WO2021056329A1 - 一种旋风过滤装置以及吸尘设备 - Google Patents

一种旋风过滤装置以及吸尘设备 Download PDF

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Publication number
WO2021056329A1
WO2021056329A1 PCT/CN2019/108146 CN2019108146W WO2021056329A1 WO 2021056329 A1 WO2021056329 A1 WO 2021056329A1 CN 2019108146 W CN2019108146 W CN 2019108146W WO 2021056329 A1 WO2021056329 A1 WO 2021056329A1
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WIPO (PCT)
Prior art keywords
dust collection
cyclone
cavity
dust
stage
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PCT/CN2019/108146
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English (en)
French (fr)
Inventor
张学东
Original Assignee
深圳市智意科技有限公司
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Application filed by 深圳市智意科技有限公司 filed Critical 深圳市智意科技有限公司
Priority to PCT/CN2019/108146 priority Critical patent/WO2021056329A1/zh
Publication of WO2021056329A1 publication Critical patent/WO2021056329A1/zh

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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

Definitions

  • This application relates to the field of clean filtration technology, and in particular to a cyclone filtration device and dust collection equipment.
  • the purpose of this application is to provide a cyclone filter device, which aims to solve the problem of how to improve the filtering performance of the cyclone filter device.
  • a cyclone filter device for cleaning and filtering the dust in the cyclone including:
  • a first-level dust collector is located between the accommodating cavity and the inner wall of the accommodating cavity to form a first-level dust collection chamber.
  • the first-level dust collector includes a diversion sleeve, and the cyclone surrounds the diversion sleeve. Circumferential flow, so that the coarse ash in the cyclone is deposited along the side wall of the first-stage dust collection chamber, and the side surface of the guide sleeve is provided with a connecting hole and restricting the passage of the coarse ash in the cyclone.
  • the secondary dust collector includes a dust collecting tube sleeved in the diversion sleeve and one end abuts against the cavity bottom of the accommodating cavity, and a diversion cover covering the other end of the dust collecting tube, the dust collecting tube
  • a secondary dust collecting chamber for fine ash deposition in the cyclone the diversion cover is provided with a secondary air inlet hole communicating with the secondary dust collecting chamber, and the cyclone is from the primary air outlet hole Flows out of the primary dust collection chamber and flows into the secondary dust collection chamber through the secondary air inlet hole and the fine ash in the cyclone is deposited in the secondary dust collection chamber, and the diversion cover is also opened
  • the first-stage dust collector further includes a first-stage partition plate for separating the first-stage dust collection chamber, and the first-stage partition plate is arranged in an arc shape around the guide sleeve and has two Both ends are connected to the inner wall of the first-level dust-collecting chamber, a first-level dust-collecting outer chamber is formed between the first-level partition plate and the inner wall of the first-level dust-collecting chamber, and the diversion sleeve is connected to the first-level dust-collecting chamber.
  • a first-level dust-collecting inner cavity is formed between the partition plates, and one end of the first-level dividing plate is provided with a first-level dust-collecting window connecting the first-level dust-collecting inner cavity and the first-level dust-collecting outer cavity.
  • the air inlet is connected to the first-stage dust collection inner cavity.
  • the first-stage dust collector further includes a baffle arranged in the first-stage dust-collecting outer cavity, one end of the baffle is connected to the first-stage partition plate, and the other of the baffle One end extends in a direction away from the first-level dust collection window and forms an air trough with the side wall of the accommodating cavity.
  • the flow guide sleeve is located between the two first-level partition plates and forms the first-level partition plate together with the two first-level partition plates. Dust collection cavity.
  • the extension path of the primary air outlet is arc-shaped.
  • a plurality of the first-level air outlet holes are provided, and each of the first-level air outlet holes is evenly arranged around the circumference of the deflector sleeve.
  • the first-stage dust collector further includes an apron in an annular structure, and the apron is sheathed at one end of the diversion sleeve and arranged near the bottom of the first-stage dust collection chamber.
  • the annular surface of the skirt board is arranged in a conical surface, and the outer edge of the skirt board is arranged close to the cavity bottom of the first-stage dust collection chamber.
  • the secondary dust collector further includes a secondary partition sleeve for separating the secondary dust collection chamber, one end of the secondary partition sleeve is connected to the inner wall of the secondary dust collection chamber, so The other end of the secondary partition sleeve abuts against the bottom of the secondary dust collection chamber, and the cross-sectional area of the secondary partition sleeve is tapered from one end to the other end thereof.
  • the inner cavity forms a secondary dust collecting inner cavity
  • the outer surface of the secondary separating sleeve and the inner wall of the dust collecting cylinder form a secondary dust collecting outer cavity
  • the separating sleeve is also provided with a connecting with the secondary dust collecting cavity.
  • the second-stage dust-collecting window of the dust-collecting inner cavity and the second-stage dust-collecting outer cavity, and the second-stage air outlet and the second-stage air inlet are both connected to the second-stage dust-collecting inner cavity.
  • each secondary dust collection window is evenly distributed on the secondary partition sleeve.
  • the housing structure includes a base and an inner cover, the base is provided with the accommodating cavity, the accommodating cavity has an open cavity structure, and the inner cover is disposed in the accommodating chamber. The opening of the cavity.
  • the inner cover is provided with an air outlet communicating with the accommodating cavity
  • the secondary dust collector further includes a device for guiding the cyclone from the secondary dust collection cavity to an external space
  • An air duct, one end of the air duct is located at the secondary air outlet, and the other end of the air duct is located at the air outlet.
  • a plurality of the secondary air inlet holes are opened on the air guide cover, and each of the secondary air inlet holes is evenly arranged around the air guide tube.
  • the hole wall of the secondary air inlet hole is provided with a diversion surface for guiding the cyclone into the secondary dust collection chamber, and the diversion surface is formed around the axial direction of the air guide tube. Spiral or flat setting.
