CN101691868B - Bi-channel fan - Google Patents
Bi-channel fan Download PDFInfo
- Publication number
- CN101691868B CN101691868B CN2009100180889A CN200910018088A CN101691868B CN 101691868 B CN101691868 B CN 101691868B CN 2009100180889 A CN2009100180889 A CN 2009100180889A CN 200910018088 A CN200910018088 A CN 200910018088A CN 101691868 B CN101691868 B CN 101691868B
- Authority
- CN
- China
- Prior art keywords
- dividing plate
- arc
- air outlet
- exhaust outlet
- blade
- 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.)
- Expired - Fee Related
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
- 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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
-
- 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
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a bi-channel fan, comprising a volute casing provided with an air inlet and an air outlet and a vane wheel assembly provided with a rotary shaft arranged at the volute casing by a bearing in a penetrated manner and multiple vanes rotating together with the rotary shaft. The fan is characterized in that the cross section of the air outlet is in a parallelograms shape, a base plate forming the air outlet has an included angle of 22-25 degrees with the horizontal plane; arc-shaped guided grooves are oppositely arranged on inner walls of two lateral plates of the volute casing close to the air outlet; a movable clapboard and a fixed clapboard are additionally arranged in the air outlet to separate the air outlet into an upper airduct and a lower airduct; one end of the movable clapboard is hinged with one end of the fixed clapboard, the end part at the other end of the movable clapboard close to the inner wall of the two lateral plates is arranged in an arc-shaped groove flexibly; the fixed clapboard and the base plate are in parallel; and the two lateral sides and the inner wall of the two lateral sides are fixedly connected. By additionally arranging the movable clapboard and the fixed clapboard of which each end is hinged respectively in the fan and matching with the arc-shaped guide groove to separate the air outlet into an upper airduct and a lower airduct, wind velocity, wind quality and wind direction in the upper airduct and the lower airduct can be adjusted with excellent work performance.
Description
Technical field
The invention provides a kind of bi-channel fan, be used for cleaner-grader tool technical field.
Background technique
Existing blower fan is mainly by the spiral case and the impeller assembly of intake grill, exhaust outlet, wherein the impeller assembly is by forming with flange plate, rotating shaft and a plurality of straight blade of side plate binding, a plurality of straight blades are fixedly connected on the fan shaft by certain spacing, and the effect of flange plate is fixedly to be that impeller assembly and spiral case are linked.Its working procedure, blower fan is under motor driving, the drives impeller assembly rotates in spiral case, gas is sucked by the two ends of impeller assembly, force the gas rotation by blade, gas is done work, its energy is increased, gas throws away around rotating shaft under action of centrifugal force, can convert speed to the pressure energy by spiral case, after the gas in the impeller assembly is discharged, its pressure is lower than the air intake pipe internal pressure, and new gas is the intake impeller assembly under action of pressure, and gas is just constantly discharged in blower fan continuously.The subject matter that exists is: the wind speed of exhaust outlet is non-adjustable, and wind speed is inhomogeneous, and because existing blower fan only is provided with an exhaust outlet, so can not realize the classification selection by winnowing, its service behaviour needs further improvement.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can overcome above-mentioned defective, big, the uniform bi-channel fan of air-flow of exhaust outlet throughput.
Its technological scheme is:
Comprise and be provided with intake grill, the spiral case of exhaust outlet and impeller assembly, wherein the impeller assembly comprises by bearing and runs through rotating shaft that is installed on the spiral case and a plurality of blades that together rotate with rotating shaft, it is characterized in that: exhaust outlet cross section parallelogram, the base plate and the level that constitute exhaust outlet are 22～25 degree angles, be provided with arc guide barrel at exhaust outlet in opposite directions near on the biside plate inwall of spiral case, in exhaust outlet, set up a moving dividing plate and certain dividing plate, exhaust outlet is partitioned into, following two air channels, wherein an end of moving dividing plate is hinged with an end of deciding dividing plate, the other end of moving dividing plate is movably arranged in the arc guide barrel near the end of biside plate inwall, it is parallel with base plate to decide dividing plate, and the dual-side of deciding dividing plate (7) is fixedlyed connected with the biside plate inwall.By moving dividing plate moving in guide groove, just can regulate wind speed, air quantity and the wind direction in upper and lower two air channels like this.
