CN115155247A - 紧凑型便携式氧气浓缩器 - Google Patents

紧凑型便携式氧气浓缩器 Download PDF

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Publication number
CN115155247A
CN115155247A CN202210712895.6A CN202210712895A CN115155247A CN 115155247 A CN115155247 A CN 115155247A CN 202210712895 A CN202210712895 A CN 202210712895A CN 115155247 A CN115155247 A CN 115155247A
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Prior art keywords
gas
air
concentrator
oxygen
ports
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Inventor
布伦顿·泰勒
皮特·汉森
帕特里克·伯吉斯
丹尼尔·金
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Enogen
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Enogen
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    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047Pressure swing adsorption
    • B01D53/053Pressure swing adsorption with storage or buffer vessel
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
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    • C01B13/02Preparation of oxygen
    • C01B13/0229Purification or separation processes
    • C01B13/0248Physical processing only
    • C01B13/0259Physical processing only by adsorption on solids
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    • F04B53/08Cooling; Heating; Preventing freezing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Abstract

本发明描述了便携式氧气浓缩器元件,其包括集成传感器/蓄能器组件、新型消声器设计以及改进的气流和内部气体连通性。这些元件的结果是一个极其紧凑、轻便可靠的便携式氧气浓缩器,该氧气浓缩器易于组装并且相对便宜。

Description

紧凑型便携式氧气浓缩器
本申请为分案申请,其原案申请是申请号为PCT/US2018/034800、申请日为2018年05月28日的PCT申请并且于2019年11月28日进入中国国家阶段,中国国家申请号为201880035601.2,发明名称为“紧凑型便携式氧气浓缩器”。
技术领域
本申请涉及个人使用的氧气浓缩器,特别涉及一种非常紧凑的便携式氧气浓缩器。
背景技术
为了治疗性目的提供富氧空气的氧气浓缩器作为液氧容器和压缩气瓶的替代品越来越受欢迎。这种个人氧气浓缩器以便携式的形式用于非卧床使用,以及以固定形式用于家中使用。为了便于需要治疗性氧气的患者日常使用,这种便携式浓缩器必须体积小、重量轻、效率高、可靠且相对便宜。这些相互矛盾的特性可能需要新的浓缩器设计方法。
