CN1866683A - Motor assembly and vacuum cleaner having the same - Google Patents

Motor assembly and vacuum cleaner having the same Download PDF

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Publication number
CN1866683A
CN1866683A CNA200610080158XA CN200610080158A CN1866683A CN 1866683 A CN1866683 A CN 1866683A CN A200610080158X A CNA200610080158X A CN A200610080158XA CN 200610080158 A CN200610080158 A CN 200610080158A CN 1866683 A CN1866683 A CN 1866683A
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CN
China
Prior art keywords
motor
air
motor casing
casing
hole
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CNA200610080158XA
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Chinese (zh)
Inventor
李成哲
宋化圭
吴炫峻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Gwangju Electronics Co Ltd
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 Samsung Gwangju Electronics Co Ltd filed Critical Samsung Gwangju Electronics Co Ltd
Publication of CN1866683A publication Critical patent/CN1866683A/en
Pending legal-status Critical Current

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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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
    • 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
    • A47L9/22—Mountings for motor fan assemblies
    • 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

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

Abstract

A motor assembly includes: a motor including at least a motor body and a motor blade portion ; at least one inner motor casing configured to enclose at least a part of the motor; and at least one outer motor casing configured to enclose at least a part of the at least one inner motor casing , wherein air in the motor is caused to change direction when passing along at least one of the at least one inner motor casing and the at least one outer motor casing .

