WO2017057384A1 - 電気掃除機 - Google Patents

電気掃除機 Download PDF

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Publication number
WO2017057384A1
WO2017057384A1 PCT/JP2016/078499 JP2016078499W WO2017057384A1 WO 2017057384 A1 WO2017057384 A1 WO 2017057384A1 JP 2016078499 W JP2016078499 W JP 2016078499W WO 2017057384 A1 WO2017057384 A1 WO 2017057384A1
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WO
WIPO (PCT)
Prior art keywords
dust
main body
centrifugation
centrifuge
containing air
Prior art date
Application number
PCT/JP2016/078499
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
鈴木　仁
江部　清
小嶋　健司
高井　保志
満 渡邉
Original Assignee
東芝ライフスタイル株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 東芝ライフスタイル株式会社 filed Critical 東芝ライフスタイル株式会社
Priority to KR1020177010400A priority Critical patent/KR101981446B1/ko
Priority to EP16851555.9A priority patent/EP3357394A4/en
Priority to CN201680003467.9A priority patent/CN107105955B/zh
Priority to MYPI2018701262A priority patent/MY188252A/en
Publication of WO2017057384A1 publication Critical patent/WO2017057384A1/ja

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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
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1625—Multiple arrangement thereof for series flow
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1641—Multiple arrangement thereof for parallel flow

Definitions

  • Embodiments of the present invention include a first centrifugal separator that centrifuges dust, and a plurality of second centrifugal separators that centrifuge dust that is smaller than dust separated by the first centrifugal separator. It is related with the vacuum cleaner provided with.
  • the first centrifuge unit that centrifuges coarse dust that is relatively large dust and the downstream side of the first centrifuge unit communicate with each other.
  • the second centrifugal separator has a smaller diameter and a larger flow velocity than the first centrifugal separator, and becomes a source of relatively large fluid noise. Therefore, it is desired to reduce the noise generated in these second centrifugal separators.
  • the problem to be solved by the present invention is a vacuum cleaner that can efficiently collect dust using the first centrifuge and the plurality of second centrifuges, suppress noise, and dispose of dust hygienically. Is to provide.
  • the vacuum cleaner of an embodiment has a vacuum cleaner body provided with an electric blower, and a dust collector that separates and collects dust from the dust-containing air sucked by driving the electric blower.
  • the dust collector includes a first centrifugal separator, a plurality of second centrifugal separators, a first dust collector, and a second dust collector.
  • the first centrifugal separator has a case body and a separator main body.
  • the separation portion main body includes a first cylindrical portion formed in a substantially cylindrical shape having a ventilation opening on a peripheral surface.
  • the separation unit main body includes a cylindrical separator portion located below the first cylindrical portion. Further, the separation unit main body is accommodated in the case body, and the lower end side thereof is in close contact with the case body.
  • a 1st centrifugation part turns dust-containing air around the 1st cylindrical part along the inner surface of a case body, and centrifuges dust.
  • the second centrifuge part has a second cylindrical part.
  • the second cylindrical portion communicates with the first centrifugal separation portion in parallel, and is formed in a substantially cylindrical shape having a diameter smaller than that of the first cylindrical portion.
  • the second centrifugal separation unit centrifuges dust that is smaller than the dust that is swirled by the first centrifugal separation unit by swirling the dust-containing air that has passed through the first centrifugal separation unit along the inner surface of the second cylindrical unit. To do.
  • the first dust collecting unit accumulates the dust centrifuged by the first centrifugal separator.
  • the second dust collecting unit accumulates the dust centrifuged by each second centrifuge. Moreover, each 2nd centrifugation part is located in the inside of a separator part. And the 1st dust collection part and the 2nd dust collection part are divided into the exterior and the inside of a separation part main part by adhesion with a separation part main part and a case body.
  • reference numeral 11 denotes a so-called canister-type vacuum cleaner.
  • the vacuum cleaner 11 has a pipe portion 12 that is a suction air passage body (air passage formation body) and a pipe portion 12 that is detachably connected.
  • a vacuum cleaner main body 13 A vacuum cleaner main body 13.
  • the pipe part 12 is provided on the distal end side of the hose body 16, the connecting pipe part 15 connected to the cleaner body 13, the flexible hose body 16 communicating with the distal end side of the connecting pipe part 15.
  • the hand-operated portion 17 has a loop-shaped gripping portion 21 protruding toward the hose body 16, and a plurality of operation setting buttons 22 are provided above the gripping portion 21.
  • the cleaner body 13 includes a body case 26 having a large-diameter traveling wheel 23 on both sides and a swivel wheel (not shown) on the lower side.
