CN2532285Y - Fan - Google Patents
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- Publication number
- CN2532285Y CN2532285Y CN 01269696 CN01269696U CN2532285Y CN 2532285 Y CN2532285 Y CN 2532285Y CN 01269696 CN01269696 CN 01269696 CN 01269696 U CN01269696 U CN 01269696U CN 2532285 Y CN2532285 Y CN 2532285Y
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- Prior art keywords
- fan
- ring portion
- several
- basal disc
- several blades
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- Expired - Lifetime
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Abstract
The utility model provides a fan which can prevent aerial drainage and reduce noise, including an external frame composed of a pedestal and a cover; and a fan leaf structure which is assembled on the pedestal; wherein the fan leaf structure comprises a base plate which is connected to a rotating shaft and is driven by the rotating shaft to rotate; a plurality of leaves which are arranged around the base plate and are driven by the rotating base plate to centrifugally discharge the airflow in the radial direction to the rotating shaft; and a top ring part which is formed on the top of the plurality of leaves.
Description
Technical fieldThe relevant a kind of fan of the utility model.
Background technique
Present notebook computer on the market, nearly all be the problem that solves heat radiation with fan, cause flowing of air by fan specifically, the hot air in the notebook computer body is taken out of, and the air that external temperature is lower brings in the body, to reduce the temperature of body.
Since volume little and thin be a big event of notebook computer quality requirements, in this flat more structure, settle a fan structure to realize flowing of inner air, be a difficult thing.If dispel the heat with general common axial fan blade owing to be the situation of forcing to import fluid, make air flows have some setbacks and efficient clear.If can take a centrifugal fan framework, then can meet the principle that aerodynamic flows.
Please refer to 1A and 1B figure, it is existing centrifugal fan Organization Chart, and wherein the side of housing 10 has an exhaust outlet 101, has a chassis 11 in this housing, and is connected with a vane group 12 on this chassis.When the rotation of this chassis, can drive attached blade rotation thereon, and then drive that air is entered by wind inlet 102 and blow out by the exhaust outlet 101 of side.Yet, drive flowing of air with such fan structure, will produce some noises unavoidably, and when fan rotate fast more, when air flows is fast more, noise can be bigger.So when the rotating speed that need to increase fan when strengthening the effect of heat radiation, but can suffer from noise also with the puzzlement of increase, therefore, this existing radiation fan structure needs be improved and solves this awkward predicament.
The model utility content
Main purpose of the present utility model is to provide a kind of to be increased air pressure air flow and prevents earial drainage and the fan of reduction noise.
According to a conception of the present utility model, this fan comprises a housing, has a base and a loam cake; And a blade structure, be assembled on this base.Wherein this blade structure also comprises a basal disc, and it is to be connected in this rotatingshaft and to be subjected to this rotatingshaft driven rotary; Several blades, ring is established and is arranged in around this basal disc, it be subjected to this basal disc rotation drive and with the radially centrifugal discharge of air-flow towards this rotatingshaft; And ring portion on, be formed at the top of these several blades.
Preferably, ring portion is located on the top outer rim of these several blades on this, and wherein the disk track of this basal disc contracts in being, and less than the disk track of these several blades; Perhaps, these several blades align with the outer rim of this basal disc.And this loam cake has a wind inlet, and its slightly larger in diameter is in the external diameter than these several blades.
Perhaps, wherein should go up ring portion, be located on the top inner edge of these several blades.And this blade structure also comprises several ribs, is connected on this between the ring portion and this basal disc top, and these several ribs can be eddy current shape or radial arrangement.In addition, the bottom of this basal disc also has ring portion, and these several blades connect and ring is established and is arranged on this between the ring portion and this time ring portion.This time ring portion is alignd with each blade bottom outer rim, aligns with each vane tip inner edge and should go up ring portion.In this embodiment, the wind inlet diameter of this loam cake is littler than these several blade external diameters.
Preferably, the sectional shape of every of these several blades blade can be arcuation, strip or wavy.And the corner, edge of these several blades can respectively have the breach that contracts in.
In addition, this base has several perforates, and when this fan running, external air-flow can be lowered to gas on the wind inlet of several perforates of this base and this loam cake.And this fan comprises that also a drive unit is assembled on this base, rotates in order to drive this blade structure.Preferably, this fan frame has narrow outer wide exhaust outlet in the cross section, uses for the air-flow towards the radially centrifugal flow of this rotatingshaft and discharges thus.