Description

Electric machine assembly and have the vacuum cleaner of this electric machine assembly
The application requires in the interests of the priority of the 2005-40203 korean patent application of submission on May 13rd, 2005, and the full content of this application is contained in this by reference.The application also relate to 24 days Mays in 2004 of common transfer and submit to the 10/851st, the 11/206th of No. 243 U.S. Patent applications and submission on August 19th, 2005, No. 905 U.S. Patent applications also relate to the 116511-00202 agent case (attorney docket) of title for " MOTORASSEMBLY AND VACUUM CLEANER HAVING THE SAME ".The content of each of described three applications is contained in this.
Technical field
The present invention relates to a kind of vacuum cleaner, more particularly, relate to a kind of vacuum cleaner that is configured to the electric machine assembly of the noise that reduces to produce in the motor and has this electric machine assembly.
Background technology
The suction that vacuum cleaner utilizes motor to produce sucks dust and it is collected in the dust collection chamber.Vacuum cleaner adopts the high output motor of the RPM with high numerical value.Yet, when driving so high output motor, cause much noise.
The 1997-32650 Korean Patent has openly been described a kind of motor casing that comprises noise absorption component and noise barrier structure.The noise barrier structure surrounds the noise absorption component, and has and be formed on its lip-deep dispersion through hole.The H01-268524 Japan Patent has openly been described a kind of motor casing, described motor casing comprise first through hole that is formed on its side surface, be formed on lip-deep thereafter second through hole and be located at first through hole and second through hole on the noise absorption component.
Yet, because the 1997-32650 Korean Patent that discloses is open and the H01-268524 Japan Patent openly needs other noise absorption component reducing noise, thus its complex structure, and the manufacturing cost height.
In addition, (blade passingfrequency, BPF) with the overall noise grade, they can not reduce low-frequency band noise effectively though disclosed content all can reduce blade passing frequency.
Summary of the invention
In order to solve the aforementioned problems in the prior proposition the present invention, an aspect of of the present present invention is to provide a kind of vacuum cleaner that has the electric machine assembly of simple structure and have this electric machine assembly.
For this reason, the invention provides a kind of electric machine assembly, described electric machine assembly comprises: motor comprises motor fuselage and motor blade portion at least; Motor casing at least one is configured to surround at least a portion of described motor; At least one outer motor casing is configured to surround described at least a portion of motor casing at least one, wherein, and when the air in the described motor is caused the direction change at least one during at least one in motor casing and described at least one outer motor casing by described.
Another aspect of the present invention provides a kind of vacuum cleaner, and described vacuum cleaner comprises: vacuum cleaner body comprises dust collection chamber and motor room at least; Brush assemblies is configured to be connected to described dust collection chamber; Motor is located in the described motor room, and comprises motor fuselage and motor blade portion at least; Motor casing at least one is configured to surround at least a portion of described motor; At least one outer motor casing is configured to surround described at least a portion of motor casing at least one, wherein, and when the air in the described motor is caused the direction change at least one during at least one in motor casing and described at least one outer motor casing by described.
Another aspect of the present invention provides a kind of electric machine assembly, and described electric machine assembly comprises: motor; Motor casing at least one is configured to surround at least a portion of described motor; At least one outer motor casing is configured to surround described at least a portion of motor casing at least one; Be used to change the device of the direction of air flows, at described motor casing and described outside at least one between the motor casing at least one.
Description of drawings
From the description of embodiment being carried out below in conjunction with accompanying drawing, these and other aspect of the present invention will become clear and be easier to and understand, wherein:
Fig. 1 is the schematically illustrated view that wherein can install according to the vacuum cleaner body of the electric machine assembly of non-limiting example of the present invention;
Thereby Fig. 2 is the view that the electric machine assembly of Fig. 1 of motor casing in only the illustrating that the outline line of outer motor casing is illustrated by the broken lines is shown;
Fig. 3 is the decomposition diagram that the electric machine assembly of Fig. 2 is shown;
Fig. 4 illustrates the curve chart that reduces effect according to the noise by the electric machine assembly realization of non-limiting example of the present invention.
Embodiment
Now, with the electric machine assembly and vacuum cleaner that describe with reference to the accompanying drawings hereinafter according to non-limiting example of the present invention with this electric machine assembly.For the purpose of reference, the arrow indication air-flow direction in the accompanying drawing.
Fig. 1 illustrates the view of wherein having installed according to the vacuum cleaner body of the electric machine assembly of non-limiting example of the present invention.With reference to Fig. 1, vacuum cleaner body 10 can comprise S1 of dust collection chamber and the S2 of motor room.
The S1 of dust collection chamber can be the space of separating by separator 10a and the S2 of motor room, and it can be formed on the front portion of vacuum cleaner body 10.The S1 of dust collection chamber can have the dust-collector that is used to separate and collect dust.In this embodiment, dust bag 11 can be configured to dust-collector.Single Cyclonic dust-collecting appratus or multi cyclone dust-collecting apparatus (can reuse) can replace dust bag 11 to be located among the S1 of dust collection chamber.
Suction pipe 12 can be located at the top of the S1 of dust collection chamber, and its outside that can be projected into vacuum cleaner body 10 is projected into the inside of vacuum cleaner body 10 again.Dust can be inhaled into by suction pipe 12.Suction pipe 12 can be connected to the flexible hose 14 of vacuum cleaner body 10 outsides, and is connected to the dust bag 11 of vacuum cleaner body 10 inside.Flexible hose 14 can be connected to the brush assemblies (not shown) by the extension (not shown).Can suck dust from the surface that is cleaned by brush assemblies.
According to above-mentioned structure, the dust that sucks by brush assemblies (not shown), extension (not shown), flexible hose 14 and suction pipe 12 can be collected in the dust bag 11, and air can be discharged from dust bag 11 according to the direction of arrow, and can flow into the S2 of motor room by filter 40.
