WO2013124939A1 - Aspirateur électrique - Google Patents

Aspirateur électrique Download PDF

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Publication number
WO2013124939A1
WO2013124939A1 PCT/JP2012/007970 JP2012007970W WO2013124939A1 WO 2013124939 A1 WO2013124939 A1 WO 2013124939A1 JP 2012007970 W JP2012007970 W JP 2012007970W WO 2013124939 A1 WO2013124939 A1 WO 2013124939A1
Authority
WO
WIPO (PCT)
Prior art keywords
vacuum cleaner
electric
electric blower
rectifying plate
support member
Prior art date
Application number
PCT/JP2012/007970
Other languages
English (en)
Japanese (ja)
Inventor
土田　英也
理基 古賀
康二 難波
吉川　達夫
Original Assignee
パナソニック株式会社
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 パナソニック株式会社 filed Critical パナソニック株式会社
Priority to CN201280070213.0A priority Critical patent/CN104159488B/zh
Publication of WO2013124939A1 publication Critical patent/WO2013124939A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • 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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping

Definitions

  • the present invention relates to a vacuum cleaner that reduces noise during operation.
  • FIG. 10 is a central longitudinal sectional view of a vacuum cleaner main body of a conventional electric vacuum cleaner.
  • the conventional vacuum cleaner includes an electric blower 8 that generates suction air and a dust collection filter 5 on the upstream side of the electric blower 8. Dust and air flow into the dust collecting filter 5 to separate the dust and air. Dust stays in the dust collecting filter 5, and the air flows toward the electric blower 8 installed at the rear part of the dust collecting filter 5.
  • a rectifying plate 37 for improving the rectifying action in the vicinity of the intake port 11 of the electric blower 8 is sandwiched between support members 13 made of a soft material such as rubber, and the intake guide 12 that forms the intake port 11 of the electric blower 8 is provided. It was attached as a configuration in which a gap is not opened by contact (see, for example, Patent Document 1).
  • the vacuum cleaner of the present invention includes an electric blower, a support member, and a ring-shaped rectifying plate.
  • the electric blower includes an electric motor, an impeller fan fixed to the rotating shaft of the electric motor and driven to rotate, a fan case having an intake port and covering the impeller fan, and an intake guide fixed to the fan case and forming an intake port.
  • the support member covers a part of the outer peripheral portion of the electric blower.
  • the rectifying plate includes an inclined portion that includes an opening and faces the air inlet of the fan case, and a holding portion that is sandwiched between the support members.
  • the rectifying plate is arranged with a gap between the rectifying plate and the intake guide in a state where the rectifying plate is sandwiched between the support members, and is configured to form a muffler chamber in a space between the inclined portion and the holding portion. ing.
  • the air that has entered the silencing chamber resonates in the silencing chamber, thereby obtaining the same silencing effect as the Helmholtz resonator.
  • FIG. 1 is an overall perspective view of the electric vacuum cleaner according to Embodiment 1 of the present invention.
  • FIG. 2 is a central longitudinal sectional view of the vacuum cleaner main body of the electric vacuum cleaner according to Embodiment 1 of the present invention.
  • FIG. 3 is a front perspective view of the current plate of the electric vacuum cleaner according to Embodiment 1 of the present invention.
  • FIG. 4 is a rear perspective view of the current plate of the electric vacuum cleaner according to Embodiment 1 of the present invention.
  • FIG. 5 is a rear perspective view of the current plate in the second embodiment of the present invention.
  • FIG. 6 is a central longitudinal sectional view of the vacuum cleaner body of the electric vacuum cleaner according to Embodiment 2 of the present invention.
  • FIG. 1 is an overall perspective view of the electric vacuum cleaner according to Embodiment 1 of the present invention.
  • FIG. 2 is a central longitudinal sectional view of the vacuum cleaner main body of the electric vacuum cleaner according to Embodiment 1 of the present invention.
  • FIG. 3 is
  • FIG. 7 is a rear perspective view of the current plate supported by the support member according to the third embodiment of the present invention.
  • FIG. 8 is a rear perspective view of the current plate supported by the support member according to Embodiment 4 of the present invention.
  • FIG. 9 is a front perspective view of a current plate supported by an electric blower according to Embodiment 5 of the present invention via a support member.
  • FIG. 10 is a central longitudinal sectional view of a vacuum cleaner body of a conventional vacuum cleaner.
