CN102573426B - Fan module - Google Patents

Fan module Download PDF

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Publication number
CN102573426B
CN102573426B CN201210022535.XA CN201210022535A CN102573426B CN 102573426 B CN102573426 B CN 102573426B CN 201210022535 A CN201210022535 A CN 201210022535A CN 102573426 B CN102573426 B CN 102573426B
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China
Prior art keywords
heat
air
fan module
fan
sink unit
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CN201210022535.XA
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CN102573426A (en
Inventor
张柏灏
张良吉
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Asia Vital Components Co Ltd
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Asia Vital Components Co Ltd
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Priority to CN201210022535.XA priority Critical patent/CN102573426B/en
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Abstract

A kind of fan module, comprise: a heat-conducting unit, a heat-sink unit and at least one cross flow fan, described heat-sink unit has an air intake vent and an air outlet, described cross flow fan and this heat-sink unit are oppositely arranged, and there is a framework and a centrifugal flabellum group, this framework is provided with an air side, multiple inlet air side and multiple frame portion, and described frame portion has a pockets and jointly defines one each other and is installed with space in order to be installed with this centrifugal fan groups; By the design of this structure of the present invention, significantly can increase the throughput of cross flow fan and reduce outside volume that fan module takies, also can the effect of heat radiation usefulness.

