CN107270258B - Efficient radiator - Google Patents
Efficient radiator Download PDFInfo
- Publication number
- CN107270258B CN107270258B CN201710605315.2A CN201710605315A CN107270258B CN 107270258 B CN107270258 B CN 107270258B CN 201710605315 A CN201710605315 A CN 201710605315A CN 107270258 B CN107270258 B CN 107270258B
- Authority
- CN
- China
- Prior art keywords
- tubular
- tubular cavity
- main body
- heat sink
- profile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052802 copper Inorganic materials 0.000 abstract description 6
- 239000010949 copper Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 4
- 150000002739 metals Chemical class 0.000 abstract description 3
- 239000012071 phase Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 239000012528 membrane Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a novel efficient radiator, which comprises the following components: the profile body is cuboid; the cooling fins are arranged on the lower surface of the profile main body; the cooling fins are parallel to each other and are perpendicular to the lower surface of the profile main body; a plurality of tubular cavities, wherein the tubular cavities are positioned in the profile main body; the two ends of the tubular cavity are closed; the tubular cavities are parallel to each other; each tubular cavity is internally provided with a phase change medium. The invention adopts an integrated molding technology, is simple and convenient to manufacture and has lower cost; the high heat conductivity of the easily-evaporated liquid is utilized to realize rapid heat dissipation; the material is copper, aluminum and other metals which are easy to conduct heat, has lower thermal resistance and is favorable for heat dissipation.
Description
Technical Field
The invention relates to a high-efficiency radiator.
Background
During the use of the lamp, a large amount of heat is generated; in order to ensure safety and save energy, heat needs to be emitted in time.
In the prior art, chinese patent application 201410536075.1 discloses a radiator for LED lamp, which comprises a base plate and a plurality of radiating fin groups radially arranged on the base plate, wherein the radiating start ends of the radiating fin groups and the base plate enclose a cavity, and a convection channel is arranged between the radiating fin groups and is communicated with the cavity.
Chinese patent application 201610360052.9 discloses a radiator for LED lamps and lanterns, including the radiator body that the bottom is provided with the installation face, be provided with a plurality of radiating holes that link up the radiator body along upper and lower direction in the periphery of installation face on the radiator body, the bottom intercommunication of the adjacent radiating hole of installation face has the splash guard, one side that the splash guard kept away from the installation face links to each other with the radiator body is articulated, one side that the splash guard is close to the installation face links to each other with the radiator body through the bellows, the upper end open water receiving tank is equipped with along upper and lower direction removal on the radiator body, be provided with water receiving tank reset spring between water receiving tank and the radiator body, be provided with between water receiving tank and the splash guard and be used for driving the drive mechanism of splash guard towards keeping away from installation face one side wobbling after the water receiving tank water moves down.
Chinese patent 201310433269.4 discloses a radiator of an LED lamp, and belongs to the technical field of heat transfer. The radiator of the LED lamp is characterized in that: comprises a radiator body, a light source plate mounting surface and a power module mounting surface; wherein: the radiator body comprises a light source plate heat absorbing plate, a power module heat absorbing plate and radiating fins connected with the heat absorbing plate and the power module heat absorbing plate, wherein a light source plate mounting surface is positioned on one side of the light source plate heat absorbing plate on the radiator body, and a power module mounting surface is positioned on one side of the power module mounting surface on the radiator body.
Chinese patent 201310132608.5 discloses a radiator for a lamp, which has a side wall, a base, a plurality of first connectors, a plurality of first air flow channels and a second connector; the seat body is positioned in the side wall and is provided with a gap with the inner peripheral wall of the side wall, the seat body is connected with the inner peripheral wall of the side wall by virtue of each first connecting piece, the first air flow channel is formed between any two adjacent first connecting pieces at the gap, and the second connecting pieces are arranged on the outer peripheral wall of the side wall.
The defects of the above mode are that: the heat dissipation is slower, and the preparation is loaded down with trivial details, and the cost is higher.
Therefore, how to provide a high-efficiency radiator with faster heat dissipation, simple and convenient manufacture and lower cost is a problem to be solved in the industry.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the high-efficiency radiator which has the advantages of faster heat dissipation, simple and convenient manufacture and lower cost.
In order to achieve the above object, the present invention provides a high-efficiency heat sink, comprising:
the profile body is cuboid;
the cooling fins are arranged on the lower surface of the profile main body; the cooling fins are parallel to each other and are perpendicular to the lower surface of the profile main body;
a plurality of tubular cavities, wherein the tubular cavities are positioned in the profile main body; the two ends of the tubular cavity are closed; the tubular cavities are parallel to each other; each tubular cavity is internally provided with a phase change medium.
In the invention, a lamp is arranged on the upper surface of a section bar main body; the heat generated by the lamp is conducted through the profile main body and absorbed by the phase change medium; the phase change medium absorbs heat to change phase (from liquid state to gas state) and conducts heat to the radiating fins through the profile main body; the radiating fin conducts heat to the air, so that the purpose of cooling the lamp is achieved.
In the invention, the phase-change medium has low boiling point and is easy to volatilize after absorbing heat; it is easy to diffuse in gaseous state, which is favorable for heat release.
In the invention, the gaseous phase-change medium becomes liquid after releasing heat, and becomes gaseous after absorbing heat again; and the lamp is circularly reciprocated to conduct heat of the lamp.
In the invention, the radiating fin is fixedly connected to the lower surface of the profile main body.
In the invention, the material of the section bar main body and the radiating fin is metal with better heat conductivity, such as copper, aluminum and the like.
In the invention, the high-efficiency radiator is manufactured by adopting an integrated molding technology.
In the invention, the number of the tubular cavities is 6-10; the number of the cooling fins is 30-40.
The invention adopts an integrated molding technology, is simple and convenient to manufacture and has lower cost; the high heat conductivity of the easily-evaporated liquid is utilized to realize rapid heat dissipation; the material is copper, aluminum and other metals which are easy to conduct heat, has lower thermal resistance and is favorable for heat dissipation.
According to another embodiment of the invention, the high efficiency radiator further comprises a plurality of seals for closing the end openings of the tubular cavity, each end of the tubular cavity being provided with a seal.
According to another embodiment of the invention, the sealing element is a sealing plug.
According to another embodiment of the invention, the interior of the tubular cavity is in a vacuum state.
According to another embodiment of the invention, the side wall of the tubular cavity is provided with a plurality of capillaries; the specific surface area of the capillary tube is large, so that the heat conduction speed can be increased; the capillary tube is communicated with the tubular cavity; the gaseous phase change medium can enter the capillary to release heat.
According to another embodiment of the invention, the seal is a gas permeable membrane; the air-permeable membrane can prevent water and dust and balance air pressure.
According to another embodiment of the invention, the upper surface of the profile body is rectangular; the rectangle includes long sides and short sides.
According to another embodiment of the invention, the tubular cavity is parallel to the long side; the length of the tubular cavity is the same as that of the long side.
According to another embodiment of the invention, the heat sink is perpendicular to the short side.
According to another embodiment of the invention, the phase change medium is an easily vaporizable liquid; the readily vaporizable liquid includes, but is not limited to, the following: water, ethanol and acetone.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts an integrated molding technology, is simple and convenient to manufacture and has lower cost; the high heat conductivity of the easily-evaporated liquid is utilized to realize rapid heat dissipation; the material is copper, aluminum and other metals which are easy to conduct heat, has lower thermal resistance and is favorable for heat dissipation.
The present invention will be described in further detail with reference to the accompanying drawings. .
Drawings
Fig. 1 is a schematic structural diagram of a high-efficiency heat sink of embodiment 1;
fig. 2 is a schematic structural diagram of the high-efficiency heat sink of embodiment 2.
Detailed Description
Example 1
This embodiment provides a high efficiency heat sink comprising a profile body 1, fins 2, a tubular cavity 3 and a seal 4 as shown in fig. 1.
Wherein the profile main body 1 is a cuboid, and the material of the profile main body is copper; the upper surface of the profile main body 1 is rectangular 101; rectangle 101 includes long sides 102 and short sides 103.
The radiating fins 2 are fixedly connected to the lower surface of the profile main body 1, and the number of the radiating fins is 34; the cooling fins 2 are parallel to each other and are perpendicular to the lower surface of the profile main body 1; the heat sink 2 is made of copper; the heat sink 2 is perpendicular to the short side 103.
The tubular cavities 3 are positioned inside the profile body 1, and the number of the tubular cavities is 8; the two ends of the tubular cavity 3 are closed; the tubular cavities 3 are parallel to each other; a phase change medium (not shown) is arranged in each tubular cavity 3; the inside of the tubular cavity 3 is in a vacuum state; the side wall of the tubular cavity 3 is provided with a plurality of capillaries (not shown in the figure); the specific surface area of the capillary tube is large, so that the heat conduction speed can be increased; the capillary tube is communicated with the tubular cavity 3; the phase change medium is water; the tubular cavity 3 is parallel to the long side 102; the tubular cavity 3 is the same length as the long side 102.
The sealing element 4 is used for closing the end opening of the tubular cavity 3, and each end of the tubular cavity 3 is provided with the sealing element 4; the sealing element 4 is a sealing plug.
Example 2
As shown in fig. 2, this embodiment differs from embodiment 1 in that: the seal 24 is a gas permeable membrane; the air-permeable membrane can prevent water and dust and balance air pressure; the inside of the tubular cavity 23 is communicated with the outside atmosphere and is in a non-vacuum state; the side wall of the tubular cavity 23 is provided with capillaries.
While the invention has been described in terms of preferred embodiments, it is not intended to limit the scope of the invention. It is intended that all modifications within the scope of the invention, i.e., all equivalents thereof, be embraced by the invention as they come within their scope without departing from the invention.