发明内容
可提供一种便携式氧气浓缩器元件,其包括集成的传感器/蓄能器组件、新的消声器设计以及改进的气流和内部气体连通性。这些元件的结果是极其紧凑、轻便可靠的便携式氧气浓缩器,该氧气浓缩器易于组装且相对便宜。
在第一方面,可提供一种用于气体浓缩器的消声器,该消声器包括压敏气阀;以及由多孔材料制成的用于保持阀的壳体;其中,在打开位置,气流基本上通过阀的打开部分,在关闭位置,气流基本上被引导通过多孔壳体,以对由流动的气体产生的声音消声。
在第一方面的一个实施例中,多孔壳体可以由烧结材料制成。在第一方面的另一实施例中,多孔壳体可以由多个单独的流动通道或孔制成。在第一方面的一个实施例中,压敏元件可以是弹簧,并且压力闭合点可以由弹簧压缩力设定。在第一方面的另一实施例中,消声器可以布置在气体浓缩器的排气出口中。在第一方面的一个实施例中,在打开位置,阀的流量可以基本上不受限制。在第一方面的另一实施例中,阀密封件可由以下元件中的至少一个之一构成:球体、提升阀、面密封件。
在第二方面,可提供一种用于气体浓缩器中的内部气体连接的气体连接系统,该气体连接系统包括:被直线距离或径向距离隔开的两个对齐的气体端口;以及,柔性的线性连接器元件;其中,当两个端口和连接器元件组装在一起时,两个端口固定在浓缩器中,连接器元件由此连接端口。
在第二方面的一个实施例中,连接器元件可以由包括弹性管的柔性材料制成。在第二方面的另一实施例中,连接器元件可包含引入倒角或圆角之一以便于组装。在第二方面的一个实施例中,端口可以由至少一个倒钩构成。在第二方面的另一实施例中,倒钩边缘可以是圆角或倒角的一种,以便于移除管。
在第二方面的一个实施例中,两组分离的端口可以彼此平行地相邻设置,并且连接器元件可以是由包括弹性材料的柔性材料构成的公共元件。在第二方面的另一实施例中,柔性连接器元件可在两个端口之间提供隔振。在第二方面的一个实施例中,端口可以在长度重叠,并且端口之间的距离可以是径向的。在第二方面的另一实施例中,一个端口可以是可拆卸吸附剂床入口容器和可拆卸吸附剂床出口容器中的至少一个的至少一个端部,并且在另一端,端口与气体浓缩器的阀或气流歧管流体连通。
在第三方面,可以提供用于氧气浓缩器的组件,其包括:蓄能器;氧气传感器,其被设置成对引导到气体浓缩器的患者气体出口的气体进行采样;压力传感器,其被设置成对蓄能器中的气体进行采样;温度传感器,其被设置成对蓄能器中的气体进行采样;呼吸传感器,其被设置成对在气体浓缩器的患者气体出口处的气体进行采样;电子电路,以及通往传感器和蓄能器的气体端口;其中,传感器是组装到电子电路上或直接组装到包括蓄能器容积的主体中的至少一种;并且,该电路被组装到主体上,所述主体通过直接密封的气体或与传感器的电连接中的至少一种来实现。
在第三方面的一个实施例中,入口端口可以连接到浓缩器阀歧管系统。在第三方面的另一实施例中,该组件还可以包括作为电子电路的一部分的显示器或用户界面中的至少一个。在第三方面的一个实施例中,该组件还可以包括到患者气体路径的气体输出过滤器或套管连接件中的至少一个,以及从套管连接件到元件的相关联入口和出口。
在第四方面,可提供一种用于便携式氧气浓缩器的集成冷却系统,其中环境进气口被通过管道输送到浓缩器的外部;空气通过至少一个风扇或鼓风机在系统中流动;空气增流器的排出空气被引导到至少一个空气压缩机元件;空气增流器的排出空气被引导到至少一个空气压缩机进气连接系统的进气端口;冷却空气排放口集成在至少一个壳体面板中。
在第四方面的一个实施例中,空气增流器可以通过柔性构件附接到浓缩器。在第四方面的另一实施例中,压缩机进气口可以与压缩机的至少一个隔振支座流体连通。在第四方面的一个实施例中,空气压缩机的进气连接系统可以由至少一个大致90度的弯曲部和至少一个柔性管构件构成。在第四方面的另一实施例中,空气增流器的速度由机载微控制器控制。在第四方面的一个实施例中,空气增流器的速度可以基于至少一个系统温度测量值而改变。在第四方面的另一实施例中,系统温度测量可包括以下测量传感器中的至少一个:压缩机温度传感器、氧气温度传感器以及电路板温度传感器。
附图说明
结合附图,参考以下详细描述来描述本文提供的实施例的方面和优点。在整个附图中,附图标记可被重复使用以指示所引用的元件之间的对应关系。提供这些附图是为了说明本文所描述的示例性实施例,而无意于限制本公开的范围。
图1示出了示例性便携式氧气浓缩器的简化框图;
图2示出了示例性便携式氧气浓缩器的外部布局;
图3A、3B和3C示出了传感器/蓄能器块组件的说明性实施例的框图和物理布局;
图4A和4B示出了消声器的说明性实施例;
图5A、5B、5C和5D示出了气体互连元件的说明性实施例;
图6A、6B、6C、6D和6E示出了气体互连元件的替代说明性实施例;
图7示出了用于示例性浓缩器的内部空气流的说明性实施例。
具体实施方式
与工业用气体浓缩器、固定式家用设备相比,无论是小型便携式还是相对小型的,个人用治疗性氧气浓缩器越来越受欢迎。在共同待审的申请号为151427948的美国申请中描述了小型便携式个人使用浓缩器,该申请被转让给本申请的同一受让人并通过引用将其整体并入本文,并在其中描述了这种浓缩器的操作和使用。这种浓缩器由于其体积小和预期的个人使用,与旨在生产大量浓缩气体的大型工业浓缩器具有不同的设计考虑。例如,在说明性实施例中,根据本公开的便携式浓缩器的尺寸可以约为100至300立方英寸,重量为2至7磅,并且可以产生600至1300ml/min的浓缩氧气。
图1示出了示例性便携式氧气浓缩器100的组件和连接。空气通过进气口1进入气体浓缩器以对系统进行冷却,并向气体分离系统提供环境空气以供进气并排出富氮废气。这种空气移动可由位于进气通道、排气通道或空气通道中央的风扇或鼓风机提供。为了获得适当的空气流量和冷却,最好利用40mm×40mm至100mm×100mm范围内的风扇或鼓风机。在一些实施例中,还可以采用不同尺寸和位置的多个风扇来优化气流和最小化噪声。
在某些实施例中,气体分离系统采用压力、真空或其组合。环境空气由压缩机2通过过滤器和细长或曲折的空气路径吸入到进气口,以最大程度地减少由压缩机引起的噪声逸出。压缩机2可以由采用压力的多缸往复式活塞压缩机或压力缸和真空缸的组合构成,但也可以由包括涡旋式、线性自由活塞式、旋转叶片式、旋转螺杆式或隔膜式压缩机的多种类型的压缩机构成。
在最高3bar的压力下产生的压缩空气以每LPM氧气约5SLPM至15SLPM的速率从压缩机2排出。压缩空气通过可容纳在进气/排气歧管中的一个或更多个阀9被引导至两个或更多个吸附剂床3之一。进气/排气阀的结构因实施例而变化,并且可由一个或更多个电磁阀、空气先导阀、旋转阀、凸轮致动阀或隔膜阀构成。进气/排气阀可以与压缩机、吸附剂床和其他结构柔性部件分离,以最大程度地减少阀发出的噪声。阀流体路径可以与柔性构件连接以实现适当程度的机械隔离,并且歧管或阀安装件还与其他部件隔离。进气/排气阀9另外将来自吸附剂床的废气氮气引导至变压吸附系统中的消音器或真空或变压真空系统中的真空泵。
在一些实施例中,吸附剂床3被设计为可移动和可更换的,如以上结合参考文献中所述。吸附剂床可包含至少一个吸附剂层,该吸附剂层用于去除水和二氧化碳,以防止污染主层吸附剂。在一些实施例中,该材料可以包括干燥剂,例如活性氧化铝或硅胶。在替代实施例中,预处理层可包含钠或锂交换的沸石。主层吸附剂用于分离氮和氧,并且可以是锂交换的沸石材料。在一个实施例中,氮气保留在吸附剂床中,而氧气则允许通过吸附剂床进入产品阀10或产品阀歧管。
产品阀歧管10可包括电磁阀、止回阀和孔口中的一个或更多个,以控制气体流量。产品歧管连接到吸附剂床,并且可以与吸附剂床和其他结构部件分离,以最大程度地减少阀与系统中其他部件之间的噪声传输和振动。
在一个实施例中,氧气从产品歧管10流向集成组件,其被引导至产品气体存储装置4、氧气浓度测量、氧气压力感测以及氧气过滤和氧气输送,即保存装置7。在一个实施例中,集成组件包含用于各种功能的多个压力传感器11,这些功能包括环境压力感测,氧气压力测量以及呼吸压力或套管压力测量。
气体浓缩器的控制由可编程控制器5实现。气体浓缩器还包含用户界面8,该用户界面由一个或更多个按钮构成,以控制电源状态、氧气流速和附加功能。
其他实施例另外包括LCD显示器,至少一个充电式电池和集成的氧气保存设备,以在患者开始吸气时同步地输送氧气以维持临床功效,同时将输送给患者的氧气量减少约2:1至9:1。
图2示出了示例性便携式氧气浓缩器100的外部。空气流进入进气口筛网1,并按说明流向可移动的吸附性床3和排气口13,气体浓缩器由电池12供电,由用户界面8和氧气输出14控制。气体浓缩器的部件包含在壳体元件101内,该壳体元件形成空气流动路径、管道和通风路径的一部分。
图2的实施例被设计成由氧患者携带以在移动期间供氧,从而其被设计成最小化尺寸和重量,同时最大化电池寿命和氧气输出。尺寸可小于约125立方厘米,重量小于约3磅,氧气输出大于约630ml/min。示例性浓缩器的氧气输出实际上大于约1.7(ml/min氧气)/(cm^*lbs)。这种按尺寸和重量优化的氧气输出量可扩展以使得需要更高氧气输送率的患者达到更高的氧气流速,而尺寸和重量却成比例增加。
图3A表示通过集成的传感器块组件300的实施例的气流。氧气从吸附剂床流入产品阀歧管310、过滤器320并经由套管395输送至患者,或作为净化气体供应至吸附剂床。蓄能器350用于缓冲PSA/VSA或其他循环与来自系统的氧气需求之间的氧气的产生和输送。变压吸附系统由微控制器利用来自蓄能器压力传感器340的输入来控制,以控制压缩机速度和阀定时以维持目标压力比和操作参数。给患者的氧气输送也由微控制器控制,并取决于来自呼吸检测传感器370的输入以监测患者的呼吸速率和吸气开始。向患者正确输送氧气的确定利用环境压力传感器380来针对环境压力状况校正推注输送。通过氧气传感器360和氧气温度传感器390监测氧气浓度。温度传感器可以位于氧气传感器360内或其附近的氧气流路径内,或者位于蓄能器350中,或者位于从电路板335或其他适当位置获取相关的温度读数的位置。传感器数据和信号由微控制器处理和使用,以在广泛的环境条件、所需的流速下保持适当的氧气产生和输送,并补偿设备寿命期间系统的变化。
图3B示出了集成传感器块组件300的特定实施例。
在一个实施例中,氧气存储阀是产品歧管的元件。在该实施例中,当氧气在产生后通过产品歧管时可以在产品歧管和传感器块组件之间双向流动,然后通过氧气存储阀、氧气传感器和套管过滤器组件输送给患者。也可以选择存储阀的位置以使氧气输送完全位于传感器块组件300内。
图3C是针对集成传感器组件300的实施例。组件的容积用作氧气储能器350,由端口355供给,在此存储氧气以缓冲压力吸附系统的产生和输送需求以及可变的患者呼吸速率和设备输出的流量设置。在该实施例中,压力传感器340、370和温度传感器390以及LCD显示器330安装在电路板335上,其中,在传感器与组件之间直接气动连接,以及在电路板与压力传感器之间直接电气连接。
套管输出连接380直接附接到传感器组件300,并且另外包含过滤器元件,以防止任何污染物或微粒被输送给患者。
氧气传感器360端口365设计成集成组件,并包含与产品歧管的输入和输出连接,该产品歧管直接与电路板配合,以测量氧气的浓度。氧气传感器360和其他传感器的集成消除了这些部件之间需要多个气动连接和管道的情况,其中每个连接点都会存在随着时间推移出现组装缺陷和泄漏的风险。此外,电路板335和LCD显示器330的集成消除了对大量电线和连接器的需要,因为所有信号和数据能够通过一个公共连接传输到微控制器。消除这些单独的连接器和电线减少了成本、组装时间以及最终产品中出现缺陷的风险。
图4A和4B示出了排气口消声器410的示例性实施例。消声器是压力响应系统,其包含阀420,该阀根据流经它的气体流量而打开和关闭。
在示例性实施例中,消声器主体430是烧结材料,例如低密度聚乙烯(LDPE)或青铜。所示的阀420由弹簧和球体构成,其中在放气步骤期间从吸附剂床释放的高流量富氮气体关闭了该阀,如图4B所示,以迫使气体通过烧结材料以降低排气噪声。当大量气流消散时,弹簧将阀返回到图4A所示的打开状态,并且允许低流速的净化气体直接从消声器中流出,而基本上不通过烧结材料。这种开放的流动路径防止吸附剂床上的背压,并最大限度地提高吸附材料的净化和再生效率。
在替代实施例中,消声器材料可由穿孔材料、孔口、网状材料、毡材料或其他适当材料或设计构成,以控制阀关闭时的放气速率和氮气释放速率。另外,压力响应阀可以由提升阀、隔膜、挡板或其他合适的阀设计构成。替代实施例可将压力响应元件和阀密封件组合成一个元件,例如具有固有弹簧力的模制弹性阀。
图5A、5B、5C和5D示出了将吸附剂床容器连接到进气/排气歧管的可拆卸气体连接器系统的示例性实施例的视图。每个配件510具有:扭锁机构530以连接到壳体组件101的底盘部分、与吸附床容器相配合的径向密封机构以及便于拆卸管的倒钩端560,并且另外包含一个止动块,确保管520在每个组件上组装到相同的深度,以减少最终产品的可变性和泄漏风险。
管520可以是由诸如硅树脂、氟橡胶、EPDM或橡胶等材料制成的模制弹性管。该管可以可选地在内径上具有倒角540或圆角,以利于安装到倒钩或配件上。该管还可以可选地具有加厚的端部550,该端部550确保该管在不扭结的情况下推到倒钩上,并且在不增加整个管的刚度和振动耦合的情况下增加径向膨胀的附加阻力。
在典型的管与倒钩连接中,管与倒钩接口至少有两个作用:气动或液压耦合以及由于倒钩的锐利固定边缘与管发生干涉时产生的机械保持力。这种连接方法允许在气动部件之间进行快速、低成本的连接。然而,考虑到管子与倒钩之间的机械干涉设计,这些管通常很难安装,并且通常很难拆卸,如果需要从倒钩上拆卸,则通常需要破坏该管。图5B示出了完全组装的气体连接器系统,其中管520被约束在每个远端,以防止管从倒钩上分离,并在两个端口与管之间提供精确的组装距离。管的固定端允许管到达倒钩或配合设计,其不需要对倒钩提供机械保持力,以抵抗管内的压力,如果管是由低硬度材料或薄壁设计模制而成的,或对倒钩没有防止其脱落的强大的机械干涉,通常会导致管脱落。管的径向尺寸必须足够坚固,以防止因加厚端部550膨胀或柔性管部520破裂而引起泄漏。这是由在其最大直径的倒钩边缘处的圆角改进的,在那里它会干涉管,通常会接合管以进行机械保持。
组装时,配件510的端口固定在适当的位置,以便管在两个机械元件之间建立柔性的连接,但不会导致组装的变化或需要的管的布线。
图5C是指向倒钩连接器和端口的固定位置的气体连接器系统的附加示例。图5D示出了这种气体连接器系统的另一示例。在该示例中,一个端口位于气体浓缩器的进气/排气歧管上,以及另一个端口是连接到吸附器容器的配件。柔性管520防止由电磁阀的切换产生的噪声和振动。进气/排气歧管为管与倒钩的连接提供机械支撑,并通过橡胶索环固定到壳体组件101的底盘部件上的立柱上。
图6A、6B、6C、6D和6E示出了气体连接器系统的示例性实施例的视图,该气体连接器系统设计用于将产品端阀歧管连接到集成传感器组件,但可以替代地用于气体浓缩器内的各种其他内部气体连接中。
图6A示出了气体连接器系统的示例性分解图,该气体连接器系统包括并排的两个气体连接件和共同的柔性密封元件。
一个端口610包括倒钩连接,而另一连接器是直径较小的直端口,其允许端口在长度上重叠以最小化元件610之间的空间,同时仍允许元件以径向距离隔开以提供柔性的连接,从而最大程度地减少元件之间的噪声和振动传输。
图6B示出了组装时气体连接器系统的示例性实施例,并示出了公共柔性构件620的重叠的端口长度和捕获端。
柔性公共构件620可以由柔性弹性材料,例如硅树脂、氟橡胶、EPDM或橡胶构成。柔性构件还可以包含引入倒角或圆角630,并且具有在端口元件610之间捕获的端部,从而使得在组装后管不能脱落,并且还确保所有部件的可重复位置。
图6C示出了替代示例,而图6D和6E示出了示例气体连接器,其中连接的一端是连接到集成传感器块组件300,另一端连接到产品阀歧管。
图7示出了通过示例性浓缩器100的气流。空气通过风扇720的进气侧的管道进气口710进入。环境空气通过风扇并以正压排放,其中,风扇排出空气的一部分被引导至附加的管道,该管道将空气引入到压缩机进气过滤器730,其中,该空气通过过滤介质进行过滤,并通过柔性振动支座和进气口740被引导至压缩机2。
风扇排出的空气的另一部分没有被引导到压缩机入口,该空气穿过压缩机2的外部,然后向下通过出气口750。
风扇排出的空气可以被引导到在一个实施例中描述的往复式活塞压缩机的气缸,以保持对在气缸内移动的活塞密封件的有益冷却。空气增流器的速度可基于压缩机速度、蓄能器压力或速度或压力和/或温度的任何组合而变化。风扇的排放速率可以与压缩机的工作量成比例地控制,如通过测量的速度、压力或功率。可通过热敏电阻或反射式温度测量来直接测量压缩机温度。替代地或附加地。可以使用浓缩器环境温度,压缩机周围或浓缩器其他位置的环境温度或输出气体温度。在保持可接受的声级的同时,产生有益的压缩机效率或密封件或轴承寿命的温度目标值,或其任何组合可存储在微控制器中。基于上述任何值的各种阈值,将离散级的风扇速度存储在查找表中。或者,可以实现方程式或比例-积分-微分控制环。
这里描述的实施例是示例性的。可以对这些实施例进行修改、重新布置、替代过程、替代元件等,并且仍然包含在本文所述的技术中。本文所描述的一个或更多个过程可以由一个或更多个适当编程的过程和/或数字设备来执行。
结合本文公开的实施例描述的各种说明性过程、数据显示和用户界面可以实现为电子硬件、计算机软件或两者的组合。为了清楚地说明硬件和软件的这种可互换性,上文已大体上根据其功能性描述了各种说明性部件、块和模块。将这种功能性实现为硬件还是软件取决于对整个系统施加的特定应用和设计约束。所描述的功能能够针对每个特定应用以不同的方式来实现,但是这种实现决策不应被解释为导致偏离本公开的范围。
结合本文公开的实施例描述的各种说明性逻辑块和模块能够由机器来实现或执行,例如配置有专用指令的处理器、数字信号处理器(DSP)、专用集成电路(ASIC),现场可编程门阵列(FPGA)或其他可编程逻辑设备、分立门或晶体管逻辑、分立硬件部件或其任何组合,其设计用于执行本文所述功能。处理器能够是微处理器,但是可替代地,处理器能够是控制器、微控制器或状态机、它们的组合等。处理器还能够被实现为计算设备的组合,例如,DSP和微处理器的组合、多个微处理器、一个或更多个微处理器与DSP核心的结合,或任何其它这样的配置。
本文公开的实施例的元件能够直接体现在硬件中、体现在由处理器执行的软件模块中或体现在两者的组合中。软件模块能够载入到RAM存储器、闪存、ROM存储器、EPROM存储器、EEPROM存储器、寄存器、硬盘、可移动磁盘、CD-ROM或本领域已知的任何其他形式的计算机可读存储介质中。示例性存储介质能够耦合到处理器,使得处理器能够从该存储介质读取信息,并向存储介质写入信息。或者,存储介质能够集成在处理器中。处理器和存储介质能够驻留在ASIC中。软件模块能够包括使硬件处理器执行计算机可执行指令的计算机可执行指令。
除非另有明确说明或在所使用的上下文中另外理解,否则本文使用的条件语言,例如,“能够”、“可能”、“可以”、“例如”等,通常旨在传达某些实施例包括而其他实施例不包括某些功能、元素和/或状态。因此,这样的条件语言通常不旨在暗示一个或更多个实施例以任何方式需要特征、元素和/或状态,或者一个或更多个实施例必须包括用于在有或无作者输入或提示的情况下,确定在任何特定实施例中是否包括或将要执行这些特征、元素和/或状态的逻辑。术语“包括”、“包含”、“具有”、“涉及”等是同义词,并且并以开放式方式广泛使用,并且不排除附加的元素、特征、动作、操作等。此外,术语“或”以其包含的意义上使用(而不是以其排他的意义使用),因此,例如,当用于连接元素列表时,术语“或”是指列表中的一个、一些或所有元素。
除非另有明确说明,否则诸如短语“X、Y或Z中的至少一个”之类的析取语言结合上下文应理解为通常用于表示条目、术语等可以是X、Y或Z,或其任何组合(如X、Y和/或Z)。因此,这种析取语言通常不旨在且不应暗示某些实施例要求存在X中的至少一个、Y中的至少一个或Z中的至少一个。
术语“约”或“近似”等是同义词,并且用来表示由术语修饰的值具有与之相关联的可理解范围,其中范围可为±20%、±15%、±10%、±5%或±1%。术语“基本上”用于表示结果(例如,测量值)接近目标值,其中,接近能够表示,例如,结果在目标值的80%之内、目标值的90%之内、目标值的95%之内或目标值的99%之内。
除非另有明确说明,否则“一”或“一个”这种冠词一般应解释为包括一个或多个所述条目。因此,诸如“一个设备被配置为”之类的短语旨在包括一个或更多个所陈述的设备。这样的一个或更多个所陈述的设备也能够被共同地配置来执行所述的陈述。例如,“配置为执行所陈述的A、B和C的处理器”能够包括配置为执行所陈述的A的第一处理器,其与配置为执行所陈述的B和C的第二处理器一起工作。
