CN206831267U - Integrated high-power LED bay light based on phase-change heat transfer technology - Google Patents
Integrated high-power LED bay light based on phase-change heat transfer technology Download PDFInfo
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- CN206831267U CN206831267U CN201720521080.4U CN201720521080U CN206831267U CN 206831267 U CN206831267 U CN 206831267U CN 201720521080 U CN201720521080 U CN 201720521080U CN 206831267 U CN206831267 U CN 206831267U
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Abstract
The utility model is related to the integrated high-power LED bay light based on phase-change heat transfer technology, including connect successively from the bottom up COB light source, evaporation plate, radiator；The upper end of evaporation plate and the lower end of radiator surround the cavity volume vacuumized, and liquid working substance is inoculated with cavity volume；Cavity volume inner upper end and interior lower end are equipped with the liquid-sucking core of a face very low power shape.The utility model is compact-sized, compact, light weight, can meet high-power illumination, while rapid heat dissipation, be related to LED technical field of heat dissipation.
Description
Technical field
The present invention relates to LED technical field of heat dissipation, specifically, is related to the big work(of integral type based on phase-change heat transfer technology
Rate LED bay light.
Background technology
Light emitting diode (LED) are used as forth generation light source, have energy-saving and environmental protection, long-life, brightness colour temperature
The advantages that adjustable.With the maturation of LED technology, the lasting lifting of efficiency, LED solid-state illuminations are trend, and illuminating industry section
The preferred plan of energy.Extensive use however as LED bay light and the needs to illumination intensity, people to its power it is also proposed that
Higher requirement.Power does not increase so that LED bay light radiating strengthen turn into ensure its product quality must take into consideration because
Element.If heat can not be effectively conducted away, it will have a strong impact on the service life of LED bay light tool, thus the radiating of light fixture
Become an important topic, if heat is rejected heat in environment not in time, too high temperature will burn chip temperature, enter
And bulkhead lamp is damaged.
COB light source has the features such as integrated level is high, temperature Centralized, so further providing challenge to thermal design.Due to
For LED in lighting process, its electro-optical efficiency is very low, and about 80% electric energy is all converted into centralized heat energy in chip
On, LED chip is very sensitive to temperature, as the heat on fruit chip can not transfer out and be dispersed into surrounding environment in time,
LED service life, luminous efficiency, emission wavelength (colour temperature), forward voltage etc. will be influenceed, temperature is too high or even can be to LED
Permanent damage is produced, thus LED heat radiation structure design is particularly important.Therefore, heat dissipation problem have become limitation LED to
High-power, small size development essential technological factors, are to restrict key points of the LED to commercial, civilian large-scale promotion.It is existing
The integrated high-power LED bay light based on phase-change heat transfer technology is not present in technology.
The content of the invention
For technical problem present in prior art, the purpose of the present invention is：The base effectively to be conducted heat by phase transformation is provided
In the integrated high-power LED bay light of phase-change heat transfer technology.
In order to achieve the above object, the present invention adopts the following technical scheme that：
Integrated high-power LED bay light based on phase-change heat transfer technology, including the COB light to connect successively from the bottom up
Source, evaporation plate, radiator；The upper end of evaporation plate and the lower end of radiator surround the cavity volume vacuumized, and liquid work is inoculated with cavity volume
Matter；Cavity volume inner upper end and interior lower end are equipped with the liquid-sucking core of a face very low power shape.
As a preferred embodiment, COB light source is bonded at the lower end of evaporation plate, bonding location and cavity volume face by heat conductive silica gel.
As a preferred embodiment, radiator includes pedestal and fin, fin is located at the upper end of pedestal, and the lower surface of pedestal is provided with
The raised installation side of one circle, installation skirt are in depression area, and depressed area surrounds cavity volume, the equally distributed of projection is provided with depressed area
Support column；The position that the upper end of evaporation plate is bonded with installation side, support column is plane.
As a preferred embodiment, fin is the rectangular fin erected vertically, each fin is parallel to each other in the horizontal direction.
As a preferred embodiment, liquid-sucking core includes the very low power of a plurality of crisscross intercommunication.
As a preferred embodiment, the integrated high-power LED bay light based on phase-change heat transfer technology also includes liquid filling post；Liquid filling
One end of post is installed between evaporation plate and radiator, and is connected with cavity volume, and the other end of liquid filling post seals after liquid filling is vacuumized
Close.
As a preferred embodiment, the surface of COB light source, evaporation plate, radiator is provided with the layer that dusts of increase heat radiation heat exchange.
As a preferred embodiment, the thickness of pedestal is 2-2.5 millimeters, the thickness of evaporation plate is 0.8-1 millimeters；The material of radiator
Matter is aluminium alloy, and the material of evaporation plate is almit plate.
As a preferred embodiment, radiator, liquid filling post, evaporation plate are welded into an entirety.
As a preferred embodiment, liquid filling post is hollow tubular structures, one end is cylindric, and one end is square tubular；Radiator
Lower end be provided with square liquid feeding mouth, the square tubular one end fits with liquid filling post.
Generally speaking, the invention has the advantages that：
(1) phase change technique is integrated into radiator and is applied to high-power LED mine lamp field of radiating, phase transformation should be based on
The integrated high-power LED bay light of heat transfer technology is compact-sized, small volume and light weight, makes simple.
(2) lower surface of the pedestal of radiator and the upper surface of evaporation plate are all machined with alternate intercommunicating very low power liquid-sucking core,
And it is all very thin, it is similar to ultra-thin " soaking plate " after welding.The integrated radiating structure is relative to Split radiating structure
(i.e.：One piece of single soaking plate is attached to below the radiator with fin) structure is compacter, coordinates and is not in contact with thermal resistance
And it is thinner, it can scatter heat caused by COB light source rapidly in two dimensional surface conduction, and be dispersed into surrounding environment.
(3) evaporation plate is almit plate, and itself can be heated to certain condition can directly and Welded
Get up without being welded again in aluminum alloy surface nickel plating, so just save cost, few one of technique.
(4) alternate intercommunicating very low power liquid sucting core structure is controlled by machined parameters, and easy to process and control, the structure can
Increase specific surface area, can enhanced boiling heat transfer.
(5) support column arrangement is to reserve to come in process, and it can prevent when heated steam cavity volume from deforming again
Can be that guide functions are played in working medium backflow.
(6) fin of radiator is the optimal thickness, height and gap obtained by heat simulation.
(7) present invention have make it is simple, be easily assembled, be compact-sized, small volume, the contactless thermal resistance of mating surface, use
The advantages that long lifespan, high radiating efficiency.
Brief description of the drawings
Fig. 1 is the broken away view of the present invention.
Fig. 2 is the stereogram of radiator.
Fig. 3 is Fig. 2 partial enlarged drawing.
Fig. 4 is the stereogram of liquid filling post.
Fig. 5 is the stereogram of evaporation plate.
Fig. 6 is Fig. 5 partial enlarged drawing.
Fig. 7 is the stereogram of COB light source.
Wherein, 1 is radiator, and 2 be liquid filling post, and 3 be evaporation plate, and 4 be COB light source, and 5 be pedestal, and 6 be fin, and 7 be installation
Side, 8 be depressed area, and 9 be support column, and 10 be liquid-sucking core.
Embodiment
It is next below that the present invention will be further described in detail.
Integrated high-power LED bay light based on phase-change heat transfer technology, including the COB light to connect successively from the bottom up
Source, evaporation plate, radiator, in addition to the liquid filling post connected with cavity volume being fixed between evaporation plate and radiator.By radiator,
Liquid filling post forms an entirety with evaporation plate weld, and the cavity volume formed by liquid filling post to the pedestal of radiator with evaporation plate is taken out very
Sky fills working medium, then seals；COB light source is attached to the lower surface of evaporation plate with heat conductive silica gel again.
Radiator squeezes out first, which is provided with the vertical fin of multi-disc, fin is rectangular, and uniform vertical is distributed in scattered
On the pedestal of hot device, it is parallel to each other between fin, there is certain interval, base thickness 2mm.
The deep depressed areas of a 1mm are milled out in the lower surface of pedestal, are the raised peace of " mouth " shape around depressed area
Rim, for being welded with evaporation plate correspondence position.16 equally distributed raised supports need to be reserved when milling depressed area
Post, in addition, need to be in one liquid feeding mouth run through of edge milling on installation side.
Plenum section is corresponded on pedestal and processes alternate intercommunicating very low power with CNC milling machine, the cutter of processing used is carving
Icking tool, very low power parameter are controllable.The alternate intercommunicating of the present embodiment, refer to having a plurality of parallel transverse groove and a plurality of flat
Capable cannelure, transverse groove and cannelure are mutually perpendicular to, and position staggeredly is interconnected.
Liquid filling post is hollow, and one end is cylindric, and one end is square tubular.Square tubular section is by cylinder blank pipe mould
Tool flattening forms, and its size just coordinates with the liquid feeding mouth of the pedestal of radiator；Cylindric section is used to vacuumize filling working medium.
Evaporation plate material is almit plate, and it directly can get up with Welded in the case of not nickel plating.Evaporation plate
Thickness is 0.8mm, and the position that the pedestal of its upper surface and radiator surrounds cavity volume is machined with the imbibition of alternate intercommunicating very low power shape
Core, but its part contacted with support column does not process liquid sucting core structure, it is therefore an objective to ensure that support column can be welded on solder plate
On.
Liquid filling post is coupled at the liquid feeding mouth of radiator and pushed down again with evaporation plate.The edge and susceptor edge of evaporation plate
Edge aligns, while the section aligned without liquid sucting core structure among support column and evaporation plate, is then put into stainless steel clamp
Heated inside vacuum drying oven, this three has just been welded into an entirety after reaching certain temperature.
The overall cavity volume after welding is carried out vacuumizing filling liquid working substance, Ran Houjin by cylindric one end of liquid filling post
Row presss from both sides flat sealing.
COB light source is bonded at the lower surface of evaporation plate with heat conductive silica gel.At work, COB light source produces big calorimetric to bulkhead lamp,
Heat is transmitted to evaporation plate lower surface, and heat will cause liquid working substance in cavity volume to undergo phase transition, and phase transformation rapidly can pass heat
Lead and scatter, be dispersed into finally by fin in surrounding environment.
COB light source, evaporation plate, the surface of radiator are provided with the layer that dusts that increase heat radiation exchanges heat.
The pedestal of radiator and the upper surface of evaporation plate are all machined with the liquid-sucking core of alternate intercommunicating very low power shape, and all very
It is thin, it is similar to ultra-thin " soaking plate " after welding.The integrated radiating structure relative to Split radiating structure it is compacter,
Cooperation is not in contact with thermal resistance and thinner.When COB light source works, heat can conduct rapidly.The bulkhead lamp power is larger, is applicable
Illuminated in industrial and mineral, heat transfer is rapid, ensure that the service life of bulkhead lamp.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. the integrated high-power LED bay light based on phase-change heat transfer technology, it is characterised in that：Including connecting successively from the bottom up
COB light source, evaporation plate, radiator；The upper end of evaporation plate and the lower end of radiator surround the cavity volume vacuumized, are inoculated with cavity volume
Liquid working substance；Cavity volume inner upper end and interior lower end are equipped with the liquid-sucking core of a face very low power shape.
2. according to the integrated high-power LED bay light based on phase-change heat transfer technology described in claim 1, it is characterised in that：
COB light source is bonded at the lower end of evaporation plate, bonding location and cavity volume face by heat conductive silica gel.
