CN104089505B - Heat-pipe radiator - Google Patents
Heat-pipe radiator Download PDFInfo
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- CN104089505B CN104089505B CN201410360994.8A CN201410360994A CN104089505B CN 104089505 B CN104089505 B CN 104089505B CN 201410360994 A CN201410360994 A CN 201410360994A CN 104089505 B CN104089505 B CN 104089505B
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- heat
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- pipe
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Abstract
The present invention relates to a kind of heat-pipe radiator.Heat-pipe radiator comprises the heat-conducting block and fan that arrange installation position; Installation position is fixedly installed heat pipe; Heat pipe is fixedly installed the fin that stacked some layers arrange some louvres; Fin arranges central part and periphery; Central part arranges through hole, and heat pipe is through through hole, and periphery is arranged around heat pipe; Fan is fixedly installed on the periphery of fin.Adopt the mode that multiple fin is stacked, increase area of dissipation, the heat that the condensation end of heat pipe stores fast and effeciently is distributed.In addition, during fan work, mineralization pressure is poor, extraneous air enters in the inner space that the central part of fin and periphery surround by the first louvre, form air-flow, and then the heat that condensation end stores blows to outside by fan along with air-flow, the heat simultaneously on the central part of fin and periphery also can be blown to outside by fan along with air-flow.
Description
Technical field
The present invention relates to a kind of radiator, particularly relate to a kind of heat-pipe radiator.
Background technology
As everyone knows, heat pipe is the Rapid Thermal hereditary property that make use of heat-conduction principle and phase change medium, is delivered to rapidly outside thermal source by the heat of thermal objects through heat pipe, and its capacity of heat transmission exceedes the capacity of heat transmission of any known metal.From three kinds of modes (radiation, convection current, conduction) of heat trnasfer, wherein heat transfer is the fastest.Heat pipe utilizes sweat cooling exactly, makes heat pipe two ends temperature difference very large, heat is conducted fast.Inside heat pipe is pumped into negative pressure state, is filled with suitable liquid, and this boiling point of liquid is low, easily volatilizees.Tube wall has liquid-sucking core, and it is made up of capillary-porous material.Heat pipe one end is evaporation ends, one end is condensation end in addition, when the evaporation ends of heat pipe is heated, liquid in capillary evaporates rapidly, and steam flows to condensation end under small pressure differential, and releases heat, regelation becomes liquid, liquid flows back to evaporation ends along porous material by the effect of capillary force again, and so circulation is more than, and heat reaches condensation end by the evaporation ends of heat pipe.Based on the thermal conduction characteristic that heat pipe is good, it is usually employed for radiator field.
But heat-pipe radiator structure of the prior art is single, affects it and by forms such as conduction, convection current, heat is distributed in time, cause radiating effect not good, cannot radiating requirements be met.
Summary of the invention
Based on this, be necessary to provide a kind of radiating effect good heat-pipe radiator.
A kind of heat-pipe radiator, comprises a heat-conducting block and a fan;
Described heat-conducting block arranges at least one installation position;
Installation position described in each is fixedly installed a heat pipe;
Heat pipe described in each is fixedly installed some layers of stacked fin, described in every one deck, fin also arranges some louvres;
Each described fin arranges central part and periphery;
Described central part arranges through hole, and described heat pipe is through described through hole, and described periphery is arranged around described heat pipe;
Described fan is fixedly installed on the periphery of at least one described fin, for exhausting.
In one of them embodiment, described heat-conducting block is also arranged and the orthogonal some thermal holes in installation position.
In one of them embodiment, between described heat pipe and described installation position, a heat-conducting layer is also set.
In one of them embodiment, described louvre comprises the first louvre and the second louvre, and described first louvre is arranged at described central part.
In one of them embodiment, some described first louvres are arranged around described through hole.
In one of them embodiment, each described second louvre is arranged on the periphery of described fin.
In one of them embodiment, described heat pipe is fixed on described installation position by a fixture.
In one of them embodiment, the periphery of each described fin surrounds a Plane Installation district, and described fan is fixedly installed on described Plane Installation district.
In one of them embodiment, each described heat pipe arranges fan described in jointly.
In one of them embodiment, the periphery of described fin encloses and is arranged so that described fin is for being inverted convex shape.
