CN2699024Y - Turbulence fan device - Google Patents
Turbulence fan device Download PDFInfo
- Publication number
- CN2699024Y CN2699024Y CN 200420059387 CN200420059387U CN2699024Y CN 2699024 Y CN2699024 Y CN 2699024Y CN 200420059387 CN200420059387 CN 200420059387 CN 200420059387 U CN200420059387 U CN 200420059387U CN 2699024 Y CN2699024 Y CN 2699024Y
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- CN
- China
- Prior art keywords
- exhaust outlet
- centrifugal flabellum
- fan device
- shell
- air
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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.)
- Expired - Lifetime
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Abstract
The utility model discloses a turbulence fan device which is applied to a notebook computer. By the utility model collocated with a radiation fin, the heat in a housing is removed. The turbulence fan device comprises centrifugal blades and the housing. The centrifugal blades are fixed on the rotor of a motor, and the housing makes the motor fixed in the housing and surrounds the centrifugal blades in the housing. The housing comprises an air inlet, an air outlet and two arc sections; the air inlet is positioned in the axial direction of the centrifugal blades, and the air outlet is positioned in the radial direction of the centrifugal blades. The two arc sections are respectively positioned on the near-end side and the remote end side of the housing positioned on the radial face of the centrifugal blades, the distance from a cambered inflection point at the remote end side to the air outlet is bigger than the distance from the cambered inflection point at the near-end side to the air outlet, thus making the air ventilation strength of the air outlet more even.
Description
Technical field
The utility model relates to a kind of turbulent flow fan (turbulent blower) device, and particularly relevant for a kind of turbulent wind fan device that is applied in the notebook computer.
Background technique
Because the fast lifting of semiconductor technology, the usefulness of CPU, DRAM and VGA obviously promotes, and makes notebook computer expand to household electrical appliances and the audio-visual multi-media information product that combines.And in order to improve its portability, each family all is devoted to alleviate board weight and reduces integral thickness.But roll up in electronic component computing action, under the compressed again dual restriction of inside usage space, the notebook computer temperature is too high to become the problem that the anxious desire of present MANUFACTURER solves.
The turbulent flow fan is to be usually used in being used in the Laptop case device that dispels the heat at present.With reference to Figure 1A and Figure 1B, its show respectively known be applied in the notebook computer a kind of turbulent flow fan on look schematic representation and along the side schematic view of O-O hatching line.Normal collocation of turbulent wind fan pass and heat radiation subject matter next-door neighbour's radiating fin 16 is to increase the efficient of heat radiation.The turbulent flow fan is characterised in that the gap (d of its centrifugal flabellum 14 and its shell 12
1, d
2, d
3) distance can be different and different with the position, d wherein for example
3Greater than d
2, and d
2Again greater than d
1And the streamer mode of turbulent flow fan is axially air-breathing (flows to 18 or flow to 20) by centrifugal flabellum 14, from blow gas's (flowing to 22) radially.Yet shown in Figure 1A, when the centrifugal flabellum 14 of turbulent flow fan was rotated counterclockwise, the current rate of its exhaust outlet differed, wherein air-flow F
1Greater than air-flow F
4, air-flow F
4Greater than air-flow F
2, air-flow F
2Greater than air-flow F
3Known turbulent flow fan outlet blows out the even gas of mass flow discrepancy, not only can make radiating efficiency relatively poor, and stronger air-flow F
1When flowing through radiating fin 16, be easy to generate bigger noise.
Therefore, the structure research staff of the big factory of notebook computer must propose effective solution at this problem.
The model utility content
Therefore the purpose of this utility model provides a kind of turbulent wind fan device that is applied in the notebook computer, in order to improve the uniformity of turbulent wind fan-out monsoon intensity.
According to above-mentioned purpose of the present utility model, a kind of turbulent wind fan device that is applied to notebook computer is proposed.This turbulent wind fan device comprises centrifugal flabellum and shell.Centrifugal flabellum is fixed on the rotor of motor, and shell is fixed in motor wherein, and centrifugal flabellum is surrounded in it.The design of this shell comprises wind inlet, exhaust outlet and two curved portions.Wind inlet is positioned at the axial of this centrifugal flabellum; And exhaust outlet is positioned at centrifugal flabellum radially.Two curved portions are positioned at proximal lateral and the distal side that shell is in the sagittal plane of centrifugal flabellum respectively, and the arc turning point of distal side apart from the distance of exhaust outlet greater than the arc turning point of proximal lateral distance apart from exhaust outlet, more even so as to the production well capacity that makes exhaust outlet.
For this reason, the utility model provides a kind of turbulent wind fan device, and it is applied in the notebook computer, and described turbulent wind fan device comprises at least: a centrifugal flabellum; And a shell, it is surrounded on described centrifugal flabellum in it, described shell comprises at least: a wind inlet, its be positioned at described centrifugal flabellum axially; One exhaust outlet, it is positioned at described centrifugal flabellum radially; And two arcuate structure, it lays respectively at proximal lateral and distal side that described shell is in the sagittal plane of described centrifugal flabellum, and the distance of the described exhaust outlet of arc turning point distance of wherein said distal side is greater than the distance of the described exhaust outlet of arc turning point distance of described proximal lateral.
For this reason, the utility model also provides a kind of turbulent wind fan device, and it is applied in the notebook computer, and described turbulent wind fan device comprises at least: a centrifugal flabellum; And a shell, it is surrounded on described centrifugal flabellum in it, described shell comprises at least: a wind inlet, its be positioned at described centrifugal flabellum axially; And an exhaust outlet, it is positioned at described centrifugal flabellum radially, and described exhaust outlet is divided into proximal lateral air-outlet part and distal side air-outlet part, and the interior span of the shell of wherein said proximal lateral air-outlet part is greater than the interior span of described distal side air-outlet part.
According to preferred embodiment of the present utility model, this turbulent wind fan device more can be by dwindling the interior span of distal side exhaust outlet, and increase span in the exhaust outlet of proximal lateral simultaneously, in order to the intensity of balance exhaust outlet air-flow.
From the above, use turbulent flow fan of the present utility model and can realize the uniform target of exhaust outlet air-flow by change housing designs or exhaust outlet design.The exhaust outlet air-flow makes not only that evenly the heat radiation function of radiating fin is better, and avoids because of the excessive noise problem that causes of local air-out.
Description of drawings
For above-mentioned and other purposes of the present utility model, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:
What Figure 1A and Figure 1B were shown is the front schematic view and the side schematic view of the turbulent flow fan that is used for notebook computer of prior art;
Fig. 2 A is shown is schematic representation according to a kind of turbulent flow fan of the utility model one preferred embodiment; And
Fig. 2 B is shown is sectional drawing according to a kind of turbulent flow fan opening of the utility model one preferred embodiment; And
Fig. 2 C is shown is shell schematic representation according to a kind of turbulent flow fan of the utility model one preferred embodiment.
Description of reference numerals:
12: shell
14: centrifugal flabellum
15: motor
16: radiating fin
18/20/22: flow to
24: the distal side
25: the distal side exhaust outlet
26: the proximal lateral
27: the proximal lateral exhaust outlet
28: the distal side turning point
30: the proximal lateral turning point
34: the air-out oral area
36: sector part
38: the inlet air opening
d
1/ d
2/ d
3: stand-off distance between centrifugal fan and shell
d
4/ d
5: span in the exhaust outlet
Embodiment
More even for the air-flow that blows out that makes the turbulent flow fan, the utility model is guided the air-flow that centrifugal flabellum drives by the shell of redesign turbulent flow fan, can blow out from exhaust outlet uniformly.In addition, also by revising the design of exhaust outlet, attempt blows out air-flow to the utility model more uniformly from exhaust outlet.Below will details of the present utility model be described by embodiment.
Please refer to Fig. 2 A, its demonstration be schematic representation according to a kind of turbulent flow fan of the utility model one preferred embodiment.The centrifugal flabellum 14 of this figure is looked schematic representation on radially.The turbulent flow fan comprises the shell 12 and the centrifugal flabellum 14 of a scalloped shaped.Centrifugal flabellum 14 is fixed on the rotor of a motor 15 (being shown among Fig. 2 B), and motor is fixed in the shell 12 of scalloped shaped.The centrifugal flabellum 14 of turbulent flow fan differs apart from the gap of shell 12 both sides, shell 12 thereby be divided into proximal lateral 26 and distal side 24.Proximal lateral 26 is the nearer sides of the centrifugal flabellum of distance 14, and distal side 24 then is the centrifugal flabellum of distance 14 side far away.Present embodiment in the proximal lateral 26 and distal side 24 design arc or curvilinerar figure exhaust outlet respectively so that air-flow is blown out from exhaust outlet more uniformly.
Please refer to Figure 1A and Fig. 2 A, the difference of two figure is that Fig. 2 A more than 24 designs an arc in the distal side, in order to reduce air-flow F
1Intensity, increase air-flow F simultaneously
2, F
3, F
4Intensity.Because centrifugal flabellum 14 is nearer near distolateral 26, so the arc turning point 28 of distal side 24 needs greater than the arc turning point 30 of proximal lateral 26 distance apart from this exhaust outlet apart from the distance of exhaust outlet, could balance air-flow F
1, F
2, F
3, F
4Intensity.
In addition, blow out from exhaust outlet more uniformly in order to make air-flow, present embodiment is also realized this purpose by the design of revising exhaust outlet.Please refer to Fig. 2 B, shown among the figure is sectional drawing according to a kind of turbulent flow fan opening of the utility model one preferred embodiment.This figure is the sectional drawing of cutting open along the P-P hatching among Fig. 2 A.By span d in the exhaust outlet that dwindles distal side exhaust outlet 25
5, and increase span d in the exhaust outlet of proximal lateral exhaust outlet 27 simultaneously
4, in order to balance air-flow F
1, F
2, F
3, F
4Intensity.
The design in the disclosed air port of Fig. 2 B can be arranged in pairs or groups and use or use separately as the disclosed design of Fig. 2 A, and vice versa.
