CN101649965A - Liquid-cooled light distribution hollow type LED lamp - Google Patents
Liquid-cooled light distribution hollow type LED lamp Download PDFInfo
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- CN101649965A CN101649965A CN200910101643A CN200910101643A CN101649965A CN 101649965 A CN101649965 A CN 101649965A CN 200910101643 A CN200910101643 A CN 200910101643A CN 200910101643 A CN200910101643 A CN 200910101643A CN 101649965 A CN101649965 A CN 101649965A
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Classifications
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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
- F21V29/50—Cooling arrangements
- F21V29/56—Cooling arrangements using liquid coolants
- F21V29/58—Cooling arrangements using liquid coolants characterised by the coolants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/233—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
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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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
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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
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
-
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Abstract
The invention discloses a liquid-cooled light distribution hollow type LED lamp comprising an electric connector, an LED drive, a lamp holder, an LED light source, a lamp shade and a hollow radiator,wherein the lamp shade is made of basically transparent materials. The liquid-cooled light distribution hollow type LED lamp is characterized in that a cavity positioned between the outer surface of the hollow radiator and the lamp shade is internally partially or completely filled with heat-conducting light distribution liquid; the electric connector and the LED drive are arranged in a built-in hollow chamber of the hollow radiator; the LED light source is directly arranged on the hollow radiator or arranged on the hollow radiator through an LED basal plate; and a connecting wire of the LED light source is contacted with different radiating liquids. The invention has the advantages of good radiating effect, light weight, environmental protection, durability, easy manufacture and low cost.
Description
Technical field
The present invention relates to a kind of LED lamp, specifically relate to a kind of with dispel the heat integral LED lamp with luminous intensity distribution of liquid.
Background technology
Along with the development and maturation of great power LED technology, the performance indications of illuminating LED increase substantially day by day.The light efficiency of the white light LEDs of industrialization at present reaches (70-90) lm/W, light efficiency level considerably beyond ordinary incandescent lamp, great power LED will obtain more and more widely application at lighting field, people it be described as 21 century replace fluorescent lamp and incandescent lamp the 4th generation lighting source.
But because LED will could obtain very high light efficiency and very long life-span below 80 degrees centigrade, therefore the thermal design to the LED lamp requires very high.Heat radiation freely can not cause the LED light decay, reduces luminous efficiency and service life.In order to obtain good heat-radiation effect, can substitute existing commercial criterion bulb again simultaneously, patent (CN1605790A LED lamp apparatus and method thereof) has proposed a kind of new LED lighting device (Fig. 1).
The structure of this lighting device comprises supply convertor that required output voltage is provided and the light engine with high thermal conductivity substrate, be mechanically connected to this suprabasil a plurality of LED semiconductor devices, be fixed in this substrate and around the outer dike of at least a portion of this LED matrix, and be arranged on a plurality of LED matrixs and by the polymeric seal agent of the substantial transparent of outer dike restriction.
This ligthing paraphernalia radiator is to have the suitable high-termal conductivity and the suitable solid material of rigidity, dissipates from the heat of other elements of LED lighting device.For example, the various metals and/or the pottery of aluminium alloy, copper alloy brass, magnesium alloy, carbon condensate, carbon synthetic.Radiator is configured to a plurality of shape things of checking, and increases a large amount of heat of radiator surface area dissipation thus.Such radiator Heavy Weight, metal consumption is many, manufacturing is complicated, cost is high.
In order to address the above problem, Chinese patent CN2735548 discloses a kind of high-capacity LED radiator structure, and it comprises housing pedestal 21, heat radiation case 24, circuit substrate 22 and at least one high-capacity LED 23, has sealed heat-conducting liquid 25 up for safekeeping in the described heat radiation case.Because the heat-conducting liquid of envelope has good heat-conducting in the heat radiation case, littler than the thermal resistance of solid-state metal, purpose is in order to reduce the thermal resistance between heater and the radiating surface.Therefore can adopt littler area of dissipation, obtain large-area radiating effect.Thereby this technical scheme can solve this problem to a great extent.But, because heat-conducting liquid has taken more inner space, also increased the weight and the installation difficulty of product simultaneously, reduced security of products, as shown in Figure 2.