  • the cleaner body 13 is configured to be able to travel (move) at least along the front-rear direction on the floor surface, which is the surface to be cleaned, by the traveling wheels 23 and the turning wheels.
  • the front-rear direction is based on the traveling (moving) direction of the cleaner body 13 (main body case 26).
  • the main body case 26 is made of, for example, a synthetic resin, and supports a main body 31 located behind the dust collector 27 and a lower part of the front of the main body 31 to support the lower portion of the dust collector 27. And a protrusion receiving portion 32 as a dust collector supporting portion.
  • the traveling wheels 23 are rotatably supported on both sides of the main body 31.
  • an electric blower 35 inside the main body 31, an electric blower 35, a control circuit unit (not shown) for controlling the operation of the electric blower 35, and a power source serving as a power source for the electric blower 35 and the control circuit unit, etc. Department is accommodated.
  • a cord reel device wound with a power cord connected to an external power source such as a commercial AC power source, or a battery such as a secondary battery is used.
  • a communication opening (not shown) that is airtightly connected to the upstream side of the dust collector 27 attached to the main body case 26 is formed in the lower portion of the front portion of the main body portion 31. Is formed with an intake opening (not shown) that communicates the downstream side of the dust collector 27 attached to the main body case 26 and the suction side of the electric blower 35. An exhaust hole (not shown) for discharging exhaust from the electric blower 35 is formed in the rear part of the main body 31.
  • a main body suction port 41 for sucking dust-containing air into the dust collector 27 is formed on the front surface of the protruding receiving portion 32 by connecting the connecting tube portion 15 of the tube portion 12.
  • the main body suction port 41 communicates with the communication opening. Therefore, the main body suction port 41 can communicate with the upstream side of the dust collector 27 attached to the main body case 26.
  • the operation of the electric blower 35 is controlled by the control circuit unit according to the operation of the setting button 22.
  • the electric blower 35 is arranged with the suction side as an upper side, for example.
  • the control circuit unit is electrically connected to the setting button 22, and the operation mode set by the operation of the setting button 22 (e.g., strong mode, medium mode, weak mode, automatic mode, stop mode, etc.).
  • the operation of the electric blower 35 is set.
  • the dust collecting device 27 includes a case body 45 that is an accommodating portion as a first main body portion, and a separator 46 that is a dust separating portion as a second main body portion that is accommodated inside the case body 45. ing.
  • the dust collector 27 includes a first centrifugal separator 47 that mainly centrifuges relatively large dust, that is, coarse dust, which is a part of the dust in the dust-containing air sucked by driving the electric blower 35.
  • a plurality of second centrifuges 48 for centrifuging relatively small dust, that is, fine dust (fine dust), which is the remaining dust that could not be separated by the first centrifuge 47, are configured.
  • the dust collecting device 27 is detachably locked to the main body case 26 by an attaching / detaching mechanism (not shown). Note that the front-rear direction and the left-right direction of the dust collector 27 are based on the state where the dust collector 27 is attached to the main body case 26, and the vertical direction is a state where the dust collector 27 is removed from the main body case 26 and placed on a horizontal surface, that is, The dust collector 27 (state shown in FIG. 1) is used as a reference. In the present embodiment, the dust collector 27 is attached to the main body case 26 so that the upper end side, which is one end side, is inclined rearward. When attached to 26, it may not always coincide with the vertical vertical direction.
  • the case body 45 is an outer shell of the dust collector 27 and is formed in a hollow, substantially cylindrical shape.
  • the case body 45 includes a case body main body 51 that is a cylindrical housing main body, and a cover portion 52 as a ceiling portion that is attached to an upper end that is one end of the case body main body 51.
  • a lid 53 as a bottom for opening and closing the lower end which is the other end of the case body 51 is provided.
  • an inlet 54 for sucking dust-containing air is opened at a position biased to one side, for example, the right side.
  • an exhaust part 55 from which air separated from dust is discharged is provided at the upper part.
  • the case body 51 is formed of a member such as a transparent (transparent) synthetic resin, for example.
  • the case body 51 is provided with an introduction port 54.
  • the cover part 52 is formed in a substantially circular plate shape, and airtightly closes the upper end part of the case body 51.
  • An exhaust part 55 is disposed on the cover part 52.
  • the cover portion 52 may be integrated with or separate from the case body main body 51.
  • the lid 53 includes a substantially circular dish-shaped lid body 57, a cylindrical receiving portion 58 arranged concentrically with the lid body 57, and the lid 53 can be rotated to the case body 51. And a hinge portion 59 that supports the shaft.
  • a sealing member that is airtightly pressed against the lower end of the case body 51 and a locking mechanism for locking the lid 53 to the case body 51 are not shown in the lid 53. Is provided.
  • the receiving portion 58 supports the separating body 46 from below with the lid 53 closed, and protrudes from the upper central portion of the lid body 57.
  • the hinge portion 59 is provided on one side of the lid body 57 and connects the lid 53 and the case body 51.
  • the seal member is disposed along the outer edge of the lid body 57 and the like.
  • the locking mechanism is provided, for example, on the other side of the lid body 57 opposite to the hinge 59. This locking mechanism can release the locking of the lid 53 with respect to the case body 51 by operating an operation unit (not shown).
  • the introduction port 54 is provided at a position facing the main body 31 in a state where the dust collector 27 is mounted on the main body case 26.
  • the introduction port 54 extends rearward substantially horizontally, and is airtightly connected to the communication opening in a state where the dust collector 27 is attached to the main body case 26. Therefore, the introduction port 54 is airtightly connected to the main body suction port 41 (via the communication opening).
  • the exhaust portion 55 extends in a cylindrical shape from the substantially central portion of the cover portion 52 toward the rear, and the front end side becomes an exhaust port 55a that faces the main body portion 31 with the dust collector 27 attached to the main body case 26. ing.
  • the separating body 46 includes a separating portion main body 61, a plurality of introducing portions 62 accommodated inside the separating portion main body 61, a plurality of cone portions 63 as second cylindrical portions, and a discharge as a plurality of discharging portions. And a cylindrical portion 64.
  • the separator 46 is detachably fixed to the case body main body 51 or the cover portion 52 of the case body 45.
  • the separation part main body 61 constitutes the first centrifugal separation part 47 together with the case body 45, and includes a shroud part 66 as a first cylindrical part, a separator part 67, a collecting wall part 68 as a partition part, and exhaust air. Road part 69 is provided. Further, the separation portion main body 61 is disposed inside the case body 45 along the central axis of the case body 45, and has a lower end side (lower end portion) with respect to the case body 45 (lid body 53 (receiving portion 58)). ) Are closely attached and supported.
  • the separation part main body 61 is in close contact with the case body 45, so that the first dust collection part for collecting the dust (coarse dust) centrifuged by the first centrifugal separation part 47 between the case body 45 and the case body 45.
  • the first reservoir 70 and the second reservoir 71 as a second dust collecting unit for storing the dust (fine dust) centrifuged by each of the second centrifugal separators 48 are divided into the outside and the inside.
  • the separation portion main body 61 is divided into a first structure portion 73 integrally including a shroud portion 66, a separator portion 67, and an exhaust air passage portion 69, and a second structure portion 74 constituting the aggregate wall portion 68. ing.
  • the shroud portion 66 forms a swirling air passage 76 for turning dust-containing air between the outer periphery and the inner peripheral surface 45a of the case body 45 as a turning center of the first centrifugal separation portion 47 (surrounding). is there.
  • the shroud portion 66 is formed in a cylindrical shape having an axial direction along the vertical direction, and is coaxially positioned at the center portion of the case body 45. Further, the shroud portion 66 is disposed at a height position substantially equal to the introduction port 54. Further, the shroud portion 66 includes a plurality of ventilation openings 77 on the peripheral surface, and a partition 78 is formed between adjacent ventilation openings 77 and 77, and each ventilation opening 77 is covered with a separation filter 79. ing.
  • the ventilation opening 77 penetrates the peripheral surface of the shroud portion 66 so as to communicate the outer peripheral side (swirl air path 76) and the inner peripheral side of the shroud portion 66, and is formed in, for example, a rectangular shape that is long in the vertical direction.
  • a plurality of openings are spaced apart from each other at substantially equal intervals.
  • each partition 78 has a lattice shape (continuous shape) that is elongated along the vertical direction and is positioned at substantially equal intervals in the circumferential direction of the shroud portion 66.
  • the separation filter 79 is, for example, a mesh filter, and filters and separates dust in the dust-containing air that passes through the ventilation openings 77.
  • the separator portion 67 divides the inside of the case body 45 into a swirling air passage 76 and a first reservoir portion 70 in the vertical direction.
  • the separator portion 67 is adjacent to the lower end portion of the shroud portion 66. That is, the separator portion 67 is located below the shroud portion 66.
  • the separator portion 67 is formed in a covered cylindrical shape having a larger diameter than the shroud portion 66 and having an axial direction along the vertical direction, and is arranged coaxially with the shroud portion 66.
