CN108223430A - A kind of through-flow fan blade - Google Patents
A kind of through-flow fan blade Download PDFInfo
- Publication number
- CN108223430A CN108223430A CN201710734687.5A CN201710734687A CN108223430A CN 108223430 A CN108223430 A CN 108223430A CN 201710734687 A CN201710734687 A CN 201710734687A CN 108223430 A CN108223430 A CN 108223430A
- Authority
- CN
- China
- Prior art keywords
- blade
- wheel disc
- flow fan
- fan blade
- inner end
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
- F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of through-flow fan blades, including circular wheel disc and the blade being distributed on circular wheel disc, the section of the blade is arc, the blade includes towards outboard end, the middle part and towards the inner end on the inside of circular wheel disc on the outside of circular wheel disc, outboard end, middle part, the inner end thickness of the single blade are different, and outboard end, middle part, the inner end thickness of the adjacent blade are also different；The design that the through-flow fan blade is improved by the thickness distribution to fan blade effectively improves fan blade leaf road internal flow situation, noise is effectively reduced under same air quantity.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly a kind of through-flow fan blade.
Background technology
Through-flow fan blade due to outlet air it is big the features such as, be widely used on hanging outdoor unit of air conditioner and part cabinet-type air conditioner.Through-flow fan blade
It has generally comprised wheel disc and polylith blade integrated injection molding is formed, blade one end is connected as a single entity with the wheel disc back side.And the noise of air-conditioning
Often there is substantial connection with through-flow fan blade.
Have 104747493 A's of Publication No. CN《A kind of through-flow fan blade》Coaxially connected multiple middle section fan blades are referred to,
Error angle is both provided in two of arbitrary neighborhood between section fan blade, there is same structure at least one set of adjacent middle section fan blade
Blade between error angle offset direction reversed arrangement, by one group in through-flow fan blade save fan blade between error angle it is inclined
Direction is moved, is set as the direction opposite with former offset direction so that the middle section fan blade of through-flow fan blade is on same busbar position
After blade deviates the busbar, replied to busbar position offset so that mutually isostructural blade is long in through-flow fan blade on through-flow fan blade
The busbar for spending direction close to through-flow fan blade is distributed.Although this method improves indoor unit outlet air uniformity, reduce to a certain degree
The abnormal sound of volute tongue air-flow generation is blowed to, but the noise generated in the case where rotating speed is larger is still very big.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of through-flow fan blade.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of through-flow fan blade, including circular wheel disc and the blade being distributed on circular wheel disc, the section of the blade
For arc, the blade includes towards outboard end, the middle part and towards on the inside of circular wheel disc on the outside of circular wheel disc
Inner end, outboard end, middle part, the inner end thickness of the single blade are different, the outboard end of the adjacent blade, centre
Portion, inner end thickness are also different.
As a preference, the blade upper end area of section between the annular shape wheel disc is bigger than lower end area of section.
As a preference, the blade on circular wheel disc is distributed in every five as a blade group, each blade
The most thick position of group intra vane is sequentially located at the meta position of the outboard end of first blade, the outboard end of second blade and middle part
It puts between place, the middle part of third blade, the middle part of the 4th blade and inner end at position, the inside of the 5th blade
End.
As a preference, every layer of lobe numbers are 35.
As a preference, the edge of the blade profile is smooth curve.
The beneficial effects of the invention are as follows：The design that the through-flow fan blade is improved by the thickness distribution to fan blade, effectively
Fan blade leaf road internal flow situation is improved, noise is effectively reduced under same air quantity.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the stereogram of the present invention；
Fig. 2 is the structure diagram of the present invention；
Fig. 3 is the partial enlarged view of Fig. 2；
Fig. 4 is maximum blade thickness position and diameter ratio schematic diagram in the present invention；
Fig. 5 is noise-air quantity ratio schematic diagram when blade is tested in the present invention.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the object, technical solution and advantage for making the application are more clearly understood
The present invention is further elaborated.For the thorough explanation present invention, some certain details can be related in following description
Section.And in these no specific details, the invention can still be realized, i.e., the technical staff in fields uses herein
These describe and state that the others skilled in the art into fields can more effectively introduce their work essence.In addition it needs
Illustrate, the fingers such as word " front side " used in the following description, " rear side ", " left side ", " right side ", " upside ", " downside "
It is the direction in attached drawing, word " interior " and " outer " are referred respectively to towards or away from the direction of particular elements geometric center, related
Technical staff above-mentioned direction is made it is simple, do not need to creative adjustment and should not be construed as skill other than the application protection domain
Art.It should be appreciated that specific embodiment described herein is only used to explain the application, it is not used to limit real protection model
It encloses.And be the purpose of the present invention of avoiding confusion, due to well known manufacturing method, part dimension, material composition etc. technology
It will be understood that therefore they are not described in detail.