In addition and since metal at high temperature easily with cooling fluid in electrolyte generation electrochemical reaction, thereby bring difficulty for the selection of cooling fluid, with the sealing problem of the heat radiation case very harshness that also becomes.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of hollow type LED lamp technology of liquid-cooled light distribution.
The technical scheme that technical problem adopted that the present invention solves existing invention is:
Liquid-cooled light distribution hollow type LED lamp, comprise electric connector, led driver, lamp socket, led light source, lampshade and hollow radiator, described lampshade adopts the material of substantially transparent, it is characterized in that the outer surface and the interior part of the cavity between the lampshade of described hollow radiator or all be filled with heat-conducting liquid, described electric connector and led driver are arranged in the built-in hollow chamber of hollow radiator, and described led light source directly or by the LED substrate is arranged on the described hollow radiator.
Described hollow radiator contacts with heat-conducting liquid with heat-radiating substrate as the installation of led light source, thereby the heat that led light source sends is conducted by heat-conducting liquid, reaches better heat radiating effect.The connecting line of led light source is sealed in the bottom of led light source and is connected in the built-in hollow chamber of hollow radiator, thereby, the different radiator liquid contacts of the connecting line of led light source.
Hollow radiator of the present invention can be made by light material, and radiator is in light weight, environmental and durable like this, manufacturing is simple, cost is low.What is more important, because heat-conducting liquid of the present invention directly is filled in the outer surface and the cavity between the lampshade of hollow radiator, thereby when improving radiating effect, can not increase the volume of product again, and under the condition that does not influence radiating effect substantially, alleviated the weight of radiator liquid in original invention greatly.
According to the present invention, described heat-conducting liquid has light distributing function, can significantly improve the effective luminous flux of LED by the refraction of this conductive fluid.
According to the present invention, described lampshade surface can be carried out the luminous intensity distribution design as required.As: polishing, reflection shield, printing opacity prism, reflecting coating, rear reflector etc. help strengthening the technology or the special construction of light distribution effect.
According to the present invention, the hollow sphere that described hollow radiator is an integral type also can be the hood configuration that open the bottom.As the edge that adopts its opening end of hood configuration that the bottom opens with as described in the bottom adhesive formation closing structure of lampshade.Described hollow radiator has the top, can be connected with LED lamp socket bottom with special positioning object by glue.
According to the present invention, described heat-conducting liquid can be have do not freeze, non-corrosiveness, no combustibility, avirulent any solution, as wherein any of water, conduction oil, salt solution, ethylene glycol solution or bismethane saturated solution.Heat-conducting liquid can be insulation or nonisulated liquid.
According to the present invention, the hollow heat-dissipating cavity adopts plastics, glass, metal, alloy or macromolecular material, is preferably lightweight material.
According to the present invention, described lampshade outer surface is the surface of continuous smooth transition, as level and smooth surface, corrugated surface etc.It also can be the special material of handling through frosted with light distributing function.
According to the present invention, described lampshade outer surface can also be interrupted surface, as checks the shape thing.
According to the present invention, described lampshade outer surface can also be strip, fan-shaped, circular, square, huge or have a non-regular shape of artistic expression.
According to the present invention, described luminous intensity distribution lampshade adopts glass, PMMA, quartz, acrylic etc. to have the transparent material of better light transmission.
According to the present invention, the driver of LED can be the driver of isolating, and also can be the driver of non-isolation.
According to the present invention, this LED lamp can carry out modularized design and assembly unit.Be applicable to that advertisement casing, street lamp, illuminating lamp, Landscape Lamp, Tunnel Lamp, shot-light etc. need the occasion of high-quality light source.
According to the present invention, heat transfer luminous intensity distribution liquid can be conducting liquid or non-electrically conductive liquid, also can be graininess liquid colloid and the transparent solid of being produced by macromolecule and nano material.
According to the present invention, described led driver can be built-in, also can be external.
According to the present invention, described led light source can be that the AC LED that need not external driving also can be the LED that is directly driven by DC voltage.When adopting alternating current LED light source, described led light source need not driver.
According to the present invention, described liquid-cooled light distribution hollow type LED lamp.The lampshade of LED lamp and hollow radiator can according to art and aesthstic needs carry out special structure and appearance design is handled.
According to the present invention, described liquid-cooled light distribution hollow type LED lamp.Described led light source can make LED and radiator liquid isolate by the mode of vacuum coating.
