CN101067480A - LED illuminating device and lens support thereof - Google Patents
LED illuminating device and lens support thereof Download PDFInfo
- Publication number
- CN101067480A CN101067480A CNA2007100372269A CN200710037226A CN101067480A CN 101067480 A CN101067480 A CN 101067480A CN A2007100372269 A CNA2007100372269 A CN A2007100372269A CN 200710037226 A CN200710037226 A CN 200710037226A CN 101067480 A CN101067480 A CN 101067480A
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- led
- lens
- reflecting portion
- light
- lighting device
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- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
The invention discloses a LED illuminator including the shell, some LED and electric source device. The LED is in the shell and connected with the electric source. The every LED of the illuminator is installed with the lens device which is on the top of the LED and includes a lens frame and a lens. The lens frame includes a lens supporting part and a reflecting part which the surface are the undulant diffuse reflection face. The lens is supported by the lens supporting part; the reflecting part is near to the supporting part and around the LED. The invention also discloses a lens frame used in the LED illuminator.
Description
[technical field]
The present invention relates to the LED lighting technical field, or rather, relate to a kind of LED lighting device and lens carrier thereof with better illuminating effect.
[background technology]
LED has advantages such as environmental protection, energy-conservation, life-span be long and is regarded as the 21 century lighting source, but LED has specific lighting angle, can't be as conventional light source lighting angle big and even, so its application is subjected to certain restriction.Simultaneously, the directionality of LED illumination has influenced the outgoing uniformity of light of entire lighting device to a great extent, occurs the ring of light or blackening easily, thereby influences the illuminating effect of entire lighting device.
[summary of the invention]
Technical problem to be solved by this invention is to overcome above-mentioned defective, and a kind of LED lighting device and lens carrier thereof with better illuminating effect is provided.
The present invention is achieved by the following technical solutions: a kind of LED lighting device, comprise housing, some LED and supply unit, wherein, described LED is contained in the described housing, described LED and described supply unit electrically connect, the corresponding every LEDs of described LED lighting device also is respectively equipped with lens devices, described lens devices is arranged at described LED top and comprises a lens carrier and lens, described lens carrier comprises a lens support and a light-reflecting portion, the surface of described light-reflecting portion is contoured diffuse surface, described lens supports is in described lens support, and described light-reflecting portion is close to described lens support setting and centers on described LED.
The surface of described light-reflecting portion is formed with small pit, projection or the ripple of regular or irregular different shape.
Described small pit, projection or ripple regular or irregular different shape form one deck frosted layer.
Described light-reflecting portion surface is provided with one deck reflective membrane.
Described light-reflecting portion is the parabolic surface shape, and the lower central position of described light-reflecting portion is provided with a through hole.
The annular platform that described lens support is provided with by light-reflecting portion upper end and the sidewall that forms is set surrounds and form by extending upward along this annular platform outside.
Described LED is the configuration of spirogyrate arc surfaced towards light direction in described housing.
The diapire of described housing is provided with a curved base, and described LED is close to this curved base surface by circuit board and installs, and makes the LED on the circuit board be the configuration of spirogyrate arc surfaced along the curved base surface.
Described curved base has at least one to be circular arc in two orthogonal cross sections.
The present invention also discloses a kind of lens carrier, it comprises a lens support and a light-reflecting portion, the surface of described light-reflecting portion is contoured diffuse surface, described light-reflecting portion is close to described lens support setting, the surface of described light-reflecting portion is formed with small pit, projection or the ripple of regular or irregular different shape, described small pit, projection or ripple regular or irregular different shape form one deck frosted layer, and described light-reflecting portion surface is provided with one deck reflective membrane.
Compared with prior art, the present invention is by improving lens carrier, on lens carrier, form a light-reflecting portion, the light that makes lens carrier send LED in support of lens carries out optical treatment, and because the surface of described light-reflecting portion inwall is contoured diffuse surface, the light that makes the LED lighting device irradiate is more even, has reduced the possibility that the ring of light or blackening occur to a certain extent, thereby has improved the illuminating effect of LED lighting device effectively.
[description of drawings]
Fig. 1 is the three-dimensional exploded view of LED lighting device of the present invention.
Fig. 2 is the three-dimensional exploded view of LED lens devices in the LED lighting device of the present invention.
Fig. 3 is the stereogram of reflex reflector in the LED lighting device of the present invention.