  • the separator portion 67 includes a circular flat plate-shaped top plate portion 81 and a substantially cylindrical peripheral plate portion 82 that protrudes downward from the outer edge portion of the top plate portion 81 on the opposite side to the shroud portion 66. I have.
  • the separator 67 is provided with a rectifier 83 that rectifies dust-containing air that passes from the swirling air passage 76 to the second centrifugal separators 48 through the ventilation openings 77.
  • the top plate portion 81 is located so as to cover the lower end portion of the shroud portion 66.
  • the top plate portion 81 has a larger diameter than the shroud portion 66, and an outer edge portion protrudes radially outward with respect to the shroud portion 66.
  • a plurality of openings 85 are opened at positions inside the shroud portion 66.
  • openings 85 allow dust-containing air that has passed from the swirling air passage 76 to the inside of the shroud 66 through the ventilation openings 77 (separation filter 79) to the inside of the separator 67 (each second centrifugal separator 48 ( Each cone portion 63)) is introduced, for example, formed in a circular shape, and disposed symmetrically on the top plate portion 81, for example.
  • These openings 85 include a central opening 85a disposed on the central portion of the top plate 81, that is, the central axis of the shroud portion 66, and an outer periphery near the central opening 85a, that is, the shroud portion 66.
  • a plurality of outer openings 85b are set in the vicinity of the inner periphery and spaced apart from each other on the same circle.
  • the rectifying unit 83 includes a portion located on the inner peripheral side of the shroud portion 66 of the top plate 81 and each opening 85. That is, the rectifying unit 83 communicates the ventilation opening 77 and each second centrifuge unit 48.
  • the collecting wall portion 68 includes a substantially cylindrical upper wall portion 87 as a partition wall portion main body, and a reduced diameter portion as a dust guide portion that is continuous with the lower end portion of the upper wall portion 87 and decreases in diameter from the upper end side to the lower end side.
  • 88 and a cylindrical connecting portion 89 as a supported portion continuous to the lower end portion of the reduced diameter portion 88 are integrally formed, and formed into a substantially cylindrical shape whose diameter is reduced from the upper end side to the lower end side as a whole. Has been.
  • the aggregate wall portion 68 has an upper end side (upper end portion side of the upper wall portion 87) positioned inward of the separator portion 67 and a lower end portion side (lower end portion side of the upper wall portion 87, a reduced diameter portion 88 and a connection).
  • the portion 89) protrudes downward from the separator portion 67 and is located in the case body 45.
  • the inside of the collecting wall portion 68 communicates with the second reservoir portion 71.
  • the upper wall portion 87 is formed so as to gradually reduce the diameter from the upper end portion side to the lower end portion side.
  • the lower end portion of the upper wall portion 87 is larger in diameter than the shroud portion 66, for example.
  • the reduced diameter portion 88 guides the dust (fine dust) centrifuged by each second centrifuge 48 to the second reservoir 71 and is inclined toward the second reservoir 71.
  • connection part 89 is a part that supports the separation part main body 61 (separation body 46) in close contact with the bottom part (lid body 53) of the case body 45, and has a diameter dimension substantially equal to the receiving part 58 of the lid body 53.
  • the lid body 53 is in close contact with the receiving portion 58 in a state where the lower end portion of the case body 45 is closed.
  • the exhaust air passage unit 69 communicates with all the second centrifugal separators 48 and the exhaust units 55 (exhaust ports 55a), and exhausts the substantially dust-free air that has passed through the second centrifugal separators 48. It flows to the portion 55 (exhaust port 55a).
  • the exhaust air passage portion 69 is adjacent to the upper end portion of the shroud portion 66 opposite to the separator portion 67. That is, the exhaust air passage portion 69 is located above the shroud portion 66.
  • the exhaust air passage portion 69 has a larger diameter than the shroud portion 66 and is formed in a bottomed cylindrical shape having an axial direction along the vertical direction, and is disposed coaxially with the shroud portion 66.
  • the exhaust air passage portion 69 has a circular flat air passage partition portion 91 and protrudes upward from the outer edge portion of the air passage partition portion 91 to the opposite side to the shroud portion 66 in the case body 45 (case And a peripheral wall portion 92 that is in close contact with the upper end side of the body main body 51 or the lower portion of the cover portion 52.
  • the airway partition 91 is located so as to cover the upper end of the shroud 66.
  • a plurality of communication openings 94 are opened in the airway partition wall 91 at an inner position of the shroud 66. These communication openings 94 are used to introduce the air that has passed through the second centrifugal separation portions 48 into the exhaust air passage portions 69, and communicate with the upper end portions (downstream end portions) of the respective discharge cylinder portions 64. .
  • the peripheral wall 92 is formed in a cylindrical shape that gradually increases in diameter from the lower end side to the upper end side.
  • the first reservoir 70 is formed by the contact between the connecting portion 89 of the collecting wall portion 68 of the separating portion main body 61 and the receiving portion 58 of the lid 53, thereby collecting the case body 51, the lid 53, and the collecting wall of the separating portion main body 61. It is partitioned between the outside of the part 68.
  • the first reservoir portion 70 is a space portion on the outer peripheral side of the collective wall portion 68 in the case body 45.
  • the second reservoir 71 is configured such that the connecting portion 89 of the collecting wall 68 of the separating portion main body 61 and the receiving portion 58 of the lid 53 are in close contact with each other, and the collecting wall of the lid 53 (receiving portion 58) and the separating portion main body 61. It is partitioned between the inside of the part 68.
  • the second reservoir 71 is surrounded by the receiving portion 58 of the lid 53 in the present embodiment.
  • the first reservoir 70 is arranged in a donut shape (annular shape) around the second reservoir 71. That is, the first reservoir 70 and the second reservoir 71 are arranged concentrically.
  • the first structure portion 73 has an upper end side (exhaust air passage portion 69 (circumferential wall portion 92)) fixed to the case body 45 (the case body main body 51 or the cover portion 52) and a lower end side (the separator portion 67 side) a free end. It has become a shape.
  • the second structure portion 74 is detachably attached to the first structure portion 73 by inserting the upper end side (the upper end side of the collecting wall portion 68 (upper wall portion 87)) into the separator portion 67 of the first structure portion 73.
  • the lower end side (the lower end side of the collective wall portion 68 (connecting portion 89)) is a free end shape.
  • Each introduction portion 62 is attached to the upper end portion of each cone portion 63, and the dust-containing air that has passed through the first centrifugal separation portion 47 enters each cone portion 63 in the tangential direction of the inner peripheral surface of this cone portion 63.
  • the cone portion 63 each second centrifugal separation portion 48
  • the discharge cylinder portion 64 communicate with each other, and are located below the separator portion 67 (rectifying portion 83)
  • the intake opening 62a (upstream side) located in the position communicates with the ventilation opening 77 through the opening 85. Therefore, these inlets 62 communicate with the swirl air passage 76 on the suction side (via the rectifying unit 83 (opening 85) and the ventilation opening 77).
  • Each introduction part 62 is set so that the opening directions of the intake openings 62a are different from each other by a predetermined angle, and the air introduced into the separator part 67 through the opening 85 (rectifying part 83) is supplied to each cone.
  • the parts 63 are distributed almost evenly.
  • these introduction parts 62 are connected to the discharge cylinder part 64 at the exhaust opening 62b (downstream side) located at the center part. Therefore, these introduction parts 62 communicate with the exhaust air passage part 69 on the exhaust side (via the discharge cylinder part 64).
  • Each cone part 63 constitutes each second centrifuge part 48 as a set with each introduction part 62, and communicates in parallel with the first centrifuge part 47.
  • These cone parts 63 have a smaller diameter than the shroud part 66, are positioned along the vertical vertical direction, that is, substantially parallel to the central axis of the dust collector 27, and include It is formed in a substantially cylindrical shape that gradually decreases in diameter from the upper end side where dust air flows in to the lower end side. For this reason, these cone parts 63 have a turning radius of the dust-containing air smaller than a turning radius in the turning air path 76 of the first centrifugal separator 47 and a turning speed of the turning air path of the first centrifugal separator 47.
  • these cone portions 63 are integrally connected to each other via a connecting plate 96 as a connecting portion, for example, and the second structure portion 74 (collecting wall portion 68 (upper wall portion 87) is connected via the connecting plate 96. ) And is accommodated inside the collective wall 68. For this reason, these cone portions 63 are located inside the separator portion 67. The lower end portions of the cone portions 63 are spaced upward from the reduced diameter portion 88 to face the reduced diameter portion 88 and communicate with the second reservoir 71. Therefore, the lower end portions of the cone portions 63 serve as discharge openings 63 a for discharging fine dust centrifuged at the second centrifugal separator 48 to the second reservoir 71.
  • Each discharge cylinder portion 64 is formed in an elongated cylindrical shape, and communicates each second centrifuge portion 48 (each cone portion 63) and the exhaust air passage portion 69. That is, each discharge cylinder part 64 is provided corresponding to each second centrifuge part 48 (each cone part 63), and the lower end part (upstream side) is airtightly connected to the exhaust opening 62b of each introduction part 62, The upper end (downstream side) is airtightly connected to each communication opening 94.
