CN102086878A - Fan module and heat radiating device using same - Google Patents
Fan module and heat radiating device using same Download PDFInfo
- Publication number
- CN102086878A CN102086878A CN2009103110430A CN200910311043A CN102086878A CN 102086878 A CN102086878 A CN 102086878A CN 2009103110430 A CN2009103110430 A CN 2009103110430A CN 200910311043 A CN200910311043 A CN 200910311043A CN 102086878 A CN102086878 A CN 102086878A
- Authority
- CN
- China
- Prior art keywords
- fan
- rotor
- wheel hub
- rotating shaft
- main
- Prior art date
- 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.)
- Pending
Links
- 241000883990 Flabellum Species 0.000 claims description 24
- 239000000758 substrate Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a heat radiating device comprising a heat radiator and a fan module, wherein the fan module is arranged on the heat radiator and comprises a main fan and an auxiliary fan, wherein the main fan comprises a rotor, and the rotor comprises a hub and a plurality of fan blades arranged on the periphery of the hub; the auxiliary fan is arranged below the hub of the main fan and comprises a rotor, and the rotor of the auxiliary fan comprises a rotating shaft and a plurality of fan blades positioned on the periphery of the rotating shaft; the rotating shaft is fixed on the hub of the main fan; and the rotor of the auxiliary fan is driven by the main fan to rotate and generates air flows blown to the center of the heat radiator so that the heat of the heat radiator, which is positioned below the hub of the main fan, can be timely and effectively emitted, therefore an empty flow area is prevented from being formed below the hub of the main fan, and heat radiating efficiency is enhanced favorably.
Description
Technical field
The present invention relates to a kind of fan module, particularly a kind of sink that is used for the fan module that heat-generating electronic elements is dispelled the heat and uses this fan module.
Background technique
Fast development along with electronic industry; high speed, high frequency and integrated its heating value that makes of electronic component (as central processing unit (CPU) etc.) increase severely; the heat that is produced in order to take away electronic component efficiently in limited space, industry can install a sink additional usually on electronic component.
This sink generally includes a radiator and a fan, this fan is arranged on this radiator and to this radiator low-temperature airflow is provided, this fan has a rotor, this rotor comprises a wheel hub and is located at some flabellums of this wheel hub periphery, when this fan running, because the existence of this wheel hub, promptly the air-flow at the middle part of this radiator is less over against the lower zone of this wheel hub to flow to this radiator, form empty stream zone easily at the middle part of radiator, and electronic component is located at the middle part of radiator usually, and this just makes the heat that concentrates on the radiator middle part not distribute timely and effectively.
Summary of the invention
In view of this, be necessary to provide a kind of sink that improves the fan module of radiating efficiency and use this fan module.
A kind of fan module, comprise a main fan, this main fan comprises a rotor, this rotor comprises a wheel hub and is located at some flabellums of this wheel hub periphery, this fan module also comprises an auxilliary fan, and this auxilliary fan is located at the wheel hub below of this main fan, and this auxilliary fan comprises a rotor, be somebody's turn to do some flabellums that the rotor of assisting fan comprises a rotating shaft and is located at this rotating shaft periphery, this rotating shaft is fixed on the wheel hub of this main fan.
A kind of fan module, comprise a main fan, this main fan comprises a first rotor, this the first rotor comprises a wheel hub and is located at some flabellums of this wheel hub periphery, the wheel hub below of the first rotor of this main fan also is provided with one second rotor, this second rotor comprises a rotating shaft and is located at some flabellums of this rotating shaft periphery that this rotating shaft is fixed on the wheel hub of this main fan.
A kind of sink, comprise a radiator and be located at a fan module on this radiator, this fan module comprises a main fan, this main fan comprises a rotor, and this rotor comprises a wheel hub and be located at some flabellums of this wheel hub periphery that this fan module also comprises an auxilliary fan, should be located at below the wheel hub of this main fan by auxilliary fan, should comprise a rotor by auxilliary fan, the rotor of this auxilliary fan comprises a rotating shaft and is located at some flabellums of this rotating shaft periphery that this rotating shaft is fixed on the wheel hub of this main fan.
A kind of sink, comprise a radiator and be located at a fan module on this radiator, this fan module comprises a main fan, this main fan comprises a first rotor, this the first rotor comprises a wheel hub and is located at some flabellums of this wheel hub periphery, the wheel hub below of the first rotor of this main fan also is provided with one second rotor, and this second rotor comprises a rotating shaft and be located at some flabellums of this rotating shaft periphery that this rotating shaft is fixed on the wheel hub of this main fan.
Said fans module and using in the sink of this fan module, the rotor of its auxilliary fan is fixed on the wheel hub of rotor of this main fan, should in the auxilliary fan housing, stator and magnetic group need be set, should assist rotor rotation under this main fan drives of fan, and generation blows to the air-flow at this radiator middle part, the heat that makes this radiator be positioned at the wheel hub below of main fan can distribute timely and effectively, avoids the wheel hub below of this main fan to form empty stream zone, helps improving radiating efficiency.
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Description of drawings
Fig. 1 is the generalized section of the sink of a preferred embodiment of the present invention.
Fig. 2 is the enlarged diagram of the fan module in the sink shown in Figure 1.
The primary component symbol description
Embodiment
Figure 1 shows that the sink in a preferred embodiment of the present invention, this sink is used for a heat-generating electronic elements 10 heat radiation, and this sink comprises a radiator 20 and is located at a fan module 30 on this radiator 20.
This radiator 20 comprises a base plate 21 and the some radiating fins 23 that extended vertically upward by this base plate 21, the central authorities of the lower surface of this base plate 21 are attached on this heat-generating electronic elements 10, these radiating fins 23 are arranged in parallel, 23 of every two adjacent radiating fins form an air-flow path 231, be positioned at the height of the height of central part in these radiating fins 23, thereby form a depression 232 in the middle part on these radiator 20 tops less than the part that is positioned at outer rim.
This fan module 30 comprises a main fan 31 and is located at an auxilliary fan 33 of these main fan 31 belows that this main fan 31 is axial fan with auxilliary fan 33.
Please refer to Fig. 2, this main fan 31 comprises fan frame 311, a bearing arrangement 313, is fixed in the stator 315 on this fan frame 311 and covers at a rotor 317 on this stator 315.
This fan frame 311 is fixed on the radiating fin 23 that this radiator 20 is positioned at outer rim, this fan frame 311 ring-type that is square, its upper/lower terminal forms a wind inlet 3111 and an exhaust outlet 3112 respectively, the central authorities on these fan frame 311 tops are provided with a substrate 3113, this substrate 3113 is connected on this fan frame 311 by some ribs (figure does not show), this wind inlet 3111 is formed between these ribs, protrudes out the center pillar 3114 of a hollow under the mediad of this substrate 3113, the bottom end opening of this center pillar 3114.
This bearing arrangement 313 is contained in this center pillar 3114, and this bearing arrangement 313 comprises a bearing 3131 and be located at a clasp 3132 of these bearing 3131 tops, and this bearing 3131 is hollow cylindrical, and this clasp 3132 in the form of a ring.
This stator 315 comprises a circuit board 3151 and is fixed in a coil groups 3152 on this circuit board 3151, and this circuit board 3151 and coil groups 3152 are located on the periphery of the center pillar 3114 of this fan frame 311.
This rotor 317 covers at the periphery of the coil groups 3152 of this stator 315, and this rotor 317 comprises a wheel hub 3171, a rotating shaft 3172, some flabellums 3173 and a magnetic group 3174.This wheel hub 3171 is the semiclosed shape of hollow, and it comprises that the end 3175 near a circle of these fan frame 311 bottoms reaches the cylindrical sidewall 3176 that the periphery from this end 3175 extends vertically upward.The central authorities of inner side surface of the end 3175 of this wheel hub 3171 are fixed in the bottom of this rotating shaft 3172, and the middle part of this rotating shaft 3172 is located in this bearing 3131, and the top of this rotating shaft 3172 rotatably is buckled on this clasp 3132.These flabellums 3173 are located on the periphery of the sidewall 3176 of this wheel hub 3171.This magnetic group 3174 is attached on the internal surface of sidewall 3176 of this wheel hub 3171.
Should be located at the below of the wheel hub 3171 of this main fan 31 by auxilliary fan 33, and be contained in the depression 232 on these radiator 20 tops, this auxilliary fan 33 comprises a rotor 337.
This rotor 337 be located at this main fan 31 wheel hub 3171 under, and the external diameter of this rotor 337 equals the external diameter of wheel hub 3171 of the rotor 317 of this main fan 31.This rotor 337 comprises a rotating shaft 3372 and is located on some flabellums 3373 of the periphery of these rotating shaft 3372 bottoms.This rotating shaft 3372 is rectangular thin rod shape, and the central authorities of outer side surface of end 3175 of the wheel hub 3171 of this main fan 31 are fixed on its top.These flabellums 3373 are fixed on the outer side surface of this rotating shaft 3372, and these flabellums 3373 upwards just are positioned within the wheel hub 3171 of this main fan 31 in the footpath of the rotor 317 of this main fan 31 away from the outboard end of rotating shaft 3372.