  • the first-stage dust collector further includes a connecting ring arranged at the opening of the accommodating cavity, and the connecting ring is sleeved and connected to the diversion sleeve.
  • the housing structure further includes an outer cover connected to the inner cover and covering the air outlet, and a deflector located between the inner cover and the outer cover,
  • the deflector has a U-shaped structure, a deflector groove is formed between the deflector and the inner cover, the air outlet is located at the bottom of the deflector, and the outer cover is provided with a communicating hole.
  • the diversion groove is used for the cyclone to flow out of the air outlet through hole of the diversion groove.
  • the present application also provides a dust suction device, which includes the cyclone filter device as described above.
  • the cyclone with dust flows into the first-stage dust collection chamber, it flows counterclockwise around the deflector sleeve.
  • the coarse ash in the cyclone is first deposited in the primary dust collection chamber.
  • the cyclone flows out of the primary dust collection chamber through the primary air outlet and flows into the secondary dust collection chamber through the secondary air inlet.
  • the fine ash in the cyclone is deposited in the secondary dust collection chamber under the action of inertia.
  • Figure 1 is a three-dimensional structural diagram of a cyclone filter device provided by an embodiment of the present application
  • Figure 2 is an exploded view of the cyclone filter device of Figure 1;
  • Figure 3 is a partial cross-sectional view of Figure 1;
  • Figure 4 is a horizontal cross-sectional view of the cyclone filter device of Figure 1;
  • Figure 5 is another horizontal cross-sectional view of the cyclone filter device of Figure 1;
  • Fig. 6 is a partial enlarged view at A of Fig. 5;
  • Figure 7 is a three-dimensional structural view of the diversion cover of Figure 2;
  • Fig. 8 is a cross-sectional view of the secondary dust collector and the housing structure of Fig. 2.
  • Figure 9 is a partial cross-sectional view of a cyclone filter device provided by another embodiment of the present application.
  • Fig. 10 is a three-dimensional structural view of the secondary dust collector of the cyclone filter device of Fig. 9;
  • Figure 11 is an exploded view of the secondary dust collector of Figure 10;
  • Figure 12 is a cross-sectional view of the secondary dust collector of Figure 10 along the axial direction of the vertical air duct;
  • Fig. 13 is a cross-sectional view of the secondary dust collector provided by another embodiment of the present application along the axial direction of the air duct.
  • an embodiment of the present application provides a cyclone filter device 100 and a dust collection device having the same.
  • Dust collection equipment can filter and remove dust, hair, and food debris on the ground.
  • the dust in this embodiment is sucked into the cyclone filter device 100 in the form of a cyclone to filter and remove the dust in the cyclone.
  • dust includes coarse dust and fine dust, and the particle diameter of coarse dust is larger than the particle diameter of fine dust.
  • the cyclone filter device 100 includes a housing structure 10, a primary dust collector 20 and a secondary dust collector 30.
  • the housing structure 10 is made of plastic material and has an accommodating cavity 112.
  • the surface of the housing structure 10 is also provided with an air inlet 111 communicating with the accommodating cavity 112 and allowing the cyclone to flow into the accommodating cavity 112.
  • the shell structure 10 is laid flat on the ground.
  • the primary dust collector 20 is located in the accommodating cavity 112 and forms a primary dust collecting cavity between the first-level dust collector 20 and the inner wall of the accommodating cavity 112.
  • the primary dust collector 20 includes a diversion sleeve 21, and the cyclone flows around the circumference of the diversion sleeve 21 so that the coarse ash in the cyclone is deposited along the side wall of the primary dust collection chamber.
  • the cyclone flows counterclockwise around the deflector sleeve 21 in the primary dust collection chamber, and the coarse ash in the cyclone flows along the deflector sleeve 21 and the shell structure under the action of inertia.
  • the inner wall of 10 is deposited in the primary dust collection chamber.
  • the side surface of the guide sleeve 21 is provided with a primary air outlet 211 communicating with the inside and allowing the fine ash in the cyclone to pass through.
  • the primary air outlet 211 is connected to the interior of the primary dust collection chamber and the deflector sleeve 21.
  • the fine ash in the cyclone that is not deposited in the primary dust collection chamber passes through the primary air outlet 211. It can be understood that the coarse Ash cannot pass through the first-level air outlet 211.
  • the secondary dust collector 30 includes a dust collecting tube 31 sheathed in the guiding sleeve 21 and one end abutting against the cavity bottom of the accommodating cavity 112, and a guiding cover 32 covering the other end of the dust collecting tube 31. There is a gap between the dust collecting cylinder 31 and the inner wall of the deflector sleeve 21, and the cyclone flowing out from the primary air outlet 211 flows upward along the gap.
  • the dust collecting cylinder 31 has a secondary dust collecting chamber, and the diversion cover 32 is provided with a secondary air inlet 321 connected to the secondary dust collecting chamber.
  • the cyclone flows out of the primary dust collecting chamber from the first air outlet 211 and passes through the second inlet.
  • the air hole 321 flows downward into the secondary dust collection chamber.
  • the diversion cover 32 is also provided with a secondary air outlet 323 for the cyclone to flow out of the secondary dust collection chamber, and the secondary air outlet 323 and the secondary air inlet 321 are arranged at intervals.
  • the fine ash in the cyclone is deposited in the secondary dust collection chamber along the inner wall of the secondary dust collection chamber under the action of inertia, and the cleaned cyclone flows out of the secondary dust collection chamber through the secondary air outlet 323.
  • the cyclone with dust flows into the first-stage dust collection chamber, it flows counterclockwise around the deflector sleeve 21.
  • the coarse ash in the cyclone is first deposited in the primary dust collection chamber.
  • the cyclone flows out of the primary dust collection chamber through the primary air outlet 211 and flows into the secondary dust collection chamber through the secondary air inlet 321.
