WO2011105562A1 - 塵埃分離集塵容器および電気掃除機 - Google Patents
塵埃分離集塵容器および電気掃除機 Download PDFInfo
- Publication number
- WO2011105562A1 WO2011105562A1 PCT/JP2011/054334 JP2011054334W WO2011105562A1 WO 2011105562 A1 WO2011105562 A1 WO 2011105562A1 JP 2011054334 W JP2011054334 W JP 2011054334W WO 2011105562 A1 WO2011105562 A1 WO 2011105562A1
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- Prior art keywords
- dust
- container
- separation
- opening
- container body
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
- A47L9/1683—Dust collecting chambers; Dust collecting receptacles
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
-
- 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
- A47L9/1658—Construction of outlets
- A47L9/1666—Construction of outlets with filtering means
Definitions
- Embodiments of the present invention relate to a dust separation and dust collection container and a vacuum cleaner.
- centrifugal vacuum cleaner including a cylindrical container body and a suction pipe that generates a swirling flow along the inner periphery of the container body.
- a centrifugal vacuum cleaner sucks dust together with air, centrifuges air and dust by a swirling flow in the container body, and accumulates the dust in the container body (see, for example, Patent Document 1). Air flows out of the container body from the central portion of the swirl vortex, that is, the portion where the flow velocity is relatively low.
- the perspective view which shows the external appearance of the vacuum cleaner which concerns on embodiment of this invention Sectional drawing which shows typically the dust separation dust collection container which concerns on embodiment of this invention.
- the perspective sectional view showing other examples of the dust separation dust collection container according to the embodiment of the present invention Sectional drawing which shows typically the dust separation dust collection container which concerns on embodiment of this invention.
- a conventional vacuum cleaner in particular, a vacuum cleaner equipped with a dust separating dust collecting container that performs centrifugal separation by swirling flow in a cylindrical container body and simultaneously accumulates the dust that has been centrifuged is centrifuged.
- a member that clearly separates a portion (space) to be performed and a portion (space) to accumulate dust is not provided. For this reason, in the conventional vacuum cleaner, the dust once accumulated in the portion (space) where dust is accumulated may flow backward to the portion (space) where centrifugal separation is performed.
- the vacuum cleaner of patent document 1 is provided with the container main body which has a level
- the vacuum cleaner described in Patent Document 1 has a vent hole for drawing the air once flowing into the dust collecting chamber back to the separation unit. The flow of air through the vent hole causes fine dust with a small mass to flow backward from the dust collection chamber to the separation section.
- this air flow linearly flows from the dust collection chamber to the separation section through the center of the dust collection chamber (that is, the center of the swirl flow vortex) where the flow velocity of the swirling flow decreases, and flows out from the return container body. Therefore, fine dust is easily carried from the dust collection chamber to the separation part.
- the present invention provides a dust separation / collection system that performs centrifugal separation by a swirling flow generated in a cylindrical container body and simultaneously accumulates dust that has been centrifuged, and can reliably collect the accumulated dust once. Suggest dust container and vacuum cleaner.
- a dust separating and collecting container generates a swirling flow along an inner periphery of a container body connected to the container body and a bottomed cylindrical container body.
- a separation wall having a second opening.
- a vacuum cleaner is characterized by including the dust separating dust collecting container and a cleaner main body to which the dust separating dust collecting container is attached in a detachable manner.
- FIG. 1 is a perspective view showing an appearance of the vacuum cleaner according to the first embodiment of the present invention.
- the vacuum cleaner 1 is a so-called canister-type vacuum cleaner.
- the vacuum cleaner 1 includes a cleaner body 2 that can travel on the surface to be cleaned, and a pipe portion 3 that is detachably connected to the cleaner body 2.
- the vacuum cleaner main body 2 includes a main body case 5, a pair of wheels 6 positioned on both sides of the main body case 5, and a dust separation and dust collection unit 7 (dust separation and dust collection container) that is detachably attached to the main body case 5.
- An electric blower 8 that is fluidly connected to the dust separation and collection unit 7, a main body control unit 9 that controls driving of the electric blower 8, and a power cord 11 that guides electric power to the electric blower 8.
- the main body case 5 has a main body connection port 12 that is fluidly connected to the dust separation and collection unit 7.
- the main body connection port 12 is a fluid inlet of the cleaner body 2.
- the wheel 6 is a large-diameter traveling wheel for traveling of the cleaner body 2.
- the dust separating and collecting unit 7 separates and collects dust from the air (dust-containing air) containing dust sucked by the vacuum cleaner 1 by the negative pressure generated by the electric blower 8.
- the main body control unit 9 has a plurality of operation modes set in advance. Further, the main body control unit 9 operates the electric blower 8 by selectively selecting an arbitrary operation mode from a plurality of operation modes so as to correspond to the operation signal read from the pipe unit 3. Each operation mode holds different input values (input values of the electric blower 8) in association with the operation signals read from the pipe section 3.
- the power cord 11 has a power plug 14 at the free end.
- the pipe section 3 sucks dust-containing air from the surface to be cleaned and guides it to the cleaner body 2 by the negative pressure acting from the cleaner body 2 as the electric blower 8 is operated.