During work, main fan 31 entrys into service of this fan module 30, and the auxilliary fan 33 that drives on the wheel hub 3171 that is fixed in its rotor 317 turns round, the air-flow that the flabellum 3173 of the rotor 317 of this main fan 31 produces blows to the radiating fin 23 that this radiator 20 is positioned at outer rim via the exhaust outlet 3112 of these main fan 31 bottoms, and enter in the corresponding air-flow path 231, thereby carry out heat exchange with this radiator 20, the air-flow that is somebody's turn to do flabellum 3373 generations of the rotor 337 of assisting fan 33 directly blows to the radiating fin 23 that this radiator 20 is positioned at the middle part, and enter in the corresponding air-flow path 231, thereby carry out heat exchange with the middle part of radiator 20.
In the above-mentioned sink, rotor 337 that should auxilliary fan 33 is fixed on the wheel hub 3171 of rotor 317 of this main fan 31, should assist rotor 337 rotation under this main fan 31 drives of fan 33, and generation blows to the air-flow at these radiator 20 middle parts, the heat of the middle part high concentration of this radiator 20 can be distributed timely and effectively, can prevent that the heat-generating electronic elements 10 of being located at these radiator 20 bottom center from damaging because of overheated, help improving the life-span of heat-generating electronic elements 10.In addition, owing to should auxilliary fan 33 be under the drive of this main fan 31, to rotate, therefore, should rotor 337 be set auxilliary 33 need of fan, and need not housing, stator and magnetic group, the area that this radiator 20 is blocked in the rotating shaft 3372 of rotor 337 that should auxilliary fan 33 almost can be ignored, thereby avoids wheel hub 3171 belows of this main fan 31 to form empty stream zone, helps improving the radiating efficiency of sink.
Claims (12)
1. fan module, comprise a main fan, this main fan comprises a rotor, this rotor comprises a wheel hub and is located at some flabellums of this wheel hub periphery, it is characterized in that: this fan module also comprises an auxilliary fan, and this auxilliary fan is located at the wheel hub below of this main fan, and this auxilliary fan comprises a rotor, be somebody's turn to do some flabellums that the rotor of assisting fan comprises a rotating shaft and is located at this rotating shaft periphery, this rotating shaft is fixed on the wheel hub of this main fan.
2. fan module as claimed in claim 1, it is characterized in that: the wheel hub of the rotor of this main fan comprises that an end reaches from the upwardly extending cylindrical sidewall of the periphery of this end, the central authorities of outer side surface of end of the wheel hub of this main fan are fixed on top of rotating shaft that should auxilliary fan, and the flabellum of this auxilliary fan is arranged on the periphery of the bottom of this rotating shaft.
3. fan module as claimed in claim 1 is characterized in that: the external diameter of the rotor of this auxilliary fan equals the external diameter of wheel hub of the rotor of this main fan.
4. fan module as claimed in claim 1 is characterized in that: the flabellum of the rotor of this auxilliary fan upwards just is positioned within the wheel hub of this main fan in the footpath of the rotor of this main fan away from the outboard end of rotating shaft.
5. fan module, comprise a main fan, this main fan comprises a first rotor, this the first rotor comprises a wheel hub and is located at some flabellums of this wheel hub periphery, it is characterized in that: the wheel hub below of the first rotor of this main fan also is provided with one second rotor, this second rotor comprises a rotating shaft and is located at some flabellums of this rotating shaft periphery that this rotating shaft is fixed on the wheel hub of this main fan.
6. fan module as claimed in claim 5, it is characterized in that: the wheel hub of this first rotor comprises that an end reaches from the upwardly extending cylindrical sidewall of the periphery of this end, the central authorities of outer side surface of end of the wheel hub of this main fan are fixed on the top of the rotating shaft of this second rotor, and the flabellum of this second rotor is arranged on the periphery of the bottom of this rotating shaft.
7. fan module as claimed in claim 5 is characterized in that: the external diameter of this second rotor equals the external diameter of the wheel hub of this first rotor.
8. fan module as claimed in claim 5 is characterized in that: the flabellum of this second rotor upwards just is positioned within the wheel hub of this main fan in the footpath of this first rotor away from the outboard end of rotating shaft.
9. a sink comprises a radiator, it is characterized in that: comprise that also this fan module is located on this radiator as any described fan module in the claim 1 to 4.
