CN111623163A - 一种微小流量阀门控制机构 - Google Patents

一种微小流量阀门控制机构 Download PDF

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CN111623163A
CN111623163A CN202010534223.1A CN202010534223A CN111623163A CN 111623163 A CN111623163 A CN 111623163A CN 202010534223 A CN202010534223 A CN 202010534223A CN 111623163 A CN111623163 A CN 111623163A
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sheet
base
moving
elastic sheet
ring seat
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罗勇
张仁钦
陈红梅
林正得
叶辰
朱晓明
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Suzhou Renyongde Iot Technology Co ltd
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Suzhou Renyongde Iot Technology Co ltd
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Priority to CN202010534223.1A priority Critical patent/CN111623163A/zh
Publication of CN111623163A publication Critical patent/CN111623163A/zh
Priority to PCT/CN2020/124523 priority patent/WO2021248780A1/zh
Priority to US17/908,869 priority patent/US20240295275A1/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603Multiple-way valves
    • F16K31/0606Multiple-way valves fluid passing through the solenoid coil
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00Subject matter not provided for in other groups of this subclass
    • F16K99/0001Microvalves
    • F16K99/0003Constructional types of microvalves; Details of the cutting-off member
    • F16K99/0005Lift valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603Multiple-way valves
    • F16K31/0624Lift valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00Subject matter not provided for in other groups of this subclass
    • F16K99/0001Microvalves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00Subject matter not provided for in other groups of this subclass
    • F16K99/0001Microvalves
    • F16K99/0034Operating means specially adapted for microvalves
    • F16K99/0042Electric operating means therefor
    • F16K99/0046Electric operating means therefor using magnets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/029Electromagnetically actuated valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675Electromagnet aspects, e.g. electric supply therefor

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

本发明公开了一种微小流量阀门控制机构,包含电磁线圈、基座、环座、动片和弹片;弹片位于基座的上方,环座和动片位于基座与弹片之间,动片位于环座的内侧,基座上设置有与动片配合的密封圈;电磁线圈位于弹片的上侧;本方案优化了阀门进气控制的结构,环座对动片的升降起到一定的导向作用,保证进气过程中,动片不会产生偏斜,使动片下侧的外圈可以均匀进气,保证了电磁阀工作的稳定性;电磁线圈对动片产生向上的吸力,弹片对动片产生向下的弹力,可以通过线圈电流变化,对动片高度进行微调,进而改变阀门的开度;基座上的密封圈可保证线圈断电之后的阀门密封性。

Description

一种微小流量阀门控制机构
技术领域
本发明涉及一种微小流量阀门控制机构。
背景技术
电磁阀是流体流量控制的主要部件,电磁阀一般通过电磁线圈吸合磁芯,通过磁芯的开度控制流量;现有的电磁阀结构不够合理,导致进气结构不够稳定,影响流量控制的精度。
发明内容
本发明目的是为了克服现有技术的不足而提供一种微小流量阀门控制机构。
为达到上述目的,本发明采用的技术方案是:一种微小流量阀门控制机构,包含电磁线圈、基座、环座、动片和弹片;所述弹片位于基座的上方,环座和动片位于基座与弹片之间,动片位于环座的内侧,基座上设置有与动片配合的密封圈;所述电磁线圈位于弹片的上侧,电磁线圈对动片产生向上的吸力,弹片对动片产生向下的弹力。
优选的,所述基座的上侧的外圆周上设置有多个弧形挡壁,多个弧形挡壁的上表面齐平,环座落在弧形挡壁上,相邻的弧形挡壁之间形成进气开口结构。
优选的,所述动片的外圆周与环座的内壁间隙配合。
优选的,所述电磁线圈对动片产生向上的吸力时,动片与密封圈之间的间距为阀门开度D,D=D1+D2;D1为动片在接触弹片之前,动片的最大上升位移距离;D2为动片在接触弹片之后,使弹片在竖直方向上产生的形变量。
优选的,所述环座的高度为H1,动片的厚度为H2,密封圈的高度为H3,H1=H2+H3+D1。
由于上述技术方案的运用,本发明与现有技术相比具有下列优点:
本方案优化了阀门进气控制的结构,在动片外设置了环座,环座对动片的升降起到一定的导向作用,保证进气过程中,动片不会产生偏斜,使动片下侧的外圈可以均匀进气,保证了电磁阀工作的稳定性;电磁线圈对动片产生向上的吸力,弹片对动片产生向下的弹力,可以通过线圈电流变化,对动片高度进行微调,进而改变阀门的开度;基座上设置有与动片配合的密封圈,保证线圈断电之后的阀门密封性。
附图说明
下面结合附图对本发明技术方案作进一步说明:
附图1为本发明所述的一种微小流量阀门控制机构的示意图;
附图2为本发明所述的动片的受力结构示意图。
具体实施方式
下面结合附图及具体实施例对本发明作进一步的详细说明。
如图1-2所示,本发明所述的一种微小流量阀门控制机构,包含电磁线圈、基座1、环座2、动片3和弹片4;所述弹片4位于基座1的上方,环座2和动片3位于基座1与弹片4之间,动片3和弹片4均为圆形薄片结构;所述动片3位于环座2的内侧,动片3的外圆周与环座2的内壁间隙配合,使环座2可对动片3的升降起到一定的导向作用;所述基座1上设置有与动片3配合的密封圈5,基座1上的流道孔位于密封圈5的内圈,电磁线圈不通电时,动片3落在密封圈5上,将基座1上的流道孔封闭,密封圈5可以为特氟龙、丁晴橡胶、硅胶等材质。
所述基座1的上侧的外圆周上设置有多个弧形挡壁,多个弧形挡壁的上表面齐平,环座2落在弧形挡壁上,相邻的弧形挡壁之间形成进气开口结构;当然基座1上也可以不设计弧形挡壁结构,将进气开口结构转移到环座2的下端,但该进气开口结构必须低于动片3的下表面。
所述电磁线圈位于弹片4的上侧,电磁线圈通电后,对动片3产生向上的磁吸力F1,动片3向上移动后会压迫弹片4,使弹片4对动片3产生向下的弹力F2,流体经过动片3与基座1之间时,会因伯努利效应对动片3产生向下的作用力F3,F1=F2+F3;电磁线圈电流变化来改变磁吸力F1,F1克服F2和F3来控制动片3的开度;不同的开度,会产生不同的流量,达到微小流量精密控制的效果。
所述电磁线圈对动片3产生向上的磁吸力时,动片3与密封圈5之间的间距为阀门开度D,D=D1+D2;D1为动片3在接触弹片4之前,动片3的最大上升位移距离;D2为动片3在接触弹片4之后,使弹片4在竖直方向上产生的形变量;一般情况下,D1和D2均不大于15微米。
所述环座2的高度为H1,动片3的厚度为H2,密封圈5的高度为H3,H1=H2+H3+D1,环座2在加工时,可以根据该公式进行设计;但由于密封圈5一般是有一部分埋于基座1中,因此式中所述的密封圈5的高度H3是指密封圈5高出环座2与基座1配合面的高度。
图中为了图示方便,将各部件产生了微小的分离,而实际上,环座2的下侧应当贴紧基座1,弹片4应当被电磁线圈压紧在环座2的上侧。
上述实施例只为说明本发明的技术构思及特点,其目的在于让熟悉此项技术的人士能够了解本发明的内容并加以实施,并不能以此限制本发明的保护范围,凡根据本发明精神实质所作的等效变化或修饰,都应涵盖在本发明的保护范围内。