According to another conception of the present utility model, this fan comprises a base and a blade structure, is assembled on this base.Wherein this blade structure also comprises a basal disc, and it is to be connected in this rotatingshaft and by this rotatingshaft rotary driving; Several blades, ring is established and is arranged in around this basal disc, and it is to be subjected to the drive of this basal disc rotation and to make the radially centrifugal discharge of air-flow towards this rotatingshaft; And one first ring portion, be located on around this basal disc and and be connected with these several blades.
Understand the purpose of this utility model, characteristics and advantage for clearer, preferred embodiment of the present utility model is elaborated below in conjunction with accompanying drawing.
Description of drawings
Figure 1A is the three-dimensional exploded view of existing centrifugal fan.
Figure 1B is the combination stereogram of existing centrifugal fan.
Fig. 2 A is the three-dimensional exploded view of first preferred embodiment of the utility model fan.
Fig. 2 B is the combination stereogram of first preferred embodiment of the utility model fan.
Fig. 3 A is the three-dimensional exploded view of second preferred embodiment of the utility model fan.
Fig. 3 B is the combination stereogram of second preferred embodiment of the utility model fan.
Fig. 4 A is the three-dimensional exploded view of the 3rd preferred embodiment of the utility model fan.
Fig. 4 B is the combination stereogram of the 3rd preferred embodiment of the utility model fan.
Fig. 5 A is the three-dimensional exploded view of the 4th preferred embodiment of the utility model fan.
5B figure is the combination stereogram of the 4th preferred embodiment of the utility model fan.
Fig. 6 A is the three-dimensional exploded view of the 5th preferred embodiment of the utility model fan.
Fig. 6 B is the combination stereogram of the 5th preferred embodiment of the utility model fan.
Fig. 7 A is the three-dimensional exploded view of the 6th preferred embodiment of the utility model fan.
Fig. 7 B is the combination stereogram of the 6th preferred embodiment of the utility model fan.
Embodiment
The utility model provides a kind of fan, by fixed pan or fixedly rib improvement or in leaf upper end or the lower end increase platen surface and change into gas direction and angle, to reach the purpose that increases air pressure air flow and reduce noise.It can be used but be not limited to general centrifugal fan, side-blowing fan, side blown type radiating subassembly or naked fan.The utility model further application note sees also following embodiment.
First embodiment
Please refer to Fig. 2 A and 2B, it is the modified model centrifugal fan that the utility model develops out.Centrifugal fan of the present utility model comprises a fan frame 21 and a blade structure 22, and wherein this fan frame 21 is made of a base 211 and a loam cake 212.This base 211 has an exhaust outlet 214.This loam cake 212 has the wind inlet of an opening 2121 as fan, and this blade structure 22 is to be installed in the groove 213 that this fan frame 21 limits and to form the runner of an air-flow, and this runner is meant that gas is by the path of wind inlet 2121 to 214 processes of exhaust outlet.This blade structure 22 comprises ring portion 222 on the basal disc 221, one and several and is located on the circumferential outer edge of this basal disc 221 and should goes up blade 223 between the ring portion 222 in this embodiment.This basal disc 221, ring portion 222 can be integrally formed with these several blades 223 on this.The axial charge air flow that this blade 223 will be parallel to this blade structure 22 be converted to along basal disc 221 radially away from air-flow after discharge.This blade structure 22 is to be subjected to the drive of a rotatingshaft (figure do not show) and to rotate.
The bottom disk track of this basal disc 221 can in contract and less than the disk track of these several blades 223, make partly naked sky of each blade.Perhaps, the bottom circumferential outer edge of each blade and this basal disc 221 is aligned to annular array.And the sectional shape of every blade can be arcuation (shown in Fig. 2 A or 2B) or strip.
Should go up the top outer rim that ring portion 222 is formed at these several blades, and can prevent earial drainage and reduce noise by this structure.
