CN101859739B - Heat radiation module set - Google Patents
Heat radiation module set Download PDFInfo
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- CN101859739B CN101859739B CN200910132028XA CN200910132028A CN101859739B CN 101859739 B CN101859739 B CN 101859739B CN 200910132028X A CN200910132028X A CN 200910132028XA CN 200910132028 A CN200910132028 A CN 200910132028A CN 101859739 B CN101859739 B CN 101859739B
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- radiator
- heat
- fan
- radiation module
- heat radiation
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Abstract
The invention relates to a heat radiation module set which is applicable to radiating a heat source. The heat radiation module set comprises a first heat radiator, a fan, a second heat radiator and a partition plate. The first heat radiator is used for connecting to the heat source and is provided with an air outlet. The fan is adjacent to the first heat radiator. The second heat radiator is connected to the first heat radiator. The partition plate is arranged between the first heat radiator and the second heat radiator and is provided with an air inlet which corresponds to the fan. The airflow driven by the fan flows through the second heat radiator, the air inlet and the first heat radiator sequentially and then the airflow is exhausted from the air outlet of the first heat radiator.
Description
[technical field]
The invention relates to a kind of heat radiation module, and particularly about a kind of heat radiation module of thermal source in order to assist thermal source to dispel the heat that be disposed at.
[background technology]
Along with the advancing by leaps and bounds of science and technology, the operational effectiveness of electronic component is more and more high in recent years, makes that the heating power of various electronic components is also constantly soaring.In order to prevent electronic component overheated and cause electronic component to take place temporary or permanently lost efficacy, so provide enough heat dissipations will become extremely important.
In order to reduce the heat energy that electronic component is produced effectively when operating, can on the electronic component that temperature raises easily, install the heat radiation module additional, in order to remove the heat energy that these electronic components are produced rapidly when operating.In the prior art, radiating mode has two kinds of free convection and forced convertions.
Adopt the heat radiation module of free convection must have huge radiator, just can possess enough heat dissipations.Yet this heat radiation module volume and weight are bigger, cause manufacturing cost higher.Adopt the heat radiation module of forced convertion must the extra fan that is provided with, and fan can occupying volume volume outward.
When the heat radiation module uses tube-axial fan, be difficult to dispel the heat to the specific region, make radiating effect unsatisfactory.When the heat radiation module used centrifugal fan, the air output of fan was less, so can't reach the radiating effect of expection.
[summary of the invention]
The present invention proposes a kind of heat radiation module, in order to being disposed on the thermal source, and the thermal source better heat radiating effect is provided.
Other purposes of the present invention and advantage can further be understood from the technical characterictic that the present invention disclosed.
For reaching one of above-mentioned or partly or all purposes or other purposes, the present invention provides a kind of heat radiation module, is suitable for a thermal source is dispelled the heat.The heat radiation module comprises one first radiator, a fan, one second radiator and a dividing plate.First radiator is suitable for being connected to thermal source, and has an air outlet.Fan is adjacent to the first radiator setting.Second radiator is connected to first radiator.Dividing plate is disposed between first radiator and second radiator, and dividing plate has an air intake vent, and its position is corresponding to the position of fan.The air-flow that fan drove flow through in regular turn second radiator, air intake vent and first radiator; Discharge via the air outlet of first radiator then; In addition, the air-flow that fan drove is with opposite in the inner flow direction of first radiator in the inner flow direction of second radiator.
The heat radiation module of the above embodiment of the present invention utilizes a plurality of radiators and dividing plate to constitute overlapping runner, thus can increase heat exchange area and heat exchanger time between heat radiation module and air-flow, to improve radiating efficiency.
[description of drawings]
Fig. 1 is the sketch map according to a kind of module that dispels the heat of the first embodiment of the present invention.
Fig. 2 is the sketch map according to a kind of module that dispels the heat of the second embodiment of the present invention.
Fig. 3 is the sketch map of second surface of the heat-radiating substrate of Fig. 1.
Fig. 4 is the sketch map of second surface of the heat-radiating substrate of Fig. 2.
Fig. 5 is the local enlarged diagram of thermal source, heat-radiating substrate, first radiator and the fan of Fig. 1.