The mode that above-mentioned heat-pipe radiator adopts multiple fin stacked, increases area of dissipation, is fast and effeciently distributed by the heat that the condensation end of heat pipe stores.In addition, during fan work, mineralization pressure is poor, extraneous air enters in the inner space that the central part of fin and periphery surround by the first louvre, form air-flow, and then the heat that condensation end stores blows to outside by fan along with air-flow, the heat simultaneously on the central part of fin and periphery also can be blown to outside by fan along with air-flow.Wherein, enclose shaping periphery and increase the contact area with air-flow, make air-flow can be defined as away heat on periphery.
Accompanying drawing explanation
Fig. 1 is the sectional view of the heat-pipe radiator of a preferred embodiment of the present invention;
Fig. 2 is the direction of A-A shown in Fig. 1 sectional view;
Fig. 3 is the sectional view of the fin of a specific embodiment;
Fig. 4 is the sectional view of the present invention's heat-pipe radiator of a preferred embodiment again;
Fig. 5 is the sectional view of the heat-pipe radiator of the another preferred embodiment of the present invention;
The B direction view that Fig. 6 is heat-pipe radiator shown in Fig. 5.
Detailed description of the invention
See also Fig. 1 and Fig. 2, wherein, Fig. 1 is the sectional view of the heat-pipe radiator 10 of a preferred embodiment of the present invention; Fig. 2 is the direction of A-A shown in Fig. 1 sectional view.
Heat-pipe radiator 10 comprises a heat-conducting block 11.Heat-conducting block 11 arranges at least one installation position, installation position described in each is fixedly installed a heat pipe.Heat-conducting block 11 to be arranged an installation position 13 in the present embodiment, installation position 13 being fixedly installed a heat pipe 14 for example is described.
In the present embodiment, heat-conducting block 11 is for connecting the external heat sources such as the larger LED of caloric value, CPU, and the evaporation ends 141 of heat pipe 14 is fixedly installed on installation position 13, and the heat conduction that external heat source sends by heat-conducting block 11 is to the evaporation ends 141 of heat pipe 14.The caloric requirement sent due to external heat source conducts to the evaporation ends 141 of heat pipe 14 via heat-conducting block 11, therefore, increase heat-conducting block 11 and can effectively improve heat conduction speed with the evaporation ends 141 of heat pipe 14.Preferably, heat-conducting block 11 offers accommodating hole, and the evaporation ends 141 of heat pipe 14 is worn in described accommodating hole, the outer wall of the evaporation ends 141 of heat pipe 14 and the madial wall of described accommodating hole are closely reclined, to increase heat-conducting block 11 and the contact area of heat pipe 14, reach better radiating effect.And for example, in accommodating hole, also heat-conducting layer is set, such as silicone grease layer etc., to improve heat conductivility.
Heat pipe 14 is fixed on installation position 13 by a fixture.Fixture is preferably buckle, is fixedly connected on by heat pipe 14 on heat-conducting block 11, can be also thimble connector, is fixed on heat-conducting block 11 by heat pipe 14.In other embodiments, fixture is not limited to buckle or thimble connector, if heat pipe 14 can be fixed on heat-conducting block 11 avoids heat pipe 14 to come off from heat-conducting block 11 be fixedly connected with the embodiment all belonging to fixture.
Heat pipe 14 is fixedly installed some layers of stacked fin, every one deck fin also arranges some louvres.Heat pipe 14 to be fixedly installed stacked two-layer fin in the present embodiment, i.e. fin 15 and fin 16, for example is described.
Fin 15 arranges central part 151 and periphery 152, central part 151 is arranged the first through hole (not shown).Equally, fin 16 arranges central part 161 and periphery 162, central part 161 is arranged the second through hole (not shown).Heat pipe 14 is simultaneously through the first through hole and the second through hole.In the present embodiment, central part 151 is a circular plate-like shape, and periphery 152 is that the edge in a centrally portion 151 is arranged, and perpendicular to the side plate of central part 151 1 side.Described first through hole is opened in the circle centre position of central part 151.Central part 161 is a circular plate-like shape, periphery 162 be one centrally portion 161 edge arrange, such as, perpendicular to the side plate of central part 161 1 side.Described second through hole is opened in the circle centre position of central part 161.The area of central part 161 is greater than the area of central part 151, to stick together with the central part 161 of the central part 151 with fin 16 that make fin 15 and gap is left in centre, periphery 152 and the periphery 162 of fin 16 of fin 15 stick together and gap is left in centre, as shown in Figure 1, make fin 15 stack and be placed in an open space that fin 16 surrounds.In other embodiments, multiple fin adopts the stacked manner of fin 15 and fin 16, to increase the radiating efficiency of heat-pipe radiator.
