CN2553151Y - Horizontal convection fan structure - Google Patents
Horizontal convection fan structure Download PDFInfo
- Publication number
- CN2553151Y CN2553151Y CN 02234796 CN02234796U CN2553151Y CN 2553151 Y CN2553151 Y CN 2553151Y CN 02234796 CN02234796 CN 02234796 CN 02234796 U CN02234796 U CN 02234796U CN 2553151 Y CN2553151 Y CN 2553151Y
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- Prior art keywords
- exhaust outlet
- wind inlet
- fan
- fan structure
- shell block
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Abstract
The utility model relates to a horizontal convection fan structure, which comprises a casing seat and a centrifugal blast fan wheel. The casing seat is provided with an air inlet and an air outlet which are horizontally and correspondingly connected through a horizontal air current channel, the centrifugal blast fan wheel is arranged at the horizontal air current channel, and the centrifugal blast fan wheel is chosen to be arranged at the corresponding or non-corresponding position with the center of the casing seat. The utility model has the advantages of gaining the flow efficiency of the air current.
Description
Technical field
The utility model is the fan structure about a kind of advection, particularly connect through horizontal gas flow passage correspondence relevant for wind inlet and exhaust outlet, and utilize centrifugal air blast flabellum (centrifugal blowerblade) to drive horizontal gas flow so that in the air-flow path of limited height the gain level air-flow
Background technique
Traditional fan adopts mostly and sets into the air port at the top, sets out the air port at side, and so fan must be reserved the space of a suitable height at the top, so that air inlet.So the thickness of fan can't effectively reduce, thereby be not suitable for specific electronic equipment, for example notebook computer
The utility model patent of No. 471660 " thin fan " of Taiwan patent gazette is characterized in that wind inlet and exhaust outlet are to be formed on wantonly two sidewalls of pedestal, and the height of this wind inlet and exhaust outlet has potential difference, as shown in Figure 1-Figure 3,
Consult shown in Figure 1ly, the both sides of the shell block 10 of fan 1 are provided with wind inlet 11 and exhaust outlet 12, and wind inlet 11 and exhaust outlet 12 have height difference, make this wind inlet 11 be higher than exhaust outlet 12.
Consult shown in Figure 2ly, axial flow flabellum (axial propeller blade) 13 is arranged between wind inlet 11 and the exhaust outlet 12.Because the height difference of this wind inlet 11 and exhaust outlet 12 makes the base plate of this pedestal 10 thicker at wind inlet 11, and is thinner at exhaust outlet 12, make both be formed with the height potential difference.Because this wind inlet 11 and exhaust outlet 12 are provided with height difference, not only increase the complex structure of this pedestal 10, and this height difference causes directly the corresponding and reduction air-flow efficient of level.Simultaneously, this height difference obviously also increases the total thickness of this fan 1, does not therefore meet the Design trend that reduce fan 1 integral thickness own
Consult shown in Figure 2, this axial flow flabellum 13 is to carry out the vertical drive air-flow on the horizontal plane between this wind inlet 11 and the exhaust outlet 12, obviously this vertical drive air-flow reduces the flow efficiency of horizontal gas flow between this wind inlet 11 of level and exhaust outlet 12, so the flow efficiency of the air-flow that driven of this fan 1 is not good.
Consult shown in Figure 3, this fan 1 is assembled in a notebook computer 2, the wind inlet 11 of this fan 1 and exhaust outlet 12 are only corresponding to a wind inlet 21 and an exhaust outlet 22 of a housing 20, so the heat that other electron components are produced in this notebook computer 2 then can't suitably be discharged.
Summary of the invention
The utility model main purpose provides a kind of fan structure of advection, improves wind inlet and exhaust outlet are connected through horizontal gas flow passage correspondence, and utilizes centrifugal blowing-type flabellum to drive horizontal gas flow, reaches the purpose of the flow efficiency of gain air-flow.
The utility model second purpose provides a kind of fan structure of advection, drives horizontal gas flow in the horizontal gas flow passage by centrifugal blowing-type flabellum, reaches the purpose of the mobile effect of gain air-flow.
