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CN1969739B - Dust separation device of vacuum cleaner - Google Patents

Dust separation device of vacuum cleaner Download PDF

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Publication number
CN1969739B
CN1969739B CN2006100981154A CN200610098115A CN1969739B CN 1969739 B CN1969739 B CN 1969739B CN 2006100981154 A CN2006100981154 A CN 2006100981154A CN 200610098115 A CN200610098115 A CN 200610098115A CN 1969739 B CN1969739 B CN 1969739B
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CN
China
Prior art keywords
upstream
downstream
cyclone
dust
upstream cyclone
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN2006100981154A
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Chinese (zh)
Other versions
CN1969739A (en
Inventor
程再雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ecovacs Robotics Suzhou Co ltd
Ecovacs Robotics Suzhou Co Ltd
Original Assignee
Ecovacs Robotics Suzhou 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 Ecovacs Robotics Suzhou Co Ltd filed Critical Ecovacs Robotics Suzhou Co Ltd
Priority to CN2006100981154A priority Critical patent/CN1969739B/en
Publication of CN1969739A publication Critical patent/CN1969739A/en
Priority to DE200720013561 priority patent/DE202007013561U1/en
Priority to PCT/EP2007/063004 priority patent/WO2008065168A1/en
Application granted granted Critical
Publication of CN1969739B publication Critical patent/CN1969739B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A47L9/1608—Cyclonic chamber constructions
    • 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
    • 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
    • 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
    • B04C5/14—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
    • B04C5/28—Multiple arrangement thereof for parallel 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
    • B04C7/00—Apparatus not provided for in group B04C1/00, B04C3/00, or B04C5/00; Multiple arrangements not provided for in one of the groups B04C1/00, B04C3/00, or B04C5/00; Combinations of apparatus covered by two or more of the groups B04C1/00, B04C3/00, or B04C5/00

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

Abstract

一种真空吸尘器的灰尘分离装置，包括上游分离器和下游分离器；上游分离器包括上游旋风筒、位于所述的上游旋风筒内的导流管，上游旋风筒与导流管之间构成上游旋风室；下游分离器包括多个并列设置的下游旋风筒；上游旋风筒的外侧设置有外筒体，上游旋风筒的外壁与外筒体的内壁之间连接有至少两个隔板，隔板将上游旋风筒与外筒体之间的空间分隔为上游集尘室、下游集尘室和进风通道。上游旋风筒的下部具有进风口，上游旋风筒的侧壁上端部开有缺口，该缺口连通上游旋风室与上游集尘室。经过进风通道进入上游旋风室的气流向上绕导流管螺旋运动，运动到缺口处时，大颗粒灰尘即从缺口处被离心分离而甩出到上游集尘室内，其分离效率较高，可降低气压损失。

A dust separation device for a vacuum cleaner, comprising an upstream separator and a downstream separator; the upstream separator includes an upstream cyclone and a guide tube located in the upstream cyclone, and the upstream cyclone and the guide tube form an upstream The cyclone chamber; the downstream separator includes a plurality of downstream cyclones arranged side by side; the outer cylinder of the upstream cyclone is provided with an outer cylinder, and at least two partitions are connected between the outer wall of the upstream cyclone and the inner wall of the outer cylinder, and the partition The space between the upstream cyclone and the outer cylinder is divided into an upstream dust collection chamber, a downstream dust collection chamber and an air inlet channel. The lower part of the upstream cyclone has an air inlet, and the upper end of the side wall of the upstream cyclone has a gap, and the gap communicates with the upstream cyclone chamber and the upstream dust collection chamber. The airflow that enters the upstream cyclone chamber through the air inlet channel spirals upwards around the draft tube. When it moves to the gap, the large particles of dust are centrifugally separated from the gap and thrown into the upstream dust collection chamber. The separation efficiency is high and can be used. Reduce air pressure loss.

Description

The dust-separating appliance of vacuum cleaner
Technical field
The present invention relates to a kind of dust-separating appliance that is applied on the vacuum cleaner.
Background technology
In the prior art, the dust-separating appliance of vacuum cleaner comprises the two stage cyclone separator, upstream cyclone is the poor efficiency separator, band dirt air-flow enters upstream cyclone separating chamber from the air inlet of upstream cyclone, the upstream cyclonic separation is indoor carry out cyclonic separation after, the bottom of upstream cyclone separating chamber is isolated and gathered to oarse-grained dust from air-flow, the air-flow that has little dust then enters in the cyclone separator of downstream, and in the cyclone separator of downstream, efficiently separate, make little dust from air-flow, separate.
Because the separative efficiency of upstream cyclone is very low; so also need between upstream cyclone and downstream cyclone separator, to be provided with a dust block board and mesh filter usually; make that big ash is further separated, to alleviate the work load of downstream cyclone separator.But after dust block board and mesh filter are set, cause atmospheric pressure lost more, and dust also easily stops up the mesh filter, make the whole work efficiency of dust catcher reduce.
Summary of the invention
The object of the invention provides a kind of dust-separating appliance of vacuum cleaner, and it can improve the separative efficiency of upstream separator under the prerequisite that reduces atmospheric pressure lost.
For achieving the above object, the technical solution used in the present invention is: a kind of dust-separating appliance of vacuum cleaner comprises upstream separator and downstream separator;
Described upstream separator comprises upstream whirlwind tube, is positioned at the mozzle of described upstream whirlwind tube, constitutes the upstream cyclone chamber between described upstream whirlwind tube and the mozzle;
Described downstream separator comprises a plurality of downstream whirlwind tubes that are frustroconical that are set up in parallel;
The arranged outside of described upstream whirlwind tube has outer cylinder body, be connected with at least two dividing plates between the outer wall of described upstream whirlwind tube and the inwall of outer cylinder body, described dividing plate is divided into upstream dust storage chamber, downstream dust storage chamber and air intake passage with the space between upstream whirlwind tube and the outer cylinder body.The infraoral of described each downstream whirlwind tube is positioned at the downstream dust storage chamber, the bottom of described upstream whirlwind tube has the air inlet that is connected with air intake passage, the sidewall upper portion of described upstream whirlwind tube has breach, and this breach is communicated with described upstream cyclone chamber and upstream dust storage chamber.
Described mozzle inserts in the cyclone chamber of upstream from the upper oral part of upstream whirlwind tube, and the position of described breach is higher than mozzle bottom.
The following side of described mozzle is provided with the grid that can filter dust, and the outer contour of described grid constitutes turbination.
Described downstream whirlwind tube inserts in the dust storage chamber of downstream, and described a plurality of downstreams whirlwind tube is positioned at the outside of upstream whirlwind tube and distributes around described upstream whirlwind tube.
Because technique scheme utilization; the present invention compared with prior art has following advantage: by dividing plate the space between outer dirt tube and the upstream whirlwind tube is separated; promptly be convenient at the arranged outside upstream of upstream cyclone chamber dust storage chamber; downstream dust storage chamber and air intake passage; and make the compact conformation of whole dust-separating appliance; and enter the air-flow of upstream cyclone chamber around the mozzle screw through air intake passage; when moving to indentation, there; the bulky grain dust is promptly thrown away in the dust storage chamber of upstream by centrifugation from indentation, there; its separative efficiency is higher; can effectively reduce atmospheric pressure lost; and can alleviate the work load of downstream separator, to improve the separative efficiency of whole separator.
Description of drawings
Accompanying drawing 1 is a three-dimensional assembly diagram of the present invention;
Accompanying drawing 2 is a three-dimensional exploded view of the present invention;
Accompanying drawing 3 is a vertical view of the present invention;
Accompanying drawing 4 is the cutaway view of the A-A direction in the accompanying drawing 3;
Accompanying drawing 5 is the cutaway view of the B-B direction in the accompanying drawing 3;
Accompanying drawing 6 is a front view of the present invention;
Accompanying drawing 7 is the cutaway view of the C-C direction in the accompanying drawing 6;
Accompanying drawing 8 is the cutaway view of the D-D direction in the accompanying drawing 6;
Accompanying drawing 9 is the cutaway view of the E-E direction in the accompanying drawing 6;
Wherein: 1, outer cylinder body; 2, air intake passage; 3, air outlet; 4, upstream whirlwind tube; 5, air inlet; 6, dividing plate; 7, downstream whirlwind tube; 8, mozzle; 9, grid; 10, upstream cyclone chamber; 11, upstream dust storage chamber; 12, breach; 13, downstream dust storage chamber.
The specific embodiment
