CN201561367U - Lens for LED light source - Google Patents
Lens for LED light source Download PDFInfo
- Publication number
- CN201561367U CN201561367U CN2009202197771U CN200920219777U CN201561367U CN 201561367 U CN201561367 U CN 201561367U CN 2009202197771 U CN2009202197771 U CN 2009202197771U CN 200920219777 U CN200920219777 U CN 200920219777U CN 201561367 U CN201561367 U CN 201561367U
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- CN
- China
- Prior art keywords
- led light
- light source
- convex surface
- printing opacity
- high printing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a lens for an LED light source, comprising a high light transmission lens main body, a first convex surface, a second convex surface and a bias LED light introduction part, wherein a back surface and a light emitting end are defined and formed on the high light transmission lens main body; the first convex surface and the second convex surface are formed at two positions separated by the light emitting end of the high light transmission lens main body integrally, an arc concave surface is relatively formed between the first convex surface and the second convex surface and used for connecting with the first convex surface and the second convex surface, and a first concave arc edge and a second concave arc edge with different concave radian depths are formed at two opposite sides of the arc concave surface; and the bias LED light introduction part is concavely arranged at the back of the high light transmission lens main body, and the position thereof is at the first arc edge corresponding to the space between the first convex surface and the second convex surface, and partial to the arc concave surface. The lens for the LED light source has the light projection effect with different pre-post proportion differences, can exert the maximum light use rate and achieves the practical progressive nature and better industrial economic benefit with favorable luminance uniformity, energy-saving performance, simple and convenient manufacture and assembly as well as manufacturing cost saving performance.
Description
Technical field
The utility model relates to a kind of optical lens; Be meant a kind of lens arrangement innovation kenel design that is applied to led light source especially.
Background technology
Compared to general conventional light source, light emitting diode (LED) can be widely used on the various lighting devices it owing to have the considerable energy saving savings advantage, and one of application that wherein attracts most attention provides the street lamp of road lighting exactly at night.
Because the photocurrent versus light intensity of street lamp can influence walking along the street person in the sight line at night, so national governments all formulate the illumination of street lamp and the uniformity thereof related specifications are arranged, with protection walking along the street person's walking along the street safety.
Yet, compared to conventional light source, the intrinsic divergence of beam angle of light emitting diode is less, when being applied to street lamp, the light that it sent is concentrated in the contiguous place of street lamp, and then cause street lamp can't provide the road evenly problem and the shortcoming of illumination away from locating and the contiguous excessive phenomenon of locating of differences of illumination intensities, causing.
Therefore, how to improve the LED street lamp,, provide road evenly and suit the illuminating ray of Practical Benefit, become relevant dealer's important technology problem to meet the requirement of above-mentioned relevant illumination standard away from the illuminance uniformity of locating with contiguous place.
So, at the existing problem of above-mentioned existing led light source structure, how to develop a kind of innovation structure that has more desirable practicality, be that relevant dealer must make great efforts to research and develop the target and the direction of breakthrough again.
The utility model content
For overcoming above-mentioned defective, the purpose of this utility model is to provide the led light source lens that a kind of illuminance uniformity is better, have more desirable practicality.
For achieving the above object, led light source lens of the present utility model, it comprises: a high printing opacity lens body, be the solid that high light-transmitting materials constituted, it defines and is formed with a back side and a smooth ejecting end; One first convex surface and one second convex surface, be integrally formed at two places, light ejecting end interval of this high printing opacity lens body, and be formed with an arc inner concave between this first, second convex surface relatively and be connected mutually, relative two sides of this arc inner concave are formed with one first different concave arc limit of the indent radian depth and one second concave arc limit; One offset LED light introduction part is arranged with in the back side of this high printing opacity lens body, and this offset LED light introduction part position, between should first, second convex surface and be partial to the biasing kenel on the first concave arc limit of this arc inner concave.
Preferably, this led light source is with lens and include an installation location division, and this end that this high printing opacity lens body closes on its back side is located in this installation location division.
Further, this installation location division be made as rectangle, circle, ellipse, polygon let alone in a kind of how much kenels or non-how much kenels.