With reference to Fig. 1, Fig. 2, a kind of through-flow fan blade, including circular wheel disc 1 and the blade being distributed on circular wheel disc 1
2, the section of the blade 2 is arc, and the blade 2 includes outboard end 3,4 and of middle part towards circular 1 outside of wheel disc
Towards the inner end 5 of circular 1 inside of wheel disc, outboard end 3, middle part 4,5 thickness of inner end of the single blade are different, phase
Outboard end 3, middle part 4,5 thickness of inner end of the adjacent blade 2 are also different.I.e. 2 partial blade thickness of blade is in a set pattern
Rule distribution, adjacent blades thickness distribution is different, and in certain rule, this design makes to be superimposed by the air-flow of blade 2
Resonance is generated, can preferably improve leaf road internal flow situation, improves that cross flow fan is pneumatic and noiseproof feature, and effectively improves
The sound quality problem of cross flow fan.
Other embodiment, with reference to a kind of through-flow fan blade of Fig. 1, Fig. 2, Fig. 3, wherein " embodiment " referred to herein refers to
It may be included in a particular feature, structure, or characteristic at least one realization method of the application.Different places go out in the present specification
Existing " in embodiment " not refers both to same embodiment, nor individual or selective mutually exclusive with other embodiment
Embodiment.Embodiment includes circular wheel disc 1 and the blade 2 being distributed on circular wheel disc 1, plurality of annular shape wheel disc
1 fan blade is divided into multilayer, and every layer of 2 number of blade is 35.The section of the blade 2 is arc, and the blade 2 includes
Towards the outboard end 3 in circular 1 outside of wheel disc, middle part 4 and the inner end 5 towards circular 1 inside of wheel disc, it is distributed in annulus
With every five for a blade group 6, the most thick position of each 6 intra vane 2 of blade group is sequentially located at for blade 2 on shape wheel disc 1
Between the outboard end 3 of 3, second blades of outboard end and middle part 4 of one blade at position, the middle part of third blade 2
4th, between the middle part 4 of the 4th blade 2 and inner end 5 at position, the inner end 5 of the 5th blade 2, specifically can refer to Fig. 4.
Other embodiment with reference to a kind of through-flow fan blade of Fig. 1, Fig. 2, including circular wheel disc 1 and is distributed in annular shape
Blade 2 on wheel disc 1, the section of the blade 2 is arc, and the blade 2 includes the outside towards circular 1 outside of wheel disc
End 3, middle part 4 and the inner end 5 towards circular 1 inside of wheel disc, the outboard end 3 of the single blade, middle part 4, inside
Hold 5 thickness different, outboard end 3, middle part 4,5 thickness of inner end of the adjacent blade 2 are also different, the annular shape wheel disc
2 upper end area of section of blade between 1 is bigger than lower end area of section, and air-flow would not be superimposed to form resonance along axis direction,
Further reduce noise.The edge in 2 section of blade is smooth curve, and side and end including blade 2 are all made smooth
Arc reduces turbine and occurs.
According to above-mentioned principle, the present invention can also carry out the above embodiment appropriate change and modification.Therefore, this hair
It is bright to be not limited to specific embodiment disclosed and described above, some modifications and changes of the present invention should also be as to fall into this
In the scope of the claims of invention.
By it was verified that with reference to Fig. 5 data, using the improvement project of novel design method, noise drops under same air quantity
Low 1.1-1.8dB, and sound quality makes moderate progress.
Claims (5)
1. a kind of through-flow fan blade, including circular wheel disc (1) and the blade (2) being distributed on circular wheel disc (1), feature exists
In：The section of the blade (2) is arc, the blade (2) include towards on the outside of circular wheel disc (1) outboard end (3),
Middle part (4) and towards the inner end (5) on the inside of circular wheel disc (1), outboard end (3), the middle part of the single blade
(4), inner end (5) thickness is different, outboard end (3), middle part (4), inner end (5) thickness of the adjacent blade (2)
It is different.
2. a kind of through-flow fan blade according to claim 1, it is characterised in that：Blade between the annular shape wheel disc (1)
(2) upper end area of section is bigger than lower end area of section.