- the pipe section 3 includes a connection pipe 19 as a joint that is detachably connected to the main body connection port 12 of the cleaner body 2, a dust collection hose 21 connected to the connection pipe 19, and a hand control pipe connected to the dust collection hose 21. 22, a gripping part 23 projecting from the hand operation tube 22, an operation part 24 in the gripping part 23, an extension tube 25 that is detachably connected to the hand operation tube 22, and a suction that is detachably connected to the extension tube 25 A mouthpiece 26.
- the dust collecting hose 21 is an elongated substantially cylindrical hose having flexibility. One end (rear end) of the dust collection hose 21 is fluidly connected to the connection pipe 19. The dust collecting hose 21 is fluidly connected to the inside of the cleaner body 2 through the connection pipe 19.
- One end (rear end) of the hand control tube 22 is connected to the other end of the dust collecting hose 21.
- the hand operation tube 22 is fluidly connected to the inside of the cleaner body 2 through the connection tube 19 and the dust collecting hose 21.
- the grip portion 23 is for the user of the vacuum cleaner 1 to grip and operate the vacuum cleaner 1.
- the grip portion 23 protrudes from the other end portion of the hand operation tube 22 and curves toward one end portion of the hand operation tube 22.
- the operation unit 24 includes a switch corresponding to each operation mode. Specifically, the operation unit 24 includes a stop switch 24 a that receives an operation stop operation of the electric blower 8 and an activation switch 24 b that receives an operation start operation of the electric blower 8.
- the start switch 24b may separately include a weak operation switch (not shown), a medium operation switch (not shown), and a strong operation switch (not shown). The user of the vacuum cleaner 1 can alternatively select the operation mode of the electric blower 8 by operating the operation unit 24.
- the extension tube 25 is an elongated substantially cylindrical tube that can be expanded and contracted.
- the extension tube 25 has a telescopic structure in which a plurality of cylindrical bodies are overlapped.
- One end portion (rear end portion) of the extension tube 25 is detachably connected to the other end portion of the hand operation tube 22.
- the extension pipe 25 is fluidly connected to the inside of the cleaner body 2 through the connection pipe 19, the hand operation pipe 22 and the dust collecting hose 21.
- the suction port body 26 is detachably connected to the other end of the extension pipe 25.
- the suction port body 26 has a structure capable of traveling on a surface to be cleaned such as a wooden floor or a carpet, and has a suction port 28 on the bottom surface facing the surface to be cleaned in the traveling state. Further, the suction port body 26 includes a rotary cleaning body 29 that is positioned at the suction port 28 and is rotatable, and an electric motor 31 that rotationally drives the rotary cleaning body 29.
- the suction port body 26 is fluidly connected to the inside of the cleaner body 2 through the extension pipe 25, the hand operation pipe 22 and the dust collection hose 21.
- the vacuum cleaner 1 operates the electric blower 8 to generate a negative pressure (suction negative pressure) inside the cleaner body 2 when the start switch 24b receives the operation start operation.
- This negative pressure acts on the suction port 28 of the suction port body 26 from the main body connection port 12 through the dust collecting hose 21, the hand operating tube 22 and the extension tube 25. Due to the negative pressure acting on the suction port 28, the vacuum cleaner 1 sucks dust collected on the surface to be cleaned together with air from the suction port 28 to clean the surface to be cleaned.
- the vacuum cleaner 1 causes dust-containing air sucked into the suction port 28 to flow into the dust separation / collection unit 7, and the dust separation / collection unit 7 performs centrifugal separation into air and dust and collects the separated dust.
- the air passes through the dust separating and collecting part 7 and flows out of the cleaner body 2 through the electric blower 8.
- FIG. 2 is a cross-sectional view schematically showing the dust separation and collection container according to the first embodiment of the present invention.
- the dust separating and collecting unit 7 (dust separating and collecting container) according to the present embodiment is connected to the bottomed cylindrical container body 33 and the container body 33 to connect the inner periphery of the container body 33.
- a suction pipe 34 that generates a swirling flow F (solid arrow F in FIG.
- a partition wall 37 having an opening 37a (first opening) in the approximate center of the main body 33 and between the suction pipe 34 and the discharge pipe 35, and a flow path between the opening 37a of the partition wall 37 and the discharge pipe 35
- a gap 39 is formed between the pleated filter portion 38 located at the second end 33 b of the container body 33 and the inner peripheral surface of the container body 33 from the connection portion of the suction pipe 34, and from the center of the container body 33.
- a separation wall 41 having an opening 41a (second opening) on the outside. .
- the dust separating and collecting part 7 may be coupled to the cleaner body 2 with the center line C of the cylindrical container body 33 oriented in the vertical direction, and the cleaner body 2 oriented with the center line C oriented in the horizontal direction.
- the center line C may be directed to any other angle.
- the container body 33 includes an exhaust air passage 42 between the partition wall 37 and the end surface on the one end 33a side, a separation portion 43 between the partition wall 37 and the separation wall 41, and the separation wall 41 and the other end 33b side. And a dust collection chamber 44 (first space) between the two end faces.
