CN205298058U - Centrifugal radiator fan's blade water conservancy diversion gain structure - Google Patents
Centrifugal radiator fan's blade water conservancy diversion gain structure Download PDFInfo
- Publication number
- CN205298058U CN205298058U CN201520906329.4U CN201520906329U CN205298058U CN 205298058 U CN205298058 U CN 205298058U CN 201520906329 U CN201520906329 U CN 201520906329U CN 205298058 U CN205298058 U CN 205298058U
- Authority
- CN
- China
- Prior art keywords
- blade
- edge
- heat radiation
- radiation fan
- centrifugal heat
- 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
- F04D29/26—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
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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
- F04D29/26—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
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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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
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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
- F04D29/66—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/70—Shape
- F05D2250/71—Shape curved
Abstract
The utility model provides a centrifugal radiator fan's blade water conservancy diversion gain structure, centrifugal radiator fan includes wheel hub and is the several blade that wheel hub week side was located to the spacer ring, the blade includes the water conservancy diversion face and the back, and blade utensil link and the protruding end of stretching, and this blade by the link to protruding 60% to the 95% protruding district's section within range of stretching in the protruding elongation proportion of whole that the end formed of stretching, more be formed with the bent marginal part that steps up, cross section that the bent marginal part that should step up passes through the structure of blade own is established and is waited the crooked form component of leaf wall thickness, must be in this water conservancy diversion shape of face one -tenth spill face of locating the blade to in the back of blade mutually counterpoint department form a convex, borrow this design, so the accessible the bent marginal part that steps up produces the local supercharging of concentrating, makes the flow field more smooth and easy.
Description
Technical field
This utility model relates to the partial structurtes of a kind of radiator fan, particularly relates to the Leaf Conductance flow enhancement structure innovation form of a kind of centrifugal heat radiation fan.
Background technology
Centrifugal heat radiation fan is in structural design, it is often necessary to reach predetermined water conservancy diversion effect by the form Design of its blade.
Though the blade of existing centrifugal heat radiation fan is set as a degree of arc bending state, to produce intended water conservancy diversion effect, but, further water conservancy diversion gain requirement is needed once industry, if not the mode of the height or development length by increasing blade, then it is difficult to reach its requirement, but the height of blade or development length are once expand, its peripheral corresponding blower-casting volume will relative improve with material cost, cause the problem not being inconsistent preferably industrial economy benefit, the preferably option that this aobvious non-industry is expected.
Therefore, for the problem existing for the blade construction of above-mentioned existing centrifugal heat radiation fan, how developing the innovation structure of a kind of more desirable practicality, actually relevant dealer must make great efforts target and the direction that research and development break through again.
In view of this, inventor this in manufacturing development and the design experiences of being engaged in Related product for many years, for above-mentioned target, in detail after design and scrupulous assessment, eventually this utility model really having a practicality.
Summary of the invention
This utility model provides the Leaf Conductance flow enhancement structure of a kind of centrifugal heat radiation fan, and its purpose is target in addition strategic structural mainly for the new-type centrifugal heat radiation fan Leaf Conductance flow structure form how developing a kind of more desirable practicality.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: the Leaf Conductance flow enhancement structure of a kind of centrifugal heat radiation fan, described centrifugal heat radiation fan includes a wheel hub and is located at several blades of this wheel hub week side in laterally protruding out shape spacer ring, described blade includes a guide face and a back side, and this blade has a link and and protrudes out end, this link with wheel hub week side be combined; And wherein, this blade is protruded out within the scope of section by link to protrude out that end formed project integrally in length ratio 60% to 95%, more it is formed with the bent edge of at least one boosting, this boosting song edge is by leaf wall thickness bending shape compositions such as the transverse section of this body structure of blade are set as, a concave panel must be formed in the guide face of this place's blade, and form a convex in back side phase para-position place of blade.
Relevant content in technique scheme is explained as follows:
1., in such scheme, the bent edge of boosting of described blade includes an edge, peak, position in an inner slope edge of these both sides, edge, peak and a Wai Po edge.
2., in such scheme, described inner slope edge and Wai Po edge are the form that the gradient is symmetrical.
3., in such scheme, the gradient of described inner slope edge is more than the gradient of Wai Po edge.
4., in such scheme, the gradient of described Wai Po edge is more than the gradient of inner slope edge.
5. in such scheme, in the material group that the material selection free metal of described blade and plastics form any one.
