微型柱塞泵配流性能仿真和试验分析

doi:10.3901/JME.2025.22.370

机械工程学报 ›› 2025, Vol. 61 ›› Issue (22): 370-382.doi: 10.3901/JME.2025.22.370

• 交叉与前沿 • 上一篇

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微型柱塞泵配流性能仿真和试验分析

巴金磊¹, 姜志文², 吴德发², 崔岩², 刘银水²

1. 中国航空工业集团公司金城南京机电液压工程研究中心南京 211106;
2. 华中科技大学机械科学与工程学院武汉 430074

收稿日期:2024-11-19 修回日期:2025-05-07 发布日期:2026-01-10
作者简介:巴金磊,男,1996年出生。主要研究方向为微型液压系统及元件。E-mail:Ba_Jinlei@163.com
刘银水(通信作者),男,1973年出生,博士,教授,博士研究生导师。主要研究方向为水液压技术、深海液压技术、生物降解液流体传动技术和全无油微型高压压缩机。E-mail:liuwater@hust.edu.cn

Simulation and Experimental Analysis of Flow Distribution Performance of the Micro Piston Pump

BA Jinlei¹, JIANG Zhiwen², WU Defa², CUI Yan², LIU Yinshui²

1. Jincheng Nanjing Electromechanical Hydraulic Engineering Research Center of Aviation Industry Corporation of China, Nanjing 211106;
2. School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074

Received:2024-11-19 Revised:2025-05-07 Published:2026-01-10

摘要/Abstract

摘要： 采用微型液压系统分段独立驱动油田固井滑套是实现油层开采分散独立控制，并最终实现油田智能化控制开采的创新思路。由于布放空间极度狭小，现有微型液压泵难以满足要求。提出一种阀配流结构的单柱塞微型泵(下文简称微型泵)，其最大外径仅16 mm。因为柱塞泵微型化设计不能依赖现有常规尺寸泵的缩比设计，提出新的表征参数—结构系数比。建立微型泵流动特性的集总参数仿真模型，研究微型泵配流性能对不同影响参数的敏感性，搭建微型泵性能测试平台，分析微型泵在不同吸入条件下的压力流量特性。结果表明：初始闭死容积由0.12 mL下降到0.04 mL时(对应结构系数比由6C变为2C)，微型泵的容积效率由83.5%上升到92.97%，同时，增大泵的入口压力可有效增强微型泵吸液能力，从而提高微型泵的配流效率。

关键词: 微型柱塞泵, 配流性能, 容积效率, 压力流量特性

Abstract: It is an innovative idea to realize the decentralized and independent control of oil reservoir exploitation and finally realize the intelligent control of oil field exploitation by using the micro hydraulic system to drive oil field cementing slip sleeve separately in sections. The existing micro hydraulic pump is difficult to meet the requirements due to the extremely narrow layout space. A single piston micro pump with valve distribution structure（hereinafter referred to as micro pump） is proposed, whose maximum outer diameter is only 16 mm. The miniaturization design of piston pump can not rely on the reduction design of the existing conventional pump. Therefore, the structure coefficient ratio is proposed as a new characterizing parameter. The lumped parameter simulation model of micro pump flow characteristics is established to study the sensitivity of micro pump flow distribution performance to different influencing parameters. The performance test platform of the micro pump was built to study the pressure and flow characteristics of the micro pump under different suction conditions. The results show that when the initial closed volume decreases from 0.12 mL to 0.04 mL（corresponding to the structural coefficient ratio changes from 6C to 2C）, the volume efficiency of the micro pump increases from 83.5% to 92.97%. At the same time, increasing the inlet pressure of the pump can effectively enhance the suction capacity of the micro pump, thereby improving the distribution efficiency of the micro pump.

Key words: micro piston pump, flow distribution performance, volumetric efficiency, pressure and flow characteristics

中图分类号:

TH137

巴金磊, 姜志文, 吴德发, 崔岩, 刘银水. 微型柱塞泵配流性能仿真和试验分析[J]. 机械工程学报, 2025, 61(22): 370-382.

BA Jinlei, JIANG Zhiwen, WU Defa, CUI Yan, LIU Yinshui. Simulation and Experimental Analysis of Flow Distribution Performance of the Micro Piston Pump[J]. Journal of Mechanical Engineering, 2025, 61(22): 370-382.

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微型柱塞泵配流性能仿真和试验分析

Simulation and Experimental Analysis of Flow Distribution Performance of the Micro Piston Pump

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