CN102987986B - Including acoustic filter and the vacuum cleaner of air diffuser - Google Patents
Including acoustic filter and the vacuum cleaner of air diffuser Download PDFInfo
- Publication number
- CN102987986B CN102987986B CN201210291702.0A CN201210291702A CN102987986B CN 102987986 B CN102987986 B CN 102987986B CN 201210291702 A CN201210291702 A CN 201210291702A CN 102987986 B CN102987986 B CN 102987986B
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- China
- Prior art keywords
- section
- vacuum cleaner
- restricted part
- lengthening
- cross
- 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.)
- Expired - Fee Related
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Electric Suction Cleaners (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
nullThe present invention relates to a kind of vacuum cleaner,This vacuum cleaner includes electrically ventilating machine,This electrically ventilating machine sucks air stream and towards at least one, it is discharged loop dispatch,This at least one discharge loop includes pipeline,This pipeline includes that the constant air stream that has forming acoustic filter passes through at least one lengthening restricted part (10a in cross section、10b),Follow that to lengthen after restricted part be porous air diffuser (30a、30b),This porous air diffuser (30a、30b) have more than lengthening restricted part (10a、The air stream by cross section 10b) passes through cross section,This vacuum cleaner is characterised by,Discharge loop and include adaption section (20a、20b),This adaption section (20a、20b) it is arranged in lengthening restricted part (10a、10b) with porous air diffuser (30a、Between 30b),And adaption section (20a、20b) include that the air stream dissipated passes through cross section.
Description
Technical field
The present invention relates generally to vacuum cleaner, be specifically related to the air discharge of vacuum cleaner.
Background technology
It is known to the air vent for the purpose of the dispatch noise to reduce equipment in the prior art, these
Air vent includes the restricted part that size is obviously reduced, in order to obtain soundproof effect.
Document US4651380 discloses a kind of vacuum cleaner, and this vacuum cleaner has the noise elimination of constant cross-section
Device, followed by is bubbler.The outlet jet of this vacuum cleaner is then to concentrate, and its
Speed characteristics and directional characteristic meeting or cause user to feel under the weather, because jet is with big speed
And concentrate with little area, or causing ground eddy current, these eddy current can make user want
The ground dust sucked disperses in atmosphere.
Document GB2117229 self proposes a kind of vacuum cleaner, and this vacuum cleaner includes that two air go out
Mouthful, these two air outlet slits are constituted for the purpose of reducing noise.A kind of constant rectangle cuts
The lengthening restricted part in face reduces noise, and has one before outside air outlet slit
Plant porous material, in order to hide interiors of products and do not produce noise.This porous material is placed on product
Before outside air outlet slit, in the side of the conduit forming restricted part.This solution
Major defect is that the outlet jet of product has a kind of air velocity, and this air velocity can make user
Feel under the weather or can make to be gathered in ground dust and fly upward in air, because under Chu Kou
Trip end a large amount of air-outs under the effect being arranged in the barrier at end of restricted part.It is true that
The upstream end thereof of air outlet slit is not passed by large quantity of air, through the air stream of air outlet slit towards downstream
End is concentrated around at barrier so that diffuser efficiency is limited.It addition, be parallel in restricted part
The size of the air outlet slit that air-flow is arranged makes this parts length, volume big, and damages the tight of vacuum cleaner
Gathering property.
Document WO2007045981 proposes a kind of vacuum cleaner, and the discharge tube of this vacuum cleaner is set
Count into the power for avoiding increasing motor.To this end, discharge loop includes limiting cervical region, follow closely
Thereafter be the part of exhalant, followed by filter, this filter forms air outlet slit.This
Plant air outlet slit and do not allow to reduce noise emission, and there is the portion that the dissipates cloth of the function producing laminar flow
Put and limiting between neck and outlet filter and requiring big length and big space are given to equipment
Interior exhaust system so that size and the volume of this exhaust system are big.
Summary of the invention
It is an object of the invention to overcome the shortcoming of the document of above-mentioned prior art, specifically, first
Thering is provided a kind of vacuum cleaner, this vacuum cleaner has little noise level and mild diffusion when it uses,
There is no discharging jet that is powerful and that concentrate with little area.
