CN108758450A - Graphene cooling LED four eyed module - Google Patents
Graphene cooling LED four eyed module Download PDFInfo
- Publication number
- CN108758450A CN108758450A CN201810851713.7A CN201810851713A CN108758450A CN 108758450 A CN108758450 A CN 108758450A CN 201810851713 A CN201810851713 A CN 201810851713A CN 108758450 A CN108758450 A CN 108758450A
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- China
- Prior art keywords
- light source
- radiator
- lens
- source module
- heronsbill
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- 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
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
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- 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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to technical field of LED illumination, and in particular to a kind of graphene cooling LED four eyed module, i.e., a kind of light source module group and street lamp module of completely new LED illumination lamp.A kind of light source module group of the present invention comprising：Integrally formed several lens, the COB light source equal with lens number quantity and heronsbill radiator.
Description
Technical field
The present invention relates to technical field of LED illumination, and in particular to a kind of light source module group of completely new LED illumination lamp and road
Lamp module.
Background technology
LED illumination is 21 century important one of energy-saving strategy, and in city illumination, tradition is replaced with LED light source
Light source has become a kind of trend.The luminous flux applied to the single-chip LED in city illumination can no longer meet at present
Lighting demand of the people to high light flux.Many producers add lens group to merge the pattern of array to realize height using single-chip LED
Luminous flux, this pattern but increases illuminating device structure, and is susceptible to the problems such as illuminant color is irregular.To ensure LED light
The miniaturization of tool simplifies illuminating device structure, is with high-power chip on board (COB (chips on board)) type LED often
Light source only uses the lighting demand that single degree of freedom toroidal lens achieves that high light flux.
COB type LED plane light sources can be described as the evolution product of new 4th generation light source or the 4th generation light source, because it uses a kind of spy
Light emitting diode (LED) is encapsulated in 1 small plane of area by different encapsulation technology, therefore referred to as area source.With point light source
It compares, in same wattage, surface source luminescence face area reduces 90% or more than point light source light-emitting face area, the heat of generation
Amount is also corresponding to reduce 50%~90%, greatly reduces energy consumption and because of the light source failure that heat dissipation problem generates, and makes the lamp of assembly
It is lighter succinct to have shell.The light emitting angle and effect of area source can be obtained under the refraction of lens and optically focused preferably play and
Using so that light emitting angle can be allocated arbitrarily, so as to form secondary light-distribution.And point light source is applied to lamps and lanterns, due to light-emitting surface
Product is excessive, and lens use is more difficult, and light emitting angle becomes at " dead angle ".
Invention content
Since light emitting diode is all encapsulated in the light-emitting surface of COB, the light efficiency of COB light source is ceased with light-emitting area
Relevant, total light-emitting surface is bigger, and the light emitting diode sealed is more, and total light emission luminance is bigger, and light efficiency is higher.However due to COB-
LED light source area is larger, to realize it is photochromic uniformly and do not increase illuminating device, it is that type LED compact to design shines to reduce lens volume
The key of bright equipment.The graphene heat radiating LED lamp that the present inventor uses early stage uses individual particle COB light source, for not
The a diameter of 22mm or 27mm of same power demand selection light source.Based on miniaturization heat radiation module design in recent years, ensureing height
Light efficiency and it is photochromic it is uniform under the premise of, the area size of lens has been designed into maximum, has further increased light if necessary
Effect, it is necessary to continue to increase the area of lens, then deviate from the design requirement minimized at present for LED light.
In view of the above technical problems, the present invention is improved existing graphene cooling LED light source module group and street lamp module,
Simple lens is replaced with into poly-lens, by the size reduction of single COB light source, light is further increased by the realization of multiple COB light sources
Effect, meanwhile, by the design of poly-lens, keep optical fiber more soft.
Based on this, the present invention provides a kind of graphene cooling LED light source module group comprising integrated molding it is several
Mirror and the matched COB light source of lens numbers and heronsbill radiator, and including the graphene cooling LED light source module group
Street lamp module.
Based on this, the present invention further provides a kind of graphene cooling LED light source module groups, wherein is used in light source module group
Lens its projection of shape be ellipse, long axis length ranging from 25mm~40mm of the ellipse, preferably long axis length range
It is preferably long for 28mm~38mm, preferably long axis length ranging from 30mm~36mm, preferably long axis length ranging from 31mm~35mm
Shaft length ranging from 32mm~34mm.
The minor axis length of the ellipse be 15~25mm, preferably minor axis length ranging from 16~24mm, further preferably it is short
Shaft length ranging from 17~23mm, preferably minor axis length ranging from 18~22mm, preferably minor axis length ranging from 19~21mm.
The altitude range of the lens is 15mm~35mm, and preferably altitude range is 16mm~33mm, and preferably altitude range is
17mm~31mm, preferably altitude range are 17mm~30mm, and preferably altitude range is 17mm~28mm, and preferably altitude range is
17mm~25mm.
The present invention further provides a kind of graphene cooling LED light source module groups, wherein in the section of the short axle of the ellipse
On, the height of inner surface of the lens bottom surface to peak is 5mm~10mm, and preferably altitude range is 6mm~9mm, further preferably
Altitude range is 7mm~8mm, and on the section of the long axis of the ellipse, the height of inner surface of the lens bottom surface to peak
For 5mm~10mm, preferably altitude range is 6mm~9mm, and further preferred altitude range is 7mm~8mm.
The present invention further provides a kind of graphene cooling LED light source module groups, wherein and a diameter of the 9 of COB light source~
25mm, preferably a diameter of 10~20cm of COB light source, preferably a diameter of 12~15cm of COB light source.
The present invention further provides a kind of graphene cooling LED light source module groups, wherein the height of heronsbill radiator is 30
~100mm, the preferably height of heronsbill radiator are 35~90mm, and preferably the height of heronsbill radiator is 40~80mm, excellent
It is 45mm~70mm to select the height of heronsbill radiator, and preferably the height of heronsbill radiator is 50~60mm.
Wherein, the interior diameter of heronsbill radiator be 50~80mm, preferably the interior diameter of heronsbill radiator be 55~
75mm, the preferably interior diameter of heronsbill radiator are 60~70mm, and preferably the interior diameter of heronsbill radiator is 63~78mm.
Wherein, the overall diameter of heronsbill radiator be 120~200mm, preferably the overall diameter of heronsbill radiator be 130~
190mm, the preferably overall diameter of heronsbill radiator be 140~180mm, preferably the overall diameter of heronsbill radiator be 150~
170mm, the preferably overall diameter of heronsbill radiator are 155~165mm.
The present invention further provides a kind of graphene cooling LED light source module groups, wherein integrally formed several lens are one
The quantity of four body formed lens, COB light source is four.
The present invention further provides a kind of graphene cooling LED light source module groups, wherein the light source module group includes：Trim ring,
Lens, cushion rubber, light source, heat-conducting glue, radiator platform, graphene phase-change material, heronsbill radiator and rear cover.
The present invention further provides a kind of graphene cooling LED light source module groups, wherein light source module group is pressed in by trim ring
To squeeze the sealing that cushion rubber realizes lens and radiator platform, graphene phase-change material is located at heronsbill heat dissipation at the edge of lens
The hollow space of device, heat-conducting glue and light source are attached on radiator platform, and rear cover is used to seal graphene phase-change material, and too
It is coated with graphene thermal dispersant coatings on the outer surface of sun flower radiator.
Further, the thickness range of heat-conducting glue of the invention be 0.01~0.2mm, preferred thickness range be 0.02~
0.18mm, further preferred thickness range are 0.03~0.15mm, and further preferred thickness range is 0.04~0.12mm, into one
Step preferred thickness range be 0.05~0.10mm, further preferably 0.06~0.09mm, further preferably 0.07~
0.08mm。
The present invention also provides a kind of street lamp modules comprising：The light source module group and power supply of the present invention.
Invention effect
COB light source the diameter 22mm or 27mm of graphene cooling LED light source module group in compared with the existing technology, the present invention
The COB light source diameter provided narrows down to 9~25mm, preferably 10~20cm, further preferred 12~15cm.Original individual particle
Light source, power density is high, and heat is high, and the temperature difference between radiator is high, and radiator is not easy to radiate well, this is easy
Lead to junction temperature of chip, junction temperature is higher, and luminous flux is lower, and light decay is bigger, lighting effect can be caused dimmed over time, and uses more
The diameter of a COB light source, single light source was obviously reduced more originally, and power density reduces, and heat reduces, the temperature between radiator
Difference is lower, and the heat that radiator is used for distributing tails off, and therefore, reduces the volume of radiator, is keeping radiator area identical
Under the premise of, radiator height is 30~100mm, and compared with prior art, the volume of radiator itself reduces 1/3.
In addition, the structure of the lens of the present invention is the structure for having specific shape, by using the lens of the present invention, knot
Structure is compact, effectively reduces lens area, but the structure of lens using the present invention, is ensureing specular removal and photochromic uniform
Under the premise of, further significantly reduce the volume of lens.
Description of the drawings
Fig. 1 is the overall schematic of the LED light source module of the present invention.
Fig. 2 is the decomposition diagram of the LED light source module of the present invention.
Fig. 3 is the schematic diagram of lens in the LED light source module in the specific embodiment of the present invention.
Fig. 4 be the present invention comparative example in the schematic diagram of LED light source module that uses.
Fig. 5 is the structure chart of the heronsbill radiator in the specific embodiment of the present invention.
Specific implementation mode
Fig. 1 shows the overall schematic of LED light source module of the present invention.Fig. 2 shows being related to for the present invention
The decomposition diagram of LED light source module.
Decomposition diagram according to fig. 2 can be seen that LED light source module of the present invention：Trim ring 1, lens 2,
Cushion rubber 3, light source 4, heat-conducting glue 5, radiator platform 6, graphene phase-change material 7, heronsbill radiator 8 and rear cover 9.Fig. 1 is aobvious
The mounted overall schematic of light source module group is shown.
The specific connection of light source module group is the edge that lens 2 are pressed in by trim ring 1, to squeeze cushion rubber 3, realizes lens 2
It is sealed with radiator platform 6, it is that the heat-conducting glue 5 containing grapheme material (hereinafter will be right to prevent leak gas leakage, heat-conducting glue 5
It is specifically described), by the way that heat-conducting glue 5 and light source 4 to be attached on radiator platform 6, realizes and light is transmitted by heat-conducting glue 5
The heat in source 4.
As described above the present invention heat-conducting glue 5 thickness range be 0.01~0.2mm, preferred thickness range be 0.02~
0.18mm, further preferred thickness range are 0.03~0.15mm, and further preferred thickness range is 0.04~0.12mm, into one
Step preferred thickness range be 0.05~0.10mm, further preferably 0.06~0.09mm, further preferably 0.07~
0.08mm.Specifically the thickness of heat-conducting glue of the invention can be 0.01mm, 0.02mm, 0.03mm, 0.04mm, 0.05mm,
0.06mm、0.07mm、0.08mm、0.09mm、0.10mm、0.11mm、0.12mm、0.13mm、0.14mm、0.15mm、0.16mm、
0.17mm, 0.18mm, 0.19mm and 0.20mm.
There are hollow space, graphene phase-change material 7 to be placed on the hollow portion of heronsbill radiator 8 among heronsbill radiator 8
In point, for sealing graphene phase-change material 7, radiator platform 6 is placed on heronsbill radiator 8 rear cover 9, is dissipated by heronsbill
Hot device 8 radiates, and the outer surface of heronsbill radiator 8 applies following graphene thermal dispersant coatings (Fig. 3 is not shown).
It is provided with cushion rubber 3 between several lens 2 and radiator platform 6, trim ring 1 is equipped on the outside of 2 edge of several lens,
Trim ring 1 is screwed in the edge of radiator platform 6, realizes that several lens pass through cushion rubber tight seal with light source substrate.
The light source 4 of the present invention concentrates light source, wherein a diameter of 9~25mm of each COB light source, preferably COB using COB
A diameter of 10~20cm of light source, preferably a diameter of 12~15cm of COB light source.Specifically COB light source of the invention is straight
Diameter can be 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm,
23mm, 24mm and 25mm.
In particular it relates to light source module group in lens the results are shown in Figure 3.Usually single COB light source,
Light intensity is very strong, easy to be dazzling, and the light source module group of the present invention uses multiple COB light sources, and light is softer, can look at straight.
In the present invention, it is preferred to which the quantity of lens is four, correspondingly, the quantity of light source is four.
The lens of the present invention have carried out integrated design, are integrally formed for example, by the mode of compression molding, Fig. 3 is shown
View in four lens multiple directions.Molding mode is not limited further in the present invention, as long as can be by number
A lens are integrally formed.
Wherein, the projection of shape of the lens is ellipse, as shown in Figure 3 C, the minor axis length range of the ellipse of the projection
For 15~25mm, preferably minor axis length ranging from 16~24mm, further preferred minor axis length ranging from 17~23mm is preferably short
Shaft length ranging from 18~22mm, preferably minor axis length ranging from 19~21mm.The specifically short axle of ellipse of the invention
Length can be 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm and 25mm.
In a specific embodiment, minor axis length ranging from 19.05mm-19.15mm, preferably minor axis length are
19.09mm, as shown in the number marked in Fig. 3 (C).
From (such as sections B-B in Fig. 3 (A)) in terms of the section of short axle, the height of the inner surface bottom surface of lens to peak
Ranging from 5mm~10mm, preferably altitude range are 6mm~9mm, and further preferred altitude range is 7mm~8mm.Have at one
In the embodiment of body, from (such as sections B-B in Fig. 3 A) in terms of the section of short axle, peak is arrived in the inner surface bottom surface of lens
Altitude range is 7.50mm-7.60mm, preferably 7.55mm, as shown in Fig. 3 (A).
Long axis length ranging from 25mm~40mm of the ellipse of the projection, preferably long axis length ranging from 28mm~
38mm, preferably long axis length ranging from 30mm~36mm, preferably long axis length ranging from 31mm~35mm, preferably long axis length model
It encloses for 32mm~34mm.Specifically the long axis length of ellipse of the invention can be 25mm, 26mm, 27mm, 28mm,
29mm, 30mm, 31mm, 32mm, 33mm, 34mm, 35mm, 36mm, 37mm, 38mm, 39mm and 40mm.
In a specific embodiment, long axis length ranging from 32.28mm-32.38mm, preferably 32.33mm such as scheme
Shown in the number marked in 3 (C).
From (such as faces A-A in Fig. 3 (A)) in terms of the section of long axis, the height model of the inner surface bottom surface of lens to peak
It encloses for 5mm~10mm, preferably altitude range is 6mm~9mm, and further preferred altitude range is 7mm~8mm.It is specific at one
Embodiment in, from (such as faces A-A in Fig. 3 (A)) in terms of the section of long axis, the height of the inner surface bottom surface of lens to peak
Degree is 7.80mm-7.90mm, preferably 7.82mm, as shown in Fig. 3 (B).
Further, the altitude range of the lens is 15mm~35mm, and preferably altitude range is 16mm~33mm, preferably height
Ranging from 17mm~31mm, preferably altitude range are 17mm~30mm, and preferably altitude range is 17mm~28mm, preferably height model
It encloses for 17mm~25mm.Specifically the height of lens of the invention can be 15mm, 16mm, 17mm, 18mm, 19mm, 20mm,
21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, 31mm, 32mm, 33mm, 34mm and
35mm。
In a specific embodiment, the altitude range of lens be 17.25mm-17.35mm, preferably 17.31mm,
As shown in the number marked in Fig. 3 (B).
The present invention heronsbill radiator 8 height be 30~100mm, preferably the height of heronsbill radiator be 35~
90mm, the preferably height of heronsbill radiator are 40~80mm, and preferably the height of heronsbill radiator is 45mm~70mm, preferably
The height of heronsbill radiator is 50~60mm.The height of heronsbill radiator 8 refers to heronsbill heat dissipation shown in fig. 1 or fig. 2
The outer peripheral length of device, specifically, the height of heronsbill radiator can be 30mm, 35mm, 40mm, 45mm, 50mm,
55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm and 100mm.