  • FIG. 1 is an overall perspective view of the electric vacuum cleaner according to Embodiment 1 of the present invention.
  • FIG. 2 is a central longitudinal sectional view of the vacuum cleaner main body of the electric vacuum cleaner according to Embodiment 1 of the present invention.
  • FIG. 3 is a front perspective view of the current plate of the electric vacuum cleaner according to Embodiment 1 of the present invention.
  • FIG. 4 is a rear perspective view of the rectifying plate of the electric vacuum cleaner according to Embodiment 1 of the present invention.
  • the vacuum cleaner in the present embodiment includes a floor nozzle 1, an extension pipe 2, a dust collecting hose 3, and a cleaner body 4.
  • the floor nozzle 1, the extension pipe 2, the dust collecting hose 3 and the cleaner body 4 are connected in this order.
  • a dust collection filter 5 is installed in the cleaner body 4 so as to communicate with a connection port to the dust collection hose 3.
  • an electric blower 8 is installed via a dust collecting filter 5, a filter frame 6, and a partition grid 7 of the cleaner body 4.
  • the electric blower 8 has an electric motor 9, an impeller fan (not shown), and a fan case 10.
  • the impeller fan is fixed to the rotating shaft of the electric motor 9 and is driven to rotate.
  • the fan case 10 has an intake port 11 and covers the impeller fan.
  • An intake guide 12 that forms an intake port 11 is fixed to the fan case 10.
  • the electric motor 9 is provided with an exhaust port 26.
  • a soundproof case exhaust port 18 is provided on the lower wall of the soundproof case 16, and a main body exhaust port 19 is provided on the rear wall.
  • the electric blower 8 is elastically supported by the cleaner body 4 and the soundproof case 16 via the support member 13 and the vibration isolating rubber 15.
  • the support member 13 is made of a soft material such as rubber provided on the front outer periphery of the fan case 10.
  • the anti-vibration rubber 15 is provided in the housing portion 14 of the electric motor 9.
  • the support member 13 is configured to cover a part of the front outer peripheral portion of the electric blower 8.
  • the front of the electric blower 8 indicates the upstream direction of the suction air
  • the rear indicates the downstream direction of the suction air. The same applies hereinafter.
  • the support member 13 supports an annular current plate 17a.
  • the rectifying plate 17 a includes an inclined portion 28 that has an opening 27 and faces the air inlet 11 of the fan case 10, and a holding portion 29 that is sandwiched by the support member 13.
  • the rectifying plate 17a is disposed with a gap 30 between the rectifying plate 17a and the intake guide 12 in a state where the rectifying plate 17a is sandwiched between the support members 13 attached to the fan case 10, and the inclined portion 28 and the holding portion.
  • the sound deadening chamber 22 is formed in the space between the two.
  • a space surrounded by the silencer chamber 22 of the rectifying plate 17a, the support member 13, the fan case 10, and the intake guide 12 becomes a silencer space 31 serving as a Helmholtz resonator.
  • the air exhausted from the exhaust port 26 is exhausted from the soundproof case exhaust port 18 through the passage formed by the inner wall of the cleaner body 4 and the outer wall of the soundproof case 16 from the main body exhaust port 19.
  • the above-described series of air flows is indicated by an arrow 23.
  • the suction airflow flowing into the intake port 11 of the electric blower 8 includes a noise component including wind noise during suction.
  • the noise enters the muffler space 31 through the gap 30 between the rectifying plate 17a and the intake guide 12 until the suction airflow including the noise flows into the intake port 11 from the rectifying plate 17a.
  • the sound that has entered the silencing space 31 resonates in the silencing space 31, thereby obtaining the same silencing effect as the Helmholtz resonator, and noise including wind noise during suction is attenuated.
  • the suction airflow with attenuated noise flows into the intake port 11, cools the electric motor 9, and is exhausted from the exhaust port 26.
  • the rectifying plate 17a is disposed with a gap 30 between the rectifying plate 17a and the intake guide 12 in a state where the rectifying plate 17a is sandwiched between the support members 13 attached to the fan case 10, the conventional electric It differs from the structure which the baffle plate 37 is contact
  • FIG. 5 is a rear perspective view of the current plate in the second embodiment of the present invention.
  • FIG. 6 is a central longitudinal sectional view of the vacuum cleaner body of the electric vacuum cleaner according to Embodiment 2 of the present invention.
  • the same parts as those of the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
