CN102137581A - Double-fan heat-dissipating device - Google Patents
Double-fan heat-dissipating device Download PDFInfo
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- CN102137581A CN102137581A CN2010100010607A CN201010001060A CN102137581A CN 102137581 A CN102137581 A CN 102137581A CN 2010100010607 A CN2010100010607 A CN 2010100010607A CN 201010001060 A CN201010001060 A CN 201010001060A CN 102137581 A CN102137581 A CN 102137581A
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- fan
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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, relates in particular to have the double-fan radiation device of the structural design of tilting fan relatively.
Background technology
Along with development in science and technology is maked rapid progress, electronic installation uses more that the integrated circuit of high-order promotes its operational capability, has become trend.Yet when integrated circuit was carried out computing, this integrated circuit can produce a large amount of heat energy, need to assist this cooling integrated by heat abstractor, this heat abstractor comprises the design of single fan and double fan at present, the at present existing multiple practice with double fan, for example:
No. 587769 " heat abstractor " patent of TaiWan, China case be disclose a kind of on a heat generating component installing one heat abstractor, and this heat abstractor comprises the practice of a more than one supply fan and an air ejector fan;
No. 200644780 " double-fan heat radiation module " patent of TaiWan, China case is to disclose a kind of double-fan heat radiation module, and this double-fan heat radiation module is that one first centrifugal fan and one second centrifugal fan are housed in the practice in the shell side by side;
No. 545104 " heat abstractor " patent of TaiWan, China case is to disclose a kind of heat abstractor one first fan and one second fan, the practice of arrange in pairs or groups a plurality of heat pipes and a plurality of fin are set;
No. 577582 " two radiating module structure " patent case of TaiWan, China is to disclose a kind of a 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;
No. 200410626 " electronic building brick heat abstractor " patent case of TaiWan, China is to disclose a kind of practice of setting up the 3rd fin between one first fan and one second fan;
No. 245506 " the main frame heat abstractor of forced exhaust type " patent cases of TaiWan, China M are to disclose a kind of one first fan and one second fan to be installed respectively in the practice of a radiating component in one first side and one second side;
The practice of above-mentioned identical or similar these 587769,200644780,545104,577582,200410626 and No. 200410626 patent cases is with the setting of two fans with level.Disclose wherein cooling mechanisms that are obliquely installed of two fans as for No. 245506 patents of this M, but still only be confined to two fans are separately positioned on the two opposite sides of cooling mechanism.
Summary of the invention
The invention provides a kind of new double-fan radiation device, this double-fan radiation device is to be used on the circuit board.This double-fan radiation device comprises a radiating module, a fan housing, one first fan, one second fan and a separator.This fan housing is to cover 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 runs through its upper and lower wall, this separator be the position between this first through hole and this second through hole, this separator is to be extended towards this radiating module by the lower wall of this cover plate; This first fan is arranged on this fan housing obliquely, and the position is in this first through hole; Second fan is arranged on this fan housing obliquely, and the position in this second through hole, 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 be arranged in this fan housing and the position between this first through hole and this second through hole, this separator is to intercept this first fan and this second fan.
Preferably, this first fan is with one first angle tilt setting, the angle of the virtual axis of the pivot that this first angle is this first fan and this radiating module bottom; This second fan is with one second angle tilt setting, the angle of the virtual axis of the pivot that this second angle is this second fan and this radiating module bottom.
Preferably, this radiating module is to be formed to be arranged side by side at interval by a plurality of fins, 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 is to comply with this first fan, and this second hypotenuse is to comply with this second fan.
Compared to prior art, the invention provides a kind of double-fan radiation device, be with two radiator fans with being obliquely installed of facing mutually, improve produce between this first fan and this second fan invalid distinguished and admirable, improve the radiating efficiency of heat abstractor.Moreover owing to be provided with separator between this first fan and this second fan, this separator also can stop disturbing flow mutual between two fans, and can reduce the noise that disturbing flow produces.
More summary of the invention and effect thereof are with the explanation that discloses subsequently.
Description of drawings
Fig. 1 is the schematic diagram that indicates 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 first fan and 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 that indicates 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 is to be used on the circuit board 2, and this double-fan radiation device 1 comprises a fan housing 3, one first fan 4, one second fan 5, a 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 is to cover 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 that runs through its upper wall 301 and lower wall 300.
This separator 31 be arranged in this fan housing 3 and the position between this first through hole 302 and this second through hole 303, this separator 31 is to intercept this first fan 4 and this second fan 5.
In this embodiment, this separator 31 is to be 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, and each sidewall 310 is to be 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 5 starts simultaneously of this second fan, can produce the air-flow of at least two directions and form disturbing flow, so can reduce the noise that this double-fan radiation device 1 produces, and inactive area of dwindling the mutual interference of air-flow phase by these separator 31 barrier air phase mutual interference.In actual applications, this separator 31 also can use demarcation strip or the alternate manner additionally set up 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 the position is in this first through hole 302, second fan 5 is arranged on this fan housing 3 obliquely, and the position is in this second through hole 303, the virtual axis L1 of the virtual axis of the pivot of this second fan 5 and the pivot of this first fan 4 intersects outside the upper wall 301 of this cover plate 30, and these two fans, 4,5 set-up modes as shown in Figure 1.
This first fan 4 is to be obliquely installed with one first angle θ 1, and this first angle θ 1 is the angle of virtual axis L 1 and these radiating module 6 bottoms of the pivot of this first fan 4.This second fan 5 is to be obliquely installed with one second angle θ 2, and this second angle θ 2 is angles of virtual axis L 2 and these radiating module 6 bottoms of the pivot of this second fan 5.
This first fan 4 and this second fan 5 are can be according to the actual design demand, design the angle of inclination of this two fan 4,5 arbitrarily, for example this first fan 4 and second fan 5 are designed with different angles, perhaps two fans, 4,5 designs with symmetrical angle, but not as limit.Moreover, because this two fan 4,5 of the present invention is provided in a side of on the fan housing 3, and the position is in through hole 302,303, so this first through hole 302 of this cover plate 30 and this second through hole 303 also can be along with the angles of inclination of fan 4,5, with the peritreme of through hole 302,303 be designed to practise physiognomy structure to crustal inclination.
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 opening 302 of this cover plate 30, this first fixed mount 32 is these first fans 4 of installing, and being the inclinations of complying with this second fan 5, this second fixed mount 33 is connected this fan housing 3, and this second fixed mount 33 is in the face of this second opening 303 of this cover plate 30, and this second fixed mount 33 is these second fans 5 of installing.This two fixed mount the 32, the 33rd can be formed directly in this fan housing 3, perhaps is connected in this fan housing 3 by fan 4,5 frameworks own.
See also Fig. 3 and Fig. 4, this radiating module 6 comprises a plurality of fins 60, a heat-conducting piece 61 and a plurality of heat pipe 62, this radiating module is to be formed to be arranged side by side at interval by a plurality of fins 60, 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, and this second hypotenuse 602 is the inclinations of complying with this second fan 5.This fan housing 6 more comprises two opposing sideplates 34, and this biside plate 34 extends downwards from this cover plate 30 respectively, those of this radiating module 6 at interval side by side fin 60 and 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 to be the gradually tiltedly past middle below inclination of mode or staged, but this fin 60 also can be designed to plane or other form.
This heat-conducting piece 61 is bottoms of those fins 60 of applying, and an end of each heat pipe 62 runs through those fins 60, and the other end of this heat pipe 62 is to run through this heat-conducting piece 61.In fact, this heat-conducting piece 61 is integrated circuit 20 surfaces that directly are attached on this circuit board 2, after the heat absorption of this heat-conducting piece 61 with this integrated circuit 20, by those fins 60 and those heat pipes 62 of running through this heat-conducting piece 61 with thermal energy dissipation to outside, to improve its heat dissipation.
In this embodiment, 3 of this radiating module 6 and this fan housings are with the bottom of a strutting piece 7 against this radiating module 6, utilize the screw (not indicating in the drawings) of screw 70 these strutting pieces 7 of locking and this fan housing 3 correspondences again, yet, this radiating module 6 also can be reached by the buckle design with the fixed form of this fan housing 3, so 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 of relative tilt and this second fan, 5 starts, this first fan 4 produces distinguished and admirable, after making the outer air of this fan housing 3 enter 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, another is distinguished and admirable and second fan also produces, the gas that these cover plate 30 tops that lead this fan housing 3 are discharged by this first fan 4 mixes after air outside enters this radiating module 6, is drained into outside this fan housing 3 by the air outlet of this radiating module 6.Yet, because those fin 60 orientations of this radiating module 6 are identical with above-mentioned airflow direction, so double-fan radiation device 1 of the present invention can make the air-flow in a little fins circulate rapidly and smoothly, reduce the invalid heat dissipation region of position between double fan, and then promote the radiating effect of circuit board 2.
Yet, double-fan radiation device 1 of the present invention also can use two fans that blow, first through hole 302 and second through hole, 303 tops guiding extraneous air from this cover plate 30 of this fan housing 3 blow to this radiating module 6, hot gas in the radiating module 6 is discharged, so opposing inclined formula fan design of the present invention can be applicable to multiple cooling mechanism.
In sum, double-fan radiation device of the present invention is with the tilting design relatively of two fans, reduces the disturbing flow that produces between two fans, and then promotes this double-fan radiation device to the integrated circuit of 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 the 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 and the creativeness on the industry really, and the present invention there is no identical in same field or similar techniques discloses formerly and the tool foot has novelty, be that the present invention has really met the patent of invention important document, now file an application in accordance with the law.
Claims (8)
1. double-fan radiation device that is used on the circuit board, 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 runs through its upper and lower wall;
One first fan is arranged on the described fan housing obliquely, and the position is in described first through hole;
One second fan is arranged on the described fan housing obliquely, and the position in described second through hole, 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 the described fan housing and the position between described first through hole and described second through hole, described separator is to intercept described first fan and described second fan.
2. according to the described double-fan radiation device of claim 1, it is characterized in that described first fan is with one first angle tilt setting, the angle of the virtual axis of the pivot that described first angle is described first fan and described radiating module bottom.
3. according to the described double-fan radiation device of claim 1, it is characterized in that described second fan is with one second angle tilt setting, the angle of the virtual axis of the pivot that described second angle is described second fan and described radiating module bottom.
4. according to the described double-fan radiation device of 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 the described fan housing, and described first fixed mount is in the face of described first opening of described cover plate, described first fixed mount is described first fan of installing, and being the inclination of complying with described second fan, described second fixed mount is connected described fan housing, and described second fixed mount is in the face of described second opening of described cover plate, and described second fixed mount is described second fan of installing.
5. according to the described double-fan radiation device of claim 1, it is characterized in that described radiating module is to be formed with being arranged side by side at interval by a plurality of fins, 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, and described second hypotenuse is the inclination of complying with described second fan.
6. according to claim 1 and 5 described double-fan radiation devices, it is characterized in that described fan housing more comprises two opposing sideplates, described biside plate extends downwards from described cover plate respectively, fin and the equidirectional arrangement of described biside plate side by side of the described interval of described radiating module.
7. according to the described double-fan radiation device of claim 5, it is characterized in that described radiating module more comprises a heat-conducting piece and a plurality of heat pipe, described heat-conducting piece is the bottom of the described fin of applying, one end of each heat pipe runs through described fin, and the other end of described heat pipe is to run through described heat-conducting piece.
8. according to the described double-fan radiation device of claim 1, it is characterized in that described separator is that lower wall by described cover plate extends towards described radiating module, and described separator has two relative sidewalls, each sidewall is to be 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 true CN102137581A (en) | 2011-07-27 |
| CN102137581B 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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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102647880A (en) * | 2011-02-16 | 2012-08-22 | 技嘉科技股份有限公司 | Heat abstractor |
| CN103079383A (en) * | 2011-10-26 | 2013-05-01 | 技嘉科技股份有限公司 | Heat radiator |
| CN105736477A (en) * | 2014-12-08 | 2016-07-06 | 博西华电器（江苏）有限公司 | Refrigeration appliance and fan assembly used for refrigeration appliance |
| CN103079383B (en) * | 2011-10-26 | 2016-12-14 | 技嘉科技股份有限公司 | Heat radiator |
| 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 |
| CN109328001A (en) * | 2018-11-02 | 2019-02-12 | 杭叉集团股份有限公司 | A kind of electri forklift and its automatically controlled radiator |
| CN112965583A (en) * | 2019-12-12 | 2021-06-15 | 荣耀终端有限公司 | Electronic device |
| WO2021212764A1 (en) * | 2020-04-24 | 2021-10-28 | 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 |
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| 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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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Cited By (15)
| 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 |
| CN102647880A (en) * | 2011-02-16 | 2012-08-22 | 技嘉科技股份有限公司 | Heat abstractor |
| CN103079383A (en) * | 2011-10-26 | 2013-05-01 | 技嘉科技股份有限公司 | Heat radiator |
| CN103079383B (en) * | 2011-10-26 | 2016-12-14 | 技嘉科技股份有限公司 | Heat radiator |
| 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 |
| CN105736477A (en) * | 2014-12-08 | 2016-07-06 | 博西华电器（江苏）有限公司 | Refrigeration appliance and fan assembly used 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 |
| CN109328001A (en) * | 2018-11-02 | 2019-02-12 | 杭叉集团股份有限公司 | A kind of electri forklift and its automatically controlled radiator |
| 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 |
| WO2021115005A1 (en) * | 2019-12-12 | 2021-06-17 | 荣耀终端有限公司 | Electronic device |
| WO2021212764A1 (en) * | 2020-04-24 | 2021-10-28 | 深圳市爱图仕影像器材有限公司 | Heat dissipation device and lighting device |
| US11719429B2 (en) | 2020-04-24 | 2023-08-08 | Aputure Imaging Industries Co., Ltd. | Heat dissipation device and lighting device |
| US11304331B1 (en) * | 2020-09-30 | 2022-04-12 | Taiwan Microloops Corp. | Heat dissipating module having auxiliary fan |
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|---|---|
| CN102137581B (en) | 2015-05-20 |
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