Wherein, the interior diameter of heronsbill radiator be 50~80mm, preferably the interior diameter of heronsbill radiator be 55~
75mm, the preferably interior diameter of heronsbill radiator are 60~70mm, and preferably the interior diameter of heronsbill radiator is 63~78mm.Too
The interior diameter of sun flower refers to the diameter of the hollow cylinder of heronsbill radiator as shown in Figure 2, specifically, heronsbill heat dissipation
The interior diameter of device can be 50mm, 52mm, 54mm, 55mm, 56mm, 58mm, 60mm, 62mm, 64mm, 65mm, 66mm, 68mm,
70mm, 72mm, 74mm, 75mm, 76mm, 78mm and 80mm.
Wherein, the overall diameter of heronsbill radiator be 120~200mm, preferably the overall diameter of heronsbill radiator be 130~
190mm, the preferably overall diameter of heronsbill radiator be 140~180mm, preferably the overall diameter of heronsbill radiator be 150~
170mm, the preferably overall diameter of heronsbill radiator are 155~165mm.The overall diameter of heronsbill refers to the sun as shown in Figure 2
The diameter of flower radiator entire cylinder, specifically, the overall diameter of heronsbill radiator can be 120mm, 125mm,
130mm, 135mm, 140mm, 145mm, 150mm, 155mm, 160mm, 175mm, 180mm, 185mm, 190mm, 195mm and
200mm。
Fig. 5 is the structure chart of the heronsbill radiator in the specific embodiment of the present invention, specific as figure 5 illustrates
Embodiment in, the height of the heronsbill radiator is 50mm, interior diameter 72mm, overall diameter 160mm.
It hereinbefore mentions, heat-conducting glue 5 has been used in light source module group of the present invention, which is containing stone
The heat-conducting glue 5 of black alkene material.It is formed by the heat conductive silicone grease composition comprising graphene, and the heat conductive silicone grease composition is after fitting
It can be solidified as solid, property stabilization is not easy to be affected by the external environment, and chip in light source 4 and heronsbill radiator 8 can be made close
Connection.And on the other hand, if being easily affected by temperature and being generated free so as to cause core using the state of common heat-conducting silicone grease
Piece generates gap with cooling platform reduces radiating efficiency.In general, the heat-conducting silicone grease coefficient of heat transfer comprising graphene is 3.0W/mk
More than, and traditional heat-conducting silicone grease coefficient of heat transfer is only 1.0W/mk or so, it in this way can using the heat-conducting silicone grease comprising graphene
Heat transfer property is promoted 1.5 times or more.Including the service life of the heat-conducting silicone grease of graphene is 10 years or so, this is also significantly excellent
In 2 years or so of conventional thermal conductive silicone grease, therefore, heronsbill radiator can preferably be realized using the heat-conducting glue comprising graphene
Heat dissipation to light source.Patent CN201210119361.9 of the used heat conduction glue material comprising graphene before applicant
It has disclosed, this will not be detailed here, and CN201210119361.9 disclosure of that is quoted this herein.In the present invention
In, light source 4 is pasted onto by graphene heat-conducting silicone grease 5 on radiator platform 6, realizes that the heat of the generation of COB light source leads to rapidly
It crosses graphene heat-conducting silicone grease to be transmitted on heronsbill radiator, the heat conduction efficiency of COB light source chip is greatly improved, make light source core
Piece temperature is maintained in a good range, reduces the light decay of COB light source chip, extends the use of COB light source
Service life.
Heronsbill radiator 8 of the present invention is the radiator structure of the multiple tooth radial fin of a hollow band, graphite
Alkene phase-change material is fed into the hollow space of heronsbill radiator 8, cylinder after its solidification, in heronsbill radiator 8
Empty part can be sealed by radiator platform 6 and rear cover 9.
The present invention built-in graphene phase transformation nanometer heat accumulating, graphene phase-change material in 8 cavity of heronsbill radiator
It can also realize the effect of heat accumulation samming, further improve the radiating efficiency of radiator.Graphene phase transformation provided by the invention
Nanometer heat accumulating has disclosed in the application CN201310714156.1 before applicant, used internal layer phase change layer
It is prepared using various existing phase-change materials, solid-liquid phase change material, liquid-gas phase transition material, solid-solid phase change material may be used
Person's solid-gas reaction material, specific material can select organic matter or inorganic matter.It is preferred that solid-liquid phase change material is used, by solid liquid phase
Become material to be stored in inside covert layer and can be realized, phase-change material has and can vary with temperature and change form and can provide latent heat
Characteristic.From solid-state become liquid or become solid process from liquid to be known as in phase transition process in phase-change material, phase-change material
A large amount of latent heat will be absorbed or discharged, CN201310714156.1 disclosure of that is quoted this herein.Phase-change material has
There is the ability for changing its physical state in certain temperature range so that it is capable of the certain temperature of the holding of long period, institute
State 0~200 DEG C of solid-liquid phase change material transition temperature range, the preferred paraffin of material, microcrystal wax, atoleine,
The light source 4 is secured by threads on heronsbill radiator 8, and 8 hollow space of heronsbill radiator is placed
Graphene phase-change material 7, bottom are sealed by rear cover 9.Graphene phase-change material 7 further improves dissipating for radiator 20%
The thermal efficiency makes radiator volume-diminished 3/4 under identical radiating condition, keeps LED module more light easy to install.The present invention carries
Application CN201310714156.1 of the graphene phase transformation nanometer heat accumulating of confession before applicant has disclosed, and is used
Internal layer phase change layer be prepared using various existing phase-change materials, may be used solid-liquid phase change material, liquid-gas phase transition material,
Solid-solid phase change material person's solid-gas reaction material, specific material can select organic matter or inorganic matter.It is preferred that using solid-liquid phase change
Solid-liquid phase change material is stored in inside covert layer and can be realized by material, phase-change material have can vary with temperature and change shape
State can simultaneously provide latent thermal property.From solid-state become liquid in phase-change material or become solid process from liquid to be known as phase transformation
Cheng Zhong, phase-change material will absorb or discharge a large amount of latent heat.Phase-change material has changes its physics shape in certain temperature range
The ability of state so that it is capable of the certain temperature of holding of long period, the solid-liquid phase change material transition temperature range 0~
200 DEG C, the preferred Na of material2SO4·10H2O, paraffin, hexadecylic acid, polyalcohol, crystallization water hydrochlorate, phosphate, acetate, fat
Hydrocarbon, aliphatic acid, aromatic hydrocarbon.
8 outer surface of heronsbill radiator coating provided by the invention is increased by RLCP graphene fluororesin composite material coatings
Strong infra-red radiation promotes 10% radiating efficiency.Common radiator surface emissivity coefficient is 0.2, and RLCP graphene fluororesin is added
Radiation coefficient increases to 0.7 after composite coating.To external radiation and deposits heat and greatly enhance.Used RLCP graphenes fluorine tree
Application CN201310089504.0 of the resin composite material before applicant has disclosed, and this will not be detailed here.
Embodiment
The substance used in the following embodiments is as described below, and each substance used in embodiment is can be commercially available
Substance.
Graphene phase-change material is specifically prepared as：
The additive ingredient and its mass ratio used for：The matter of carbon nanotube, graphene, particulate matter, aerosil
For amount than being 1: 10: 8: 1, the mass ratio of whole additives and following phase-change materials is 1: 4.
Purity >=95wt% of carbon nanotube, ash content≤0.2wt%.
Particulate matter is aluminium oxide (Al2O3), average grain diameter 10um.
Phase-change material is paraffin, and phase transition temperature is 70 DEG C.
Heating paraffin is melted to complete, then carbon nanotube, graphene and the particulate matter that mass ratio is 1: 10: 8 are poured into
It is premixed in paraffin molten liquid, stirs to the aerosil for after mixing, being slowly added to required quality, continue to stir
To after mixing, cooling can obtain phase-change material finally.
Including the heat-conducting silicone grease of graphene is specifically prepared as：
The additive ingredient and its mass ratio of use are as follows：Carbon nanotube, graphene, particulate matter mass ratio be 1: 6: 3,
The volume ratio of whole additives and silicone oil is 6: 4.
Purity >=95wt% of carbon nanotube, ash content≤0.2wt%.
Particulate matter is to wrap up the phase transformation capsule of paraffin, including the material of paraffin is aluminium oxide, and phase transition temperature is 29 DEG C, average
Grain size is 60um.
It is the dimethicone of 500000cSt and the mixture of containing hydrogen silicone oil at 25 DEG C that the silicone oil, which selects viscosity,.
Preparation method
The graphene that mass ratio is 6: 3 is poured into particulate matter in a small amount of silicone oil and is premixed, in churned mechanically condition
Under, it is slowly added to the carbon nanotube of required quality, while supplementing silicone oil at any time until required silicone oil.Continue mechanical agitation half
After hour, grinding is continued one hour to get final silicone grease to mixture with pair-roller grinder.
RLCP graphene fluororesin composite materials are specifically prepared as：
The fluorine silicon resin (offer of Shanghai Hui Yan new materials Co., Ltd) of mass percent 50%, 40% acrylic acid dilution
Agent, 4% electron transfer type organic compound polypropylene, 1% graphene, 1% carbon nanotube, 1% titanium dioxide, 3%
Curing agent epoxy resin mixed by step after stir evenly to form target coating under the conditions of 800-1000 revs/min of room temperature.
RLCP graphenes fluororesin composite material is coated in heronsbill radiator by the following method in the following embodiments
Surface.
Embodiment 1
The lens of embodiment 1 are shaped according to the size of Fig. 3, other structures are as shown in Figure 2.
Using ф 160*50mm male model heronsbill radiators (as shown in Figure 5), 30W integrated optical sources, light source and radiator are flat
Using above-mentioned, the heat-conducting silicone grease connection comprising graphene, heronsbill cavity inside are filled out using above-mentioned graphene phase-change material between platform
It fills, 100 μm of above-mentioned RLCP graphenes fluororesin composite material is then coated with to spreader surface, wherein the specific steps are
To need spray spreader surface deoil, decontamination cleaning treatment, spray gun, spray gun pressure are poured into after target coating is sufficiently stirred
It is set as 0.4MPa, alignment target surface, the two distance is 10-20cm, sprays 2-3 times back and forth, makes coating uniform fold object
Surface.It is coating uniform, glossy, thickness can optimum choice as needed, coating can be cured 12 hours with natural air drying or
It is placed in baking oven and toasts 10 minutes rapid curings, form the light source module group and street lamp module of embodiment 1.In the present embodiment, shape
At heat-conducting glue thickness be 0.07mm.
Embodiment 2
The light source module group and street lamp module same as Example 1 for forming embodiment 2, in addition in the present embodiment, formation
The thickness of heat-conducting glue is 0.15mm.
Embodiment 3
The light source module group and street lamp module same as Example 1 for forming embodiment 3, in addition in the present embodiment, formation
The thickness of heat-conducting glue is 0.2mm.
Embodiment 4
The light source module group and street lamp module same as Example 1 for forming embodiment 4, in addition in the present embodiment, formation
The thickness of heat-conducting glue is 0.01mm.
Comparative example 1
The lens component of comparative example 1 is shaped according to the size of Fig. 4.The COB of a diameter of 22mm or 27mm is used in comparative example 1
Light source.In addition to this identical with embodiment 1.
Photoelectric parameter testing is electrically measured with photometric method using IES LM-79-08 solid-state lightings product, by
National light fitting quality supervisory detection Spot detection, used test equipment by horizontal distributed luminosity system, digital power meter and
High-precision fast spectrum radiometer, the diameter 3m of the integrating sphere of use, coating reflectivity 95%, arrangement use 4 π, distribution
Photometric measuring distance is 20.36m, and the comparison of test result opto-electronic test data is as shown in table 1：
1 opto-electronic test data of table
Can be seen that by the data of table 1 can effectively promote luminous flux, light using the light source module group of structure of the invention
Effect, and colour temperature and development index can also be kept.
Claims (10)
1. a kind of light source module group comprising：
Integrally formed several lens,
The COB light source equal with lens number quantity, and
Heronsbill radiator.
2. light source module group according to claim 1, wherein
The projection of shape of the lens is ellipse,
Long axis length ranging from 25mm~40mm of the ellipse, preferably long axis length ranging from 28mm~38mm, it is preferably long
Shaft length ranging from 30mm~36mm, preferably long axis length ranging from 31mm~35mm, preferably long axis length ranging from 32mm~
34mm；
The minor axis length of the ellipse is 15~25mm, preferably minor axis length ranging from 16~24mm, further preferred short axle
Length range is 17~23mm, preferably minor axis length ranging from 18~22mm, preferably minor axis length ranging from 19~21mm；And
The altitude range of the lens is 15mm~35mm, and preferably altitude range is 16mm~33mm, and preferably altitude range is
17mm~31mm, preferably altitude range are 17mm~30mm, and preferably altitude range is 17mm~28mm, and preferably altitude range is
17mm~25mm.
3. light source module group according to claim 2, wherein
On the section of the short axle of the ellipse, the height of the inner surface of the lens bottom surface to peak is 5mm~10mm, excellent
It is 6mm~9mm to select altitude range, and further preferred altitude range is 7mm~8mm；And
On the section of the long axis of the ellipse, the height of the inner surface of the lens bottom surface to peak is 5mm~10mm, excellent
It is 6mm~9mm to select altitude range, and further preferred altitude range is 7mm~8mm.
4. light source module group described in any one of claim 1 to 3, wherein
A diameter of 9~25mm of the COB light source, preferably a diameter of 10~20cm of COB light source, the preferably diameter of COB light source
For 12~15cm.
5. light source module group according to any one of claims 1 to 4, wherein
The height of the heronsbill radiator is 30~100mm, and preferably the height of heronsbill radiator is 35~90mm, preferably too
The height of sun flower radiator is 40~80mm, and preferably the height of heronsbill radiator is 45mm~70mm, and preferably heronsbill radiates
The height of device is 50~60mm；
The interior diameter of the heronsbill radiator is 50~80mm, and preferably the interior diameter of heronsbill radiator is 55~75mm, excellent
It is 60~70mm to select the interior diameter of heronsbill radiator, and preferably the interior diameter of heronsbill radiator is 63~78mm；And
The overall diameter of the heronsbill radiator be 120~200mm, preferably the overall diameter of heronsbill radiator be 130~
190mm, the preferably overall diameter of heronsbill radiator be 140~180mm, preferably the overall diameter of heronsbill radiator be 150~
170mm, the preferably overall diameter of heronsbill radiator are 155~165mm.
6. light source module group according to any one of claims 1 to 5, wherein
The quantity of four lens that integrally formed several lens are integrally formed, COB light source is four.
7. light source module group according to any one of claims 1 to 5, wherein the light source module group further includes：Trim ring, glue
Circle, heat-conducting glue, radiator platform, graphene phase-change material and rear cover.
8. light source module group according to claim 7, wherein
The light source module group by trim ring is pressed in the edge of lens to squeeze the sealing that cushion rubber realizes lens and radiator platform,
The graphene phase-change material is located at the hollow space of heronsbill radiator, and the heat-conducting glue and light source are attached to radiator platform
On, the rear cover seals the graphene phase-change material and the outer surface of the heronsbill radiator is dissipated coated with graphene
Hot coating.
9. light source module group according to claim 8, wherein
The thickness range of the heat-conducting glue is 0.01~0.2mm, and preferred thickness range is 0.02~0.18mm, further preferably thick
Ranging from 0.03~0.15mm is spent, further preferred thickness range is 0.04~0.12mm, and further preferred thickness range is
0.05~0.10mm, further preferably 0.06~0.09mm, further preferably 0.07~0.08mm.
10. a kind of street lamp module comprising：
Light source module group according to any one of claims 1 to 9, and
Power supply.
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| CN201810851713.7A CN108758450A (en) | 2018-07-30 | 2018-07-30 | Graphene cooling LED four eyed module |
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