Claims (5)

1.一种微小流量阀门控制机构,其特征在于:包含电磁线圈、基座(1)、环座(2)、动片(3)和弹片(4);所述弹片(4)位于基座(1)的上方,环座(2)和动片(3)位于基座(1)与弹片(4)之间,动片(3)位于环座(2)的内侧,基座(1)上设置有与动片(3)配合的密封圈(5);所述电磁线圈位于弹片(4)的上侧,电磁线圈对动片(3)产生向上的吸力,弹片(4)对动片(3)产生向下的弹力。
2.根据权利要求1所述的微小流量阀门控制机构,其特征在于:所述基座(1)的上侧的外圆周上设置有多个弧形挡壁,多个弧形挡壁的上表面齐平,环座(2)落在弧形挡壁上,相邻的弧形挡壁之间形成进气开口结构。
3.根据权利要求1所述的微小流量阀门控制机构,其特征在于:所述动片(3)的外圆周与环座(2)的内壁间隙配合。
4.根据权利要求1所述的微小流量阀门控制机构,其特征在于:所述电磁线圈对动片(3)产生向上的吸力时,动片(3)与密封圈(5)之间的间距为阀门开度D,D=D1+D2;D1为动片(3)在接触弹片(4)之前,动片(3)的最大上升位移距离;D2为动片(3)在接触弹片(4)之后,使弹片(4)在竖直方向上产生的形变量。
5.根据权利要求4所述的微小流量阀门控制机构,其特征在于:所述环座(2)的高度为H1,动片(3)的厚度为H2,密封圈(5)的高度为H3,H1=H2+H3+D1。
CN202010534223.1A 2020-06-12 2020-06-12 一种微小流量阀门控制机构 Pending CN111623163A (zh)

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CN202010534223.1A CN111623163A (zh) 2020-06-12 2020-06-12 一种微小流量阀门控制机构
PCT/CN2020/124523 WO2021248780A1 (zh) 2020-06-12 2020-10-28 一种微小流量阀门控制机构
US17/908,869 US20240295275A1 (en) 2020-06-12 2020-10-28 Micro-flow valve control mechanism

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CN112178219A (zh) * 2020-09-08 2021-01-05 苏州仁甬得物联科技有限公司 一种浮动精密流量阀门控制机构
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CN112178219A (zh) * 2020-09-08 2021-01-05 苏州仁甬得物联科技有限公司 一种浮动精密流量阀门控制机构
CN112178222A (zh) * 2020-09-21 2021-01-05 苏州仁甬得物联科技有限公司 一种加强密封的精密流量控制结构
CN112413226A (zh) * 2020-11-09 2021-02-26 苏州仁甬得物联科技有限公司 一种压紧式精密流量控制机构
CN114763860A (zh) * 2021-01-15 2022-07-19 苏州仁甬得物联科技有限公司 一种密闭式精密流量控制机构
WO2023024147A1 (zh) * 2021-08-23 2023-03-02 苏州仁甬得物联科技有限公司 一种动态悬浮自平衡比例阀

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