CN102137581B - Double-fan heat-dissipating device - Google Patents
Double-fan heat-dissipating device Download PDFInfo
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- CN102137581B CN102137581B CN201010001060.7A CN201010001060A CN102137581B CN 102137581 B CN102137581 B CN 102137581B CN 201010001060 A CN201010001060 A CN 201010001060A CN 102137581 B CN102137581 B CN 102137581B
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Abstract
The invention discloses a double-fan heat-dissipating device applied to a circuit board. The double-fan heat-dissipating device comprises a heat-dissipating module, a fan cover, a first fan, a second fan and a separating component. The fan cover is provided with a cover plate. The lower wall of the cover plate faces to the heat-dissipating module and the cover plate is provided with a first through hole and a second through hole. The first fan is arranged on the fan cover in an aslant way and in the first through hole. The second fan is arranged on the fan cover in an aslant way and in the second through hole. The virtual axis of a rotating center of the second fan and the virtual axis of a rotating center of the first fan are intersected outside the upper wall of the cover plate. The separating component is arranged in the fan cover and between the first through hole and the second through hole. The separating component separates the first fan from the second fan.
Description
Technical field
The present invention is relevant with the heat abstractor of circuit board or electronic installation, particularly relates to the double-fan radiation device of the structural design with relatively tilting fan.
Background technology
Along with development in science and technology is maked rapid progress, electronic installation uses the integrated circuit of more high-order to promote its operational capability, becomes trend.But when integrated circuit performs computing, this integrated circuit can produce a large amount of heat energy, this need be assisted cooling integrated by heat abstractor, this heat abstractor comprises the design of single fan and double fan at present, with double fan, have the multiple practice at present, such as:
TaiWan, China No. 587769 " heat abstractor " Patent Case discloses one to install a heat abstractor on a heat generating component, and this heat abstractor comprises the practice of more than one supply fan and an air ejector fan;
TaiWan, China No. 200644780 " double-fan heat radiation module " Patent Case discloses a kind of double-fan heat radiation module, and this double-fan heat radiation module is the practice one first centrifugal fan and one second centrifugal fan are housed in side by side in a shell;
TaiWan, China No. 545104 " heat abstractor " Patent Case discloses a kind of heat abstractor to arrange one first fan and one second fan, the practice of arrange in pairs or groups multiple heat pipe and multiple fin;
TaiWan, China No. 577582 " two radiating module structure " Patent Case discloses one one main heat abstractor and a secondary heat abstractor to be serially connected through some heat pipes, and this main heat abstractor and this attached heat abstractor comprise the practice of a fan and a fins group respectively;
TaiWan, China No. 200410626 " electronic building brick heat abstractor " Patent Case discloses a kind of practice of setting up the 3rd fin between one first fan and one second fan;
TaiWan, China No. M245506 " computer host radiator of forced exhaust type " Patent Case be disclose a kind of by one first fan and one second fan respectively device in the practice of a radiating component in one first side and one second side;
The practice of above-mentioned identical or these 587769,200644780,545104,577582,200410626 and No. 200410626 Patent Cases similar is with the setting of level by two fans.As for the cooling mechanism that the wherein one of this M245506 patent diselosesll two fan is obliquely installed, but still be only confined to the two opposite sides two fans being separately positioned on cooling mechanism.
Summary of the invention
The invention provides a kind of new double-fan radiation device, this double-fan radiation device uses on circuit boards.This double-fan radiation device comprises a radiating module, a fan housing, one first fan, one second fan and a separator.This fan housing covers this radiating module, this fan housing comprises a cover plate and a separator, the lower wall of this cover plate is the top in the face of this radiating module, and this cover plate has one first through hole and one second through hole that run through its upper and lower wall, this separator be position between this first through hole and this second through hole, this separator is extended towards this radiating module by the lower wall of this cover plate; This first fan is arranged on this fan housing obliquely, and position is in this first through hole; Second fan is arranged on this fan housing obliquely, and position is in this second through hole, and the virtual axes intersect of the virtual axis of the pivot of this second fan and the pivot of this first fan is outside the upper wall of this cover plate; This separator is arranged in this fan housing and position between this first through hole and this second through hole, and this separator intercepts this first fan and this second fan.
Preferably, this first fan arranges with one first angular slope, and this first angle is the angle bottom the virtual axis of the pivot of this first fan and this radiating module; This second fan arranges with one second angular slope, and this second angle is the angle bottom the virtual axis of the pivot of this second fan and this radiating module.
Preferably, this radiating module to be arranged side by side with interval by multiple fin to be formed, and each fin comprises one first hypotenuse and one second hypotenuse, respectively in the face of this first fan and this second fan, and this first hypotenuse complies with this first fan, this second hypotenuse complies with this second fan.
Compared to prior art, the invention provides a kind of double-fan radiation device, is be obliquely installed with facing by two radiator fans, improves produce between this first fan and this second fan invalid distinguished and admirable, improves the radiating efficiency of heat abstractor.Moreover owing to being provided with separator between this first fan and this second fan, this separator also can stop disturbing flow mutual between two fans, and the noise of disturbing flow generation can be reduced.
More summary of the invention and effect thereof, by exposure in explanation subsequently.
Accompanying drawing explanation
Fig. 1 indicates the schematic diagram according to a double-fan radiation device of a preferred embodiment of the present invention.
Fig. 2 is the fan housing of sign picture 1 and the explosive view of the first fan and the second fan.
Fig. 3 is the schematic diagram of the radiating module of sign picture 1.
Fig. 4 is the explosive view of the double-fan radiation device of sign picture 1.
Fig. 5 is the application schematic diagram indicating this double-fan radiation device of the present invention.
Embodiment
Fig. 1 shows the preferred example of a double-fan radiation device of the present invention, and this double-fan radiation device 1 uses on the circuit board 2, and this double-fan radiation device 1 comprises fan housing 3,1 first fan 4,1 second fan 5, radiating module 6 and a separator 31.This circuit board 2 can be display card or motherboard etc.This first fan 4 and this second fan 5 are preferably aerofoil fan, but not as limit.
Fig. 2 indicates the schematic diagram of this fan housing 3 of this double-fan radiation device 1 of the present invention.This fan housing 3 covers this radiating module 6, and this fan housing 3 has a cover plate 30, and the lower wall 300 of this cover plate 30 is the tops in the face of this radiating module 6, and this cover plate 30 has one first through hole 302 and one second through hole 303 running through its upper wall 301 and lower wall 300.
This separator 31 is arranged in this fan housing 3 and position between this first through hole 302 and this second through hole 303, and this separator 31 intercepts this first fan 4 and this second fan 5.
In this embodiment, this separator 31 is extended towards this radiating module 6 by the lower wall 300 of this cover plate 30, and this separator 31 has two relative sidewalls 310, each sidewall 310 is arc, and this two side 310 is respectively in the face of this first fan 4 and this second fan 5.When this first fan 4 and the start simultaneously of this second fan 5, the air-flow at least two directions can be produced and form disturbing flow, so mutually can disturb by this separator 31 barrier air, reduce the noise that this double-fan radiation device 1 produces, and reduce the inactive area that air-flow disturbs mutually.In actual applications, this separator 31 also can use the demarcation strip of additional or alternate manner to intercept this two fan, reduces the invalid heat dissipation region on this radiating module 6.
This first fan 4 is arranged on this fan housing 3 obliquely, and position is in this first through hole 302, second fan 5 is arranged on this fan housing 3 obliquely, and position is in this second through hole 303, the virtual axis of the pivot of this second fan 5 is crossing with the virtual axis L1 of the pivot of this first fan 4 outside the upper wall 301 of this cover plate 30, and this two fan 4,5 set-up mode as shown in Figure 1.
This first fan 4 is obliquely installed with one first angle θ 1, and this first angle θ 1 is the angle bottom the virtual axis L1 of the pivot of this first fan 4 and this radiating module 6.This second fan 5 is obliquely installed with one second angle θ 2, and this second angle θ 2 is the angles bottom the virtual axis L2 of the pivot of this second fan 5 and this radiating module 6.
This first fan 4 and this second fan 5 are can according to actual design demand, the angle of inclination of this two fan 4,5 of any design, such as this first fan 4 and the second fan 5 are designed with different angles, or two fans 4,5 are with the design of symmetrical angle, but not as limit.Moreover, because this two fan 4,5 of the present invention is located on fan housing 3, and position is in through hole 302,303, so the peritreme of through hole 302,303 also along with the angle of inclination of fan 4,5, can be designed to the structure tilted face to face by this first through hole 302 of this cover plate 30 and this second through hole 303.
In actual applications, this fan housing 3 more comprises one first fixed mount 32 and one second fixed mount 33, this first fixed mount 32 is that the inclination of complying with this first fan 4 is connected in this fan housing 3, and this first fixed mount 32 is in the face of this first through hole 302 of this cover plate 30, this first fixed mount 32 is these first fans 4 of installing, and this second fixed mount 33 is the inclinations of complying with this second fan 5 is connected to this fan housing 3, and this second fixed mount 33 is in the face of this second through hole 303 of this cover plate 30, this second fixed mount 33 is these second fans 5 of installing.This two fixed mount 32,33 can be formed directly in this fan housing 3, or be connected in this fan housing 3 by the framework of fan 4,5 itself.
Refer to Fig. 3 and Fig. 4, this radiating module 6 comprises multiple fin 60, heat-conducting piece 61 and multiple heat pipe 62, this radiating module to be arranged side by side with interval by multiple fin 60 to be formed, each fin 60 comprises one first hypotenuse 601 and one second hypotenuse 602, respectively in the face of this first fan 4 and this second fan 5, and this first hypotenuse 601 is the inclinations of complying with this first fan 4, this second hypotenuse 602 is the inclinations of complying with this second fan 5.This fan housing 3 more comprises two relative side plates 34, this biside plate 34 respectively from this cover plate 30 to downward-extension, those intervals of this radiating module 6 fin 60 side by side with this biside plate 34 with equidirectional arrangement.
In fact, this first hypotenuse 601 of this fin 60 and the inclined plane of this second hypotenuse 602 are that but this fin 60 also can be designed to plane or other form for gradually tiltedly mode or staged are toward middle inclined downward.
This heat-conducting piece 61 is bottoms of those fins 60 of laminating, and those fins 60 are run through in one end of each heat pipe 62, and the other end of this heat pipe 62 runs through this heat-conducting piece 61.In fact, this heat-conducting piece 61 is integrated circuit 20 surfaces be directly attached on this circuit board 2, this heat-conducting piece 61 by after the heat absorption of this integrated circuit 20, by those fins 60 and run through this heat-conducting piece 61 those heat pipes 62 by thermal energy dissipation to outside, to improve its heat dissipation.
In this embodiment, with the bottom of a strutting piece 7 against this radiating module 6 between this radiating module 6 and this fan housing 3, recycling screw 70 locks the screw (not indicating in the drawings) of this strutting piece 7 and this fan housing 3 correspondence, but, this radiating module 6 also can be reached by click-on design with the fixed form of this fan housing 3, therefore not as limit.
Fig. 5 indicates the schematic diagram of the preferred application example of this double-fan radiation device 1 of the present invention, when this first fan 4 and this second fan 5 start of relative tilt, this first fan 4 produces distinguished and admirable, air outside this fan housing 3 is entered after in this radiating module 6 by the air inlet of this radiating module 6, discharge outside this cover plate 30 of fan housing 3 by this first fan 4, and the second fan also produces, and another is distinguished and admirable, after leading the air of the gas and vapor permeation outside of being discharged by this first fan 4 above this cover plate 30 of this fan housing 3 to enter this radiating module 6, drained into outside this fan housing 3 by the air outlet of this radiating module 6.But, because those fin 60 orientations of this radiating module 6 are identical with above-mentioned airflow direction, therefore double-fan radiation device 1 of the present invention can make the air-flow in a little fin rapidly and circulate smoothly, reduce the invalid heat dissipation region of position between double fan, and then promote the radiating effect of circuit board 2.
But, double-fan radiation device 1 of the present invention also can use two fans blown, above first through hole 302 and the second through hole 303 of this cover plate 30 of this fan housing 3, guide extraneous air to blow to this radiating module 6, hot gas in radiating module 6 is discharged, therefore relative tilting fan design of the present invention, can be applicable to multiple cooling mechanism.
In sum, double-fan radiation device of the present invention is by the relatively tilting design of two fans, reduces the disturbing flow produced between two fans, and then promotes the integrated circuit of this double-fan radiation device to this circuit board or the radiating efficiency of system.In addition, this separator also can stop that the disturbing flow between this double fan produces, and noise when reducing this double fan start.
In any case, anyone can obtain enough instructions from the explanation of above-mentioned example, and according to and recognize that the present invention has practicality in industry and creativeness really, and the present invention has been showed no in same field that identical or similar techniques discloses formerly and tool foot has novelty, be that the present invention indeed meets patent of invention important document, now file an application in accordance with the law.
Claims (8)
1., with a double-fan radiation device on circuit boards, described double-fan radiation device is characterized in that comprising:
One radiating module;
One fan housing, covers described radiating module, and described fan housing has a cover plate, and the lower wall of described cover plate is in the face of described radiating module top, and described cover plate has one first through hole and one second through hole that run through its upper and lower wall;
One first fan, is arranged on described fan housing obliquely, and position is in described first through hole;
One second fan, is arranged on described fan housing obliquely, and position is in described second through hole, and the virtual axes intersect of the virtual axis of the pivot of described second fan and the pivot of described first fan is outside the upper wall of described cover plate; And
One separator, be arranged in described fan housing and position between described first through hole and described second through hole, described separator intercepts described first fan and described second fan, wherein when this first fan and this second fan start, the air-flow at least two directions can be produced, this separator disturbs mutually in order to barrier air, to reduce the noise that this double-fan radiation device produces, and reduces the inactive area that air-flow disturbs mutually.
2. according to double-fan radiation device according to claim 1, it is characterized in that described first fan arranges with one first angular slope, described first angle is the angle bottom the virtual axis of the pivot of described first fan and described radiating module.
3. according to double-fan radiation device according to claim 1, it is characterized in that described second fan arranges with one second angular slope, described second angle is the angle bottom the virtual axis of the pivot of described second fan and described radiating module.
4. according to double-fan radiation device according to claim 1, it is characterized in that described fan housing more comprises one first fixed mount and one second fixed mount, described first fixed mount is that the inclination of complying with described first fan is connected in described fan housing, and described first fixed mount is in the face of described first through hole of described cover plate, described first fixed mount is described first fan of installing, and described second fixed mount is the inclination of complying with described second fan is connected to described fan housing, and described second fixed mount is in the face of described second through hole of described cover plate, described second fixed mount is described second fan of installing.
5. according to double-fan radiation device according to claim 1, it is characterized in that described radiating module to be arranged side by side with interval by multiple fin to be formed, each fin comprises one first hypotenuse and one second hypotenuse, respectively in the face of described first fan and described second fan, and described first hypotenuse is the inclination of complying with described first fan, described second hypotenuse is the inclination of complying with described second fan.
6. according to double-fan radiation device according to claim 5, it is characterized in that described fan housing more comprises two relative side plates, described biside plate is respectively from described cover plate to downward-extension, and the described interval of described radiating module fin side by side and described biside plate are with equidirectional arrangement.
7. according to double-fan radiation device according to claim 5, it is characterized in that described radiating module more comprises a heat-conducting piece and multiple heat pipe, described heat-conducting piece is the bottom of described fin of fitting, described fin is run through in one end of each heat pipe, and the other end of described heat pipe runs through described heat-conducting piece.
8. according to double-fan radiation device according to claim 1, it is characterized in that described separator is extended towards described radiating module by the lower wall of described cover plate, and described separator has two relative sidewalls, each sidewall is arc, and described two side is respectively in the face of described first fan and described second fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010001060.7A CN102137581B (en) | 2010-01-21 | 2010-01-21 | Double-fan heat-dissipating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010001060.7A CN102137581B (en) | 2010-01-21 | 2010-01-21 | Double-fan heat-dissipating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102137581A CN102137581A (en) | 2011-07-27 |
| CN102137581B true CN102137581B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010001060.7A Active CN102137581B (en) | 2010-01-21 | 2010-01-21 | Double-fan heat-dissipating device |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102647880B (en) * | 2011-02-16 | 2015-12-02 | 技嘉科技股份有限公司 | Heat abstractor |
| CN105736477B (en) * | 2014-12-08 | 2020-09-18 | 博西华电器（江苏）有限公司 | Refrigeration appliance and fan assembly for refrigeration appliance |
| TWI617226B (en) * | 2017-05-22 | 2018-03-01 | 奇鋐科技股份有限公司 | Circuit board and fan frame connection structure |
| US10021775B1 (en) | 2017-06-19 | 2018-07-10 | Asia Vital Components Co., Ltd. | Circuit board and fan frame connection structure |
| CN109328001B (en) * | 2018-11-02 | 2024-01-12 | 杭叉集团股份有限公司 | Electric forklift |
| CN112965583A (en) * | 2019-12-12 | 2021-06-15 | 荣耀终端有限公司 | Electronic device |
| CN211853945U (en) | 2020-04-24 | 2020-11-03 | 深圳市爱图仕影像器材有限公司 | Heat dissipation device and lighting device |
| US11304331B1 (en) * | 2020-09-30 | 2022-04-12 | Taiwan Microloops Corp. | Heat dissipating module having auxiliary fan |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200410626A (en) * | 2002-12-13 | 2004-06-16 | Arima Computer Corp | Heat dissipation device for electronic component |
| TWM245506U (en) * | 2003-10-22 | 2004-10-01 | Thermaltake Technology Co Ltd | Forced exhausting-type computer host heat dissipating device |
| TW200644780A (en) * | 2005-06-10 | 2006-12-16 | Hon Hai Prec Ind Co Ltd | Heat dissipation module employing twin-fan |
| CN101287348A (en) * | 2007-04-11 | 2008-10-15 | 富准精密工业(深圳)有限公司 | Heat sink assembly |
-
2010
- 2010-01-21 CN CN201010001060.7A patent/CN102137581B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200410626A (en) * | 2002-12-13 | 2004-06-16 | Arima Computer Corp | Heat dissipation device for electronic component |
| TWM245506U (en) * | 2003-10-22 | 2004-10-01 | Thermaltake Technology Co Ltd | Forced exhausting-type computer host heat dissipating device |
| TW200644780A (en) * | 2005-06-10 | 2006-12-16 | Hon Hai Prec Ind Co Ltd | Heat dissipation module employing twin-fan |
| CN101287348A (en) * | 2007-04-11 | 2008-10-15 | 富准精密工业(深圳)有限公司 | Heat sink assembly |
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| Publication number | Publication date |
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| CN102137581A (en) | 2011-07-27 |
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