CN102667423B - 光增强型流管 - Google Patents

光增强型流管 Download PDF

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CN102667423B
CN102667423B CN201080057413.3A CN201080057413A CN102667423B CN 102667423 B CN102667423 B CN 102667423B CN 201080057413 A CN201080057413 A CN 201080057413A CN 102667423 B CN102667423 B CN 102667423B
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flow tube
bobbin
metering device
flow
tube
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CN102667423A (zh
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E.J.布鲁姆纳
G.P.科斯莫普洛斯
R.托比亚
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Spacelabs Healthcare LLC
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    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
    • G01F1/22—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters
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    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
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Abstract

一种改进型流体流量计量装置，其包括光增强型丙烯酸单元流管，用于提供压力读数的最佳可视效果。LED或其它光源被装配到流管的顶部，并从上方照亮浮子或筒管，以提供更准确的读数，特别是在如现代手术室之类的弱光条件下。另外，本光增强型流管在更新的电子系统出现故障时可以提供机械备份，且视觉上可与图形流量显示部分匹配，同时提供电子系统的双重监视。

Description

光增强型流管
技术领域
本发明涉及气体和液体流量计量（gauging）装置。更具体地说，本发明涉及带有用作麻醉系统中流量测量件的筒管（bobbin）的光增强型流管（lightenhancedflowtube）。
背景技术
过去常用包含浮子或“筒管”的透明管作为测量气体和液体系统中流量的器件。视觉地观察邻近管的塑料带上或印在管自身的壁上的刻度线（scaledmarkings）旁边的筒管的水平面，使用者能够精确地计量被施加到系统的气体或液体的流量。传统上，这种计量装置利用了定位在流管和刻度带后面的细长的光照源。尽管提供了一种用于测量流量的极可靠的器件，在用于如当今的手术室中得到那些条件之类的弱光条件时，这种传统的方法很难准确地读取读数且不能提供最佳的可视效果。
流管的纵向照明与针式计量器（needlegauge）的照明一道已被用来帮助使用者获取读数。例如，被转让给AviationOxygenSystems,Inc.的美国专利申请20080251003号描述了“一种被照明的气体流管，其包括具有远端和近端的直列式（in-line）流管。气体进口被同轴地固定到远端，而气体出口被同轴地固定到近端。特殊的重力球位于直列流管内，且作为进入气体进口的气体的函数在流管内运动。将发出磷光或光致发光材料配置和安排成至少部分地沿纵向包围流管的径向外部部分，以照亮管的内部。被照明的气体压力计量器包括气体进口、压力敏感元件、透明盖、以及被透明盖包围且透过透明盖可被看到的面，该面包括压力指示标识。针件可操作地被连接到压力敏感元件且透过透明盖可被看到，以提供气体进口处的压力可视标识，所述面用照明材料覆盖，这样允许在弱光条件下读出计量器读数。”