Please refer to Fig. 2 C, shown among the figure is shell schematic representation according to a kind of turbulent flow fan of the utility model one preferred embodiment.The scalloped shaped shell 12 of turbulent flow fan comprises a sector part 36 and an air-out oral area 34, and wherein sector part 36 is an imperfect circle or arcs.Sector part 36 can be had an opening 38 or two openings (laying respectively at the axial upper and lower both sides of centrifugal flabellum 14), and centrifugal flabellum 14 is positioned at the eccentric position (the non-center of circle or apart from two lateral extent differences of sector part shell 36) of sector part.
By above-mentioned the utility model preferred embodiment as can be known, use turbulent flow fan of the present utility model and can realize the uniform target of exhaust outlet air-flow by change housing designs or exhaust outlet design.The exhaust outlet air-flow makes not only that evenly the heat radiation function of radiating fin is better, and avoids because of the excessive noise problem that causes of local air-out.
Though the utility model with a preferred embodiment openly as above; yet; it is not in order to limit the utility model; those skilled in the art; under the prerequisite that does not break away from spirit and scope of the present utility model; certainly can do various changes and retouching, therefore protection domain of the present utility model also should comprise above-described change and retouching.
Claims (9)
1. turbulent wind fan device, it is applied to it is characterized in that in the notebook computer that described turbulent wind fan device comprises at least:
One centrifugal flabellum; And
One shell, it is surrounded on described centrifugal flabellum in it,
Described shell comprises at least:
One wind inlet, it is positioned at the axial of described centrifugal flabellum;
One exhaust outlet, it is positioned at described centrifugal flabellum radially; And
Two arcuate structures, it lays respectively at proximal lateral and distal side that described shell is in the sagittal plane of described centrifugal flabellum, and the distance of the described exhaust outlet of arc turning point distance of wherein said distal side is greater than the distance of the described exhaust outlet of arc turning point distance of described proximal lateral.
2. turbulent wind fan device as claimed in claim 1 is characterized in that, described exhaust outlet is divided into proximal lateral exhaust outlet and distal side exhaust outlet, and the interior span of the shell of wherein said proximal lateral exhaust outlet is greater than the interior span of described distal side exhaust outlet.
3. turbulent wind fan device as claimed in claim 1 is characterized in that, described shell is a scalloped shaped in the section radially of described centrifugal flabellum, and described scalloped shaped comprises a sector part and an air-out oral area.
4. turbulent wind fan device as claimed in claim 3 is characterized in that, described sector part is an imperfect circle, and described centrifugal flabellum is positioned at the eccentric position of described sector part.
5. turbulent wind fan device as claimed in claim 3 is characterized in that, described sector part is an arc, and described centrifugal flabellum is positioned at the eccentric position of described sector part.
6. turbulent wind fan device, it is applied to it is characterized in that in the notebook computer that described turbulent wind fan device comprises at least:
One centrifugal flabellum; And
One shell, it is surrounded on described centrifugal flabellum in it,
Described shell comprises at least:
One wind inlet, it is positioned at the axial of described centrifugal flabellum; And
One exhaust outlet, it is positioned at described centrifugal flabellum radially, and described exhaust outlet is divided into proximal lateral air-outlet part and distal side air-outlet part, and the interior span of the shell of wherein said proximal lateral air-outlet part is greater than the interior span of described distal side air-outlet part.
7. turbulent wind fan device as claimed in claim 6 is characterized in that, described shell is a scalloped shaped in the section radially of described centrifugal flabellum, and described scalloped shaped comprises a sector part and an air-out oral area.
8. turbulent wind fan device as claimed in claim 7 is characterized in that, described sector part is an arc, and described centrifugal flabellum is positioned at the eccentric position of described sector part.
9. turbulent wind fan device as claimed in claim 7 is characterized in that, described sector part is an imperfect circle, and described centrifugal flabellum is positioned at the eccentric position of described sector part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420059387 CN2699024Y (en) | 2004-05-21 | 2004-05-21 | Turbulence fan device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420059387 CN2699024Y (en) | 2004-05-21 | 2004-05-21 | Turbulence fan device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2699024Y true CN2699024Y (en) | 2005-05-11 |
Family
ID=34777323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420059387 Expired - Lifetime CN2699024Y (en) | 2004-05-21 | 2004-05-21 | Turbulence fan device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2699024Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968160A (en) * | 2012-11-07 | 2013-03-13 | 浪潮电子信息产业股份有限公司 | Method for reducing noise of server based on silencer |
| CN112012938A (en) * | 2020-08-27 | 2020-12-01 | 苏州亿利安机电科技有限公司 | Air extraction method of direct-reading dust detector |
-
2004
- 2004-05-21 CN CN 200420059387 patent/CN2699024Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968160A (en) * | 2012-11-07 | 2013-03-13 | 浪潮电子信息产业股份有限公司 | Method for reducing noise of server based on silencer |
| CN112012938A (en) * | 2020-08-27 | 2020-12-01 | 苏州亿利安机电科技有限公司 | Air extraction method of direct-reading dust detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140521 Granted publication date: 20050511 |