3. a kind of through-flow fan blade according to claim 1, it is characterised in that：The blade being distributed on circular wheel disc (1)
(2) with every five for a blade group (6), the most thick position of each blade group (6) intra vane (2) is sequentially located at first blade
Outboard end (3), between the outboard end (3) of second blade and middle part (4) at position, the middle part of third blade (2)
(4), between the middle part (4) of the 4th blade (2) and inner end (5) at the position, inner end (5) of the 5th blade (2).
4. a kind of through-flow fan blade according to claim 1, it is characterised in that：Every layer of blade (2) number is 35.
5. a kind of through-flow fan blade according to claim 1, it is characterised in that：The edge in blade (2) section is smooth
Curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734687.5A CN108223430B (en) | 2017-08-23 | 2017-08-23 | Cross-flow fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734687.5A CN108223430B (en) | 2017-08-23 | 2017-08-23 | Cross-flow fan blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108223430A true CN108223430A (en) | 2018-06-29 |
| CN108223430B CN108223430B (en) | 2024-06-18 |
Family
ID=62655207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710734687.5A Active CN108223430B (en) | 2017-08-23 | 2017-08-23 | Cross-flow fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108223430B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878456A (en) * | 2020-06-08 | 2020-11-03 | 嘉兴市品鼎电器有限公司 | Cross-flow fan blade for integrated ceiling fresh air system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0587294U (en) * | 1991-09-05 | 1993-11-26 | 三光合成株式会社 | Cylindrical impeller |
| JP2001263285A (en) * | 2000-03-21 | 2001-09-26 | Mitsubishi Electric Corp | Thorough flow air blower and air conditioner |
| JP2006170043A (en) * | 2004-12-15 | 2006-06-29 | Matsushita Electric Ind Co Ltd | Cross flow fan |
| JP2008241188A (en) * | 2007-03-28 | 2008-10-09 | Mitsubishi Electric Corp | Cross flow air blower and air conditioner |
| CN201401348Y (en) * | 2009-04-21 | 2010-02-10 | Tcl集团股份有限公司 | Crossflow fan |
| JP2012117387A (en) * | 2010-11-29 | 2012-06-21 | Mitsubishi Electric Corp | Air blower and air conditioner equipped with the air blower |
| CN205047514U (en) * | 2015-09-25 | 2016-02-24 | 宁波朗迪叶轮机械有限公司 | Cross -flow fan blade |
| CN205047502U (en) * | 2015-09-25 | 2016-02-24 | 武汉朗迪叶轮机械有限公司 | Through -flow fan blade of moulding plastics |
| CN205047500U (en) * | 2015-09-25 | 2016-02-24 | 宁波朗迪叶轮机械有限公司 | Idle call fan blade |
| CN207513920U (en) * | 2017-08-23 | 2018-06-19 | 广东顺威精密塑料股份有限公司 | A kind of through-flow fan blade |
-
2017
- 2017-08-23 CN CN201710734687.5A patent/CN108223430B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0587294U (en) * | 1991-09-05 | 1993-11-26 | 三光合成株式会社 | Cylindrical impeller |
| JP2001263285A (en) * | 2000-03-21 | 2001-09-26 | Mitsubishi Electric Corp | Thorough flow air blower and air conditioner |
| JP2006170043A (en) * | 2004-12-15 | 2006-06-29 | Matsushita Electric Ind Co Ltd | Cross flow fan |
| JP2008241188A (en) * | 2007-03-28 | 2008-10-09 | Mitsubishi Electric Corp | Cross flow air blower and air conditioner |
| CN201401348Y (en) * | 2009-04-21 | 2010-02-10 | Tcl集团股份有限公司 | Crossflow fan |
| JP2012117387A (en) * | 2010-11-29 | 2012-06-21 | Mitsubishi Electric Corp | Air blower and air conditioner equipped with the air blower |
| CN205047514U (en) * | 2015-09-25 | 2016-02-24 | 宁波朗迪叶轮机械有限公司 | Cross -flow fan blade |
| CN205047502U (en) * | 2015-09-25 | 2016-02-24 | 武汉朗迪叶轮机械有限公司 | Through -flow fan blade of moulding plastics |
| CN205047500U (en) * | 2015-09-25 | 2016-02-24 | 宁波朗迪叶轮机械有限公司 | Idle call fan blade |
| CN207513920U (en) * | 2017-08-23 | 2018-06-19 | 广东顺威精密塑料股份有限公司 | A kind of through-flow fan blade |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878456A (en) * | 2020-06-08 | 2020-11-03 | 嘉兴市品鼎电器有限公司 | Cross-flow fan blade for integrated ceiling fresh air system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108223430B (en) | 2024-06-18 |
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