- the other end 33 b of the container body 33 is provided with a lid 46 that can be freely opened and closed, and the dust accumulated in the dust collection chamber 44 can be discarded outside the container body 33.
- the suction pipe 34 fluidly connects the main body connection port 12 of the cleaner main body 2 and the separation portion 43 of the container main body 33 and is inclined with respect to the center line C (center of the container main body 33) of the container main body 33.
- This flow path produces a flow directed in the container body 33 along the inner peripheral surface thereof. That is, the suction pipe 34 generates a swirl flow F in the dust-containing air flowing into the container main body 33 from the pipe portion 3 through the suction pipe 34 when a negative pressure is applied to the container main body 33 as the electric blower 8 is operated. .
- the discharge pipe 35 fluidly connects the separation part 43 of the container body 33 and the suction port (not shown) of the electric blower 8.
- the suction pipe 34 and the discharge pipe 35 may be integrally formed with the container body 33.
- the partition wall 37 partitions both portions so that the dust-containing air flowing into the separation portion 43 does not flow directly into the exhaust air passage 42.
- the partition wall 37 is held by the container body 33.
- the opening 37 a is located in the vicinity of the center line C of the container body 33.
- the partition wall 37 includes an inner cylinder 48 extending in the direction of the center line C of the container body 33.
- the inner cylinder 48 extends from the partition wall 37 to the separation wall 41 in the container body 33 to hold the separation wall 41.
- the inner cylinder 48 has an opening 48a (first opening) that is fluidly connected to the opening 37a via the in-cylinder space.
- the mesh-shaped filter member 51 (third filter portion) closes the opening 48a and filters the air passing through the opening 48a.
- the filtering member 51 is simply referred to as “the transitional period of the swirling flow F” when the swirling flow F of the separation unit 43 is not sufficiently developed, such as immediately after the operation of the electric blower 8 is started or just after the stop. ) To prevent dust from flowing from the separation portion 43 into the exhaust air passage 42.
- the pleated filter unit 38 is located in the exhaust air passage 42, captures fine particulate fine particles that can pass through the filter member 51, and prevents the electric blower 8 from sucking the fine dust.
- the gap 39 and the opening 41a fluidly connect the separation unit 43 and the dust collection chamber 44.
- the gap 39 extends over the entire inner circumference of the container body 33.
- the opening 41a is closer to the center of the container body 33 than the gap 39, and closer to the outer side than the projection portion of the opening 37a onto the separation wall 41.
- the filter member 53 (filter part) closes the opening 41a and filters the air passing through the opening 41a.
- the filter member 53 may be coarse so that fibrous dust such as lint and cotton dust that has flowed into the dust collecting chamber 44 does not return to the separation portion 43.
- the filtering member 53 is on the surface of the separation wall 41 facing the other end 33b side of the container body 33 (that is, the dust collection chamber 44).
- the opening 41a may be an opening group composed of a plurality of concentric and equidistant openings with respect to the center of the container body 33.
- the opening diameter of each opening is set to a suitably small diameter (for example, a diameter of 5 mm or less) so that fiber dust such as lint and cotton dust flowing into the dust collecting chamber 44 does not return to the separation portion 43.
- the filtering member 53 can be dispensed with.
- the gap 39 and the opening 41a are not limited to those that extend around the center of the container body 33 all around.
- the gap 39 may be in an arc shape along the inner periphery of the container body 33.
- the opening 41 a may be an arc opening around the center line C of the container body 33. At this time, it is desirable that the gap 39 and the opening 41a have different phase relationships.
- negative pressure acts on the exhaust air passage 42 via the discharge pipe 35 when the electric blower 8 starts operation.
- the negative pressure of the exhaust air passage 42 acts on the separation portion 43 through the opening 37a.
- the negative pressure of the separation part 43 acts on the pipe part 3 via the suction pipe 34. Then, the pipe part 3 sucks dust on the surface to be cleaned together with air.
- the dust-containing air sucked in by the pipe part 3 traces the pipe part 3 in reverse and flows into the dust separation and dust collection part 7.
- the dust-containing air that has flowed into the dust separation and collection unit 7 flows into the separation unit 43 toward the inner peripheral surface of the container body 33 through the suction pipe 34, and generates a swirling flow F.
- the swirl flow F centrifuges the dust-containing air into air and dust. Since the separated dust has an extremely large specific gravity compared to air, it turns along the inner peripheral surface of the container body 33.
- a part of the separated air passes through the opening 48a located in the vicinity of the center of the vortex of the swirling flow F, reaches the exhaust air passage 42 through the internal space of the inner cylinder 48 and the opening 37a (the solid line in FIG. 2). Arrow Fe).
- the remainder of the separated air and the separated dust pass through the gap 39 while swirling along the inner peripheral surface of the container body 33 and flow into the dust collecting chamber 44.
- the fibrous dust contained in the dust is collected while swirling in the separation portion 43 and the dust collection chamber 44, and cannot pass through the opening 41a or the filter member 53 and is trapped around it. .
- Part of the air that has returned from the opening 41 a to the separation unit 43 is entrained in the swirling flow F and generates a circulating flow Fc that flows into the dust collection chamber 44 again.
