WO2022053034A1 - Séparateur cyclonique et collecteur de poussière portatif - Google Patents

Séparateur cyclonique et collecteur de poussière portatif Download PDF

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Publication number
WO2022053034A1
WO2022053034A1 PCT/CN2021/117868 CN2021117868W WO2022053034A1 WO 2022053034 A1 WO2022053034 A1 WO 2022053034A1 CN 2021117868 W CN2021117868 W CN 2021117868W WO 2022053034 A1 WO2022053034 A1 WO 2022053034A1
Authority
WO
WIPO (PCT)
Prior art keywords
cyclone
dust
separation layer
cover
dust bin
Prior art date
Application number
PCT/CN2021/117868
Other languages
English (en)
Chinese (zh)
Inventor
方剑强
吴文仙
王跃旦
Original Assignee
宁波富佳实业股份有限公司
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
Priority claimed from CN202010956539.XA external-priority patent/CN112206933B/zh
Application filed by 宁波富佳实业股份有限公司 filed Critical 宁波富佳实业股份有限公司
Publication of WO2022053034A1 publication Critical patent/WO2022053034A1/fr

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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
    • 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
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/24—Hand-supported suction cleaners
    • 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
    • B04C5/08—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
    • B04C5/24—Multiple arrangement thereof
    • B04C5/28—Multiple arrangement thereof for parallel flow

Definitions

  • the invention relates to the technical field of cleaning electrical appliances, more specifically to a cyclone separator for a vacuum cleaner and a hand-held vacuum cleaner.
  • Vacuum cleaners are widely loved by people because of their good cleaning effect.
  • the vacuum cleaner includes a main body and a motor and fan unit located in the main body.
  • the main body is connected with a cyclone separator, and the cyclone separator is provided with a dust-laden air inlet.
  • the motor and fan unit in the main body work, the dirt is drawn into the cyclone through the dust-laden air inlet.
  • Cyclone separators are commonly used to separate the contaminants from the gas stream, and the cleaned gas then exits the cyclone separator by means of a motor and fan unit and exits from an exhaust port defined in the body.
  • the cyclone separator includes a plurality of cyclones, and the plurality of cyclones of the current cyclone separator are arranged in one layer, and the conical openings of the plurality of cyclones face the same side.
  • the cyclone separator with this structure is still not effective in separating fine dust, and a small amount of fine dust is mixed in the cleaned air flow; if two layers of cyclones are arranged in parallel in tandem, the cyclone separator will be enlarged. , it looks bulky.
  • the applicant has developed a cyclone separator with multi-layer cyclone cones, which is characterized in that the axes of the cyclone cones of each layer are basically arranged along the axial direction, so that the structure compactness is greatly improved, and the cyclone separator can be It is installed downstream of the first cyclone separation unit to become the second cyclone separation unit.
  • the cyclone separator can be almost completely installed in the first cyclone separation unit, so that the volume of the entire cyclone separation unit is relative to the existing one.
  • the technology is significantly reduced so that it can be widely used in hand-held vacuum cleaners.
  • the dust drop ports of the multi-layer cyclone cones are connected to the same dust bin, and the dust bin is generally designed below the dust drop ports. Therefore, on the one hand, there are mutual It is not conducive to the separation performance of the cyclone cones of each layer.
  • the large number of cyclone cones in the upper layer the total amount of dust is relatively large. Therefore, during the use period, the accumulation of dust will affect the cyclone cones in the lower layer.
  • the dust outlet constitutes a greater impact.
  • the technical problem to be solved by the present invention is to provide a cyclone separator, which has a good effect of separating fine dust, has a compact structure and a small volume; and also proposes a cyclone separator, which can reduce the difference between the cyclone cones of each layer. In addition, the accumulation of dust can be avoided to have a great influence on the dust drop port of the lower cyclone cone; a hand-held vacuum cleaner is also proposed, which adopts the cyclone separator.