Described bi-channel fan, a plurality of blade rings are evenly fixed installation around the shaft, each blade is all vertical with the tangent direction of the rotating shaft of its installation place, each blade is the arc backward inclined blade that radius is 60mm near the outer end of spiral case, the center of circle that is arc is in the place ahead of this blade rotation direction, and arc is 15 degree angles away from the starting point tangent line of spiral case and the straight section of blade.
This aspect compared with prior art, owing to set up the hinged moving dividing plate of an end and decided dividing plate, and be equipped with arc guide barrel, so just exhaust outlet is partitioned into upper and lower two air channels, and moving dividing plate can also slide in arc guide barrel, so just can regulate wind speed, air quantity and the wind direction in upper and lower two air channels, and then realize that the exhaust outlet throughput is big, air-flow is even, excellent working performance.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is an A-A sectional drawing embodiment illustrated in fig. 1.
Among the figure: 1, intake grill 2, exhaust outlet 3, spiral case 4, rotating shaft 5, blade 6, base plate 7, decide dividing plate 8, moving dividing plate 9, side plate 10, guide groove 11, end cap
Embodiment
In the embodiment shown in Fig. 1-2: the impeller assembly comprises that bearing runs through rotating shaft 4 that is installed on the spiral case 3 and 5 blades 5 that together rotate with rotating shaft 4,5 blade 5 twisted rotary shafts 4 evenly fixedly mount, each blade 5 is all vertical with the tangent direction of these blade 5 installation place rotating shafts 4, each blade 5 is the arc backward inclined blade that radius is 60mm near the outer end of spiral case 3, the center of circle that is arc is in the place ahead of these blade 5 sense of rotation, and arc is 15 degree angles away from the starting point tangent line of spiral case 3 and the straight section of this blade 5.The exhaust outlet 2 cross section parallelograms of blower fan, the base plate 6 that constitutes exhaust outlet 2 is 22 degree angles with level, be provided with arc guide barrel 10 at exhaust outlet 2 in opposite directions near on biside plate 9 inwalls of spiral case 3, in exhaust outlet 2, set up a moving dividing plate 8 and certain dividing plate 7, exhaust outlet 2 is partitioned into upper and lower two air channels, wherein move dividing plate 8 and decide dividing plate 7 one ends hinged, the other end of moving dividing plate 8 is movably arranged in the arc guide barrel 10 near the end of biside plate 9 inwalls, it is parallel with base plate 6 to decide dividing plate 7, and dual-side is fixedlyed connected with biside plate 9 inwalls.By moving dividing plate 8 moving in guide groove 10, just can regulate wind speed, air quantity and the wind direction in upper and lower two air channels like this.
Claims (2)
1. bi-channel fan, comprise and be provided with intake grill (1), the spiral case (3) and the impeller assembly of exhaust outlet (2), wherein the impeller assembly comprises by bearing and runs through rotating shaft (4) that is installed on the spiral case (3) and a plurality of blades (5) that together rotate with rotating shaft (4), it is characterized in that: exhaust outlet (2) cross section parallelogram, the base plate (6) that constitutes exhaust outlet (2) is 22～25 degree angles with level, be provided with arc guide barrel (10) at exhaust outlet (2) in opposite directions near on biside plate (9) inwall of spiral case (3), in exhaust outlet (2), set up a moving dividing plate (8) and certain dividing plate (7), exhaust outlet (2) is partitioned into, following two air channels, one end of wherein moving dividing plate (8) and to decide an end of dividing plate (7) hinged, the other end of moving dividing plate (8) is movably arranged in the arc guide barrel (10) near the end of biside plate (9) inwall, it is parallel with base plate (6) to decide dividing plate (7), and the dual-side of deciding dividing plate (7) is fixedlyed connected with biside plate (9) inwall.
