WO2007019740A1 - Dispositif de depoussierage d’un appareil de nettoyage de type parallele - Google Patents

Dispositif de depoussierage d’un appareil de nettoyage de type parallele Download PDF

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Publication number
WO2007019740A1
WO2007019740A1 PCT/CN2005/001577 CN2005001577W WO2007019740A1 WO 2007019740 A1 WO2007019740 A1 WO 2007019740A1 CN 2005001577 W CN2005001577 W CN 2005001577W WO 2007019740 A1 WO2007019740 A1 WO 2007019740A1
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WO
WIPO (PCT)
Prior art keywords
cylindrical
cyclone
cylinder
dust
vacuum cleaner
Prior art date
Application number
PCT/CN2005/001577
Other languages
English (en)
French (fr)
Inventor
Zugen Ni
Original Assignee
Suzhou Kingclean Floorcare Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Kingclean Floorcare Co., Ltd. filed Critical Suzhou Kingclean Floorcare Co., Ltd.
Priority to DE602005026726T priority Critical patent/DE602005026726D1/de
Priority to AT05792166T priority patent/ATE499868T1/de
Priority to EP05792166A priority patent/EP1915940B1/en
Publication of WO2007019740A1 publication Critical patent/WO2007019740A1/zh

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Classifications

    • 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
    • B04C5/28—Multiple arrangement thereof for parallel 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
    • 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
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1625—Multiple arrangement thereof for series flow
    • A47L9/1633—Concentric cyclones
    • 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
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1641—Multiple arrangement thereof for parallel 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
    • 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
    • A47L9/165—Construction of inlets
    • 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
    • A47L9/1683—Dust collecting chambers; Dust collecting receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
    • 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
    • B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
    • B04C5/04—Tangential inlets
    • 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
    • B04C5/181—Bulkheads or central bodies in the discharge opening
    • 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
    • B04C2009/004—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal filters, in the cyclone chamber or in the vortex finder