  • the technical solution of the present invention is to provide a cyclone separator with the following structure, comprising an outer frame, wherein a first cyclone separation layer and a second cyclone separation layer are arranged in the outer frame; the first cyclone separation layer
  • the layer includes a plurality of first cyclones, the plurality of first cyclones are arranged in a ring shape, the conical inlets of the plurality of first cyclones face the same side, and the side of the conical inlet end of each first cyclone is provided with A first air inlet; a space is formed between the dust outlets of the plurality of first cyclones;
  • the second cyclone separation layer includes a plurality of second cyclones, and the plurality of second cyclones are arranged in a ring shape, and many The conical inlets of the second cyclones face the same side, and the side of the conical inlet end of each second cyclone is provided with a second air inlet; the conical inlet end
  • a cyclone separator is also proposed, wherein the dust drop port of the first cyclone falls into the first dust bin, the dust drop port of the second cyclone falls into the second dust bin, the first dust bin, The second dust bins are isolated from each other. Since the first dust bin and the second dust bin are isolated from each other, the mutual influence between the cyclone cones of each layer is reduced. The dust falling from the cyclone will not quickly pile up the space where the second dust bin is located, so as to avoid the accumulation of dust from having a great influence on the dust falling port of the lower cyclone cone.
  • connection ring is provided at the middle through hole of the first cyclone separation layer, and the tapered inlet end of the second cyclone separation layer is connected to the connection ring.
  • a second cyclone cover is provided between the second cyclone separation layer and the connecting ring, and the second cyclone cover covers the tapered inlet end of the second cyclone separation layer And the second cyclone cover is fixedly connected with the second cyclone separation layer; the second cyclone cover is provided with a second ventilation hole at the position corresponding to the conical inlet of each cyclone, so The second ventilation hole is communicated with the inner cavity of the second cyclone; the edge of the second cyclone cover close to the side of the connecting ring is sealingly connected with the end face of the connecting ring, The second ventilation hole is communicated with the inner cavity of the connecting ring.
  • the second cyclone cover is covered on the conical inlet end of the second cyclone separation layer, so that the airflow cleaned by the second cyclone is sucked out from the second ventilation hole, and then sucked into the through hole of the connecting ring, Avoid wind blowing elsewhere.
  • the second cyclone cover is close to one side of the second cyclone, and a second ventilation pipe is connected at the position of each second ventilation hole, and the second ventilation pipe extends into the in the conical inlet of the second cyclone.
  • the second ventilation pipe has a flow guiding effect.
  • a second gasket is provided between the tapered inlet end of the second cyclone separation layer and the second cyclone cover, and the second gasket corresponds to each second ventilation hole
  • a second escape hole is provided at each position, and the second ventilation pipe extends into the second cyclone through the second escape hole.
  • the conical inlet end of the first cyclone separation layer is covered with a first cyclone cover; the first cyclone cover is fixedly connected with the second cyclone cover; the first cyclone cover is A first ventilation hole is provided at a position corresponding to the conical inlet of each cyclone, and the first ventilation hole communicates with the inner cavity of the first cyclone.
  • the first cyclone cover is covered on the conical inlet end of the first cyclone separation layer, so that the airflow cleaned by the first cyclone is sucked out from the first ventilation hole, and then sucked into the through hole of the connecting ring, Avoid wind blowing elsewhere.
  • the first cyclone cover is close to one side of the first cyclone and a first ventilation pipe is connected at the position of each first ventilation hole, and the first ventilation pipe extends into the inside the conical inlet of the first cyclone.
  • the first ventilation pipe has a flow guiding effect.
  • a first gasket is provided between the tapered inlet end of the first cyclone separation layer and the first cyclone cover, and the first gasket corresponds to each of the first ventilation holes There are first avoidance holes at the positions of the first cyclones, and the first ventilation pipes extend into the first cyclone through the first avoidance holes.
  • the first sealing gasket has a sealing effect to prevent wind from leaking from the connection between the first cyclone and the first ventilation pipe.