Description of drawings
The present invention will be further described below in conjunction with accompanying drawing, but embodiments of the present invention are not limited thereto.
Fig. 1 is the equal proportion schematic diagram of a kind of LED lighting device of prior art
Fig. 2 is a kind of liquid-cooling LED lighting device schematic diagram of prior art
Fig. 3 is a first embodiment of the invention hollow type liquid-cooling LED schematic diagram.
Fig. 4 is a second embodiment of the invention hollow type liquid-cooling LED schematic diagram.
Fig. 5 is a third embodiment of the invention hollow type liquid-cooling LED schematic diagram.
Fig. 6 is a fourth embodiment of the invention hollow type liquid-cooling LED schematic diagram.
Fig. 7 is a fifth embodiment of the invention hollow type liquid-cooling LED schematic diagram.
Fig. 8 is a sixth embodiment of the invention hollow type liquid-cooling LED schematic diagram.
Fig. 9 is a seventh embodiment of the invention hollow type liquid-cooling LED schematic diagram.
Figure 10 is an eighth embodiment of the invention hollow type liquid-cooling LED schematic diagram.
Figure 11 is a ninth embodiment of the invention hollow type liquid-cooling LED schematic diagram.
Figure 12 is a tenth embodiment of the invention hollow type liquid-cooling LED schematic diagram.
Specific embodiments
The first embodiment of the present invention as shown in Figure 3.The embodiment of the invention provides liquid-cooled light distribution hollow type LED lamp, comprises electric connector 1, led driver 2, lamp socket 4, hollow radiator 6, led light source 8, luminous intensity distribution lampshade 9, LED connecting line 12.The inside that described electric connector 1 is arranged at LED lamp lamp holder connects civil power, its input with led driver 2 is connected, be filled with high-performance heat conduction luminous intensity distribution liquid 5 in the cavity 11 between described hollow radiator 6 and the luminous intensity distribution lampshade, described led driver 2 is arranged in the built-in hollow chamber 10 of hollow radiator 6 formation, and described led light source 8 is arranged on the hollow radiator 6.The connecting line 12 of led light source 8 links to each other with led driver 2 in the hollow chamber 10 of bottom, and this scheme can be avoided contacting of LED connecting line and luminous intensity distribution radiator liquid effectively, makes the selection of luminous intensity distribution radiator liquid more economical and efficient.
The described lamp socket 4 of the embodiment of the invention is a contact pin type or spiral.
The described hollow radiator 6 of the embodiment of the invention is the bottom opening shape, is connected with luminous intensity distribution lampshade 9 by seal washer or glue.Hollow radiator 6 is made by metal, alloy, plastics, glass, quartz or other light environment protection materials.The luminous intensity distribution design can be carried out according to the luminous intensity distribution needs in its surface, as: polishing, reflection shield, printing opacity prism, reflecting coating, rear reflector etc. help strengthening the technology or the special construction of light distribution effect.Hollow heat radiation lampshade can have and commercial criterion bulb similar shapes.Should be appreciated that in the scope of the invention, almost can simulate or simulate basically the shape of any bulb, and hollow radiator 6 can be configured to Any shape and still falling within the scope of the present invention.
For example, different embodiment according to the subject invention, hollow radiator 6 and luminous intensity distribution lampshade can be configured to be convenient to different shape and the size that heat energy dissipates, as the surface area by increase hollow radiator 6 and luminous intensity distribution lampshade 9.
The described heat conduction luminous intensity distribution of embodiment of the invention liquid 5 is for having slowly and the suitably fluent material of stability of suitable high-termal conductivity, strong mobile, performance, dissipates from the heat of other elements of LED lighting device.For example, water, conduction oil, salt solution, ethylene glycol solution, macromolecule bismethane saturated solution etc.When selecting heat-conducting liquid, following factors must take in: the thermal heat transfer capability of heat-conducting liquid; The freezing point of heat-conducting liquid and viscosity; Heat-conducting liquid boiling point and decomposition temperature; Heat-conducting liquid corrosivity; The combustibility of heat-conducting liquid, toxicity, expense etc.Heat-conducting liquid can be conducting liquid or non-electrically conductive liquid.
