CN112483714A - 一种用于氢燃料电池的比例阀 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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Abstract
本发明涉及氢燃料电池中氢气回路的流量控制阀领域,具体涉及一种用于氢燃料电池的比例阀,其包括壳体,所述壳体内设有线圈组件,线圈组件上连接有底座,壳体的顶端开口处设有极靴,所述壳体及极靴的外侧设有注塑外壳,所述极靴上设有贯通的圆孔,圆孔内依次设有弹簧、弹簧座及紧定螺钉,所述底座的孔内设有衔铁,底座的底部连接有阀座,阀座内部设有密封座,衔铁的顶端与弹簧相连接,衔铁的底端以固定有密封垫部件,密封座与密封垫部件相连接,所述阀座上设有进气口,所述密封座的中部设有一个出气口,本发明可精确的控制电堆的耗气量和电堆压力。既实现了氢气的供给功能,又实现了无极控制,噪音低,可靠性高。
Description
技术领域
本发明涉及氢燃料电池中氢气回路的流量控制阀领域,具体涉及一种用于氢燃料电池的比例阀。
技术背景
氢气比例阀是氢气燃料电池供氢系统的重要组成部分,起到精密调节进气压力和进气流量的作用。
原用于供氢的氢气喷射器是通过一个或多和阀组成,通过控制多个阀的开关时间来控制进入电堆的氢气流量和压力。有噪音大,可靠性差等缺点。
发明内容
本发明的目的是提供一种比例阀,通过阀的开度大小来调整氢气的流量和压力,可精确的控制电堆的耗气量和电堆压力。既实现了氢气的供给功能,又实现了无极控制,噪音低,可靠性高。
按照本发明的技术方案,所述一种用于氢燃料电池的比例阀,包括紧定螺钉、弹簧座、弹簧、线圈组件、衔铁、底座、密封垫部件,密封座、壳体、阀座、极靴、注塑外壳、进气口、出气口,所述壳体内设有线圈组件,线圈组件上连接有底座,壳体的顶端开口处设有极靴,所述壳体及极靴的外侧设有注塑外壳,所述极靴上设有贯通的圆孔,圆孔内依次设有弹簧、弹簧座及紧定螺钉,所述底座的孔内设有衔铁,底座的底部连接有阀座,阀座内部设有密封座,衔铁的顶端与弹簧相连接,衔铁的底端以嵌合的方式固定有密封垫部件,所述密封座与密封垫部件相连接,所述阀座上设有进气口,所述密封座的中部设有一个出气口。
作为本发明的进一步改进,所述衔铁的外部设有第一滑动轴承与第二滑动轴承。
作为本发明的进一步改进,所述紧定螺钉外通过锁紧螺母固定。
作为本发明的进一步改进,所述线圈组件包括线圈绕组与线圈骨架,其中线圈绕组固定在线圈骨架上,线圈套组的引出线设在注塑外壳外。
本发明的优点在于:
1.采用“平面阀+比例电磁阀”实现流量的比例调节;
2.弹簧预紧力通过螺纹实现无极调整,降低加工难度,降低加工误差对总成性能的影响;
3.衔铁涂层与自润滑轴承组成摩擦副,降低磨损对性能的影响,避免润滑油的引入电堆造成电堆的污染;
4.衔铁的两级导向通过一个零件完成,实现运动件的良好导向;
5.氢气喷射器外露部分全部塑料件包裹,提高产品的防腐蚀性。
附图说明
图1为本发明的整体结构的剖视图。
附图标记说明:1-锁紧螺母,2-紧定螺钉,3-弹簧座,4-弹簧,5-线圈组件,6-衔铁,7-底座,8-密封垫部件,9-密封座,10-壳体,11-阀座,12-极靴,13-第一滑动轴承,14-第二滑动轴承,15-注塑外壳,16-进气口,17-出气口。
具体实施方式
下面按照图示对本发明作进一步阐述。
