CN202091814U - LED lamp - Google Patents
LED lamp Download PDFInfo
- Publication number
- CN202091814U CN202091814U CN2011200257192U CN201120025719U CN202091814U CN 202091814 U CN202091814 U CN 202091814U CN 2011200257192 U CN2011200257192 U CN 2011200257192U CN 201120025719 U CN201120025719 U CN 201120025719U CN 202091814 U CN202091814 U CN 202091814U
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- Prior art keywords
- led light
- heat
- light fixture
- dissipating body
- ceramic heat
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Abstract
The LED lamp provided in the utility model belongs to the illumination field, including a ceramic radiator. One end of the ceramic radiator is connected to a lamp holder, and the other end is fixedly provided with a light guide lampshade; the space formed by the light guide lampshade and the ceramic radiator is provided with a substrate loaded with an LED light source at the right side; the back surface of the substrate is connected with the ceramic radiator; and the interior of the ceramic radiator is provided with a through hole passing through two ends of the ceramic radiator. In the utility model, the ceramic radiator is the heat radiation tool of the LED lamp, and compared to the traditional metal heat radiation layer, the ceramic radiator possesses excellent heat conduction performance; in additional, a through hole is provided in the ceramic radiator, the heat radiation area is further increased, heat generated by the LED light source is conducted out timely, and the temperature of the LED light source is rapidly reduced; the LED light decay is reduced; and the usage life of the lamp is prolonged.
Description
Technical field
The utility model belongs to lighting field, relates in particular to a kind of LED light fixture.
Background technology
At lighting field, led light source has advantages such as energy-saving and environmental protection, the life-span is long, volume is little as novel green energy resource at present, by the fields such as demonstration, illumination that are applied to more and more widely.High light efficiency, high brightness, integrated be the developing direction of following LED lighting engineering, but, because the heat radiation difficult problem of led light source has limited it to more high-power development, even some LED product can be accomplished very big power, but because its heat dispersion is not good, cause shorten its service life, lack the market competitiveness.At present, the radiator that the LED light fixture is used generally uses metal material manufacturings such as copper, aluminium or albronze, but copper, aluminium or albronze are lower to the efficient of air heat conduction, the contact area of this radiator and air must be made enough big, increased material cost so again, simultaneously, because copper, aluminium or albronze easy-formation not, manufacture craft is more complicated also.Therefore, the heat dissipation problem of LED light fixture does not also obtain adequate solution.
The utility model content
The purpose of this utility model is to provide a kind of LED light fixture, is intended to solve the bad problem of existing LED light fixture heat radiation.
The utility model is achieved in that a kind of LED light fixture, and described light fixture comprises the ceramic heat-dissipating body, and an end of described ceramic heat-dissipating body is connected with lamp holder, and the other end is fixed with the leaded light lampshade;
Be provided with the substrate that the front is loaded with led light source in the space of described leaded light lampshade and ceramic heat-dissipating body composition, the back side of described substrate is connected with described ceramic heat-dissipating body;
The inside of described ceramic heat-dissipating body offers the through hole that runs through between its two ends.
As optimal technical scheme of the present utility model:
Described ceramic heat-dissipating surface offers some radiating grooves along the axis direction of through hole.
The axis direction of described through hole is parallel with the axis direction of described ceramic heat-dissipating body or intersect.
Described LED light fixture also comprises heat-conducting layer, and an end of described heat-conducting layer and an end of described ceramic heat-dissipating body are fitted, and the other end is connected with described lamp holder.
Described leaded light lampshade is cylindrical or turbination.
The exiting surface of described leaded light lampshade is provided with one or more cavitys that are inverted cone-shaped.
The exiting surface of described cavity is provided with concave-convex micro-structure.
The opening part of described cavity is provided with lens.
The outside of described leaded light lampshade is provided with it is enclosed in interior lamp housing.
Described leaded light lampshade and lamp housing are one-body molded.
The utility model adopts the heat radiation instrument of ceramic heat-dissipating body as the LED light fixture, has good heat conductivility, and, inside at the ceramic heat-dissipating body offers through hole, further increased area of dissipation, the heat that makes led light source produce can be conducted timely, reduces the temperature of led light source fast, reduce the light decay of LED, prolonged the service life of light fixture.And the ceramic heat-dissipating body is than the easy machine-shaping of traditional metallic radiating layer, and cost is lower.