The described led light source 8 of the embodiment of the invention is connected with the intimate of heat conductive insulating adhesive plaster with hollow radiator 6 tops by the heat conductive insulating film, hollow radiator 6 bottom periphery closely are connected with the luminous intensity distribution lampshade bottom, the outer surface of hollow radiator 6 contacts with heat-conducting liquid 5, realizes the conduction heat by conduction and convection current.
The described led light source of the embodiment of the invention places in the luminous intensity distribution lampshade 9 simultaneously, the hemispherical body of hollow or other shapes that described luminous intensity distribution lampshade 9 can be an end opening, its size and hollow radiator 6 sizes and the designed size of liquid-cooled light distribution hollow type LED lamp lamp holder adapt and get final product.Luminous intensity distribution lampshade 9 adopts transparent material to be made, and processing such as glass or PMMA etc., sandblasted, dust in the surface, lens reach different illumination effects as required.Can also realize the demand of different light intensity and illuminating area by the surface curvature of adjusting lampshade.
The described LED lamp driver 2 of the embodiment of the invention is a Switching Power Supply, and it can connect the civil power use also can directly connect dc source.
The second embodiment of the present invention as shown in Figure 4.The embodiment of the invention provides a kind of liquid-cooled light distribution hollow type LED lamp, comprises electric connector 1, led driver 2, lamp socket 4, hollow radiator 6, heat-radiating substrate 7, led light source 8, luminous intensity distribution lampshade 9, LED connecting line 12.The inside that described electric connector 1 of the present invention is arranged at LED lamp lamp holder connects civil power, its input with led driver 2 is connected, described hollow radiator 6 is made up of the transparent material of integral type with luminous intensity distribution lampshade 9, as: acrylic, glass, quartz, transparent high molecule nano material.Led light source 8 is closed in the heat radiation lampshade of the integral type of being made up of lampshade 9 and hollow radiator 6 with its heat-radiating aluminum plate 7.This structure can effectively solve the sealing difficult problem of heat radiation luminous intensity distribution liquid, and incorporate structure can make the structural design of LED comparatively simple simultaneously.Described lamp socket 4 is a contact pin type or spiral.
Present embodiment is on the basis of first embodiment, increased a LED heat-radiating substrate 7, and, the shape of the shape of this LED aluminium base 7 and described hollow radiator 6 is basic identical, also can be the structure of strip and the outer surface that covers hollow radiator 6, all the other structures be identical with aforesaid first example.
The third embodiment of the present invention as shown in Figure 5, described liquid-cooled light distribution hollow type LED lamp comprises electric connector 1, led driver 2, lamp socket 4, hollow radiator 6, LED heat-radiating substrate 7, led light source 8, luminous intensity distribution lampshade 9 and LED connecting line 12.The LED aluminium base 7 of this design has and basic same body part of the shape of described hollow radiator 6 and top board 13, and described main part covers the outer surface of hollow radiator 6; Described LED aluminium base 7, hollow radiator 6 and lampshade 9 enclose becomes in the airtight cavity 11 high-performance radiator liquid 5 is housed, and this radiator liquid can conduct the heat on the LED substrate to heat by the mode of conduction with convection current.And by not filling radiator liquid in the cavity 14 that forms between top board 13 and lampshade 9 tops, thereby led light source 8 is not immersed in the radiator liquid, therefore can effectively avoid the risk of electrochemical reaction.Described led light source 8 is arranged on the hollow radiator 6.Radiator liquid can also can be granular nanometer and macromolecular material for transparent or opaque liquid.The closed cavity at the top of LED heat-radiating substrate also can be transparent non-metallic material.Led light source can be single or plurality of LEDs composition.
All the other structures of the described hollow type liquid-cooling LED of embodiment of the invention illuminating lamp are identical with aforesaid second example.
The fourth embodiment of the present invention as shown in Figure 6, the embodiment of the invention provides liquid-cooled light distribution hollow type LED lamp, comprises spiral electric connector 1, lamp socket 4, hollow radiator 6, alternating current LED light source 8, luminous intensity distribution lampshade 9.The led light source of this scheme is an AC LED, therefore need not driver.Described led light source 8 is arranged on the hollow radiator 6, and described hollow radiator 6 is the heat-radiating substrates that are packaged as a whole with alternating current LED light source 8.This hollow radiator 6 is formed the integrated radiating cavity with luminous intensity distribution lampshade 9.
The described electric connector 1 of the embodiment of the invention is spiral, and all the other structures are identical with aforesaid first example.
The fifth embodiment of the present invention as shown in Figure 7, the embodiment of the invention provides liquid-cooled light distribution hollow type LED lamp, electric connector 1, lamp socket 4, hollow radiator 6, LED heat-radiating substrate 7, alternating current LED light source 8, luminous intensity distribution lampshade 9.Described alternating current LED light source 8 is arranged on the hollow radiator 6, and described hollow radiator 6 is formed the integrated radiating cavity with luminous intensity distribution lampshade 9.Alternating current LED light source 8 and LED heat-radiating substrate 7 are encapsulated in the heat-dissipating cavity inside of integral type, and the sealing problem of electrochemical reaction and luminous intensity distribution radiator liquid can be effectively avoided in this design.
All the other structures of the described hollow type liquid-cooling LED of embodiment of the invention illuminating lamp are identical with aforesaid second example.
The sixth embodiment of the present invention as shown in Figure 8, the embodiment of the invention provides liquid-cooled light distribution hollow type LED lamp, electric connector 1, led driver 2, lamp socket 4, hollow radiator 6, led light source 8, luminous intensity distribution lampshade 9, LED connecting line 12.The hollow radiator 6 of this design is formed in the airtight heat-dissipating cavity with luminous intensity distribution lampshade 9 high-performance radiator liquid 5 is housed, and this radiator liquid 5 can conduct the heat on the LED substrate 7 to heat by the mode of conduction with convection current.Led light source 8 is not immersed in the radiator liquid, therefore can effectively avoid the risk of electrochemical reaction.Described led light source 8 is arranged on the hollow radiator 6, and described hollow radiator 6 is the heat-radiating substrates that are packaged as a whole with led light source 8.Radiator liquid can be transparent or opaque liquid, also can be granular nanometer and macromolecular material.The top board 13 of LED heat-radiating substrate 6 also can be transparent non-metallic material.Led light source can be single or plurality of LEDs composition.
The described led light source 8 of the embodiment of the invention is fixed on the hollow radiator 6, and hollow radiator 6 can be the LED heat-radiating substrate that is packaged as a whole with led light source, also can be hollow radiator independently.
The top board 13 of hollow radiator 6 is formed the cavity 14 that seals with luminous intensity distribution lampshade 9, can avoid led light source like this and contact with the direct of radiator liquid, thereby effectively avoid electrochemical reaction.
The described led driver 2 of the embodiment of the invention places in the built-in hollow chamber 10 of hollow radiator 6, links to each other with electric connector 1 by LED connecting line 12.
All the other structures of the described hollow type liquid-cooling LED of embodiment of the invention illuminating lamp are identical with aforesaid the 3rd example.
With reference to Fig. 9, the seventh embodiment of the present invention is on the basis of Fig. 4 embodiment, LED heat-radiating substrate 7 is designed to plain film shape structure, and covers on the outer surface of cupular part of hollow radiator 6.All the other structures are identical with Fig. 4 embodiment.
With reference to Figure 10, the eighth embodiment of the present invention is on the basis of Fig. 7 embodiment, LED heat-radiating substrate 7 is designed to plain film shape structure, and covers on the outer surface of cupular part of hollow radiator 6.All the other structures are identical with Fig. 7 embodiment.
With reference to Figure 11, the ninth embodiment of the present invention is that heat radiation lampshade 9 and hollow radiator 6 are made an obturator.Led light source 8 is fixed on the hollow heat-dissipating cavity.The heat radiation lampshade is by the structure of screw thread and fluid sealant and the sealing of hollow radiator composition.All the other structures are identical with Fig. 5 embodiment.
With reference to Figure 12, the tenth embodiment of the present invention is on the basis of Fig. 3 embodiment, with led light source 8 and hollow radiator 6 make that sealing is spherical, the structure of column or other types.LED heat-radiating substrate 7 can and cover on the outer surface of cupular part of hollow radiator 6 for non-regular shape structure.Described led light source is a LED, great power LED, and emitting led array, described LED heat-radiating substrate can be ceramic substrate, aluminium base, FR4PCB or flexible PCB.All the other structures are identical with Fig. 3 embodiment.