  • These discharge cylinders 64 have an axial direction along the vertical vertical direction, that is, substantially parallel to the central axis of the dust collector 27, and the top plate 81 (rectifier 83) of the separator 67. ) And is located inside the shroud portion 66.
  • these discharge cylinder parts 64 are located in the dust-containing air branched from the ventilation openings 77 (via the rectifying parts 83) to the second centrifuge parts 48 (each cone part 63).
  • the discharge cylinders 64 are separated from the outer discharge cylinders 64a that are a plurality of first discharge cylinders that are spaced apart from each other on the same relatively large circle and from the relatively small same circle.
  • the inner discharge cylinders 64b which are the plurality of second discharge cylinders positioned in this manner, are set so as to be concentric and symmetrically arranged.
  • the outer discharge cylinder 64a is disposed outside the opening 85 (outer opening 85b) and in close contact with the rear side of the partition 78 of the shroud 66, that is, the position inside the shroud 66.
  • These outer discharge cylinders 64a are arranged, for example, for every other partition 78, and are located on both sides of each outer opening 85b (two for each outer opening 85b).
  • the inner discharge cylinder portion 64b is disposed around the central axis of the shroud portion 66, and is disposed outside the central opening portion 85a and between the outer opening portions 85b and 85b. For this reason, these discharge cylinder portions 64 are arranged so as to surround the openings 85, respectively.
  • outer discharge cylinder parts 64a and 64a and the inner discharge cylinder parts 64b and 64b are arranged so as to surround each outer opening 85b, and the inner discharge cylinder part 64b is arranged so as to surround the central opening 85a (FIG. 2).
  • the first centrifugal separator 47 rotates the dust-containing air along the inner surface of the case body 45 in the swirling air passage 76 around the shroud portion 66 to centrifuge the dust.
  • Each second centrifuge 48 communicates with the first centrifuge 47 in parallel, and the dust-containing air that has passed through the first centrifuge 47 is transferred from the inlet 62 to the cone 63.
  • the second reservoir is formed by centrifuging dust (fine dust) smaller than the dust (coarse dust) that is introduced into the interior and swirled along the inner surface of the cone 63 and centrifuged by the first centrifugal separator 47.
  • air that has been separated from fine dust and substantially free of dust is discharged from the discharge tube portion 64 to the exhaust air passage portion 69 (exhaust portion 55 (exhaust port 55a)), that is, outside the dust collector 27. It exhausts to.
  • the separation body 46 When starting cleaning, first, the separation body 46 is attached to the case body 45 and assembled integrally. At this time, the separating body 46 inserts and holds the first structure portion 73 in the case body 45 whose lower end side is opened by the lid 53, and each introduction portion is provided in the first structure portion 73.
  • the intake plate 62a of each introduction portion 62 is connected to each discharge cylinder by inserting and holding the upper end side of the second structure portion 74 holding the connecting plate 96 that connects the cone portion 63 to which the 62 is attached on the upper end side.
  • the case body 45 is coaxially held in a state of being airtightly connected to the portion 64.
  • a first reservoir 70 and a second reservoir 71 are defined between the case body 45 and the separation body 61.
  • the assembled dust collector 27 is attached to the main body case 26, and the dust collector 27 is locked to the main body case 26 by an attaching / detaching mechanism, whereby the inlet 54 and the exhaust part 55 of the dust collector 27 are connected to the main body case. 26 communication openings and intake openings are connected in an airtight manner. Therefore, the dust collector 27 is attached to the main body case 26 in an airtight connection between the suction side of the electric blower 35 and the main body suction port 41. Note that when the dust collector 27 is already attached to the main body case 26, these operations are not necessary.
  • the pipe portion 12 is connected to the main body suction port 41 of the cleaner body 13 (main body case 26). Specifically, the pipe section 12 inserts and connects the connection pipe section 15 to the main body suction port 41, and sequentially connects the extension pipe 18 and the floor brush 19 to the distal end side of the hand operation section 17 as necessary.
  • the setting button 22 of the hand operation unit 17 is electrically connected to a control circuit unit in the cleaner body 13 (main body case 26) and the like. In addition, when the pipe part 12 is already connected to the cleaner body 13, these operations are unnecessary.
  • the user sets the operation mode of the electric blower 35 by holding the gripping part 21 and operating the desired setting button 22 after the electric blower 35 and the control circuit unit can be powered. .