Second embodiment
Please refer to Fig. 3 A and Fig. 3 B, it is second kind of modified model centrifugal fan that the utility model develops out.Centrifugal fan of the present utility model comprises a fan frame 31 and a blade structure 32, and wherein this fan frame 31 is made of a base 311 and a loam cake 312.This base 311 has an exhaust outlet 314.This loam cake 312 has the wind inlet of an opening 3121 as fan, and this blade structure 32 is to be installed in the groove 313 that this fan frame 31 limits and to form the runner of an air-flow, and this runner is meant that gas is by the path of wind inlet 3121 to 314 processes of exhaust outlet.This blade structure 32 comprises ring portion 322 on the basal disc 321, in this embodiment, once ring portion 324 and several are located on the blade 323 between the ring portion 322 and this time ring portion 324 on this.This blade structure 32 also comprises 325 one-tenth eddy current shapes arrangements of several ribs and is connected between basal disc 321 and the last ring portion 322.This basal disc 321, ring portion 322 on this, this time ring portion 324, these several ribs 325 can be one of the forming with these several blades 323.The axial charge air flow that this blade 323 will be parallel to this blade structure 32 be converted to along basal disc 321 radially away from air-flow after discharge.This blade structure 32 is to be subjected to the drive (being driven by the motor on the carrier that is disposed at this base) of a rotatingshaft (figure do not show) and to rotate.
This time ring portion 324 is alignd with each blade bottom outer rim, aligns with each vane tip inner edge and should go up ring portion 322.The sectional shape of every blade can be arcuation (shown in Fig. 3 A or 3B), strip or different shape such as wavy.
In this embodiment, wind inlet 2121 diameters of this loam cake are littler than several blade external diameters, and also have several perforates 315 in base 311 bottoms of this fan frame, by this total, air-flow can be fanned certainly in the perforate of the wind inlet of frame and base and be lowered to gas, so more can prevent earial drainage and reduce noise.
The 3rd embodiment
Please refer to Fig. 4 A and 4B, it is the third modified model centrifugal fan that the utility model develops out.Its structure is roughly similar to second embodiment, except the wind inlet diameter of this loam cake contracts in each tool one of corner, edge in big and these several blades than several blade external diameters the breach 426.This total also can prevent earial drainage and reduce noise.
Of the present utility model by in leaf upper end or the lower end increase the fixed flat planar face or fixedly rib change into gas direction and angle to reach the notion that increases air pressure air flow and reduce noise, have the centrifugal fan of fanning frame except can be applicable to above-mentioned three kinds, also can be applicable to general naked fan, embodiment is illustrated in down.
The 4th embodiment
Please refer to Fig. 5 A and 5B, it is the 4th kind of modified model centrifugal fan that the utility model develops out.This centrifugal fan comprises a base 51 and a blade structure 52.This base 51 also has several perforates 511.And this blade structure 52 comprises ring portion 522 on the basal disc 521,, once ring portion 524 and several are located on the blade 523 between the ring portion 522 and this time ring portion 524 on this.This blade structure 52 also comprises 525 one-tenth eddy current shapes arrangements of several ribs and is connected between basal disc 521 and the last ring portion 522.This basal disc 521, ring portion 522 on this, this time ring portion 524, these several ribs 525 can be one of the forming with these several blades 523.This blade structure 52 is to be subjected to the drive (being driven by the motor on the carrier that is disposed at this base) of a rotatingshaft (figure do not show) and to rotate.
This time ring portion 524 is alignd with each blade 523 bottom outer rim, aligns with each blade 523 top inner edge and should go up ring portion 522.The sectional shape of every blade can be arcuation (shown in Fig. 5 A or 5B), strip or different shape such as wavy.Corner, edge in this each blade has the breach 526 that contracts in, also can form breach certainly.In addition, this base has several perforation, makes this base to be fixed on this system framework by these several perforation, or places in the radiating subassembly.
In this embodiment, by being connected in perforate 527 between basal disc 521 tops, several ribs 525 and the last ring portion 522 and several perforates 511 of this base 51, air-flow can be gone into gas by two ends up and down, thereby can effectively reduce noise and increase air quantity, to improve radiating efficiency.
The 5th embodiment
Please refer to Fig. 6 A and 6B, it is the 5th kind of modified model centrifugal fan that the utility model develops out.This centrifugal fan comprises a base 61 and a blade structure 62.This base 61 also has several perforates 611.And this blade structure 62 comprises a basal disc 621, a ring portion 622 and several are located on the blade 623 of this ring portion 622, and wherein this ring portion 622 is to be connected in the inboard central part of every blade.This blade structure 62 also comprises several ribs 624, and it is connected between basal disc 621 and the ring portion 622.This basal disc 621, this ring portion 622, these several ribs 624 can the mode of being one of the forming be formed with these several blades 623.This blade structure 62 is drives (being driven by the motor on the carrier that is disposed at this base (figure does not show)) that are subjected to a rotatingshaft (figure do not show) and rotating.
The sectional shape of every blade can be arcuation, strip or different shape such as wavy.And the corner, edge in this each blade has the breach 626 that contracts in, also can form breach certainly.
In this embodiment, by the hole 625 of 623 in basal disc 621, several ribs 624 and several blades and several perforates 511 of this base 61, air-flow can be gone into gas by two ends up and down, thereby can effectively reduce noise and increase air quantity.
The 6th embodiment
Please refer to Fig. 7 A and 7B figure, it is the 6th kind of modified model centrifugal fan that the utility model develops out.This centrifugal fan comprises a base 71 and a blade structure 72.This base 71 also has several perforates 711.And this blade structure 72 comprise a basal disc 721, a ring portion or annulus 722 and several be located on this annulus 722 on blade 723, wherein this annulus 722 is to be connected in every blade 723 inboard central parts.This basal disc 721, this annulus 722 can one-body molded mode constitute with these several blades 723.This blade structure 72 is drives (being driven by the motor on the carrier that is disposed at this base (figure does not show)) that are subjected to a rotatingshaft (figure do not show) and rotating.
The sectional shape of every blade can be arcuation, strip or different shape such as wavy.And the corner, edge in this each blade has the breach 724 that contracts in, also can form breach certainly.By above-mentioned structure, this embodiment also can effectively reduce noise and increase air quantity.
First, second and third embodiment of above-mentioned the utility model centrifugal fan is all has the housing that is made of loam cake and base; And conception of the present utility model also can be applicable to general naked fan, shown in the 4th, the 5th and the 6th embodiment, only has a base, and in the use, only need be installed on this naked fan in general radiating subassembly or the system framework and get final product.Described above comprehensive, the utility model is by fixed pan or fixing rib, in leaf upper end or the lower end increase platen surface and change into gas direction and angle, to reach the effect that increases air pressure air flow and reduce noise.Therefore, the utility model can effectively solve commonly uses the noise generated excessive puzzlement of fan structure, and then increases blast and air quantity, with effective lifting radiating effect.
Claims (30)
1. fan is used in the radiation system and is driven and rotated by a rotatingshaft, it is characterized in that comprising:
One housing has a base and a loam cake; And
One blade structure is assembled on this base, and this blade structure also comprises:
One basal disc, it is connected in this rotatingshaft and is subjected to this rotatingshaft driven rotary;
Several blades, ring establish be arranged in around this basal disc and be subjected to this basal disc rotation drive and with the radially centrifugal discharge of air-flow towards this rotatingshaft; And
Ring portion on one is formed at the top of these several blades.
2. fan as claimed in claim 1 is characterized in that, ring portion is located on the top outer rim of these several blades on this.
3. fan as claimed in claim 2 is characterized in that, contracts in the disk track of this basal disc and less than the disk track of these several blades.
4. fan as claimed in claim 2 is characterized in that, these several blades align with the outer rim of this basal disc.
5. fan as claimed in claim 2 is characterized in that this loam cake has a wind inlet, and its slightly larger in diameter is in the external diameter of these several blades.
6. fan as claimed in claim 1 is characterized in that, ring portion on this is located on the top inner edge of these several blades.
7. fan as claimed in claim 6 is characterized in that this blade structure also comprises several ribs, is connected on this between the ring portion and this basal disc top.
8. fan as claimed in claim 7 is characterized in that, these several ribs are eddy current shape or radial arrangement.
9. fan as claimed in claim 6 is characterized in that the bottom of this basal disc has ring portion, and these several blades connect and ring is established and is arranged on this between the ring portion and this time ring portion.
10. fan as claimed in claim 9 is characterized in that, this time ring portion is alignd with each blade bottom outer rim, aligns with each vane tip inner edge and should go up ring portion.
11. fan as claimed in claim 6 is characterized in that, the wind inlet diameter of this loam cake is littler than these several blade external diameters.
12., it is characterized in that the sectional shape of every blade of these several blades is arcuation, strip or wavy as the arbitrary described fan of claim 1 to 11.
13. fan as claimed in claim 12 is characterized in that, breach contracts in each tool one of the corner, edge of these several blades.
14. fan as claimed in claim 13 is characterized in that, the wind inlet diameter of this loam cake is bigger than these several blade external diameters.
15. fan as claimed in claim 1 is characterized in that, this base has several perforates, and when this fan running, external air-flow can be lowered to gas on the wind inlet of several perforates of this base and this loam cake.
16. a fan is used in the radiation system and is driven and rotated by a rotatingshaft, it is characterized in that comprising:
One base; And
One blade structure is assembled on this base, and this blade structure also comprises:
One basal disc, it is connected in this rotatingshaft and by this rotatingshaft rotary driving;
Several blades, ring are established and are arranged in around this basal disc and are subjected to the drive of this basal disc rotation and make the radially centrifugal discharge of air-flow towards this rotatingshaft; And
One first ring portion is located on this basal disc and is connected on every side and with these several blades.
17. fan as claimed in claim 16 is characterized in that, this first ring portion is located on the top outer rim of these several blades.
18. fan as claimed in claim 16 is characterized in that, the disk track of this basal disc contracts in being and less than the disk track of these several blades.
19. fan as claimed in claim 16 is characterized in that, these several blades align with the outer rim of this basal disc.
20. fan as claimed in claim 16 is characterized in that, this first ring portion is located on the top inner edge of these several blades.
21. fan as claimed in claim 16 is characterized in that, this blade structure also comprises several ribs, is connected between this first ring portion and this basal disc top.
22. fan as claimed in claim 17 is characterized in that, these several ribs are the eddy current shape and arrange.
23. fan as claimed in claim 16 is characterized in that, the bottom of this blade structure also has one second ring portion, and these several blades connections and ring are established and be arranged between this first ring portion and this second ring portion.
24. fan as claimed in claim 23 is characterized in that, this second ring portion is alignd with each blade bottom outer rim, and this first ring portion is alignd with each vane tip inner edge.
25. fan as claimed in claim 16 is characterized in that, this base has several perforates, and when this fan running, external air-flow can be from being lowered to gas on the space between several perforates of this base and this first ring portion and this basal disc top.
26. fan as claimed in claim 16 is characterized in that, this first ring portion is located on the inboard central part of these several blades.
27. fan as claimed in claim 26 is characterized in that, this blade structure comprises that also several ribs are connected between this first ring portion and this basal disc.
28. fan as claimed in claim 16 is characterized in that, the bottom of this basal disc is an annulus, and this annulus is connected in the inboard central part of these several blades.
29., it is characterized in that the sectional shape of every blade of these several blades can be arcuation, strip or wavy as the arbitrary described fan of claim 16 to 28.
30. fan as claimed in claim 29 is characterized in that, breach contracts in each tool one of the corner, edge of these several blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01269696 CN2532285Y (en) | 2001-12-12 | 2001-12-12 | Fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01269696 CN2532285Y (en) | 2001-12-12 | 2001-12-12 | Fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2532285Y true CN2532285Y (en) | 2003-01-22 |
Family
ID=33675527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01269696 Expired - Lifetime CN2532285Y (en) | 2001-12-12 | 2001-12-12 | Fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2532285Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101007B (en) * | 2006-07-05 | 2010-05-12 | 台达电子工业股份有限公司 | Fan with vibration function |
| CN102207096A (en) * | 2010-03-30 | 2011-10-05 | 建准电机工业股份有限公司 | Radiating fan |
| CN101435438B (en) * | 2007-11-16 | 2012-06-13 | 富准精密工业(深圳)有限公司 | Fan base and heat radiation fan using the same |
| CN102518604A (en) * | 2007-09-21 | 2012-06-27 | 富准精密工业(深圳)有限公司 | Centrifugal fan |
| CN102878093B (en) * | 2003-11-18 | 2015-04-22 | 台达电子工业股份有限公司 | Centrifugal fan |
-
2001
- 2001-12-12 CN CN 01269696 patent/CN2532285Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878093B (en) * | 2003-11-18 | 2015-04-22 | 台达电子工业股份有限公司 | Centrifugal fan |
| CN101101007B (en) * | 2006-07-05 | 2010-05-12 | 台达电子工业股份有限公司 | Fan with vibration function |
| CN102518604A (en) * | 2007-09-21 | 2012-06-27 | 富准精密工业(深圳)有限公司 | Centrifugal fan |
| CN102518604B (en) * | 2007-09-21 | 2014-03-26 | 富准精密工业(深圳)有限公司 | Centrifugal fan |
| CN101435438B (en) * | 2007-11-16 | 2012-06-13 | 富准精密工业(深圳)有限公司 | Fan base and heat radiation fan using the same |
| CN102207096A (en) * | 2010-03-30 | 2011-10-05 | 建准电机工业股份有限公司 | Radiating fan |
| CN102207096B (en) * | 2010-03-30 | 2013-09-04 | 建准电机工业股份有限公司 | Radiating fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |