CN103079383A - Heat radiator - Google Patents
Heat radiator Download PDFInfo
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- CN103079383A CN103079383A CN2011103825977A CN201110382597A CN103079383A CN 103079383 A CN103079383 A CN 103079383A CN 2011103825977 A CN2011103825977 A CN 2011103825977A CN 201110382597 A CN201110382597 A CN 201110382597A CN 103079383 A CN103079383 A CN 103079383A
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- fan
- radiator
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- centrifugal fan
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- 230000005855 radiation Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000000007 visual effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000009183 running Effects 0.000 description 2
- 238000010420 art technique Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a heat radiator, which comprises a fin unit, a centrifugal fan and an axial flow fan. The centrifugal fan is arranged on one side of the fin units, rotates around a first axis, and has an air inlet direction and an air outlet direction, wherein the air inlet direction is parallel to the first axis, and the air outlet direction is perpendicular to the first axis. The axial flow fan is obliquely arranged on the other opposite side of the fin unit and rotates by a second axis, an included angle is formed between the second axis and the first axis, and the axial flow fan is provided with an air inlet direction and an air outlet direction which are parallel to the second axis. The air flow blown by the centrifugal fan is blown to the axial flow fan along the air outlet direction of the centrifugal fan.
Description
[technical field]
The present invention is about a kind of radiator, particularly a kind of radiator with centrifugal fan and tube-axial fan.
[background technology]
Development along with present science and technology, in computer system or other electronic systems, the arithmetic speed of processing unit is more and more faster, and required data quantity to be processed is also more and more, so the temperature that processing unit produces in the process of the data of processing is also more and more higher, so problem and the technology of heat radiation are also more aobvious important.
In order to solve the problem of heat radiation, many by radiator or the work of heat radiation module processing heat radiation are set at arithmetic unit at present, and present modal radiator or heat radiation module mainly are the masters that is designed to fan, for example all have fan assembly to dispel the heat on central processing unit or demonstration wafer.
At present in the fansink designs of single fan, when running, often along with the rising of temperature, and must relatively promote rotation speed of the fan, but the rotating speed of fan itself must there be its restriction, and can't unconfined always lifting.And, when improving rotation speed of the fan, so that the noise that fan produces when rotating increases thereupon, adding the rotation speed of the fan of being taken in when very high also, fan can can't suck enough air, has caused the air pressure of fan inside lower, and then has affected the air output of fan.
Moreover because fan is when being in high-speed state, its air output can't effectively promote, so fan needs further to increase rotating speed increasing air output, but may can't improve rotation speed of the fan this moment again, or may so that noise content promote in the lump.
How to overcome present existing fan because of its rotating speed limits to some extent can't heat radiation usefulness, and how this to overcome the situation that known techniques can't be taken into account high heat dissipation efficiency and low noise value, is personnel's problem demanding prompt solution of present correlative technology field.
[summary of the invention]
In order to solve the disappearance of above-mentioned known techniques, the invention provides a kind of radiator, use solving the radiator of commonly using single fan because the rotation speed of the fan restriction causes air output not enough, and the high noisy problem that when promoting rotation speed of the fan, causes.
Radiator of the present invention comprises a fin unit, a centrifugal fan and a tube-axial fan.Centrifugal fan is arranged at a side of fin unit, is rotated with one first axle center, and has an air intake direction and an air-out direction, and the air intake direction parallels with the first axle center, and air-out direction and the first axle center are perpendicular.Tube-axial fan is obliquely installed the relative opposite side in the fin unit, is rotated with one second axle center, has an angle between the second axle center and the first axle center, and tube-axial fan has an air intake direction and an air-out direction, all parallels with the second axle center.The air-flow that centrifugal fan blows out blows to tube-axial fan along the air-out direction of centrifugal fan.
The disclosed radiator of the invention described above, wherein tube-axial fan air-out direction and the air-out direction intersection of centrifugal fan, tube-axial fan is optionally driven, tube-axial fan is the inspiration air-flow outside radiator, and discharges air-flow and discharge outside radiator to affect from the air-flow of the air-out direction of centrifugal fan.
The disclosed radiator of the invention described above, wherein tube-axial fan the air intake direction more with the air-out direction intersection of centrifugal fan, tube-axial fan is optionally driven, and tube-axial fan is from the air-out direction inspiration air-flow of centrifugal fan and discharge outside radiator.
The disclosed radiator of the invention described above, radiator more includes a housing, and wherein fin unit, centrifugal fan and tube-axial fan are arranged in the housing, have an opening on the housing corresponding to centrifugal fan and tube-axial fan.
The disclosed radiator of the invention described above, the relative opposite side of fin unit is obliquely installed, and the tube-axial fan setting makes between the second axle center of tube-axial fan and the first axle center to have angle thereon.
The disclosed radiator of the invention described above more includes a heat pipe, is arranged at the fin unit, and wherein heat pipe is between centrifugal fan and tube-axial fan.
Radiator of the present invention utilizes centrifugal fan that the cold air of radiator outside is sucked under general operation situation, and after the air flow stream of its discharge crosses the fin unit, the torrid zone on the fin unit can be gone out outside the radiator, to reach the effect of heat radiation.And when the temperature increase of fin unit, tube-axial fan is by the startup of selectivity, this moment is because the design that tube-axial fan tilts, so that tube-axial fan is in the process of air intake and air-out, the air flow stream that meeting traction centrifugal fan is discharged is crossed the radiating airflow of fin unit, therefore the flow efficiency of heat radiation air-flow is reached the purpose of improving radiating effect.
Radiator of the present invention utilizes two kinds of operation principles that fan is different, by two kinds of dissimilar fan collocation runnings, by the efficient that promotes air current flow, not only can improving radiating effect, do not need again significantly to promote rotation speed of the fan, can reduce noise, more can the dust in the fin unit be taken out of by the variation of air current flow and have the effect of dedusting.
About feature of the present invention, implementation and effect, hereby cooperate graphicly to be described in detail as follows as most preferred embodiment.
[description of drawings]
Figure 1A is the schematic perspective view of first embodiment of the invention.
Figure 1B is the floor map of first embodiment of the invention.
Fig. 2 is the floor map of second embodiment of the invention.
Fig. 3 is the schematic perspective view of third embodiment of the invention.
Fig. 4 A is the schematic perspective view of fourth embodiment of the invention.
Fig. 4 B is the upward view of fourth embodiment of the invention.
Fig. 5 is the schematic perspective view of fifth embodiment of the invention.
Fig. 6 A is the schematic perspective view of sixth embodiment of the invention.
Fig. 6 B is the floor map of sixth embodiment of the invention.
Fig. 7 is the floor map of seventh embodiment of the invention.
The primary clustering symbol description:
10,20,30,40,50,60,70 radiators
11,21,31 fin unit, 13 centrifugal fans
15 tube-axial fan AX1 the first axle center
17 heat pipe AX2 the second axle center
19 electronic component ID1 air intake directions
41,51 housing ED1 air-out directions
411,511,512 opening θ angles
[embodiment]
Please refer to Figure 1A and Figure 1B, Figure 1A is the schematic perspective view of radiator 10 of the present invention, and Figure 1B is the floor map of radiator 10 of the present invention.
The disclosed radiator 10 of first embodiment of the invention includes a fin unit 11, a centrifugal fan 13 and a tube-axial fan 15.Centrifugal fan 13 is arranged at a side of fin unit 11, be rotated with one first axle center AX1, and centrifugal fan 13 has an air intake direction ID1 and an air-out direction ED1, and air intake direction ID1 parallels with the first axle center AX1, and air-out direction ED1 is then perpendicular with the first axle center AX1.