10. sink as claimed in claim 9 is characterized in that: this radiator is provided with a depression, and the auxilliary fan of this fan module is located in this depression.
11. a sink comprises a radiator, it is characterized in that: comprise that also this fan module is located on this radiator as any described fan module in the claim 5 to 8.
12. sink as claimed in claim 11 is characterized in that: this radiator is provided with a depression, and second rotor of this fan module is located in this depression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103110430A CN102086878A (en) | 2009-12-08 | 2009-12-08 | Fan module and heat radiating device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103110430A CN102086878A (en) | 2009-12-08 | 2009-12-08 | Fan module and heat radiating device using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102086878A true CN102086878A (en) | 2011-06-08 |
Family
ID=44098816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103110430A Pending CN102086878A (en) | 2009-12-08 | 2009-12-08 | Fan module and heat radiating device using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102086878A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185026A (en) * | 2011-12-29 | 2013-07-03 | 富瑞精密组件（昆山）有限公司 | Radiating fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030021679A1 (en) * | 2001-07-24 | 2003-01-30 | J-Tech Industrial Inc. | Structure of fan |
| CN1719043A (en) * | 2004-07-06 | 2006-01-11 | 鸿富锦精密工业（深圳）有限公司 | The electric fan structure |
| CN101426358A (en) * | 2007-11-02 | 2009-05-06 | 陈亮合 | Vortex guide type heat dissipation device |
| CN102086876A (en) * | 2009-12-03 | 2011-06-08 | 鸿富锦精密工业（深圳）有限公司 | Fan module and heat radiating device using same |
| US20110132582A1 (en) * | 2009-12-07 | 2011-06-09 | Hon Hai Precision Industry Co., Ltd. | Fan module and heat dissipation device incorporating the same |
-
2009
- 2009-12-08 CN CN2009103110430A patent/CN102086878A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030021679A1 (en) * | 2001-07-24 | 2003-01-30 | J-Tech Industrial Inc. | Structure of fan |
| CN1719043A (en) * | 2004-07-06 | 2006-01-11 | 鸿富锦精密工业（深圳）有限公司 | The electric fan structure |
| CN101426358A (en) * | 2007-11-02 | 2009-05-06 | 陈亮合 | Vortex guide type heat dissipation device |
| CN102086876A (en) * | 2009-12-03 | 2011-06-08 | 鸿富锦精密工业（深圳）有限公司 | Fan module and heat radiating device using same |
| US20110132582A1 (en) * | 2009-12-07 | 2011-06-09 | Hon Hai Precision Industry Co., Ltd. | Fan module and heat dissipation device incorporating the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185026A (en) * | 2011-12-29 | 2013-07-03 | 富瑞精密组件（昆山）有限公司 | Radiating fan |
| CN103185026B (en) * | 2011-12-29 | 2015-09-02 | 富瑞精密组件（昆山）有限公司 | Radiation fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101338766B (en) | Centrifugal fan and heat sink module adopting same | |
| US7021894B2 (en) | Apparatus for cooling of electronic components | |
| CN101529099B (en) | Serially arranged axial fan | |
| CN103671250A (en) | Fan | |
| US8267158B2 (en) | Thermal module | |
| US20090101315A1 (en) | Turbo-guiding type cooling apparatus | |
| CN101619731B (en) | Cooling fan | |
| US8313282B1 (en) | Compact air-plus-liquid thermal management module | |
| US20100059211A1 (en) | Cooling fan and heat dissipation device having the same | |
| CN101600321B (en) | Radiator fan and electronic device adopting same | |
| US7113403B2 (en) | Centrifugal fan type cooling module | |
| US7156157B2 (en) | Cooling mechanism | |
| US20090225511A1 (en) | Heat sink module | |
| CN102086876A (en) | Fan module and heat radiating device using same | |
| US20060289532A1 (en) | Axial fan | |
| TW201120320A (en) | Fan module and heat disspation device incorporating the same | |
| CN101205934B (en) | Fan and its frame | |
| CN102086878A (en) | Fan module and heat radiating device using same | |
| CN101106300A (en) | Heat radiation fan | |
| JP2009203837A (en) | Centrifugal fan | |
| TW201120319A (en) | Fan module and heat disspation device incorporating the same | |
| JP2012127361A (en) | Fan device | |
| CN201180684Y (en) | Heat radiation fan | |
| CN101832277B (en) | Fan and its guide structure | |
| CN102083293A (en) | Heat radiating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110608 |