CN1233717A - Cross flow blower for air conditioner - Google Patents
Cross flow blower for air conditioner Download PDFInfo
- Publication number
- CN1233717A CN1233717A CN99102184A CN99102184A CN1233717A CN 1233717 A CN1233717 A CN 1233717A CN 99102184 A CN99102184 A CN 99102184A CN 99102184 A CN99102184 A CN 99102184A CN 1233717 A CN1233717 A CN 1233717A
- Authority
- CN
- China
- Prior art keywords
- cross flow
- flow blower
- rib
- stabilizer
- face
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention provides a transverse fan air blower for an air conditioner which can facilitate the manufacture of stabilizers and can obtain a reliable noise attenuating effect. This transverse fan air blower includes a transverse fan which is comprised of a large number of unit fans arranged in a row, a motor which affords a driving force of the transverse fan, a rear guide which provides a passage of air blown off by the transverse fan, and a stabilizer which is disposed in front of the transverse fan and is provided with a semicircular facing portion defining a proper gap with the outer peripheral surface of the transverse fan and stabilizes a vortex generated at the time of rotating the transverse fan.
Description
The present invention relates to a kind of cross flow blower that is used for air conditioner.
Usually, be used for the cross flow blower of air conditioner, when cross flow blower rotates, producing eddy current.Therefore, in the side generation backflow of cross flow blower, and the quality of deterioration cross flow blower.
Therefore, a scroll and a stabilizer in cross flow blower, have been adopted, with stabilizing vortex and thereby prevent quality deterioration.
Yet traditional stabilizer has consistent shape along its length direction, thereby produces eddy current along the direction of cross flow blower axle simultaneously at identical position.Therefore, the flabellum that is created between cross flow blower and the stabilizer increases by frequency noise, thereby the noise of cross flow blower is bigger.
The open text No.63-14020 of Japan Patent discloses a kind of cross flow blower that is used for air conditioner, and it has overcome this kind shortcoming of conventional cross airflow fan.
According to the open text No.63-14020 (see figure 1) of Japan Patent, stabilizer 5 is formed with a rib 5a, the spaced apart intended distance of the outer circumferential face of rib 5a and cross flow blower 2, and have length direction along cross flow blower 2 with each curved surface of irregular mode continually varying.The result is that when the rotation owing to cross flow blower 2 produced eddy current, eddy current produced the position and spread out.Therefore, flabellum is reduced by frequency noise.
Yet this traditional cross flow blower has following shortcoming.Each curved surface of rib 5a in irregular shape must keep identical intended distance with the outer circumferential face of cross flow blower 2, makes that the stabilizer production process is complicated.In addition, because traditional cross flow blower has irregular each curved surface on rib 5a, therefore, can not obtain the accurate assessment of stabilizer noise reduction, and can't guarantee the effect of stabilizer.
Proposition of the present invention is intended to overcome the problems referred to above of the prior art, therefore, the object of the present invention is to provide a kind of follow-on air conditioner crosscurrent blower, and its production process is simple, and produces and to expect noise reduction accurately.
Above-mentioned purpose realizes that by crosscurrent blower of the present invention it comprises a cross flow blower, a motor, a back guide and a stabilizer.
Cross flow blower comprises the fan unit of a plurality of axial settings along cross flow blower.A plurality of flabellums are around the outer circumferential face setting of each fan unit, and intended distance is spaced apart from each other.
Motor provides driving force for cross flow blower, and back guide is arranged on the rear portion of cross flow blower, to form the current path of the air that is blown by cross flow blower.
Stabilizer is installed in the front portion of cross flow blower, with the stable eddy current that is produced that rotated by cross flow blower.Stabilizer has an end face spare, and its sectional shape is roughly semicircle, and with the spaced apart intended distance of the outer circumferential face of cross flow blower.End face spare is provided with a rib with a plurality of summits (peak).Each summit of rib keeps identical intended distance with the outer circumferential face of cross flow blower.The position on each summit is with rule format axially changing continuously along cross flow blower.Because the existence of rib, when the rotation owing to cross flow blower produced noise between cross flow blower and stabilizer, noise produced the axial distribution of position along cross flow blower.Therefore, the noise of crosscurrent blower significantly reduces.
Here, be used to scatter the rib that noise produces the position and can be shaped as a lineal shape formula or a wave form.When rib linearly during form, rib has an inclined-plane.