The tube-axial fan 15 of the first embodiment is obliquely installed the relative opposite side in fin unit 11, is rotated with one second axle center AX2, and because the relation that is obliquely installed has an angle theta between the second axle center AX2 and the first axle center AX1.And the tube-axial fan 15 of the first embodiment has an air intake direction ID2 and an air-out direction ED2, all parallels with the second axle center AX2.
In the radiator 10 of the present embodiment, centrifugal fan 13 can suck cold air from the outside of radiator 10 with air intake direction ID1, and discharge with air-out direction ED1, because the air intake direction ID1 of centrifugal fan 13 is mutually vertical with air-out direction ED1, so the air-flow that centrifugal fan 13 blows out blows to tube-axial fan 15 along the air-out direction ED1 of centrifugal fan 13.
The tube-axial fan 15 of the disclosed radiator 10 of first embodiment of the invention is tilted the relative opposite side that is arranged at fin unit 11, the direction that tilts makes the air-out direction ED1 intersection of air-out direction ED2 and the centrifugal fan 13 of tube-axial fan 15, when tube-axial fan 15 is optionally driven, tube-axial fan 15 can be distinguished and admirable by air intake direction ID2 inspiration from the outside of radiator 10, and discharge air-flow towards air-out direction ED2 and discharge to the outside of radiator 10 to affect from the air-flow of the air-out direction ED1 of centrifugal fan 13.
When the temperature increase of fin unit 11, when optionally driven by tube-axial fan 15, tube-axial fan 15 not only can be introduced cold air to strengthen the effect of heat radiation from the outside of radiator 10, and tube-axial fan 15 is when discharging air-flow, because the air-out direction ED1 intersection of air-out direction ED2 and centrifugal fan 13, the principle of therefore mutually drawing by air-flow, the air-flow that tube-axial fan 15 is discharged can promote the flow efficiency of the radiating airflow that centrifugal fan 13 discharges, and strengthens the effect of heat radiation.
The radiator 10 of embodiment that the present invention discloses is effective improving radiating effect not only, and does not need to promote the rotating speed of centrifugal fan 13, therefore can not increase noise, takes into account simultaneously the advantage of high heat dissipation efficiency and low noise generation.And, because the flow efficiency of air-flow promotes, more the dust of piling up in the fin unit 11 can be discharged.
It should be noted that in the diagram of the present embodiment to have an angle theta between the second axle center AX2 and the first axle center AX1, it is visual actually to use situation and does corresponding conversion, and angle theta is not limited with disclosed setting in the present embodiment.
What deserves to be explained is, centrifugal fan 13 and tube-axial fan 15 in the diagram of the present embodiment, its visual reality is used situation and is done corresponding conversion, and its structure and size are not limited with disclosed setting in the present embodiment.
Please refer to Fig. 2, be the floor map of radiator 20 of the present invention.The radiator 20 that the present invention discloses the second embodiment includes a fin unit 21, a centrifugal fan 13 and a tube-axial fan 15.Centrifugal fan 13 is arranged at a side of fin unit 21, be rotated with one first axle center AX1, and centrifugal fan 13 has an air intake direction ID1 and an air-out direction ED1, and air intake direction ID1 parallels with the first axle center AX1, and air-out direction ED1 is then perpendicular with the first axle center AX1.
Tube-axial fan 15 is arranged at the relative opposite side of fin unit 21, be rotated with one second axle center AX2, and tube-axial fan 15 has an air intake direction ID2 and an air-out direction ED2, all parallel with the second axle center AX2, and the angle setting because the relative opposite side of fin unit 21 tilts, tube-axial fan 15 arranges thereon, makes between the second axle center AX2 of tube-axial fan 15 and the first axle center AX1 to have an angle theta.
Operation principle and the previous embodiment of the radiator 20 of the present embodiment are similar, so the applicant repeats no more.
Please refer to Fig. 3, be the schematic perspective view of radiator 30 of the present invention.The radiator 30 that the present invention discloses the 3rd embodiment includes a fin unit 11, a centrifugal fan 13, a tube-axial fan 15 and a heat pipe 17.In the present embodiment, the configuration of fin unit 11, centrifugal fan 13 and tube-axial fan 15 and operating principle and previous embodiment are similar.
The radiator 30 of the present embodiment more comprises heat pipe 17, be arranged in the fin unit 11, heat pipe 17 and is arranged on the electronic component 19 between centrifugal fan 13 and tube-axial fan 15, and this electronic component 19 is the target of radiator 30 in the present embodiment.
Heat pipe is a kind of all special materials of temperature characteristics that has fast, the metal tube of its hollow, make it have the characteristics of light weight, and the characteristic of its quick samming, then make it have excellent thermal conductivity, therefore in the present embodiment, radiator 30 disperses by the conduction that the temperature in the fin unit 11 is quicker, average of arranging of heat pipe 17, to promote fan to the radiating effect of fin unit 11.
It should be noted that heat pipe 17 its visual actual use situation of number and position being set in the present embodiment and do corresponding conversion, but be not limited with disclosed magnitude setting and position in the present embodiment.
What deserves to be explained is, in the present embodiment, the pattern of electronic component 19 and position be only for the radiating principle of interpretation the present embodiment 30, and it is visual actually to use situation and do corresponding conversion, but is not limited with disclosed magnitude setting and position in the present embodiment.
Please refer to Fig. 4 A and Fig. 4 B, Fig. 4 A is the schematic perspective view of radiator 40 of the present invention, and Fig. 4 B is the upward view of radiator 40 of the present invention.
The radiator 40 that the present invention discloses the 4th embodiment includes a fin unit 11, a centrifugal fan 13, a tube-axial fan 15 and a housing 41.The fin unit 11 of the radiator 40 of the present embodiment and centrifugal fan 13 are arranged in the housing 41, have an opening 411 on its middle shell 41, and opening 411 is corresponding to centrifugal fan 13.
The opening 411 of the present embodiment housing 41 is corresponding to the air intake direction ID1 of centrifugal fan 13; make centrifugal fan 13 can in opening 411, suck the air of radiator 40 outsides; and housing 41 is with centrifugal fan 13 and 11 coatings of fin unit of radiator 40; purpose with protection radiator 40 can prevent that the fin unit 11 of high temperature from being touched by the outside.
Except the purpose with protection radiator 40; housing 41 has more the function of guiding radiator 40 internal gas flow flow directions; to such an extent as to flow in the air flow collection that makes centrifugal fan 13 blow out fin unit 11 opposite sides tube-axial fan 15 direction and be unlikely to scatter and blow out the effect that reduces heat radiation so that the radiating efficiency of radiator of the present invention promotes more.
It should be noted that radiator 40 in the present embodiment, can not comprise heat pipe 17, also can comprise heat pipe 17, radiator 40 is not limited to the disclosed enforcement aspect of the present invention in the present embodiment.And number and position being set it visually actual use situation and do corresponding conversion of heat pipe 17, but be not limited with disclosed magnitude setting and position in the present embodiment.
Please refer to Fig. 5, Fig. 5 is the schematic perspective view of radiator 50 of the present invention, and the disclosed radiator 50 of fifth embodiment of the invention includes a fin unit 11, a centrifugal fan 13, a tube-axial fan 15 and a housing 51.The fin unit 11 of the radiator 50 of the present embodiment, centrifugal fan 13 and tube-axial fan 15 are arranged in the housing 51, have two openings 511,512 on its middle shell 51, opening 511 is corresponding to centrifugal fan 13, and opening 512 is corresponding to tube-axial fan 15.
The opening 511 of the housing 51 of the present embodiment makes centrifugal fan 13 can suck the air of radiator 40 outsides in opening 511 corresponding to the air intake direction ID1 of centrifugal fan 13; In like manner; the opening 512 of the housing 51 of the present embodiment is corresponding to the air intake direction ID1 of tube-axial fan 15; make tube-axial fan 15 can in opening 512, suck the air of radiator 50 outsides; the effect of the housing 51 of the present embodiment is then similar with previous embodiment, all has the function of protection function and heat radiation.
It should be noted that radiator 50 in the present embodiment, can not comprise heat pipe 17, also can comprise heat pipe 17, radiator 50 is not limited to the disclosed enforcement aspect of the present invention in the present embodiment.And number and position being set it visually actual use situation and do corresponding conversion of heat pipe 17, but be not limited with disclosed magnitude setting and position in the present embodiment.
Please refer to Fig. 6 A and Fig. 6 B, Fig. 6 A is the schematic perspective view of radiator 60 of the present invention, and Fig. 6 B is the floor map of radiator 60 of the present invention.
The radiator 60 that the present invention discloses the 6th embodiment includes a fin unit 11, a centrifugal fan 13 and a tube-axial fan 25.Centrifugal fan 13 is arranged at a side of fin unit 11, be rotated with one first axle center AX1, and centrifugal fan 13 has an air intake direction ID1 and an air-out direction ED1, and air intake direction ID1 parallels with the first axle center AX1, and air-out direction ED1 is then perpendicular with the first axle center AX1.
The tube-axial fan 25 of the present embodiment is obliquely installed the relative opposite side in fin unit 11, is rotated with one second axle center AX2, and because the relation that is obliquely installed has an angle theta between the second axle center AX2 and the first axle center AX1.And the tube-axial fan 25 of the present embodiment has an air intake direction ID2 and an air-out direction ED2, all parallels with the second axle center AX2.
In the radiator 60 of the present embodiment, centrifugal fan 13 can suck cold air from the outside of radiator 60 with air intake direction ID1, and discharge with air-out direction ED1, because the air intake direction ID1 of centrifugal fan 13 is mutually vertical with air-out direction ED1, so the air-flow that centrifugal fan 13 blows out blows to tube-axial fan 25 along the air-out direction ED1 of centrifugal fan 13.
The tube-axial fan 25 of the disclosed radiator 60 of the present invention is tilted the relative opposite side that is arranged at fin unit 11, the direction that tilts makes the air-out direction ED1 intersection of air intake direction ID2 and the centrifugal fan 13 of tube-axial fan 25, when tube-axial fan 25 is optionally driven, tube-axial fan 25 can be distinguished and admirable by air intake direction ID2 inspiration, therefore attract the air-flow from the air-out direction ED1 of centrifugal fan 13, and air-flow is discharged in 60 outside towards air-out direction ED2 to radiator.
When the temperature increase of fin unit 11, when optionally driven by tube-axial fan 25, because the air intake direction ID2 of tube-axial fan 25 and the air-out direction ED1 intersection of centrifugal fan 13, tube-axial fan 25 can be introduced air from the air-out direction ED1 of centrifugal fan 13, the principle of mutually drawing by air-flow, tube-axial fan 25 is when discharging air-flow, the air-flow that tube-axial fan 25 sucks can promote the flow efficiency of the radiating airflow that centrifugal fan 13 discharges, and strengthens the effect of heat radiation.
Therefore, the radiator 60 of the present embodiment does not need to promote the rotating speed of centrifugal fan 13 in improving radiating effect, therefore can not increase noise, and because the flow efficiency of air-flow promotes, more the dust of piling up in the fin unit 11 can be discharged.
It should be noted that in the diagram of the present embodiment to have an angle theta between the second axle center AX2 and the first axle center AX1, it is visual actually to use situation and does corresponding conversion, and angle theta is not limited with disclosed setting in the present embodiment.
What deserves to be explained is, centrifugal fan 13 and tube-axial fan 25 in the diagram of the present embodiment, its visual reality is used situation and is done corresponding conversion, and its structure and size are not limited with disclosed setting in the present embodiment.