另外，更新的流量计量装置，特别是用在现代麻醉机器中的那些流量计量装置，现在都采用电子式流量测量并将数据通过图形显示在视频使用者界面上。这些更新的系统的优点是能提供数字输出且能使使用者直接将流量数据输入到病人的记录中。
虽然这些新的电子装置提供了准确和视觉上可引人注意的流量数据，还存在万一电子系统出现故障需要提供通过机械方式工作的可靠的流管装置的需求。使用者还要求机械式流管作为数字数据的“双重监视”。另外，机械式流管装置需要以和更新的电子显示相匹配的方式显示流量数据且能在弱光条件下最佳地读取读数。
发明内容
在一个实施例中，本发明提供一种光增强型流管，其带有被用作麻醉系统中流量测量件的筒管。
在一个实施例中，本发明提供一种流体流量计量装置，其包括封装有中空管的容器，该中空管具有长度、顶部和底部，其中进口孔被定位在中空管的底部附近，其中开口被定位在中空管的顶部附近，且其中出口孔被定位在中空管的顶部附近；筒管位于中空管内，所述筒管能够根据所施加的流体压力的量来回移动（traversing）于中空管的长度上；以及被用来直接将来自光源的光通过所述中空管的顶部引向所述筒管引导的光纤管。
在一个实施例中，筒管为球形的且具有反射性能。在一个实施例中，筒管是白色氧化铝陶瓷球。在另一实施例中，筒管是不锈钢球。
在一个实施例中，所述容器包括至少一个丙烯酸整体件，其中所述丙烯酸整体件是丙烯酸单元（acrylicblock）。附加地，所述容器包括至少一个倾斜面，该面具有邻近所述至少一个倾斜面的多条刻度线（scalemarkings）。
在一个实施例中，光纤管被固定地附联到所述开口，该开口被定位在邻近中空管的顶部。在一个实施例中，光源包括远距离定位的LED，其中所述LED被与导致流体流过所述中空管的能源无关的能源供电。
在一个实施例中，进口孔被配置成接收加压气体进入中空管内，而出口孔被配置成为能使所述加压气体离开所述中空管。在一个实施例中，所述管是圆柱形的。
在一个实施例中，当流体流动时，机构自动开启所述光源。在一个实施例中，所述机构包括压力变换器，该压力变换器通过流量计的阻力测量压力上升。在另一实施例中，所述机构包括位于流量控制针阀上的开关。在一个实施例中，当流体被导引流过所述中空管时，所述光纤管照亮所述筒管的上部半球。
在另一实施例中，本发明提供一种流体流量计量装置，其包括封装有中空管的容器，该中空管具有长度、顶部和底部，其中进口孔被定位在中空管的底部附近，其中开口被定位在中空管的顶部附近，且其中出口孔被定位在中空管的顶部附近；筒管位于中空管内，所述筒管根据施加的流体压力的量能够来回移动于中空管的长度上；以及被用来将光通过所述中空管的顶部射向所述筒管的发光二级管（LED）。
在又一实施例中，本发明提供一种流体流量计量装置，其包括封装有中空管的容器，该中空管具有长度、顶部和底部，其中进口孔被定位在中空管的底部附近，其中开口被定位在中空管的顶部附近，且其中出口孔被定位在中空管的顶部附近；筒管位于中空管内，所述筒管能够根据施加的流体压力的量来回移动于中空管的长度上；以及被引导通过所述中空管的顶部并射向所述筒管的光源。
附图说明
通过结合附图和参考以下的详细描述本发明的这些以及其他特征将更为清晰。附图中：
图1的三维图示出了本发明的光增强型流管的许多部件；
图2A为该光增强型流管的顶视图，其描绘了包括在本发明的一个实施例中的各种测得的尺寸和用于光导管的开口；
图2B为该光增强型流管的底视图，其描绘了包括在本发明的一个实施例中的各种测得的尺寸和进口孔；
图2C为该光增强型流管的后视图，其描绘了包括在本发明的一个实施例中的各种测得的尺寸和出口孔；
图2D为该光增强型流管的前面视图，其描绘了包括在本发明的一个实施例中的各种测得的尺寸和倾斜的前面及倾斜的右侧；
图3为该光增强型流管的右侧轮廓图；
图4的示意图单独地示出了光纤光导管组件的许多部件；
图5示出了全部组装好的光纤光导管组件；
图6为与电子图形流量显示部分相邻的被照明筒管从亮处到暗处过渡的全貌图；
图7示出了一个实施例，其中光增强型流管被附联到麻醉机器，与电子图形流量显示相邻；
图8为一个实施例的直列图（straightonview），其中光增强型流管被附联到麻醉机器，与电子图形流量显示部分相邻。
具体实施方式
在一个实施例中，本发明涉及一种光增强型流管形式的流量的计量装置，其可提高如任何气体或液体之类的流体流量。