  • the fine ash in the cyclone is deposited in the secondary dust collection chamber under the action of inertia.
  • the first-stage dust collector 20 further includes a first-stage dividing plate 24 for separating the first-stage dust collection chamber, and the first-stage dividing plate 24 is arced around the deflector sleeve 21 The two ends are connected to the inner wall of the first dust collecting chamber.
  • the first dust collecting outer chamber 114 is formed between the first dividing plate 24 and the inner wall of the first dust collecting chamber.
  • a first-stage dust collecting cavity 113 is formed between 24, and one end of the first-stage dividing plate 24 is provided with a first-stage dust collecting window 115 connecting the first-stage dust collecting inner cavity 113 and the first-stage dust collecting outer cavity 114, and the air inlet 111 is connected A dust collection cavity 113.
  • Part of the coarse ash in the cyclone enters through the primary dust collection window 115 and is deposited in the primary dust collection outer cavity 114 (as shown in the direction c in Figure 5).
  • the dust deposited in the primary dust collection cavity 114 is not easily affected by the cyclone. Disturbance helps the rapid deposition and filtration of dust.
  • the shape of the primary dust collection window 115 includes, but is not limited to, a square hole and a circular hole.
  • the first-stage dust collector 20 further includes a baffle 25 arranged in the first-stage dust-collecting outer cavity 114.
  • One end of the baffle 25 is connected to the first-stage partition plate 24, and the other end of the baffle 25 faces away from one end.
  • the dust collecting window 115 extends in the direction and forms an air groove 1142 between the side wall of the accommodating cavity 112 and the side wall.
  • a wedge-shaped section 1141 is formed between the baffle 25 and the primary partition plate 24.
  • the cyclone entrained dust passes through the air passage 1142, and the dust is deposited in the wedge-shaped section 1141. Due to the blocking effect of the baffle 25, the deposits in the wedge-shaped section 1141 The dust is not easily driven by the cyclone, but flows back to the first-stage dust collection cavity 113, which improves the filtering performance of the cyclone filter device 100.
  • the diversion sleeve 21 is located between the two primary partition plates 24 and forms the primary dust collection cavity 113 together with the two primary partition plates 24.
  • the two-stage dividing plates 24 separate two-stage dust-collecting outer cavities 114 respectively, and the first-stage dust-collecting inner cavity 113 is located between the two-stage dust-collecting outer cavities 114.
  • the extension path of the primary air outlet 211 is arranged in an arc shape.
  • the flow direction of the cyclone in the primary air outlet 211 is opposite to the flow direction of the cyclone in the primary dust collection chamber. That is, when the cyclone flows counterclockwise around the deflector sleeve 21 in the first-stage dust collection chamber (as shown in the direction a in Fig. 5), the cyclone flows clockwise (as shown in the direction b in Fig. 5) into the first-stage air outlet 211; Or when the cyclone flows clockwise around the deflector sleeve 21 in the primary dust collection chamber, the cyclone flows into the primary air outlet 211 counterclockwise.
  • the hair and other garbage in the cyclone will be blocked at the notch of the primary air outlet 211 and attached to the side surface of the deflector sleeve 21.
  • the garbage at the notch of the primary air outlet 211 It will be brought back into the cyclone and deposited in the primary dust collection chamber, thereby improving the filtering performance of the cyclone filter device 100.
  • a plurality of primary air outlet holes 211 are provided, and each primary air outlet hole 211 is evenly arranged around the circumference of the deflector sleeve 21.
  • the first-stage dust collector 20 further includes a skirt 23 having an annular structure, and the skirt 23 is sheathed at one end of the deflector sleeve 21 and disposed near the bottom of the first-stage dust collection chamber.
  • the skirt 23 can shield the dust deposited on the bottom of the primary dust collection chamber or the primary dust collection inner cavity 113, and prevent the dust deposited on the bottom of the primary dust collection chamber from being driven by the cyclone. In this way, through the action of the baffle 25 and the skirt 23, the garbage with a relatively large particle diameter is collected in the wedge-shaped section 1141 and the bottom of the first-stage dust collecting cavity 113, respectively.
  • the annular surface of the skirt plate 23 is arranged in a conical surface, and the outer edge of the skirt plate 23 is arranged close to the bottom of the first-stage dust collection chamber.
  • the inner plate edge of the skirt plate 23 is sleeved with the diversion sleeve 21, and the outer plate edge of the skirt plate 23 is disposed close to the bottom of the first-stage dust collecting inner cavity 113 relative to the inner plate edge, so that the annular surface of the skirt plate 23 is arranged in a tapered surface. In this way, not only the cyclone can be shielded, but also the dust deposited on the annular surface of the skirt 23 can fall along the conical annular surface to the bottom of the first-stage dust collecting cavity 113.
  • the secondary dust collector 30 further includes a secondary separation sleeve 34 for separating the secondary dust collection chamber, one end of the secondary separation sleeve 34 is connected to the inner wall of the secondary dust collection chamber, and two The other end of the stage divider sleeve 34 abuts against the bottom of the secondary dust collection chamber.
  • the cross-sectional area of the second stage divider sleeve 34 is tapered from one end to the other end.
  • the inner cavity of the second stage divider sleeve 34 forms a second stage.
  • the dust collecting inner cavity 311, the outer surface of the secondary separating sleeve 34 and the inner wall of the dust collecting cylinder 31 form a secondary dust collecting outer cavity 312, and the secondary separating sleeve 34 is also provided with a connecting secondary dust collecting inner cavity 311 and The secondary dust collecting window 341 of the secondary dust collecting outer cavity 312, the secondary air outlet 323 and the secondary air inlet 321 are all connected to the secondary dust collecting inner cavity 311.
  • each secondary dust collection window 341 is evenly distributed on the secondary partition sleeve 34.
  • the multiple secondary dust collection windows 341 improve the deposition efficiency of dust in the secondary dust collection outer cavity 312.
  • the shape of the secondary dust collecting window 341 includes, but is not limited to, a square hole and a circular hole.
  • the secondary dust collection window is set close to the cavity bottom of the secondary dust collection chamber, that is, the lower end of the secondary partition sleeve and the cavity bottom of the secondary dust collection chamber are set at a preset distance, that is, the secondary dust collection chamber
  • the dust collecting inner cavity and the secondary dust collecting outer cavity are connected at the lower end of the separating sleeve, and the airflow in the secondary dust collecting inner cavity can flow into the secondary dust collecting outer cavity from the lower end of the separating sleeve, which further improves the dust collection efficiency.
  • the structure is simple and simple. Efficient.
  • the housing structure 10 includes a base 11 and an inner cover 12, the accommodating cavity 112 is opened on the base 11 and the accommodating cavity 112 has an open structure, and the inner cover 12 covers the opening of the accommodating cavity 112 .
  • the inner cover 12 is detachably connected to the base 11 to facilitate the disassembly of the cyclone filter device 100.
  • the inner cover 12 is provided with an air outlet 324 communicating with the accommodating cavity 112, and the secondary dust collector 30 further includes a cyclone for guiding the cyclone from the secondary dust collection chamber to the outside.
  • the air duct 33 of the space one end of the air duct 33 is located at the secondary air outlet 323, and the other end of the air duct 33 is located at the air outlet 324.
  • the filtered cyclone in the secondary dust collection chamber can quickly flow out to the external space.
  • the hole wall of the secondary air inlet hole 321 is provided with a guide surface 322 for guiding the cyclone into the secondary dust collection chamber, and the guide surface 322 is arranged in a spiral surface around the axial direction of the air guide tube 33.
  • the diversion surface 322 may be arranged in a left or right spiral, so that the cyclone, guided by the diversion surface 322, flows into the secondary dust collection cavity 311 along the tangential direction of the diversion surface 322, and collects in the secondary dust.
  • the cavity cavity 311 flows counterclockwise or clockwise, so that the fine ash in the cyclone is deposited in the secondary dust collection cavity 311 under the action of inertia.
  • each guide surface is set in a left-handed spiral surface, that is, the airflow from the secondary air inlet into the secondary dust collection cavity is counterclockwise in the secondary dust collection cavity flow.