Description

Fan module
Technical field
The invention relates to a kind of fan module, espespecially a kind ofly significantly can increase the throughput of at least one cross flow fan and reduce outside fan modular volume, also can heat radiation usefulness effectively improve the fan module of known fan blade because of long caused vibration and different sound phenomenon.
Background technology
Along with the constantly progress of electronics technology industry, the electric crystal density of all kinds of wafer (as central processing unit, executable unit etc.) increases day by day, although the speed goes of data process is fast, the power consumed and the heat of generation relatively increase; In order to make central processing unit stablize running, high efficiency heat-sink unit has become problem important at present.
In order to maintain high efficiency heat sinking function, the volume of heat-sink unit and weight are also had to thereupon more large heavier, but in the design of notebook computer, panel computer, intelligent mobile phone, Intelligent handhold electronic installation etc., restriction is spatially the upper maximum bottleneck of design always.
Refer to Fig. 1, for known conventional fan module 1, comprise centrifugal fan 10, heat pipe 11 and a heat-sink unit 12, traditional fan module 1 utilizes centrifugal fan 10 to drive air to flow, and then take away the heat of described heat-sink unit 12 and reach the object of cooling, and the area of the blast of centrifugal fan 10, the size of air quantity and heat-sink unit heat exchange, namely determine the usefulness of this fan module 1; If the heat exchange area of heat-sink unit 12 is larger, the fin length as radiating fin is longer, although the effect that heat can be discharged by heat-sink unit 12 is better, the volume of fan module entirety can be caused excessive because fin length increases; Light, thin, short, the little Spiritual demand that this and notebook computer are pursued is disagreed.
Be engaged in the dealer of relevant industries to reach above-mentioned light, thin, short, little Spiritual demand, minimize so as much as possible each portion element is reduced to, therefore also that the size of this centrifugal fan is microminiaturized, but due to reducing of volume, cause the flow of centrifugal fan also relatively more and more less, cause discharged heat effect to be greatly affected, and the centrifugal fan of microminiaturization can produce more vibration and different sound because flabellum thickness is thin, area large.
Therefore how under not increasing the prerequisite of heat-sink unit volume as far as possible, the usefulness of effective heat radiation unit, the direction that the technical staff becoming many relevant industries makes great efforts.
The above, known have following shortcoming:
1. volume is larger;
2. heat-sinking capability is poor;
3. easily produce vibration and different sound.
Therefore, how to solve above-mentioned public problem and disappearance, the inventor being this case and the relevant manufactures of being engaged in the industry desire most ardently the place, direction studied and improve.
Summary of the invention
For this reason, for effectively solving the above problems, main purpose of the present invention is to provide at least one cross flow fan to be arranged in a fan module, significantly can increase the air flow rate of cross flow fan and reduce the fan module of volume.
Secondary objective of the present invention, being can heat radiation usefulness and effectively improve and cause beat because blade is long and the fan module of the vibration that produces and different sound phenomenon.
For reaching above-mentioned purpose, the present invention is a kind of fan module, comprise: a heat-conducting unit, one heat-sink unit and at least one cross flow fan, described heat-conducting unit one end is attached on a thermal source, the other end of this heat-sink unit and this heat-conducting unit connects, and there is the air outlet of an air intake vent and this air intake vent of connection, described cross flow fan and this heat-sink unit are oppositely arranged, it has a framework and a centrifugal flabellum group, described framework is provided with the air side of this air intake vent of docking, multiple inlet air side and multiple frame portion, described inlet air side is opened in described framework each other, and be communicated with relative air side, and described frame portion has a pockets, described pockets communicates with each other and jointly defines one and is installed with space, this is installed with space and is communicated with this air side and inlet air side, and in order to be installed with this centrifugal flabellum group.
By the design of aforesaid fan module, in space limited under, still effectively significantly can increase the air flow rate of cross flow fan, also can reduce the volume of fan module; In addition, the phenomenon of vibration that known fan causes because of the beat amount of the long generation of blade and different sound can more effectively be improved.
Specifically, the invention provides a kind of fan module, comprising:
One heat-conducting unit, its one end is attached on a thermal source;
One heat-sink unit, connects with the other end of this heat-conducting unit relative, and has the air outlet of an air intake vent and this air intake vent of connection; And
At least one cross flow fan, be oppositely arranged with this heat-sink unit, it has a framework and a centrifugal flabellum group, described framework is provided with the air side of this air intake vent of docking, multiple inlet air side and multiple frame portion, and described inlet air side is opened in described framework each other, and is communicated with relative air side, and described frame portion has a pockets, described pockets communicates with each other and jointly defines one and is installed with space, and this is installed with space and is communicated with described air side and inlet air side, and in order to be installed with this centrifugal flabellum group.
Preferably, described fan module, described framework two ends also have one first dividing plate and a second partition, and this first and second dividing plate is respectively equipped with an axle center hole.
Preferably, described fan module, described centrifugal flabellum group has an axle center and multiple Vane wheel, and described axle center wears described Vane wheel and provides described axle center hole.
Preferably, described fan module, described Vane wheel has multiple fan leaf respectively, and it is located on all sides in this axle center and is relatively located in described pockets.
Preferably, described fan module, described heat-conducting unit also has an endothermic section and a radiating part, and this endothermic section is attached on described thermal source, and this heat-sink unit and this radiating part connect.
Preferably, described fan module, described cross flow fan also has at least one side plate, and it is arranged at position, described air side.
Preferably, described fan module, the element that described heat-sink unit can be radiating fin group or radiator or tool thermal diffusivity is wherein arbitrary.
Preferably, described fan module, the element that described heat-conducting unit can be heat pipe or hot plate or tool thermal conductivity is wherein arbitrary.
Preferably, described fan module, described heat-sink unit has multiple radiating fin, is formed with a honeycomb duct between described radiating fin, and this honeycomb duct is communicated with described air intake vent and air outlet.
Preferably, described fan module, described cross flow fan is more provided with a motor, its be arranged at described first dividing plate or second partition wherein arbitrary.
The present invention has following advantages compared to known:
1. significantly reduce volume;
2. reduce the generation of vibration and different sound;
3. increase heat dissipation.
Accompanying drawing explanation
Fig. 1 is the three-dimensional combination figure of known fan module;
Fig. 2 A is the three-dimensional exploded view of the first embodiment of fan module of the present invention;
Fig. 2 B is the three-dimensional combination figure of the first embodiment of fan module of the present invention;
Fig. 3 A is the three-dimensional exploded view of the second embodiment of fan module of the present invention;
Fig. 3 B is the three-dimensional combination figure of the second embodiment of fan module of the present invention;
Fig. 4 is the three-dimensional combination figure of the 3rd embodiment of fan module of the present invention.
Main element symbol description
Fan module 2
Heat-conducting unit 20
Endothermic section 201
Radiating part 202
Heat-sink unit 21
Radiating fin 211
Honeycomb duct 212
Air intake vent 213
Air outlet 214
Cross flow fan 22
Framework 221
Inlet air side 2211
Air side 2212
Frame portion 2213
Pockets 2213a
Be installed with space 2214
First dividing plate 2215
Second partition 2216
Axle center hole 2217
Side plate 2218
Centrifugal flabellum group 222
Axle center 2221
Vane wheel 2223
Fan leaf 2223a
Motor 23
Thermal source 24
Embodiment
Characteristic on above-mentioned purpose of the present invention and structure and fuction thereof, is explained the preferred embodiment according to institute's accompanying drawings.
Refer to Fig. 2 A, Fig. 2 B, for three-dimensional exploded view and the three-dimensional combination figure of the first embodiment of fan module of the present invention, as shown in the figure, a kind of fan module 2, comprise: heat-conducting unit 20, heat-sink unit 21 and an at least one cross flow fan 22, described heat-conducting unit 20 has endothermic section 201 and a radiating part 202, this endothermic section 201 is attached on a thermal source 24 (as central processing unit, north and south bridge wafer, drawing wafer or performance element etc.), and the heat that the function of this endothermic section 201 produces for absorption thermal source 24, and be passed on this radiating part 202; And the element that this heat-conducting unit 20 can be heat pipe or hot plate or tool thermal conductivity is wherein arbitrary, in the present embodiment using heat pipe as explanation, but do not regard it as and be limited.
Described heat-sink unit 21 connects with the radiating part 202 of this heat-conducting unit 20 relative, and has the air outlet 214 of an air intake vent 213 and this air intake vent 213 of connection; The element that this heat-sink unit 21 can be radiating fin group or radiator or tool thermal diffusivity is wherein arbitrary, in the present embodiment using radiating fin group as explanation, but does not regard it as and is limited; This heat-sink unit 21 has multiple radiating fin 211, and described radiating fin 211 is formed with a honeycomb duct 212 each other, and this honeycomb duct 212 is communicated with described air intake vent 213 and air outlet 214.
The aforesaid cross flow fan 22 of another person is oppositely arranged with this heat-sink unit 21, this cross flow fan 22 has framework 221 and a centrifugal flabellum group 222, described framework 221 is provided with the air side 2212 of the air intake vent 213 of a docking heat-sink unit 21, multiple inlet air side 2211 and multiple frame portion 2213, described inlet air side 2211 is opened in described framework 221 each other, and be communicated with relative air side 2212, and described frame portion 2213 has a pockets 2213a, described pockets 2213a communicates with each other and jointly defines one and is installed with space 2214, this is installed with space 2214 and is communicated with described air side 2212 and inlet air side 2211, and be installed with space 2214 in order to be installed with described centrifugal flabellum group 222.
Moreover, aforesaid centrifugal flabellum group 222 has an axle center 2221 and multiple Vane wheel 2223, described Vane wheel 2223 has multiple fan leaf 2223a respectively, and it is located on all sides in this axle center 2221 and is relatively located in the pockets 2213a in described frame portion 2213; The two ends of described framework 221 also have one first dividing plate 2215 and a second partition 2216, and this first and second dividing plate 2215,2216 has an axle center hole 2217 respectively, and aforesaid axle center 2221 wears described Vane wheel 2223 and provides described axle center hole 2217.
In addition, aforesaid cross flow fan 22 is more provided with a motor 23, and it is arranged at described first dividing plate 2215 or second partition 2216 any position place, and is connected with this centrifugal flabellum group 222, and it rotates in order to drive this centrifugal flabellum group 222, therefore by the invention of aforesaid fan module 2, when the motor 23 of this cross flow fan 22 order about this centrifugal flabellum group 222 rotate time, first can outside fluid be directed in described pockets 2213a via described inlet air side 2211, then fluid is expelled to via this air side 2212 in the air intake vent 213 of relative heat-sink unit 21 by described Vane wheel 2223 again, and the fluid of discharging is flowed to the direction of described air outlet 214 by the honeycomb duct 212 of described radiating fin 211 again, and the heat that described radiating part 202 can conduct on described radiating fin 211 by fluid is discharged by this air outlet 214 in the lump, to increase heat dissipation and to reach radiating effect.
In addition, the design of this structure of the present invention, can under limited space, and described centrifugal flabellum group 222 and axle center 2221 still can horizontal expansions in the past, and enter with outside heat radiation usefulness by the flow that this cross flow fan 22 significantly increases air-flow, also effectively can reduce the volume of fan module 2; Moreover, its blade is increased the vibration that causes of beat amount and the different sound produced by known fan module phenomenon in order to increase heat dissipation can be improved.
Refer to Fig. 3 A, Fig. 3 B, for three-dimensional exploded view and the three-dimensional combination figure of the second embodiment of fan module of the present invention, described fan module portion of element and interelement corresponding relation identical with aforesaid fan module, therefore do not repeat them here, only this fan module and aforementioned topmost difference are, described cross flow fan 22 also has at least one side plate 2218, and described side plate 2218 is arranged at position, described air side 2212, and is relatively located at air intake vent 213 place of described heat-sink unit 21; Therefore when the motor 23 of this cross flow fan 22 drives this centrifugal flabellum group 222 to rotate, can outside fluid be directed in described pockets 2213a via described inlet air side 2211, then fluid is expelled to by described Vane wheel 2223 in the air intake vent 213 of relative heat-sink unit 21, and fluid can be flowed towards this air outlet 214 direction by the honeycomb duct 212 of described radiating fin 211, and in simultaneously, carry heat can be carried out discharging operation toward this air outlet 214 by fluid, enters to increase heat radiation function and reaches radiating effect.
Finally refer to Fig. 4, for the three-dimensional combination figure of the 3rd embodiment of fan module of the present invention, described fan module portion of element and interelement corresponding relation identical with aforesaid fan module, therefore do not repeat them here, only this fan module and aforementioned topmost difference are, described cross flow fan 22 can be simultaneously multiple side-by-side, can make fluid that carry heat is carried out discharging operation toward the air outlet 214 of described heat-sink unit 21 equally, and then reach the usefulness of heat radiation; And be using two cross flow fans 22 side by side as explanation in the present embodiment, but do not regard it as and be limited.
The above, the present invention has following advantages compared to known:
1. significantly reduce volume;
2. reduce the generation of vibration and different sound;
3. increase heat dissipation.
Below the present invention be described in detail, only as described above, be only a preferred embodiment of the present invention, when not limiting scope of the invention process.Namely all equalizations done according to the claims in the present invention scope change and modify, and all still should belong to patent covering scope of the present invention.

Claims (8)

1. a fan module, is characterized in that, comprising:
One heat-conducting unit, its one end is attached on a thermal source;
One heat-sink unit, it connects with the other end of this heat-conducting unit relative, and has the air outlet of an air intake vent and this air intake vent of connection; And
At least one cross flow fan, itself and this heat-sink unit is oppositely arranged, it has a framework and a centrifugal flabellum group, described framework is provided with the air side of this air intake vent of docking, multiple inlet air side and multiple frame portion, and described inlet air side is opened in described frame portion each other, and is communicated with relative air side, and described frame portion has a pockets, described pockets communicates with each other and jointly defines one and is installed with space, and this is installed with space and is communicated with described air side and inlet air side, and in order to be installed with this centrifugal flabellum group;
Described framework two ends also have one first dividing plate and a second partition, and this first and second dividing plate is respectively equipped with an axle center hole;
Described centrifugal flabellum group has an axle center and multiple Vane wheel, and described axle center wears described Vane wheel and provides described axle center hole.
2. fan module as claimed in claim 1, it is characterized in that, described Vane wheel has multiple fan leaf respectively, and it is located on all sides in this axle center and is relatively located in described pockets.
3. fan module as claimed in claim 1, it is characterized in that, described heat-conducting unit also has an endothermic section and a radiating part, and this endothermic section is attached on described thermal source, and this heat-sink unit and this radiating part connect.
4. fan module as claimed in claim 1, it is characterized in that, described cross flow fan also has at least one side plate, and it is arranged at position, described air side.
5. fan module as claimed in claim 1, it is characterized in that, the element that described heat-sink unit can be radiating fin group or radiator or tool thermal diffusivity is wherein arbitrary.
6. fan module as claimed in claim 1, it is characterized in that, the element that described heat-conducting unit can be heat pipe or hot plate or tool thermal conductivity is wherein arbitrary.
7. fan module as claimed in claim 5, it is characterized in that, described heat-sink unit has multiple radiating fin, is formed with a honeycomb duct between described radiating fin, and this honeycomb duct is communicated with described air intake vent and air outlet.
8. fan module as claimed in claim 1, it is characterized in that, described cross flow fan is also provided with a motor, its be arranged at described first dividing plate or second partition wherein arbitrary.
CN201210022535.XA 2012-02-01 2012-02-01 Fan module Active CN102573426B (en)

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Publication number Priority date Publication date Assignee Title
TW201428184A (en) * 2013-01-10 2014-07-16 Wistron Corp Composite fan structure
CN104105379B (en) * 2013-04-12 2017-06-09 技嘉科技股份有限公司 Radiating subassembly and display card module
CN104421189B (en) * 2013-09-04 2017-08-29 广东美的暖通设备有限公司 Breeze fan and the air-conditioning with it
CN104421190B (en) * 2013-09-04 2017-11-10 广东美的暖通设备有限公司 Breeze fan and there is its air-conditioning
CN108980079A (en) * 2018-07-24 2018-12-11 大连碧蓝节能环保科技有限公司 Through-flow is centrifuged hybrid blower
CN108843603B (en) * 2018-07-24 2020-01-21 威海市豪顿风机股份有限公司 Parallel centrifugal fan

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TW200509780A (en) * 2004-11-18 2005-03-01 Asia Vital Components Co Ltd Heat sink module of Cross Flow Fan (CFF)
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CN202425282U (en) * 2012-02-01 2012-09-05 奇鋐科技股份有限公司 Fan module

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Publication number Priority date Publication date Assignee Title
CN1447424A (en) * 2003-04-22 2003-10-08 威盛电子股份有限公司 Combination of side blowing type heat radiation fins for electronic components
TW200509780A (en) * 2004-11-18 2005-03-01 Asia Vital Components Co Ltd Heat sink module of Cross Flow Fan (CFF)
CN2882204Y (en) * 2005-12-23 2007-03-21 禾富热导股份有限公司 Vertical fan radiator structure
CN202425282U (en) * 2012-02-01 2012-09-05 奇鋐科技股份有限公司 Fan module

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