Operation principle of the present utility model and advantage are as follows:
The Leaf Conductance flow enhancement structure of a kind of centrifugal heat radiation fan of this utility model, the bent edge of boosting more it is formed mainly through described blade, this boosting song edge is by leaf wall thickness bending shape compositions such as the structure transverse face of blade own are set as, concave panel must be formed in the guide face of blade, back side phase para-position place then forms innovation unique texture form and the technical characteristics such as convex, make this utility model comparison carried existing structure of background technology, concentration of local pressurization is produced by the bent edge of described boosting, make flow field more smooth and easy, therefore can when waiting rotation speed requirements, static pressure is allowed slightly to raise and to reduce flow, and make noise be greatly reduced, if and when waiting noise requirements, then practical improvement rotating speed being greatly improved with operating usefulness can be reached.
Accompanying drawing explanation
Accompanying drawing 1 is the axonometric chart of this utility model embodiment;
Accompanying drawing 2 is B position enlarged drawing in Fig. 1;
Accompanying drawing 3 is the enlarged plan view of the bent edge of this utility model embodiment boosting;
Accompanying drawing 4 is another embodiment figure of the bent edge of this utility model embodiment boosting;
Accompanying drawing 5 is the another embodiment figure of the bent edge of this utility model embodiment boosting.
In the figures above: A. centrifugal heat radiation fan; 10. wheel hub; 20. blade; 21. guide face; 215. concave panel; 22. the back side; 225. convex; 23. link; 24. protrude out end; 30. the bent edge of boosting; 31. edge, peak; 32. inner slope edge; 32B. inner slope edge; 32C. inner slope edge; 33. Wai Po edge; 33B. Wai Po edge; 33C. Wai Po edge.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further described:
Embodiment: refer to shown in Fig. 1��3, for the preferred embodiment of the Leaf Conductance flow enhancement structure of this utility model centrifugal heat radiation fan, this embodiment is intended for purposes of discussion, is not limited by this structure in patent application. Described centrifugal heat radiation fan A includes a wheel hub 10 and is located at several blades 20 of 10 weeks sides of this wheel hub in laterally protruding out shape spacer ring, described blade 20 includes guide face 21 and a back side 22, and this blade 20 has a link 23 and and protrudes out end 24,10 weeks sides of this link 23 and wheel hub are combined; And wherein, this blade 20 is protruded out by link 23 to protrude out that end 24 formed project integrally in length ratio 60% to 95% and is more formed with at least one bent edge 30 of boosting within the scope of section, this boosting song edge 30 is by leaf wall thickness bending shape compositions such as the transverse section of 20 body structures of blade are set as, a concave panel 215 must be formed in the guide face 21 of this place's blade 20, and form a convex 225 in the back side 22 phase para-position place of blade 20.
As shown in Figures 1 to 3, the bent edge 30 of boosting of wherein said blade 20 can include an edge, peak 31, position in inner slope edge 32 and a Wai Po edge 33 of these both sides, edge, peak 31;Wherein, this inner slope edge 32 and Wai Po edge 33 can be the form that the gradient is symmetrical.
Separately as shown in Figure 4, wherein the gradient of this inner slope edge 32B can more than the gradient of Wai Po edge 33B.
Again as it is shown in figure 5, wherein the gradient of this Wai Po edge 33C can more than the gradient of inner slope edge 32C.
Again wherein, in the material group that the material of described blade 20 can be selected for free metal and plastics form any one.
By said structure composition design, this utility model centrifugal heat radiation fan A is formed with the technical characteristic of the bent edge 30 of described boosting mainly through this blade 20, with when this centrifugal heat radiation fan A rotates (in Fig. 3 shown in arrow L1), concentration of local pressurization (in Fig. 3 shown in arrow L2) can be produced by the bent edge 30 of the set boosting of each blade 20, make flow field more smooth and easy; Consequently, it is possible to therefore when waiting rotation speed requirements, static pressure can be allowed slightly to raise and reduce flow, and makes noise be greatly reduced; And if when waiting noise requirements, then practical improvement rotating speed being greatly improved with operating usefulness can be reached.
Effect illustrates:
The Leaf Conductance flow enhancement structure of a kind of centrifugal heat radiation fan of this utility model, the bent edge of boosting more it is formed mainly through described blade, this boosting song edge is by leaf wall thickness bending shape compositions such as the structure transverse face of blade own are set as, concave panel must be formed in the guide face of blade, back side phase para-position place then forms innovation unique texture form and the technical characteristics such as convex, make this utility model comparison carried existing structure of background technology, concentration of local pressurization is produced by the bent edge of described boosting, make flow field more smooth and easy, therefore can when waiting rotation speed requirements, static pressure is allowed slightly to raise and to reduce flow, and make noise be greatly reduced, if and when waiting noise requirements, then practical improvement rotating speed being greatly improved with operating usefulness can be reached.