In the present embodiment, the central part 151 of fin 15 offers some first louvres 501 around described first through hole, the inside of periphery 152 also offers some second louvres 502, one opening of the second louvre 502 is opened in the upper edge of the periphery 152 away from central part 151, and its another opening is communicated with the first louvre 501.In order to be communicated with the first louvre 501 by the second louvre 502, central part 151 inside also has the first connecting hole (figure does not mark), and in fact, the second louvre 502 is communicated with the first louvre 501 by described first connecting hole.Same, the central part 161 of fin 16 offers some first louvres 601 around described second through hole, the inside of periphery 162 also offers some second louvres 602, such as, one opening of the second louvre 602 is opened in the upper edge of the periphery 162 away from central part 161, and its another opening is communicated with the first louvre 601; In order to be communicated with the first louvre 601 by the second louvre 602, central part 161 inside also has the second connecting hole (figure does not mark), and in fact, the second louvre 602 is communicated with the first louvre 601 by described second connecting hole.Through described first through hole and described second through hole while heat pipe 14.And for example, multiple first louvre of scattering device and multiple second louvre, each second louvre is separated setting with each first louvre, and namely each louvre non-interconnected is arranged, like this, the ventilating system of can form thousand holes, hole hundred, the wind comes from four sides.
In actual applications, negative pressure state is pumped in heat pipe 14 inside, and is filled with suitable volatile and low-boiling liquid.Heat-conducting block 11 absorbs the heat that external heat source sends, and by heat conduction to the evaporation ends 141 of heat pipe 14, after the evaporation ends 141 of heat pipe 14 is heated, liquid in capillary absorbs heat rapidly and evaporates formation steam, steam is at the dirty condensation end 142 to heat pipe 14 of small pressure differential, and releases heat simultaneously, because steam temperature reduces, regelation becomes liquid, and liquid relies on the effect of capillary force to be back to evaporation ends 141 along the capillary of porous.Circulation like this is more than, heat constantly conducts to condensation end 142 by the evaporation ends 141 of heat pipe 14, because condensation end 142 is less with the contact area of extraneous air, significantly limit the radiating efficiency of heat pipe, but this programme adopts and the some layers of fin contacted, the heat that can effectively be stored by condensation end 142 is by the larger contact area of himself and extraneous air, in time and effectively distribute, the radiating efficiency of heat pipe is greatly enhanced.
In addition, in the present embodiment, heat-pipe radiator 10 also comprises the fan 12 that is fixedly installed on the periphery apical margin of fin, for exhausting, makes air flow to fan 12 top from the first louvre 501 and the first louvre 601; Such as, as shown in Figure 1, the periphery of each described fin surrounds a Plane Installation district, and described fan is fixedly installed on described Plane Installation district, like this, contributes to production and the transport of product on the whole.On the one hand, when fan 12 works, mineralization pressure is poor, in the inner space that extraneous air enters fin 16 central part 161 by the first louvre 501 and the first louvre 601 and periphery 162 surround, form air-flow, and then the heat that condensation end 142 stores blows to outside by fan 12 along with air-flow, the heat simultaneously on the central part 161 of fin 16 and periphery 162 also can be blown to outside by fan 12 along with air-flow.Wherein, enclose shaping periphery 162 and increase the contact area with air-flow, make air-flow can be defined as away heat on periphery 162.
In order to solve air-flow and the little technical problem of fin 15 contact area, in one embodiment, when fin 15 is stacked with fin 16, joint gap between the two suitably increases, such as, adopt connecting rod to be fixedly connected with the periphery 162 of fin 16 by the periphery 152 of fin 15, or adopt back-up block to be fixedly connected with the central part 161 of fin 16 by the central part 151 of fin 15, the joint gap between fin 15 and fin 16 can be increased thus.After air-flow is via the first louvre 501, in the inner space that a part flows to fin 16 central part 161 by the first louvre 601 and periphery 162 surround, a part by fin 15 and between joint gap by the heat on the central part 151 of fin 15 and periphery 152 along with air-flow blows to outside by fan 12, too increase the contact area of fin 16 lateral wall and air-flow, radiating effect increases further simultaneously.
In addition, the a part of air-flow flowing through the first louvre 501 and the first louvre 601 enters the second louvre 502 and the second louvre 602 respectively by described first connecting hole and described second connecting hole, thus can the heat of fin 15 and fin 16 inside be blown to outside by fan 12, further add the radiating effect of fin.
Such as, fin 16 and heat pipe 14 contact position expand and arrange, like this, can effectively strengthen heat loss through conduction effect, such as, fin 16 arranges bulge, be fixedly installed on described heat pipe 14 by described bulge, such as, bulge is set to have tubaeform cross section or isosceles trapezoid cross section; And for example, bulge is a boss; As shown in Figure 3, it is the sectional view of the fin 21 of a specific embodiment.Wherein, in the middle of the central part 210 of fin 21, there is a boss 211, the thickness of boss 211 is greater than the thickness at central part 210 edge, the condensation end 242 of heat pipe 24 is through the through hole that boss 211 is offered, increase the inwall of the through hole that boss 211 is offered and the contact area of heat pipe 24, the heat conduction stored by the condensation end 242 of heat pipe 24 more rapidly, to fin 21, increases radiating efficiency further.
As shown in Figure 4, it is the sectional view of the present invention's heat-pipe radiator of a preferred embodiment again.
In one embodiment, multiple heat-pipe radiator is arranged side by side, and a fan is fixedly installed on the periphery of fin on multiple described heat-pipe radiator, for exhausting.That is, multiple described heat-pipe radiator uses a fan jointly.With two heat-pipe radiators in this embodiment, i.e. heat-pipe radiator 70 and heat-pipe radiator 80, for example is described.Heat-pipe radiator 70 and heat-pipe radiator 80 are arranged side by side, one fan 78 is fixedly installed on the periphery of the periphery of the fin of heat-pipe radiator 70 and the fin of heat-pipe radiator 80, for carrying out exhausting heat radiation for heat-pipe radiator 70 and heat-pipe radiator 80 simultaneously.Like this, be conducive to the manufacture and usage of product, be also convenient to the power supply connecting fan.
In one embodiment, heat-conducting block 11 also being arranged and the orthogonal some thermal holes in installation position 13, increase convection effects on the one hand, on the other hand for increasing heat-conducting block 11 and the contact area of extraneous air, effectively increasing the radiating effect of heat-conducting block 11.And for example, arrange some to thermal hole, often pair of described thermal hole is located along the same line.And for example, described thermal hole is cylindrical, or described thermal hole is truncated cone-shaped, and the upper bottom surface of such as described truncated cone-shaped and the area ratio of bottom surface are 1:3.Another example is, like this, often pair of described thermal hole, two close bottom surfaces are upper bottom surface, and like this, hot gas enters from the upper bottom surface of thermal hole, and bottom surface is discharged, and contributes to the quickening convection current of internal hot zone air to a certain extent.
In one embodiment, between heat pipe 14 and installation position 13, a heat-conducting layer is also set, heat pipe 14 and the close contact effect of installation position 13 can be strengthened, make the heat of the external heat source that heat-conducting block 11 absorbs can conduct to heat pipe 14 quickly through installation position 13.Such as, heat-conducting layer is silicone grease layer, and its thickness is less than 0.1 millimeter; When the adaptive degree height of mould, heat pipe 14 fits tightly installation position 13, and heat-conducting layer is inject some silicone grease in essence, forms a continuous or discrete film, and its thickness is without the need to restriction, and such as it is less than 0.05 millimeter.
Please refer to Fig. 5 and Fig. 6, it is respectively the B direction view of heat-pipe radiator 90 shown in the sectional view of the heat-pipe radiator 90 of the another preferred embodiment of the present invention and Fig. 5.
Wherein, the periphery 911 of fin 91 encloses and is arranged so that fin 91 is for being inverted convex shape, like this, contributes to the heat radiation volume increasing heat loss through conduction, also contributes to the radiating surface of Enhanced Radiation Reduced Blast heat radiation.In this embodiment, periphery 911 encloses place's formation one end face 912, end face 912 offers some air-vents 913.Fan 914 is arranged in fin 91 internal cavities 915 of innermost layer.Such as, fan 914 is fixedly connected on periphery 911 madial wall of fin 91.Preferably, the top surface being parallel of each stacked fin is arranged, the through setting of the air-vent that each end face is offered.When fan 914 starts exhausting, air forms air-flow from fin 91 internal cavities 915 to air-vent 913, like this, the heat that the heat of the condensation end storage of heat pipe 34 and fin 91 distribute is along with air-flow is from the first louvre to cavity 915, outside is exported to again from air-vent 913, thus achieve and export the heat of heat-pipe radiator 90 to outside fast and effectively by the form of convection current, extraordinary heat loss through convection effect can be obtained, and the auxiliary heat conduction and heat radiation effect enhancing fin.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a heat-pipe radiator, is characterized in that, comprises a heat-conducting block and a fan;
Described heat-conducting block arranges at least one installation position;
Installation position described in each is fixedly installed a heat pipe;
Heat pipe described in each is fixedly installed some layers of stacked fin, described in every one deck, fin also arranges some louvres;
Each described fin arranges central part and periphery;
Described central part arranges through hole, and described heat pipe is through described through hole, and described periphery is arranged around described heat pipe;
Described fan is fixedly installed on the periphery of at least one described fin, for exhausting;
Described louvre comprises the first louvre and the second louvre, and described first louvre is arranged at described central part.
2. heat-pipe radiator according to claim 1, is characterized in that, described heat-conducting block is also arranged and the orthogonal some thermal holes in installation position.
3. heat-pipe radiator according to claim 1, is characterized in that, also arranges a heat-conducting layer between described heat pipe and described installation position.
4. heat-pipe radiator according to claim 1, is characterized in that, some described first louvres are arranged around described through hole.
5. heat-pipe radiator according to claim 1, is characterized in that, each described second louvre is arranged on the periphery of described fin.
6. heat-pipe radiator according to claim 1, is characterized in that, described heat pipe is fixed on described installation position by a fixture.
7., according to the arbitrary described heat-pipe radiator of claim 1 to 6, it is characterized in that, the periphery of each described fin surrounds a Plane Installation district, and described fan is fixedly installed on described Plane Installation district.
8. heat-pipe radiator according to claim 7, is characterized in that, each described heat pipe arranges fan described in jointly.
9. heat-pipe radiator according to claim 8, is characterized in that, the periphery of described fin encloses and is arranged so that described fin is for being inverted convex shape.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410360994.8A CN104089505B (en) | 2014-07-25 | 2014-07-25 | Heat-pipe radiator |
| CN201610133594.2A CN105737656B (en) | 2014-07-25 | 2014-07-25 | Heat-pipe radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410360994.8A CN104089505B (en) | 2014-07-25 | 2014-07-25 | Heat-pipe radiator |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610133594.2A Division CN105737656B (en) | 2014-07-25 | 2014-07-25 | Heat-pipe radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104089505A CN104089505A (en) | 2014-10-08 |
| CN104089505B true CN104089505B (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410360994.8A Expired - Fee Related CN104089505B (en) | 2014-07-25 | 2014-07-25 | Heat-pipe radiator |
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| Country | Link |
|---|---|
| CN (1) | CN104089505B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764705A (en) * | 2019-03-04 | 2019-05-17 | 安徽理工大学 | To the portable unit of article heat dissipation when a kind of environment temperature is higher |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2501013Y (en) * | 2001-10-17 | 2002-07-17 | 王福林 | Radiating string plate |
| CN1948880A (en) * | 2006-09-07 | 2007-04-18 | 郑日春 | Heat radiation device |
| CN203276154U (en) * | 2013-05-27 | 2013-11-06 | 汪凤兰 | Efficient heat dissipation device of computer CPU |
| CN204014389U (en) * | 2014-07-25 | 2014-12-10 | 东莞市闻誉实业有限公司 | Heat-pipe radiating apparatus |
-
2014
- 2014-07-25 CN CN201410360994.8A patent/CN104089505B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2501013Y (en) * | 2001-10-17 | 2002-07-17 | 王福林 | Radiating string plate |
| CN1948880A (en) * | 2006-09-07 | 2007-04-18 | 郑日春 | Heat radiation device |
| CN203276154U (en) * | 2013-05-27 | 2013-11-06 | 汪凤兰 | Efficient heat dissipation device of computer CPU |
| CN204014389U (en) * | 2014-07-25 | 2014-12-10 | 东莞市闻誉实业有限公司 | Heat-pipe radiating apparatus |
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| Publication number | Publication date |
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| CN104089505A (en) | 2014-10-08 |
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Granted publication date: 20160406 Termination date: 20160725 |