The 3rd purpose of the present utility model provides a kind of fan structure of advection, the center of position deviation shell block is set and near exhaust outlet, reaches the purpose of the mobile effect of gain level air-flow by centrifugal blowing-type flabellum.
The purpose of this utility model is achieved in that a kind of fan structure of advection, puies forward feature to be: shell block comprises at least one wind inlet and exhaust outlet, connects through the direct level of horizontal gas flow passage between this wind inlet and the exhaust outlet; Centrifugal air blast impeller is arranged in this horizontal gas flow passage.
This shell block top is coated with cover plate.This wind inlet and exhaust outlet are located at the side of this shell block.This centrifugal air blast impeller is provided with the center of this shell block and becomes corresponding.This centrifugal air blast impeller is provided with the center of this shell block of skew.This centrifugal air blast impeller is arranged near this exhaust outlet.
Describe in detail below in conjunction with the preferred embodiment conjunction with figs..
Description of drawings
Fig. 1 is the schematic perspective view of conventional fan.
Fig. 2 is the partial schematic sectional view of conventional fan.
Fig. 3 is the schematic representation that conventional fan is used in notebook computer.
Fig. 4 is the decomposing schematic representation of fan structure of the present utility model.
Fig. 5 is the partial schematic sectional view of fan structure of the present utility model.
Fig. 6 is the schematic representation that fan structure of the present utility model is used in notebook computer.
Fig. 7 is the decomposing schematic representation of the utility model embodiment 2 fan structure.
Fig. 8 is the partial schematic sectional view of the utility model embodiment 2 fan structure.
Fig. 9 is the schematic representation that the utility model embodiment 2 fan structure is used in notebook computer.
Embodiment
Consult Fig. 4-shown in Figure 6, the fan 3 of advection of the present utility model comprises a shell block 30 and a centrifugal air blast impeller 35.This shell block 30 is preferably conductive structure, its can in order to be attached at heating source [CPU) dispel the heat.The sidewall of this shell block 30 is provided with two wind inlets 31 and two exhaust outlets 32, and equidistantly is surrounded on the center 33 of shell block 30.This wind inlet 31 and exhaust outlet 32 are through a horizontal gas flow passage corresponding connection of 34 direct levels.Should place this horizontal gas flow passage 34 by centrifugal air blast impeller 35, the center 33 of the center of this centrifugal air blast impeller 35 and this shell block 30 is corresponding on the vertical reference line.In addition, this fan 3 can be selected to be provided with a cover plate (figure do not show) or cover plate is not set, if when cover plate not being set, can utilize the housing of notebook computer to form cover plate.
Consult shown in Figure 6, this fan 3 is assembled in a notebook computer 4, the wind inlet 31 of this fan 3 is corresponding to a housing 40 inside, 32 two exhaust outlets 41 corresponding to this housing 40 of the exhaust outlet of this fan 3 are so the heat that other electron component produced in this notebook computer 4 can suitable smooth and easy discharge.
Consult Fig. 4-shown in Figure 6 again, when this centrifugal air blast impeller 35 begins to rotate, be expelled to outside this housing 40 by this exhaust outlet 32 by a part of centrifugal flow that should centrifugal air blast impeller 35 drivings.Then, after the centrifugal air blast of these centrifugal 35 rotation a period of times of air blast impeller, can produce gas pressure difference between this wind inlet 31 and the exhaust outlet 32, make air-flow produce convection current along this horizontal gas flow passage 34 between this wind inlet 31 and exhaust outlet 32, the heat that the other electron component [figure does not show] in this notebook computer 4 is produced is expelled to outside this housing 40 through this wind inlet 31 and exhaust outlet 32.
Consult Fig. 7-shown in Figure 9, the fan 3 of the advection of preferred embodiment 2 of the present utility model comprises a shell block 30 and a centrifugal air blast impeller 35.This shell block 30 is provided with the center 33 that two wind inlets 31 and two exhaust outlets 32 equidistantly are surrounded on shell block 30.This wind inlet 31 and exhaust outlet 32 are through a horizontal gas flow passage corresponding connection of 34 direct levels.The center of this centrifugal air blast impeller 35 is not corresponding with the center 33 of this shell block 30, and it is offset intended distance one-tenth near exhaust outlet 32.