Above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow person skilled in the art will appreciate that content of the present utility model and to implement according to this, can not limit protection domain of the present utility model with this. All equivalences made according to this utility model spirit change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (6)
1. the Leaf Conductance flow enhancement structure of a centrifugal heat radiation fan, it is characterized in that: described centrifugal heat radiation fan includes a wheel hub and is located at several blades of this wheel hub week side in laterally protruding out shape spacer ring, described blade includes a guide face and a back side, and this blade has a link and and protrudes out end, this link with wheel hub week side be combined; And wherein, this blade is protruded out within the scope of section by link to protrude out that end formed project integrally in length ratio 60% to 95%, more it is formed with the bent edge of at least one boosting, this boosting song edge is by leaf wall thickness bending shape compositions such as the transverse section of this body structure of blade are set as, a concave panel must be formed in the guide face of this place's blade, and form a convex in back side phase para-position place of blade.
2. the Leaf Conductance flow enhancement structure of centrifugal heat radiation fan according to claim 1, it is characterised in that: the bent edge of boosting of described blade includes an edge, peak, position in an inner slope edge of these both sides, edge, peak and a Wai Po edge.
3. the Leaf Conductance flow enhancement structure of centrifugal heat radiation fan according to claim 2, it is characterised in that: described inner slope edge and Wai Po edge are the form that the gradient is symmetrical.
4. the Leaf Conductance flow enhancement structure of centrifugal heat radiation fan according to claim 2, it is characterised in that: the gradient of described inner slope edge is more than the gradient of Wai Po edge.
5. the Leaf Conductance flow enhancement structure of centrifugal heat radiation fan according to claim 2, it is characterised in that: the gradient of described Wai Po edge is more than the gradient of inner slope edge.
6. the Leaf Conductance flow enhancement structure of centrifugal heat radiation fan according to claim 1 and 2, it is characterised in that: in the material group that the material selection free metal of described blade and plastics form any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906329.4U CN205298058U (en) | 2015-11-16 | 2015-11-16 | Centrifugal radiator fan's blade water conservancy diversion gain structure |
| PCT/CN2016/102525 WO2017084465A1 (en) | 2015-11-16 | 2016-10-19 | Flow guide gain structure for blades of centrifugal heat dissipation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906329.4U CN205298058U (en) | 2015-11-16 | 2015-11-16 | Centrifugal radiator fan's blade water conservancy diversion gain structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298058U true CN205298058U (en) | 2016-06-08 |
Family
ID=56463544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520906329.4U Active CN205298058U (en) | 2015-11-16 | 2015-11-16 | Centrifugal radiator fan's blade water conservancy diversion gain structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205298058U (en) |
| WO (1) | WO2017084465A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017084465A1 (en) * | 2015-11-16 | 2017-05-26 | 苏州聚力电机有限公司 | Flow guide gain structure for blades of centrifugal heat dissipation fan |
| CN108891226A (en) * | 2018-06-26 | 2018-11-27 | 深圳创维空调科技有限公司 | A kind of grid, coach air conditioner and car |
| TWI658214B (en) * | 2017-08-25 | 2019-05-01 | 宏碁股份有限公司 | Heat dissipation blade and heat dissipation fan |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4761323B2 (en) * | 2009-09-09 | 2011-08-31 | シャープ株式会社 | Centrifugal fan, molding die and fluid feeder |
| SG184061A1 (en) * | 2010-03-15 | 2012-10-30 | Sharp Kk | Fan, molding die, and fluid feeder |
| JP5320435B2 (en) * | 2011-05-30 | 2013-10-23 | シャープ株式会社 | Cross-flow fan, molding die and fluid feeder |
| CN104179725A (en) * | 2014-09-16 | 2014-12-03 | 珠海格力电器股份有限公司 | Centrifugal fan and electric appliance comprising centrifugal fan |
| CN205298058U (en) * | 2015-11-16 | 2016-06-08 | 苏州聚力电机有限公司 | Centrifugal radiator fan's blade water conservancy diversion gain structure |
-
2015
- 2015-11-16 CN CN201520906329.4U patent/CN205298058U/en active Active
-
2016
- 2016-10-19 WO PCT/CN2016/102525 patent/WO2017084465A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017084465A1 (en) * | 2015-11-16 | 2017-05-26 | 苏州聚力电机有限公司 | Flow guide gain structure for blades of centrifugal heat dissipation fan |
| TWI658214B (en) * | 2017-08-25 | 2019-05-01 | 宏碁股份有限公司 | Heat dissipation blade and heat dissipation fan |
| US10914313B2 (en) | 2017-08-25 | 2021-02-09 | Acer Incorporated | Heat dissipation blade and heat dissipation fan |
| CN108891226A (en) * | 2018-06-26 | 2018-11-27 | 深圳创维空调科技有限公司 | A kind of grid, coach air conditioner and car |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017084465A1 (en) | 2017-05-26 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |