CN109945144A - A kind of heat absorption decompression thermal conductivity heat-insulating structure for liquid quantum dot LED light - Google Patents
A kind of heat absorption decompression thermal conductivity heat-insulating structure for liquid quantum dot LED light Download PDFInfo
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- CN109945144A CN109945144A CN201910309831.XA CN201910309831A CN109945144A CN 109945144 A CN109945144 A CN 109945144A CN 201910309831 A CN201910309831 A CN 201910309831A CN 109945144 A CN109945144 A CN 109945144A
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Abstract
The present invention provides a kind of heat absorptions for liquid quantum dot LED light to depressurize thermal conductivity heat-insulating structure, belongs to led light technology field, and including pedestal and the transparent outer cover being set on the base, base bottom is provided with cooling fin；The first translucent inner shell is provided on the inside of transparent outer cover, the second translucent inner shell is provided on the inside of first translucent inner shell, liquid quantum dot is provided in space between transparent outer cover and the first translucent inner shell, cavity between first translucent inner shell and the second translucent inner shell is air layer, second translucent inner shell surface is coated with transparent heat insulating dope, is filled with transparent heat absorption liquid inside the second translucent inner shell；It is provided with aluminum heat conducting plate and heat conductive rod in second translucent inner shell, LED chip is provided on aluminum heat conducting plate, aluminum heat conducting plate surface is coated with transparent heat-conducting glue, and heat conductive rod upper end is provided with hollow sphere, and heat conductive rod lower end passes through pedestal and connect with cooling fin.The structure endotherm area is big, good heat dissipation effect, greatly avoids influence of the temperature to quantum dot.
Description
Technical field
The invention belongs to led light technology fields, and in particular to a kind of heat absorption decompression for liquid quantum dot LED light is thermally conductive
Heat insulation structural.
Background technique
With it, low energy consumption, luminous efficiency is high, small in size, safe as High Efficiency Solid-State illuminating source for light emitting diode (LED)
Reliably, the excellent characteristics such as environmentally protective, simple structure are considered as one of the product of 21 century most future, and quantum dot, which has, to be inhaled
Distinct opticals and the electrical properties such as wide, transmitting is narrow, quantum yield is big are received, when its physical size is less than the Bohr radius of exciton
When, due to quantum size effect, unique optics and electronics property is made it have, its optical property largely takes
Certainly in the size of quantum point grain diameter, and it is unrelated with composition, and the size by changing quantum dot can be obtained from ultraviolet to near-infrared
Emission spectrum in range under any wavelength, and the conventional fluorescent powder material that compares is full with higher luminous efficiency and color
And degree, stability of photoluminescence is also preferable, therefore advantage is significant.
Since the energy of the liquid quantum dot LED luminescence chip overwhelming majority converts thermal energy, current existing liquid quantum dot
LED light, heat dissipation effect is bad, and a big chunk heat to shed has still passed on quantum dot, and temperature is excessively high to make it shine
Effect failure, the heat dissipation performance difference of lamps and lanterns will affect the service life and luminous efficiency of lamps and lanterns.Therefore, do not have on the market real
The property used.So the heat dissipation problem for solving liquid quantum dot LED light is most important for the luminescent properties for promoting lamp, thus to make
Liquid quantum dot LED lamp is more widely used, and must just solve heat dissipation problem, the guiding for the heat that control LED sheds
It is heat-insulated critically important with liquid quantum dot.
Therefore, the application provides a kind of heat absorption decompression thermal conductivity heat-insulating structure for liquid quantum dot LED light.
Summary of the invention
In order to overcome the shortcomings of the prior art described above, the present invention provides a kind of for liquid quantum dot LED light
Heat absorption decompression thermal conductivity heat-insulating structure.