  • the diversion surfaces are all right-handed spiral surfaces, so that the airflow from the secondary air inlet into the secondary dust collection cavity flows clockwise in the secondary dust collection cavity .
  • guide surface 322 may also be arranged in a plane.
  • a plurality of secondary air inlet holes 321 are opened on the air guiding cover 32, and each secondary air inlet hole 321 is evenly arranged around the air guiding pipe 33.
  • the multiple secondary air inlets 321 can make the cyclone flow into the secondary dust collection chamber quickly, thereby improving the filtration efficiency.
  • the dust collector further includes a connecting ring 22 arranged at the opening of the accommodating cavity 112, the connecting ring 22 is sheathed and connected to the diversion sleeve 21.
  • the guide sleeve 21 can be positioned in the accommodating cavity 112 through the connecting ring 22.
  • the housing structure 10 further includes a positioning column 15 connected to the connecting ring 22 at one end and located between the connecting ring 22 and the inner cover 12, and the inner cover 12 is provided with a positioning hole 122 at a position corresponding to the positioning column 15.
  • the other end of the positioning pillar 15 is located in the positioning hole 122.
  • three positioning posts 15 are provided, and similarly, three positioning holes 122 are provided. The three positioning posts 15 are respectively fixedly matched with the three positioning holes 122.
  • the housing structure 10 further includes an outer cover 13 connected to the inner cover 12 and covered at the air outlet 324, and a deflector 14 located between the inner cover 12 and the outer cover 13.
  • the deflector 14 is a U-shaped structure, a diversion groove 141 is formed between the diversion plate 14 and the inner cover 12, the air outlet 324 is located at the bottom of the diversion groove 141, and the cyclone flows out of the secondary dust collection chamber from the air outlet 324 and flows into the diversion In the groove 141, the outer cover 13 is provided with an air outlet through hole 1411 that communicates with the diversion groove 141 and allows the cyclone to flow out of the diversion groove 141.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cyclones (AREA)

Abstract

一种旋风过滤装置（100）以及吸尘设备，旋风过滤装置（100）包括：壳体结构（10），开设有容置腔（112），一级除尘器（20），位于容置腔（112）且与容置腔（112）的内壁之间形成一级集尘腔，一级除尘器（20）包括导流套（21），旋风绕导流套（21）的周向流动，导流套（21）的侧表面开设有连通其内部且限制旋风中的粗灰通过的一级出风孔（211），以及二级除尘器（30），包括套于导流套（21）且一端抵接容置腔（112）的腔底的集尘筒（31）以及盖合于集尘筒另一端的导流盖（32），集尘筒（31）具有供旋风中的细灰沉积的二级集尘腔，导流盖（32）开设有连通二级集尘腔的二级进风孔（321），导流盖（32）还开设有供旋风流出二级集尘腔的二级出风孔（323）。

Description

一种旋风过滤装置以及吸尘设备 技术领域
本申请涉及清洁过滤技术领域，尤其涉及一种旋风过滤装置以及吸尘设备。
 背景技术
目前，现有的旋风过滤装置，多数采用过滤棉等细小间隙过滤法；或者采用结构简单和直接的旋风过滤装置。
但是，采用细小间隙过滤法，如果间隙过小，会导致气流压降低，牺牲了旋风过滤装置的吸力性能；如果间隙过大，则过滤效果不好。而采用简单的旋风过滤，也存在过滤效果差以及集尘腔体积小等缺点。
 技术问题
本申请的目的在于提供一种旋风过滤装置，旨在解决如何提高旋风过滤装置过滤性能的问题。
 技术解决方案
本申请是这样实现的，一种旋风过滤装置，用于清洁和过滤旋风中的灰尘，包括：
壳体结构，开设有容置腔，所述壳体结构的表面还开设有连通所述容置腔且供所述旋风流入所述容置腔的进风口；
一级除尘器，位于所述容置腔且与所述容置腔的内壁之间形成一级集尘腔，所述一级除尘器包括导流套，所述旋风绕所述导流套的周向流动，以使所述旋风中的粗灰沿所述一级集尘腔的侧壁沉积，所述导流套的侧表面开设有连通其内部且限制所述旋风中的粗灰通过的一级出风孔；以及
二级除尘器，包括套于所述导流套且一端抵接所述容置腔的腔底的集尘筒以及盖合于所述集尘筒另一端的导流盖，所述集尘筒具有供所述旋风中的细灰沉积的二级集尘腔，所述导流盖开设有连通所述二级集尘腔的二级进风孔，所述旋风从所述一级出风孔流出所述一级集尘腔并经所述二级进风孔流入所述二级集尘腔且所述旋风中的细灰沉积于所述二级集尘腔，所述导流盖还开设有供所述旋风流出所述二级集尘腔的二级出风孔，所述二级出风孔与所述二级进风孔间隔设置。
在一个实施例中，所述一级除尘器还包括用于分隔所述一级集尘腔的一级分隔板，所述一级分隔板绕所述导流套呈弧形布置且两端均连接所述一级集尘腔的内壁，所述一级分隔板与所述一级集尘腔的内壁之间形成一级集尘外腔，所述导流套与所述一级分隔板之间形成一级集尘内腔，所述一级分隔板的一端开设有连通所述一级集尘内腔与所述一级集尘外腔的一级集尘窗口，所述进风口连通所述一级集尘内腔。
在一个实施例中，所述一级除尘器还包括设置在所述一级集尘外腔内的挡板，所述挡板的一端连接所述一级分隔板，所述挡板的另一端朝背离所述一级集尘窗口的方向延伸布置且与所述容置腔的侧壁之间形成过风槽。
在一个实施例中，所述一级分隔板设置有两个，所述导流套位于两所述一级分隔板之间且与两所述一级分隔板共同形成所述一级集尘内腔。
在一个实施例中，所述一级出风孔的延伸路径呈弧形设置。
在一个实施例中，所述一级出风孔开设有多个，各所述一级出风孔绕所述导流套的周向均匀布置。
在一个实施例中，所述一级除尘器还包括呈环形结构的裙板，所述裙板外套于所述导流套的一端且靠近所述一级集尘腔的腔底设置。
在一个实施例中，所述裙板的环面呈锥面设置，且所述裙板的外板边靠近所述一级集尘腔的腔底设置。
在一个实施例中，所述二级除尘器还包括用于分隔所述二级集尘腔的二级分隔套，所述二级分隔套的一端连接所述二级集尘腔的内壁，所述二级分隔套的另一端抵接所述二级集尘腔的腔底，所述二级分隔套的横截面面积从其一端往其另一端呈渐缩设置，所述二级分隔套的内腔形成二级集尘内腔，所述二级分隔套的外表面与所述集尘筒的内壁之间形成二级集尘外腔，所述分隔套上还开设有连通所述二级集尘内腔与所述二级集尘外腔的二级集尘窗口，所述二级出风孔与所述二级进风孔均连通所述二级集尘内腔。
在一个实施例中，所述二级集尘窗口开设有多个，各所述二级集尘窗口于所述二级分隔套上均匀分布。
在一个实施例中，所述壳体结构包括底座以及内罩盖，所述底座开设有所述容置腔，所述容置腔呈开口腔结构，所述内罩盖设置于所述容置腔的开口处。
在一个实施例中，所述内罩盖开设有连通所述容置腔的出风口，所述二级除尘器还包括用于将所述旋风从所述二级集尘腔导出至外部空间的导风管，所述导风管的一端位于所述二级出风孔，所述导风管的另一端位于所述出风口。
在一个实施例中，所述导流盖上开设有多个所述二级进风孔，各所述二级进风孔绕所述导风管均匀布置。
在一个实施例中，所述二级进风孔的孔壁设有引导所述旋风进入所述二级集尘腔的导流面，所述导流面绕所述导风管的轴向呈螺旋面或平面设置。
在一个实施例中，所述一级除尘器还包括设置于所述容置腔开口处的连接环，所述连接环外套并连接所述导流套。
在一个实施例中，所述壳体结构还包括连接所述内罩盖且罩盖于所述出风口处的外罩盖以及位于所述内罩盖与所述外罩盖之间的导流板，所述导流板呈U形结构，所述导流板与所述内罩盖之间形成导流槽，所述出风口位于所述导流槽的槽底，所述外罩盖开设有连通所述导流槽且供所述旋风流出所述导流槽的出风通孔。
本申请还提供了一种吸尘设备，其包括：如上所述的旋风过滤装置。
 有益效果
带有灰尘的旋风流入一级集尘腔后，绕导流套逆时针流动。旋风中的粗灰首先沉积在一级集尘腔。旋风通过一级出风孔流出一级集尘腔并经二级进风孔流入二级集尘腔，旋风中的细灰在惯性的作用下沉积于二级集尘腔。通过设置两级过滤，将旋风中的灰尘逐级过滤，即先主要过滤旋风中的粗灰，从而达到充分过滤旋风中灰尘的目的，提高了旋风过滤装置的过滤性能。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请实施例所提供的旋风过滤装置的立体结构图；
图2是图1的旋风过滤装置的爆炸图；
图3是图1的局部剖视图；
图4是图1的旋风过滤装置沿水平方向的剖视图；
图5是图1的旋风过滤装置沿水平方向的另一剖视图；
图6是图5的A处的局部放大图；
图7是图2的导流盖的立体结构图；
图8是图2的二级除尘器与壳体结构的剖视图。
图9是本申请另一实施例所提供的旋风过滤装置的局部剖视图；
图10是图9的旋风过滤装置的二级除尘器的立体结构图；
图11是图10的二级除尘器的爆炸图；
图12是图10的二级除尘器沿垂直导风管轴向方向的剖视图；
图13是本申请又一实施例所提供的二级除尘器沿导风管轴向的剖视图。
 本发明的实施方式
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚地描述，显然，所描述的实施例是本申请一部分的实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。
本申请的说明书和权利要求书及上述附图中的术语“包括”以及它们任何变形，意图在于覆盖不排他的包含。例如包含一系列步骤或单元的过程、方法或系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。此外，术语“第一”、“第二”和“第三”等是用于区别不同对象，而非用于描述特定顺序。
请参阅图1至图3，本申请的实施例提供了一种旋风过滤装置100以及具有其的吸尘设备。吸尘设备可以过滤清除地面上的灰尘、毛发以及食物碎屑等垃圾。可选地，本实施例中灰尘以旋风的形式被吸入旋风过滤装置100内，以过滤清除旋风中的灰尘。可以理解的是，灰尘包括粗灰和细灰，粗灰的颗粒直径大于细灰的颗粒直径。
旋风过滤装置100包括：壳体结构10、一级除尘器20以及二级除尘器30。壳体结构10由塑胶材料制成且开设有容置腔112，壳体结构10的表面还开设有连通容置腔112且供旋风流入容置腔112的进风口111。可选地，壳体结构10平铺设置于地面。一级除尘器20位于容置腔112内，且与容置腔112的内壁之间形成一级集尘腔。一级除尘器20包括导流套21，旋风绕导流套21的周向流动，以使旋风中的粗灰沿一级集尘腔的侧壁沉积。可选地，从上往下看时，旋风于一级集尘腔内绕导流套21的周向逆时针流动，旋风中的粗灰在惯性的作用下沿导流套21和壳体结构10的内壁沉积于一级集尘腔内。导流套21的侧表面开设有连通其内部且供旋风中的细灰通过的一级出风孔211。一级出风孔211连通一级集尘腔和导流套21的内部，旋风中的未沉积在一级集尘腔内的细灰穿过一级出风孔211，可以理解的是，粗灰不能通过一级出风孔211。二级除尘器30包括套于导流套21且一端抵接容置腔112的腔底的集尘筒31以及盖合于集尘筒31另一端的导流盖32。集尘筒31与导流套21的内壁之间具有间隙，从一级出风孔211流出的旋风沿间隙向上流动。集尘筒31具有二级集尘腔，导流盖32开设有连通二级集尘腔的二级进风孔321，旋风从一级出风孔211流出一级集尘腔并经二级进风孔321向下流入二级集尘腔。导流盖32还开设有供旋风流出二级集尘腔的二级出风孔323，二级出风孔323与二级进风孔321间隔设置。旋风中的细灰在惯性的作用下沿二级集尘腔的内壁沉积于二级集尘腔，而被清洁的旋风经二级出风孔323流出二级集尘腔。
带有灰尘的旋风流入一级集尘腔后，绕导流套21逆时针流动。旋风中的粗灰首先沉积在一级集尘腔。旋风通过一级出风孔211流出一级集尘腔并经二级进风孔321流入二级集尘腔，旋风中的细灰在惯性的作用下沉积于二级集尘腔。通过设置两级过滤，将旋风中的灰尘逐级过滤，即先主要过滤旋风中的粗灰，从而达到充分过滤旋风中灰尘的目的，提高了旋风过滤装置100的过滤性能。
请参阅图4至图6，在一个实施例中，一级除尘器20还包括用于分隔一级集尘腔的一级分隔板24，一级分隔板24绕导流套21呈弧形布置且两端均连接一级集尘腔的内壁，一级分隔板24与一级集尘腔的内壁之间形成一级集尘外腔114，导流套21与一级分隔板24之间形成一级集尘内腔113，一级分隔板24的一端开设有连通一级集尘内腔113与一级集尘外腔114的一级集尘窗口115，进风口111连通一级集尘内腔113。旋风中的部分粗灰经一级集尘窗口115进入并沉积于一级集尘外腔114（如图5中方向c所示），沉积于一级集尘外腔114内的灰尘不易被旋风扰动，有助于灰尘的快速沉积和过滤。
可选地，一级集尘窗口115的形状包括但不限于方形孔和圆形孔。
在一个实施例中，一级除尘器20还包括设置在一级集尘外腔114内的挡板25，挡板25的一端连接一级分隔板24，挡板25的另一端朝背离一级集尘窗口115的方向延伸布置且与容置腔112的侧壁之间形成过风槽1142。挡板25与一级分隔板24之间形成楔形区间1141，夹带灰尘的旋风通过过风槽1142，而灰尘沉积在楔形区间1141内，由于挡板25的阻隔作用，楔形区间1141内沉积的灰尘不易被旋风带动，而回流至一级集尘内腔113，提高了旋风过滤装置100的过滤性能。
在一个实施例中，一级分隔板24设置有两个，导流套21位于两一级分隔板24之间且与两一级分隔板24共同形成一级集尘内腔113。两一级分隔板24分别分隔出两一级集尘外腔114，一级集尘内腔113位于两一级集尘外腔114之间。
请参阅图4和图5，在一个实施例中，一级出风孔211的延伸路径呈弧形设置。具体地，旋风于一级出风孔211内的流动方向与旋风于一级集尘腔内的流动方向相反。即旋风于一级集尘腔内绕导流套21逆时针流动时（如图5中方向a所示），旋风顺时针（如图5中方向b所示）流入一级出风孔211；或旋风于一级集尘腔内绕导流套21顺时针流动时，旋风逆时针流入一级出风孔211。这样旋风中的毛发等垃圾会阻挡在一级出风孔211的槽口处并附着于导流套21的侧表面，随着旋风的继续流动，一级出风孔211的槽口处的垃圾会重新带入旋风中并沉积在一级集尘腔内，从而提高了旋风过滤装置100的过滤性能。
在一个实施例中，一级出风孔211开设有多个，各一级出风孔211绕导流套21的周向均匀布置。
在一个实施例中，一级除尘器20还包括呈环形结构的裙板23，裙板23外套于导流套21的一端且靠近一级集尘腔的腔底设置。裙板23可以遮挡沉积在一级集尘腔或一级集尘内腔113的腔底的灰尘，避免旋风带动沉积在一级集尘腔的腔底上的灰尘。这样通过挡板25和裙板23的作用，颗粒直径比较大的垃圾分别被收集在楔形区间1141内和一级集尘内腔113的腔底。
在一个实施例中，裙板23的环面呈锥面设置，且裙板23的外板边靠近一级集尘腔的腔底设置。裙板23的内板边套接导流套21，裙板23的外板边相对内板边靠近一级集尘内腔113的腔底设置，使得裙板23的环表面呈锥面设置，这样不但可以遮挡旋风，还可以使沉积在裙板23环面上的灰尘，沿锥形环面掉落至一级集尘内腔113的腔底。
请参阅图8，在一个实施例中，二级除尘器30还包括用于分隔二级集尘腔的二级分隔套34，二级分隔套34的一端连接二级集尘腔的内壁，二级分隔套34的另一端抵接二级集尘腔的腔底，二级分隔套34的横截面面积从其一端往其另一端呈渐缩设置，二级分隔套34的内腔形成二级集尘内腔311，二级分隔套34的外表面与集尘筒31的内壁之间形成二级集尘外腔312，二级分隔套34上还开设有连通二级集尘内腔311与二级集尘外腔312的二级集尘窗口341，二级出风孔323与二级进风孔321均连通二级集尘内腔311。流入二级集尘内腔311的旋风，由于惯性的作用，旋风中的一部分细灰沿二级分隔套34的内壁沉积于二级集尘内腔311；旋风中的另一部分细灰通过二级集尘窗口341进入二级集尘外腔312中，并沉积在二级集尘外腔312内。
在一个实施例中，二级集尘窗口341开设有多个，各二级集尘窗口341于二级分隔套34上均匀分布。多个二级集尘窗口341提高了灰尘于二级集尘外腔312内的沉积效率。
可选地，二级集尘窗口341的形状包括但不限于方形孔和圆形孔。
可选地，请参阅图13，二级集尘窗口靠近二级集尘腔的腔底设置，即二级分隔套的下端与二级集尘腔的腔底呈预设距离设置，即二级集尘内腔与二级集尘外腔于分隔套的下端处连通，二级集尘内腔的气流可以从分隔套的下端流入二级集尘外腔，进一步提高集尘效率，结构简洁且高效。
在一个实施例中，壳体结构10包括底座11以及内罩盖12，容置腔112开设于底座11上且容置腔112呈开口结构，内罩盖12盖于容置腔112的开口处。内罩盖12可拆卸地连接底座11，方便旋风过滤装置100的拆卸。
请参阅图7至图8，在一个实施例中，内罩盖12开设有连通容置腔112的出风口324，二级除尘器30还包括用于将旋风从二级集尘腔导出至外部空间的导风管33，导风管33的一端位于二级出风孔323，导风管33的另一端位于出风口324。通过导风管33，二级集尘腔内被过滤的旋风能迅速流出至外部空间。
在一个实施例中，二级进风孔321的孔壁设有引导旋风进入二级集尘腔的导流面322，导流面322绕导风管33的轴向呈螺旋面设置。具体地，导流面322可以呈左螺旋或右螺旋设置，从而旋风在导流面322的引导下，沿导流面322的切向流入二级集尘内腔311，并在二级集尘腔内腔311以逆时针或顺时针流动，从而使旋风中的细灰在惯性作用下沉积于二级集尘内腔311。
可选地，请参阅图7至图8，各导流面均呈左旋螺面设置，即从而从二级进风孔流入二级集尘内腔的气流在二级集尘内腔以逆时针流动。
可选地，请参阅图9至图11，导流面均呈右旋螺面设置，从而从二级进风孔流入二级集尘内腔的气流在二级集尘内腔以顺时针流动。
可以理解的是，导流面322也可以是呈平面设置。
在一个实施例中，导流盖32上开设有多个二级进风孔321，各二级进风孔321绕导风管33均匀布置。多个二级进风孔321可以使旋风迅速流入二级集尘腔，从而提高过滤效率。
在一个实施例中，以及除尘器还包括设置于容置腔112开口处的连接环22，连接环22外套并连接导流套21。通过连接环22可以将导流套21定位于容置腔112内。
在一个实施例中，壳体结构10还包括一端连接连接环22且位于连接环22与内罩盖12之间的定位柱15，内罩盖12对应定位柱15的位置开设有定位孔122，定位柱15的另一端位于定位孔122。可选地，定位柱15设置有三根，同样地，定位孔122也开设有三个。三个定位柱15分别与三个定位孔122固定配合。
在一个实施例中，壳体结构10还包括连接内罩盖12且罩盖于出风口324处的外罩盖13以及位于内罩盖12与外罩盖13之间的导流板14，导流板14呈U形结构，导流板14与内罩盖12之间形成导流槽141，出风口324位于导流槽141的槽底，旋风从出风口324流出二级集尘腔并流入导流槽141，外罩盖13开设有连通导流槽141且供旋风流出导流槽141的出风通孔1411。
以上仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。

Claims (17)

  1. 一种旋风过滤装置，用于清洁和过滤旋风中的灰尘，其特征在于，所述旋风过滤装置包括：
    壳体结构，开设有容置腔，所述壳体结构的表面还开设有连通所述容置腔且供所述旋风流入所述容置腔的进风口；
    一级除尘器，位于所述容置腔且与所述容置腔的内壁之间形成一级集尘腔，所述一级除尘器包括导流套，所述旋风绕所述导流套的周向流动，以使所述旋风中的粗灰沿所述一级集尘腔的侧壁沉积，所述导流套的侧表面开设有连通其内部且限制所述旋风中的粗灰通过的一级出风孔；以及
    二级除尘器，包括套于所述导流套且一端抵接所述容置腔的腔底的集尘筒以及盖合于所述集尘筒另一端的导流盖，所述集尘筒具有供所述旋风中的细灰沉积的二级集尘腔，所述导流盖开设有连通所述二级集尘腔的二级进风孔，所述旋风从所述一级出风孔流出所述一级集尘腔并经所述二级进风孔流入所述二级集尘腔且所述旋风中的细灰沉积于所述二级集尘腔，所述导流盖还开设有供所述旋风流出所述二级集尘腔的二级出风孔，所述二级出风孔与所述二级进风孔间隔设置。
  2. 如权利要求1所述的旋风过滤装置，其特征在于：所述一级除尘器还包括用于分隔所述一级集尘腔的一级分隔板，所述一级分隔板绕所述导流套呈弧形布置且两端均连接所述一级集尘腔的内壁，所述一级分隔板与所述一级集尘腔的内壁之间形成一级集尘外腔，所述导流套与所述一级分隔板之间形成一级集尘内腔，所述一级分隔板的一端开设有连通所述一级集尘内腔与所述一级集尘外腔的一级集尘窗口，所述进风口连通所述一级集尘内腔。
  3. 如权利要求2所述的旋风过滤装置，其特征在于：所述一级除尘器还包括设置在所述一级集尘外腔内的挡板，所述挡板的一端连接所述一级分隔板，所述挡板的另一端朝背离所述一级集尘窗口的方向延伸布置且与所述容置腔的侧壁之间形成过风槽。
  4. 如权利要求2所述的旋风过滤装置，其特征在于：所述一级分隔板设置有两个，所述导流套位于两所述一级分隔板之间且与两所述一级分隔板共同形成所述一级集尘内腔。
  5. 如权利要求1所述的旋风过滤装置，其特征在于：所述一级出风孔的延伸路径呈弧形设置。
  6. 如权利要求1-5任意一项所述的旋风过滤装置，其特征在于：所述一级出风孔开设有多个，各所述一级出风孔绕所述导流套的周向均匀布置。
  7. 如权利要求1-5任意一项所述的旋风过滤装置，其特征在于：所述一级除尘器还包括呈环形结构的裙板，所述裙板外套于所述导流套的一端且靠近所述一级集尘腔的腔底设置。
  8. 如权利要求7所述的旋风过滤装置，其特征在于：所述裙板的环面呈锥面设置，且所述裙板的外板边靠近所述一级集尘腔的腔底设置。
  9. 如权利要求1-5任意一项所述的旋风过滤装置，其特征在于：所述二级除尘器还包括用于分隔所述二级集尘腔的二级分隔套，所述二级分隔套的一端连接所述二级集尘腔的内壁，所述二级分隔套的另一端抵接所述二级集尘腔的腔底，所述二级分隔套的横截面面积从其一端往其另一端呈渐缩设置，所述二级分隔套的内腔形成二级集尘内腔，所述二级分隔套的外表面与所述集尘筒的内壁之间形成二级集尘外腔，所述分隔套上还开设有连通所述二级集尘内腔与所述二级集尘外腔的二级集尘窗口，所述二级出风孔与所述二级进风孔均连通所述二级集尘内腔。
  10. 如权利要求9所述的旋风过滤装置，其特征在于：所述二级集尘窗口开设有多个，各所述二级集尘窗口于所述二级分隔套上均匀分布。
  11. 如权利要求1-5任意一项所述的旋风过滤装置，其特征在于：所述壳体结构包括底座以及内罩盖，所述底座开设有所述容置腔，所述容置腔呈开口腔结构，所述内罩盖设置于所述容置腔的开口处。
  12. 如权利要求11所述的旋风过滤装置，其特征在于：所述内罩盖开设有连通所述容置腔的出风口，所述二级除尘器还包括用于将所述旋风从所述二级集尘腔导出至外部空间的导风管，所述导风管的一端位于所述二级出风孔，所述导风管的另一端位于所述出风口。
  13. 如权利要求12所述的旋风过滤装置，其特征在于：所述导流盖上开设有多个所述二级进风孔，各所述二级进风孔绕所述导风管均匀布置。
  14. 如权利要求12所述的旋风过滤装置，其特征在于：所述二级进风孔的孔壁设有引导所述旋风进入所述二级集尘腔的导流面，所述导流面绕所述导风管的轴向呈螺旋面或平面设置。
  15. 如权利要求11所述的旋风过滤装置，其特征在于：所述一级除尘器还包括设置于所述容置腔开口处的连接环，所述连接环外套并连接所述导流套。
  16. 如权利要求12-15任意一项所述的旋风过滤装置，其特征在于：所述壳体结构还包括连接所述内罩盖且罩盖于所述出风口处的外罩盖以及位于所述内罩盖与所述外罩盖之间的导流板，所述导流板呈U形结构，所述导流板与所述内罩盖之间形成导流槽，所述出风口位于所述导流槽的槽底，所述外罩盖开设有连通所述导流槽且供所述旋风流出所述导流槽的出风通孔。
  17. 一种吸尘设备，其特征在于，包括：如权利要求1-16任意一项所述的旋风过滤装置。
PCT/CN2019/108146 2019-09-26 2019-09-26 一种旋风过滤装置以及吸尘设备 WO2021056329A1 (zh)

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