When rib form in wave shape, can on end face spare, form a complete cycle of waveform.In addition, a complete cycle of the waveform that forms on end face spare can be corresponding to one of cross flow blower fan unit, or corresponding to the more than one fan unit of cross flow blower.
The present invention is described in conjunction with the drawings, and above-mentioned purpose and advantage will be more obvious, wherein
Fig. 1 is the perspective view of conventional cross air-flow blower;
Fig. 2 is the perspective view of crosscurrent blower according to the preferred embodiment of the invention;
Fig. 3 is the perspective view as the stabilizer of the main aspect of the present invention;
Fig. 4 A and 4B scatter being used to of being shown specifically in the presentation graphs 3 reference picture of rib that each noise produces the stabilizer at position;
Fig. 5 A-5C is that explanation is used to scatter the view on each summit that each noise produces the rib at position, the position difference on each summit;
Fig. 5 D is the superimposed each other view of presentation graphs 5A-5C; And
Fig. 6 is the plotted curve that the noise reduction of the stabilizer of comparing the preferred embodiment of the present invention with traditional stabilizer is described.
Fig. 2 represents the overall structure of crosscurrent blower (cross flow blower) according to the preferred embodiment of the invention, Fig. 3 represents the stabilizer as the main aspect of the present invention, and Fig. 4 A and 4B scatter being used to of being shown specifically in the presentation graphs 3 reference picture of rib that each noise produces the stabilizer at position.
In these figure, 10 expression cross flow blowers (cross flow fan), the 20th, back guide, and 30 are stabilizers.
One motor (not shown) is connected in the rotating shaft 10a of cross flow blower 10, thereby cross flow blower 10 is rotated by motor.
In addition, back guide 20 is arranged on the rear portion of cross flow blower 10, to form the current path of the air that is blown by the rotation of cross flow blower 10.When back guide 20 was used in the indoor unit of room air conditioner, back guide 20 was usually as the back covers of indoor unit.
Simultaneously, the lower and stabilizer 30 that be arranged on cross flow blower 10 front portions in position has an end face spare 31, and the sectional shape of end face spare 31 is roughly semicircle.End face spare 31 keeps an intended distance with the outer circumferential face of cross flow blower 10.
Simultaneously, shown in Fig. 5 A, 5B and 5C, end face spare 31 is provided with a rib 31a with a plurality of summits.Here, each summit of rib 31a keeps identical intended distance with the outer circumferential face of cross flow blower 10.The position on each summit is axially changing along cross flow blower continuously regularly.When cross flow blower 10 rotation, and the isolated rib 31a of the outer circumferential face of cross flow blower 10 axially scatters each noise generation position between cross flow blower 10 and the stabilizer 30 with predetermined interval along the axle 10a of cross flow blower 10.
Specifically, shown in Fig. 5 A to 5C, each summit that is formed on the rib 31a on the stabilizer 30 end face spares 31 axially has different positions imaginary outer circumferential face 32 upper edge cross flow blowers 10 of cross flow blower 10.Consequently, the flabellum that rotation produced owing to cross flow blower 10 is scattered by the diverse location of frequency noise (Blade Passing Frequency Noise) according to each summit of rib 31a.Therefore, the noise of cross flow blower significantly reduces.In order better to understand each summit of rib 31a diverse location vertically, Fig. 5 D shows Fig. 5 A to 5C situation stacked on top of each other.
Here, rib 31a can form a waveform continuously, and its cycle equals the length of a fan unit 11, shown in example of the present invention.In addition, though do not illustrate, rib 31a can form one-period and equal at least two fan unit 11 length, perhaps equals the waveform of cross flow blower 10 all fan unit 11 length in addition.
The ripple of rib 31a preferably originates in the top or the bottom of end face spare 31, though the initial position of ripple does not influence effect of the present invention.In addition, when equaled the length of one or two fan unit 11 wave period of rib 31a, the ripple of rib 31a was formed on the whole end face spare 31 continuously.
Simultaneously, though do not illustrate, rib 31a is shape linearly.In this case, rib 31a is up or down the form that tilts and expands to opposite side from a side of end face spare 31.Specifically, rib 31a can be shaped as a lineal shape, has the inclined-plane corresponding to the up/down of a fan unit 11 or at least two fan unit 11.
To have have regular changes shape be used to scatter the noise reduction of stabilizer 30 that noise produces the rib 31a at position and test, Fig. 6 shows the test result that some stabilizers 30 of the present invention are compared with traditional stabilizer 30.
According to plotted curve shown in Figure 6, the traditional stabilizer 30 (line 5.) that has consistent shape with its rib 31a is compared, and stabilizer 30 (line 2.) the reduction noise that the cycle of its rib 31a equals fan unit 11 length reaches 10dB.
In addition, according to test result, its rib 31a forms the rectilinear stabilizer 30 of up/down (line is 3.), with and cycle of wave-shaped ribs 31a stabilizers 30 (line 4.) of equaling two fan unit 11 length also reached gratifying noise reduction respectively.Situation when simultaneously, 1. line represents that the cycle of stabilizer 30 rib 31a equals four fans unit 11 length or stabilizer 30 rib 31a and has up/down linearity configuration (1inear shape) corresponding to four fan unit 11.In this case, noise reduces less.
According to test result, the rib 31a of the stabilizer 30 of the preferred embodiment of the present invention preferably has period of wave or the up/down linear slope (1inear slope) corresponding to a fan unit 11.
As mentioned above, according to the present invention, noise is scattered during owing to generation noise between cross flow blower 10 and stabilizer 30, and the noise of cross flow blower significantly reduces.In addition, because the end face spare 31 of stabilizer 30 of the present invention has regular shape, production process is easy.
Though the present invention has been carried out special diagram and explanation with reference to its preferred embodiment, it will be appreciated by those skilled in the art that under the situation that does not deviate from spirit and scope of the invention, can carry out the various variations of form and details aspect.
Claims (5)
1. crosscurrent blower comprises:
One has the cross flow blower of the fan unit of a plurality of serial connections settings;
One is used for providing to cross flow blower the motor of driving force;
One is used to form the back guide of the current path of the air that is blown by described cross flow blower;
One is arranged on the stabilizer of cross flow blower front, stabilizer have one with the be separated by end face spare of cross section semicircular in shape of intended distance of the outer circumferential face of cross flow blower, stabilizer is used for stable because the eddy current that the rotation of cross flow blower produces;
Wherein, end face spare is formed with a rib and produces the position to scatter noise when cross flow blower rotates, each summit of its center rib and the outer circumferential face of cross flow blower keep an intended distance, and its position is along with rib changes along extending axially with a continuous and regular pattern of cross flow blower rotating shaft.
2. cross flow blower as claimed in claim 1, wherein, rib has the wave period corresponding to a fan element length, and repeats and be formed on the whole end face spare continuously.
3. cross flow blower as claimed in claim 1, wherein, rib has the wave period corresponding to two fan element lengths, and repeats and be formed on the whole end face spare continuously.
4. cross flow blower as claimed in claim 1, wherein, rib is the lineal shape of linear slope that has corresponding to the up/down of a fan unit, and repeats and be formed on the whole end face spare continuously.
5. cross flow blower as claimed in claim 1, wherein, rib is the lineal shape of linear slope that has corresponding to the up/down of two fan unit, and repeats and be formed on the whole end face spare continuously.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR14633/98 | 1998-04-24 | ||
| KR1019980014633A KR19990080984A (en) | 1998-04-24 | 1998-04-24 | Crossflow fan blower with improved stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1233717A true CN1233717A (en) | 1999-11-03 |
Family
ID=19536649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99102184A Pending CN1233717A (en) | 1998-04-24 | 1999-02-10 | Cross flow blower for air conditioner |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH11304178A (en) |
| KR (1) | KR19990080984A (en) |
| CN (1) | CN1233717A (en) |
| ES (1) | ES2150396B1 (en) |
| IT (1) | IT1308808B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104662371A (en) * | 2012-09-28 | 2015-05-27 | 大金工业株式会社 | Air conditioner |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3593106B2 (en) * | 2001-03-26 | 2004-11-24 | 三菱重工業株式会社 | Indoor units and air conditioners |
| KR100830453B1 (en) * | 2002-01-24 | 2008-05-20 | 엘지전자 주식회사 | crossflow fan |
| KR100830454B1 (en) * | 2002-01-24 | 2008-05-20 | 엘지전자 주식회사 | crossflow fan |
| KR100474332B1 (en) * | 2002-05-27 | 2005-03-08 | 엘지전자 주식회사 | Air conditioner with movable stabilizer |
| TWI267611B (en) * | 2003-09-16 | 2006-12-01 | Lg Electronics Inc | Integral type air conditioner and air guide structure thereof |
| JP4873845B2 (en) * | 2004-10-01 | 2012-02-08 | 三菱電機株式会社 | Air conditioner |
| JP4539855B2 (en) * | 2005-06-30 | 2010-09-08 | 株式会社富士通ゼネラル | Air conditioner |
| KR100751116B1 (en) | 2006-05-20 | 2007-08-22 | 엘지전자 주식회사 | Indoor unit of air conditioner |
| CN101915244A (en) * | 2010-06-03 | 2010-12-15 | 广东志高空调有限公司 | Through-flow fan of noise-reduction and air-enlargement volute tongue with convex table |
| JP5477441B2 (en) * | 2012-09-28 | 2014-04-23 | ダイキン工業株式会社 | Air conditioner |
| CN105757925A (en) * | 2016-05-11 | 2016-07-13 | 广东美的制冷设备有限公司 | Air duct assembly of air conditioner and air conditioner |
| KR20210108249A (en) | 2020-02-25 | 2021-09-02 | 엘지전자 주식회사 | Air Conditioner |
| JPWO2023157289A1 (en) * | 2022-02-21 | 2023-08-24 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6314020A (en) * | 1986-06-27 | 1988-01-21 | Matsushita Electric Ind Co Ltd | Cross flow fan |
| KR0160611B1 (en) * | 1992-05-22 | 1999-01-15 | 강진구 | Device for preventing noise in airconditioner |
| US5449271A (en) * | 1994-12-27 | 1995-09-12 | Carrier Corporation | Transverse fan with randomly varying I-shaped tongue |
| JPH0979601A (en) * | 1995-09-13 | 1997-03-28 | Matsushita Electric Ind Co Ltd | Cross flow blower |
| US5655874A (en) * | 1996-06-06 | 1997-08-12 | Carrier Corporation | Elliptical vortex wall for transverse fans |
-
1998
- 1998-04-24 KR KR1019980014633A patent/KR19990080984A/en not_active Application Discontinuation
-
1999
- 1999-02-09 JP JP11031839A patent/JPH11304178A/en active Pending
- 1999-02-10 CN CN99102184A patent/CN1233717A/en active Pending
- 1999-04-16 IT IT1999TO000308A patent/IT1308808B1/en active
- 1999-04-22 ES ES009900830A patent/ES2150396B1/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104662371A (en) * | 2012-09-28 | 2015-05-27 | 大金工业株式会社 | Air conditioner |
| CN104662371B (en) * | 2012-09-28 | 2017-04-26 | 大金工业株式会社 | Air conditioner |
| US10156376B2 (en) | 2012-09-28 | 2018-12-18 | Daikin Industries, Ltd. | Air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2150396B1 (en) | 2001-06-01 |
| IT1308808B1 (en) | 2002-01-11 |
| KR19990080984A (en) | 1999-11-15 |
| ITTO990308A1 (en) | 2000-10-16 |
| JPH11304178A (en) | 1999-11-05 |
| ES2150396A1 (en) | 2000-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1233717A (en) | Cross flow blower for air conditioner | |
| US5611667A (en) | Transverse fan | |
| EP1780475B1 (en) | Crossflow fan | |
| CN1285030A (en) | Indoor unit for air conditioner | |
| JPH05264070A (en) | Outdoor apparatus of air conditioner | |
| AU2013321660B2 (en) | Air conditioner | |
| JP2005120877A (en) | Transverse flow blower and blade for the same | |
| US6986643B2 (en) | Blower and the blade structure thereof | |
| JP3248466B2 (en) | Air conditioner | |
| JP4358179B2 (en) | Air conditioner indoor unit | |
| WO2007011046A1 (en) | Blower and air conditioner outdoor unit with the blower | |
| JP2988897B2 (en) | Cross flow fan | |
| JP2007163036A (en) | Outdoor unit for air conditioner | |
| JPS5914680Y2 (en) | Air circulation grill | |
| JPH03249400A (en) | Impeller for multiblade fan | |
| CN1256540C (en) | Indoor unit of air-conditioner | |
| JP3027797B2 (en) | Air conditioner | |
| JPH03233196A (en) | Multiblade fan | |
| JP2005273601A (en) | Blower device | |
| JPH10220792A (en) | Indoor machine for air conditioner | |
| JP3444239B2 (en) | Outdoor unit for air conditioner | |
| JP2956620B2 (en) | Outdoor unit for air conditioner | |
| JP3307117B2 (en) | Cross flow blower | |
| JP2000320885A (en) | Air conditioner | |
| KR0155503B1 (en) | Manufacturing device of multiple impeller for cross current fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |