CN104089505A - Heat pipe radiator - Google Patents
Heat pipe radiator Download PDFInfo
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- CN104089505A CN104089505A CN201410360994.8A CN201410360994A CN104089505A CN 104089505 A CN104089505 A CN 104089505A CN 201410360994 A CN201410360994 A CN 201410360994A CN 104089505 A CN104089505 A CN 104089505A
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- heat
- fin
- pipe
- heat pipe
- periphery
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Abstract
The invention relates to a heat pipe radiator. The heat pipe radiator comprises a heat guiding block provided with an installation position and fans. The installation position is fixedly provided with a heat pipe. The heat pipe is fixedly provided with a plurality of overlapped cooling fins provided with a plurality of cooling holes. The cooling fins are provided with center parts and peripheral parts, the center parts are provided with through holes, the heat pipe penetrates through the through holes, and the peripheral parts are arranged around the heat pipe. The fans are fixedly arranged on the peripheral parts of the cooling fins. Due to the fact that the cooling fins are arranged in an overlapped mode, the radiating area is enlarged, heat stored at the condensation end of the heat pipe is rapidly and effectively radiated out, in addition, the pressure difference is formed when the fans work, external air enters the internal space defined by the center parts and the peripheral parts of the cooling fins through the first through holes to form airflow, the heat stored at the condensation end is blown to the exterior by the fans along with the airflow, and meanwhile, heat on the center parts and the peripheral parts of the cooling fins can be blown to the exterior by the fans along with the airflow.
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 has utilized heat-conduction principle and phase change medium, sees through heat pipe the heat of thermal objects is delivered to rapidly outside thermal source, 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 transmission, wherein heat conduction is the fastest.Heat pipe utilizes sweat cooling exactly, makes heat pipe two ends temperature difference very large, and heat is conducted fast.Inside heat pipe is to be pumped into negative pressure state, is filled with suitable liquid, and this boiling point of liquid is low, easily volatilization.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, in the time that 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 good thermal conduction characteristic of heat pipe, it is usually applied to radiator field.
But heat-pipe radiator structure of the prior art is single, affect it and by forms such as conduction, convection current, heat is distributed in time, cause radiating effect not good, cannot meet radiating requirements.
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;
At least one installation position is set on described heat-conducting block;
Described in each, on installation position, be fixedly installed a heat pipe;
Described in each, on heat pipe, be fixedly installed some layers of stacked fin, fin also arranges some louvres described in every one deck;
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 around described heat pipe setting;
Described fan is fixedly installed on the periphery of at least one described fin, for exhausting.
In one of them embodiment, on described heat-conducting block, also arrange 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 the first louvre is arranged at described central part.
In one of them embodiment, some described the first louvres are around described through hole setting.
In one of them embodiment, each described the 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 jointly arrange one described in fan.
In one of them embodiment, the periphery of described fin encloses and is arranged so that described fin is for being inverted convex shape.
Above-mentioned heat-pipe radiator adopts the stacked mode of multiple fin, increases area of dissipation, and the heat of the condensation end storage of heat pipe is fast and effeciently distributed.In addition, when fan work, mineralization pressure is poor, extraneous air enters in the central part of fin and inner space that periphery surrounds by the first louvre, form air-flow, and then the heat of condensation end storage is along with air-flow is blown to outside by fan, the heat on central part and the periphery of fin also can be along with air-flow is blown to outside by fan simultaneously.Wherein, the periphery that encloses moulding has increased the contact area with air-flow, makes air-flow can be defined as away the heat on periphery.
Brief description of the drawings
Fig. 1 is the cutaway view of the heat-pipe radiator of a preferred embodiment of the present invention;
Fig. 2 is the cutaway view of A-A direction shown in Fig. 1;
Fig. 3 is the cutaway view of the fin of a specific embodiment;
Fig. 4 is the present invention's cutaway view of the heat-pipe radiator of a preferred embodiment again;
Fig. 5 is the cutaway view of the heat-pipe radiator of the another preferred embodiment of the present invention;
Fig. 6 is that the B of heat-pipe radiator shown in Fig. 5 is to view.
Detailed description of the invention
See also Fig. 1 and Fig. 2, wherein, the cutaway view of the heat-pipe radiator 10 that Fig. 1 is a preferred embodiment of the present invention; Fig. 2 is the cutaway view of A-A direction shown in Fig. 1.
Heat-pipe radiator 10 comprises a heat-conducting block 11.At least one installation position is set on heat-conducting block 11, described in each, on installation position, is fixedly installed a heat pipe.In the present embodiment, so that an installation position 13 to be set on heat-conducting block 11, on installation position 13, to be fixedly installed a heat pipe 14 and to describe for example.
In the present embodiment, heat-conducting block 11 is for connecting the external heat source such as LED lamp, CPU that caloric value is larger, and the evaporation ends 141 of heat pipe 14 is fixedly installed on installation position 13, and the heat that heat-conducting block 11 sends external heat source conducts to the evaporation ends 141 of heat pipe 14.The caloric requirement of sending 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 velocity with the evaporation ends 141 of heat pipe 14.Preferably, on heat-conducting block 11, offer accommodating hole, and the evaporation ends of heat pipe 14 141 is worn in described accommodating hole, the outer wall of evaporation ends 141 of heat pipe 14 and the madial wall of described accommodating hole are closely reclined, to increase the contact area of heat-conducting block 11 and heat pipe 14, reach better radiating effect.And for example, heat-conducting layer is also set in accommodating hole, 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, heat pipe 14 is fixedly connected on heat-conducting block 11, and can be also thimble connector, heat pipe 14 is fixed on heat-conducting block 11.In other embodiments, fixture is not limited to buckle or thimble connector, as long as heat pipe 14 can be fixed on heat-conducting block 11 and avoid the embodiment that all belongs to fixture that is fixedly connected with that heat pipe 14 comes off from heat-conducting block 11.
On heat pipe 14, be fixedly installed some layers of stacked fin, every one deck fin also arranges some louvres.In the present embodiment, to be fixedly installed stacked two-layer fin on heat pipe 14, i.e. fin 15 and fin 16, for example describes.
Fin 15 arranges central part 151 and periphery 152, and the first through hole (not shown) is set on central part 151.Equally, fin 16 arranges central part 161 and periphery 162, and the second through hole (not shown) is set on central part 161.Heat pipe 14 is simultaneously through the first through hole and the second through hole.In the present embodiment, central part 151 is one circular tabular, and periphery 152 is an edge setting along central part 151, and perpendicular to the side plate of central part 151 1 sides.Described the first through hole is opened in the circle centre position of central part 151.Central part 161 is that a circle is tabular, and periphery 162 is an edge setting along central part 161, for example, and perpendicular to the side plate of central part 161 1 sides.Described the 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, so that the central part 151 of fin 15 sticks together with the central part 161 of fin 16 and gap is left in centre, the periphery 152 of fin 15 sticks together with the periphery 162 of fin 16 and gap is left in centre, as shown in Figure 1, make fin 15 stack and be placed in the open space that fin 16 surrounds.In other embodiments, multiple fin adopt the stacked mode of fin 15 and fin 16, to increase the radiating efficiency of heat-pipe radiator.
In the present embodiment, on the central part 151 of fin 15, offer some the first louvres 501 around described the first through hole, the inside of periphery 152 also offers some the second louvres 502, one opening of the second louvre 502 is opened in the upper edge away from the periphery 152 of central part 151, and its another opening is communicated with the first louvre 501.For the second louvre 502 is communicated with the first louvre 501, central part 151 inside also have the first connecting hole (figure is mark not), and in fact, the second louvre 502 is communicated with the first louvre 501 by described the first connecting hole.Same, on the central part 161 of fin 16, offer some the first louvres 601 around described the second through hole, the inside of periphery 162 also offers some the second louvres 602, for example, one opening of the second louvre 602 is opened in the upper edge away from the periphery 162 of central part 161, and its another opening is communicated with the first louvre 601; For the second louvre 602 is communicated with the first louvre 601, central part 161 inside also have the second connecting hole (figure is mark not), and in fact, the second louvre 602 is communicated with the first louvre 601 by described the second connecting hole.When heat pipe 14 through described the first through hole and described the second through hole.And for example, multiple the first louvres of scattering device and multiple the second louvre, each the second louvre separates setting with each the first louvre, i.e. and the non-connection setting of each louvre like this, can form hundred holes, thousand hole, the four sides ventilating system of the wind comes from.
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 heat is conducted 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.So circulation 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, limit greatly the radiating efficiency of heat pipe, but this programme adopts and some layers of fin that contact, the heat that can effectively condensation end 142 be stored passes through the contact area that himself and extraneous air are larger, distribute in time and effectively, greatly strengthened the radiating efficiency of heat pipe.
In addition, in the present embodiment, heat-pipe radiator 10 also comprises that one is fixedly installed on the fan 12 of the periphery apical margin of fin, for exhausting, makes air flow to fan 12 tops from the first louvre 501 and the first louvre 601; For example, 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 on the whole production and the transport of product.On the one hand, when fan 12 is worked, 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 is stored is along with air-flow is blown to outside by fan 12, the heat on central part 161 and the periphery 162 of fin 16 also can be along with air-flow is blown to outside by fan 12 simultaneously.Wherein, the periphery 162 that encloses moulding has increased the contact area with air-flow, makes air-flow can be defined as away the heat on periphery 162.
In order to solve the technical problem that air-flow and fin 15 contacts area are little, in one embodiment, when fin 15 is stacked with fin 16, joint gap between the two suitably increases, for example, adopt connecting rod that the periphery of fin 15 152 is fixedly connected with the periphery 162 of fin 16, or adopt back-up block that the central part of fin 15 151 is fixedly connected with the central part 161 of fin 16, can increase thus the joint gap between fin 15 and fin 16.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 of fin 15 151 and periphery 152 along with air-flow is blown to outside by fan 12, also the contact area that has increased fin 16 lateral walls and air-flow, radiating effect further increases simultaneously.
In addition, the a part of air-flow of the first louvre 501 and the first louvre 601 of flowing through enters the second louvre 502 and the second louvre 602 by described the first connecting hole and described the second connecting hole respectively, thereby the heat of fin 15 and fin 16 inside can be blown to outside by fan 12, further increase the radiating effect of fin.
For example, fin 16 expands and arranges with heat pipe 14 contact positions, like this, can effectively strengthen heat loss through conduction effect, for example, fin 16 arranges bulge, be fixedly installed on described heat pipe 14 by described bulge, for example, 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 cutaway 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 edges, the condensation end 242 of heat pipe 24 is through the through hole of offering on boss 211, increase the contact area of inwall and the heat pipe 24 of the through hole of offering on boss 211, the heat of more rapidly condensation end of heat pipe 24 242 being stored conducts to fin 21, further increases radiating efficiency.
As shown in Figure 4, it is the present invention's cutaway view of the heat-pipe radiator of a preferred embodiment again.
In one embodiment, multiple heat-pipe radiators are arranged side by side, and a fan is fixedly installed on the periphery of fin on multiple described heat-pipe radiators, for exhausting.That is to say the common fan that uses of multiple described heat-pipe radiators.In this embodiment, with two heat-pipe radiators, i.e. heat-pipe radiator 70 and heat-pipe radiator 80, for example describes.Heat-pipe radiator 70 and heat-pipe radiator 80 are arranged side by side, one fan 78 is fixedly installed on the periphery of fin of heat-pipe radiator 70 and the periphery of the fin of heat-pipe radiator 80, for simultaneously for heat-pipe radiator 70 and heat-pipe radiator 80 carry out exhausting heat radiation.Like this, be conducive to production and the use of product, be also convenient to connect the power supply of fan.
In one embodiment, on heat-conducting block 11, also arrange and the orthogonal some thermal holes in installation position 13, increase on the one hand convection effects, for increasing the contact area of heat-conducting block 11 and extraneous air, effectively increase the radiating effect of heat-conducting block 11 on the other hand.And for example, arrange somely to thermal hole, every 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 for example described truncated cone-shaped and the area ratio of bottom surface are 1:3.Another example is, like this, every 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 a certain extent the quickening convection current of internal hot zone air.
In one embodiment, between heat pipe 14 and installation position 13, a heat-conducting layer is also set, can strengthens the close contact effect of heat pipe 14 and installation position 13, make the heat of the external heat source absorbing on heat-conducting block 11 to conduct to heat pipe 14 by installation position 13 fast.For example, heat-conducting layer is silicone grease layer, and its thickness is less than 0.1 millimeter; In the time that the adaptive degree of mould is high, heat pipe 14 fits tightly installation position 13, and heat-conducting layer is to inject some silicone grease in essence, forms a continuous or discrete film, and its thickness is without restriction, and for example it is less than 0.05 millimeter.
Please refer to Fig. 5 and Fig. 6, its B that is respectively heat-pipe radiator 90 shown in the cutaway view of heat-pipe radiator 90 of the another preferred embodiment of the present invention and Fig. 5 is to view.
Wherein, the periphery 911 of fin 91 encloses and is arranged so that fin 91, for being inverted convex shape, like this, contributes to increase the heat radiation volume of heat loss through conduction, also contributes to the radiating surface of Enhanced Radiation Reduced Blast heat radiation.In this embodiment, periphery 911 places of enclosing form an end face 912, offer some air-vents 913 on end face 912.Fan 914 is arranged in fin 91 internal cavities 915 of innermost layer.For example, fan 914 is fixedly connected on periphery 911 madial walls of fin 91.Preferably, the end face of each stacked fin be arranged in parallel, and the air-vent of offering on each end face connects and arranges.In the time that 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, export outside to from air-vent 913 again, thereby realize by the form of convection current and exported fast and effectively the heat of heat-pipe radiator 90 to outside, can obtain extraordinary heat loss through convection effect, and the auxiliary heat conduction and heat radiation effect that has strengthened fin.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore 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 (10)
1. a heat-pipe radiator, is characterized in that, comprises a heat-conducting block and a fan;
At least one installation position is set on described heat-conducting block;
Described in each, on installation position, be fixedly installed a heat pipe;
Described in each, on heat pipe, be fixedly installed some layers of stacked fin, fin also arranges some louvres described in every one deck;
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 around described heat pipe setting;
Described fan is fixedly installed on the periphery of at least one described fin, for exhausting.
2. heat-pipe radiator according to claim 1, is characterized in that, on described heat-conducting block, also arranges and the orthogonal some thermal holes in installation position.
3. heat-pipe radiator according to claim 1, is characterized in that, between described heat pipe and described installation position, a heat-conducting layer is also set.
4. heat-pipe radiator according to claim 1, is characterized in that, described louvre comprises the first louvre and the second louvre, and described the first louvre is arranged at described central part.
5. heat-pipe radiator according to claim 4, is characterized in that, some described the first louvres are around described through hole setting.
6. heat-pipe radiator according to claim 4, is characterized in that, each described the second louvre is arranged on the periphery of described fin.
7. heat-pipe radiator according to claim 1, is characterized in that, described heat pipe is fixed on described installation position by a fixture.
8. according to the arbitrary described heat-pipe radiator of claim 1 to 7, 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.
9. heat-pipe radiator according to claim 8, is characterized in that, each described heat pipe jointly arrange one described in fan.
10. heat-pipe radiator according to claim 9, 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 true CN104089505A (en) | 2014-10-08 |
| CN104089505B CN104089505B (en) | 2016-04-06 |
Family
ID=51637243
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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104089505B (en) |
Cited By (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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN104089505B (en) | 2016-04-06 |
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Granted publication date: 20160406 Termination date: 20160725 |