CN106286400A - A kind of bionical snail tongue with high-efficient low-noise multi-wing centrifugal fan - Google Patents
A kind of bionical snail tongue with high-efficient low-noise multi-wing centrifugal fan Download PDFInfo
- Publication number
- CN106286400A CN106286400A CN201610848599.3A CN201610848599A CN106286400A CN 106286400 A CN106286400 A CN 106286400A CN 201610848599 A CN201610848599 A CN 201610848599A CN 106286400 A CN106286400 A CN 106286400A
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- CN
- China
- Prior art keywords
- snail tongue
- bionical
- outer mold
- centrifugal fan
- mold surface
- 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.)
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Classifications
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- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/422—Discharge tongues
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of bionical snail tongue with high-efficient low-noise multi-wing centrifugal fan, including body, wherein said body is bionical kingfisher contouring head formula structure, described bionical kingfisher contouring head formula structure includes fluoran stream surface, outer mold surface and interior profile, described fluoran stream surface is snail tongue leading edge, the profile molded line of described snail tongue leading edge is SPL structure or circular curve structure, described outer mold surface and interior profile are respectively by the SPL cut-grafting of circular arc with snail tongue leading edge, and outer mold surface is arranged on rear end, interior profile is arranged on front end, it is provided with spiral case draw-in groove in the middle of described outer mold surface and interior profile, for being connected with spiral case.The present invention bionical snail tongue structure is simple, eliminate the design that snail tongue position is traditional, use card slot type the design of bionical snail tongue to be installed, on the premise of not changing blower volute structure, greatly improving the motility of blower fan snail tongue design, the test improvement for blower fan improves convenience.
Description
Technical field
The invention belongs to centrifugal blower technical field, particularly relate to a kind of there is the bionical of high-efficient low-noise multi-wing centrifugal fan
Snail tongue.
Background technology
Multi-wing centrifugal fan is current household electrical appliances, automobile, environmental protecting device, a kind of the sending of compact low noise use environmental requirement
Pressure device.Although there being a lot of manufacturing enterprise, but the low noise required, big flow, the design of high-efficiency compact blower fan are used for height
Production technology, still rests in minority external monopoly enterprise hands.Due to factors such as aerodynamic noise when blower fan works, construct noises
Impact, in some use occasions, more and more higher to the performance requirement of blower fan, therefore, about multi-wing centrifugal fan research also
It it is current study hotspot problem.
The snail tongue of multi-wing centrifugal fan is crucial parts in centrifugal blower, and the design of snail tongue directly affects blower fan
The performance such as efficiency, aerodynamic noise, therefore, the snail tongue design of multi-wing centrifugal fan is also a key issue in fan design.
Design currently for blower fan snail tongue is main according to conventional design experiences or test data, pays close attention to snail tongue and impeller goes out
Distance empirical value between Kou and the radius size empirical value of snail tongue, be essentially all the method pair using empirical value in the design
Snail tongue is designed.During snail tongue manufactures, traditional method typically uses snail tongue-spiral case integration process for stamping, passes through
The method of punching press makes snail tongue profile.These methods, although meet the demand of most blower fan application in engineering, but in high property
In the design of energy blower fan, but there are limitation, the serviceability parameter request of high performance blower fan is affected.Cause
This, explore the design of snail tongue and the manufacture method of multi-wing centrifugal fan design, improve complete blower performance, for high-performance blower fan
Design has important engineering use value.
Summary of the invention
The technical problem to be solved is to provide a kind of bionical snail tongue with high-efficient low-noise multi-wing centrifugal fan,
Ensureing on the premise of blower pressure, flow, overall efficiency, to the snail tonguing row innovative design of multi-wing centrifugal fan to reach
Efficiently, the purpose of design of low noise environmental protection, solve snail tongue profile that tradition snail tongue-spiral case integration process for stamping makes in high-performance
Limitation is there are, the problem that the serviceability parameter request of high performance blower fan is affected in the design of blower fan.
The technical solution adopted for the present invention to solve the technical problems is: provide one to have high-efficient low-noise multi-wing centrifugal wind
The bionical snail tongue of machine, including body, wherein said body is bionical kingfisher contouring head formula structure, and described bionical kingfisher head is taken turns
Wide formula structure includes fluoran stream surface, outer mold surface and interior profile, and described fluoran stream surface is snail tongue leading edge, the profile molded line of described snail tongue leading edge
Bent with the batten of snail tongue leading edge by circular arc respectively for SPL structure or circular curve structure, described outer mold surface and interior profile
Line cut-grafting, and outer mold surface is arranged on rear end, interior profile is arranged on front end, is provided with spiral case card in the middle of described outer mold surface and interior profile
Groove, for being connected with spiral case.
The further technical scheme of the present invention is, the sine wave that the upper profile of described body uses paddy peak value to be 0.5～1mm
With cosine wave profile moulding separately.
The further technical scheme of the present invention is, the spacing distance of two ripples of described sine wave and cosine wave be 1～
2.5mm, phase contrast are pi/2.
The further technical scheme of the present invention is that described body is made up of synthetic microporous rubber.
The further technical scheme of the present invention is, the setting angle of described body is to meet stream part just to impeller outlet
Tail-jet flow field carry out flow path direction, in underriding shape.
The further technical scheme of the present invention is, described outer mold surface is arranged on inner side, makes air-flow outside shunting tailing edge
Profile enters diffuser air channel.
The further technical scheme of the present invention is, the volute type facial contour phase of described spiral case draw-in groove and snail tongue support zone
Corresponding.
The further technical scheme of the present invention is, the manufacture method of described snail tongue support zone is that spiral case is taken turns with diffuser
Wide crossing, then sheared by intersecting lens, leave and take the spiral case inlet pressure part support zone as bionical snail tongue.
Beneficial effect
The present invention is compared with traditional snail tongue method for designing, and the present invention bionical snail tongue structure is simple, eliminates snail tongue
The design that position is traditional, uses card slot type to install the design of bionical snail tongue, on the premise of not changing blower volute structure, greatly
The motility that improve the design of blower fan snail tongue, the test of blower fan is improved and improves convenience, meanwhile, flow diving type emerald green
The bionical snail tongue of bird head Bionic Design, for improving fan efficiency, reducing complete blower noise favorably, comprehensive complete machine, permissible
Reduce the production cost of blower fan, effectively reduction business risk and operation cost；The material of the present invention bionical snail tongue is to use micropore
Rubber manufactures, and the existing certain support strength of this rubber firmly can be connected to the snail of the section start of spiral case by spiral case draw-in groove
On tongue bit-type face, there is certain pliability, the soft surface structure that kingfisher head feather covers can be formed, to discrete noise
The air-flow periodic shock formed is patted has certain cushioning effect, the advantage reducing aerodynamic noise.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is profile micro forming structural representation of the present invention.
Fig. 3 is Fig. 2 front view.
Fig. 4 is present invention position view in blower fan structure.
Fig. 5 is partial enlarged drawing at Z in Fig. 4.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention
Rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, people in the art
The present invention can be made various changes or modifications by member, and these equivalent form of values fall within the application appended claims equally and limited
Scope.
Embodiment 1
As it is shown in figure 1, a kind of bionical snail tongue with high-efficient low-noise multi-wing centrifugal fan, including body 6, wherein said
Body 6 is bionical kingfisher contouring head formula structure, and described body 6 is made up of synthetic microporous rubber, described bionical kingfisher contouring head
Formula structure includes fluoran stream surface, outer mold surface 2 and interior profile 3, and described fluoran stream surface is snail tongue leading edge 1, the wheel profile of described snail tongue leading edge 1
Line is SPL structure or circular curve structure, and described outer mold surface 2 and interior profile 3 are respectively by circular arc and snail tongue leading edge 1
SPL cut-grafting, and outer mold surface 2 is arranged on rear end, interior profile 3 is arranged on front end, sets in the middle of described outer mold surface 2 and interior profile 3
Having spiral case draw-in groove 4, for being connected with spiral case, described spiral case draw-in groove 4 is corresponding with the volute type facial contour of snail tongue support zone,
The most synthetic microporous rubber makes the bionical snail tongue profile micro forming design of material, described body 6
Upper profile use paddy peak value be 0.5～1mm sine wave 10 and cosine wave 11 profile moulding separately, described sinusoidal wave 10
With the spacing distance of two ripples of cosine wave 11 be 1～2.5mm, phase contrast be pi/2.