  • a soundproof material 24 is disposed on the inner periphery of the muffler chamber 22 formed in the space between the inclined portion 28 and the holding portion 29 in the rectifying plate 17 b in the present embodiment.
  • the sound that enters the silencing space 31 resonates in the silencing space 31, and the same silencing effect as that of the Helmholtz resonator is obtained.
  • the sound absorbing material 24 disposed on the inner periphery of the silencing chamber 22 absorbs the sound. Is done. For this reason, the effect of attenuating noise and wind noise during suction increases.
  • a plurality of holding ribs 32 are provided at intervals on the inner wall surface of the inclined portion 28 of the rectifying plate 17b.
  • the spacing between the holding ribs 32 prevents the holding ribs 32 from blocking the exposed area of the soundproofing material 24 in the sound deadening chamber 22, and the soundproofing material 24 has a large area in the sound deadening space 31. It is for exposing.
  • the holding rib 32 is also arranged so that the end of the holding rib 32 is not in contact with anything. Thereby, the vibration accompanying the rotation of the electric blower 8 is transmitted to the rectifying plate 17b and no resonating noise is generated.
  • FIG. 7 is a rear perspective view of the rectifying plate supported by the support member according to Embodiment 3 of the present invention.
  • the same parts as those of the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
  • the rectifying plate 17 c in the present embodiment has a plurality of sound deadening chambers 33 formed by partitioning the sound deadening chamber 22 formed in the space between the inclined portion 28 and the holding portion 29 with ribs 25. It is comprised so that it may be formed. Thereby, since the space volume of each of the plurality of muffler chambers 33 can be reduced, high-frequency sound can be effectively reduced. It has been demonstrated from the sound deadening effect characteristics of the Helmholtz resonator that the sound deadening chamber having a smaller spatial volume is more effective in reducing high frequency sound.
  • FIG. 8 is a rear perspective view of the current plate supported by the support member according to the fourth embodiment of the present invention.
  • the same parts as those in the first and third embodiments are denoted by the same reference numerals and the description thereof is omitted.
  • the rectifying plate 17 d in the present embodiment has a plurality of different volume volumes by partitioning the muffler chamber 22 formed in the space between the inclined portion 28 and the holding portion 29 with ribs 25.
  • the sound deadening chamber 34 is formed.
  • the volume of each of the plurality of muffler chambers 34 can be made different in size, so that a muffler effect can be obtained with respect to sounds having different frequencies, and noise at different frequencies and wind noise during suction can be attenuated. It becomes.
  • FIG. 9 is a front perspective view of a current plate supported by an electric blower according to Embodiment 5 of the present invention via a support member.
  • the same parts as those of the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
  • the rectifying plate 17 e in the present embodiment is configured such that the inner diameter A of the opening 27 is larger than the inner diameter B of the air inlet 11 of the electric blower 8.
  • the opening 27 of the rectifying plate 17 e causes the intake port 11 of the electric blower 8 to be connected. It is possible to prevent the blockage. For this reason, the wind noise caused by the turbulent flow of the suction airflow can be suppressed, and the intended suction performance can be ensured.
  • the vacuum cleaner according to the embodiment of the present invention is provided with the sound deadening chamber 22 on the back side of the current plate 17 that is a conventional component, and between the current plate 17 and the intake guide 12 of the electric blower 8.
  • a sound deadening space 31 in which the sound deadening effect of the Helmholtz resonator can be obtained is provided.
  • the air that has entered the silencing space 31 resonates in the silencing space 31, and the same silencing effect as the Helmholtz resonator is obtained.
  • the rectifying plate 17 is a general term for the rectifying plates 17a to 17e of the first to fifth embodiments.
  • the rectifying plate 17 according to the embodiment of the present invention is disposed with a gap 30 between the rectifying plate 17 and the intake guide 12 in a state of being sandwiched between the support members 13 attached to the fan case 10. ing. For this reason, the noise generated when the vibration associated with the rotation of the electric blower 8 is transmitted to the rectifying plate 17 and the wind noise generated when the air is sucked in is transmitted to the electric blower 8. Propagation to can be reduced.
  • a dust collection filter such as a paper bag is used for the dust collection unit.