To achieve the goals above, the invention provides the following technical scheme:
A kind of heat absorption decompression thermal conductivity heat-insulating structure for liquid quantum dot LED light, including pedestal and setting are at the bottom
Transparent outer cover on seat, the base bottom are provided with cooling fin；
The first translucent inner shell is provided on the inside of the transparent outer cover, it is transparent to be provided with second on the inside of first translucent inner shell
Inner casing is provided with liquid quantum dot, first translucent inner shell in the space between the transparent outer cover and the first translucent inner shell
And the second cavity between translucent inner shell is air layer, and second translucent inner shell surface is coated with transparent heat insulating dope, and described the
Transparent heat absorption liquid is filled with inside two translucent inner shells；
It is provided with aluminum heat conducting plate and heat conductive rod in second translucent inner shell, is respectively provided on the front and back sides of the aluminum heat conducting plate
There is LED chip, the aluminum heat conducting plate surface is coated with transparent heat-conducting glue, has cavity inside the heat conductive rod and lower end is in opening
Shape, the heat conductive rod upper end are communicated with hollow sphere, and the heat conductive rod lower end passes through the pedestal and connect with the cooling fin.
Preferably, the material of the heat conductive rod is heat conductive silica gel or heat-conducting resin, and the hollow sphere is flexible plastic material,
The transparent heat insulating dope is transparent silica gel.
Thermal conductivity heat-insulating structure is depressurized for the heat absorption of liquid quantum dot LED light according to claim, feature exists
In the quantity of the heat conductive rod is two, and two heat conductive rods are separately positioned on the two sides of the aluminum heat conducting plate.
Preferably, the transparent heat absorption liquid is silicone oil or transformer oil.
It preferably, further include power supply apparatus, the power supply apparatus is arranged in the pedestal, and the power supply apparatus is described
LED chip power supply.
Preferably, the power supply apparatus is located at below the aluminum heat conducting plate, is connected with power supply line on the power supply apparatus, institute
It states power supply line end and is connected with plug.
Preferably, the transparent outer cover, the first translucent inner shell and the second translucent inner shell are glass material.
Have below provided by the present invention for the heat absorption decompression thermal conductivity heat-insulating structure of liquid quantum dot LED light beneficial to effect
Fruit:
1. heat absorption liquid can be very good to be attached on aluminium sheet and LED, good heat absorptivity, device heat absorption are played in this way
Area is big, it is thermally conductive unsmooth inside traditional LED lamp effectively to solve the problems, such as；
2. the pressure of hollow decompression conductive structure not only adjustable liquid, can also be by leading partial heat in liquid
To cooling fin, while hollow parts are also beneficial to air flowing, and heat dissipation dissipates heat behind lamp holder；
3. insulating moulding coating and air layer can effectively obstruct LED chip heat and be passed in quantum dot liquid；
It, will not be easy to maintain in inner accumulation dust 4. this sealing structure.
Detailed description of the invention
Fig. 1 is that the structure of the heat absorption decompression thermal conductivity heat-insulating structure for liquid quantum dot LED light of the embodiment of the present invention 1 is shown
It is intended to；
Fig. 2 is the vertical view of the heat absorption decompression thermal conductivity heat-insulating structure for liquid quantum dot LED light of the embodiment of the present invention 1
Figure.
Description of symbols:
Power supply line -1, cooling fin -2, pedestal -3, transparent outer cover -4, the first translucent inner shell -5, the second translucent inner shell -6, liquid
Body quantum dot -7, air layer -8, transparent heat insulating dope -9, transparent heat absorption liquid -10, transparent heat-conducting glue -11, aluminum heat conducting plate -12,
LED chip -13, hollow sphere -14, heat conductive rod -15, power supply apparatus -16.
Specific embodiment
With reference to the accompanying drawing, further description of the specific embodiments of the present invention.Following embodiment is only used for more
Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description technical solution of the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property.In the description of the present invention, it should be noted that unless otherwise specific regulation or limit, term " connected ", " connection " are answered
It broadly understood, for example, it may be being fixedly connected, may be a detachable connection or integral type connects；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, be also possible to indirectly connected through an intermediary.For the general of this field
For logical technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.It is retouched in of the invention
In stating, unless otherwise indicated, the meaning of " plurality " is two or more, and this will not be detailed here.