The setting angle of described body 6 be meet stream part just to the tail-jet flow field of impeller outlet come flow path direction, in
Underriding shape, described outer mold surface 2 is arranged on inner side, makes air-flow enter diffuser air channel 7, described snail through shunting tailing edge outer mold surface 2
The manufacture method of tongue support zone is that spiral case intersects with diffuser profile, is then sheared by intersecting lens, leaves and takes spiral case inlet pressure portion
It is allocated as the support zone for bionical snail tongue.
It is the positional structure schematic diagram of an embodiment in blower fan structure of the present invention as shown in Figure 4 and Figure 5, at spiral case
The section start of 6, is arranged on snail tongue position by spiral case draw-in groove 4 by bionical snail tongue, after this position is diffuser and spiral case 6 handing-over,
Boolean calculation wipes out the original position part of the spiral case 6 obtained by diffuser portion；Bionical snail tongue passes through and spiral case 6 section start type
The spiral case draw-in groove 4 of face conjugation is arranged at the snail tongue of spiral case 6；Two pieces of import cover plates 8 are bolted and are arranged on entering of blower fan
At Kou, make to be formed between blower fan structure and snail tongue to be stably connected with；Impeller 9 is arranged on spiral case 6 by supporting structure.
When above-mentioned installation normally works: impeller 9 rotates under the driving of motor, and air-flow is entered by the import of import cover plate 8
Entering to blower fan inner chamber, under the effect that lasting impeller 9 rotates, air-flow enters impeller inlet, from leaf after accelerating in blade passage
Wheel outlet is flowed out at a high speed, and along with the tail-jet flow field of impeller outlet, air-flow directly rushes at the imitative of this invention carrying out flow path direction
Raw snail tongue, under the shunting action of bionical snail tongue, major part air-flow enters diffusion in the outer mold surface through shunting tailing edge bionical snail tongue
Device air channel 7, completes the air-supply work of blower fan.
Claims (8)
1. there is a bionical snail tongue for high-efficient low-noise multi-wing centrifugal fan, including body (6), it is characterised in that: described body
(6) be bionical kingfisher contouring head formula structure, described bionical kingfisher contouring head formula structure include fluoran stream surface, outer mold surface (2) and
Interior profile (3), described fluoran stream surface is snail tongue leading edge (1), and the profile molded line of described snail tongue leading edge (1) is SPL structure or circle
Curved line structure, described outer mold surface (2) and interior profile (3) pass through the SPL cut-grafting of circular arc and snail tongue leading edge (1) respectively, and
Outer mold surface (2) is arranged on rear end, interior profile (3) is arranged on front end, is provided with spiral case in the middle of described outer mold surface (2) and interior profile (3)
Draw-in groove (4), for being connected with spiral case.
A kind of bionical snail tongue with high-efficient low-noise multi-wing centrifugal fan the most according to claim 1, it is characterised in that: institute
Sine wave (10) and cosine wave (11) profile separately that the upper profile stating body (6) uses paddy peak value to be 0.5～1mm are made
Type.
A kind of bionical snail tongue with high-efficient low-noise multi-wing centrifugal fan the most according to claim 2, it is characterised in that: institute
The spacing distance of two ripples stating sine wave (10) and cosine wave (11) is 1～2.5mm, phase contrast is pi/2.