The S2 of motor room can comprise the space of separating by cut piece 10a and the S1 of dust collection chamber, and can be formed on the rear portion of vacuum cleaner body 10.The S2 of motor room can comprise first S21 of motor room and second S22 of motor room.
First S21 of motor room can be surrounded by upper wall 10b and sidewall 10c, and can be positioned at the front of second S22 of motor room.Electric machine assembly 19 can be located among first S21 of motor room.Motor 20 can use the high output motor of the revolutions per minute (RPM) that can produce high numerical value.When driving high output motor, it can produce much noise.In order to reduce noise, can in first S21 of motor room, electric machine assembly 19 be set.Second S22 of motor room can be formed on the rear portion of the S2 of motor room by sidewall 10c.
Delivery pipe 16 can be located at the upper back of the S2 of motor room, is used for exhausting air to the outside by it.Exhaust filtering spare 30 can be located in the outlet of delivery pipe 16, is used for filtering being contained in dust in air.
With reference to Fig. 2 and Fig. 3, can comprise motor 20 according to the electric machine assembly 19 of the embodiment of the invention, described motor 20 can comprise motor fuselage 20a and motor blade portion 20b.Motor casing 100 also can be set to surround motor 20, motor casing 110 and outer motor casing 120 in described motor casing 100 can comprise.The structure of motor 20 can with the similar of motor known to those skilled in the art.
Interior motor casing 110 can surround motor fuselage 20a, and it can be spaced a predetermined distance from motor fuselage 20a, thereby the first air duct P1 (see figure 1) can be formed between motor 20 and the interior motor casing 110.A plurality of first air can form along the circumference of interior motor casing 110 by hole 110a.Interior motor casing 110 can comprise first fixed projection 111 that is formed on its circular edge, and can comprise that screw passes its first fixing hole 110b.Outer motor casing 120 can comprise can be disconnected from each other fore shell 121 and back cover 122.
Fore shell 121 can surround motor blade portion 20b, described fore shell 121 can have be formed on its circular edge to be connected to the second fixed projection 121b on the back cover 122.Fixed projection 121b can comprise the second fixing hole 121bb corresponding with the first fixing hole 110b of first fixed projection 111.
Back cover 122 can surround interior motor casing 110, and described back cover 122 can be spaced a predetermined distance from interior motor casing 110, thus the second air duct P2 (see figure 1) can be formed between motor casing 110 and the back cover 122.Back cover 122 can have along a plurality of second air hole 122a that radially are formed on its surface (for example, rear surface).Can save second air from the middle part of back cover 122 and pass through the hole.Certainly, second air also may extend into the middle part of back cover 122 by the arrangement of hole 122a.
Back cover 122 can have the 3rd fixed projection 122b to be connected with fore shell 121 that is formed on its circular edge.The 3rd fixed projection 122b can comprise and first fixing hole 110b of first fixed projection 111 and the 3rd corresponding fixing hole 122bb of the second fixing hole 121bb of the second fixed projection 121b.
Though motor casing 110 only can surround motor fuselage 20a in this non-limiting example, it also can be designed to surround motor blade portion 20b and motor fuselage 20a.In addition, outer motor casing 120 can be designed to surround whole motor 20 or be designed to only surround motor fuselage 20a.In addition, air duct may change.For example, motor casing was to reduce noise in two or more outer motor casings 120 can surround.
With reference to Fig. 1, when air when motor 20 is discharged, it can be by the first air duct P1 deflection, can be by first air by hole 110a, can be by the second air duct P2 deflection once more, then, can be by second air by hole 122a.At this moment, when air when the first air duct P1 flows to the second air duct P2, it can change direction.For example, when air when the first air duct P1 flows to the second air duct P2, its direction can change 90 ° to 180 ° substantially.
When air during by the first air duct P1 deflection, by hole 110a, by the second air duct P2 deflection once more, then, by hole 122a, its flow rate changes by second air by first air for it.In addition, when along with air flows to the second air duct P2 and when changing direction, noise has reduced from the first air duct P1.
Fig. 4 illustrates the curve chart that the noise of being realized by electric machine assembly reduces effect.With reference to Fig. 4, if be provided with electric machine assembly 19, then the noise of Ce Lianging is 73.5dBA, and if electric machine assembly 19 is not set, then the noise of Ce Lianging is 78.7dBA.That is to say that noise has reduced 5.2dBA.The decrease major part of noise is in low-frequency band (in 0～2000Hz) scope.
Hereinafter, will the operation of the vacuum cleaner that adopts electric machine assembly 19 be described.With reference to Fig. 1, when drive motors 20, produce suction, dust is sucked by brush assemblies (not shown), extension (not shown), flexible hose 14 and suction pipe 12 by suction, and is collected in the dust bag 11.
The air of cleaning is discharged from dust bag 11, and flows into the motor 20 that is located among first S21 of motor room after by filter 40.When air when motor 20 is discharged, its by the first air duct P1 deflection 90 °.Then, air by hole 110a, by the second air duct P2 deflection once more, then passes through hole 122a by second air by first air.Afterwards, air can pass through second S22 of motor room, delivery pipe 16 and emissions filter 30 from vacuum cleaner body 10 discharges.
According to aforesaid the present invention, electric machine assembly 19 has following advantage with the vacuum cleaner with this electric machine assembly 19.
First, since electric machine assembly 19 can comprise have first air by hole 110a interior motor casing 110 and have the outer motor casing 120 of second air by hole 122a, and it does not need other noise absorption component, and electric machine assembly 19 has simple structure, and its manufacturing cost reduces.
The second, by the first air duct P1 deflection, by hole 110a, by the second venting channels P2 deflection once more, when passing through hole 122a by second air then, its flow rate changes by first air at air.In addition, because air is when the first air duct P1 moves to the second air duct P2, its direction has changed, so noise has reduced.Particularly reduced low-frequency band noise effectively.Therefore, the user can carry out little noise cleaning.
The foregoing description and advantage only are exemplary, should not be construed as limiting the invention.This instruction can easily be applied to the equipment of other type.In addition, the description of embodiments of the invention is exemplary, does not limit the scope of the claims.Those skilled in the art should be understood that various changes, modifications and variations.