Fig. 6 is the sketch map according to a kind of module that dispels the heat of the third embodiment of the present invention.
100,100a, 100b: heat radiation module
120,120a, 120b: first radiator
121a: heat-radiating substrate
121b: radiating fin
122: air outlet
130,130a: fan
140,140a: dividing plate
142: air intake vent
150,150a: second radiator
160: diversion shell
170: the outlet conducting element
A1: thermal source orthographic projection
A2: fan orthographic projection
A3: efficiently radiates heat zone
H: thermal source
R1: first flow
R2: second runner
S1: first surface
S2: second surface
θ: angle of flare
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts a plurality of embodiment, and cooperates appended graphicly, elaborates as follows.
[embodiment]
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to a graphic preferred embodiment, can clearly appear.The direction term of being mentioned in following examples, for example " on ", D score, " preceding ", " back ", " left side ", " right side " etc., only be direction with reference to annexed drawings.Therefore, the direction term of use is to be used for explanation, but not is used for limiting the present invention.
Fig. 1 is the sketch map according to a kind of module that dispels the heat of the first embodiment of the present invention.Please with reference to Fig. 1, heat radiation module 100 is suitable for a heat source H is dispelled the heat, and heat source H for example is a LED source.Heat radiation module 100 comprises one first radiator 120, a fan 130, a dividing plate 140 and one second radiator 150.
In addition; In one embodiment; Second radiator 150 is to be stacked in first radiator, 120 tops; Make air-flow that fan 130 driven in the inner flow direction of second radiator 150 with opposite in the inner flow direction of first radiator 120, this is provided with the airflow path that not only can prolong in the heat radiation module 100, also can dwindle the volume of heat radiation module 100.
In the present embodiment, first radiator 120 comprises a heat-radiating substrate 121a and one group of spaced in regular turn radiating fin 121b, and second radiator 150 also can be the spaced in regular turn radiating fin of another group.
The air-flow that fan 130 is driven flow through in regular turn second radiator 150, air intake vent 142 and first radiator 120; Discharge via the air outlet 122 of first radiator 120 then; Therefore, fan 130 capable of using is with the mode of forced convertion; The torrid zone on first radiator 120 and second radiator 150 is walked, reached the purpose of heat radiation.
It should be noted that air-flow that fan 130 is driven flow through in regular turn second radiator 150 and first radiator 120, thereby increase heat exchange area and the heat exchanger time between heat radiation module 100 and air-flow, so can improve radiating efficiency.
In the present embodiment, second radiator 150 more can be connected to first radiator 120 via dividing plate 140, and the material of dividing plate 140 can be heat-conducting, for example metal; In other embodiments, the dividing plate 140 of heat-conducting can be one-body molded with second radiator 150.Therefore, the heat in first radiator 120 can be passed to second radiator 150 via dividing plate 140.
In the present embodiment, heat radiation module 100 more can comprise a diversion shell 160, and the side that it is disposed at second radiator 150 makes second radiator 150 between diversion shell 160 and dividing plate 140.Therefore, except first radiator 120 and dividing plate 140 forms one and is communicated in the first flow R1 of air intake vent 142, dividing plate 140, second radiator 150 and diversion shell 160 also form one second runner R2, it also is communicated in air intake vent 142.
In the present embodiment, the material of diversion shell 160 also can be Heat Conduction Material, and diversion shell 160 can be connected in second radiator 150.Make the heat of second radiator 150 can conduct to diversion shell 160 and dispel the heat, and promote radiating efficiency again.
In the present embodiment; Heat radiation module 100 also can comprise an outlet conducting element 170, and it is adjacent to air outlet 122, to change the flow direction of the air-flow of being discharged by air outlet 122; Particularly; Air-flow through first radiator 120 can see through outlet conducting element 170 change flow directions, and discharges away from the direction of second radiator 150 towards one, is back to heat radiation module 100 with the hot gas of avoiding discharging.
In the following example, heat radiation module 100a is identical haply with dispel the heat module 100b and heat radiation module 100 shown in Figure 1, and on behalf of same or analogous element, same or analogous element numbers repeat no more in this, and hereinafter will describe to difference.
Fig. 2 is the sketch map according to a kind of module that dispels the heat of the second embodiment of the present invention.Please be simultaneously with reference to Fig. 1 and Fig. 2, in first embodiment and second embodiment, fan 130 and 130a can be centrifugal fan, and its air-out direction is perpendicular to the rotating shaft of fan 130 and 130a.
In the heat radiation module 100 of Fig. 1; Fan 130 is arranged at first radiator, 120 1 sides; After air-flow can axially be sucked with respect to the rotating shaft of fan 130 by the air intake vent 142 of fan 130 tops, radially blow to first radiator 120 by fan 130 with respect to the rotating shaft of fan 130 again.
Yet; In the heat radiation module 100a of Fig. 2; Fan 130a is disposed at the central authorities of the first radiator 120a; After air-flow can axially be sucked with respect to the rotating shaft of fan 130a by the air intake vent 142 of fan 130 tops, radially blow to the first radiator 120a by fan 130a with respect to the rotating shaft of fan 130a again.
Fig. 3 is the sketch map of second surface of the heat-radiating substrate of Fig. 1, and Fig. 4 is the sketch map of second surface of the heat-radiating substrate of Fig. 2.Please be simultaneously referring to figs. 1 through Fig. 4, in first and second embodiment, heat-radiating substrate 121a has a first surface S1 and a second surface S2 with respect to first surface S1.First surface S1 is suitable for contacting heat source H.Radiating fin 121b and fan 130 and 130a all are disposed at second surface S2.
Because can't air-out under the centrifugal fan, so the position of heat source H setting need let heat source H not be overlapped in fan 130 and the orthographic projection A2 of 130a on second surface S2 in the orthographic projection A1 on the second surface S2.
In the heat radiation module 100 of Fig. 1, fan 130 is positioned at the side of first radiator 120, and therefore the orthographic projection A1 of the heat source H in Fig. 3 is positioned at the right regions of second surface S2.
In the heat radiation module 100a of Fig. 2, fan 130a is positioned at the inside of the first radiator 120a, therefore the orthographic projection A1 of the heat source H in Fig. 4 be positioned at fan 130a orthographic projection A2 around.
Fig. 5 is the local enlarged diagram of thermal source, heat-radiating substrate, radiating fin and the fan of Fig. 1.Please refer to Fig. 1, Fig. 3 and Fig. 5; In first embodiment; Heat source H also can have an angle of flare θ on heat-radiating substrate 121a, make the efficiently radiates heat zone A3 of heat source H on the second surface S2 of heat-radiating substrate 121a greater than the orthographic projection A1 of heat source H on second surface S2.Therefore; When considering that heat source H has the situation of angle of flare θ on heat-radiating substrate 121a; The position of heat source H on heat-radiating substrate 121a must be further from fan 130 and 130a, makes efficiently radiates heat zone A3 and the fan 130 of heat source H and the orthographic projection A2 of 130a on second surface S2 can be not overlapping.
Fig. 6 is the sketch map according to a kind of module that dispels the heat of the third embodiment of the present invention.In the third embodiment of the present invention; The first radiator 120b and the second radiator 150a of heat radiation module 100b are formed in one; Promptly the Lower Half of one group of spaced in regular turn fin 121b and heat-radiating substrate 121a constitute the first radiator 120b, and the first half of same group of fin 121b then constitutes the second radiator 150a.In addition, dividing plate 140a only separates the first radiator 120b and the inner gap of the second radiator 150a.
In the present embodiment; The material of dividing plate 140a can be adiabatic material; Plastic cement for example; Therefore dividing plate 140a will be can carry out the heat transmission between this group constitutes the adjacent fin of the first radiator 120b and the second radiator 150a, makes the heat of heat source H to be passed to the second radiator 150a rapidly and directly by the first radiator 120b and dispels the heat.
In sum, in the above embodiment of the present invention, the heat radiation module is superimposed by a plurality of radiators, can increase heat exchange area and heat exchanger time between heat radiation module and air-flow, makes the heat radiation module have good heat dissipation.In addition, the heat radiation module also can add the diversion shell and the flow direction that exports the conducting element steering current, and heat dissipation is promoted more.In addition, centrifugal fan can be arranged in the heat radiation module, with the volume of reduction heat radiation module.
