CN102536860B - Thin cross-flow fan with air outlet boosting effect - Google Patents
Thin cross-flow fan with air outlet boosting effect Download PDFInfo
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- CN102536860B CN102536860B CN201210006652.7A CN201210006652A CN102536860B CN 102536860 B CN102536860 B CN 102536860B CN 201210006652 A CN201210006652 A CN 201210006652A CN 102536860 B CN102536860 B CN 102536860B
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- barricade
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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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
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Abstract
A thin cross-flow fan with air outlet boosting effect is characterized by comprising a thin casing, a cross-flow guide passage, a blade group, an internal motor, a tongue, an extending retainer wall and an inner extending arc edge. The thin casing comprises two end faces and a plurality of cross sides. The cross-flow guide passage is formed inside the thin casing and comprises a circulating space, an air inlet and an air outlet, wherein the air inlet and the air outlet are arranged on opposite cross sides of the thin casing. The blade group arranged in the circulating space is rotatable and comprises an impeller and a plurality of blades. The internal motor is positioned on the inner side of the end face of the thin casing and combined with the impeller in an aligning manner. The tongue is protruded and disposed in one side of the air outlet. The extending retainer wall extends from the tongue to the inside of the air outlet obliquely and is spaced from the periphery of the blades of the blade group. The inner extending arc edge extends from the tongue to the air inlet curvedly, and one end of the inner extending arc edge is in smooth link with the extending retainer wall integrally. The thin cross-flow fan with the outlet boosting effect has enough air outlet volume and strength, meets requirements for thinned structures in the industry while having cooling effect, and accordingly is quite practical.
Description
Technical field
The present invention relates to a kind of cross flow fan, espespecially a kind of slim transverse-flow type fan structure design of innovation with air-out pressurized effect.
Background technique
Indication of the present invention " cross flow fan " also is called centrifugal fan, the difference of itself and axial flow fan mainly is that it is to establish to delivery along the axle center of electric fan motor that the air inlet/outlet of axial flow fan flows to, and the air inlet/outlet of cross flow fan flows to, it is the wind path form along the footpath side direction delivery of electric fan electrical axis; With large-scale cross flow fan, the blower product is common example, and, with large-scale or general small-sized transverse-flow type fan structure design, its motor component normally is assembled into its outside, and enclosure interior only is installed with the part of flabellum group.
Along with the slimming designs trend of current various computers, electronic product, make axial flow fan can't be applicable to this kind of flat and thin state heat-dissipating space, therefore must adopt the proper transverse-flow type fan structure of wind path form, yet, along with slimming degree and the requirement of product further improves again, existing transverse-flow type fan structure form also faces some bottlenecks and challenge, particularly, shown in Figure 1, if cross flow fan further slimming again, its motor 10 parts must be moved into to blower-casting 11 inside, so the practice can allow cross flow fan housing height only reach the approximately thinness of 4 mm, after but motor 10 moves into blower-casting 11 inside, the situation that can cause flabellum group 12 center hub 13 external diameters to enlarge and relatively reduce inner loop fluid space 14 sectional areas, in the case, originally therefore exhaust outlet 15 width W 1 of standard size will be greater than inner loop fluid space 14 width W 2, right this kind of flow channel space proportionate relationship, can cause originally so as to producing Guidance-Mechanism thereby the forfeiture of blast contracting effect, and originally be convexly set in the inner side of exhaust outlet 15 and can't bring into play its effect in order to the tongue 16 that produces blast, moreover, its tongue 16 usually is set as one towards a side of wind inlet and expands the face form, so make air-flow be easy to produce a large amount of backflow phenomenons (as shown in arrow L3) by tongue 16, and then cause final air output and go out monsoon intensity too faint, be difficult to meet problem and the scarce fraud of the required heat dissipation requirement of industry.
Therefore, for above-mentioned existing slim cross flow fan, use upper existing problem, how to develop a kind of innovative structure that can have more desirable practicability, for remaining relevant industry, think again target and the direction of breakthrough in fact.
In view of this, this is engaged in manufacturing development and the design experiences of Related product in for many years the inventor, for above-mentioned target, in detail after design and scrupulous assessment, eventually this creation of a true tool practicability.
Summary of the invention
The purpose of this invention is to provide a kind of slim cross flow fan with air-out pressurized effect.
For achieving the above object, the technical solution used in the present invention is: a kind of slim cross flow fan with air-out pressurized effect, comprise: a thin case, for the hollow shape Shell Form includes biend section and several horizontal sidepiece, and between this biend section formed height between between 3mm to 10mm; One cross-flow type guide channel, be formed at the hollow shape inside of this thin case, an intake grill and an exhaust outlet that this cross-flow type guide channel comprises an annular flow space and is opened in the horizontal sidepiece of the different side direction of thin case; One flabellum group, be arranged in the annular flow space of this cross-flow type guide channel and be rotatable state, and several blade that this flabellum group is listed in this impeller periphery by an impeller and spacer ring is formed; One built-in motor, arrange the end face portion be positioned this thin case inboard and with the impeller of flabellum group to bit combination, to order about this flabellum group rotation; One tongue, be the side inside that the convex form is formed at this exhaust outlet; One extends barricade, and this tongue forms to the inner oblique extension of exhaust outlet certainly, and is the arranged spaced relation between the blade peripheral edge of this extension barricade and flabellum group; Stretch the arc edge in one, this tongue is to intake grill traversing arc Qu Yanshen certainly, an end of stretching the arc edge in this with extend barricade and be the smooth-going form that is connected of one, and should in stretch the arc edge the arc curvature with the blade periphery arc curvature of flabellum group, match.
Related content in technique scheme is explained as follows:
1. in such scheme, between the blade of described flabellum group and impeller and be formed with the recessed space that allows of ring-type, so that the end face portion of thin case close on extend barricade a place to convexing with an inboard auxiliary barricade in the recessed space that allows of ring-type, and the arc curved state of the extension form of the auxiliary barricade in this inboard for matching with the recessed ring-type curvature that allows space of ring-type.
2. in such scheme, described extension barricade inner with the inner side of exhaust outlet between clearance space and form an internal withdraw type blast and lead mouth, the width that this internal withdraw type blast is led mouth is less than the minimum width of this annular flow space; This extension barricade the inner is between exhaust outlet, for being oblique extension and the outside form that enlarges gradually width, forming an air-out gain guide face again.
3. in such scheme, the form of described extension barricade is the curved state of arc matched with the blade peripheral edge ring-type curvature of flabellum group.
4. in such scheme, the intake grill of described cross-flow type guide channel and exhaust outlet setting party are to for being mutually an angle of 90 degrees relativeness or 180, spending the angle relativenesses.
Working principle of the present invention and advantage are as follows:
1, by described extension barricade and in stretch the arc edge innovation unique texture design, make the present invention contrast the prior art that background technique is put forward, make slim cross flow fan can obtain equally the better Action of Wind pressure that width is less than annular flow space, reach enough air outputs and go out monsoon intensity, the special tool practical improvement to meet industry required slimming framework requirement and heat dissipation simultaneously.
2, close on a place of extending barricade by the end face portion of described thin case, and the recessed technical characterstic that allows space convex with inboard auxiliary barricade of corresponding ring-type, make originally will reflux to the part air-flow of intake grill, can utilize inboard auxiliary barricade to produce the effect of resistance shelves, make air-flow turn to the internal withdraw type blast to lead a mouthful outflow, reach the further practical improvement that monsoon intensity and air output that increases.
The accompanying drawing explanation
The plane that accompanying drawing 1 is existing structure and flow field operating state schematic diagram;
Accompanying drawing 2 is the exploded perspective view of preferred embodiment of the present invention;
Accompanying drawing 3 is the exploded perspective view of flabellum group of the present invention and built-in motor;
Accompanying drawing 4 is plane of the present invention and flow field operating state schematic diagram;
Accompanying drawing 5 for intake grill of the present invention and exhaust outlet setting party to the floor map that is mutually 180 degree angle relativenesses;
Accompanying drawing 6 allows space convex with the enforcement state stereogram of inboard auxiliary barricade for ring-type of the present invention is recessed;
Accompanying drawing 7 is the operating state schematic diagram of air-flow of the present invention through inboard auxiliary barricade;
Accompanying drawing 8 allows space convex with the enforcement state plane sectional view of inboard auxiliary barricade for ring-type of the present invention is recessed;
Accompanying drawing 9 allows space convex with another enforcement state plane sectional view of inboard auxiliary barricade for ring-type of the present invention is recessed.
In above accompanying drawing: 10. motor; 11. blower-casting; 12. blower-casting; 13. center hub; 14. annular flow space; 15. exhaust outlet; 16. tongue; 20. thin case; 21. end face portion; 22. horizontal sidepiece; 30. cross-flow type guide channel; 31. annular flow space; 32. intake grill; 33. exhaust outlet; 40. flabellum group; 41. impeller; 42. blade; 43. tongue; 44. extension barricade; 441. inside stretch the arc edge; 45. the internal withdraw type blast is led mouth; 50. built-in motor; 51. coil; 52. axostylus axostyle; 60. air-out gain guide face; 61. the recessed space that allows of ring-type; 62. inboard auxiliary barricade.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: shown in accompanying drawing 1～5,
The preferred embodiment that there is the slim cross flow fan of air-out pressurized effect for the present invention is a kind of, described fan comprises:
One thin case 20, for the hollow shape Shell Form includes biend section 21 and several horizontal sidepiece 22, and between this biend section 21 formed height between between 3mm to 10mm;
One cross-flow type guide channel 30, be formed at the hollow shape inside of this thin case 20, as shown in Figure 3, and an intake grill 32 and an exhaust outlet 33 that this cross-flow type guide channel 30 comprises an annular flow space 31 and is opened in the horizontal sidepiece 22 of the different side direction of thin case 20; Wherein the intake grill 32 of this cross-flow type guide channel 30 is spent angle relativenesses (as shown in Figure 5) with exhaust outlet 33 setting parties to being mutually an angle of 90 degrees relativeness (as shown in Figure 4) or 180;
One flabellum group 40, be arranged in the annular flow space 31 of this cross-flow type guide channel 30 and be rotatable state, several blades 42 that this flabellum group 40 is listed in these impeller 41 peripheries by an impeller 41 and spacer ring are formed, and by the rotation of described blade 42, with the air-flow that intake grill 32 is imported, toward exhaust outlet 33, send (as shown in the flow field operating state of Fig. 4);
One built-in motor 50, arrange the end face portion 21 be positioned this thin case 20 inboard and with 41 pairs of bit combinations of impeller of flabellum group 40, order about this flabellum group 40 rotations with this; Wherein this built-in motor 50 can be the example of an electromagnetic machine, comprises the associated components such as coil 51, axostylus axostyle 52;
One tongue 43, be the side inside that the convex form is formed at this exhaust outlet 33;
One extends barricade 44, the form that this tongue 43 forms to the inner oblique extension of exhaust outlet 33 certainly, and be the arranged spaced relation between blade 42 peripheral edges of this extension barricade 44 and flabellum group 40;
As shown in Figure 4,5, wherein this extends the form of barricade 44, can be the curved state of arc matched with the blade 42 peripheral edge ring-type curvatures of flabellum group 40.
As shown in Fig. 2～4, wherein this extension barricade 44 inner with the inner side of exhaust outlet 33 between clearance space and can form an internal withdraw type blast and lead mouthfuls 45, the width (as shown in W4 in Fig. 4) that this internal withdraw type blast is led mouth 45 is less than the minimum width (as shown in W3 in Fig. 4) of this annular flow space 31; These extension barricade 44 the inners are between exhaust outlet 33, for establishing the form that is oblique extension and outwards enlarges gradually width, forming an air-out gain guide face 60 again.
As shown in Figure 8,9, wherein between the blade 42 of this flabellum group 40 and impeller 41 and be formed with the recessed space 61 that allows of a ring-type, so that the end face portion 21 of thin case 20 is closed on the place of extending barricade 44 to should the recessed space 61 that allows of ring-type convexing with an inboard auxiliary barricade 62(as shown in Figure 6,7), and the arc curved state of the extension form of the auxiliary barricade 62 in this inboard for matching with the recessed ring-type curvature that allows space 61 of ring-type, wherein the auxiliary barricade 62 in this inboard can coordinate the example of blade 42, and different configuration modes is arranged, as shown in Figure 8, the blade 42 of this flabellum group 40 can be the local example protruded out in the outside downwards, and and be formed with the recessed space 61 that allows of ring-type between impeller 41, so that end face portion 21 is closed on a place of extension barricade 44 to convexing with an inboard auxiliary barricade 62(as Fig. 6 in the recessed space 61 that allows of ring-type, shown in 7), or as shown in Figure 9, it is upwards local that the blade 42 of this flabellum group 40 can be the outside, under the example that protrudes out, and and be formed with between impeller 41, the recessed space 61 that allows of downside ring-type, so that on, barricade 62 is assisted in lower biend section 21 all configurable inboards.
Form design by said structure, hereby as follows with regard to use state description of the present invention:
As shown in Figure 4, described blade 42 rotations (as shown in arrow L1) are sent toward exhaust outlet 33 with the air-flow that intake grill 32 is imported, and by this extension barricade 44 and in stretch water conservancy diversion and the choked flow form Design of arc edge 441, therefore can increase the Action of Wind pressure of exhaust outlet 33, and then significantly increase and monsoon intensity; Further, and can be by the described air-out gain guide face 60 that is oblique extension and outwards enlarges gradually the width form, make air-flow can and reach the effect that increases air output along this air-out gain guide face 60 after supercharging, and relatively enter air quantity and also can therefore increase.
The internal withdraw type blast is led the technical characterstic that mouthfuls 45 width (as shown in W4) is less than these annular flow space 31 minimum widths (as shown in W3), makes air-flow lead mouthful 45 places because reduced width produces Action of Wind pressure at the internal withdraw type blast.
As shown in Figure 7, wherein this end face portion 21 is closed on and is extended barricade 44 1 places and can convex with an inboard auxiliary barricade 62 again, can make whereby originally will reflux to the part air-flow of intake grill 32, can produce barrier effect by the auxiliary barricade 62 in described inboard, make air-flow turn to the internal withdraw type blast to lead mouthful 45 outflows (as shown in arrow L2), be able to further increase the real benefit of monsoon intensity and air output.
Advantage of the present invention:
1, by described extension barricade and in stretch the arc edge innovation unique texture design, make the present invention contrast the prior art that background technique is put forward, make slim cross flow fan can obtain equally the better Action of Wind pressure that width is less than annular flow space, reach enough air outputs and go out monsoon intensity, the special tool practical improvement to meet industry required slimming framework requirement and heat dissipation simultaneously.
2, close on a place of extending barricade by the end face portion of described thin case, and the recessed technical characterstic that allows space convex with inboard auxiliary barricade of corresponding ring-type, make originally will reflux to the part air-flow of intake grill, can utilize inboard auxiliary barricade to produce the effect of resistance shelves, make air-flow turn to the internal withdraw type blast to lead a mouthful outflow, reach the further practical improvement that monsoon intensity and air output that increases.