在一个实施例中，本发明涉及封装在丙烯酸单元内的流管，所述流管包含浮子或“筒管”，所述筒管被从顶部照明，以提高筒管的可视效果，由此使用者能够获得更准确的流量读数。照明度由发光二级管（LED）或其他光源提供且从管的顶部向下照射到筒管上。在一个实施例中，筒管是球形的且由反光材料制成，因此从上方被照亮时能增强可视效果。尤其在弱光条件下，丙烯酸单元流管的分光效应与筒管的照明度结合可使筒管水平面的可视效果更好，因此能得到更准确的流量读数。相对于传统流管的前面而言，这种结合效果还允许使用者在非常极端的观察角度下获得准确的流量读数。
另外，本发明涉及使用球状白色氧化铝陶瓷指示球作为筒管。这类特别的筒管将来自被光导管驱动的LED的蓝光以视觉上引人注意的方式反射。白色氧化铝陶瓷球通过围绕其表面照亮整个上部半球地发散光来实现此效果。该类筒管比不锈钢球能更有效地增强可视效果，不锈钢球更多的是点反射光。此外，由于被反射的光发散到整个上部半球，在球的中央处可形成由亮到暗的自然线条，这正好是使用者获取可视流量读数的位置。
再者，成角度的面的流管（angledfaceflowtube）设计在光增强型流管被安装在麻醉机邻近电子流量管屏幕时允许最佳观察。本发明提供对老式流管技术的最新实施方式，为使用者提供了更好的筒管可视效果，同时提供了更新的电子流量测量显示部分和作为备份测量源的老式流管的更好的视觉汇合。成角度的面的流管设计允许甚至通过物理上处于筒管和使用者的眼睛之间的用于前面显示的聚光圈小指示灯（bezel）直接从电子式流管屏幕的前面观察被照明的浮子形状。在成角度的面处的光线的弯曲度可以导致这种可视效果并保持流管的前面所用区域很小。
此外，用来照明筒管的光由被引入处于流管顶部处的密封装配部的光纤光导管提供。这允许将光源LED安装在与流管相距一段距离的电路板上，能更经济和实用地封装。
另外，当流量被施加到系统时照明才开启（turnedon）。这可用单独的电子机构来实现。结果将导致可查询发射光（informationprojectionlighting）的附加优点。如果有流量流过，筒管将自动照明，由于光线可导致促进筒管示数。此外，手术室和医院的其他区域往往有若机械保持开着（lefton）将浪费氧气的辅助的氧气流管。借助只在施加流量时才使照明部分工作，使用者能够观察筒管是否被照明并且知道流量被无意地通着（lefton）。
本发明涉及多个实施例。下面公开的内容是为了保证所属领域技术人员能够实现本发明。不应将本说明书中使用的语言看作为是常常否定任何一个具体实施例或被用来限制超出本说明书所使用的词语的含义的权利要求。在不超出本发明构思和范围的前提下，本说明书限定的一般原理可用于其他一些实施例和一些应用。此外，所用的术语和措辞只用于描述示例性实施例而不应认为是限制性的。因此，应将本发明看作是最大范围地包含由所公开的原理和特征构成的很多可选的、改型的和等同的技术方案。为了清楚起见，涉及与本发明相关的技术领域的公知技术材料的细节不再赘述，因此不致于不必要地导致本发明的描述不清楚。
图1的三维图示出了光增强型流管14的一些部件。在一个实施例中，光增强型流管14被包含在丙烯酸单元10内。此外，流管14包括定位在丙烯酸单元10的底部处的进口孔17、排出丙烯酸单元10的后面的出口孔19、用于光纤光导管的密封装配件的开口18、和位于流管14内的筒管12。筒管12可以是能够在流体流量内浮动的任何结构，包括浮子、浮标、悬浮微球、或任何其他这样的结构。在一个实施例中，丙烯酸单元10具有定位在顶部处的安装孔16和定位在底部处的安装孔15。在一个实施例中，丙烯酸单元10具有五侧，包括左侧、后侧、右侧的非倾斜部分22、倾斜的右侧20、和倾斜的前侧24，以便最佳地看到筒管12。
在一个实施例中，丙烯酸单元10具有倾斜的前面24和部分倾斜的右侧20，以便从多个和极端的观察角度提高筒管12的可视效果。图2A为光增强型流管14的顶视图，其示出了用于包括在本发明的一个实施例中的各种测量尺寸和光导管18的开口。在一个实施例中，面向丙烯酸单元10的前面24时，横过并与左侧26形成90度地测得丙烯酸单元10的后侧28为24.00毫米。在一个实施例中，左侧26测得的尺寸为30.27毫米。在另外的实施例中，流管的左侧26和后侧28被不透明的标签或比对颜色的油墨覆盖，以进一步增强筒管照明的视觉效果。在一个实施例中，这种颜色为浅灰。在一个实施例中，面向前面24时右侧的非倾斜部分22与丙烯酸单元10的后侧28形成90度角且测得尺寸为14.37毫米。在一个实施例中，右侧的倾斜部分20与右侧的非倾斜部分22形成37±2度角，且朝向丙烯酸单元10的左侧26向内延伸。在一个实施例中，倾斜的前面24与左侧26形成82.54+/-2度角并从丙烯酸单元10的中心向外离开地延伸。