  • the second cyclone of the second cyclone separation layer is located at a position between the two first cyclones of the first cyclone separation layer.
  • the outer frame includes an air guide ring and a separator, and the air guide ring and the separator are connected by connecting columns; the first cyclone separation layer and the second cyclone separation layer are both installed in the outer frame; the first air inlet of the first cyclone separation layer is located on the inner side of the wind guide ring; the middle part of the separation sheet is provided with the second cyclone separation layer The matching hole corresponding to the dust outlet, the dust outlet of the second cyclone separation layer is exposed outside the outer frame through the matching hole; the separator is separated from the first cyclone.
  • the positions corresponding to the dust-falling openings of the first cyclones of the first cyclone layer are provided with dust-falling through holes;
  • the ports are communicated with the corresponding dust-falling through holes.
  • a wind baffle is provided between two adjacent first cyclones of the first cyclone separation layer, and the wind baffle is located outside the second air inlet of the second cyclone.
  • One end of the wind deflector is connected with the separator.
  • each wind deflector is respectively connected to the corresponding connecting column. After adopting this structure, the wind deflector is connected to the connecting column, and the wind deflector is more stable.
  • the outer frame jacket is provided with an air inlet net, and the air inlet net is arranged between the air guide ring and the separation sheet.
  • the air inlet net can isolate the large dust from entering the cyclone separator.
  • a dust-falling nozzle is connected to the separating sheet, the dust-falling through hole of the separating sheet is communicated with the inner cavity of the dust-falling nozzle, and the dust-falling port of the second cyclone separation layer protrudes into the dust-falling nozzle. inside the dust mouth.
  • the dust nozzle can gather the effect of dust collection.
  • the first air inlet is arranged outside the tapered inlet end of the first cyclone and the first air inlet faces the outside of the cyclone separator.
  • the outer circumference of the cyclone is tangent;
  • the second air inlet is arranged on the outer side of the conical inlet end of the second cyclone and the second air inlet faces the outside of the cyclone separator, and the second air inlet is connected to the outer side of the cyclone separator.
  • the outer circumference of the second cyclone is tangent.
  • the first air inlet and the second air inlet face the outside of the cyclone separator, and the airflow is sucked from the first air inlet and the second air inlet, and the cyclone separator is easy to clean, and the phenomenon of mold and odor will not occur.
  • the cyclone separator of the present invention has the following advantages: since the cyclone separator of the present invention includes a first cyclone separation layer and a second cyclone separation layer, the double-layer cyclone layer has limited There are more cyclones in the space, which can enhance the effect of the cyclone separator to separate fine dust, so that the air flow after being cleaned by the cyclone separator is cleaner.
  • the conical inlet end of the second cyclone separation layer extends into the middle through hole of the first cyclone separation layer, and the structure is relatively compact, so that the overall volume is small.
  • FIG. 1 is a schematic three-dimensional structure diagram of a cyclone separator of the present invention.
  • FIG. 2 is a schematic diagram of the explosion structure of the cyclone separator of the present invention.
  • FIG. 3 is a partial perspective structural schematic diagram of the cyclone separator of the present invention.
  • FIG. 4 is a schematic diagram of the assembled structure of the first cyclone separation layer and the second cyclone separation layer of the cyclone separator of the present invention.
  • FIG. 5 is a schematic diagram of the explosion structure of the first cyclone separation layer and the second cyclone separation layer of the cyclone separator of the present invention.
  • FIG. 6 is a schematic three-dimensional structure diagram of the outer frame of the cyclone separator of the present invention.
  • FIG. 7 is a schematic three-dimensional structure diagram of another angle of the outer frame of the cyclone separator of the present invention.
  • FIG. 8 is a schematic three-dimensional structure diagram of the hand-held vacuum cleaner using the second embodiment.
  • FIG. 9 is a schematic three-dimensional structural diagram of FIG. 8 after removing the outer cover of the first cyclone separation unit.
  • FIG. 10 is a schematic three-dimensional structural diagram of FIG. 9 after removing the lower part and the upper air inlet filter cover of the second cyclone separation unit.
  • FIG. 11 is a schematic three-dimensional structural diagram of FIG. 10 after removing the baffle.
  • FIG. 12 is a schematic structural diagram of the second cyclone separation layer of the third embodiment.
  • Figure 13 is a schematic perspective view of a detached part of a hand-held vacuum cleaner.
  • FIG. 14 is a schematic perspective view of the filter assembly shown in FIG. 13 after installation.
  • FIG. 1 to FIG. 7 show the first embodiment.
  • the present invention discloses a cyclone separator including an outer frame 1 , a first cyclone separation layer 2 and a second cyclone separation layer 3 .
  • the dust drop ports of the first cyclones 201 of the first cyclone separation layer 2 and the dust drop ports of the second cyclones 301 of the second cyclone separation layer 3 are all connected to the same dust bin, and the second embodiment Compared with the first embodiment, the difference is that the dust outlet of the first cyclone 201 falls into the first dust chamber, the dust outlet of the second cyclone 301 falls into the second dust chamber, and the first dust outlet falls into the second dust chamber.
  • the bin and the second dust bin are isolated from each other.
  • the first dust bin and the second dust bin are completely sealed by the baffle 6, and the other is that the first dust bin is sealed by the baffle 6,
  • the second dust bin is also sealed by the baffle 6, but there is a certain gap between the second dust bin and the baffle 6. Although there is a gap, the gap is not large, so it is not enough for the first dust bin and the second dust bin to generate
  • the accumulation of dust in the first dust chamber and/or the accumulation of dust in the second dust chamber can also be used to cover the gap naturally. Since the gap is not large, the coverage is very fast. will be completed, further achieving isolation.
  • the outer frame 1 includes an interface 101 , an air guide ring 102 and a separator 103 , and the air guide ring 102 and the separator 103 are connected by connecting posts 104 .
  • One end of the air guide ring 102 away from the separator 103 is connected to the interface 101 .
  • the interface 101 is provided with a stepped surface 105 therein.
  • a plurality of clamping blocks 106 are evenly arranged on the inner wall of the interface 101 .
  • the outer frame 1 is covered with an air inlet net 107 , and the air inlet net 107 is arranged between the air guide ring 102 and the separation sheet 103 .
  • the first cyclone separation layer 2 includes a plurality of first cyclones 201 , and the plurality of first cyclones 201 are arranged in an annular shape and two adjacent first cyclones 201 are fixedly connected.
  • One end of the first cyclone 201 is provided with a conical inlet, and the other end of the first cyclone 201 is provided with a dust drop port.
  • the first air inlet 202 is provided on the side wall of the tapered inlet end of the first cyclone 201.
  • the first air inlet 202 is arranged on the outer side of the tapered inlet end, and the first air inlet 202 faces the outside of the cyclone separator.
  • the first air inlet 202 is tangent to the outer circumference of the first cyclone 201 ; the airflow enters the cyclone from the first air inlet 202 .
  • the tapered inlets of the plurality of first cyclones 201 face the same side.
  • a connecting ring 203 is provided at the middle through hole 209 of the first cyclone separation layer 2 .
  • the conical inlet end of the first cyclone separation layer 2 is covered with a first cyclone cover 204 .
  • the first cyclone cover 204 is provided with a first ventilation hole 205 at a position corresponding to the conical inlet of each cyclone, and the first cyclone cover 204 is close to the first cyclone 201
  • a first ventilation pipe 206 is connected at the position of each first ventilation hole 205 , and the first ventilation hole 205 communicates with the inner cavity of the first ventilation pipe 206 .
  • a first gasket 207 is provided between the tapered inlet end of the first cyclone separation layer 2 and the first cyclone cover 204, and the first gasket 207 is connected to each of the first ventilation holes 205.
  • Corresponding positions are provided with first avoidance holes 208 , and the first ventilation pipe 206 extends through the first avoidance holes 208 into the conical inlet of the first cyclone 201 .
  • the middle of the first cyclone cover 204 is also provided with a middle through hole 209 , the first cyclone cover 204 is close to one side of the first cyclone 201 and is connected at the position of the middle through hole 209 There is an intermediate ventilation duct 210 .
  • the first sealing gasket 207 is provided with a middle avoidance hole at the position corresponding to the middle through hole 209, and the middle ventilation pipe 210 extends through the middle avoidance hole and extends into the first In the connecting ring 203 of the cyclone 201.
  • the ends of the intermediate ventilation pipes 210 are connected with a plurality of first fixing columns 211 .
  • the first cyclone 201 is further provided with a connecting portion 212 on the side away from the first cyclone separation layer 2 , and the connecting portion 212 is provided with a card slot matching the locking block 106 213.
  • the second cyclone separation layer 3 includes a plurality of second cyclones 301 , and the plurality of second cyclones 301 are arranged in a ring shape and two adjacent second cyclones 301 are fixedly connected.
  • One end of the second cyclone 301 is provided with a conical inlet, and the other end of the second cyclone 301 is provided with a dust outlet.
  • the side wall of the tapered inlet end of the second cyclone 301 is provided with a second air inlet 302, and the second air inlet 302 is arranged on the outside of the tapered inlet end of the second cyclone 301.
  • the second air inlet 302 faces the outside of the cyclone separator, the second air inlet 302 is tangent to the outer circumference of the second cyclone 301, and the airflow enters the cyclone from the second air inlet 302.
  • the tapered inlets of the plurality of second cyclones 301 face the same side.
  • the tapered inlet end of the second cyclone separation layer 3 should have a second cyclone cover 303 .
  • the second cyclone cover 303 is provided with a second ventilation hole 304 at a position corresponding to the conical inlet of each second cyclone 301, and the second cyclone cover 303 is close to the second cyclone cover 303.
  • a second ventilation pipe 305 is connected to one side of the cyclone 301 at the position of each second ventilation hole 304 , and the second ventilation hole 304 communicates with the inner cavity of the second ventilation pipe 305 .
  • a second gasket 306 is provided between the tapered inlet end of the second cyclone separation layer 3 and the second cyclone cover 303 , and the second gasket 306 is connected to each of the second ventilation holes 304 Corresponding positions are provided with second avoidance holes 307 , and the second ventilation pipe 305 extends through the second avoidance holes 307 into the conical inlet of the second cyclone 301 .
  • the side of the second cyclone cover 303 away from the second cyclone separation layer 3 is provided with a plurality of second fixing columns 308 matching the first fixing columns 211 .
  • the second cyclone cover 303 is fixedly connected to the second cyclone separation layer 3, that is, the screw is connected to the second cyclone after passing through the screw hole in the middle of the second cyclone cover 303 and through the second gasket 306.
  • a space is formed between the dust drop ports of the first cyclones 201 of the first cyclone separation layer, and the tapered inlet end of the second cyclone separation layer 3 is inserted into the first cyclone separation layer. in the space of layer 2.
  • the edge of the second cyclone cover 303 abuts on the end surface of the connecting ring 203 and is connected in a sealed manner.
  • the first fixing column 211 of the first cyclone cover 204 is fixedly connected with the second fixing column 308 of the second cyclone cover 303 .
  • the second ventilation hole 304 on the second cyclone cover 303 communicates with the intermediate ventilation pipe 210 .
  • the second cyclone 301 of the second cyclone separation layer 3 is opposite to the position between the two first cyclones 201 of the first cyclone separation layer 2 .
  • the assembly of the first cyclone separation layer 2 and the second cyclone separation layer 3 is installed in the outer frame 1, and the edge of the first cyclone cover 204 of the first cyclone separation layer 2 is installed on the outer frame 1.
  • the latching blocks 106 on the inner wall of the interface 101 are inserted into the corresponding latching grooves 213 of the connecting portion 212 of the first cyclone cover 204 .
  • the first air inlet 202 of the first cyclone separation layer 2 is located inside the air guide ring 102 .
  • the middle part of the separator 103 is provided with a matching hole corresponding to the dust drop port of the second cyclone separation layer 3, and the dust drop port of the second cyclone separation layer 3 is exposed through the matching hole.
  • the separating sheet 103 is provided with a dust-falling through hole 108 at the position corresponding to the dust-falling port of the first cyclone 201 of the first cyclone separation layer 2;
  • the separator 103 is connected with the dust drop port of the first cyclone separation layer 2 and the dust drop port of the first cyclone 201 is communicated with the corresponding dust drop through hole 108 .
  • the separating sheet 103 is connected with a dust-falling nozzle 109, the dust-falling through hole 108 of the separating sheet 103 communicates with the inner cavity of the dust-falling nozzle 109, and the dust-falling port of the second cyclone separation layer 3 extends. into the dust nozzle 109.
  • a wind deflector 110 is provided between two adjacent first cyclones 201 of the first cyclone separation layer 2 and the wind deflector 110 is located outside the second air inlet 302 of the second cyclone 301 , one end of the wind deflector 110 is connected with the separator 103 .
  • Each wind deflector 110 is respectively connected to the corresponding connecting column 104 .
  • the air with fine dust is sucked into the cyclone separator from the air inlet flow net 107, and the air flow is evenly distributed to the first inlet of the first cyclone 201 through the air blocking plate 110.
  • the air inlet 202 and the second inlet air outlet 302 of the second cyclone 301 the air inhaled in the first cyclone 201 is separated from the first air pipe 206 and the first air through the separation action of the first cyclone 201.
  • the air flow hole 205 is sucked out, and the fine dust in the air flow will be separated from the first dust drop port and fall into the dust drop nozzle 109 .
  • the air inhaled in the second cyclone 301 is sucked out from the second ventilation pipe 305 and the second ventilation hole 304 after being separated by the second cyclone 301, and is sucked into the middle ventilation pipe 210, and then passes through the middle through hole. 209 is sucked out, and the fine dust in the airflow will be separated from the second dust drop port and fall into the dust drop nozzle 109.
  • FIG. 8 to 11 and 13, 14 it is a schematic diagram of the second embodiment applied to a hand-held vacuum cleaner.
  • the hand-held vacuum cleaner has two-stage separation units, namely a first separation unit and a second separation unit, and the second separation unit.
  • the unit is the cyclone separator of the present invention
  • the first separation unit is also a cyclone separation unit, which has an outer cover 7, the outer cover 7 and the baffle 6 enclose a space with a rear end opening 11, and the second separation unit can be inserted from the rear end opening 11.
  • Inside the cover 7, the outer cover 7, the baffle 6 and the outer peripheral wall of the second separation unit form the separation space of the first separation unit, and the part of the separation space close to the baffle 6 is the dust bin of the first separation unit.
  • the opening/closing of the dust bin is controlled by the shutter 6 .
  • the air flow separated by the first separation unit enters the second separation unit through the air inlet filter cover 10, and is separated by the second separation unit, and finally the air flow is discharged by the suction assembly 9 at the rear end, thereby completing the dust collection work.
  • the above-mentioned design is beneficial to the volume control of the overall structure, and is also beneficial to the regular appearance of the overall structure.
  • the separation part in this example can be made into a cylindrical shape as a whole.
  • the rear end opening 11 is provided with a filter assembly 12 .
  • the air flow separated by the first separation unit enters the second separation unit through the air inlet filter cover 10, and is separated by the second separation unit and flows into the filter assembly (12), and finally the air flow is discharged by the suction assembly 9 located at the rear end. , so as to complete the vacuuming work.
  • This design is not only compact in structure, but also conducive to the volume control of the overall structure, and is also conducive to the regular appearance of the overall structure. It has a uniform appearance and shape, and is conducive to improving the filtering effect, thereby helping to protect the air suction assembly 9 and the health of the user.
  • the filter assembly 12 is, for example, a Hypa filter.
  • the second separation unit is the same as the first embodiment, with the first cyclone separation layer 2 and the second cyclone separation layer 3, the first cyclone separation layer 2, the difference is that the first cyclone separation layer 2 has its own dust bin, namely the first cyclone separation layer 2 A dust bin, the first dust bin is surrounded by the first dust bin cover 4 and sealed by the baffle 6, and the dust from the dust drop ports of the first cyclones 201 of the first cyclone separation layer 2 is collected by the first dust bin 10 and 11, the second cyclone separation layer 3 has its own dust bin, that is, the second dust bin, which is surrounded by the second dust bin cover 5 and is also sealed by the baffle 6.
  • the dust drop ports of each second cyclone 301 of the second cyclone separation layer 3 are collected by the second dust bin.
  • the first dust bin and the second dust bin are socketed with each other. Such a design is conducive to a more compact structure.
  • the baffle 6 is used as the open end shared by the dust bin, the first dust bin and the second dust bin of the first separation unit, and the opening end is used to open/close the dust bin and the first dust bin of the first separation unit. , the second dust bin.
  • Such a design is beneficial to the simple and compact structure, and is more beneficial to control the volume.
  • the third embodiment is different from the second embodiment in that there is no second dust chamber cover 5, but the second dust chamber is provided by the second cyclone 301, that is, the lower end of the second cyclone 301 is provided by the second dust chamber.
  • the baffle 6 is closed, and the baffle 6 is used to open/close the lower end of the second cyclone 301, so that the lower space of the second cyclone 301 is used for dust storage.
  • due to the axial length of the second cyclone 301 Therefore, to a certain extent, it is also beneficial to increase the descending stroke of the cyclone, which is beneficial to the improvement of the separation effect.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

L'invention concerne un séparateur cyclonique comprenant un cadre externe (1). Une première couche de séparation cyclonique (2) et une deuxième couche de séparation cyclonique (3) sont disposées dans le cadre externe (1). La première couche de séparation cyclonique (2) comprend une pluralité de premiers cyclones (201) qui sont disposés de manière annulaire. Les entrées coniques de la pluralité de premiers cyclones (201) font face au même côté. Une première entrée d'air (202) est formée au niveau de la portion latérale de l'extrémité d'entrée conique de chaque premier cyclone (201). Un espace est formé parmi les extrémités de chute de poussière de la pluralité de premiers cyclones (201). La deuxième couche de séparation cyclonique (3) comprend une pluralité de deuxièmes cyclones (301) qui sont disposés de manière annulaire. Les entrées coniques de la pluralité de deuxièmes cyclones (301) font face au même côté. Une deuxième entrée d'air (302) est formée au niveau de la portion latérale de l'extrémité d'entrée conique de chaque deuxième cyclone (301). L'extrémité d'entrée conique de la deuxième couche de séparation cyclonique (3) est insérée dans l'espace de la première couche de séparation cyclonique (2).
PCT/CN2021/117868 2020-09-11 2021-09-11 Séparateur cyclonique et collecteur de poussière portatif WO2022053034A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202010956539.XA CN112206933B (zh) 2020-09-11 2020-09-11 一种旋风分离器
CN202010956539.X 2020-09-11
CN202110984467.4 2021-08-25
CN202110984467 2021-08-25

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Publication Number Publication Date
WO2022053034A1 true WO2022053034A1 (fr) 2022-03-17

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112206933A (zh) * 2020-09-11 2021-01-12 宁波富佳实业股份有限公司 一种旋风分离器
CN112206933B (zh) * 2020-09-11 2024-09-03 宁波富佳实业股份有限公司 一种旋风分离器

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