The shape of the plug of the liquid-cooled light distribution hollow type LED cap part that the embodiment of the invention provides, the hollow radiator of LED lamp, LED lampshade, LED lamp socket can have a lot of selections according to different application situation and requirement.Various variation on form and the details all falls in the protection domain of this patent.
Main application of the present invention is used for the LED lamp of the various power grades of indoor or outdoors of family, office and public place, both be applicable to lower powered room lighting, also be applicable to outdoor high-power LED illumination occasion, as LED street lamp, Tunnel Lamp, shot-light, advertising lamp etc.Both environmental and durable, neatly generous again, give comfortable and beautiful sensation, it has compact conformation, rationally distributed, perfect heat-dissipating, low, the lightweight characteristics of cost.Its moulding fineness has advantages such as energy-conservation, efficient, environmental protection, health, and main body is with manufacturings such as high-quality light plastic, glass, quartz, metal, alloys.
At last, it is also to be noted that what more than enumerate only is specific embodiments of the invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought the protection domain of inventing.
What should be understood that is: the foregoing description is just to explanation of the present invention, rather than limitation of the present invention, and any innovation and creation that do not exceed in the connotation scope of the present invention all fall within protection scope of the present invention.
Claims (10)
1, liquid-cooled light distribution hollow type LED lamp, comprise electric connector (1), led driver (2), lamp socket (4), led light source (8), lampshade (9) and hollow radiator (6), described lampshade (9) adopts the material of substantially transparent, it is characterized in that the outer surface and the interior part of the cavity (11) between the lampshade (9) of described hollow radiator (6) or all be filled with heat-conducting liquid (5), described electric connector (1) and led driver (2) are arranged in the built-in hollow chamber (10) of hollow radiator (6), and described led light source (8) directly or by LED substrate (7) is arranged on the described hollow radiator (6).
2, liquid-cooled light distribution hollow type LED lamp as claimed in claim 1 is characterized in that the hood configuration that described hollow radiator (6) is opened for the bottom, and the edge of its opening end (13) constitute closing structure with the bottom adhesive of described lampshade (9).
3, liquid-cooled light distribution hollow type LED lamp as claimed in claim 1 is characterized in that described heat-conducting liquid (5) has light distributing function.
4, liquid-cooled light distribution hollow type LED lamp as claimed in claim 1 is characterized in that described heat-conducting liquid (5) is wherein any such as water, conduction oil, salt solution, ethylene glycol solution or bismethane saturated solution.
5, liquid-cooled light distribution hollow type LED lamp as claimed in claim 1 is characterized in that described lampshade (9) adopts glass, PC, PMMA, quartz or macromolecule and nanometer transparent material.
6, liquid-cooled light distribution hollow type LED lamp as claimed in claim 1 is characterized in that described hollow radiator (6) made by metal, alloy, plastics, glass or quartz material etc.
7, liquid-cooled light distribution hollow type LED lamp as claimed in claim 1 is characterized in that the interior part of cavity that described hollow radiator and lampshade are formed or all is filled with heat radiation luminous intensity distribution liquid.
8, liquid-cooled light distribution hollow type LED lamp as claimed in claim 1, the hermetically-sealed construction that the lead terminal that it is characterized in that led light source is formed by its support and hollow radiator is connected with the driver in the hollow radiator, the leading-out terminal of LED does not directly contact with radiator liquid, can avoid contacting with the direct of radiator liquid.
9, liquid-cooled light distribution hollow type LED lamp as claimed in claim 1 is characterized in that described led light source is AC LED or direct-current LED, when light source is AC LED, need not external driver.
10, liquid-cooled light distribution hollow type LED lamp as claimed in claim 1 is characterized in that led light source isolates LED and radiator liquid by the mode of vacuum coating.
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| CN2009101016434A CN101649965B (en) | 2009-08-20 | 2009-08-20 | Liquid-cooled light distribution hollow type LED lamp |
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| CN2009101016434A CN101649965B (en) | 2009-08-20 | 2009-08-20 | Liquid-cooled light distribution hollow type LED lamp |
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| CN101649965A true CN101649965A (en) | 2010-02-17 |
| CN101649965B CN101649965B (en) | 2012-08-22 |
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