如图2A所示，在一个实施例中，面向前面24时流管14的中心被定位在与左侧26相距9.00毫米且与丙烯酸单元10的后面相距16.00毫米。在一个实施例中，流管14大体从丙烯酸单元10的底部伸进大体丙烯酸单元10的顶部，在顶部处设有用于光纤光导管的密封装配件的开口18。在一个实施例中，用于光导管的开口18具有1/4英寸直径英国管类螺纹标准（BSPP）的螺纹且垂直向下伸进丙烯酸单元10至少12.00毫米。在一个实施例中，面向前面24时，在丙烯酸单元10的顶部处用于光导管的开口18的中心被定位成与左侧26相距9.00毫米且与丙烯酸单元10的后侧28相距16.00毫米，并与流管14的中心成一直线。流管14的顶部较宽而底部较窄，其横截面作为校准气体和筒管12的重量的函数变化。筒管12来回移动于流管14的长度上，上至顶部处的光导管透镜，下至底部处的较窄部分。流管14顶部处的透镜防止筒管12进一步沿流管14上行，流管14底部处较小的直径可防止筒管12进一步沿流管14下行。筒管12在流管14内的上下来回运动取决于经过流管14的流量。在一个实施例中，安装孔16被定位在丙烯酸单元10的顶部处。在一个实施例中，丙烯酸单元10顶部处的安装孔16的直径为2.50毫米且向下垂直伸进丙烯酸单元10至少12.00毫米处。在一个实施例中，面向前面24时，丙烯酸单元10顶部处的安装孔16的中心被定位为与左侧26相距5.00毫米，并与丙烯酸单元10的后侧28相距5.00毫米。
图2B为光增强型流管14的底视图，其示出了包括在本发明的一个实施例中的各种测量尺寸和进口孔17。进口孔17位于丙烯酸单元10的底部处且用于接纳加压气体进入流管14内。如图2B所示，在一个实施例中，定位在丙烯酸单元10的底部处的进口孔17具有1/8英寸直径的BSPP螺纹且垂直向上伸进丙烯酸单元10至少7.00毫米。在一个实施例中，面向前面24时，进口孔17的中心被定位成与左侧26相距9.00毫米且与丙烯酸单元10的后侧28相距16.00毫米，并与流管14的中心成一直线。在一个实施例中，丙烯酸单元10的底部处定位有安装孔15。在一个实施例中，丙烯酸单元10的底部处的安装孔15的直径为2.50毫米且向上垂直伸进丙烯酸单元10至少12.00毫米。在一个实施例中，面向前面24时，丙烯酸单元10的底部处的安装孔15的中心被定位为与左侧26相距5.00毫米，并与丙烯酸单元10的后侧28相距5.00毫米。
图2C为光增强型流管14的后视图，其示出了包括在本发明的一个实施例中的各种测量尺寸和出口孔19。出口孔19位于丙烯酸单元10的后部上且用作使加压气体离开流管14的点。如图2C所示，在一个实施例中，通向丙烯酸单元10后部的出口孔19具有1/8英寸直径的BSPP螺纹且水平地伸进丙烯酸单元10至少7.00毫米，在该点处与流管14连接。在一个实施例中，面向前面24时，出口孔19的中心被定位成与左侧26相距9.00毫米且从丙烯酸单元10的顶部向下26.50毫米。
图2D为光增强型流管14的前面视图，其示出了用于包括在本发明的一个实施例中的各种测量尺寸、倾斜的前面24和倾斜的右侧20。如图2D所示，在一个实施例中，丙烯酸单元10的总长度测得为160.00毫米。同时参考图2A和2D，在一个实施例中，对于从丙烯酸单元10顶部起的第一个25毫米，右侧的倾斜部分20朝丙烯酸单元10的中心后移2.00毫米。在第一个25.00毫米之后，倾斜的右侧20向后向外延伸2.00毫米并保持该测得的尺寸用于再一个115.00毫米。在这点处，倾斜的右侧20再次向丙烯酸单元10的中心后移2.00毫米并以这样的方式保持距丙烯酸单元10的底部再一个20.00毫米。此外，在一个实施例中，对于从丙烯酸单元10的顶部起的第一个25毫米，倾斜的前面24朝丙烯酸单元10的中心后移2.42毫米。在第一个25毫米之后，倾斜的前面24向后向外延伸2.42毫米并保持该测得的尺寸用于再一个115.00毫米。在这点处，倾斜的前面再次朝丙烯酸单元10的中心后移2.42毫米并以这样的方式保持距丙烯酸单元10的底部再一个20.00毫米。
在一个实施例中，对完全延伸的倾斜前面和右侧的完全延伸的倾斜部分进行抛光且所有剩余的表面是半不透明的或完全不透明的，且包含比对颜色。被抛光的表面和在这些倾斜的面处的光线的弯曲度允许最佳的可视效果，同时允许在被定位在邻近电子图形显示部分时由光增强型丙烯酸单元流管的前面所用区域较小。
在一个实施例中，光增强型丙烯酸单元流管被校准为用于氧气且与氧气、一氧化二氮（N2O）和空气化学上兼容。在一个实施例中，压力范围是0-14kPaGA，而流量范围是0-15LPM。
图3为光增强型流管14的右侧轮廓图。在一个实施例中，倾斜的右侧20在0、5、10和15LPM处包含白色刻度线，且每1LPM作出小记号。刻度线包括“中央处读取”符号和“L/Min”标志（label）。在一个实施例中，仅完全延伸的倾斜右侧20包含标记（markings），刻度（scale）可用范围最小跨越所述完全延伸的倾斜右侧20的全部高度的75%。
图4分离地示出了光纤光导管组件30的一些部件，图5示出了组装后的组件。在一个实施例中，光纤光导管组件包括光纤管34，该光纤管的一端由透镜32终止，另一端连接到LED。这允许将光源LED安装在远离流管的电路板上，能更经济而实用地封装。在一个实施例中，光纤管34被顶部插塞38包围，该顶部插塞具有与丙烯酸单元的顶部开口匹配的螺纹装配部。在一个实施例中，在顶部插塞38和丙烯酸单元顶部处的开口之间定位有O-环或垫圈36。小的O-环或垫圈37被定位在顶部插塞38上方。在一个实施例中，采用以硅树脂为基的粘合密封胶完全覆盖O-环或垫圈37和光纤管34周围两者接触之处，以确保将光纤管34固定地装配到顶部插塞38。在一个实施例中，以硅树脂为基的粘合密封胶不应延伸超过顶部插塞38表面上方8毫米。
图5示出了全部组装好的光纤光导管组件30。远距离安装的LED将光发射到光纤管34内，光纤管将光传递到透镜32，而透镜依次将光投射到筒管上，实现对所述筒管的上部半球的照明。
在一个实施例中，只在流量被施加到流管时才导通（turnon）LED。这可通过单独的电子机构来实现。在一个实施例中，这通过使用单独的电子流量传感器来实现，该传感器包括通过流量计的阻力测量压力上升的压力变换器。在另一实施例中，该机构可通过流量控制针阀上的开关来实现。这可确保当流量被施加时自动开启照明，而当流量终止时被自动截止照明，借此有助于防止流量系统被无意地通着。这种特点特别适用于麻醉中常使用的“辅助氧气流控制”装置，根据设计，该辅助氧气控制装置在麻醉系统关闭时不与氧气供应脱开。
回到图1，光增强型流管14包括可自由地来回移动于流管14的长度的筒管12。在一个实施例中，筒管12是大体球形的白色氧化铝陶瓷球。在一个实施例中，筒管的直径为1/4英寸。白色氧化铝陶瓷具有比传统部件更好的反射性能，结果能将光发散到球的整个上部半球之上。
图6的全貌图示出了与电子图形流量显示部分40邻近的被照明的筒管12从亮处到暗处过渡的情况。如图6所示，整个上部半球的照明导致亮处到暗处的线基本形成在筒管12的中部处，精确地处于使用者获取可视流量读数之处。因此，当LED通过光纤管传递光波并从透镜射出时，将使筒管的上部部分变得比筒管的下部部分亮，从而导致可用于准确识别水平面的基于不间断的（solid）光的某些可视界限。
图7为一个实施例的三维图，其中光增强型流管10被附联到麻醉机，邻近电子图形流量显示部分40。更具体地说，其具有在麻醉应用中使用流管设计作为备用或错误检查装置的优点。使用者期望在电子设备出现故障时使用机械装置且同时也作为对照图形显示不精确点（coarselyspot）检查读数的器件。丙烯酸单元的成角度的面的设计和选择白氧化铝陶瓷指示球作为筒管可提高本发明的效率。此外，成角度的丙烯酸单元表面的使用允许为使用者提供筒管的完整可视性，但不影响用于最佳表示图形用户界面所需的前面的几何形状。
图8为一个实施例的直列图，其中光增强型流管14被附联到麻醉机，邻近电子图形流量显示部分40。如图8所示，在一个实施例中，安装于电子图形流量显示部分40的侧边的光增强型流管14允许使用者同时读取电子显示部分和机械式筒管的数据。另外，从前方观察时被光增强型丙烯酸单元流管所占住的相对小的空间允许使用者注视图形显示部分而将机械读数作为备份。被照明了的筒管12表面上与由图形显示部分40提供的可视效果匹配，提供了新老技术的汇合。在一个实施例中，LED发出蓝色光，而最接近地与由图形显示部分40提供的可视效果匹配。
在另一实施例中，筒管是球状不锈钢球。当被用作筒管时，不锈钢球作为单点反射来自LED的光。
在再一实施例中，本发明的光增强型流管可被用于任何黑暗和/或恶劣的环境内，因此需要可读性增强的部件。另外，在黑暗和/或恶劣环境中使用光增强型流管使用者在一瞥之下就能估计流量水平。
在另一实施例中，本发明的光增强型流管可被用于需要在某一距离处读取流管读数的任何环境内。通过照明所导致的增强效果可给予使用者相对于流管的整个高度的相关读数更清晰的图像。
在又一实施例中，本发明的光增强型流管可被用于家常环境中。可用光增强型流管来提高炉子流量水平、空调流量水平、以及氡补救流管（从房屋地基下抽取）的可视效果。另外，这些装置往往处于黑暗的地下室内，因此也能从本发明所提供的可在黑暗环境中增强可视效果中获益。
在再一实施例中，可将本发明的光增强型流管用于工业环境中。能将本光增强型流管用于液体和气体两者的各类流体浮动应用中。这些环境也可以是黑暗和/或恶劣的，而使用者能从增强的光中获益。
在另一实施例中，可将本发明的光增强型流管用于化学应用中。在又一实施例中，可将本发明的光增强型流管用于研究应用。在再一实施例中，可将本发明的光增强型流管用于清洁的食品处理应用。
虽然本说明书公开了一些图示实施例和方法，显然，所属领域技术人员在不超出本发明构思和范围的前提下，可对前述公开内容进行各种变换和改型。因此，本发明应只受所附权利要求所要求保护的范围和实用法的章程和原则的限制。

Claims (15)

1.一种流体流量计量装置，包括：
包括封装有流管的丙烯酸单元的容器，该流管具有长度、底部和顶部，其中流管基本上从丙烯酸单元的底部延伸到基本上丙烯酸单元的顶部，并且所述流管在顶部较宽且在底部较窄，其中进口孔被定位在该流管的底部附近，其中具有密封装配件的开口被定位在该流管的顶部附近，且其中出口孔被定位在该流管的顶部附近，其中丙烯酸单元具有五侧并且所述容器包括至少一个倾斜面；
位于该流管内的筒管，所述筒管能够根据所施加的流体压力的量上下来回移动于流管的长度上，其中丙烯酸单元允许为用户通过筒管的完整可视性，并且所述容器包括邻近所述至少一个倾斜面的多条刻度线；及
光纤管，其用于引导来自光源的光进入密封装配件向下通过所述流管的顶部并引向所述筒管。
2.如权利要求1所述的流体流量计量装置，其中，所述筒管为球形。
3.如权利要求2所述的流体流量计量装置，其中，所述筒管具有反射性能。
4.如权利要求1所述的流体流量计量装置，其中，所述光纤管被固定地附联到邻近所述流管顶部定位的所述开口。
5.如权利要求1所述的流体流量计量装置，其中，所述光源包括位于远处的LED。
6.如权利要求5所述的流体流量计量装置，其中，所述LED由与导致流体流过所述流管的能源无关的能源供电。
7.如权利要求1所述的流体流量计量装置，其中，所述进口孔被配置成接收加压气体到所述流管中。
8.如权利要求7所述的流体流量计量装置，其中，所述出口孔被配置成能使所述加压气体离开所述流管。
9.如权利要求1所述的流体流量计量装置，其中，所述管为圆柱形。
10.如权利要求1所述的流体流量计量装置，其中，当流体流动时一机构自动开启所述光源。
11.如权利要求10所述的流体流量计量装置，其中，所述机构包括通过流量计的阻力测量压力上升的压力变换器。
12.如权利要求10所述的流体流量计量装置，其中，所述机构包括位于流量控制针阀上的开关。
13.如权利要求10所述的流体流量计量装置，其中，当流体被导引流过所述流管时，所述光纤管照亮所述筒管的上部半球。
14.如权利要求13所述的流体流量计量装置，其中，所述筒管是白色氧化铝陶瓷球。
15.如权利要求13所述的流体流量计量装置，其中，所述筒管是不锈钢球。
CN201080057413.3A 2009-10-16 2010-05-07 光增强型流管 Expired - Fee Related CN102667423B (zh)

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US9797764B2 (en) 2017-10-24
IN2012DN03108A (zh) 2015-09-18
MX2012004462A (es) 2012-06-27
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US20150107507A1 (en) 2015-04-23
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