Embodiment 1
Thermal conductivity heat-insulating structure is depressurized in the heat absorption that the present invention provides a kind of for liquid quantum dot LED light, it is specific such as Fig. 1 and
Shown in Fig. 2, including pedestal 3 and setting transparent outer cover 4 on the base 3,3 bottom of pedestal is provided with cooling fin 2；
It is provided with the first translucent inner shell 5 on the inside of transparent outer cover 4, is provided with the second translucent inner shell on the inside of the first translucent inner shell 5
6, it is provided with liquid quantum dot 7 in the space between transparent outer cover 4 and the first translucent inner shell 5, the first translucent inner shell 5 and second is thoroughly
Cavity between bright inner casing 6 is air layer 8, and 6 surface of the second translucent inner shell is coated with transparent heat insulating dope 9, in the second translucent inner shell 6
Portion is filled with transparent heat absorption liquid 10；In the present embodiment, transparent outer cover 4, the first translucent inner shell 5 and the second translucent inner shell 6 are
Glass material, transparent heat absorption liquid 10 are silicone oil or transformer oil, and transparent heat insulating dope 9 is transparent silica gel.
It is provided with aluminum heat conducting plate 12 and heat conductive rod 15 in second translucent inner shell 6, is respectively provided on the front and back sides of aluminum heat conducting plate 12
There is LED chip 13,12 surface of aluminum heat conducting plate is coated with transparent heat-conducting glue 11, has cavity inside heat conductive rod 15 and lower end is in opening
Shape, 15 upper end of heat conductive rod are communicated with hollow sphere 14, and 15 lower end of heat conductive rod passes through pedestal 3 and connect with cooling fin 2.In the present embodiment,
The material of heat conductive rod 15 is heat conductive silica gel or heat-conducting resin, and hollow sphere 14 is flexible plastic material.When transparent heat absorption liquid 10 by
Thermal expansion, will compress hollow sphere 14, to adjust the pressure of transparent heat absorption liquid 10.
Further, in order to improve heating conduction, the quantity of heat conductive rod 15 is two in the present embodiment, two heat conductive rods 15
It is separately positioned on the two sides of aluminum heat conducting plate 12.
It further include power supply apparatus 16, power supply apparatus in the present embodiment to provide the power supply met the requirements to LED chip 13
16 are arranged in pedestal 3, and power supply apparatus 16 here is exactly the similar transformer with phone charger, will access power supply apparatus 16
Line voltage be converted to the suitable voltage of LED chip 13, for LED chip 13 power.
Specifically, power supply apparatus 16 is located at 12 lower section of aluminum heat conducting plate in the present embodiment, power supply is connected on power supply apparatus 16
Line 1,1 end of power supply line are connected with plug.
The working principle of heat absorption decompression thermal conductivity heat-insulating structure provided in this embodiment is as described below:
Power supply apparatus 16 supplies electricity to LED chip 13, and the heat diffusion of LED chip 13 is to aluminum heat conducting plate 12 by heat absorption liquid 10
It absorbs, the heat in heat absorption liquid 10 is transmitted to cooling fin 2 by heat conductive rod 15 again, and heat sheds through cooling fin 2 from below.Wherein
There is transparent heat insulating dope 9 on the outside of two translucent inner shells, is air layer 8 between the first translucent inner shell 5 and transparent heat insulating dope 9, two kinds
Mode can be effectively heat-insulated to quantum dot liquid 7.Wherein heat conductive rod 15 has hollow sphere 14, adjustable transparent suction close to liquid end
The pressure of hot liquid 10.The transparent heat conductive silica gel 11 of transparent watertight is wherein evenly coated with around aluminum heat conducting plate 12, wherein second thoroughly
Transparent heat absorption liquid 10 in bright inner casing 6 is that thermal diffusivity is good, insulating properties is high, high temperature resistant, non-corrosive, physicochemical properties are long-term
Stable silicone oil or transformer oil, in the present embodiment, all binding sites are tightly connected by marine glue, and sealing structure will not
It is easy to maintain in inner accumulation dust.