This installation location division side also is formed with at least one locating convex block.
Aspect is formed in one between this installation location division and this high printing opacity lens body.
This installs between location division and this high printing opacity lens body is the kenel of integrated positioning.
Preferably, the back side of this high printing opacity lens body is to should offset LED light introduction part place and be provided with a protruding frame portion.
The back side of this high printing opacity lens body is with surface, installation location division and be compounded with a reflecting layer.
Further, this reflecting layer with silver or aluminium material plated film connecting shaping in the back side of this high printing opacity lens body with the surface, location division is installed.
Further, this high printing opacity lens body is a kind of structure kenel during lens, a secondary lens are let alone.
The led light source lens that adopt above-mentioned innovation unique design to be constituted, the light projection effect that proportioning difference is different before and after can reaching, meeting predetermined location uses, bring into play its maximum light utilization rate, reach that illuminance uniformity is good, energy savings and have practical improvement and the preferable industrial economy benefit of making easily assembled convenience, saving manufacturing cost concurrently.
Description of drawings
Fig. 1 is the depression angle stereogram of the utility model led light source with lens.
Fig. 2 looks up the angle stereogram for the utility model led light source with lens.
Fig. 3 looks up the angle plane for the utility model led light source with lens.
Fig. 4 is long side sectional view and the ray cast view of the utility model led light source with lens.
Fig. 5 is short side sectional view and the ray cast view of the utility model led light source with lens.
Fig. 6 is the utility model led light source enforcement illustration of entirety of lens package on light fixture.
Fig. 7 throws view for the utility model led light source with the light of entirety of lens package on light fixture.
Fig. 8 is the distribution curve flux figure of the utility model led light source with lens.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
See also Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model led light source only for the usefulness of explanation, is not subjected to the restriction of this structure with the preferred embodiment of lens, these embodiment in patent application.Described led light source comprises following formation with lens A:
One high printing opacity lens body 10 is the solid that high light-transmitting materials (as acryl) is constituted, and it defines and is formed with a back side 11 and a smooth ejecting end 12;
One installs location division 20, is formed at this end that this high printing opacity lens body 10 closes on its back side 11;
One first convex surface 31 and one second convex surface 32, be integrally formed at two places, light ejecting end 12 intervals of this high printing opacity lens body 10, and be formed with an arc inner concave 33 relatively between this first, second convex surface 31,32 and be connected mutually, these arc inner concave 33 relative two sides are formed with one first different concave arc limit 34 of dark, the shallow difference of indent radian and one second concave arc limit 35;
One offset LED light introduction part 40, be arranged with the back side 11, and this offset LED light introduction part 40 positions are between should first, second convex surface 31,32 and be partial to the biasing kenel on the first concave arc limit 34 of this arc inner concave 33 in this high printing opacity lens body 10.
Wherein, this installation location division 20 can be made as a rectangle aspect and define and be formed with two long sides 21 and two short sides 22, and this two long side 21 is formed with the locating convex block 23 of evagination kenel, the effect of this locating convex block 23, can be used as this led light source when being assembled in predetermined light fixture (as street lamp) structure, produce inlay card and firmly act on lens A; The concrete enforcement kenel that this installs location division 20 also can be made as the kenel of how much kenels such as circle, ellipse, polygon or other non-geometry.
Can be integrated aspect (as shown in Figure 4) between this installation location division 20 and this high printing opacity lens body 10, also can be the kenel of making the recombinant location respectively.
Wherein, should offset LED light introduction part 40 places and are provided with a protruding frame portion 41 in 11 pairs at the back side of this high printing opacity lens body 10, the effect of this described protruding frame portion 41 as shown in Figure 3, Figure 4, when LED assembly 60 assembling during, can utilize this protruding frame portion 41 to be embedded in these LED assembly 60 peripheries and to obtain positioning action corresponding to this offset LED light introduction part 40.
Wherein, as Fig. 4, shown in Figure 5, the back side 11 of this high printing opacity lens body 10 is with 20 surfaces, installation location division and be compounded with a reflecting layer 50; The concrete molding mode in described reflecting layer 50 can utilize the back side 11 and installation location division 20 surfaces of plated film means connecting shaping in this high printing opacity lens body 10 by silver or aluminium material.
Wherein, described high printing opacity lens body 10 can be the structure kenel of lens, also can be the structure kenel of secondary lens.
Comprehensive said structure is formed design, is described as follows with regard to usage operation situation of the present utility model:
With regard to the ray cast path, this high printing opacity lens body 10 is grown cross-sectional side angles as shown in Figure 4, the light L1 that LED assembly 60 is sent, can see through on the one hand the biconvex diffusion light-guiding effect of this first, second convex surface 31,32, make light L1 present in the figure about the state of two side relative diffusion; On the other hand, be subjected to catadioptric light L1, can be reflected through this reflecting layer 50 and launch, reduce the light loss consumption with this.Follow these high printing opacity lens body 10 short cross-sectional side angles as shown in Figure 5, because the optical axis center of this first, second convex surface 31,32 and the biasing of the optical axis center mutual dislocation of LED assembly 60, therefore the light L3 that sent of LED assembly 60 is after penetrating this first, second convex surface 31,32, will produce the polarisation effect of right side deflection in the figure.
And for example shown in Figure 6, the utility model led light source is assembled in the structural embodiment of a light fixture 70 (present embodiment is a street lamp) with lens A, this led light source can be most groups with lens A and is how row's arranged spaced kenels are located at this light fixture 70 bottom surfaces, as shown in Figure 7, when this light fixture 70 is lighted, can utilize structure kenel characteristics and the leaded light characteristics (as Fig. 4, shown in Figure 5) of these led light sources, reach the ray cast effect of its predetermined light field, light type with lens A.
The utility model led light source requires just like shown in the distribution curve flux figure of Fig. 8 with the bright dipping result of lens A, this figure is depicted as a polar form, the central point of this polar diagram is represented the centre of luminescence of this led light source with lens A, each concentric circles line is represented a shading value, and outer more circle then shading value is strong more.The accessible concrete light type of the utility model can be each light kenel sample that 68 degree, preceding 51 are spent, back 17 is spent about lighting angle, and this is a kind of projection light type that is applicable to street lamp.
Adopt said structure, the utlity model has following beneficial effect:
Led light source lens of the present utility model, mainly be total to the innovation unique design that structure is formed by described high printing opacity lens body, installation location division, first convex surface, second convex surface, offset LED light introduction part, make led light source reach the different light projection effect of front and back proportioning difference with lens, meeting predetermined location uses, bring into play its maximum light utilization rate, reach that illuminance uniformity is good, energy savings and have practical improvement and the preferable industrial economy benefit of making easily assembled convenience, saving manufacturing cost concurrently.
From the above, the utility model and can to produce new beneficial effect as follows:
The back side by this high printing opacity lens body with the location division surface recombination is installed the structural design in described reflecting layer is arranged, the light projector district of the light that needs primary event or repeatedly reflection can being turned back is to reduce the loss that is produced because of reflection.
The foregoing description though describe by specific term in the literary composition, can not limit claim of the present utility model in order to specify the utility model with this; The personage who is familiar with this technical field can change and revise it after understand spirit of the present utility model and principle and reach equivalent purpose, and these changes and modification, all should be covered by in the category that the claim scope defined.
Claims (10)
1. led light source lens is characterized in that: comprising:
One high printing opacity lens body is the solid that high light-transmitting materials constituted, and it defines and is formed with a back side and a smooth ejecting end;
One first convex surface and one second convex surface, be integrally formed at two places, light ejecting end interval of this high printing opacity lens body, and be formed with an arc inner concave between this first, second convex surface relatively and be connected mutually, relative two sides of this arc inner concave are formed with one first different concave arc limit of the indent radian depth and one second concave arc limit;
One offset LED light introduction part is arranged with in the back side of this high printing opacity lens body, and this offset LED light introduction part position, between should first, second convex surface and be partial to the biasing kenel on the first concave arc limit of this arc inner concave.
2. led light source lens according to claim 1 is characterized in that: this led light source is with lens and include an installation location division, and this end that this high printing opacity lens body closes on its back side is located in this installation location division.
3. led light source lens according to claim 2 is characterized in that: this installation location division be made as rectangle, circle, ellipse, polygon let alone in a kind of how much kenels or non-how much kenels.
4. led light source lens according to claim 2 is characterized in that: this installation location division side also is formed with at least one locating convex block.
5. led light source lens according to claim 2 is characterized in that: aspect is formed in one between this installation location division and this high printing opacity lens body.
6. led light source lens according to claim 2 is characterized in that: be the kenel of integrated positioning between this installation location division and this high printing opacity lens body.
7. led light source lens according to claim 1 is characterized in that: the back side of this high printing opacity lens body is to should offset LED light introduction part place and be provided with a protruding frame portion.
8. led light source lens according to claim 2 is characterized in that: the back side of this high printing opacity lens body is with surface, installation location division and be compounded with a reflecting layer.
9. led light source lens according to claim 8 is characterized in that: this reflecting layer with silver or aluminium material plated film connecting shaping in the back side of this high printing opacity lens body with the surface, location division is installed.
10. led light source lens according to claim 1 is characterized in that: this high printing opacity lens body is a kind of structure kenel during lens, a secondary lens are let alone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202197771U CN201561367U (en) | 2009-10-21 | 2009-10-21 | Lens for LED light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202197771U CN201561367U (en) | 2009-10-21 | 2009-10-21 | Lens for LED light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201561367U true CN201561367U (en) | 2010-08-25 |
Family
ID=42626513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202197771U Expired - Fee Related CN201561367U (en) | 2009-10-21 | 2009-10-21 | Lens for LED light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201561367U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506388A (en) * | 2011-10-21 | 2012-06-20 | 东莞雷笛克光学有限公司 | Replaceable multifunctional light emitting diode (LED) lens bracket |
| CN102569617A (en) * | 2012-03-07 | 2012-07-11 | 昆山翰辉电子科技有限公司 | LED encapsulation structure |
| CN102620181A (en) * | 2011-01-26 | 2012-08-01 | 杨然森 | LED (Light-Emitting Diode) light-distribution light source, manufacturing method thereof and solid lens adopted by LED light-distribution light source |
| WO2015035675A1 (en) * | 2013-09-16 | 2015-03-19 | Light Engine Limited | Faceted led street lamp lens |
| CN106371160A (en) * | 2016-10-28 | 2017-02-01 | 华南理工大学 | Double ellipsoidal composite lens, design method thereof and package structure with primary optics |
-
2009
- 2009-10-21 CN CN2009202197771U patent/CN201561367U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620181A (en) * | 2011-01-26 | 2012-08-01 | 杨然森 | LED (Light-Emitting Diode) light-distribution light source, manufacturing method thereof and solid lens adopted by LED light-distribution light source |
| CN102620181B (en) * | 2011-01-26 | 2014-11-26 | 杨然森 | LED (Light-Emitting Diode) light-distribution light source, manufacturing method thereof and solid lens adopted by LED light-distribution light source |
| CN102506388A (en) * | 2011-10-21 | 2012-06-20 | 东莞雷笛克光学有限公司 | Replaceable multifunctional light emitting diode (LED) lens bracket |
| CN102569617A (en) * | 2012-03-07 | 2012-07-11 | 昆山翰辉电子科技有限公司 | LED encapsulation structure |
| WO2015035675A1 (en) * | 2013-09-16 | 2015-03-19 | Light Engine Limited | Faceted led street lamp lens |
| US9175832B2 (en) | 2013-09-16 | 2015-11-03 | Light Engine Limited | Faceted LED street lamp lens |
| CN106371160A (en) * | 2016-10-28 | 2017-02-01 | 华南理工大学 | Double ellipsoidal composite lens, design method thereof and package structure with primary optics |
| CN106371160B (en) * | 2016-10-28 | 2019-01-29 | 华南理工大学 | Double ellipsoid compound lens and its design method have primary optical encapsulating structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20121021 |