- the circulating flow Fc gradually increases the density by gradually pressing and solidifying the fibrous dust captured by the opening 41a of the separation wall 41 or the filtering member 53.
- the air returning from the opening 41a to the separation portion 43 contains fine particulate fine dust that can pass through the opening 41a and the filtering member 53.
- the circulating flow Fc again collects the fine dust in the dust collecting chamber. Pour into 44.
- the fine dust that has flowed into the dust collecting chamber 44 again is captured by the fibrous dust whose density has been increased by pressing and solidifying the opening 41a of the separation wall 41 or the filtering member 53.
- circulation flow Fc in the present description does not always mean only the flow through which the same air circulates, but the dust collection chamber 44 and the separation section while exchanging with a part of the air flowing into the separation chamber 43 one after another. Call the air flow back and forth through 43.
- FIG. 3 is a perspective view showing another example of the dust separating and collecting container according to the first embodiment of the present invention.
- FIG. 4 is a perspective cross-sectional view showing another example of the dust separating and collecting container according to the first embodiment of the present invention.
- FIG. 5 is a cross-sectional view showing another example of the dust separating and collecting container according to the first embodiment of the present invention.
- the dust separation and collection part 7A (dust separation and collection container) according to the present embodiment is inhaled with the dust collection chamber 44 (first space) on the other end 33b side of the container body 33A.
- a separation wall 41A having a thickness separating the separation portion 43 (second space) where the pipe 34 is located is provided.
- the dust separating and collecting part 7A includes a projecting portion 55 at the approximate center of the surface of the separating wall 41A facing the other end 33b side of the container body 33A.
- the separation wall 41A is not a mere plate shape, but is formed into a thick disk shape by the rib 56 extending in the direction of the center line C of the container body 33A, and forms a gap 39A that separates the separation portion 43 and the dust collection chamber 44.
- the thick separation wall 41 ⁇ / b> A can separate the dust collection chamber 44 and the separation portion 43 by the gap 39 ⁇ / b> A so that the swirl of the swirl flow F does not reach the separation portion 43 from the dust collection chamber 44.
- the container body 33A includes a stepped portion 57 in which the other end 33b is discontinuously expanded from the vicinity of the separation wall 41A.
- the step portion 57 prevents the swirling flow F reaching the gap 39 ⁇ / b> A from reaching the separation portion 43.
- the protrusion 55 is positioned at the center of the fibrous dust collected by the filtering member 53 and guides the direction of dust stacking toward the other end 33b of the container body 33A.
- the protrusion 55 extends from the separation wall 41A so as to reach the lid 46 of the container body 33A.
- the protruding portion 55 has a hollow truncated cone shape whose diameter is reduced toward the lid 46 side.
- a side surface of the protruding portion 55 has an opening 55 a that fluidly connects the dust collection chamber 44 and the separation portion 43.
- the inner cylinder lid 58 partitions the internal space of the projecting portion 55 and the internal space of the inner cylinder 48, and disconnects the fluid connection between the two spaces.
- the protrusion 55 brings the dust in the dust collection chamber 44 to the center of the dust collection chamber 44 by the flow of air from the opening 55 a through the internal space of the protrusion 55 to the separation portion 43.
- the filtration member 61 (second filtration part) closes the opening 55 a and filters the air passing through the opening 55.
- the opening 55a may be an opening group composed of a plurality of small openings.
- the opening diameter of each small opening is reduced to an appropriately small diameter (for example, a diameter of 5 mm or less) so that fiber dust such as lint and cotton dust flowing into the dust collecting chamber 44 does not return to the separation portion 43.
- the filtering member 61 can be omitted.
- FIG. 6 is a perspective cross-sectional view showing another example of the dust separating and collecting container according to the first embodiment of the present invention.
- the dust separation / collection part 7B (dust separation / collection container) according to the present embodiment includes a dust trapping wall 62 extending from the side surface of the protrusion 55B in the radial direction of the container body 33A.
- the dust trapping wall 62 extends over the height of the frustoconical protrusion 55B.
- the dust trapping wall 62 creates a region where the flow velocity is further reduced around the protruding portion 55 ⁇ / b> B inside the dust collection chamber 44.
- a plurality of dust trapping walls 62 may be provided radially on the side surface of the protruding portion 55B.
- the dust separating and collecting parts 7, 7 ⁇ / b> A, and 7 ⁇ / b> B have the separating wall 41, between the separating part 43 that performs centrifugal separation of dust and the dust collecting chamber 44 that accumulates dust. 41A, and the air in the dust collection chamber 44 is pulled back to the separation portion 43 side through the opening 41a of the separation walls 41 and 41A or the filtering member 53, so that the backflow of dust from the dust collection chamber 44 toward the separation portion 43 is prevented. be able to.
- the dust separating and collecting parts 7, 7A and 7B collect fine dust that passes through the opening 41a or the filtering member 53 and flows backward from the dust collecting chamber 44 to the separating part 43 by the circulating flow Fc. It can be returned to the chamber 44.
- the dust separating and collecting parts 7, 7 ⁇ / b> A, 7 ⁇ / b> B according to the present embodiment can compress the fibrous dust on the separating walls 41, 41 ⁇ / b> A by the flow of air passing through the opening 41 a or the filtering member 53.