3. according to the integrated high-power LED bay light based on phase-change heat transfer technology described in claim 1, it is characterised in that：
Radiator includes pedestal and fin, and fin is located at the upper end of pedestal, and the lower surface of pedestal is provided with the raised installation side of a circle, installation
Skirt is in depression area, and depressed area surrounds cavity volume, and raised equally distributed support column is provided with depressed area；The upper end of evaporation plate with
Side is installed, the position of support column fitting is plane.
4. according to the integrated high-power LED bay light based on phase-change heat transfer technology described in claim 3, it is characterised in that：
Fin is the rectangular fin erected vertically, and each fin is parallel to each other in the horizontal direction.
5. according to the integrated high-power LED bay light based on phase-change heat transfer technology described in claim 1, it is characterised in that：
Liquid-sucking core includes the very low power of a plurality of crisscross intercommunication.
6. according to the integrated high-power LED bay light based on phase-change heat transfer technology described in claim 1, it is characterised in that：
Also include liquid filling post；One end of liquid filling post is installed between evaporation plate and radiator, and is connected with cavity volume, the other end of liquid filling post
Vacuumizing liquid filling rear enclosed.
7. according to the integrated high-power LED bay light based on phase-change heat transfer technology described in claim 1, it is characterised in that：
COB light source, evaporation plate, the surface of radiator are provided with the layer that dusts that increase heat radiation exchanges heat.
8. according to the integrated high-power LED bay light based on phase-change heat transfer technology described in claim 3, it is characterised in that：
The thickness of pedestal is 2-2.5 millimeters, and the thickness of evaporation plate is 0.8-1 millimeters；The material of radiator is aluminium alloy, the material of evaporation plate
Matter is almit plate.
9. according to the integrated high-power LED bay light based on phase-change heat transfer technology described in claim 6, it is characterised in that：
Radiator, liquid filling post, evaporation plate are welded into an entirety.
10. according to the integrated high-power LED bay light based on phase-change heat transfer technology described in claim 6, it is characterised in that：
Liquid filling post is hollow tubular structures, and one end is cylindric, and one end is square tubular；The lower end of radiator is provided with square liquid filling
Mouthful, the square tubular one end fits with liquid filling post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720521080.4U CN206831267U (en) | 2017-05-11 | 2017-05-11 | Integrated high-power LED bay light based on phase-change heat transfer technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720521080.4U CN206831267U (en) | 2017-05-11 | 2017-05-11 | Integrated high-power LED bay light based on phase-change heat transfer technology |
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| CN206831267U true CN206831267U (en) | 2018-01-02 |
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| CN201720521080.4U Expired - Fee Related CN206831267U (en) | 2017-05-11 | 2017-05-11 | Integrated high-power LED bay light based on phase-change heat transfer technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143777A (en) * | 2017-05-11 | 2017-09-08 | 华南理工大学 | Integrated high-power LED bay light based on phase-change heat transfer technology |
| CN108332174A (en) * | 2018-02-07 | 2018-07-27 | 武汉大学 | A kind of cooling system and method applied to high-power LED (light emitting diode) lighting equipment light-emitting surface |
| CN113864743A (en) * | 2021-10-21 | 2021-12-31 | 中国科学院工程热物理研究所 | Photo-thermal integrated radiator |
-
2017
- 2017-05-11 CN CN201720521080.4U patent/CN206831267U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143777A (en) * | 2017-05-11 | 2017-09-08 | 华南理工大学 | Integrated high-power LED bay light based on phase-change heat transfer technology |
| CN108332174A (en) * | 2018-02-07 | 2018-07-27 | 武汉大学 | A kind of cooling system and method applied to high-power LED (light emitting diode) lighting equipment light-emitting surface |
| CN108332174B (en) * | 2018-02-07 | 2019-12-24 | 武汉大学 | Heat dissipation system and method applied to light emitting surface of high-power LED lighting equipment |
| CN113864743A (en) * | 2021-10-21 | 2021-12-31 | 中国科学院工程热物理研究所 | Photo-thermal integrated radiator |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20190511 |