Description of drawings
Fig. 1,2, the 3rd, the structural representation () of the LED light fixture that the utility model first embodiment provides, (two), (three);
Fig. 4, the 5th, the sectional structure schematic diagram () of the ceramic heat-dissipating body that the utility model first embodiment provides, (two);
Fig. 6 is the plan structure schematic diagram of the radiator that provides of the utility model second embodiment;
Fig. 7 is the structural representation of the LED light fixture that provides of the utility model the 3rd embodiment;
Fig. 8,9, the 10th, the perspective view () of the radiator that the utility model the 3rd embodiment provides, (two), (three);
Figure 11 is the index path of the light that provides of the utility model the 5th embodiment by the leaded light lampshade.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides a kind of LED light fixture, comprises the ceramic heat-dissipating body, and an end of ceramic heat-dissipating body is connected with lamp holder, and the other end is fixed with the leaded light lampshade; Be provided with the substrate that the front is loaded with led light source in the space of leaded light lampshade and ceramic heat-dissipating body composition, the back side of substrate is connected with the ceramic heat-dissipating body; The inside of ceramic heat-dissipating body offers the through hole that runs through between its two ends.
The utility model adopts the heat radiation instrument of ceramic heat-dissipating body as the LED light fixture, has good heat conductivility, and, inside at the ceramic heat-dissipating body offers through hole, further increased area of dissipation, the heat that makes led light source produce can be conducted timely, reduces the temperature of led light source fast, reduce the light decay of LED, prolonged the service life of light fixture.And the ceramic heat-dissipating body is than the easy machine-shaping of traditional metallic radiating layer, and cost is lower.
Below in conjunction with specific embodiment specific implementation of the present utility model is described in detail:
Embodiment one:
Fig. 1,2,3 shows structural representation (), (two), (three) of the LED light fixture that the utility model first embodiment provides, and for convenience of explanation, only shows the part relevant with present embodiment.
This LED light fixture comprises lamp holder 1 and the ceramic heat-dissipating body 2 that is connected with lamp holder 1, upper surface at ceramic heat-dissipating body 2 is provided with substrate 3, and the front of substrate 3 is loaded with several led light sources that is electrically connected with it 4, and substrate 3 is electrically connected with lamp holder 1 again, for led light source 4 power supplies, make it luminous.Outside at substrate 3 and led light source 4 is provided with leaded light lampshade 5, and this leaded light lampshade 5 is fixedly arranged on the ceramic heat-dissipating body 2.The heat that led light source 4 produces in luminescence process distributes through ceramic heat-dissipating body 2, and this ceramic heat-dissipating body 2 has good heat conductivility, can reduce the temperature of light source fast.And the inside of ceramic heat-dissipating body 2 also offers the through hole 21 that runs through between the heat dissipating layer upper/lower terminal, because the existence of through hole makes area of dissipation further increase, the heat that led light source 4 produces can be accelerated conduction, is distributed.
Present embodiment adopts the heat radiation instrument of ceramic heat-dissipating body as the LED light fixture, has better heat conductivility, and, the inside of heat dissipating layer also offers some through holes, increased area of dissipation, the heat that the ceramic heat-dissipating body of this structure makes led light source produce can distribute fast, has effectively reduced the light decay of led light source, has prolonged the service life of LED light fixture.
In the present embodiment, the trend of through hole 21 can be parallel with the axis direction of ceramic heat-dissipating body, as Fig. 4.Also can be axis direction inclination, as Fig. 5 with respect to the ceramic heat-dissipating body.
In the present embodiment, the shape of through hole 21 can be rules or irregularly shaped such as circle, rectangle, polygon, also can comprise multiple shape simultaneously.
As a kind of preferred implementation of present embodiment, the trend of through hole 21 is parallel with the axis of ceramic heat-dissipating body 2, to quicken the light fixture heat radiation.
In the present embodiment, it is that the ceramic material of matrix is made that ceramic heat-dissipating body 2 can adopt with oxide, nitride or carbide, its good heat dispersion performance, and with low cost.
In the present embodiment, the upper surface of ceramic heat-dissipating body 2 can be an even curface, also can be provided with groove, is used to place the substrate 3 that is loaded with led light source.Can also can snap in groove by the good binding agent close proximity of thermal conductivity between this substrate 3 and the ceramic heat-dissipating body 2.
In the present embodiment, lamp holder 1 can be the screw socket structure, also can be bayonet arrangement.
In the present embodiment, leaded light lampshade 5 can be transparent glass, thin pottery or light-passing plastic.
In the present embodiment, the outside of leaded light lampshade 5 can also be provided with lamp housing 6, and this lamp housing can play the dustproof effect in leaded light lampshade 5 is enclosed in.Lamp housing 6 can be one-body molded with leaded light lampshade 5, as Fig. 1,2; Also can make respectively and separate setting, as Fig. 3.The shape of lamp housing can be sphere, also can be rectangle or other shapes, specifically determines according to actual needs.
Embodiment two:
Fig. 6 shows the plan structure schematic diagram of the ceramic heat-dissipating body that the utility model second embodiment provides, and for convenience of explanation, only shows the part relevant with present embodiment.