In addition, the radiator of the present embodiment equally can be by the use of the devices such as heat pipe, shell, the efficient of further heat radiation, and its operation principle is then similar with aforesaid embodiment, therefore the applicant repeats no more.
Please refer to Fig. 7, be the floor map of radiator 70 of the present invention.The radiator 70 that the present invention discloses the 7th embodiment includes a fin unit 31, a centrifugal fan 13 and a tube-axial fan 25.Centrifugal fan 13 is arranged at a side of fin unit 31, be rotated with one first axle center AX1, and centrifugal fan 13 has an air intake direction ID1 and an air-out direction ED1, and air intake direction ID1 parallels with the first axle center AX1, and air-out direction ED1 is then perpendicular with the first axle center AX1.
Tube-axial fan 25 is arranged at the relative opposite side of fin unit 31, be rotated with one second axle center AX2, and tube-axial fan 25 has an air intake direction ID2 and an air-out direction ED2, all parallel with the second axle center AX2, and the angle setting because the relative opposite side of fin unit 31 tilts, tube-axial fan 15 arranges thereon, makes between the second axle center AX2 of tube-axial fan 25 and the first axle center AX1 to have an angle theta.
Operation principle and the previous embodiment of the radiator 70 of the present embodiment are similar, therefore the applicant repeats no more.And the radiator of the present embodiment equally can be by the use of the devices such as heat pipe, shell, the efficient of further heat radiation, and its operation principle is then similar with aforesaid embodiment.
The radiator of each embodiment that the present invention discloses is by two kinds of dissimilar fans, and combination utilizes the operation principles of two kinds of fans, to promote air current flow efficient as means, use the purpose of reaching improving radiating effect, and do not need excessively to promote the rotating speed of fan, thereby can avoid unnecessary noise, have simultaneously the advantage of high heat dissipation efficiency and low noise value concurrently.And, the disclosed radiator of the present invention, the dust in radiator or the heat abstractor is discharged in the lifting that more can see through air current flow.
Although embodiments of the invention disclose as mentioned above; so be not to limit the present invention; anyly have the knack of related art techniques person; without departing from the spirit and scope of the present invention; such as according to the described shape of the present patent application scope, structure, feature and quantity when can doing a little change, therefore scope of patent protection of the present invention must be looked the appended claim person of defining of this specification and is as the criterion.
Claims (8)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100138758 | 2011-10-26 | ||
| TW100138758A TWI468101B (en) | 2011-10-26 | 2011-10-26 | Heat dissipater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103079383A true CN103079383A (en) | 2013-05-01 |
| CN103079383B CN103079383B (en) | 2016-12-14 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI832530B (en) * | 2022-11-02 | 2024-02-11 | 宏碁股份有限公司 | Electronic circuit module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2604550Y (en) * | 2003-03-17 | 2004-02-25 | 微星科技股份有限公司 | heat sink |
| CN2648133Y (en) * | 2003-09-04 | 2004-10-13 | 奇鋐科技股份有限公司 | Combined guide fan |
| CN102137581A (en) * | 2010-01-21 | 2011-07-27 | 技嘉科技股份有限公司 | Dual fan heat sink |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2604550Y (en) * | 2003-03-17 | 2004-02-25 | 微星科技股份有限公司 | heat sink |
| CN2648133Y (en) * | 2003-09-04 | 2004-10-13 | 奇鋐科技股份有限公司 | Combined guide fan |
| CN102137581A (en) * | 2010-01-21 | 2011-07-27 | 技嘉科技股份有限公司 | Dual fan heat sink |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI832530B (en) * | 2022-11-02 | 2024-02-11 | 宏碁股份有限公司 | Electronic circuit module |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201318541A (en) | 2013-05-01 |
| TWI468101B (en) | 2015-01-01 |
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