Claims (12)

1, a kind of electric machine assembly comprises:
Motor comprises motor fuselage and motor blade portion at least;
Motor casing at least one is configured to surround at least a portion of described motor;
At least one outer motor casing is configured to surround described at least a portion of motor casing at least one,
Wherein, when the air in the described motor by described motor casing and describedly be caused direction during at least one in the motor casing outside at least one and change at least one.
2, electric machine assembly as claimed in claim 1, wherein, when air from be formed on described motor and described at least one first air duct between the motor casing flow into and be formed on described 90 ° to 180 ° of its direction changes that cause during second air duct between motor casing and described at least one outer motor casing at least one.
3, electric machine assembly as claimed in claim 1, wherein, described at least one interior motor casing is configured to surround the described motor fuselage of described motor, and described at least one dispatch from foreign news agency casing structure becomes to surround described motor fuselage and described motor blade portion.
4, electric machine assembly as claimed in claim 3, wherein, each of described at least one interior motor casing and described at least one outer motor casing all comprises a plurality of air by the hole, described a plurality of air are used to allow the air from described motor is discharged to pass through from it by the hole.
5, electric machine assembly as claimed in claim 4, wherein, described a plurality of air by the hole comprise be formed on described at least one at least one first air on the circumference of motor casing pass through the hole by hole and at least one second air of being formed on described at least one outer motor casing.
6, electric machine assembly as claimed in claim 5, wherein, described at least one second air is formed on the rear portion of described at least one outer motor casing by the hole.
7, electric machine assembly as claimed in claim 6, wherein, described at least one first air forms around described circumference by the hole.
8, electric machine assembly as claimed in claim 5, wherein, described at least one first air forms around described circumference by the hole.
9, a kind of vacuum cleaner comprises:
Vacuum cleaner body comprises dust collection chamber and motor room at least;
Brush assemblies is configured to be connected to described dust collection chamber;
Motor is located in the described motor room, and comprises motor fuselage and motor blade portion at least;
Motor casing at least one is configured to surround at least a portion of described motor;
At least one outer motor casing is configured to surround described at least a portion of motor casing at least one,
Wherein, when the air in the described motor by described motor casing and describedly cause that its direction changes during at least one in the motor casing outside at least one at least one.
10, vacuum cleaner as claimed in claim 9, wherein, each of described at least one interior motor casing and described at least one outer motor casing all comprises at least one air by the hole, and described at least one air is used to allow the air from described motor is discharged to pass through from it by the hole.
11, vacuum cleaner as claimed in claim 10, wherein, described at least one air is formed on the rear portion of described at least one outer motor casing by the hole.
12, vacuum cleaner as claimed in claim 10, wherein, described at least one dispatch from foreign news agency casing structure becomes integrally to surround described at least one interior motor casing.
CNA200610080158XA 2005-05-13 2006-05-09 Motor assembly and vacuum cleaner having the same Pending CN1866683A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050040203A KR20060117711A (en) 2005-05-13 2005-05-13 A motor assembly and a vacuum cleaner having the same
KR1020050040203 2005-05-13

Publications (1)

Publication Number Publication Date
CN1866683A true CN1866683A (en) 2006-11-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNA200610080158XA Pending CN1866683A (en) 2005-05-13 2006-05-09 Motor assembly and vacuum cleaner having the same

Country Status (6)

Country Link
US (1) US20060257269A1 (en)
EP (1) EP1721557A1 (en)
KR (1) KR20060117711A (en)
CN (1) CN1866683A (en)
AU (1) AU2006201908B2 (en)
RU (1) RU2006117229A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105342525A (en) * 2015-03-02 2016-02-24 于长海 Small household dust collector

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1952742A3 (en) * 2007-02-05 2009-12-23 Samsung Gwangju Electronics Co., Ltd. Motor assembly and vacuum cleaner having the same
JP5216688B2 (en) * 2009-05-29 2013-06-19 株式会社東芝 Electric vacuum cleaner
CN102599851B (en) * 2011-01-21 2017-01-25 南京乐金熊猫电器有限公司 Motor box structure for lowering noise of motor
EP2870905B1 (en) * 2013-11-11 2019-01-02 NELA razvojni center d.o.o. Podruznica OTOKI Vacuum cleaner noise and vibration reduction system
KR102450240B1 (en) * 2016-02-19 2022-10-05 삼성전자주식회사 Robot cleaner
US11478116B2 (en) 2018-01-15 2022-10-25 Omachron Intellectual Property Inc Surface cleaning apparatus

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
JPH01268524A (en) * 1988-04-20 1989-10-26 Sanyo Electric Co Ltd Vacuum cleaner
JPH0716176A (en) * 1993-06-30 1995-01-20 Hitachi Ltd Vacuum cleaner
KR970009718A (en) * 1995-08-31 1997-03-27 배순훈 Sound absorption room which lengthened exhaust channel of vacuum cleaner
KR100190684B1 (en) * 1996-05-17 1999-06-01 전주범 Muffler chamber system of vacuum cleaner
EP0910980B1 (en) * 1997-10-27 2003-08-06 Daewoo Electronics Corporation Low noise vacuum cleaner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105342525A (en) * 2015-03-02 2016-02-24 于长海 Small household dust collector

Also Published As

Publication number Publication date
US20060257269A1 (en) 2006-11-16
KR20060117711A (en) 2006-11-17
AU2006201908A1 (en) 2006-11-30
EP1721557A1 (en) 2006-11-15
AU2006201908B2 (en) 2008-01-03
RU2006117229A (en) 2007-12-10

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