The above; Be merely preferred embodiment of the present invention; When not limiting the scope that the present invention implements with this, the simple equivalent of promptly doing according to claim of the present invention and invention description generally changes and modifies, and all still belongs in the scope that patent of the present invention contains.Arbitrary embodiment of the present invention in addition or claim must not reached whole purposes or advantage or the characteristics that the present invention discloses.
Claims (8)
1. a heat radiation module is suitable for a thermal source is dispelled the heat, and this heat radiation module comprises:
One first radiator is suitable for being connected to this thermal source, and has an air outlet;
One fan is adjacent to this first radiator setting;
One second radiator is connected to this first radiator; And
One dividing plate is disposed between this first radiator and this second radiator, and this dividing plate has an air intake vent, and the position of this air intake vent is corresponding to the position of this fan,
This first radiator comprises a heat-radiating substrate and several radiating fins; This heat-radiating substrate has a first surface and a second surface with respect to this first surface; This first surface is suitable for contacting this thermal source; These radiating fins and this fan all are disposed at this second surface, make these radiating fins and this thermal source lay respectively at the relative both sides of this heat-radiating substrate, and make this fan and this thermal source lay respectively at these relative both sides of this heat-radiating substrate; This thermal source can be not overlapping in orthographic projection on this second surface and the orthographic projection of this fan on this second surface
The air-flow that wherein this fan drove flow through in regular turn this second radiator, this air intake vent and this first radiator are discharged via this air outlet of this first radiator then.
2. heat radiation module as claimed in claim 1 is characterized in that: this second radiator is connected to this first radiator via this dividing plate, and the material of this dividing plate is a heat-conducting.
3. heat radiation module as claimed in claim 1 is characterized in that: this first radiator and this second radiator are one of the forming, and this dividing plate is separated this first radiator and the inner gap of this second radiator, and the material of this dividing plate is adiabatic material.
4. heat radiation module as claimed in claim 1 is characterized in that: also comprise an outlet conducting element, be adjacent to this air outlet, to change the flow direction of this air-flow of being discharged by this air outlet.
5. heat radiation module as claimed in claim 1; It is characterized in that: also comprise a diversion shell; Be disposed at a side of this second radiator; Make this second radiator between this diversion shell and this dividing plate, this diversion shell, this second radiator and this dividing plate form zone, first-class road, and this runner zone is communicated in this air intake vent.
6. heat radiation module as claimed in claim 1; It is characterized in that: this thermal source has an angle of flare; Make this thermal source in the efficiently radiates heat zone on this second surface greater than the orthographic projection of this thermal source on this second surface, and this efficiently radiates heat of this thermal source zone can be not overlapping with the orthographic projection of this fan on this second surface.
7. heat radiation module as claimed in claim 1 is characterized in that: this thermal source is a light-emitting diode.
8. heat radiation module as claimed in claim 1 is characterized in that: this air-flow that this fan drove is with opposite in the inner flow direction of this first radiator in the inner flow direction of this second radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910132028XA CN101859739B (en) | 2009-04-13 | 2009-04-13 | Heat radiation module set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910132028XA CN101859739B (en) | 2009-04-13 | 2009-04-13 | Heat radiation module set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101859739A CN101859739A (en) | 2010-10-13 |
| CN101859739B true CN101859739B (en) | 2012-06-27 |
Family
ID=42945530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910132028XA Expired - Fee Related CN101859739B (en) | 2009-04-13 | 2009-04-13 | Heat radiation module set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101859739B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104519717B (en) * | 2013-09-30 | 2018-10-23 | 西门子电气传动有限公司 | Positive and negative rotation switching equipment and its cooling system |
| CN106102422B (en) * | 2016-08-09 | 2018-05-15 | 浙江科技学院 | The cooling mechanism and thermoelectric generator of thermoelectric generator |
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2009
- 2009-04-13 CN CN200910132028XA patent/CN101859739B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101859739A (en) | 2010-10-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120627 Termination date: 20140413 |