  • the control circuit unit controls the input of the electric blower 35 corresponding to the set operation mode, and starts the electric blower 35 in the set operation mode.
  • the negative pressure generated by the activation of the electric blower 35 includes an intake opening, an exhaust 55, an exhaust air passage 69, a second centrifugal separator 48, a rectifier 83, a first centrifugal separator 47, an inlet 54, and communication. It acts on the tube portion 12 via the opening and the main body suction port 41.
  • the dust-containing air that is, the dust-containing air is guided from the pipe portion 12 to the introduction port 54 via the main body suction port 41 and the communication opening, and from the introduction port 54 to the inside of the dust collector 27, that is, the first air. It is sucked into the centrifuge 47.
  • the dust-containing air swirls in the swirling air passage 76 along the inner peripheral surface 45a of the case body 45, whereby particularly coarse dust in the dust-containing air is centrifuged, and the case body. It drops along the inner peripheral surface 45a of 45 and is stored in the first donut-shaped reservoir 70 below the separator 67.
  • the dust-containing air swirling in the swirling air passage 76 is filtered by the separation filter 79 when passing through the ventilation opening 77 of the shroud portion 66. Further, the dust-containing air that has passed through the separation filter 79 is rectified by the rectifier 83 while being guided to the openings 85 by the discharge cylinders 64, and passes from the openings 85 to the inside of the separator 67. Then, the air flows from the intake opening 62a of each introduction portion 62 into the second centrifugal separation portion 48 (inside the cone portion 63), and is branched substantially evenly.
  • the dust-containing air is swirled along the inner peripheral surface (the inner peripheral surface of the cone part 63), and fine dust in the dust-containing air is centrifuged, It falls from the discharge opening 63a to the lower side of the cone 63 along the second centrifuge 48 (the inner peripheral surface of the cone 63).
  • the fine dust falls on the reduced diameter portion 88 positioned below each cone portion 63 and is stored in the second reservoir 71 along the inclination of the reduced diameter portion 88.
  • the air substantially free of dust from which fine dust has been centrifuged flows from the exhaust opening 62b of the introduction portion 62 of each second centrifugal separation portion 48 to the exhaust air passage portion 69 via each discharge cylinder portion 64. After being exhausted and merged, the exhaust part 55 (exhaust port 55a) is exhausted to the outside of the dust collector 27 through the exhaust air passage part 69.
  • the air is sucked into the electric blower 35 through the intake opening, passes through the electric blower 35 while cooling, and becomes exhausted air, and is discharged from the electric blower 35 to the outside of the main body case 26 through the exhaust hole. Is exhausted.
  • the user When the cleaning is completed, the user operates a predetermined setting button 22 so that the control circuit unit reduces the input of the electric blower 35 and stops the electric blower 35.
  • the lower portion of the case body 45 is opened, and the lid 53 (receiving portion 58) and the lower end portion of the separation portion main body 61 (collecting wall portion 68 (connecting portion 89)) are separated from each other, Coarse dust and fine dust collected in the At this time, since the coarse dust surrounds the fine dust, the fine dust is discarded while being encased in the coarse dust, so that the rising of the fine dust is suppressed and sanitary disposal becomes possible.
  • the first centrifugal separation unit 47 that centrifugally separates dust by rotating dust-containing air around the shroud unit 66 along the inner peripheral surface 45a of the case body 45, and the first centrifugal separation unit 47. It is smaller than the dust that communicates in parallel with the centrifuge unit 47 and rotates the dust-containing air that has passed through the first centrifuge unit 47 along the inner surface of each cone unit 63 and centrifuges in the first centrifuge unit 47.
  • dust can be efficiently collected using the first centrifuges 47 and the plurality of second centrifuges 48.
  • each second centrifuge unit 48 is arranged inside the separator unit 67 located below the shroud unit 66 of the first centrifuge unit 47, the structural space of the first centrifuge unit 47 is utilized, Since the second centrifugal separators 48 having a higher swirling flow speed and more likely to generate noise than the first centrifugal separators 47 can be enclosed in the outer shell of the first centrifugal separator 47 and can be insulated, noise can be suppressed.
  • the separating portion main body 61 is separated into the outside and the inside of the separating portion main body 61 by the close contact between the separating portion main body 61 and the case body 45, so that it is stored in the second reservoir 71 by the coarse dust collected in the first reservoir 70. It can wrap up fine dust, and can be disposed of in a sanitary manner while suppressing the rise of fine dust.
  • the cone part 63 is arranged inside the separator part 67 and inside the collecting wall part 68, so that the noise generated in the cone part 63 is doubled. Sound insulation and noise can be further suppressed.
