CN111442675A - Composite heat radiation structure - Google Patents
Composite heat radiation structure Download PDFInfo
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- CN111442675A CN111442675A CN202010230569.2A CN202010230569A CN111442675A CN 111442675 A CN111442675 A CN 111442675A CN 202010230569 A CN202010230569 A CN 202010230569A CN 111442675 A CN111442675 A CN 111442675A
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- Prior art keywords
- heat
- heat pipe
- temperature
- plate
- composite
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
Abstract
The invention provides a composite heat dissipation structure, comprising: at least one heat pipe and at least one temperature-equalizing plate; the heat pipe is provided with a first end, an extension part and a second end, and the first end and the second end are arranged at two ends of the extension part; the temperature-equalizing plate is selected to be wrapped or sleeved or annularly arranged or surrounded at any one of the first end, the second end and the extension part in an annular curling way, and the two ends of the temperature-equalizing plate are connected in an encircling way.
Description
Technical Field
The present invention relates to a composite heat dissipation structure, and more particularly to a composite heat dissipation structure with integrated large-area heat absorption and axial far-end heat transfer and heat dissipation effects.
Background
The uniform temperature plate and the heat pipe are common heat transfer elements, the uniform temperature plate is a large-area surface-to-surface heat transfer mode and is used for rapid uniform temperature diffusion, one surface of the uniform temperature plate is in contact with a heat source, and the other surface of the uniform temperature plate is provided with a heat dissipation element such as a heat dissipation fin, so that heat generated by the heat source is transferred to the heat dissipation fin and then heat dissipation and heat clearing are performed through heat exchange with air.
The working principle of the heat pipe is the same as that of the temperature equalizing plate, the same part conducts heat through heat exchange of two-phase flow, and the heat pipe is different from the temperature equalizing plate in that the heat pipe belongs to axial heat conduction, mainly transfers heat from one end of the heat pipe to the other end of the heat pipe, and is a far-end heat conduction mode.
The current manufacturers combine the vapor chamber and the heat pipe to achieve the effect of large area and far-end heat conduction, and most commonly, the heat pipe is wrapped in the airtight chamber of the vapor chamber or the airtight chamber of the heat pipe is connected with the airtight chamber of the vapor chamber, so as to achieve the effect of combining the vapor chamber and the heat pipe.
The above-mentioned way of combining the existing vapor chamber and heat pipe is comparatively tedious in the manufacturing process, and the vacuum degree is not easy to control, produce the defective products because lose the vacuum easily, no matter connect vapor chamber of vapor chamber and heat pipe each other with vapor chamber of the heat pipe, or insert one end of a heat pipe into the vacuum chamber of the vapor chamber is not easy to control and leak the vacuum easily, and the chamber of the vapor chamber also causes the deficiency of two changes of gas-liquid seriously to influence the heat transfer efficiency because of the imbedding of the heat pipe, and its function and form need the customization therefore can't be general, cause and use the great inconvenience and puzzlement, how to improve the deficiency that the prior art brought, then the goal that the existing one improves first.
Disclosure of Invention
Accordingly, the present invention is directed to a composite heat dissipation structure that integrates the large area heat conduction of the temperature equalization plate and the axial and distal heat conduction of the heat pipe.
To achieve the above object, the present invention provides a composite heat dissipation structure, comprising:
the heat pipe is provided with a first end, an extension part and a second end, and the first end and the second end are arranged at two ends of the extension part;
at least one temperature-equalizing plate, which is selected to cover any one of the first end, the second end and the extending part in a ring-shaped curling way, and the two ends of the temperature-equalizing plate are connected in a surrounding way.
The combined type heat radiation structure, wherein: the temperature-uniforming plate is provided with an airtight cavity, the wall surface of the airtight cavity is provided with a capillary structure, working liquid is filled in the airtight cavity, the upper side and the lower side of the temperature-uniforming plate are provided with a first side and a second side, the outer edge of the airtight cavity is provided with a lip edge, after the temperature-uniforming plate is curled, the lip edges at the two ends of the temperature-uniforming plate are connected with each other, the second side is positioned at the curled inner side of the temperature-uniforming plate, and the second side is attached to the outer edge of the heat pipe.
The combined type heat radiation structure, wherein: the first side of the temperature equalizing plate is a heat absorption side and is in contact with at least one heat source to conduct the heat source, the second side is a heat dissipation side and can conduct heat to the attached heat pipe to conduct heat, and the rest parts of the first side, which are not in contact with the heat source, are provided with a plurality of heat dissipation fins.
The combined type heat radiation structure, wherein: the heat pipe structure is characterized by further comprising a first heat pipe, a second heat pipe and a third heat pipe, wherein the first heat pipe, the second heat pipe and the third heat pipe are horizontally arranged in parallel, the temperature equalizing plate is simultaneously coated on the outer edges of the first heat pipe, the second heat pipe and the third heat pipe, and one ends of the first heat pipe, the second heat pipe and the third heat pipe, which are in contact with the temperature equalizing plate, are flat.
The combined type heat radiation structure, wherein: the temperature-uniforming plate is provided with an airtight cavity, the wall surface of the airtight cavity is provided with a capillary structure, working liquid is filled in the airtight cavity, the temperature-uniforming plate is in a flat plate curling tubular shape, and two ends of the temperature-uniforming plate are connected, namely the airtight cavity is communicated in an annular shape.
The combined type heat radiation structure, wherein: the heat pipe is a flat heat pipe, the temperature equalizing plate is coiled and wrapped around the outer edge of one end of the heat pipe, and the other end of the heat pipe is provided with a plurality of radiating fins or a radiator or a water cooling module in series.
The combined type heat radiation structure, wherein: the heat pipe is internally provided with a vacuum chamber which is independently arranged.
The combined type heat radiation structure, wherein: the first end and the second end are flat, elliptic or square.
The combined type heat radiation structure, wherein: a first radiator is arranged between the temperature-equalizing plate and the heat pipe, and the inner edge of the temperature-equalizing plate covers one side of the first radiator and one side of the heat pipe simultaneously.
The combined type heat radiation structure, wherein: the first heat sink has a plurality of heat dissipation fins.
The combined type heat radiation structure, wherein: the outer edge surface of the temperature equalizing plate is also provided with a second radiator.
The design of the invention that the temperature-equalizing plate is wrapped or sleeved or annularly arranged or combined with the heat pipe can provide heat conduction effects of large area and far end at the same time, the temperature-equalizing plate is integrally wrapped on the outer edges of the heat pipe and the radiator, the temperature-equalizing plate is firstly contacted with a single or a plurality of heat sources to absorb heat and then the temperature-equalizing plate transfers the heat to the surface of one end of the heat pipe in a large area mode or to the radiator at the same time, one end of the heat pipe and the radiator (fins) after absorbing the heat transferred by the temperature-equalizing plate are then transferred to the other end of the far end to carry out far end heat conduction to carry the heat to the far end for heat radiation, and the radiator (fins) instantly radiates to prevent heat accumulation, thereby greatly improving the.
The composite heat dissipation structure can solve the problem of poor vacuum tightness in the prior art, and simultaneously obtain the characteristics of temperature equalization and remote heat conduction of the temperature equalization plate and the heat pipe.
Drawings
FIG. 1 is an exploded perspective view of a composite heat sink structure according to a first embodiment of the present invention;
FIG. 2 is a combined cross-sectional view of a composite heat dissipation structure according to a first embodiment of the present invention;
FIG. 3 is an exploded perspective view of a composite heat sink structure according to a second embodiment of the present invention;
FIG. 4 is a perspective assembly view of a composite heat dissipation structure according to a third embodiment of the present invention;
FIG. 5 is a combined cross-sectional view of a fourth embodiment of the composite heat dissipation structure of the present invention;
FIG. 6 is a perspective assembly view of a fifth embodiment of a composite heat dissipation structure of the present invention;
FIG. 7 is a schematic view of a sixth embodiment of a composite heat dissipation structure of the present invention;
fig. 8 is a schematic view of a seventh embodiment of the composite heat dissipation structure of the present invention.
Description of reference numerals: a heat pipe 1; a first heat pipe 1 a; a second heat pipe 1 b; a third heat pipe 1 c; a fourth heat pipe 1 d; a first end 11; an extension 12; a second end 13; a vacuum chamber 14; a capillary layer 15; a working liquid 16; a temperature equalizing plate 2; a first side 2 a; a second side 2 b; a heat absorbing part 2 c; a gas-tight chamber 21; a capillary structure 22; a working liquid 23; a lip 24; a heat source 3; heat dissipating fins 4; a first heat sink 5; heat radiating fins 51; a second heat sink 6.
Detailed Description
The above objects, together with the structural and functional features thereof, are accomplished by the preferred embodiments according to the accompanying drawings.
Referring to fig. 1 and fig. 2, a three-dimensional exploded and assembled cross-sectional view of a composite heat dissipation structure according to a first embodiment of the present invention is shown, in which the composite heat dissipation structure includes: at least one heat pipe 1, at least one temperature-equalizing plate 2;
the heat pipe 1 has a first end 11, an extending portion 12 and a second end 13, the first end 11, the second end 13 are disposed at two ends of the extending portion 12, a vacuum chamber 14 is disposed in the heat pipe 1, and the vacuum chamber 14 is independently disposed and provided with at least one capillary layer 15 and a working liquid 16.