  • an effect that noise during operation can be reduced can be obtained even in a case using a cyclone type dust collection device. .
  • the vacuum cleaner of the present invention includes an electric blower, a support member, and a ring-shaped rectifying plate.
  • the electric blower includes an electric motor, an impeller fan fixed to the rotating shaft of the electric motor and driven to rotate, a fan case having an intake port and covering the impeller fan, and an intake guide fixed to the fan case and forming an intake port.
  • the support member covers a part of the outer peripheral portion of the electric blower.
  • the rectifying plate includes an inclined portion that includes an opening and faces the air inlet of the fan case, and a holding portion that is sandwiched between the support members.
  • the rectifying plate is arranged with a gap between the rectifying plate and the intake guide in a state where the rectifying plate is sandwiched between the support members, and is configured to form a muffler chamber in a space between the inclined portion and the holding portion. ing.
  • the noise in the suction air accompanied by wind noise generated near the suction port of the electric blower is provided between the current plate sandwiched between the support members made of a soft material such as rubber and the intake guide of the electric blower. From the gap, it enters the noise reduction space formed by the noise reduction chamber provided inside the current plate.
  • the air that has entered the silencing space resonates in the silencing space, so that the same silencing effect as that of the Helmholtz resonator can be obtained, and noise and wind noise during suction can be attenuated.
  • the rectifying plate is disposed with a gap between the rectifying plate and the air intake guide in a state where the rectifying plate is sandwiched between the support members attached to the fan case, the vibration accompanying the rotation of the electric blower is rectified. It is possible to reduce propagation of noise that is transmitted to the plate and resonates, or noise that is generated by wind noise generated when air is sucked to the electric blower, to the outside of the cleaner body.
  • a soundproof material may be disposed on the inner periphery of the sound deadening chamber.
  • a plurality of noise reduction chambers may be formed by partitioning the noise reduction chambers with ribs.
  • the ribs may be arranged so that the space volumes of the plurality of muffler chambers are different. Thereby, since each space volume of a plurality of sound deadening rooms can be made into a different size, the sound deadening effect of the sound with different frequency is obtained. As a result, it is possible to attenuate noise of different frequencies and wind noise during suction.
  • the inner diameter of the opening of the rectifying plate may be larger than the inner diameter of the air inlet provided in the electric blower. This prevents the opening of the rectifying plate from blocking the intake port of the electric blower even if the set position of the rectifying plate held by the support member is shifted when the electric blower is incorporated into the cleaner body. Can do. As a result, it is possible to suppress wind noise caused by the turbulence of the suction airflow, and to secure the intended suction performance.
  • the vacuum cleaner of the present invention can realize a reduction in noise during operation, it can be applied to the use of a vacuum cleaner that reduces noise while maintaining a high suction force.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Suction Cleaners (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention concerne un aspirateur électrique comprenant : un élément de support (13) couvrant la partie périphérique externe avant d'un dispositif électrique souffleur d'air (8) ; et une plaque annulaire régulant le débit (17a), dont une section inclinée (28) est pourvue d'une ouverture et s'étend en direction de l'ouverture d'aspiration de l'air (11) d'un boîtier de ventilateur (10). Ladite plaque régulant le débit (17a) comprend également une section de support (29) enserrée par l'élément de support (13). La plaque régulant le débit (17a) est conçue de sorte que, lorsqu'elle est enserrée par l'élément de support (13), la plaque régulant le débit (17a) est disposée de sorte à laisser un espace (30) entre la plaque régulant le débit (17a) et un guide pour l'aspiration de l'air (12), et forme une chambre d'amortissement du bruit (22) dans l'espace entre la section inclinée (28) et la section de support (29).
PCT/JP2012/007970 2012-02-24 2012-12-13 Aspirateur électrique WO2013124939A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201280070213.0A CN104159488B (zh) 2012-02-24 2012-12-13 电动吸尘器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012038444A JP5899399B2 (ja) 2012-02-24 2012-02-24 電気掃除機
JP2012-038444 2012-02-24