In the present embodiment, in order further to improve the radiating effect of light fixture, heat radiation groove 22 can also be set at the outer surface of ceramic heat-dissipating body 2, can further increase the area of dissipation of ceramic heat-dissipating body like this, accelerate heat and distribute, prolong the service life of LED light fixture.
Embodiment three:
Fig. 7 shows the structural representation of the LED light fixture that the utility model the 3rd embodiment provides, and for convenience of explanation, only shows the part relevant with present embodiment.
In the present embodiment, in order further to accelerate the heat radiation of LED light fixture, this light fixture also comprises a heat-conducting layer 7, and this heat-conducting layer is arranged between ceramic heat-dissipating body 2 and the lamp holder 1, and an end and lamp holder 1 flexibly connect, and the other end and ceramic heat-dissipating body 2 are fitted.The heat that led light source 4 produces conducts to heat-conducting layer 7 through ceramic heat-dissipating body 2, and heat-conducting layer is distributed to heat in the air by coupled lamp holder 1, simultaneously also can be by distributing the part heat with side that air directly contacts.
In the present embodiment, heat-conducting layer can be by copper, aluminium, or heat conductivility good metal such as albronze is made.
In the present embodiment, heat-conducting layer can be identical with the shape of ceramic heat-dissipating body, and the two can form a radiator, and its profile can be cylindrical (as Fig. 8), prismatic (as Fig. 9) or hemispherical (as Figure 10), but is not limited to above-mentioned three kinds of shapes.
Embodiment four:
In the present embodiment, in order further to quicken the heat radiation of LED light fixture, can on lamp holder 1, radiating groove be set.Concrete, this radiating groove can be through lamp holder 1 inside, can make the lower surface and the extraneous heat dissipation channel that communicates of ceramic heat-dissipating body 2 or heat-conducting layer 7, takes away heat by the circulation of air in passage.
This radiating groove can also be the grooved radiating surface that is arranged at the lamp holder outer surface, and the increase by area of dissipation comes distributing of accelerated heat.
Embodiment five:
Further combined with accompanying drawing 1,2,3, in the present embodiment,, cavity 51 can be set on the exiting surface of leaded light lampshade 5 in order to realize throwing light on a large scale.Index path shown in 11 in conjunction with the accompanying drawings, light is injected through the plane of incidence of leaded light lampshade 5, penetrate through exit facet, in the outgoing process of light, part light can be through cavity 51 and extraneous contact-making surface ejaculation, make the angle of emergence of light increase, and then enlarged the range of exposures of light, the light angle of emergence has as shown in figure 11 increased to β by α.Another part light is in pocket surfaces generation total reflection, and the light that reflects through the direction of propagation of several times reflection change light, finally penetrates through groove or other positions again, has enlarged range of exposures equally.
In the present embodiment, the plane of incidence of leaded light lampshade 5 can be provided with depressed area 52, as Fig. 1,2.The edge of this depressed area is connected with the upper surface of ceramic heat-dissipating body 2, realizes the fixing of leaded light lampshade.Simultaneously, suitable space has also been reserved for led light source 4 in depressed area 52.
In the present embodiment, depressed area 52 is specifically as follows the U type, and its upper surface is a planar structure, enters the uniformity of the light of leaded light lampshade with assurance.
Embodiment six:
Further combined with accompanying drawing 2, in the present embodiment, more evenly and further enlarge exiting surface in order to make emergent ray, concave-convex micro-structure 53 can be set on the surface of cavity 51, this concave-convex micro-structure can be gathered to arrange and form by some microstructure units.Rule or erose structures such as the rectangle that this microstructure unit can be made up of structures such as small sags and crests, concavo-convex line or male and fomale(M﹠F)s, circle, ellipse, star.This microstructure unit also can be the curve shape that seals or do not seal.By shape, size, density and the arrangement mode that microstructure unit rationally is set, can effectively improve the uniformity of emergent ray, and further enlarge the light angle of emergence, help realizing on a large scale evenly illumination.
Embodiment seven:
Further combined with accompanying drawing 2, in the present embodiment, opening part that can described in the aforementioned embodiment cavity 51 is provided with lens 8, penetrates lamp housing 6 again after making the light that penetrate through cavity 51 surfaces pass lens 8, and these lens can be concavees lens, convex lens or planar lens.Adopt further divergent beams of concavees lens, and then enlarge range of exposures; Adopt convex lens or planar lens then can adjust illuminating effect according to actual needs.
Embodiment eight:
Further combined with accompanying drawing 7, in the present embodiment, can be connected by conductor cable 9 between substrate 3 and the lamp holder 1, for security and the reliability that improves lighting device, one fuse 91 can also be set on conductor cable 9, when short circuit appearred in circuit, fuse 91 can fuse automatically, in order to avoid cause the accident.
The utility model is with the heat radiation instrument of ceramic heat-dissipating body as the LED light fixture, has good heat conductivility, and, inside at the ceramic heat-dissipating body offers through hole, further increased area of dissipation, the heat that makes led light source produce can be conducted timely, reduces the temperature of led light source fast, reduce the light decay of LED, prolonged the service life of light fixture.And the ceramic heat-dissipating body is than the easy machine-shaping of traditional metallic radiating layer, and cost is lower.Above led light source, be provided with the leaded light lampshade of groove, increased the angle of emergence of light, enlarged the range of exposures of LED lamp, make it to be applied to more occasions.Outer surface at the ceramic heat-dissipating body is provided with the heat radiation groove, can further increase the area of dissipation of ceramic heat-dissipating body, accelerates heat and distributes.On the exit facet of leaded light lampshade, concave-convex micro-structure is set, can improves the uniformity of light, and further enlarge illumination range.This LED lamp can be used for illumination as light source separately, and the illuminating part that also can be used as other lighting apparatus uses.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a LED light fixture is characterized in that, described light fixture comprises the ceramic heat-dissipating body, and an end of described ceramic heat-dissipating body is connected with lamp holder, and the other end is fixed with the leaded light lampshade;
Be provided with the substrate that the front is loaded with led light source in the space of described leaded light lampshade and ceramic heat-dissipating body composition, the back side of described substrate is connected with described ceramic heat-dissipating body;
The inside of described ceramic heat-dissipating body offers the through hole that runs through between its two ends.
2. LED light fixture as claimed in claim 1 is characterized in that, described ceramic heat-dissipating surface offers some heat radiation grooves along the axis direction of through hole.
3. LED light fixture as claimed in claim 1 is characterized in that, the axis direction of described through hole is parallel with the axis direction of described ceramic heat-dissipating body or intersect.
4. LED light fixture as claimed in claim 1 is characterized in that, described LED light fixture also comprises heat-conducting layer, and an end of described heat-conducting layer and an end of described ceramic heat-dissipating body are fitted, and the other end is connected with described lamp holder.
5. as each described LED light fixture of claim 1 to 4, it is characterized in that described leaded light lampshade is cylindrical or turbination.
6. LED light fixture as claimed in claim 1 is characterized in that, the exiting surface of described leaded light lampshade is provided with one or more cavitys that are inverted cone-shaped.
7. LED light fixture as claimed in claim 6 is characterized in that the exiting surface of described cavity is provided with concave-convex micro-structure.
8. as claim 6 or 7 described LED light fixtures, it is characterized in that the opening part of described cavity is provided with lens.
9. LED light fixture as claimed in claim 1 is characterized in that, the outside of described leaded light lampshade is provided with it is enclosed in interior lamp housing.
10. LED light fixture as claimed in claim 9 is characterized in that, described leaded light lampshade and lamp housing are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200257192U CN202091814U (en) | 2011-01-26 | 2011-01-26 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200257192U CN202091814U (en) | 2011-01-26 | 2011-01-26 | LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202091814U true CN202091814U (en) | 2011-12-28 |
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ID=45366882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200257192U Expired - Fee Related CN202091814U (en) | 2011-01-26 | 2011-01-26 | LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202091814U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI465669B (en) * | 2012-03-01 | 2014-12-21 | Frontand Technology Corp | Heat sink, lamp structure with the heat sink and method for producing the heat sink |
| CN105546371A (en) * | 2016-01-26 | 2016-05-04 | 漳州立达信光电子科技有限公司 | Large-angle bulb shell structure |
| CN109595478A (en) * | 2019-01-28 | 2019-04-09 | 横店集团得邦照明股份有限公司 | A kind of LED energy conserving lamp and its implementation |
-
2011
- 2011-01-26 CN CN2011200257192U patent/CN202091814U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI465669B (en) * | 2012-03-01 | 2014-12-21 | Frontand Technology Corp | Heat sink, lamp structure with the heat sink and method for producing the heat sink |
| CN105546371A (en) * | 2016-01-26 | 2016-05-04 | 漳州立达信光电子科技有限公司 | Large-angle bulb shell structure |
| CN105546371B (en) * | 2016-01-26 | 2020-07-28 | 漳州立达信光电子科技有限公司 | Large-angle bulb shell structure |
| CN109595478A (en) * | 2019-01-28 | 2019-04-09 | 横店集团得邦照明股份有限公司 | A kind of LED energy conserving lamp and its implementation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20160126 |
|
| EXPY | Termination of patent right or utility model |