The temperature-equalizing plate 2 is selected to be wrapped or sleeved or annularly arranged or surrounded at any one of the first end, the second end 11, 13 and the extension part 12 in an annular curling mode, and the two ends of the temperature-equalizing plate 2 are connected (connected) in an encircling mode.
The temperature-uniforming plate 2 is provided with an airtight chamber 21, a working liquid 23 is filled in the airtight chamber 21, at least one capillary structure 22 is arranged on the inner wall surface of the chamber 21, the upper outer side surface and the lower outer side surface of the temperature-uniforming plate 2 are provided with a first side 2a and a second side 2b, the outer edge of the airtight chamber 21 is provided with a lip 24, the lip 24 at the two ends of the temperature-uniforming plate 2 after being curled are mutually connected, the second side 2b is positioned on the inner side surface of the temperature-uniforming plate 2 after being curled, the second side 2b is attached to the outer edge surface of the heat pipe 1, and the first side 2a is in contact with a heat source 3 to conduct heat.
Please refer to fig. 3, which is an exploded perspective view of a second embodiment of the composite heat dissipation structure of the present invention, and as shown in the drawing, part of the structure of this embodiment is the same as that of the first embodiment, and therefore will not be described herein again, but the difference between this embodiment and the first embodiment is that at least one heat absorption portion 2c is disposed on the first side 2a of the temperature equalization plate 2 to contact with at least one heat source 3 for conducting heat, or the difference between this embodiment and the first embodiment is that a plurality of heat absorption portions 2c are disposed on the first side 2a to contact with a plurality of heat sources 3 for conducting heat at the same time, and no limitation is taken.
In addition, the rest parts of the heat absorption part 2c at the first side 2a of the temperature equalization plate 2, which are not contacted with the heat source 3, are provided with a plurality of heat dissipation fins 4, so that the heat dissipation efficiency can be improved; the second side 2b is wrapped or sleeved or annularly arranged or attached around the outer edge of the heat pipe 1, and is attached to at least one part of the heat pipe 1 for heat conduction.
Please refer to fig. 4, which is a three-dimensional assembly diagram of a third embodiment of the composite heat dissipation structure of the present invention, and as shown in the drawing, part of the structure of the present embodiment is the same as that of the first embodiment, and therefore will not be described herein again, but the present embodiment is different from the first embodiment in that the present embodiment has a first heat pipe 1a, a second heat pipe 1b, a third heat pipe 1c, and a fourth heat pipe 1d, the first, second, third, and fourth heat pipes 1a, 1b, 1c, and 1d are horizontally arranged in parallel (or vertically stacked), the temperature equalization plate 2 is wrapped or looped around the outer edges of the first, second, third, and fourth heat pipes 1a, 1b, 1c, and 1d, and the end of the first, second, third, and fourth heat pipes 1a, 1b, 1c, and 1d contacting the temperature equalization plate 2 is flat (or has other geometric shape), and the first heat pipe 1a, a second heat pipe, a third heat pipe, a fourth heat pipe, a third heat, The other ends of the two, three and four heat pipes 1a, 1b, 1c and 1d, which are not in contact with the temperature-uniforming plate 2, extend and are serially sleeved with a plurality of heat dissipation fins 4, so that heat can be quickly conducted to the far end for heat dissipation.
Please refer to fig. 5, which is a perspective combined cross-sectional view of a fourth embodiment of the composite heat dissipation structure of the present invention, and as shown in the drawing, part of the structure of this embodiment is the same as that of the first embodiment, and therefore will not be described herein, but the difference between this embodiment and the first embodiment is that the temperature-uniforming plate 2 of this embodiment is a flat-plate-rolled tube, and two ends of the temperature-uniforming plate 2 are connected in a surrounding manner, i.e., the airtight chamber 21 is disposed in a surrounding manner and the capillary structure 22 is also connected, so that vapor-liquid circulation of the temperature-uniforming plate 2 is diffused in a ring manner.
Please refer to fig. 6, which is a perspective combination diagram of a fifth embodiment of a composite heat dissipation structure of the present invention, and as shown in the drawing, part of the structure of this embodiment is the same as that of the first embodiment, and therefore will not be described herein, but the difference between this embodiment and the first embodiment is that the heat pipe 1 of this embodiment is a flat heat pipe, the temperature equalizing plate 2 is coiled and wrapped around the outer edge of one end of the heat pipe 1, the other end of the heat pipe 1 is provided with a plurality of heat dissipation fins or a heat sink or a water cooling module or water drainage in series, and this embodiment uses the heat dissipation fins 4 as an illustrative embodiment without limitation, so as to quickly take away heat to a far end for heat dissipation.
Please refer to fig. 7, which is a schematic diagram of a sixth embodiment of the composite heat dissipation structure of the present invention, and as shown in the drawing, part of the structure of this embodiment is the same as that of the first embodiment, so that no further description is provided herein, but a difference between this embodiment and the first embodiment is that a first heat sink 5 is further provided between the temperature equalizing plate 2 and the heat pipe 1 of this embodiment, an inner edge of the temperature equalizing plate 2 covers both a side of the first heat sink 5 and a side of the heat pipe 1, and the first heat sink 5 has a combination of a plurality of heat dissipation fins 51.
In this embodiment, after the temperature equalizing plate 2 is provided with an annular body in a surrounding manner, the temperature equalizing plate 2 is simultaneously coiled into the inner edge of the annular body, and the plurality of heat pipes 1 and the first heat sink 5 (fins) are horizontally arranged, the first heat sink 5 is overlapped above the heat pipes 1, and the temperature equalizing plate 2 simultaneously surrounds and covers the heat pipes 1 and the first heat sink 5.
Please refer to fig. 8, which is a schematic view of a seventh embodiment of the composite heat dissipation structure of the present invention, and as shown in the drawing, part of the structure of this embodiment is the same as that of the sixth embodiment, so that no further description is provided herein, but the difference between this embodiment and the sixth embodiment is that a second heat sink 6 (fin) is additionally disposed on one side of the outer edge surface of the temperature equalization plate 2 of this embodiment.
The first end 11 and the second end 13 of the heat pipe 1 in the foregoing embodiments are flat, elliptical or square to be attached to the vapor chamber plate 2 or the heat dissipation element conveniently, so as to provide a larger contact area therebetween, and the remaining portion of the heat pipe 1, i.e. the extending portion, may be in any shape or in an expanded pipe form having a pipe diameter larger than the pipe diameters of the first end 11 and the second end 13, so as to increase the efficiency of vapor-liquid circulation diffusion.
The design of the invention that the temperature-equalizing plate is wrapped or sleeved or annularly arranged or combined with the heat pipe can provide heat conduction effects of large area and far end at the same time, the temperature-equalizing plate is integrally wrapped on the outer edges of the heat pipe and the radiator, the temperature-equalizing plate is firstly contacted with a single or a plurality of heat sources to absorb heat and then the temperature-equalizing plate transfers the heat to the surface of one end of the heat pipe in a large area mode or to the radiator at the same time, one end of the heat pipe and the radiator (fins) after absorbing the heat transferred by the temperature-equalizing plate are then transferred to the other end of the far end to carry out far end heat conduction to carry the heat to the far end for heat radiation, and the radiator (fins) instantly radiates to prevent heat accumulation, thereby greatly improving the.
Claims (11)
1. A composite heat dissipation structure, comprising:
the heat pipe is provided with a first end, an extension part and a second end, and the first end and the second end are arranged at two ends of the extension part;
at least one temperature-equalizing plate, which is selected to cover any one of the first end, the second end and the extending part in a ring-shaped curling way, and the two ends of the temperature-equalizing plate are connected in a surrounding way.
2. The composite heat dissipating structure of claim 1, wherein: the temperature-uniforming plate is provided with an airtight cavity, the wall surface of the airtight cavity is provided with a capillary structure, working liquid is filled in the airtight cavity, the upper side and the lower side of the temperature-uniforming plate are provided with a first side and a second side, the outer edge of the airtight cavity is provided with a lip edge, after the temperature-uniforming plate is curled, the lip edges at the two ends of the temperature-uniforming plate are connected with each other, the second side is positioned at the curled inner side of the temperature-uniforming plate, and the second side is attached to the outer edge of the heat pipe.
3. The composite heat dissipating structure of claim 2, wherein: the first side of the temperature equalizing plate is a heat absorption side and is in contact with at least one heat source to conduct the heat source, the second side is a heat dissipation side and can conduct heat to the attached heat pipe to conduct heat, and the rest parts of the first side, which are not in contact with the heat source, are provided with a plurality of heat dissipation fins.
4. The composite heat dissipating structure of claim 1, wherein: the heat pipe structure is characterized by further comprising a first heat pipe, a second heat pipe and a third heat pipe, wherein the first heat pipe, the second heat pipe and the third heat pipe are horizontally arranged in parallel, the temperature equalizing plate is simultaneously coated on the outer edges of the first heat pipe, the second heat pipe and the third heat pipe, and one ends of the first heat pipe, the second heat pipe and the third heat pipe, which are in contact with the temperature equalizing plate, are flat.
