CN101489460A - 旋风分离装置 - Google Patents

旋风分离装置 Download PDF

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CN101489460A
CN101489460A CNA2007800272451A CN200780027245A CN101489460A CN 101489460 A CN101489460 A CN 101489460A CN A2007800272451 A CNA2007800272451 A CN A2007800272451A CN 200780027245 A CN200780027245 A CN 200780027245A CN 101489460 A CN101489460 A CN 101489460A
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cyclone
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flange
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里卡多·戈米西亚格-佩雷达
本杰明·J·斯特拉特
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Dyson Technology Ltd
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
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    • A47L5/24—Hand-supported suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
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    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
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    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
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    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
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    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
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    • A47L9/1625—Multiple arrangement thereof for series flow
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
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    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1691—Mounting or coupling means for cyclonic chamber or dust receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/08—Vortex chamber constructions
    • B04C5/10—Vortex chamber constructions with perforated walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/08—Vortex chamber constructions
    • B04C5/103—Bodies or members, e.g. bulkheads, guides, in the vortex chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
    • B04C5/13—Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamber; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
    • B04C5/185—Dust collectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/24—Multiple arrangement thereof
    • B04C5/26—Multiple arrangement thereof for series flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B04C2009/002—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with external filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/03—Vacuum cleaner

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
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  • Filters For Electric Vacuum Cleaners (AREA)
  • Cyclones (AREA)
  • Electric Suction Cleaners (AREA)

Abstract

本发明提供一种旋风分离装置(100)，用于从携带灰尘的气流分离颗粒，该装置包括用于从携带灰尘的气流分离和收集灰尘的旋风器(102)，该旋风器(102)具有空气入口(110)、空气出口(126)、纵向轴线(X－X)和壁(104)，该壁包括第一部分(106)和比该第一部分(106)更离开该纵向轴线(X－X)的第二部分(108)，该第一和第二部分(106，108)被轴向地沿该纵向轴线(X－X)隔开。该旋风器(102)还包括至少一个凸缘(114)，该凸缘从该壁(104)的第一部分(106)延伸到由该壁(104)的第二部分(108)环绕的旋风器(102)的部分内。通过为旋风器(102)设置具有不同尺寸的两部分的壁(104)和从较小尺寸的部分(106)延伸到较大尺寸的部分(108)的凸缘(114)，由于旋风分离装置(100)内的灰尘的再飞散和运动造成的阻塞的危险被降低。