如图1所示,一种用于氢燃料电池的比例阀,包括紧定螺钉2、弹簧座3、弹簧4、线圈组件5、衔铁6、底座7、密封垫部件8,密封座9、壳体10、阀座11、极靴12、注塑外壳15、进气口16、出气口17,所述壳体10内设有线圈组件5,线圈组件5上连接有底座7,壳体10的顶端开口处设有极靴12,所述壳体10及极靴12的外侧设有注塑外壳15,所述极靴12上设有贯通的圆孔,圆孔内依次设有弹簧3、弹簧座4及紧定螺钉2,所述底座7的孔内设有衔铁6,底座7的底部连接有阀座11,阀座内部设有密封座9,衔铁6的顶端与弹簧3相连接,衔铁6的底端以嵌合的方式固定有密封垫部件8,所述密封座9与密封垫部件8相连接,所述阀座11上设有进气口16,所述密封座9的中部设有一个出气口17。
所述衔铁6的外部设有第一滑动轴承13与第二滑动轴承14。
所述紧定螺钉2外通过锁紧螺母1固定。
所述线圈组件5包括线圈绕组与线圈骨架,其中线圈绕组固定在线圈骨架上,线圈套组的引出线设在注塑外壳15外。
本发明的工作过程为:
停止供气时,密封垫部件8在弹簧力作用下压在密封座9上,氢气从阀座11的入口进入,无法从出口出气,从而无法进入电堆,实现密封。
供气时,线圈组件5通电,产生磁场,磁场使得衔铁6与极靴12相互吸引,克服弹簧4的弹簧力,使得密封垫部件8离开密封座9,氢气从密封座9的进气口16进入,从阀座11的出气口17流出,进入电堆。电流的大小可控制衔铁6的抬起高度,衔铁6带动密封垫部件8运动,控制与密封垫部件8与密封座9的距离,从而可控制流量的大小。
Claims (4)
1.一种用于氢燃料电池的比例阀,其特征在于,包括紧定螺钉(2)、弹簧座(3)、弹簧(4)、线圈组件(5)、衔铁(6)、底座(7)、密封垫部件(8),密封座(9)、壳体(10)、阀座(11)、极靴(12)、注塑外壳(15)、进气口(16)、出气口(17),所述壳体(10)内设有线圈组件(5),线圈组件(5)上连接有底座(7),壳体(10)的顶端开口处设有极靴(12),所述壳体(10)及极靴(12)的外侧设有注塑外壳(15),所述极靴(12)上设有贯通的圆孔,圆孔内依次设有弹簧(3)、弹簧座(4)及紧定螺钉(2),所述底座(7)的孔内设有衔铁(6),底座(7)的底部连接有阀座(11),阀座内部设有密封座(9),衔铁(6)的顶端与弹簧(3)相连接,衔铁(6)的底端以嵌合的方式固定有密封垫部件(8),所述密封座(9)与密封垫部件(8)相连接,所述阀座(11)上设有进气口(16),所述密封座(9)的中部设有一个出气口(17)。
2.如权利要求1所述的一种用于氢燃料电池的比例阀,其特征在于,所述衔铁(6)的外部设有第一滑动轴承(13)与第二滑动轴承(14)。
3.如权利要求1所述的一种用于氢燃料电池的比例阀,其特征在于,所述紧定螺钉(2)外通过锁紧螺母(1)固定。
4.如权利要求1所述的一种用于氢燃料电池的比例阀,其特征在于,所述线圈组件(5)包括线圈绕组与线圈骨架,其中线圈绕组固定在线圈骨架上,线圈绕组的引出线设在注塑外壳(15)外。
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Patent Citations (7)
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US4830333A (en) * | 1988-09-02 | 1989-05-16 | General Motors Corporation | Solenoid valve |
CN101074747A (zh) * | 2006-01-28 | 2007-11-21 | 博世雷克斯罗斯股份公司 | 电动气动的支座型阀、特别是预控阀 |
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