A kind of bionical snail tongue with high-efficient low-noise multi-wing centrifugal fan the most according to claim 1, it is characterised in that: institute
State body (6) to be made up of synthetic microporous rubber.
A kind of bionical snail tongue with high-efficient low-noise multi-wing centrifugal fan the most according to claim 1, it is characterised in that: institute
Stating the setting angle of body (6) is to meet stream part just tail-the jet flow field of impeller outlet to be come flow path direction, in underriding shape.
A kind of bionical snail tongue with high-efficient low-noise multi-wing centrifugal fan the most according to claim 1, it is characterised in that: institute
State outer mold surface (2) and be arranged on inner side, make air-flow enter diffuser air channel (7) through shunting tailing edge outer mold surface (2).
A kind of bionical snail tongue with high-efficient low-noise multi-wing centrifugal fan the most according to claim 1, it is characterised in that: institute
State spiral case draw-in groove (4) corresponding with the volute type facial contour of snail tongue support zone.
A kind of bionical snail tongue with high-efficient low-noise multi-wing centrifugal fan the most according to claim 7, it is characterised in that: institute
The manufacture method stating snail tongue support zone is that spiral case intersects with diffuser profile, is then sheared by intersecting lens, leaves and takes volute type
Line part is as the support zone of bionical snail tongue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848599.3A CN106286400B (en) | 2016-09-23 | 2016-09-23 | A kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848599.3A CN106286400B (en) | 2016-09-23 | 2016-09-23 | A kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286400A true CN106286400A (en) | 2017-01-04 |
| CN106286400B CN106286400B (en) | 2018-12-04 |
Family
ID=57714831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610848599.3A Expired - Fee Related CN106286400B (en) | 2016-09-23 | 2016-09-23 | A kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286400B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608198A (en) * | 2022-02-28 | 2022-06-10 | 江西南方锅炉股份有限公司 | High-efficiency pump device for boiler equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679405Y (en) * | 2004-02-09 | 2005-02-16 | 杭州老板实业集团有限公司 | Fan structure of cooker hood |
| JP2006220106A (en) * | 2005-02-14 | 2006-08-24 | Mitsubishi Electric Corp | Centrifugal blower and air conditioner having centrifugal blower |
| CN102042264A (en) * | 2009-10-10 | 2011-05-04 | 珠海格力电器股份有限公司 | Volute tongue with bionic structure and volute using same |
| CN103089707A (en) * | 2013-03-11 | 2013-05-08 | 中国船舶重工集团公司第七0四研究所 | Centrifugal-type modularized volute |
| CN204984942U (en) * | 2015-06-23 | 2016-01-20 | 浙江工业大学 | Centrifugal pump of making an uproar falls in damping with biomimetic structure |
-
2016
- 2016-09-23 CN CN201610848599.3A patent/CN106286400B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679405Y (en) * | 2004-02-09 | 2005-02-16 | 杭州老板实业集团有限公司 | Fan structure of cooker hood |
| JP2006220106A (en) * | 2005-02-14 | 2006-08-24 | Mitsubishi Electric Corp | Centrifugal blower and air conditioner having centrifugal blower |
| CN102042264A (en) * | 2009-10-10 | 2011-05-04 | 珠海格力电器股份有限公司 | Volute tongue with bionic structure and volute using same |
| CN103089707A (en) * | 2013-03-11 | 2013-05-08 | 中国船舶重工集团公司第七0四研究所 | Centrifugal-type modularized volute |
| CN204984942U (en) * | 2015-06-23 | 2016-01-20 | 浙江工业大学 | Centrifugal pump of making an uproar falls in damping with biomimetic structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608198A (en) * | 2022-02-28 | 2022-06-10 | 江西南方锅炉股份有限公司 | High-efficiency pump device for boiler equipment |
| CN114608198B (en) * | 2022-02-28 | 2023-09-01 | 江西南方锅炉股份有限公司 | Efficient pump device for boiler equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106286400B (en) | 2018-12-04 |
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Granted publication date: 20181204 Termination date: 20210923 |