Description

旋风分离装置
技术领域
本发明涉及旋风分离装置，其特别用于但不专门用于真空吸尘器。更具体地说本发明涉及用于手持式真空吸尘器
背景技术
旋风分离装置可从例如EP0042723获知。该文献公开了一种真空吸尘器，其利用反流旋风器(reverse flow cyclone)从空气流中分离颗粒。该旋风器包括第一低效旋风器和第一旋风器下游的第二高效旋风器。携带脏物和灰尘的空气穿过入口进入第一旋风器且沿着第一旋风器的内部周围的向下的螺旋路径行进。离心力作用在携带的灰尘上，以将其从气流分离。当从气流分离后，灰尘聚集在第一旋风器的底部。到达第一旋风器的底部后，气流倒转方向。部分清洁的气流向上移动返回第一旋风器且通过出口离开第一旋风器。通常在第一旋风器的出口设置所谓的罩。该罩包括壁，该壁具有大量穿过该罩的通孔，气流穿过该通孔以到达第二旋风器。空气然后进入第二旋风器且沿着螺旋路径在第二旋风器内部行进。较小的颗粒被以类似于第一旋风器的方式从气流中分离且被沉积在位于第二旋风器之下的收集器。清洁的空气然后向上流回第二旋风器的内部且在排出真空吸尘器之前相继穿过马达前过滤器、马达和马达后过滤器。
偶然地，在该配置中，有些已经从气流分离的灰尘被重新夹带在返回气流中。这不是所期望的，因为灰尘可导致旋风分离装置的某些零件阻塞，例如罩的通孔。阻塞罩的通孔将会减小旋风分离装置的操作效率。
为了改善罩上游的第一旋风器中的灰尘的滞留，已知的是为罩设置突出到第一旋风器中的凸缘。这样的凸缘的例子在EP0800359中示出和描述。该凸缘减小罩通孔被阻塞和封闭的危险。
但是，该方案在对于基本上垂直朝向的旋风分离装置(例如立式机)有用的同时，其对于不是垂直朝向的旋风分离装置则效率较低。这样的情形可出现在例如当旋风分离装置被设置成与旋风器的垂直方向成角度时或当该旋风器形成由用户把持成任意角度的手持真空吸尘器的部分时。在这些状况下，存在分离的灰尘朝向第一旋风器的出口移动的危险。这不是所期望的，因为灰尘可阻塞罩的通孔或入口。
已知的是在旋风器的壁上设置向内延伸的凸起。EP0728435和GB2363744都示出了一种位于这样的旋风器的内表面的下部周围的向内突出的环状圈或肋。在这两个现有技术的公开中，其教导这些特征有助于防止灰尘重新夹带在已部分清洁的气流中。但是，例如旋风器的内壁上的向内突出的肋或圈这样的元件的引入还带来了不想要的作用。例如，这些元件可在旋风器中产生湍流，其可以以不期望的方式干扰灰尘的沉淀。而且，这些元件的引入可减少旋风器的分离效率。
发明内容
本发明的目的是提供一种旋风分离装置，其减少了已经从气流分离的脏物和灰尘重新飞散的风险，同时最小化对旋风分离装置的分离效率的不利影响。另一目的是提供一种旋风器，其最小化了当旋风分离装置被移动离开垂直朝向时已经从气流分离的灰尘再飞散的风险。
本发明提供一种用于从携带脏物和灰尘的气流分离颗粒的旋风分离装置，包括从携带脏物和灰尘的气流分离和收集脏物和灰尘的旋风器，该旋风器具有空气入口、空气出口、纵向轴线和壁，该壁包括第一部分和第二部分，该第二部分比第一部分更远地与纵向轴线间隔开，该第一和第二部分沿纵向轴线轴向地间隔开，其中该旋风器还包括至少一个从壁的第一部分延伸到旋风器的由壁的第二部分环绕的部分内的凸缘。通过为旋风器设置壁，该壁具有不同尺寸的两个部分和从较小部分延伸到较大部分内的凸缘，由于旋风分离装置中的脏物和灰尘的再飞散和移动导致的阻塞的危险被降低。
优选地，旋风器的第一部分是圆柱形的且具有第一半径。更优选地，旋风器的第二部分的至少部分是圆柱形的且具有第二半径。
优选地，凸缘形成壁的第一部分的基本上直的延伸部。该配置最小化了凸缘突出到气流中，同时还减少了旋风分离装置中已分离的灰尘再飞散的危险。
优选地，旋风分离装置包括至少一个其它旋风器和收集器，其位于出口的下游，该至少一个其它旋风器被设置以把分离的灰尘沉淀到收集器内。更优选地，收集器具有纵向轴线、壁和至少一个其它凸缘，该凸缘从收集器的壁延伸到收集器内。通过设置从收集器的壁延伸的凸缘，沉淀在收集器内的细微灰尘在飞散和迁移的危险被降低。
附图说明
本发明的实施例将参考附图予以说明，其中：
图1示出了包括根据本发明的第一实施例的旋风分离装置的手持真空吸尘器；
图2是从图1的手持真空吸尘器的旋风分离装置的纵向轴线截取的截面；
图3是图1的手持真空吸尘器的旋风分离装置的横截面；
图4至11是根据本发明的旋风分离装置的部分的替换实施例的示意图。
具体实施方式
图1示出了手持真空吸尘器10。手持真空吸尘器10具有主体12，其承装马达和风扇单元(未示出)。主体12还包括电源14例如电池。手柄16设置在主体12上以在使用时操作手持真空吸尘器。旋风分离装置100连接到主体12。入口管18从旋风分离装置100的远离主体12的部分延伸。脏空气入口20形成在入口管18的末端。刷子工具22可滑动地安装在入口管18的末端。一组排风口24设置在主体12上，以从手持真空吸尘器10排出空气。
形成为手持真空吸尘器10的部分的旋风分离装置100在图2和3中详细示出。该旋风分离装置100包括旋风器102，其具有纵向轴线X-X和壁104。壁104包括第一部分106和第二部分108。入口110形成在壁104上且被设置为使得壁104的第一部分位于入口110和壁104的第二部分108之间。入口110与脏空气入口20相通且形成入口管18和旋风器102的内部之间的通路。空气入口110被与旋风器102相切地设置，以使得进入的空气被强制沿着绕旋风器102内部的螺旋路径行进。
壁104的第一部分106是基本上圆柱形的且为两件式的。这使得这两件可被分离，以清洁旋风器102的内部。然而，这对本发明来说并不是实质性的。壁104的第二部分108比壁104的第一部分106进一步离开纵向轴线X-X。壁104的第二部分包括肩部112和圆柱部113。凸缘114从壁104的第一部分延伸到由旋风器102的壁104的第二部分环绕的空间内。凸缘114形成壁104的第一部分的基本上直的延伸部。凸缘114的作用在后文说明。
基部116封闭旋风器102的一个端部。基部116通过铰链装置枢转地安装在壁104的第二部分108的下端。基部116通过卡钩120被保持在关闭位置(见图1至3)。
罩121位于旋风器102的壁104的内部。罩121包括具有多个通孔123的圆柱壁122。罩121环绕旋风器102的出口124。出口124在旋风器102和其它旋风器组件126之间提供通路。凸缘128设置在罩121的底部。凸缘128具有多个通孔，其设计用于允许空气穿过但是能捕获脏物和灰尘。
其它旋风器组件126包括并行设置的多个其它旋风器130，在本例中，设置有六个其它旋风器130。每个其它旋风器130具有切向设置的空气入口132和出口134。每个空气入口132和空气出口134都位于各个其它旋风器130的第一端。锥形开口136位于每个其它旋风器130的第二端。每个其它旋风器130的锥形开口136相对于相应其它旋风器130的纵向轴线(未示出)倾斜，如图3所示。每个其它旋风器130的锥形开口136与罩121内部的壁130限定的通道138相通。
收集器142位于通道138的下端。收集器142包括截头锥形第一部分144和圆柱形第二部分146。收集器142的内部被基部116以及收集器142的第一和第二部分144、146的侧部环绕。
其它凸缘148延伸到收集器142的被圆柱形第二部分146环绕的部分内。该其它凸缘148包括截头锥形部分148a和圆柱形部分148b，该圆柱形部分基本上平行于收集器142的第二部分146的侧部延伸。该其它凸缘148的作用在下文说明。
其它旋风器130的每个出口134都与管150相通。管150提供从旋风分离装置100到手持真空吸尘器10的其它部分的气流路径。位于管150的下游端的是马达前过滤器152。马达前过滤器152包括多孔性材料如泡沫。
在使用时，马达和风扇单元把携带灰尘的空气抽到脏空气入口20内，穿过入口管18且进入旋风分离装置100。携带灰尘的空气穿过入口110进入旋风分离装置100。由于入口110的切向设置，气流被强制沿着绕壁104内部的螺旋路径行进。较大的灰尘颗粒被绕壁104的旋流运动分离。这些颗粒然后收集在旋风器102的基部116。较大的颗粒的分离发生在由旋风器102的被壁104的第一部分环绕的区域以及旋风器102的被凸缘114环绕的区域。分离的颗粒聚集在旋风器102的被壁104的第二部分108环绕的部分。
已部分清洁的气流然后向上流回到旋风器102的内部且经由罩121上的通孔离开旋风器102。一旦气流穿过罩121，其进入出口124且从那里在每个其它旋风器130的切向入口132之间被分割。每个其它旋风器130都具有比旋风器102的小的直径。因此，其它旋风器130能比旋风器102从已部分清洁的气流中分离更小的灰尘颗粒。分离的灰尘经由锥形开口136离开其它旋风器130。此后，分离的灰尘向下通过通道138且进入收集器142。分离的灰尘最终沉淀在收集器142的底部。
清洁的空气然后向上流回其它旋风器130，通过空气出口134离开其它旋风器130且进入管150。清洁的空气然后在从真空吸尘器10穿过排气口24排出之前从管150顺序穿过马达前过滤器152、马达和风扇单元和马达后过滤器。
这样，在使用时，手持真空吸尘器10将以各种方位把持。在使用时其可能甚至被颠倒。当旋风分离装置100被从垂直方向倾斜时，可能朝向入口110和罩121移动的较大比例的分离的灰尘被捕获在环状槽内，该环状槽由凸缘114和壁104的第二部分108形成。此外，上述槽的存在可对在旋风器102的下部中形成驻点和涡流有所辅助。这进一步防止已分离的灰尘再飞散进入回流的气流。
关于收集器142，槽形成在收集器142的第二部分146和其它凸缘148之间。当手持真空吸尘器10被从垂直方向倾斜时，该槽可防止可能阻塞锥形开口136或旋风器130的其它部分的部分灰尘重新进入通道138。
通过释放卡钩120以允许基部116绕铰链118枢转，以使得分离的灰尘从旋风分离装置100掉落，旋风器102和收集器142可被同时排空。
凸缘114和其它凸缘148可采取与第一实施例不同的结构或形状。图4至11示出了本发明范围内的八个其它替换结构的凸缘。在这些视图中，除了凸缘的总体形状和相连壁部分之外的细节都被省略。凸缘的这些结构可被用于旋风器的每个凸缘或用于收集器中的其它凸缘。
图4示出了本发明的第二实施例。在该实施例中，旋风分离装置200包括凸缘202，该凸缘从壁的第一部分204延伸到被壁的第二部分206环绕的区域内。凸缘202具有多个通孔，其允许空气穿过但是阻挡较大的灰尘颗粒。此外，凸缘202与上述凸缘114相同。
图5示出了本发明的第三实施例。在该实施例中，旋风分离装置250包括凸缘252，其从壁的截头锥形第一部分254延伸到被壁的第二部分256环绕的区域内。壁的第二部分256部分是截锥形的且部分是圆柱形的。
图6示出了本发明的第四实施例。在该实施例中(其未按比例示出)，旋风分离装置300具有纵向轴线X’-X’且包括凸缘302，该凸缘从壁的圆柱形第一部分304延伸到由壁的第二部分环绕的区域。凸缘302从壁的第一部分相对于纵向轴线X’-X’成角度地向内延伸。
图7示出了本发明的第五实施例。在该实施例中(其未按比例示出)，旋风分离装置350具有纵向轴线X”-X”且包括凸缘352，该凸缘从壁的圆柱形第一部分延伸到由壁的第二部分环绕的区域内。凸缘352从壁的第一部分相对于纵向轴线X”-X”成角度地向外延伸。
图8示出了本发明的第六实施例。在该实施例中，旋风分离装置400包括凸缘402，其从壁的圆柱形第一部分404延伸到由壁的第二部分406环绕的区域内。凸缘402包括两部分：第一部分形成壁的第一部分404的基本上直的延伸部，而第二部分形成与第一部分成直角的向内延伸的环状部分。
图9示出了本发明的第七实施例。在该实施例中，旋风分离装置450包括凸缘452和壁的第一和第二部分454、456。该实施例除了环状部分向外延伸之外都与第六实施例相同。
图10示出了本发明的第八实施例。在该实施例中，旋风分离装置500包括凸缘502，该凸缘从壁的圆柱形第一部分504延伸到由壁的第二部分506环绕的区域内。凸缘502包括两部分：第一部分向内延伸，而第二部分平行于壁的第一部分504延伸。
图11示出了本发明的第九实施例。在该实施例中，旋风分离装置550包括壁的第一部分552，该部分具有圆柱形部分和环状部分。凸缘554从第一部分552的环状部分延伸到由壁的第二部分556环绕的区域内。
图4-11示出的配置是用于表示凸缘的数目、形状和结构都可变化。应理解，其它配置也是可能的。例如，其它旋风器组件可包括任意数量的旋风器。替换地，可不存在其它旋风器组件，而用过滤器或其它分离介质取代。
可不需要收集器或收集器上的凸缘。重要的是存在一个旋风器，其具有带不同尺寸的两部分的壁和从较小部分延伸到较大部分的凸缘。
上述实施例中的凸缘都绕旋风器的壁的整个圆周延伸。但是，不是必须这样的。凸缘可仅绕旋风器的壁的部分圆周延伸。替换地，可设置多个凸缘，其每个都部分地绕旋风器的壁的圆周延伸。
凸缘可延伸到由旋风器的壁的第二部分环绕的区域的较小部分，或替换地，凸缘可进一步延伸到旋风器内。可设置任意数量的凸缘，例如可设置多个同心凸缘。

Claims (17)

1.一种旋风分离装置，用于从携带脏物和灰尘的气流分离颗粒，该装置包括用于从携带脏物和灰尘的气流分离和收集脏物和灰尘的旋风器，该旋风器具有空气入口、空气出口、纵向轴线和壁(旋风分离发生在该壁上)，该壁包括第一部分和比该第一部分更远离该纵向轴线的第二部分，该第一和第二部分被沿该纵向轴线轴向地隔开，其中该旋风器还包括至少一个凸缘，该凸缘从该壁的第一部分延伸到由该壁的第二部分环绕的旋风器的部分内。
2.如权利要求1所述的旋风分离装置，其中所述壁的第一部分是圆柱形的且具有第一半径。
3.如权利要求1或2所述的旋风分离装置，其中所述壁的第二部分的至少部分是圆柱形的且具有第二半径。
4.如权利要求1、2或3所述的旋风分离装置，其中所述壁的第一部分位于所述空气入口和所述壁的第二部分之间。
5.如前述任一权利要求所述的旋风分离装置，其中所述至少一个凸缘具有穿过该凸缘的多个通孔。
6.如前述任一权利要求所述的旋风分离装置，其中所述至少一个凸缘形成所述壁的第一部分的基本上直的延伸部。
7.如权利要求1-5任一项所述的旋风分离装置，其中所述至少一个凸缘的末端比所述第一部分从所述纵向轴线间隔开更大的距离。
8.如权利要求1-5任一项所述的旋风分离装置，其中所述至少一个凸缘的末端比所述第一部分从所述纵向轴线间隔开更小的距离。
9.如权利要求7或8所述的旋风分离装置，其中所述至少一个凸缘相对于所述纵向轴线以一角度从所述壁的第一部分延伸。
10.如前述任一权利要求所述的旋风分离装置，其中设置一个凸缘，该凸缘绕所述壁的圆周延伸。
11.如前述任一权利要求所述的旋风分离装置，还包括收集器和至少一个其它旋风器，该收集器位于所述空气出口的下游，该至少一个其它旋风器被设置用于把分离的脏物和灰尘沉积到该收集器内。
12.如权利要求11所述的旋风分离装置，其中所述收集器具有纵向轴线、壁和至少一个其它凸缘，该其它凸缘从所述收集器的壁延伸到该收集器内。
13.如权利要求12所述的旋风分离装置，其中所述或每个其它旋风器都具有入口和锥形开口，且所述至少一个其它凸缘延伸离开所述至少一个其它旋风器的锥形开口。
14.如权利要求12或13所述的旋风分离装置，其中所述至少一个其它凸缘的至少一部分平行于所述收集器的壁的一部分。
15.参考附图中所示的任意实施例所述的旋风分离装置。
16.包括任一前述权利要求的旋风分离装置的真空吸尘器。
17.如权利要求16所述的真空吸尘器，其中所述真空吸尘器是手持真空吸尘器。
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CN103607937A (zh) * 2011-04-15 2014-02-26 戴森技术有限公司 包括在两个相邻旋风器体部间的出口管道的旋风分离器
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CN103648348A (zh) * 2011-06-24 2014-03-19 株式会社东芝 电动吸尘器
CN103648348B (zh) * 2011-06-24 2017-03-08 东芝生活电器株式会社 电动吸尘器
CN105615772A (zh) * 2011-12-22 2016-06-01 戴森技术有限公司 分离装置
CN105615772B (zh) * 2011-12-22 2018-11-27 戴森技术有限公司 分离装置
CN107427174A (zh) * 2015-03-06 2017-12-01 阿尔弗雷德·凯驰两合公司 吸尘器
CN116135108A (zh) * 2021-11-17 2023-05-19 必胜公司 手持式抽吸清洁器
CN116135108B (zh) * 2021-11-17 2024-07-23 必胜公司 手持式抽吸清洁器
CN115120134A (zh) * 2022-08-04 2022-09-30 北京顺造科技有限公司 旋风分离器及表面清洁装置
CN115120134B (zh) * 2022-08-04 2024-05-31 北京顺造科技有限公司 旋风分离器及表面清洁装置

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