5. The composite heat dissipating structure of claim 1, wherein: the temperature-uniforming plate is provided with an airtight cavity, the wall surface of the airtight cavity is provided with a capillary structure, working liquid is filled in the airtight cavity, the temperature-uniforming plate is in a flat plate curling tubular shape, and two ends of the temperature-uniforming plate are connected, namely the airtight cavity is communicated in an annular shape.
6. The composite heat dissipating structure of claim 1, wherein: the heat pipe is a flat heat pipe, the temperature equalizing plate is coiled and wrapped around the outer edge of one end of the heat pipe, and the other end of the heat pipe is provided with a plurality of radiating fins or a radiator or a water cooling module in series.
7. The composite heat dissipating structure of claim 1, wherein: the heat pipe is internally provided with a vacuum chamber which is independently arranged.
8. The composite heat dissipating structure of claim 1, wherein: the first end and the second end are flat, elliptic or square.
9. The composite heat dissipating structure of claim 1, wherein: a first radiator is arranged between the temperature-equalizing plate and the heat pipe, and the inner edge of the temperature-equalizing plate covers one side of the first radiator and one side of the heat pipe simultaneously.
10. The composite heat dissipating structure of claim 9, wherein: the first heat sink has a plurality of heat dissipation fins.
11. The composite heat dissipating structure of claim 9, wherein: the outer edge surface of the temperature equalizing plate is also provided with a second radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230569.2A CN111442675A (en) | 2020-03-27 | 2020-03-27 | Composite heat radiation structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230569.2A CN111442675A (en) | 2020-03-27 | 2020-03-27 | Composite heat radiation structure |
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| CN111442675A true CN111442675A (en) | 2020-07-24 |
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| CN202010230569.2A Pending CN111442675A (en) | 2020-03-27 | 2020-03-27 | Composite heat radiation structure |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56117094A (en) * | 1980-02-19 | 1981-09-14 | Kobe Giken Kogyo Kk | Heater for uniform heat transmission |
| CN2762507Y (en) * | 2004-12-22 | 2006-03-01 | 珍通科技股份有限公司 | Cooling module on radiating plate |
| TWM345223U (en) * | 2008-05-29 | 2008-11-21 | Celsia Technologies Taiwan Inc | Sheathed flat heat pipe |
| CN201639911U (en) * | 2010-03-29 | 2010-11-17 | 索士亚科技股份有限公司 | Heat conducting module and radiating device with same |
| CN103149993A (en) * | 2012-12-28 | 2013-06-12 | 联宝(合肥)电子科技有限公司 | Multi-heat-pipe and multi-path cooling method and cooling device |
| CN103269573A (en) * | 2013-06-05 | 2013-08-28 | 张剑锋 | Temperature equalization superconductive heat radiator |
| CN204707386U (en) * | 2015-04-30 | 2015-10-14 | 讯凯国际股份有限公司 | Radiating subassembly, water cooled heat radiating assembly and cooling system |
| CN212109685U (en) * | 2020-03-27 | 2020-12-08 | 奇鋐科技股份有限公司 | Composite heat radiation structure |
-
2020
- 2020-03-27 CN CN202010230569.2A patent/CN111442675A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56117094A (en) * | 1980-02-19 | 1981-09-14 | Kobe Giken Kogyo Kk | Heater for uniform heat transmission |
| CN2762507Y (en) * | 2004-12-22 | 2006-03-01 | 珍通科技股份有限公司 | Cooling module on radiating plate |
| TWM345223U (en) * | 2008-05-29 | 2008-11-21 | Celsia Technologies Taiwan Inc | Sheathed flat heat pipe |
| CN201639911U (en) * | 2010-03-29 | 2010-11-17 | 索士亚科技股份有限公司 | Heat conducting module and radiating device with same |
| CN103149993A (en) * | 2012-12-28 | 2013-06-12 | 联宝(合肥)电子科技有限公司 | Multi-heat-pipe and multi-path cooling method and cooling device |
| CN103269573A (en) * | 2013-06-05 | 2013-08-28 | 张剑锋 | Temperature equalization superconductive heat radiator |
| CN204707386U (en) * | 2015-04-30 | 2015-10-14 | 讯凯国际股份有限公司 | Radiating subassembly, water cooled heat radiating assembly and cooling system |
| CN212109685U (en) * | 2020-03-27 | 2020-12-08 | 奇鋐科技股份有限公司 | Composite heat radiation structure |
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