Above-described embodiment is only explanation technical conceive of the present invention and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. the slim cross flow fan with air-out pressurized effect is characterized in that: comprising:
One thin case, for the hollow shape Shell Form includes biend section and several horizontal sidepiece, and between this biend section formed height between between 3mm to 10mm;
One cross-flow type guide channel, be formed at the hollow shape inside of this thin case, an intake grill and an exhaust outlet that this cross-flow type guide channel comprises an annular flow space and is opened in the horizontal sidepiece of the different side direction of thin case;
One flabellum group, be arranged in the annular flow space of this cross-flow type guide channel and be rotatable state, and several blade that this flabellum group is listed in this impeller periphery by an impeller and spacer ring is formed;
One built-in motor, arrange the end face portion be positioned this thin case inboard and with the impeller of flabellum group to bit combination, to order about this flabellum group rotation;
One tongue, be the side inside that the convex form is formed at this exhaust outlet;
One extends barricade, the form that this tongue forms to the inner oblique extension of exhaust outlet certainly, and be the arranged spaced relation between the blade peripheral edge of this extension barricade and flabellum group;
Stretch the arc edge in one, this tongue is to intake grill traversing arc Qu Yanshen certainly, an end of stretching the arc edge in this with extend barricade and be the smooth-going form that is connected of one, and should in stretch the arc edge the arc curvature must match with the blade periphery arc curvature of flabellum group;
Between the blade of described flabellum group and impeller and be formed with the recessed space that allows of ring-type, so that the end face portion of thin case close on extend barricade a place to convexing with an inboard auxiliary barricade in the recessed space that allows of ring-type, and the arc curved state of the extension form of the auxiliary barricade in this inboard for matching with the recessed ring-type curvature that allows space of ring-type;
Described extension barricade inner with the inner side of exhaust outlet between clearance space and form an internal withdraw type blast and lead mouth, the width that this internal withdraw type blast is led mouth is less than the minimum width of this annular flow space; This extension barricade the inner is between exhaust outlet, for being oblique extension and the outside form that enlarges gradually width, forming an air-out gain guide face again.
2. fan according to claim 1 is characterized in that: the form of described extension barricade, the curved state of arc matched for the blade peripheral edge ring-type curvature with the flabellum group.
3. fan according to claim 1 is characterized in that: the intake grill of described cross-flow type guide channel and exhaust outlet setting party are to for being mutually an angle of 90 degrees relativeness or 180 degree angle relativenesses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006652.7A CN102536860B (en) | 2012-01-11 | 2012-01-11 | Thin cross-flow fan with air outlet boosting effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006652.7A CN102536860B (en) | 2012-01-11 | 2012-01-11 | Thin cross-flow fan with air outlet boosting effect |
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| CN102536860A CN102536860A (en) | 2012-07-04 |
| CN102536860B true CN102536860B (en) | 2014-01-08 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9239060B2 (en) | 2012-09-28 | 2016-01-19 | Intel Corporation | Blower assembly for electronic device |
| CN104948474B (en) * | 2014-03-24 | 2018-07-27 | 台达电子工业股份有限公司 | Fan |
| TWI557325B (en) * | 2014-05-28 | 2016-11-11 | Asia Vital Components Co Ltd | Fan structure |
| US9655278B2 (en) | 2014-06-05 | 2017-05-16 | Asia Vital Components Co., Ltd. | Slim fan structure |
| TWI632301B (en) * | 2017-04-12 | 2018-08-11 | 建準電機工業股份有限公司 | Air-exhausting structure of a ventilation fan |
| CN112746980B (en) * | 2020-12-31 | 2022-09-13 | 深圳银星智能集团股份有限公司 | Fan subassembly and cleaning machines people |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6111748A (en) * | 1997-05-15 | 2000-08-29 | Intel Corporation | Flat fan heat exchanger and use thereof in a computing device |
| JP2003222098A (en) * | 2002-01-29 | 2003-08-08 | Toshiba Corp | Centrifugal fan device and electronic equipment provided therewith |
| CN1614241B (en) * | 2003-11-07 | 2012-12-19 | 台达电子工业股份有限公司 | Centrifugal fan and its frame structure |
| CN101676569A (en) * | 2008-09-19 | 2010-03-24 | 富准精密工业(深圳)有限公司 | Heat sink and centrifugal fan applied by same |
| CN102213236A (en) * | 2010-04-09 | 2011-10-12 | 富准精密工业(深圳)有限公司 | Centrifugal fan |
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