CN106286400B - A kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan - Google Patents
A kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan Download PDFInfo
- Publication number
- CN106286400B CN106286400B CN201610848599.3A CN201610848599A CN106286400B CN 106286400 B CN106286400 B CN 106286400B CN 201610848599 A CN201610848599 A CN 201610848599A CN 106286400 B CN106286400 B CN 106286400B
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- China
- Prior art keywords
- volute tongue
- bionical
- centrifugal fan
- volute
- efficient low
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- 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
-
- 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 volute tongues with high-efficient low-noise multi-wing centrifugal fan, including ontology, wherein the ontology is bionical kingfisher contouring head formula structure, the bionical kingfisher contouring head formula structure includes fluoran stream surface, outer mold surface and inner mold face, the fluoran stream surface is volute tongue leading edge, the up-front profile molded line of volute tongue is spline curve structure or circular curve structure, the outer mold surface and inner mold face pass through circular arc and the up-front spline curve cut-grafting of volute tongue respectively, and outer mold surface is arranged in rear end, inner mold face is arranged in front end, spiral case card slot is equipped among the outer mold surface and inner mold face, for being connect with spiral case.The bionical volute tongue structure of the present invention is simple, the traditional design method in volute tongue position is omitted, bionical volute tongue is installed using card slot type and is designed, under the premise of not changing blower volute structure, the flexibility of blower volute tongue design is greatly improved, convenience is improved for the test improvement of blower.
Description
Technical field
The invention belongs to centrifugal blower technical fields, more particularly to a kind of with the bionical of high-efficient low-noise multi-wing centrifugal fan
Volute tongue.
Background technique
Multi-wing centrifugal fan be current household electrical appliances, automobile, environmental protecting device, compact low noise use environment require a kind of air-supply give
Pressure device.Although there is many manufacturing enterprises, the design for the low noise of high requirement, big flow, high-efficiency compact blower
Production technology still rests in a small number of external monopoly enterprise hands.The factors such as aerodynamic noise, structural noise when due to blower work
Influence, it is higher and higher to the performance requirement of blower in some use occasions, therefore, the research in relation to multi-wing centrifugal fan
It is current research hotspot problem.
The volute tongue of multi-wing centrifugal fan is a crucial component in centrifugal blower, and the design of volute tongue directly affects blower
The performances such as efficiency, aerodynamic noise, therefore, the volute tongue design of multi-wing centrifugal fan are also a critical issue in fan design.
Currently, designing mainly according to previous design experiences or test data for blower volute tongue, pays close attention to volute tongue and impeller goes out
The radius size empirical value of the distance between mouth empirical value and volute tongue, is essentially all the method pair using empirical value in the design
Volute tongue is designed.During volute tongue manufacture, conventional method generally uses volute tongue-spiral case integration process for stamping, passes through
The method of punching press makes volute tongue type face.These methods, although the demand of most blower applications is met in engineering, in high property
In the design of energy blower, but there are limitations, affect to the service performance parameter request of high performance blower.Cause
This, the volute tongue for exploring multi-wing centrifugal fan design designs and manufactures method, complete blower performance is improved, for high-performance blower
Design has important engineering use value.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan,
Under the premise of guaranteeing blower pressure, flow, overall efficiency, innovative design is carried out to reach to the volute tongue of multi-wing centrifugal fan
Efficiently, the purpose of design of low noise environmental protection solves traditional volute tongue-spiral case integration process for stamping production volute tongue type face in high-performance
There are limitations in the design of blower, the problem of affecting to the service performance parameter request of high performance blower.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of with high-efficient low-noise multi-wing centrifugal wind
The bionical volute tongue of machine, including ontology, wherein the ontology is bionical kingfisher contouring head formula structure, the bionical kingfisher head wheel
Wide formula structure includes fluoran stream surface, outer mold surface and inner mold face, and the fluoran stream surface is volute tongue leading edge, the up-front profile molded line of volute tongue
For spline curve structure or circular curve structure, the outer mold surface and inner mold face pass through circular arc and the up-front batten song of volute tongue respectively
Line cut-grafting, and outer mold surface setting is equipped with spiral case card in rear end, the setting of inner mold face among front end, the outer mold surface and inner mold face
Slot, for being connect with spiral case.
A further technical scheme of the invention is that the mo(u)ld top half face of the ontology uses paddy peak value for the sine wave of 0.5~1mm
With the type face moulding of cosine wave separately.
Further technical solution of the invention is, the spacing distance of two waves of the sine wave and cosine wave is 1~
2.5mm, phase difference are pi/2.
Further technical solution of the invention is that the ontology is made of synthetic microporous rubber.
Further technical solution of the invention is that the setting angle of the ontology is to meet stream part face impeller outlet
Tail-jet flow field direction of flow is in underriding shape.
Further technical solution of the invention is, the outer mold surface is mounted on inside, make air-flow after shunting along outer
Type face enters diffuser air duct.
Further technical solution of the invention is the spiral case machined surface profile phase of the spiral case card slot and volute tongue support zone
It is corresponding.
Further technical solution of the invention is that the production method of the volute tongue support zone is spiral case and diffusion device wheel
Exterior feature intersection leaves and takes support zone of the spiral case inlet pressure part as bionical volute tongue then by intersection line shearing.
Beneficial effect
For the present invention compared with traditional volute tongue design method, the bionical volute tongue structure of the present invention is simple, and volute tongue portion is omitted
The traditional design method in position is installed bionical volute tongue using card slot type and is designed, under the premise of not changing blower volute structure, greatly
The flexibility for improving the design of blower volute tongue, convenience is improved for the test improvement of blower, meanwhile, incoming flow diving type is emerald green
The bionical volute tongue of bird head Bionic Design can be with for improving fan efficiency, advantageous, the comprehensive complete machine that reduces complete blower noise
It reduces the production cost of blower, business risk and operation cost is effectively reduced；The material of the bionical volute tongue of the present invention is using micropore
Rubber manufacture, the existing certain support strength of the rubber can firmly be connected to the snail of the section start of spiral case by spiral case card slot
On tongue bit-type face, there is certain pliability, the soft surface structure of kingfisher head feather covering can be formed, to discrete noise
The advantages of air-flow periodic shock of formation, which is patted, has certain buffer function, reduces aerodynamic noise.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is type face micro forming structural schematic diagram of the present invention.
Fig. 3 is Fig. 2 main view.
Fig. 4 is position view of the present invention in blower fan structure.
Fig. 5 is partial enlarged view at Z in Fig. 4.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Embodiment 1
As shown in Figure 1, a kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan, including ontology 6, wherein described
Body 6 is bionical kingfisher contouring head formula structure, and the ontology 6 is made of synthetic microporous rubber, the bionical kingfisher contouring head
Formula structure includes fluoran stream surface, outer mold surface 2 and inner mold face 3, and the fluoran stream surface is volute tongue leading edge 1, the profile of the volute tongue leading edge 1
Molded line is spline curve structure or circular curve structure, and the outer mold surface 2 and inner mold face 3 pass through circular arc and volute tongue leading edge 1 respectively
Spline curve cut-grafting, and outer mold surface 2 setting rear end, inner mold face 3 be arranged in front end, the outer mold surface 2 and inner mold face 3
Between be equipped with spiral case card slot 4, for connecting with spiral case, the spiral case card slot 4 is opposite with the spiral case machined surface profile of volute tongue support zone
It answers,
Synthetic microporous rubber system as shown in Figures 2 and 3 is designed at the bionical volute tongue type face micro forming of material, the ontology 6
Mo(u)ld top half face use the type face moulding of paddy peak value separately for the sine wave 10 and cosine wave 11 of 0.5~1mm, the sine wave
10 and cosine wave 11 two waves spacing distance be 1~2.5mm, phase difference is pi/2.
The setting angle of the ontology 6 is the tail-jet flow field direction of flow for meeting stream part face impeller outlet, is in
Underriding shape, the outer mold surface 2 are mounted on inside, and air-flow is made to enter diffuser air duct 7, the snail along outer mold surface 2 after shunting
The production method of tongue support zone is that spiral case intersects with diffuser profile, then by intersection line shearing, leaves and takes spiral case inlet pressure portion
It is allocated as the support zone of bionical volute tongue.
It is as shown in Figure 4 and Figure 5 the positional structure schematic diagram of one embodiment of the invention in blower fan structure, in spiral case
Bionical volute tongue is mounted on volute tongue position by spiral case card slot 4 by 6 section start, which is after diffuser and spiral case 6 join,
Boolean calculation wipes out the initial position part of the obtained spiral case 6 of diffuser portion；Bionical volute tongue passes through and 6 section start type of spiral case
The spiral case card slot 4 of face conjugation is mounted at the volute tongue of spiral case 6；Two pieces of import cover boards 8 be bolted be mounted on blower into
At mouthful, it is stably connected with formation between blower fan structure and volute tongue；Impeller 9 is mounted on spiral case 6 by supporting structure.
When above-mentioned installation works normally: impeller 9 rotates under the drive of the motor, air-flow by the import of import cover board 8 into
Enter to blower inner cavity, under the action of the rotation of lasting impeller 9, air-flow enters impeller inlet, from leaf after accelerating in blade passage
Wheel outlet high speed flows out, and along with tail-jet flow field of impeller outlet, air-flow directly rushes at the imitative of the invention in direction of flow
Raw volute tongue, under the shunting function of bionical volute tongue, most of air-flow enters diffusion in the outer mold surface after shunting along bionical volute tongue
The air-supply work of blower is completed in device air duct 7.
Claims (8)
1. a kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan, including ontology (6), it is characterised in that: the ontology
(6) be bionical kingfisher contouring head formula structure, the bionical kingfisher contouring head formula structure include fluoran stream surface, outer mold surface (2) and
Inner mold face (3), the fluoran stream surface are volute tongue leading edge (1), and the profile molded line of the volute tongue leading edge (1) is spline curve structure, institute
The spline curve cut-grafting that outer mold surface (2) and inner mold face (3) pass through circular arc and volute tongue leading edge (1) respectively is stated, and outer mold surface (2) is arranged
In rear end, inner mold face (3) setting in front end, be equipped with spiral case card slot (4) among the outer mold surface (2) and inner mold face (3), be used for
Spiral case connection.
2. a kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan according to claim 1, it is characterised in that: institute
The mo(u)ld top half face for stating ontology (6) uses paddy peak value to make for the type face of the sine wave (10) and cosine wave (11) of 0.5~1mm separately
Type.
3. a kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan according to claim 2, it is characterised in that: institute
The spacing distance for stating two waves of sine wave (10) and cosine wave (11) is 1~2.5mm, phase difference is pi/2.
4. a kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan according to claim 1, it is characterised in that: institute
Ontology (6) is stated to be made of synthetic microporous rubber.
5. a kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan according to claim 1, it is characterised in that: institute
The setting angle for stating ontology (6) is the tail-jet flow field direction of flow for meeting stream part face impeller outlet, in underriding shape.
6. a kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan according to claim 1, it is characterised in that: institute
It states outer mold surface (2) and is mounted on inside, air-flow is made to enter diffuser air duct (7) along outer mold surface (2) after shunting.
7. a kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan according to claim 1, it is characterised in that: institute
It is corresponding with the spiral case machined surface profile of volute tongue support zone to state spiral case card slot (4).
8. a kind of bionical volute tongue with high-efficient low-noise multi-wing centrifugal fan according to claim 7, it is characterised in that: institute
The production method for stating volute tongue support zone is that spiral case intersects with diffuser profile, then by intersection line shearing, leaves and takes volute type
Support zone of the line part as bionical volute 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 CN106286400A (en) | 2017-01-04 |
| CN106286400B true CN106286400B (en) | 2018-12-04 |
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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 |
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| Country | Link |
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| CN (1) | CN106286400B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (4)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4720203B2 (en) * | 2005-02-14 | 2011-07-13 | 三菱電機株式会社 | Centrifugal blower, air conditioner |
-
2016
- 2016-09-23 CN CN201610848599.3A patent/CN106286400B/en not_active Expired - Fee Related
Patent Citations (4)
| 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 |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN106286400A (en) | 2017-01-04 |
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