化发生规律。建立了先导级的数学模型，计算了电流回路、速度回路和位置回路的参数。仿真研究表明，“三回路”具有更好的响应特性，初级级性能受先导阻尼和先导供液压力的影响最大。最后，建立了基于Xpc的样机和测试平台。结果表明，采用防爆伺服电机驱动的数字流量阀在负载和空载情况下均能实现比例控制。加载时，步进上升时间为0.2 s。与步进电机相比，它能更好地保证控制性能，反应速度更快，满足地下支护工作面直线度控制需求。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Design and dynamic performance of a novel high water-based digital valve operated by explosion proof servo motor pilot dual valves

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Design and dynamic performance of a novel high water-based digital valve operated by explosion proof servo motor pilot dual valves

A unique configuration approach for a pilot double-valve core high-pressure large-flow high-water-based explosion-proof digital flow valve is proposed to address the challenge of regulating straightness of scraper conveyor in coal mine working face of hydraulic support. The ‘active’ two-way cartridge valve serves as the primary stage, and pilot stage is made up of two 2/3 valves that are driven by motor screw. The flow capacity and cavitation occurrence law of various main valve port structural characteristics are investigated by numerical calculation using CFD. Along with mathematical model for pilot stage, the current loop, speed loop, and position loop parameters are calculated. Based on the simulation study, “three-loop” has better response characteristics, and primary stage’s performance is most affected by pilot damping and pilot liquid supply pressure. Ultimately, prototype and test platform built on Xpc are produced. The results show that digital flow valve driven by explosion-proof servo motor can provide proportional control in both loading and no-load scenarios. When loading, the step rise time is 0.2 s. It can better guarantee control performance, react more quickly, and satisfy the straightness control demand in the subterranean support working face than a stepper motor.

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来源期刊

Flow Measurement and Instrumentation 工程技术-工程：机械

CiteScore

4.30

自引率

13.60%

发文量

123

审稿时长

6 months

期刊介绍： Flow Measurement and Instrumentation is dedicated to disseminating the latest research results on all aspects of flow measurement, in both closed conduits and open channels. The design of flow measurement systems involves a wide variety of multidisciplinary activities including modelling the flow sensor, the fluid flow and the sensor/fluid interactions through the use of computation techniques; the development of advanced transducer systems and their associated signal processing and the laboratory and field assessment of the overall system under ideal and disturbed conditions. FMI is the essential forum for critical information exchange, and contributions are particularly encouraged in the following areas of interest: Modelling: the application of mathematical and computational modelling to the interaction of fluid dynamics with flowmeters, including flowmeter behaviour, improved flowmeter design and installation problems. Application of CAD/CAE techniques to flowmeter modelling are eligible. Design and development: the detailed design of the flowmeter head and/or signal processing aspects of novel flowmeters. Emphasis is given to papers identifying new sensor configurations, multisensor flow measurement systems, non-intrusive flow metering techniques and the application of microelectronic techniques in smart or intelligent systems. Calibration techniques: including descriptions of new or existing calibration facilities and techniques, calibration data from different flowmeter types, and calibration intercomparison data from different laboratories. Installation effect data: dealing with the effects of non-ideal flow conditions on flowmeters. Papers combining a theoretical understanding of flowmeter behaviour with experimental work are particularly welcome.