Claims (5)
1. An efficient heat sink, wherein the efficient heat sink comprises:
the profile body is cuboid;
the cooling fins are arranged on the lower surface of the profile main body; the cooling fins are parallel to each other and are perpendicular to the lower surface of the profile main body;
the tubular cavities are positioned in the profile main body; the two ends of the tubular cavity are closed; the tubular cavities are parallel to each other; a phase change medium is arranged in each tubular cavity;
the side wall of the tubular cavity is provided with a plurality of capillaries which are communicated with the tubular cavity;
the high-efficiency radiator further comprises a plurality of sealing elements for closing the end openings of the tubular cavities, and each end of the tubular cavity is provided with the sealing element;
the seal is a breathable film.
2. The high efficiency heat sink of claim 1 wherein the profile body upper surface is rectangular; the rectangle includes long sides and short sides.
3. The high efficiency heat sink of claim 2, wherein the tubular cavity is parallel to the long side; the tubular cavity is the same length as the long side.
4. The high efficiency heat sink of claim 2, wherein the fins are perpendicular to the short sides.
5. The high efficiency heat sink of claim 1 wherein the phase change medium is an easily vaporizable liquid; the easily-evaporated liquid comprises the following components: water, ethanol and acetone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710605315.2A CN107270258B (en) | 2017-07-24 | 2017-07-24 | Efficient radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710605315.2A CN107270258B (en) | 2017-07-24 | 2017-07-24 | Efficient radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107270258A CN107270258A (en) | 2017-10-20 |
| CN107270258B true CN107270258B (en) | 2024-01-12 |
Family
ID=60077913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710605315.2A Active CN107270258B (en) | 2017-07-24 | 2017-07-24 | Efficient radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107270258B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110475457B (en) * | 2018-05-11 | 2021-06-29 | 深圳富泰宏精密工业有限公司 | Heat radiation structure and electronic device with same |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201600066U (en) * | 2009-10-15 | 2010-10-06 | 苏州中泽光电科技有限公司 | Combined heat pipe radiator |
| CN202259369U (en) * | 2011-09-30 | 2012-05-30 | 东莞市泽润电子科技有限公司 | Solar junction box cover |
| CN102519287A (en) * | 2011-12-31 | 2012-06-27 | 华为技术有限公司 | Heat exchanger |
| CN103307457A (en) * | 2013-06-04 | 2013-09-18 | 东莞市和旺电器有限公司 | Portable thermoelectric power generation lighting device |
| CN204240201U (en) * | 2014-10-17 | 2015-04-01 | 南京华生皓光电科技有限公司 | Light source module and comprise the High-Pole Lamp of this light source module |
| CN104676560A (en) * | 2013-11-27 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Breather and lamp with same |
| CN204806343U (en) * | 2015-04-10 | 2015-11-25 | 周来好 | A radiator for LED lamp |
| CN106152080A (en) * | 2015-04-01 | 2016-11-23 | 湖南玖泓节能科技有限公司 | A kind of super-high-power LED stage lighting |
| CN207262387U (en) * | 2017-07-24 | 2018-04-20 | 广州市雅江光电设备有限公司 | A kind of high-efficiency radiator of compound structure for new residence |
| CN207350282U (en) * | 2017-07-24 | 2018-05-11 | 广州市雅江光电设备有限公司 | A kind of novel efficient heat radiator |
| CN207350284U (en) * | 2017-07-24 | 2018-05-11 | 广州市雅江光电设备有限公司 | A kind of high-efficiency radiator of new structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140113112A1 (en) * | 2011-07-11 | 2014-04-24 | Dow Global Technologies Llc | Microcapillary films containing phase change materials |
-
2017
- 2017-07-24 CN CN201710605315.2A patent/CN107270258B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201600066U (en) * | 2009-10-15 | 2010-10-06 | 苏州中泽光电科技有限公司 | Combined heat pipe radiator |
| CN202259369U (en) * | 2011-09-30 | 2012-05-30 | 东莞市泽润电子科技有限公司 | Solar junction box cover |
| CN102519287A (en) * | 2011-12-31 | 2012-06-27 | 华为技术有限公司 | Heat exchanger |
| CN103307457A (en) * | 2013-06-04 | 2013-09-18 | 东莞市和旺电器有限公司 | Portable thermoelectric power generation lighting device |
| CN104676560A (en) * | 2013-11-27 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Breather and lamp with same |
| CN204240201U (en) * | 2014-10-17 | 2015-04-01 | 南京华生皓光电科技有限公司 | Light source module and comprise the High-Pole Lamp of this light source module |
| CN106152080A (en) * | 2015-04-01 | 2016-11-23 | 湖南玖泓节能科技有限公司 | A kind of super-high-power LED stage lighting |
| CN204806343U (en) * | 2015-04-10 | 2015-11-25 | 周来好 | A radiator for LED lamp |
| CN207262387U (en) * | 2017-07-24 | 2018-04-20 | 广州市雅江光电设备有限公司 | A kind of high-efficiency radiator of compound structure for new residence |
| CN207350282U (en) * | 2017-07-24 | 2018-05-11 | 广州市雅江光电设备有限公司 | A kind of novel efficient heat radiator |
| CN207350284U (en) * | 2017-07-24 | 2018-05-11 | 广州市雅江光电设备有限公司 | A kind of high-efficiency radiator of new structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107270258A (en) | 2017-10-20 |
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