To this end, a first aspect of the present invention relates to a kind of vacuum cleaner, described vacuum cleaner includes electronic logical
Blower fan, described electrically ventilating machine sucks air stream and towards at least one, it is discharged loop dispatch, institute
State at least one discharge loop include pipeline, described pipeline have formed acoustic filter have constant
Air stream lengthens restricted part by least one of cross section, and followed by is porous air diffuser,
The air that described porous air diffuser has more than passing through cross section described in described lengthening restricted part circulates
Crossing cross section, described vacuum cleaner is characterised by, described discharge loop includes adaption section, described suitable
Join and be partially disposed between described lengthening restricted part and described porous air diffuser, and described adaptation
Part includes that the air stream dissipated passes through cross section.According to the present invention, have in restricted part and many
The vacuum cleaner dissipating adaption section between the bubbler of hole do not discharge user can be made to feel under the weather or
The air concentrating pattern that person can kick up a dust.It is true that the effect dissipated be reduce from
The speed of the air stream of acoustic filter (restricted part) and increase static pressure so that air stream
It is distributed in well on the whole cross section of porous air diffuser, and makes air stream with mild and diffusion
Mode is discharged effectively from bubbler.Here " porous " refers to allow to pass air through many
The little cavity of Porous materials or any material in little space.
Preferably, described lengthening restricted part has characteristic diameter, and described adaption section has restriction
The length of the distance between described lengthening restricted part and described porous air diffuser, and described adaptation
The described length of part is less than the described characteristic diameter of described lengthening restricted part.Lengthening limiting unit
Point conduit be have circular section cylindrical in the case of, characteristic diameter be lengthen restricted part
Diameter, and in the case of the cross section lengthening restricted part is not circle, characteristic diameter can lead to
Cross being determined quadruplication by cross section: Dc=4S/Pm divided by moistening (mouill é) girth.Formula
In, Dc is characteristic diameter, and S is by cross section, and Pm is wetted perimeter.This according to the present invention is real
Execute and provide the probability of compact increasing vacuum cleaner, have simultaneously a kind of good noise reduction and
There is no the discharging jet concentrated.
Preferably, the length of described adaption section is less than ten millimeters.The applicant is it has proven convenient that provide
This length of good compact allows to obtain air that is a kind of mild and that eliminate the noise and discharges.
Preferably, described vacuum cleaner includes housing, and the inside that described housing limits described vacuum cleaner is empty
Between, and described adaption section is the structural member of described housing.The use of this adaption section brings
The economy manufactured, because this adaption section has following functions concurrently: it will be for lengthening limiting unit
Divide and be connected with porous air diffuser, in order to reducing jet effect, it also serves as the housing of vacuum cleaner
Structural member.
Preferably, described porous air diffuser be roughly parallel to described lengthening restricted part by cross section
Pass through cross section.This enforcement provides good compactedness, and also allows for limiting noise level, because empty
Air-flow is without undergoing the such as unexpected direction change in elbow, and limits turbulent flow so that
Air stream in adaption section moves and does not produces additional noise.In other words, air stream has vertically
In restricted part by cross section and the flow direction by cross section of porous air diffuser, this avoids
Any turbulent flow generation.
Preferably, described porous air diffuser by cross section be described lengthening restricted part by cut
At least twice in face.The applicant is it is mentioned that this area ratio allows to significantly reduce from dust suction
The directionality of the air stream that device is discharged.
Preferably, described lengthening restricted part offsets relative to described porous air diffuser.Will not damage
By lengthening the noise reduction of restricted part generation, there will not be the reduction damaging jet effect, this enforcement is permitted
Permitted restricted part and the arranged offset of porous air diffuser, in order to the geometry in accordance with structure limits.
The existence of dispersion adaption section allows by making air stream gravity newly point to, and reduces its speed simultaneously and adjusts
With all these restrictions.
Preferably, described adaption section is with described lengthening restricted part and described porous air diffuser not
Same parts.Construction module is ensured by this enforcement.
Preferably, described porous air diffuser has a porosity, and described porosity is passed through face by air
The ratio of the long-pending gross area with material in flat cutting face limits, and described porosity is less than 60%.With this
The scope air-out of the value of porosity is mild, thus without producing a lot of loss in head.
Combine with the above-mentioned definition being supplied to porous air diffuser, it will be understood that referred to herein as air lead to
Cross that area refers to allow air through the cavity of porous air diffuser or space in the flat cutting face of material
Air pass through area.
Preferably, described porous air diffuser is a kind of mesh having dimensions less than or being equal to 1 millimeter
Braided material.This enforcement is economical and effective.
Accompanying drawing explanation
Following by shown in the drawings and with the also present invention that indefiniteness sample table shows reality by reading
Execute the detailed description of mode, understand other features and advantages of the present invention with will be apparent from, at accompanying drawing
In:
Fig. 1 illustrates the isometric chart of a part for the vacuum cleaner according to the present invention;
Fig. 2 illustrates the horizontal sectional drawing of the vacuum cleaner of Fig. 1;
Fig. 3 illustrates an alternative of the present invention.
Detailed description of the invention
Fig. 1 illustrates a part for vacuum cleaner.After air collector 40 is collected by being arranged in vacuum cleaner
Portion and the air discharged of not shown motor.Then, catcher 40 by air towards two discharges
Loop is distributed, and discharges loop for these two and each includes by disappearing that lengthening restricted part 10a and 10b are formed
Sound device.The effect of the lengthening restricted part of these constant cross-section is to reduce the air discharged by motor
The effect of noise that stream is sent.Then, two restricted parts 10a and 10b are the most respectively by two
Individual dispersion adaption section 20a and 20b are connected with porous air diffuser 30a and 30b, and these two dispersions are suitable
Join part 20a and 20b is the structural moiety of housing of vacuum cleaner.
Fig. 2 illustrates the horizontal sectional drawing of the vacuum cleaner of Fig. 1.Therefore, motor 50 by air towards receipts
Storage 40 is discharged, then, catcher 40 air-flow is separated and points to two restricted parts 10a and
10b.Restricted part 10a and 10b are each via adaption section 20a and 20b and porous air diffuser 30a
Connect with 30b.Because the air being less than each porous air diffuser by cross section of each restricted part
Stream is by cross section, and these adaption section dissipate strongly, so that each restricted part expands with porous
Dissipate device to connect.When dissipate move in adaption section time, each air stream is slowly, and quiet
State pressure increases so that air stream is discharged in the way of mild by porous air diffuser by diffusion, and not
The work using restricted part 10a and 10b to obtain can be damaged eliminate the noise.Discharge is not with powerful and fixed
To concentrate air-spray form carry out.But, adaption section is closely, and makes
Each restricted part last by the separate distance of cross section and the porous air diffuser being arranged in opposite
Characteristic diameter less than each restricted part.It addition, whole discharge loop is due in restricted part
The shortest by the opposing parallel layout between cross section by cross section and porous air diffuser.
Fig. 3 illustrates that the replacement of the present invention is implemented, and wherein, restricted part 10a and 10b are relative to porous
Bubbler 30a and 30b offsets.For the vacuum cleaner shown in Fig. 2, by motor 50
The air discharged points to two restricted parts 10a and 10b by catcher 40, but dissipates adaptation
Part 20a and 20b allow to make air stream gravity newly point to porous air diffuser 30a and 30b, although and partially
Move, also will not produce influence of noise.The dissipating of adaption section allow to make air stream redirect and not
Produce influence of noise, because the speed of air stream is automatically reduced.
It is appreciated that the various changes that will be apparent to persons skilled in the art and/or improvement can
To be given to this theory in the case of without departing from the scope of the present invention being defined by the following claims
The different embodiments of the present invention described in bright book.Specifically, with reference to each leading to porous expansion
Dissipate two restricted parts in device, it is also contemplated that apply the present invention to such a dust suction
Device, this vacuum cleaner includes single restricted part and single porous air diffuser.It is also conceivable to lengthen limit
System part is relative to the partial offset of porous air diffuser.If it is furthermore noted that porous air diffuser is total
Area is bigger, and the value of porosity can be less so that the average air speed of every mesh keeps substantially permanent
Fixed.Although it means that the gross area of porous air diffuser likely increases, air is by area also
It is to maintain constant.This permission keeps the certain of air velocity on the gross area of porous air diffuser
Uniformity.
Claims (10)
1. a vacuum cleaner, described vacuum cleaner includes electrically ventilating machine, and described electrically ventilating machine sucks
It is also discharged loop dispatch towards at least one by air stream, and at least one discharge loop described includes pipe
Road, what described pipeline included being formed acoustic filter has constant air stream by least one of cross section
Lengthening restricted part (10a, 10b), following after described lengthening restricted part is porous air diffuser
(30a, 30b), described porous air diffuser (30a, 30b) has more than described lengthening restricted part
The air stream by cross section of (10a, 10b) passes through cross section, it is characterised in that described discharge loop
Including adaption section (20a, 20b), described adaption section (20a, 20b) is arranged in described lengthening
Between restricted part (10a, 10b) and described porous air diffuser (30a, 30b) and described suitable
Join part (20a, 20b) and include that the air stream dissipated passes through cross section.
Vacuum cleaner the most according to claim 1, it is characterised in that described lengthening restricted part
There is characteristic diameter, described lengthening restricted part be have circular section cylindrical in the case of,
Described characteristic diameter is the diameter of described lengthening restricted part, and in described lengthening restricted part
In the case of cross section is not circle, described characteristic diameter is determined by below equation: Dc=4S/Pm,
Wherein, Dc is characteristic diameter, and S is by cross section, and Pm is wetted perimeter, described adaption section (20a,
20b) have restriction described lengthening restricted part (10a, 10b) and described porous air diffuser (30a,
The length of the distance between 30b), and the described length of described adaption section (20a, 20b) is little
Described characteristic diameter in described lengthening restricted part (10a, 10b).
Vacuum cleaner the most according to claim 2, it is characterised in that described adaption section (20a,
Described length 20b) is less than ten millimeters.
Vacuum cleaner the most according to any one of claim 1 to 3, described vacuum cleaner includes shell
Body, described housing limits the inner space of described vacuum cleaner, it is characterised in that described adaption section
(20a, 20b) is the structural member of described housing.
Vacuum cleaner the most according to any one of claim 1 to 3, it is characterised in that described
Porous air diffuser (30a, 30b) by cross section be roughly parallel to described lengthening restricted part (10a,
10b) pass through cross section.
Vacuum cleaner the most according to any one of claim 1 to 3, it is characterised in that described
Porous air diffuser (30a, 30b) is described lengthening restricted part (10a, 10b) by cross section
By at least twice in cross section.
Vacuum cleaner the most according to any one of claim 1 to 3, it is characterised in that described
Lengthen restricted part (10a, 10b) to offset relative to described porous air diffuser (30a, 30b).
Vacuum cleaner the most according to any one of claim 1 to 3, it is characterised in that described
Adaption section (20a, 20b) is to expand with described lengthening restricted part (10a, 10b) and described porous
Dissipate the parts that device (30a, 30b) is different.
Vacuum cleaner the most according to any one of claim 1 to 3, it is characterised in that described
Porous air diffuser (30a, 30b) has a porosity, and described porosity is passed through area and material by air
The ratio of the gross area in the flat cutting face of material limits, and described porosity is less than 60%.
Vacuum cleaner the most according to any one of claim 1 to 3, it is characterised in that described
Porous air diffuser (30a, 30b) is the braiding of a kind of mesh having dimensions less than or being equal to 1 millimeter
Material.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1158092A FR2979814B1 (en) | 2011-09-12 | 2011-09-12 | VACUUM COMPRISING A SILENCER AND AN AIR DIFFUSER |