Shown in accompanying drawing 1-accompanying drawing 9, a kind of dust-separating appliance of vacuum cleaner, comprise upstream separator, downstream separator, upstream separator has air inlet 5, described downstream separator has air outlet 3, band dirt air-flow enters the upstream separator from air inlet 5, through after the primary separation, the air-flow that has thin dirt is through enter in the downstream separator communicating pipe 5, and in downstream separator, enter secondary separation, final clean gas flow amount is discharged from air outlet 3, and the vacuum motor that enters dust catcher then is indoor.
Described upstream separator is the poor efficiency separator, and this upstream separator comprises upstream whirlwind tube 4, is positioned at the mozzle 8 of described upstream whirlwind tube 4, constitutes upstream cyclone chamber 10 between described upstream whirlwind tube 4 and the mozzle 8; The arranged outside of described upstream whirlwind tube 4 has outer cylinder body 1, be connected with at least two dividing plates 6 between the outer wall of described upstream whirlwind tube 4 and the inwall of outer cylinder body 1, described dividing plate 6 is divided into upstream dust storage chamber 11, downstream dust storage chamber 13 and air intake passage 2 with the space between upstream whirlwind tube 4 and the outer cylinder body 1; Air intake passage 2 is connected with air inlet 5, and described air inlet 5 tangentially is opened in the bottom of upstream whirlwind tube 4; The sidewall upper portion of described upstream whirlwind tube 4 has breach 12, and this breach 12 is communicated with described upstream cyclone chamber 10 and upstream dust storage chamber 11.
Band dirt air-flow tangentially enters the bottom of upstream cyclone chamber 10 through air inlet 5; and rotate around mozzle 8 on the screw; when air motion arrives breach 12 places; because the madial wall of upstream whirlwind tube 4 disappears to the active force of dust; cause the suffered centripetal force of dust in the air-flow to lose; the bulky grain dust promptly can be from breach 12 centrifugation in upstream dust storage chamber 11; its separative efficiency is higher; isolate in the air-flow behind the big dust and only contain a small amount of little dust, the air-flow that carries little dust then can enter into downstream separator along mozzle 8.
Described mozzle 8 inserts in the upstream cyclone chamber 10 from the upper oral part of upstream whirlwind tube 4, and the lowest positions of mozzle 8 need be lower than described breach 12 residing positions, so that entrained big dust throws away from breach 12 earlier in the air-flow, air-flow turns back from the top of upstream whirlwind tube 4 and enters the mozzle 8 then, can prevent to carry the air-flow gap crossing 12 of big dust and directly screws in the mozzle 8.The following side of described mozzle 8 is provided with the grid 9 that can filter dust, with the dust that carries in the further separation bubble, can alleviate the work load of downstream separator.And the outer contour of described grid 9 constitutes turbination, makes cyclonic motion to guarantee air-flow.
In the preferred embodiment that the present invention habitually practised; described downstream separator is arranged in the upside of upstream separator; so that the air-flow of discharging from upstream separator arrives the downstream separator through the shortest gas circuit; and the downstream dust storage chamber 13 of downstream separator adopts dividing plate 6 to separate with the upstream dust storage chamber of upstream separator 11; make upstream dust storage chamber 11 be convenient to be arranged at the outside of upstream whirlwind tube 4; and be easy to gap 12 on the whirlwind tube 4 of upstream, make the bulky grain dust successfully from breach 12, to be separated in the upstream dust storage chamber 11 in whirlwind tube 4 outsides, upstream.
Downstream separator is an efficient cyclone, described downstream separator comprises a plurality of downstream whirlwind tubes 7 that are frustroconical that are set up in parallel, the infraoral of each downstream whirlwind tube 7 is positioned at downstream dust storage chamber 13, the air-flow of isolating behind the big dust is discharged from mozzle 8, after be assigned in each downstream whirlwind tube 7.In accompanying drawing 3, accompanying drawing 7-accompanying drawing 9, all can see the position distribution situation of downstream whirlwind tube 7, described downstream whirlwind tube 7 inserts in the downstream dust storage chamber 13 that is separated out by dividing plate 6, and described a plurality of downstreams whirlwind tube 7 is arranged along one section circular arc around upstream whirlwind tube 4, its can guarantee between the upper port of the tangential inlet of each upstream whirlwind tube 4 and mozzle 8 distance about equally, make air-flow be assigned to equably in each downstream whirlwind tube 7.In each downstream whirlwind tube 7, air-flow is done the high-speed screw motion, entrained little dust just is separated and drops out in the downstream dust storage chamber 13 from the infraoral of downstream whirlwind tube 7 in the air-flow, the top of each downstream whirlwind tube 7 all has air outlet, clean gas flow is just discharged and is compiled from the air outlet 3 of downstream whirlwind tube 7, final clean gas flow enters in the vacuum motor chamber (usual means on the dust catcher is not so adopt accompanying drawing to describe in detail) of dust catcher.
Shown in accompanying drawing 5, accompanying drawing 7, described a plurality of downstreams whirlwind tube 7 is positioned at the outside of upstream whirlwind tube 4, it can effectively utilize the space between upstream whirlwind tube 4 and the outer cylinder body 1, so that the compact conformation of whole dust-separating appliance is reasonable, thereby reduces the volume of whole device.

Claims (5)

1.一种真空吸尘器的灰尘分离装置，包括1. A dust separation device for a vacuum cleaner, comprising 上游分离器，所述的上游分离器包括上游旋风筒(4)、位于所述的上游旋风筒(4)内的导流管(8)，所述的上游旋风筒(4)与导流管(8)之间构成上游旋风室(10)；An upstream separator, the upstream separator includes an upstream cyclone (4), a draft tube (8) located in the upstream cyclone (4), and the upstream cyclone (4) and the draft tube (8) constitute the upstream cyclone chamber (10); 下游分离器，所述的下游分离器包括多个并列设置的呈截顶圆锥形的下游旋风筒(7)；其特征在于：A downstream separator, said downstream separator comprising a plurality of truncated conical downstream cyclones (7) arranged side by side; characterized in that: 所述的上游旋风筒(4)的外侧设置有外筒体(1)，所述的上游旋风筒(4)的外壁与外筒体(1)的内壁之间连接有至少两个隔板(6)，所述的隔板(6)将上游旋风筒(4)与外筒体(1)之间的空间分隔为上游集尘室(11)、下游集尘室(13)和进风通道(2)，所述的各下游旋风筒(7)的下口部位于下游集尘室(13)内，所述的上游旋风筒(4)的下部具有与进风通道(2)相连通的进风口(5)，所述的上游旋风筒(4)的侧壁上端部开有缺口(12)，该缺口(12)连通所述的上游旋风室(10)与上游集尘室(11)。The outside of the upstream cyclone (4) is provided with an outer cylinder (1), and at least two partitions ( 6), the partition (6) divides the space between the upstream cyclone (4) and the outer cylinder (1) into an upstream dust collection chamber (11), a downstream dust collection chamber (13) and an air inlet channel (2), the lower mouth of each of the downstream cyclones (7) is located in the downstream dust collection chamber (13), and the lower part of the upstream cyclone (4) has a mouth that communicates with the air inlet passage (2). The air inlet (5), the upper end of the side wall of the upstream cyclone (4) has a gap (12), and the gap (12) communicates with the upstream cyclone chamber (10) and the upstream dust collection chamber (11) . 2.根据权利要求1所述的真空吸尘器的灰尘分离装置，其特征在于：所述的导流管(8)从上游旋风筒(4)的上口部插入上游旋风室(10)内，所述的缺口(12)的位置高于导流管(8)的最下端。2. The dust separation device of vacuum cleaner according to claim 1, characterized in that: said guide pipe (8) is inserted into the upstream cyclone chamber (10) from the upper mouth of the upstream cyclone cylinder (4), so that The position of the above-mentioned notch (12) is higher than the lowermost end of the draft tube (8). 3.根据权利要求1所述的真空吸尘器的灰尘分离装置，其特征在于：所述的导流管(8)的下侧部设置有可过滤灰尘的栅格(9)。3. The dust separating device of a vacuum cleaner according to claim 1, characterized in that: a grid (9) capable of filtering dust is provided on the lower side of the draft pipe (8). 4.根据权利要求3所述的真空吸尘器的灰尘分离装置，其特征在于：所述的栅格(9)的外轮廓线构成倒圆锥形。4. The dust separating device of a vacuum cleaner according to claim 3, characterized in that: the outer contour of the grid (9) forms an inverted conical shape. 5.根据权利要求1所述的真空吸尘器的灰尘分离装置，其特征在于：所述的下游旋风筒(7)插入下游集尘室(13)中，所述的多个下游旋风筒(7)位于上游旋风筒(4)的外侧且围绕所述的上游旋风筒(4)分布。5. The dust separation device of a vacuum cleaner according to claim 1, characterized in that: the downstream cyclone (7) is inserted into the downstream dust collection chamber (13), and the plurality of downstream cyclones (7) It is located outside the upstream cyclone (4) and distributed around the upstream cyclone (4).
CN2006100981154A 2006-11-30 2006-11-30 Dust separation device of vacuum cleaner Expired - Fee Related CN1969739B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2006100981154A CN1969739B (en) 2006-11-30 2006-11-30 Dust separation device of vacuum cleaner
DE200720013561 DE202007013561U1 (en) 2006-11-30 2007-09-21 Dust filter device for vacuum vacuum cleaners
PCT/EP2007/063004 WO2008065168A1 (en) 2006-11-30 2007-11-29 Dust filter apparatus for vacuum cleaners

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2006100981154A CN1969739B (en) 2006-11-30 2006-11-30 Dust separation device of vacuum cleaner

Publications (2)

Publication Number Publication Date
CN1969739A CN1969739A (en) 2007-05-30
CN1969739B true CN1969739B (en) 2011-08-10

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DE (1) DE202007013561U1 (en)
WO (1) WO2008065168A1 (en)

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