Publications (1)

Publication Number Publication Date
WO2013124939A1 true WO2013124939A1 (fr) 2013-08-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/007970 WO2013124939A1 (fr) 2012-02-24 2012-12-13 Aspirateur électrique

Country Status (3)

Country Link
JP (1) JP5899399B2 (fr)
CN (1) CN104159488B (fr)
WO (1) WO2013124939A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3132731A3 (fr) * 2015-08-18 2017-04-12 Lg Electronics Inc. Unité d'aspiration
WO2018219666A1 (fr) 2017-05-31 2018-12-06 Alfred Kärcher SE & Co. KG Appareil de nettoyage
US10473120B2 (en) 2017-03-09 2019-11-12 Denso International America, Inc. Blower assembly having resonators and resonator assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160079277A (ko) 2014-12-26 2016-07-06 삼성전자주식회사 진공 청소기 및 그 제어방법
CN108397273B (zh) * 2017-02-06 2022-04-29 福特环球技术公司 用于发动机冷却系统的冷却风扇

Citations (7)

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JPH0531050A (ja) * 1991-07-26 1993-02-09 Daewoo Electron Co Ltd 真空掃除機
JPH08219095A (ja) * 1995-02-17 1996-08-27 Hitachi Ltd 電気掃除機及びこれに内蔵される電動送風機
JPH0956644A (ja) * 1995-08-24 1997-03-04 Matsushita Electric Ind Co Ltd 電気掃除機
JP2003290089A (ja) * 2002-03-29 2003-10-14 Toshiba Tec Corp 電気掃除機
JP2010029259A (ja) * 2008-07-25 2010-02-12 Panasonic Corp 電気掃除機
JP2010029517A (ja) * 2008-07-30 2010-02-12 Panasonic Corp 電気掃除機
JP2011106408A (ja) * 2009-11-20 2011-06-02 Panasonic Corp 電動送風機及びそれを備えた電気掃除機

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US4280245A (en) * 1980-02-19 1981-07-28 Shop-Vac Corporation Sound dome for electric vacuum cleaner
US4640697A (en) * 1985-10-01 1987-02-03 Rexair, Inc. Vacuum cleaner construction
JP2004279779A (ja) * 2003-03-17 2004-10-07 Mitsubishi Electric Corp 騒音低減装置
CN1535643A (zh) * 2003-04-11 2004-10-13 乐金电子(天津)电器有限公司 真空吸尘器消音装置
CN100372489C (zh) * 2003-06-23 2008-03-05 乐金电子(天津)电器有限公司 真空吸尘器
CN201290640Y (zh) * 2008-10-24 2009-08-19 金莱克电气股份有限公司 吸尘器电机消音结构

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0531050A (ja) * 1991-07-26 1993-02-09 Daewoo Electron Co Ltd 真空掃除機
JPH08219095A (ja) * 1995-02-17 1996-08-27 Hitachi Ltd 電気掃除機及びこれに内蔵される電動送風機
JPH0956644A (ja) * 1995-08-24 1997-03-04 Matsushita Electric Ind Co Ltd 電気掃除機
JP2003290089A (ja) * 2002-03-29 2003-10-14 Toshiba Tec Corp 電気掃除機
JP2010029259A (ja) * 2008-07-25 2010-02-12 Panasonic Corp 電気掃除機
JP2010029517A (ja) * 2008-07-30 2010-02-12 Panasonic Corp 電気掃除機
JP2011106408A (ja) * 2009-11-20 2011-06-02 Panasonic Corp 電動送風機及びそれを備えた電気掃除機

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3132731A3 (fr) * 2015-08-18 2017-04-12 Lg Electronics Inc. Unité d'aspiration
US9818392B2 (en) 2015-08-18 2017-11-14 Lg Electronics Inc. Suction unit
US10473120B2 (en) 2017-03-09 2019-11-12 Denso International America, Inc. Blower assembly having resonators and resonator assembly
WO2018219666A1 (fr) 2017-05-31 2018-12-06 Alfred Kärcher SE & Co. KG Appareil de nettoyage
DE102017111910A1 (de) 2017-05-31 2018-12-06 Alfred Kärcher SE & Co. KG Reinigungsgerät

Also Published As

Publication number Publication date
JP5899399B2 (ja) 2016-04-06
CN104159488B (zh) 2016-08-24
CN104159488A (zh) 2014-11-19
JP2013172807A (ja) 2013-09-05

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