虽然上述详细描述已经示出、描述并指出了应用于说明性实施例的新颖特征,但是应当理解,在不脱离本公开的精神的情况下能够对所示设备的形式和细节进行各种省略、替换和改变。如将要认识到的,本文所描述的某些实施例能够以不提供本文所述的所有特征和优点的形式来实施,因为某些特征能够与其他特征分开使用或实践。在权利要求的同等含义和范围内发生的所有变化都应包含在其范围内。

Claims (21)

1.一种用于气体浓缩器中的内部气体连接的气体连接系统,包括:
被直线距离或径向距离中的至少一种隔开的两个对齐的气体端口;和
柔性的连接器元件;
其中,当所述两个端口和连接器元件组装在一起时,所述两个端口固定在浓缩器中,连接器元件由此连接端口。
2.根据权利要求1所述的气体连接系统,其中,所述连接器元件由包括弹性管的柔性材料制成。
3.根据权利要求1所述的气体连接系统,其中,所述连接器元件包含引入倒角或圆角的一种以便于组装。
4.根据权利要求1所述的气体连接系统,其中,所述端口由至少一个倒钩构成。
5.根据权利要求4所述的气体连接系统,其中,所述倒钩边缘是圆角或倒角的一种以便于移除管。
6.根据权利要求1所述的气体连接系统,其中,两组隔开的端口彼此平行地相邻设置,并且连接器元件是由包含弹性材料的柔性材料构成的公共元件。
7.根据权利要求1所述的气体连接系统,其中,所述柔性连接器元件在两个端口之间提供隔振。
8.根据权利要求1所述的气体连接系统,其中,所述端口在长度上重叠并且所述端口之间的距离是径向的。
9.根据权利要求1所述的气体连接系统,其中,一个端口是可拆卸吸附剂床入口容器和可拆卸吸附剂床出口容器中的至少一个的至少一个端部,并且在另一端,端口与气体浓缩器的阀或气流歧管流体连通。
10.一种氧气浓缩器组件,包括:
蓄能器;
氧气传感器,其被设置成对引导到气体浓缩器的患者气体出口的气体进行采样;
压力传感器,其被设置成对蓄能器中的气体进行采样;
呼吸传感器,其被设置成对气体浓缩器的患者气体出口处的气体进行采样;
电子电路,和,
通往传感器和蓄能器的气体端口;
其中,所述传感器是组装到电子电路上或直接组装到包括蓄能器容积的主体中的至少一种;并且,
所述电路被组装到所述主体上,其通过直接密封的气体或与传感器的电连接中的至少一种来实现。
11.根据权利要求10所述的组件,其中,所述入口端口可连接到浓缩器阀歧管系统。
12.根据权利要求10所述的组件,还包括作为所述电子电路的一部分的显示器或用户界面中的至少一个。
13.根据权利要求10所述的组件,还包括到患者气体路径的气体输出过滤器或套管连接件中的至少一个,以及从套管连接件到元件的相关联入口和出口。
14.根据权利要求11所述的组件,还包括温度传感器,所述温度传感器设置成对蓄能器中的气体进行采样。
15.一种用于便携式氧气浓缩器的集成冷却系统,其中:
环境进气口被通过管道输送到浓缩器的外部;
空气通过至少一个风扇或鼓风机在系统中流动;
空气增流器的排出空气被引导到至少一个空气压缩机元件上;
空气增流器的排出空气被引导到至少一个空气压缩机进气连接系统的进气端口;以及
冷却空气排放口集成在至少一个壳体面板中。
16.根据权利要求15所述的集成冷却系统,其中,所述空气增流器通过柔性构件附接到浓缩器。
17.根据权利要求15所述的集成冷却系统,其中,所述压缩机进气口与所述压缩机的至少一个隔振支座流体连通。
18.根据权利要求15所述的集成冷却系统,其中,所述空气压缩机的进气连接系统由至少一个大致90度的弯曲部和至少一个柔性管构件构成。
19.根据权利要求15所述的集成冷却系统,其中,所述空气增流器的速度由机载微控制器控制。
20.根据权利要求19所述的集成冷却系统,其中,所述空气增流器的速度基于至少一个系统温度测量而改变。
21.根据权利要求20所述的集成冷却系统,其中,所述系统温度测量包括以下传感器中的至少一个:
压缩机温度传感器;
氧气温度传感器;和,
电路板温度传感器。
CN202210712895.6A 2017-05-30 2018-05-28 紧凑型便携式氧气浓缩器 Pending CN115155247A (zh)

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