2. bi-channel fan as claimed in claim 1, it is characterized in that: a plurality of blades (5) twisted rotary shafts (4) are fixed installation evenly, each blade (5) is all vertical with the tangent direction of the rotating shaft (4) of its installation place, each blade (5) is the arc backward inclined blade that radius is 60mm near the outer end of spiral case (3), the center of circle that is arc is in the place ahead of this blade (5) sense of rotation, and arc is 15 degree angles away from the tangent line of the starting point of spiral case (3) and the straight section of blade (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100180889A CN101691868B (en) | 2009-08-25 | 2009-08-25 | Bi-channel fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100180889A CN101691868B (en) | 2009-08-25 | 2009-08-25 | Bi-channel fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101691868A CN101691868A (en) | 2010-04-07 |
| CN101691868B true CN101691868B (en) | 2011-08-24 |
Family
ID=42080577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100180889A Expired - Fee Related CN101691868B (en) | 2009-08-25 | 2009-08-25 | Bi-channel fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101691868B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351218A (en) * | 2015-12-24 | 2016-02-24 | 清华大学 | Centrifugal compressor provided with adjustable double-outlet volute |
| CN106122101B (en) * | 2016-08-09 | 2018-10-30 | 珠海格力电器股份有限公司 | Centrifugal blower component and air-conditioning device |
| CN108151271A (en) * | 2018-01-29 | 2018-06-12 | 珠海格力电器股份有限公司 | Wind guiding mechanism, air conditioner indoor unit and air conditioner |
| CN110441980A (en) * | 2019-08-02 | 2019-11-12 | 苏州佳世达光电有限公司 | Colour wheel cooling system and projector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5107566A (en) * | 1991-06-26 | 1992-04-28 | Schmid Roy J | Directed discharge blower chute and method |
| US6073305A (en) * | 1998-03-02 | 2000-06-13 | Hesskamp; Scott | Debris blower |
| CN101285479A (en) * | 2008-05-23 | 2008-10-15 | 山东理工大学 | Through-flow double channel blower fan |
| CN201486889U (en) * | 2009-08-25 | 2010-05-26 | 山东理工大学 | Double-channel fan |
-
2009
- 2009-08-25 CN CN2009100180889A patent/CN101691868B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5107566A (en) * | 1991-06-26 | 1992-04-28 | Schmid Roy J | Directed discharge blower chute and method |
| US6073305A (en) * | 1998-03-02 | 2000-06-13 | Hesskamp; Scott | Debris blower |
| CN101285479A (en) * | 2008-05-23 | 2008-10-15 | 山东理工大学 | Through-flow double channel blower fan |
| CN201486889U (en) * | 2009-08-25 | 2010-05-26 | 山东理工大学 | Double-channel fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101691868A (en) | 2010-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201486889U (en) | Double-channel fan | |
| JP6461172B2 (en) | Air cleaner and its blower | |
| US9347450B2 (en) | Centrifugal compressor | |
| CA2578135A1 (en) | Attrition scrubber apparatus and method | |
| CN101691868B (en) | Bi-channel fan | |
| CN104350308B (en) | There is axle and be placed in decelerator on axle, blower fan in fan shroud | |
| US10415584B2 (en) | Impeller and fan using the same | |
| CN205578297U (en) | Interstage air entrainment centrifugal compressor | |
| CN101285479B (en) | Through-flow double channel blower fan | |
| CN110546389A (en) | Improvement of fan | |
| US20130266434A1 (en) | Impeller and Regenerative Blower | |
| RU2699863C2 (en) | Inlet guide vane device | |
| CN110985438A (en) | Centrifugal fan with variable-amplitude blades | |
| RU2700212C2 (en) | Turbomachine inlet nozzle assembly for asymmetric flow with blades of different shape | |
| CN203548269U (en) | Backward type centrifugal fan | |
| EP2739860B1 (en) | Axial blower | |
| CN205578298U (en) | Interstage centrifugal compressor that bleeds | |
| CN104895806A (en) | Centripetal type compressor | |
| CN201228661Y (en) | Blower fan | |
| KR101400665B1 (en) | Centrifugal blower | |
| CN102705249A (en) | Centrifugal fan for high temperature environment and drying oven for centrifugal fan | |
| US20020064457A1 (en) | Blower | |
| US2027745A (en) | Ventilator | |
| CN102705250A (en) | Minitype centrifugal fan | |
| CN101392748B (en) | Horizontal type dry vacuum pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20120825 |