CN102734140A - 压电泵和其配管 - Google Patents

压电泵和其配管 Download PDF

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Publication number
CN102734140A
CN102734140A CN2011100916531A CN201110091653A CN102734140A CN 102734140 A CN102734140 A CN 102734140A CN 2011100916531 A CN2011100916531 A CN 2011100916531A CN 201110091653 A CN201110091653 A CN 201110091653A CN 102734140 A CN102734140 A CN 102734140A
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China
Prior art keywords
pump
piezoelectric pump
pipe arrangement
matched pipe
outlet
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CN2011100916531A
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CN102734140B (zh
Inventor
曹孝平
曹伟祥
林淑媛
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Yancheng Xiangshun Valve Industry Co.,Ltd.
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林淑媛
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Priority to CN201110091653.1A priority Critical patent/CN102734140B/zh
Priority to PCT/CN2012/073873 priority patent/WO2012139503A1/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/003—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by piezoelectric means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04—Pumps having electric drive
    • F04B43/043—Micropumps
    • F04B43/046—Micropumps with piezoelectric drive

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

本发明公开了一种压电泵和其配管，该压电泵包括进出口配管、上下壳、换能片、阀片和密封圈。其中一个核心的方法是将换能片的定位做成圆周边固定不能伸缩；把壳体和换能片形成的工作腔内流体流动的表面做成弧面或曲面等流线体形状。在泵的进出口加一段配管，有利于流体的流动从紊流状态向稳流状态转变。这些方法能有效地降低无用功的消耗，极大地提升泵的效率。

Description

压电泵和其配管
技术领域
本发明涉及微型泵，特别是，涉及一种以压电陶瓷片为能量转换装置的压电泵。
背景技术
压电泵是一种新型泵，因为它的节能环保、体积小、重量轻、噪音低等许多优点，而被许多技术工作者看好它的应用前景，这种泵因为有许多技术基础工作的研究没有做透切，技术指标的提升有不少可以努力的空间。
发明内容
本发明从换能片的安装定位、泵体工作腔的设计和管路配置方面来提升泵的性能指标。
本发明的技术方案如下：一种压电泵，由进出口配管、上下壳、换能片、阀片和密封圈等零件组成。其中一个核心的方法是将换能片的定位做成圆周边固定不能伸缩，最好是机械方法的紧配合，这种做法相当于杠杆原理的支点做在了圆周边，把换能片水平方向的伸缩变化最大化的转化为垂直振幅了，从而有效地提升了泵的工作腔的体积变化率，也就相应地提升泵的性能指标。我们把壳体和换能片形成的工作腔内流体流动的表面做成弧面或曲面等流线体形状，有利于减少流体流动的阻力和加速度突变，从而提高能量转化的效率，相应地也提高了泵的性能指标。我们在泵的进出口加一段配管，有利于流体的流动从紊流状态向稳流状态转变，从而降低了流体流动过程中的能量消耗，达到了节能的目的。
附图说明
图1是本发明中压电泵的结构图
图2是本发明中换能片的结构图
图3是本发明中下壳的结构图
具体实施方式
以下结合附图和具体实施例，对本发明进行更详细地说明。
图1是本发明中压电泵的结构图，该泵由进口配管(1)、上壳(2)、换能片(3)、阀片(4)、下壳(5)、密封圈(6)和出口配管(7)等零件构成。上壳(2)和下壳(5)用螺钉连接或超声波焊接等方法将这些零件有机地组合在一起形成一个完整的压电泵。早前许多已报的专利或者是已经试产的压电泵产品是以图2中的(101)面和图3中的(102)面作为换能片(3)的定位面，而换能片(3)的(A)面是可以自由伸缩的，本专利中将下壳(5)的(B)面和换能片(3)的(A)面以紧配合的方式限定，使换能片(3)通电后产生的伸缩变化最大化的转化为垂直振幅，从而提高了能量转化的效率。在图3中，我们把(103)面做成流线体形式的弧面或曲面，减少流体流动过程中的阻力和涡流，也有利于能量最大化地转化为有用功。在图1中，我们把压电泵的进出口再配一节材料硬度在邵氏50以上的管子，或者把进出口长度适度做长，由于这种管子有利于把紊流变为稳流，从而减少了流体在进出口部位的能量损耗，相应地也就提高了压电泵的工作效率。我们对前述实例做过不少测试对比，也证实了我们的方法行之有效。

Claims (3)

1.一种压电泵，包括进口配管(1)、上壳(2)、换能片(3)、阀片(4)、下壳(5)、密封圈(6)和出口配管(7)；其特征在于：所属的换能片(3)的圆柱面(A)与下壳(5)的圆柱面(B)为紧配合定位。
2.一种压电泵配管，其特征在于：该泵进出口连接有配管(1)和(7)，且配管材料的硬度在邵氏50以上。或者说该泵进出水口有一段不少于30厘米管路，且管材料的硬度在邵氏50以上。
3.根据权利要求1所述的压电泵，其特征在于：换能片(3)表面(101)和壳体表面(103)构成压电泵的工作腔，且表面(103)为无尖锐过渡的弧形面，或为逐渐变化的曲面等流线体形状。
CN201110091653.1A 2011-04-12 2011-04-12 压电泵和其配管 Expired - Fee Related CN102734140B (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201110091653.1A CN102734140B (zh) 2011-04-12 2011-04-12 压电泵和其配管
PCT/CN2012/073873 WO2012139503A1 (zh) 2011-04-12 2012-04-12 压电泵及其配管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110091653.1A CN102734140B (zh) 2011-04-12 2011-04-12 压电泵和其配管

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CN102734140A true CN102734140A (zh) 2012-10-17
CN102734140B CN102734140B (zh) 2016-03-09

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WO (1) WO2012139503A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644103B (zh) * 2013-11-11 2016-04-27 江苏大学 一种连锁螺线管无阀压电泵

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002130135A (ja) * 2000-10-26 2002-05-09 Matsushita Electric Ind Co Ltd ダイヤフラム及び該ダイヤフラムを備えたポンプ装置
CN1378041A (zh) * 2002-05-20 2002-11-06 张建辉 高频阀压电泵及其泵腔设计方法
CN1630116A (zh) * 2003-12-15 2005-06-22 阿尔卑斯电气株式会社 压电泵
CN200989293Y (zh) * 2006-10-19 2007-12-12 吉林大学 微型喷水推进泵
US20080086077A1 (en) * 2006-09-26 2008-04-10 Seiko Epson Corporation Fluid injection device
CN101255858A (zh) * 2007-03-01 2008-09-03 讯凯国际股份有限公司 薄膜泵及具有薄膜泵的装置
CN202451402U (zh) * 2011-04-12 2012-09-26 林淑媛 压电泵和其配管

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19720482C5 (de) * 1997-05-16 2006-01-26 INSTITUT FüR MIKROTECHNIK MAINZ GMBH Mikromembranpumpe
CN1766331A (zh) * 2005-11-25 2006-05-03 北京工业大学 用于有阀压电泵的启动阀门
CN201244229Y (zh) * 2008-06-27 2009-05-27 北京工业大学 基于微型压电泵的人工心脏辅助泵
CN101666307B (zh) * 2009-09-15 2012-11-28 南京航空航天大学 一种漏斗形阀压电泵及其工作方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002130135A (ja) * 2000-10-26 2002-05-09 Matsushita Electric Ind Co Ltd ダイヤフラム及び該ダイヤフラムを備えたポンプ装置
CN1378041A (zh) * 2002-05-20 2002-11-06 张建辉 高频阀压电泵及其泵腔设计方法
CN1630116A (zh) * 2003-12-15 2005-06-22 阿尔卑斯电气株式会社 压电泵
US20080086077A1 (en) * 2006-09-26 2008-04-10 Seiko Epson Corporation Fluid injection device
CN200989293Y (zh) * 2006-10-19 2007-12-12 吉林大学 微型喷水推进泵
CN101255858A (zh) * 2007-03-01 2008-09-03 讯凯国际股份有限公司 薄膜泵及具有薄膜泵的装置
CN202451402U (zh) * 2011-04-12 2012-09-26 林淑媛 压电泵和其配管

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WO2012139503A1 (zh) 2012-10-18

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