- the dust separation dust collection part 7,7A, 7B which concerns on this embodiment pushes the fine dust which returns to the dust collection chamber 44 again by the circulation flow Fc to the separation walls 41 and 41A, and the fibrous dust which the solid density increased. And can be captured in the dust collection chamber 44 that produces fine dust that can pass through the opening 41a or the filter member 53.
- the dust separation dust collection parts 7, 7A and 7B flow the air returning from the opening 41a back to the separation part 43 into the dust collection chamber 44 by the circulation flow Fc, the air flow rate is reduced in the container. It prevents the central portions of the main bodies 33 and 33A from flowing linearly from the dust collection chamber 44 to the separation portion 43, that is, prevents fine dust from flowing linearly from the dust collection chamber 44 to the separation portion 43.
- the dust separating and collecting portions 7A and 7B can capture and compact a large amount of fibrous dust around the opening 41a and the opening 55a.
- the dust separating and collecting parts 7A and 7B can capture a larger amount of fine dust by pressing and compacting a large amount of fibrous dust around the opening 41a and the opening 55a to increase the density.
- the dust separating and collecting parts 7A and 7B press and harden the dust around the protrusion 55 in a donut shape. Therefore, when the dust 46 is discarded from the dust collecting chamber 44, the lid 46 of the container body 33A is opened. This dust lump can escape from the protrusion 55 and can be easily discarded.
- the dust separating and collecting part 7B reduces the flow velocity around the protruding part 55B by the dust trapping wall 62 to promote the retention of fibrous dust, and further captures a large amount of fibrous dust. Can be pressed. Further, the dust separating and collecting part 7B can capture a very large amount of fine dust contained in the circulating flow Fc by increasing the amount of fibrous dust that is hardened.
- FIG. 7 is a cross-sectional view schematically showing a dust separating and collecting container according to the second embodiment of the present invention.
- the same components as those in the dust separation and dust collection container 7 of the first embodiment are denoted by the same reference numerals, and redundant description is omitted.
- the dust separating and collecting part 7C (dust separating and collecting container) according to the present embodiment is connected to the bottomed cylindrical container main body 33 and the container main body 33 to connect the inner periphery of the container main body 33.
- a suction pipe 34 that generates a swirling flow F (solid arrow F in FIG.
- a partition wall 37 having an opening 37a (first opening) in the approximate center of the main body 33 and between the suction pipe 34 and the discharge pipe 35, and a flow path between the opening 37a of the partition wall 37 and the discharge pipe 35
- a gap 39 is formed between the pleated filter portion 38 located at the second end 33 b of the container body 33 and the inner peripheral surface of the container body 33 from the connection portion of the suction pipe 34, and from the center of the container body 33.
- a separation wall 41C having an opening 41b (second opening) on the outside.
- the dust separating and collecting part 7C may be coupled to the cleaner body 2 with the center line C of the cylindrical container body 33 oriented in the vertical direction and the center line C oriented in the horizontal direction. Even if they are coupled to each other, the center line C may be directed to any other angle.
- the container body 33 includes an exhaust air passage 42 between the partition wall 37 and the end surface on the one end 33a side, a separation portion 43 between the partition wall 37 and the separation wall 41C, and the separation wall 41C and the other end 33b side. And a dust collection chamber 44 (first space) between the two end faces.
- the partition wall 37 includes an inner cylinder 48 that extends in the direction of the center line C of the container body 33.
- the inner cylinder 48 extends from the partition wall 37 to the separation wall 41C in the container body 33 and holds the separation wall 41C.
- the opening 41b is closer to the center of the container body 33 than the gap 39, and fluidly connects the gap 39 between the container body 33 and the separation wall 41C and the dust collection chamber 44.
- the filter member 53 (filter part) closes the opening 41b and filters the air passing through the opening 41b.
- the opening 41b may be an opening group composed of a plurality of openings that are concentric with the center of the container body 33 and are equally spaced.
- the opening diameter of each opening is set to a suitably small diameter (for example, a diameter of 5 mm or less) so that fiber dust such as lint and cotton dust flowing into the dust collecting chamber 44 does not return to the separation portion 43.
- the filtering member 53 can be dispensed with.
- the gap 39 and the opening 41b are not limited to those that extend around the center of the container body 33 all around.
- the gap 39 may be in an arc shape along the inner periphery of the container body 33.
- the opening 41b may be an arc opening around the center line C of the container body 33.
- negative pressure acts on the exhaust air passage 42 via the discharge pipe 35 when the electric blower 8 starts operation.
- the negative pressure of the exhaust air passage 42 acts on the separation portion 43 through the opening 37a.
- the negative pressure of the separation part 43 acts on the pipe part 3 via the suction pipe 34. Then, the pipe part 3 sucks dust on the surface to be cleaned together with air.
- the dust-containing air sucked in by the pipe part 3 traces the pipe part 3 in the reverse direction and flows into the dust separating and collecting part 7C.
- the swirl flow F centrifuges the dust-containing air into air and dust. Since the separated dust has an extremely large specific gravity compared to air, it turns along the inner peripheral surface of the container body 33.