When this centrifugal air blast impeller 35 began to rotate, the centrifugal flow that is driven by this centrifugal air blast impeller 35 easily was expelled to outside this housing 40 by this exhaust outlet 32.So, the gas in this notebook computer 4 enters from these wind inlet 31 natural convections, again by being expelled to outside this housing 40 by this exhaust outlet 32.
The utility model major advantage compared with the prior art is:
1, comparison diagram 1 and Fig. 4 and shown in Figure 7, the shell block 10 of traditional fan 1 is provided with wind inlet 11 and exhaust outlet 12, and both have the height difference of complex structure, utilize axial-flow leaf to drive air-flow, exist and reduce the defective that drives air-flow efficient; And the shell block 30 of fan 3 of the present utility model is provided with wind inlet 31 and exhaust outlet 32, and both levels are corresponding to be connected, and adopts centrifugal air blast impeller 35 to drive air-flow, so the utility model has the efficient of promoting horizontal gas flow than conventional construction.
2, comparison diagram 3 and Fig. 6 and shown in Figure 9, during application, the wind inlet 11 of conventional fan 1 and exhaust outlet 12 be fully corresponding to the wind inlet 21 and the exhaust outlet 22 of the both sides of notebook computer 2, makes fan 1 can't take heat in this notebook computer 2 out of, thereby reduce integral heat sink efficient; And the wind inlet 31 of the utility model fan 3 is corresponding to the inside of notebook computer 4,32 of its exhaust outlets corresponding to the exhaust outlet 41 of this notebook computer 4 to promote integral heat sink efficient.
Though the utility model discloses with preferred embodiment; so it is not in order to limit protection domain of the present utility model; anyly have the knack of this skill person, various changes and the modification done in not breaking away from spirit and scope of the present utility model all belongs within the protection domain of the present utility model.
Claims (6)
1, a kind of fan structure of advection is characterized in that: shell block comprises at least one wind inlet and exhaust outlet, connects through the direct level of horizontal gas flow passage between this wind inlet and the exhaust outlet; Centrifugal air blast impeller is arranged in this horizontal gas flow passage.
2, the fan structure of advection according to claim 1 is characterized in that: this shell block top is coated with cover plate.
3, the fan structure of advection according to claim 1 is characterized in that: this wind inlet and exhaust outlet are located at the side of this shell block.
4, the fan structure of advection according to claim 1 is characterized in that: this centrifugal air blast impeller is provided with the center of this shell block and becomes corresponding.
5, the fan structure of advection according to claim 1 is characterized in that: this centrifugal air blast impeller is provided with the center of this shell block of skew.
6, the fan structure of advection according to claim 5 is characterized in that: this centrifugal air blast impeller is arranged near this exhaust outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02234796 CN2553151Y (en) | 2002-05-20 | 2002-05-20 | Horizontal convection fan structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02234796 CN2553151Y (en) | 2002-05-20 | 2002-05-20 | Horizontal convection fan structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2553151Y true CN2553151Y (en) | 2003-05-28 |
Family
ID=33709485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02234796 Expired - Lifetime CN2553151Y (en) | 2002-05-20 | 2002-05-20 | Horizontal convection fan structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2553151Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102740658A (en) * | 2011-04-08 | 2012-10-17 | 建准电机工业股份有限公司 | Heat radiation system with horizontal convection fan |
| CN103195723A (en) * | 2012-01-04 | 2013-07-10 | 建准电机工业股份有限公司 | horizontal convection fan |
-
2002
- 2002-05-20 CN CN 02234796 patent/CN2553151Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102740658A (en) * | 2011-04-08 | 2012-10-17 | 建准电机工业股份有限公司 | Heat radiation system with horizontal convection fan |
| CN103195723A (en) * | 2012-01-04 | 2013-07-10 | 建准电机工业股份有限公司 | horizontal convection fan |
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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: 20120520 Granted publication date: 20030528 |