Definitions

  • the invention relates to a side-by-side vacuum cleaner dust removing device.
  • a conventional vacuum cleaner is equipped with a filtering device for filtering the inhaled dirty air to leave dust particles in the dust collecting device. Therefore, after using the vacuum cleaner for a period of time, the user should clean or replace the filtering device. Otherwise, the filter hole of the filter device is blocked by fine dust, which will increase the resistance of the vacuum motor. In severe cases, the motor will be burnt out, which not only causes trouble to the user, but also affects the performance and life of the vacuum cleaner.
  • the manufacturer uses a cyclone dust removal device instead of the filter device to obtain a better dust removal effect, and thus is widely applied to a vacuum cleaner.
  • the cyclone dust removing device is provided with a conical cylinder with a large upper end and a small lower end in the dust cup.
  • the upper end of the conical cylinder body is longitudinally disposed with an air outlet tube, and the lower end of the conical cylinder body is open to facilitate dust falling into the bottom of the dust cup.
  • the air inlet pipe enters the upper side wall of the cone cylinder and enters in a tangential direction, so that the dusty airflow generates a cyclone in the cone cylinder, and the dust particles fall along the side wall of the cone cylinder to the dust box under the action of centrifugal force.
  • the airflow after dust removal is discharged upward through the air duct.
  • the cyclone dust removing device also has a large volume defect, and in particular, the cyclone dust removing device used on a large vacuum cleaner having a large wind flow demand is larger in volume, which not only increases the cost, but also is cumbersome for the user to use.
  • the object of the present invention is to provide a side-by-side vacuum cleaner dust removing device, which comprises at least two upstream cyclone separators arranged side by side, and a downstream separator is inserted in each upstream cyclone separator, without adding body Increase the air volume while maintaining a high dust removal efficiency.
  • a side-by-side vacuum cleaner dust removing device comprising at least two upstream cyclone separators arranged in parallel, and each upstream cyclone separator is provided with a downstream separator.
  • a further technical solution of the present invention is: a side-by-side vacuum cleaner dust removing device, the device comprising at least two upstream cyclone separators arranged side by side, and each upstream cyclone separator is provided with a downstream separator; the upstream cyclone separation
  • the utility model comprises a cylindrical dust cup with a cyclone air inlet, and a cylindrical filter cover with a small hole is coaxially arranged in the cylindrical dust cup; the two cylindrical dust cups are fixedly connected, two The cyclone air inlet is adjacently disposed and communicates with the same air inlet duct;
  • the downstream cyclone separator includes a The conical cylinder and a cylindrical cylinder having a cyclone inlet, the cylindrical cylinder is connected to the small end of the conical cylinder, and an outlet duct is coaxially arranged in the cylindrical cylinder.
  • a more detailed technical solution of the present invention is: a side-by-side vacuum cleaner dust removing device, the device comprising at least two upstream cyclones arranged side by side, and each upstream cyclone is provided with a downstream separator; the upstream cyclone
  • the separator comprises a cylindrical dust cup having a cyclone air inlet, and a cylindrical filter cover filled with small holes is coaxially arranged in the cylindrical dust cup; the two cylindrical dust cups are fixedly connected, two The cyclone air inlets are adjacently disposed and communicate with the same air inlet duct;
  • the downstream cyclone separator includes a conical cylinder body and a cylindrical cylinder body having a cyclone air inlet, the cylindrical cylinder body and the conical cylinder body a small end connection, an air outlet tube is coaxially disposed in the cylindrical cylinder; the conical cylinder of the downstream cyclone is inserted into the cylindrical filter cover, and the cylindrical barrel portion is exposed outside the cylindrical filter cover, and Extending upward into the convex
  • the present invention comprises at least two upstream cyclones arranged side by side, each of which is provided with a downstream separator, which can increase the air volume without increasing the volume of the body and maintain a high dust removal efficiency.
  • the tapered cylinder of the downstream cyclone separator in the prior art has a funnel shape, and the cyclone air inlet is located at the upper end of the upper part, and the airflow is accelerated and rotated to separate the dust, so the pressure loss of the airflow is large, which affects the suction of the vacuum cleaner.
  • the dust effect, and the accelerated air flow easily lifts the fine dust that sinks into the bottom of the dust cup again, and is discharged from the air outlet pipe together with the air flow to generate secondary pollution
  • the downstream cyclone separator of the present invention adopts a diffusion structure, a cone
  • the shape of the cylinder is small at the upper end and large at the lower end.
  • the cyclone air inlet is located at the upper small end, and the airflow is decelerated and centrifugal when rotating in the cone cylinder, so that the airflow pressure loss is small, so that a better dust suction effect can be obtained.
  • the airflow rotation speed of the lower portion of the downstream cyclone of the present invention is slower than that of the upper portion, so that the dust at the bottom of the dust cup can be prevented from being dusted, so that secondary pollution does not occur.
  • Figure 1 is a schematic view of the assembly of the present invention
  • Figure 2 is a front cross-sectional view of the present invention
  • Figure 3 is an outline view of the present invention.
  • a side-by-side vacuum cleaner dust removing device comprises two upstream cyclone separators 1 arranged side by side, and the upstream cyclone separator 1 comprises a cylinder having a cyclone air inlet 3
  • the dust cup 4 the cylindrical dust cup 4 is coaxially provided with a cylindrical filter cover 5 filled with small holes, two cylindrical dust cups 4 are fixedly connected, and two cyclone air inlets 3 are adjacently arranged and Connected to the same inlet duct.
  • Each of the upstream cyclones 1 is provided with a downstream separator 2, and the downstream cyclone 2 comprises a conical cylinder 6 and a cylindrical cylinder 8 having a cyclone inlet 1, a cylindrical cylinder 8 It is connected to the small end of the conical cylinder 6, and an air outlet pipe 9 is coaxially arranged in the cylindrical cylinder 8.
  • the conical cylinder 6 of the downstream cyclone 2 is inserted into the cylindrical filter cover 5, and the cylindrical cylinder 8 partially exposes the outside of the cylindrical filter cover 5 and extends upward into the convex cover 10, cylindrical
  • the cyclone air inlet 7 on the cylinder 8 is located in the convex cover 10, and the upper end of the air outlet pipe 9 in the cylindrical cylinder 8 communicates with the air outlet 11 on the convex cover 10, and the convex cover 10 is sealed and connected.
  • the inner cavity of the convex cover 10 communicates with the upper port of the cylindrical filter cover 5.
  • the lower portion of the conical cylinder 6 is provided with an umbrella-shaped reflecting plate 12, and the center of the mushroom-shaped reflecting plate 12 is provided with a return hole 13 between the periphery of the umbrella-shaped reflecting plate 12 and the side wall of the conical cylinder 6.
  • a dust collecting hopper 15 is connected to the bottom of the conical cylinder 6.
  • the invention comprises at least two upstream cyclones 1 arranged side by side, and each upstream cyclone separator 1 is provided with a downstream cyclone separator 2, which can increase the air volume without increasing the volume of the body, and maintains the air volume.
  • the downstream cyclone separator 2 of the present invention adopts a diffused structure, the cylinder has a shape of a small upper end and a large lower end, and the cyclone air inlet 7 is located at the upper small end, and the airflow is decelerated and centrifugally rotated when rotating in the cylinder, The airflow pressure loss is small, so that a better dust collecting effect can be obtained; the airflow rotation speed of the lower part of the downstream cyclone separator of the present invention is slower than that of the upper part, so that the dust at the bottom of the dust cup can be prevented from being dusted, so that secondary pollution is not generated. Case.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Cyclones (AREA)
  • Cleaning In General (AREA)
  • Electrostatic Separation (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Description