- a part of the separated air passes through the opening 48a located in the vicinity of the center of the vortex of the swirling flow F, reaches the exhaust air passage 42 through the internal space of the inner cylinder 48 and the opening 37a (the solid line in FIG. 2). Arrow Fe).
- the remainder of the separated air and the separated dust pass through the gap 39 while swirling along the inner peripheral surface of the container body 33 and flow into the dust collecting chamber 44.
- the fibrous dust contained in the dust is collected while turning in the separation portion 43 and the dust collecting chamber 44, and cannot pass through the opening 41b or the filter member 53 and is captured around it. .
- a part of the air blown into the gap 39 from the opening 41b is entrained in the swirling flow F and generates a circulating flow Fc that flows into the dust collecting chamber 44 again.
- the circulating flow Fc gradually increases the density by gradually pressing and solidifying the fibrous dust captured by the opening 41b of the separation wall 41C or the filtering member 53.
- the air blown into the gap 39 from the opening 41 b contains fine particulate fine dust that can pass through the opening 41 b and the filtration member 53.
- the circulating flow Fc collects this fine dust from the gap 39. Pour into the dust chamber 44 again.
- the fine dust that has flowed into the dust collecting chamber 44 again is captured by the fibrous dust whose density has been increased by pressing and solidifying the opening 41b of the separation wall 41C or the filtering member 53.
- FIG. 8 is a perspective view showing another example of the dust separating and collecting container according to the second embodiment of the present invention.
- FIG. 9 is a perspective sectional view showing another example of the dust separation and dust collection container according to the second embodiment of the present invention.
- FIG. 10 is a cross-sectional view showing another example of the dust separating and collecting container according to the second embodiment of the present invention.
- the dust separating and collecting part 7D (dust separating and collecting container) according to the present embodiment is connected to the dust collecting chamber 44 (first space) on the other end 33b side of the container body 33A and the suction.
- a separation wall 41D having a thickness separating the separation portion 43 (second space) where the pipe 34 is located is provided.
- the dust separating and collecting part 7D includes a projecting portion 55 located substantially at the center of the surface of the separating wall 41D facing the other end 33b of the container body 33A in the separating wall 41D.
- the separation wall 41D is not a simple plate shape, but is formed into a thick disk shape by the side wall 41d extending in the direction of the center line C of the container body 33A, and forms a gap 39A that separates the separation portion 43 and the dust collection chamber 44.
- the opening 41b of the separation wall 41D is fluidly connected to the gap 39 from the opening 41c through the space in the separation wall 41D.
- the opening 41c is located on the side surface 41d.
- the side surface 41d faces the inner peripheral surface of the container body 33A.
- the container body 33A includes a stepped portion 57 in which the other end 33b is discontinuously expanded from the vicinity of the separation wall 41D.
- the dust separation and collection part 7D prevents the separation wall 43D separating the separation part 43 from the dust collection chamber 44 and the swirling flow F reaching the gap 39A from reaching the separation part 43 due to the thickness of the separation wall 41D.
- the protrusion 55 extends from the separation wall 41D so as to reach the lid 46 of the container body 33A.
- the side surface of the protruding portion 55 has an opening 55a that fluidly connects the dust collection chamber 44 and the gap 39 through the internal space of the separation wall 41D and the opening 41c. Due to the flow of air from the opening 55a through the internal space of the protrusion 55 and the internal space of the separation wall 41D to the gap 39, the protrusion 55 gathers the dust in the dust collection chamber 44 toward the center of the dust collection chamber 44. . Due to the flow of air passing through the opening 55a and the flow of air passing through the opening 41b, the protruding portion 55 exhibits the guide effect in the dust stacking direction more remarkably.
- the filtration member 61 (second filtration part) closes the opening 55 a and filters the air passing through the opening 55.
- FIG. 11 is a perspective sectional view showing another example of the dust separation and dust collection container according to the embodiment of the present invention.
- the dust separation / collection part 7E (dust separation / collection container) according to the present embodiment includes a dust trapping wall 62 extending from the side surface of the protrusion 55B in the radial direction of the container body 33A.
- the dust separating and collecting parts 7C, 7D, and 7E have separation walls 41C, 41C between the separating part 43 that performs dust centrifugation and the dust collecting chamber 44 that accumulates dust. 41D, and air in the dust collection chamber 44 is discharged to the gap 39 between the container body 33 and the separation walls 41C and 41D through the openings 41b of the separation walls 41C and 41D or the filtering member 53. It is possible to prevent the reverse flow of dust toward the separation unit 43.
- the dust separating and collecting portions 7C, 7D, and 7E according to the present embodiment again collect the fine dust that passes through the opening 41b or the filtering member 53 and flows into the gap 39 from the dust collecting chamber 44 by the circulating flow Fc. 44.
- the dust separating and collecting parts 7, 7 ⁇ / b> D, 7 ⁇ / b> E according to the present embodiment can compress the fibrous dust on the separating walls 41, 41 ⁇ / b> D by the flow of air passing through the opening 41 b or the filtering member 53.
- the dust separation dust collection part 7,7D, 7E which concerns on this embodiment pushes the fine dust which returns to the dust collection chamber 44 again by the circulation flow Fc to the separation walls 41 and 41D, and the fibrous dust which the solid density increased. And can be captured in the dust collection chamber 44 that produces fine dust that can pass through the opening 41b or the filter member 53.
- the dust separating and collecting portions 7C, 7D, and 7E flow the air that flows into the gap 39 from the opening 41b into the dust collecting chamber 44 again by the circulating flow Fc, the air is a container in which the flow velocity decreases. It prevents the central portions of the main bodies 33 and 33A from flowing linearly from the dust collection chamber 44 to the separation portion 43, that is, prevents fine dust from flowing linearly from the dust collection chamber 44 to the separation portion 43.
- the dust separating and collecting portions 7D and 7E can capture and compress a large amount of fibrous dust around the opening 41b and the opening 55a.
- the dust separating and collecting parts 7D and 7E can capture a larger amount of fine dust by pressing and solidifying a large amount of fibrous dust around the opening 41b and the opening 55a to increase the density.
- the dust separating and collecting parts 7D and 7E press and harden the dust around the protrusion 55 in a donut shape. Therefore, when the dust 46 is discarded from the dust collecting chamber 44, the lid 46 of the container body 33A is opened. This dust lump can escape from the protrusion 55 and can be easily discarded.
- the dust separating and collecting part 7E reduces the flow velocity around the protrusion 55B by the dust trapping wall 62 to promote the retention of fibrous dust, and further captures a large amount of fibrous dust. Can be pressed. Further, the dust separating and collecting unit 7E can capture a very large amount of fine dust contained in the circulation flow Fc by increasing the amount of fibrous dust that is pushed and pushed.
- the centrifugal flow is simultaneously performed by the swirling flow F generated in the cylindrical container bodies 33 and 33A. While accumulating dust, the once accumulated dust can be reliably collected.
- the centrifugal separation is performed by the swirl flow F generated in the cylindrical container bodies 33 and 33A. Simultaneously with this, the centrifugally separated dust can be accumulated and the once accumulated dust can be reliably collected.
- the vacuum cleaner according to the present invention is not limited to the canister type vacuum cleaner 1, but may be an upright type, a stick type, or a handy type vacuum cleaner.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
Abstract
Description
本発明に係る塵埃分離集塵容器および電気掃除機の第1実施形態について、図1から図6を参照して説明する。
本発明に係る電気掃除機および塵埃分離集塵部の第2実施形態について、図7から図11を参照して説明する。
2 掃除機本体
3 管部
5 本体ケース
6 車輪
7、7A、7B、7C、7D、7E 塵埃分離集塵部
8 電動送風機
9 本体制御部
11 電源コード
12 本体接続口
14 電源プラグ
19 接続管
21 集塵ホース
22 手元操作管
23 把持部
24 操作部
24a 停止スイッチ
24b 起動スイッチ
25 延長管
26 吸込口体
28 吸込口
29 回転清掃体
31 電動機
33、33A 容器本体
33a 一端
33b 他端
34 吸込管
35 吐出管
37 区画壁
37a 開口
38 プリーツフィルタ部
39、39A 隙間
41、41A、41C、41D 分離壁
41a、41b、41c 開口
41d 側面
42 排気風路
43 分離部
44 集塵室
46 蓋体
48 内筒
48a 開口
51 濾過部材
53 濾過部材
55、55B 突出部
55a 開口
56 リブ
57 段差部
58 内筒蓋
61 濾過部材
62 塵埃捕獲壁
Claims (16)
- 有底円筒形状の容器本体と、
前記容器本体に接続して前記容器本体の内周に沿う旋回流を発生する吸込管と、
前記吸込管よりも前記容器本体の一端側に偏倚して前記容器本体に接続する吐出管と、
前記容器本体の略中心に第一開口を有して前記吸込管と前記吐出管との間にある区画壁と、
前記吸込管の接続部分よりも前記容器本体の他端側にあり前記容器本体の内周面との間に隙間を形成するとともに前記容器本体の中心よりも外側に第二開口を有する分離壁と、を備えることを特徴とする塵埃分離集塵容器。 - 前記第二開口は、前記容器本体の他端側の第一空間と前記吸込管が接続する第二空間とを流体的に接続することを特徴とする請求項1に記載の塵埃分離集塵容器。
- 前記第二開口は、前記容器本体と前記分離壁との隙間と前記容器本体の他端側の第一空間とを流体的に接続することを特徴とする請求項1に記載の塵埃分離集塵容器。
- 前記第二開口を塞ぐ濾過部を備えることを特徴とする請求項1から3のいずれか1項に記載の塵埃分離集塵容器。
- 前記濾過部は、前記容器本体の他端側を臨む前記分離壁の面にあることを特徴とする請求項4に記載の塵埃分離集塵容器。
- 前記分離壁は、前記容器本体の他端側の第一空間と前記吸込管が位置する第二空間とを隔てる厚みを有することを特徴とする請求項1から5のいずれか1項に記載の塵埃分離集塵容器。
- 前記隙間は前記容器本体の内周の全周に渡ることを特徴とする請求項1から6のいずれか1項に記載の塵埃分離集塵容器。
- 前記第二開口は前記容器本体の中心に対して同心状かつ等間隔な複数の開口からなることを特徴とする請求項1から7のいずれか1項に記載の塵埃分離集塵容器。
- 前記容器本体の他端側を臨む前記分離壁の面の略中央にある突出部を備えることを特徴とする請求項1から7のいずれか1項に記載の塵埃分離集塵容器。
- 前記突出部は、前記容器本体の他端側の第一空間と前記吸込管が接続する第二空間とを流体的に接続する第三開口を有することを特徴とする請求項1から9のいずれか1項に記載の塵埃分離集塵容器。
- 前記突出部は、前記容器本体と前記分離壁との隙間と前記吸込管が接続する第一空間とを流体的に接続する第三開口を有することを特徴とする請求項1から9のいずれか1項に記載の塵埃分離集塵容器。
- 前記第三開口を塞ぐ第二濾過部を備えることを特徴とする請求項10または11に記載の塵埃分離集塵容器。
- 前記突出部の側面から前記容器本体の径方向へ延びる塵埃捕獲壁を備えることを特徴とする請求項8から12のいずれか1項に記載の塵埃分離集塵容器。
- 前記容器本体は、前記分離壁の近傍より他端側を不連続に拡径する段差部を備えることを特徴とする請求項1から13のいずれか1項に記載の塵埃分離集塵容器。
- 前記第一開口を塞ぐ第三濾過部を備えることを特徴とする請求項1から14のいずれか1項に記載の塵埃分離集塵容器。
- 請求項1から15のいずれか1項に記載の塵埃分離集塵容器と、
前記塵埃分離集塵容器を着脱可能に装着する掃除機本体と、を備えることを特徴とする電気掃除機。
Priority Applications (4)
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RU2012141042/12A RU2526008C2 (ru) | 2010-02-26 | 2011-02-25 | Устройство пылеулавливания и электрический пылесос |
CN201180020868.2A CN102858218B (zh) | 2010-02-26 | 2011-02-25 | 灰尘分离收集装置和电动真空吸尘器 |
EP11747518.6A EP2540206B1 (en) | 2010-02-26 | 2011-02-25 | Dust separating/dust collecting container and electric cleaner |
KR1020127022192A KR101399752B1 (ko) | 2010-02-26 | 2011-02-25 | 집진 장치 및 전기 진공 청소기 |
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JP2010-043322 | 2010-02-26 | ||
JP2010043321A JP5405351B2 (ja) | 2010-02-26 | 2010-02-26 | 塵埃分離集塵容器および電気掃除機 |
JP2010043322A JP5405352B2 (ja) | 2010-02-26 | 2010-02-26 | 塵埃分離集塵容器および電気掃除機 |
JP2010-043321 | 2010-02-26 |
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WO2011105562A1 true WO2011105562A1 (ja) | 2011-09-01 |
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PCT/JP2011/054334 WO2011105562A1 (ja) | 2010-02-26 | 2011-02-25 | 塵埃分離集塵容器および電気掃除機 |
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EP (1) | EP2540206B1 (ja) |
KR (1) | KR101399752B1 (ja) |
CN (1) | CN102858218B (ja) |
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WO (1) | WO2011105562A1 (ja) |
Cited By (2)
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GB2483513A (en) * | 2010-09-13 | 2012-03-14 | Chunju Electric Hk Ltd | Vacuum cleaner cyclone |
CN112674644A (zh) * | 2019-10-18 | 2021-04-20 | 广东美的白色家电技术创新中心有限公司 | 旋风分离装置及清洁装置 |
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KR101534982B1 (ko) * | 2013-03-14 | 2015-07-07 | 가부시끼가이샤 도시바 | 전기청소기 |
KR101534981B1 (ko) * | 2013-03-14 | 2015-07-07 | 가부시끼가이샤 도시바 | 전기청소기 |
DE102015101107A1 (de) * | 2015-01-27 | 2016-07-28 | Miele & Cie. Kg | Abscheidebehälter für einen Staubsauger |
CN204618101U (zh) * | 2015-04-28 | 2015-09-09 | 江苏美的春花电器股份有限公司 | 用于吸尘器的尘桶组件和具有其的吸尘器 |
CN108463151B (zh) | 2015-11-10 | 2021-07-23 | 创科实业有限公司 | 手持式真空清洁器 |
FR3048172B1 (fr) * | 2016-02-26 | 2018-06-22 | Seb Sa | Dispositif anti-recirculation |
JP7104545B2 (ja) * | 2018-04-11 | 2022-07-21 | 東芝ライフスタイル株式会社 | 集塵装置および電気掃除機 |
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RU2012141042A (ru) | 2014-04-10 |
CN102858218A (zh) | 2013-01-02 |
KR20120125312A (ko) | 2012-11-14 |
RU2526008C2 (ru) | 2014-08-20 |
EP2540206A4 (en) | 2013-07-31 |
CN102858218B (zh) | 2015-08-26 |
EP2540206A1 (en) | 2013-01-02 |
EP2540206B1 (en) | 2015-03-25 |
KR101399752B1 (ko) | 2014-05-27 |
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