[specific embodiment]
See also shown in Figure 1, the LED lighting device 8 that present embodiment disclosed comprises housing 1, circuit board 2, LED and lens devices 3 thereof, reflex reflector 4, sealing ring 5, light-emitting plate 6 and supply unit (not shown), wherein, described LED and lens devices 3 thereof are contained in the described housing 1, described light-emitting plate 6 is fixed on the housing 1 and with described LED and lens devices 3 thereof and encloses in this housing 1, described LED (not shown) is spirogyrate arc surfaced configuration towards light-emitting plate 6 directions in described housing 1, the central angle scope of described spirogyrate cambered surface is 10 to spend to 100 degree.
Described housing 1 is made by the good material of heat conductivility (such as, aluminium), and this housing 1 comprises a diapire 10, four sidewalls 11 and surrounds the receiving space 12 that forms by diapire 10 and sidewall 11.Described diapire 10 mediads protrude the curved base 110 that formation one is used to support described circuit board 2 outward, and 110 two orthogonal cross sections of this curved base all are evagination circular arc, and the radius of evagination circular arc can be designed to different values according to actual needs.Certainly curved base 110 also can be designed to other shapes, is evagination circular arc as curved base 110 towards the cross section of light-emitting plate 6, and in the cross section of another vertical with it direction shape linearly.In addition, also be provided with a support 13, some fin 14 on the described housing 1, described support 13 is mainly used in support fixation housing 1, it links to each other with housing 1 by screw 15, on support 13, also be provided with the locating hole 130 that is used for fixing LED lighting device 8, LED lighting device 8 be fixed on third party's object so that pass locating hole with screw etc. when using.
Described circuit board 2 is for flexible PCB and have good heat-conducting, and it is made up of some strip circuit boards 21, and LED and lens devices 3 thereof evenly are installed on the strip circuit board 21, and quantity and the packing density of LED are set according to actual needs.LED can serial or parallel connection or both be connected, after preferably the LED on each strip circuit board 21 is connected in series mutually again with adjacent strip circuit board 21 on LED be connected in parallel.Certainly foregoing circuit plate 2 also can be formed or be made up of a lot of fritter circuit boards by a monoblock circuit board.Described lens devices can certainly be that other class beam condensing units such as prefocus cup replace.
See also shown in Figure 2, described LED and lens devices 3 thereof comprise LED and the lens devices 30 that is used with this LED, described lens devices 30 is used to assemble the light that LED sends, described lens devices 30 comprises lens 300 and supports the lens carrier 301 of these lens 300, described lens 300 comprise a lens body portion 3000 and holding part 3001, described lens carrier 301 is provided with a light-reflecting portion 3010, this light-reflecting portion 3010 roughly is the parabolic surface shape, the surface of described light-reflecting portion 3010 is contoured diffuse surface, such as the small pit that on the inner surface of described light-reflecting portion 3010, is formed with regular or irregular different shape, projection or ripple, such as forming one deck frosted layer (not drawing among the figure), described in addition light-reflecting portion 3010 surfaces are provided with one deck reflective membrane; Be provided with a through hole 3011 in the lower central position of this light-reflecting portion 3010, so that described LED passes; Be provided with an annular platform 3012 in described light-reflecting portion 3010 upper ends and the supporting side walls 3013 that forms be set by extending upward along annular platform 3012 outsides, described annular platform 3012 surrounds with supporting side walls 3013 and forms a lens support (not label), and also is provided with some latch part 3014 that are used for fixing described lens 300 on described supporting side walls 3013; When described lens 300 were fixed in described lens carrier 301, described holding part 3001 lower surfaces were supported on the described lens support, and described latch part 3014 interlocks with described holding part 3001 upper surfaces and holds.
See also shown in Figure 3, described reflex reflector 4 is provided with one and is the diapire 40 of spirogyrate arc surfaced and extends four sidewalls 41 that are provided with by diapire 40 convex direction outside diapire 40, described spirogyrate arc surfaced diapire 40 is provided with some holes 400, the inwall 42 of described reflex reflector 4 (comprising diapire 40 and sidewall 41) surface is provided with one deck reflective membrane, and the surface of described reflex reflector inwall 42 is contoured diffuse surface, such as (not the drawing among the figure) such as pit, projection or ripples that be formed with rule or irregular different shape on the surface.
Light-emitting plate 6 is a light-permeable plate, and it can also can be common plate glass for playing the lens of convergence or disperse function.
During assembling, at first LED and lens devices 3 thereof are fixed on the circuit board 2, circuit board 2 is fixed on the described curved base 110 then, making described LED and lens devices 3 thereof be the evagination arc surfaced is disposed in the described housing 1, again described reflex reflector 4 is installed on the housing 1, the diapire 40 of the spirogyrate arc surfaced of reflex reflector 4 is cooperated with described curved base 110, and make described LED and lens devices 3 thereof pass the corresponding hole 400 that is provided with on the diapire 40 of spirogyrate arc surfaced, at last light-emitting plate 6 is installed on the housing 1 by modes such as screw connections, with circuit board 2, LED and lens devices 3 thereof and reflex reflector 4 are closed in the housing 1.For better waterproof, a waterproof grommet 5 is installed also between light-emitting plate 6 and housing 1.
More than describing is embodiments of the invention only, forgives and can understand, and under the prerequisite that does not depart from the present invention's design, all should be included within the technical conceive of the present invention simple modification of the present invention and replacement.
Claims (13)
1. LED lighting device, comprise housing, some LED and supply unit, wherein, described LED is contained in the described housing and with described supply unit and electrically connects, every LEDs of described LED lighting device also is respectively equipped with lens devices, described lens devices is arranged at described LED top and comprises a lens carrier and lens, it is characterized in that: described lens carrier comprises a lens support and a light-reflecting portion, the surface of described light-reflecting portion is contoured diffuse surface, described lens supports is in described lens support, and described light-reflecting portion is close to described lens support setting and centers on described LED.
2. LED lighting device as claimed in claim 1 is characterized in that: the surface of described light-reflecting portion is formed with small pit, projection or the ripple of regular or irregular different shape.
3. LED lighting device as claimed in claim 2 is characterized in that: described small pit, projection or ripple regular or irregular different shape form one deck frosted layer.
4. LED lighting device as claimed in claim 1 is characterized in that: described light-reflecting portion surface is provided with one deck reflective membrane.
5. LED lighting device as claimed in claim 1 is characterized in that: described light-reflecting portion is the parabolic surface shape, and the lower central position of described light-reflecting portion is provided with a through hole.
6. LED lighting device as claimed in claim 1 is characterized in that: the annular platform that described lens support is provided with by light-reflecting portion upper end and the sidewall that forms is set surrounds and form by extending upward along this annular platform outside.
7. as each described LED lighting device among the claim 1-6, it is characterized in that: described LED is the configuration of spirogyrate arc surfaced towards light direction in described housing.
8. LED lighting device as claimed in claim 7, it is characterized in that: the diapire of described housing is provided with a curved base, described LED is close to this curved base surface by circuit board and installs, and makes the LED on the circuit board be the configuration of spirogyrate arc surfaced along the curved base surface.
9. LED lighting device as claimed in claim 7 is characterized in that: described curved base has at least one to be circular arc in two orthogonal cross sections.
10. lens carrier, it is characterized in that: comprise a lens support and a light-reflecting portion, the surface of described light-reflecting portion is contoured diffuse surface, and described light-reflecting portion is close to described lens support setting.
11. lens carrier as claimed in claim 10 is characterized in that: the surface of described light-reflecting portion is formed with small pit, projection or the ripple of regular or irregular different shape.
12. lens carrier as claimed in claim 11 is characterized in that: described small pit, projection or ripple regular or irregular different shape form one deck frosted layer.
13. lens carrier as claimed in claim 12 is characterized in that: described light-reflecting portion surface is provided with one deck reflective membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100372269A CN101067480A (en) | 2007-02-06 | 2007-02-06 | LED illuminating device and lens support thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100372269A CN101067480A (en) | 2007-02-06 | 2007-02-06 | LED illuminating device and lens support thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101067480A true CN101067480A (en) | 2007-11-07 |
Family
ID=38880112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100372269A Pending CN101067480A (en) | 2007-02-06 | 2007-02-06 | LED illuminating device and lens support thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101067480A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013177721A1 (en) * | 2012-05-30 | 2013-12-05 | Liu Jiang | Lens support frame |
-
2007
- 2007-02-06 CN CNA2007100372269A patent/CN101067480A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013177721A1 (en) * | 2012-05-30 | 2013-12-05 | Liu Jiang | Lens support frame |
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Open date: 20071107 |