并列式吸尘器除尘装置
技术领域
本发明涉及一种并列式吸尘器除尘装置。
背景技术
传统的吸尘器中安装有过滤装置， 目的是将吸入的脏空气进行过滤， 把灰 尘颗粒留在集尘装置中， 因此， 此类吸尘器在使用一段时间以后， 用户应将过 滤装置进行清理或更换， 否则， 过滤装置的滤孔被细灰尘堵塞后， 会增大真空 电机的阻力， 严重者甚至会烧坏电机， 不仅给用户带来了麻烦， 而且也会影响 吸尘器的性能和寿命。
近年来， 厂商根据旋风分离的原理， 用旋风除尘装置来替代过滤装置， 取 得了较好的除尘效果， 因此而广泛地应用到吸尘器上。 该旋风除尘装置于尘杯 内设置一个上端大、 下端小的锥形筒体， 锥形筒体的上端纵向设置一出风管， 锥形筒体的下端开口以便于灰尘落入尘杯底部， 进风管于锥形筒体上部侧壁并 沿切线方向进入， 使带有灰尘的气流在锥形筒体内产生旋风， 灰尘颗粒在离心 力的作用下沿锥形筒体侧壁下落到集尘盒底部， 除尘后的气流向上经出风管排 出。
但是， 旋风除尘装置也存在着体积较大的缺点， 特别是风流量要求较大的 大型吸尘器上使用的旋风除尘装置体积就更大， 不仅增加了成本， 而且用户使 用也比较麻烦。
发明内容
本发明的目的是： 提供一种并列式吸尘器除尘装置， 该装置至少包括两个 并列布置的上游旋风分离器，. 每个上游旋风分离器中插设有一个下游分离器， 能在不增加机体体积的同时提高风量， 保持较高的除尘效率。
本发明的技术方案是： 一种并列式吸尘器除尘装置， 该装置至少包括两个 并列布置的上游旋风分离器， 每个上游旋风分离器中插设有一个下游分离器。
本发明进一步的技术方案是： 一种并列式吸尘器除尘装置， 该装置至少包 括两个并列布置的上游旋风分离器， 每个上游旋风分离器中插设有一个下游分 离器； 所述上游旋风分离器包括一个具有旋风进风口的圆筒形尘杯， 圆筒形尘 杯内同轴设有一个布满小孔的圆筒形过滤罩； 所述两个圆筒形尘杯连接固定， 两个旋风进风口相邻设置并与同一个进风管连通； 所述下游旋风分离器包括一 圆锥形筒体和一具有旋风进风口的圆柱形筒体， 圆柱形筒体与圆锥形筒体的小 端连接， 圆柱形筒体内同轴设有一个出风管。
本发明更详细的技术方案是： 一种并列式吸尘器除尘装置， 该装置至少包 括两个并列布置的上游旋风分离器， 每个上游旋风分离器中插设有一个下游分 离器； 所述上游旋风分离器包括一个具有旋风进风口的圆筒形尘杯， 圆筒形尘 杯内同轴设有一个布满小孔的圆筒形过滤罩； 所述两个圆筒形尘杯连接固定， 两个旋风进风口相邻设置并与同一个进风管连通； 所述下游旋风分离器包括一 圆锥形筒体和一具有旋风进风口的圆柱形筒体， 圆柱形筒体与圆锥形筒体的小 端连接， 圆柱形筒体内同轴设有一个出风管； 所述下游旋风分离器的圆锥形筒 体插入圆筒形过滤罩内， 圆柱形筒体部分露出圆筒形过滤罩外， 并向上伸入凸 形罩盖内， 圆柱形筒体上的旋风进风口位于凸形罩盖内， 圆柱形筒体内的出风 管的上端与凸形罩盖上的出风口连通， 凸形罩盖密封连接在圆筒形尘杯的上端 口， 凸形罩盖的内腔与圆筒形过滤罩的上端口连通； 所述圆锥形筒体的下部设 有伞形反射盘， 伞形反射盘的中心设有回流孔， 伞形反射盘的周缘与圆锥形筒 体的侧壁之间设有落尘环隙， 圆锥形筒体的底部连接有集尘斗。
本发明的优点是：
1 . 本发明至少包括两个并列布置的上游旋风分离器， 每个上游旋风分离器 中插设有一个下游分离器， 能在不增加机体体积的同时提高风量， 保持较高的 除尘效率。
2. 现有技术中的下游旋风分离器的锥形筒体均呈漏斗形状， 旋风进风口位 于上部大端， 依靠气流加速旋转来分离灰尘， 所以气流的压力损失较大， 影响 了吸尘器的吸尘效果， 而且， 加速的气流容易将沉入尘杯底部的细小灰尘再次 扬起， 随气流一起从出风管排出， 产生二次污染， 而本发明的下游旋风分离器 采用扩散式结构， 锥形筒体为上端小、 下端大的形状， 旋风进风口位于上部小 端， 气流在锥形筒体内旋转时呈减速离心状态， 使气流压力损失小， 因此能取 得较好的吸尘效果。
3 . 本发明的下游旋风分离器下部的气流旋转速度比上部慢， 因此可避免尘 杯底部的灰尘产生扬尘现象， 从而不会产生二次污染的情况。
附图说明
下面结合附图和实施例对本发明作进一步的描述： 图 1为本发明的装配示意图；
图 2为本发明的主视剖视图；
图 3为本发明的外形图。
其中： 1上游旋风分离器； 2下游旋风分离器； 3旋风进风口； 4 圆筒形尘 杯； 5圆筒形过滤罩； 6圆锥形筒体； 7旋风进风口； 8圆柱形筒体； 9出风管； 10凸形罩盖； 11出风口； 12伞形反射盘； 13回流孔； 14落尘环隙； 15集尘斗。 具体实施方式
实施例： 如图 1、 图 2、 图 3所示， 一种并列式吸尘器除尘装置， 包括两个 并列布置的上游旋风分离器 1， 上游旋风分离器 1 包括一个具有旋风进风口 3 的圆筒形尘杯 4， 圆筒形尘杯 4内同轴设有一个布满小孔的圆筒形过滤罩 5， 两 个圆筒形尘杯 4连接固定， 两个旋风进风口 3相邻设置并与同一个进风管连通。
所述每个上游旋风分离器 1中插设有一个下游分离器 2， 下游旋风分离器 2 包括一圆锥形筒体 6和一具有旋风进风口 1的圆柱形筒体 8，圆柱形筒体 8与圆 锥形筒体 6的小端连接， 圆柱形筒体 8内同轴设有一个出风管 9。
所述下游旋风分离器 2的圆锥形筒体 6插入圆筒形过滤罩 5 内， 圆柱形筒 体 8部分露出圆筒形过滤罩 5外， 并向上伸入凸形罩盖 10内， 圆柱形筒体 8上 的旋风进风口 7位于凸形罩盖 10内， 圆柱形筒体 8内的出风管 9的上端与凸形 罩盖 10上的出风口 11连通， 凸形罩盖 10密封连接在圆筒形尘杯 4的上端口， 凸形罩盖 10的内腔与圆筒形过滤罩 5的上端口连通。
所述圆锥形筒体 6的下部设有伞形反射盘 12，伞形反射盘 12的中心设有回 流孔 13， 伞形反射盘 12的周缘与圆锥形筒体 6的侧壁之间设有落尘环隙 14， 圆锥形筒体 6的底部连接有集尘斗 15。
使用时，含有灰尘的脏空气从两个旋风进风口 3分别进入两个圆筒形尘杯 4 中， 经过圆筒形过滤罩 5时， 粗灰尘落在圆筒形尘杯 4 中， 细灰尘和空气继续 进入圆筒形过滤罩 5的内部， 通过两个旋风进风口 7进入圆柱形简体 8中， 并 形成旋风， 在旋风过程中， 细灰尘沿下圆锥形筒体 6 的内壁下落， 通过落尘环 隙 14进入集尘斗 15底部， 除去灰尘的空气则从出风管 9向上经过出风口 11排 出。
本发明至少包括两个并列布置的上游旋风分离器 1， 每个上游旋风分离器 1 中插设有一个下游旋风分离器 2， 能在不增加机体体积的同时提高风量， 保持较 高的除尘效率； 本发明的下游旋风分离器 2 采用扩散式结构， 筒体为上端小、 下端大的形状， 旋风进风口 7位于上部小端， 气流在筒体内旋转时呈减速离心 状态， 使气流压力损失小， 因此能取得较好的吸尘效果； 本发明的下游旋风分 离器下部的气流旋转速度比上部慢， 因此可避免尘杯底部的灰尘产生扬尘现象， 从而不会产生二次污染的情况。

Claims

权利要求：
1. 一种并列式吸尘器除尘装置， 其特征在于： 该装置至少包括两个并列布 置的上游旋风分离器（1)， 每个上游旋风分离器（1) 中插设有一个下游分离器
(2)。
2. 根据权利要求 1所述的并列式吸尘器除尘装置， 其特征在于： 所述上游 旋风分离器 （1) 包括一个具有旋风进风口 （3) 的圆筒形尘杯 （4)， 圆筒形尘 杯 （4) 内同轴设有一个布满小孔的圆筒形过滤罩 （5)。
3. 根据权利要求 2所述的并列式吸尘器除尘装置， 其特征在于： 所述两个 圆筒形尘杯 （4) 连接固定， 两个旋风进风口 （3) 相邻设置并与同一个进风管 连通。
4. 根据权利要求 1所述的并列式吸尘器除尘装置， 其特征在于： 所述下游 旋风分离器 （2) 包括一圆锥形筒体 （6) 和一具有旋风进风口 （7) 的圆柱形筒 体 （8)， 圆柱形筒体 （8) 与圆锥形筒体 （6) 的小端连接， 圆柱形筒体 （8) 内 同轴设有一个出风管 （9)。
5. 根据权利要求 2或 4所述的并列式吸尘器除尘装置， 其特征在于： 所述 下游旋风分离器 （2) 的圆锥形筒体 （6) 插入圆筒形过滤罩 （5) 内， 圆柱形筒 体 （8) 部分露出圆筒形过滤罩 （5) 外， 并向上伸入凸形罩盖 （10) 内， 圆柱 形筒体 （8) 上的旋风进风口 （7) 位于凸形罩盖 （10) 内， 圆柱形筒体 （8) 内 的出风管 （9) 的上端与凸形罩盖 （10) 上的出风口 （11) 连通， 凸形罩盖 （10) 密封连接在圆筒形尘杯 （4) 的上端口， 凸形罩盖 （10) 的内腔与圆筒形过滤罩
(5) 的上端口连通。
6. 根据权利要求 5所述的并列式吸尘器除尘装置， 其特征在于： 所述圆锥 形筒体 （6) 的下部设有伞形反射盘 （12)， 伞形反射盘 （12) 的中心设有回流 孔 （13)， 伞形反射盘 （12) 的周缘与圆锥形筒体 （6) 的侧壁之间设有落尘环 隙 （14)， 圆锥形筒体 （6) 的底部连接有集尘斗 （15)。
PCT/CN2005/001577 2005-08-19 2005-09-26 Dispositif de depoussierage d’un appareil de nettoyage de type parallele WO2007019740A1 (fr)

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AT05792166T ATE499868T1 (de) 2005-08-19 2005-09-26 Staubentfernungsvorrichtung einer parallelartigen reinigungsvorrichtung
EP05792166A EP1915940B1 (en) 2005-08-19 2005-09-26 A dust removing appliance of a parallel type cleaner

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EP1915940A1 (en) 2008-04-30
EP1915940B1 (en) 2011-03-02
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ATE499868T1 (de) 2011-03-15

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