Embodiment described above is merely preferred embodiments of the present invention, and the scope of protection of the present invention is not limited to this,
Anyone skilled in the art within the technical scope of the present disclosure, the technical solution that can be become apparent to
Simple change or equivalence replacement, all belong to the scope of protection of the present invention.
Claims (7)
1. thermal conductivity heat-insulating structure is depressurized in a kind of heat absorption for liquid quantum dot LED light, which is characterized in that including pedestal (3) and
The transparent outer cover (4) being arranged on the pedestal (3), pedestal (3) bottom are provided with cooling fin (2)；
It is provided with the first translucent inner shell (5) on the inside of the transparent outer cover (4), the is provided on the inside of first translucent inner shell (5)
Two translucent inner shells (6) are provided with liquid quantum dot in the space between the transparent outer cover (4) and the first translucent inner shell (5)
(7), the cavity between first translucent inner shell (5) and the second translucent inner shell (6) is air layer (8), and described second is transparent interior
Shell (6) surface is coated with transparent heat insulating dope (9), is filled with transparent heat absorption liquid (10) inside second translucent inner shell (6)；
It is provided with aluminum heat conducting plate (12) and heat conductive rod (15) in second translucent inner shell (6), the aluminum heat conducting plate (12) is just
It is provided on reverse side LED chip (13), aluminum heat conducting plate (12) surface is coated with transparent heat-conducting glue (11), the heat conductive rod
(15) inside has cavity and lower end is opening-like, and heat conductive rod (15) upper end is communicated with hollow sphere (14), the heat conductive rod
(15) lower end passes through the pedestal (3) and connect with the cooling fin (2).
2. thermal conductivity heat-insulating structure is depressurized in the heat absorption according to claim 1 for liquid quantum dot LED light, feature exists
In the material of the heat conductive rod (15) is heat conductive silica gel or heat-conducting resin, and the hollow sphere (14) is flexible plastic material, described
Transparent heat insulating dope (9) is transparent silica gel.
3. thermal conductivity heat-insulating structure is depressurized in the heat absorption according to claim 2 for liquid quantum dot LED light, feature exists
In the quantity of the heat conductive rod (15) is two, and two heat conductive rods (15) are separately positioned on the aluminum heat conducting plate (12)
Two sides.
4. thermal conductivity heat-insulating structure is depressurized in the heat absorption according to claim 1 for liquid quantum dot LED light, feature exists
In the transparent heat absorption liquid (10) is silicone oil or transformer oil.
5. thermal conductivity heat-insulating structure is depressurized in the heat absorption according to claim 1 for liquid quantum dot LED light, feature exists
In further including power supply apparatus (16), in the pedestal (3), the power supply apparatus (16) is for the power supply apparatus (16) setting
LED chip (13) power supply.
6. thermal conductivity heat-insulating structure is depressurized in the heat absorption according to claim 5 for liquid quantum dot LED light, feature exists
In the power supply apparatus (16) is located at below the aluminum heat conducting plate (12), is connected with power supply line on the power supply apparatus (16)
(1), power supply line (1) end is connected with plug.
7. thermal conductivity heat-insulating structure is depressurized in the heat absorption according to claim 1 for liquid quantum dot LED light, feature exists
In the transparent outer cover (4), the first translucent inner shell (5) and the second translucent inner shell (6) are glass material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910309831.XA CN109945144B (en) | 2019-04-17 | 2019-04-17 | Heat absorption, pressure reduction, heat conduction and heat insulation structure for liquid quantum dot LED lamp |
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| CN201910309831.XA CN109945144B (en) | 2019-04-17 | 2019-04-17 | Heat absorption, pressure reduction, heat conduction and heat insulation structure for liquid quantum dot LED lamp |
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| CN109945144B CN109945144B (en) | 2021-02-26 |
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| CN109945144B (en) | 2021-02-26 |
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