FR1158092 | 2011-09-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102987986A CN102987986A (en) | 2013-03-27 |
CN102987986B true CN102987986B (en) | 2016-10-26 |
Family
ID=47070856
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210291702.0A Expired - Fee Related CN102987986B (en) | 2011-09-12 | 2012-08-16 | Including acoustic filter and the vacuum cleaner of air diffuser |
CN 201220407277 Withdrawn - After Issue CN202932852U (en) | 2011-09-12 | 2012-08-16 | Dust collector |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220407277 Withdrawn - After Issue CN202932852U (en) | 2011-09-12 | 2012-08-16 | Dust collector |
Country Status (3)
Country | Link |
---|---|
CN (2) | CN102987986B (en) |
DE (1) | DE202012008177U1 (en) |
FR (1) | FR2979814B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2979814B1 (en) * | 2011-09-12 | 2013-08-23 | Seb Sa | VACUUM COMPRISING A SILENCER AND AN AIR DIFFUSER |
DE112013007305A5 (en) | 2013-08-07 | 2016-06-02 | Trumpf Laser- Und Systemtechnik Gmbh | Method for processing a plate-like workpiece with a transparent, glassy, vitreous, ceramic and / or crystalline layer, separating device for such a workpiece and product from such a workpiece |
FR3094622B1 (en) * | 2019-04-05 | 2021-05-28 | Seb Sa | Portable vacuum cleaner equipped with a removable filter |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007045981A1 (en) * | 2005-10-21 | 2007-04-26 | Massimiliano Pineschi | Sucking device |
KR100721305B1 (en) * | 2005-11-28 | 2007-05-28 | 삼성광주전자 주식회사 | Fan assembly for vacuum cleaner |
CN201088542Y (en) * | 2007-06-27 | 2008-07-23 | 苏州金莱克家用电器有限公司 | Dust catcher with silencer and its silencer |
JP2010099156A (en) * | 2008-10-22 | 2010-05-06 | Sharp Corp | Vacuum cleaner |
CN201861554U (en) * | 2010-08-06 | 2011-06-15 | 上海电机学院 | Intelligent noise reduction dust collector with music play device |
CN202235157U (en) * | 2011-09-14 | 2012-05-30 | 江苏美的春花电器股份有限公司 | Dust collector |
CN102525334A (en) * | 2010-12-16 | 2012-07-04 | 乐金电子(天津)电器有限公司 | Diverting and bypassing denoising structure of dust collector motor shell |
CN202932852U (en) * | 2011-09-12 | 2013-05-15 | Seb公司 | Dust collector |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4418443A (en) * | 1981-12-07 | 1983-12-06 | Breuer Electric Mfg. Co. | Noise suppressor for vacuum sweepers and the like |
US4651380A (en) | 1985-03-01 | 1987-03-24 | Rug Doctor, Inc. | Portable vacuum cleaning machine |
JP2002315697A (en) * | 2001-04-19 | 2002-10-29 | Matsushita Electric Ind Co Ltd | Vacuum cleaner |
SE0202109D0 (en) * | 2002-07-04 | 2002-07-04 | Electrolux Ab | Noise-canceling device for vacuum cleaners |
KR101353311B1 (en) * | 2005-12-27 | 2014-01-24 | 삼성전자주식회사 | Vacuum Cleaner |
FR2902632B1 (en) * | 2006-06-27 | 2012-06-08 | Seb Sa | VACUUM |
-
2011
- 2011-09-12 FR FR1158092A patent/FR2979814B1/en active Active
-
2012
- 2012-08-16 CN CN201210291702.0A patent/CN102987986B/en not_active Expired - Fee Related
- 2012-08-16 CN CN 201220407277 patent/CN202932852U/en not_active Withdrawn - After Issue
- 2012-08-24 DE DE201220008177 patent/DE202012008177U1/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007045981A1 (en) * | 2005-10-21 | 2007-04-26 | Massimiliano Pineschi | Sucking device |
KR100721305B1 (en) * | 2005-11-28 | 2007-05-28 | 삼성광주전자 주식회사 | Fan assembly for vacuum cleaner |
CN201088542Y (en) * | 2007-06-27 | 2008-07-23 | 苏州金莱克家用电器有限公司 | Dust catcher with silencer and its silencer |
JP2010099156A (en) * | 2008-10-22 | 2010-05-06 | Sharp Corp | Vacuum cleaner |
CN201861554U (en) * | 2010-08-06 | 2011-06-15 | 上海电机学院 | Intelligent noise reduction dust collector with music play device |
CN102525334A (en) * | 2010-12-16 | 2012-07-04 | 乐金电子(天津)电器有限公司 | Diverting and bypassing denoising structure of dust collector motor shell |
CN202932852U (en) * | 2011-09-12 | 2013-05-15 | Seb公司 | Dust collector |
CN202235157U (en) * | 2011-09-14 | 2012-05-30 | 江苏美的春花电器股份有限公司 | Dust collector |
Also Published As
Publication number | Publication date |
---|---|
CN202932852U (en) | 2013-05-15 |
DE202012008177U1 (en) | 2012-09-26 |
FR2979814B1 (en) | 2013-08-23 |
FR2979814A1 (en) | 2013-03-15 |
CN102987986A (en) | 2013-03-27 |
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