  • the outer opening 85b is in the vicinity of the inner periphery of the shroud 66. Therefore, the dust-containing air that has passed through the ventilation opening 77 can easily and quickly flow into the second centrifuge 48 through the opening 85 (outer opening 85b), is efficient, and is concentrated. Since the dust-containing air sucked into the dust device 27 is sucked into the second centrifuge 48 at an early stage without wandering inside the dust collector 27, fine dust in this dust-containing air adheres to each part. Hateful.
  • the shroud portion 66 is at a height position substantially equal to the introduction port 54, the dust-containing air introduced from the introduction port 54 to the first centrifugal separation unit 47 (swirl air passage 76) flows into the ventilation opening 77 as it is. Then, it is introduced into each second centrifuge part 48 (each cone part 63) through the opening 85 (rectifying part 83). Therefore, since the dust-containing air smoothly flows into the second centrifuges 48 (each cone 63) without repeatedly moving up and down, the efficiency is high.
  • the outer discharge cylinder part 64a Out of the discharge cylinder part 64 that is located at the upper end of each cone part 63 and discharges the air obtained by centrifuging the dust by the second centrifugal separator 48, the outer discharge cylinder part 64a has the opening 85 (the outer opening 85b). Therefore, the dust-containing air that has passed through the ventilation opening 77 can flow more efficiently to the opening 85 (outer opening 85b). Further, since the periphery of each opening 85 is surrounded by the discharge cylinder part 64, each opening 85 is located at a position where the dust-containing air that has passed through the ventilation opening 77 avoids the discharge cylinder part 64, The entire discharge cylinder 64 can guide the dust-containing air to the opening 85.
  • the dust collector 27 is configured to exhaust dust from below by opening and closing the bottom of the case body 45 with the lid 53.
  • the case body 45 is configured in a bottomed cylindrical shape.
  • the separator 46 separatator main body 61
  • the separator 46 may be removed from the case body 45 and discarded from the upper end side of the case body 45.
  • the vacuum cleaner 11 is not limited to the canister type, for example, a so-called upright type in which a floor brush 19 is connected to the lower end portion of the main body case 26 that is long in the vertical direction, or directly extends to the main body case 26.
  • a stick type to which the tube 18 and the floor brush 19 are connected can also be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Electric Suction Cleaners (AREA)
PCT/JP2016/078499 2015-09-29 2016-09-27 電気掃除機 WO2017057384A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020177010400A KR101981446B1 (ko) 2015-09-29 2016-09-27 전기청소기
EP16851555.9A EP3357394A4 (en) 2015-09-29 2016-09-27 ELECTRIC VACUUM CLEANER
CN201680003467.9A CN107105955B (zh) 2015-09-29 2016-09-27 电动吸尘器
MYPI2018701262A MY188252A (en) 2015-09-29 2016-09-27 Vacuum cleaner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015191925A JP6690911B2 (ja) 2015-09-29 2015-09-29 電気掃除機
JP2015-191925 2015-09-29

Publications (1)

Publication Number Publication Date
WO2017057384A1 true WO2017057384A1 (ja) 2017-04-06

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PCT/JP2016/078499 WO2017057384A1 (ja) 2015-09-29 2016-09-27 電気掃除機

Country Status (7)

Country Link
EP (1) EP3357394A4 (zh)
JP (1) JP6690911B2 (zh)
KR (1) KR101981446B1 (zh)
CN (1) CN107105955B (zh)
MY (1) MY188252A (zh)
TW (1) TWI653024B (zh)
WO (1) WO2017057384A1 (zh)

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US12016512B2 (en) * 2018-01-29 2024-06-25 Lg Electronics Inc. Cleaner

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CN112190179B (zh) * 2019-07-08 2022-05-03 东芝生活电器株式会社 电动吸尘器
CN110811426A (zh) * 2019-12-03 2020-02-21 珠海格力电器股份有限公司 吸尘器的出风导向件和吸尘器

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Publication number Publication date
EP3357394A1 (en) 2018-08-08
MY188252A (en) 2021-11-24
EP3357394A4 (en) 2019-05-22
CN107105955A (zh) 2017-08-29
JP2017063967A (ja) 2017-04-06
KR101981446B1 (ko) 2019-05-24
JP6690911B2 (ja) 2020-04-28
TWI653024B (zh) 2019-03-11
CN107105955B (zh) 2020-07-14
TW201711618A (zh) 2017-04-01
KR20170063732A (ko) 2017-06-08

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