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摘要气动减压阀是元器件中比较常见的稳压元件，它的作用就是将来源于气罐中的压力很高的气体经过减压阀的稳定来提供执行元件所需要的稳定压力，并且当其负载因减压阀进口压力发生变化或者经过减压阀后执行元件的压力变化而变化时，能够把出口压力自动的调节到所设定的压力值，并且能够保持相对的稳定，用来保证输出空气流量的变化和气源压力所产生的波动不影响气动系统的工作压力。本篇论文以所给定的一种直动式减压阀进行建模与仿真。
本文首先介绍了气动减压阀研究的历史背景，研究的实际意义，简单地介绍了减压的作用以及发展的状况。
本文说明了气动减压阀的工作原理，主要的特性参数等，为后面的仿真提供理论依据。51252
本文运用AMESim软件建立了减压阀及其气缸回路的仿真模型。
本文设定主要特性参数，并通过改变相关参数来分析研究影响减压阀的稳定性的各种因素。同时分析了减压阀对气缸回路的流速以及不同的气缸对减压阀的出口压力的影响，从而得出在设计时加入减压阀的必要性。
毕业论文关键词：气动，减压阀，建模，仿真
ABSTRACT Pneumatic valve is part of the more common regulator element, its role is to come from the high pressure gas tank gas through the valve actuator to provide the stability needed to stabilize the pressure, and when it load changes due to inlet pressure reducing valve or pressure reducing valve after the actuator when the pressure changes, the outlet pressure can be automatically adjusted to the set pressure value, and can remain relatively stable, to ensure that the output changes in air flow and supply pressure and the resulting volatility does not affect the working pressure of the pneumatic system. Given by this paper with a straight moving type relief valve for the modeling and simulation.
This paper first introduces the historical background of pneumatic valve research the practical significance of the study, the role of decompression were briefly reviewed and the development of situation.
This paper illustrates the working principle of pneumatic pressure reducing valve, the main characteristic parameters and so on, provide theoretical basis for the back of the simulation.
Pressure reducing valve and the cylinder is built up using AMESim software circuit simulation model.
This article set the main characteristic parameters, and by changing the relevant parameters to analyze the various factors that affect the stability of the pressure reducing valve.We also analyzed the influence of pressure on the valve outlet velocity pressure reducing valve on cylinder circuit as well as different cylinder, thus it is necessary to join the decompression valve at design time.
Key words:Pneumatic; Regulator; modeling; simulation
目录
第一章 绪论 1
1.1 课题研究的背景和意义 1
1.2.1 减压阀的作用及分类 1
1.2.2 减压阀的历史及其发展状况 2
1.2.3 国内外减压阀的研究状况 3
1.3 本课题的研究内容 4
1.4 研究步骤及措施 4
第二章 气动减压阀的特性 5
2.1 气动减压阀的结构 5
2.2 气动减压阀的工作原理 6
2.3 气动减压阀的主要性能
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