CN204806287U - LED lamps and lanterns and optical lens thereof - Google Patents
LED lamps and lanterns and optical lens thereof Download PDFInfo
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- CN204806287U CN204806287U CN201520529444.4U CN201520529444U CN204806287U CN 204806287 U CN204806287 U CN 204806287U CN 201520529444 U CN201520529444 U CN 201520529444U CN 204806287 U CN204806287 U CN 204806287U
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- optical lens
- optical
- optics side
- optics
- optical surface
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- 230000003287 optical Effects 0.000 title claims abstract description 105
- 241001465382 Physalis alkekengi Species 0.000 title abstract 4
- 239000000758 substrate Substances 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005755 formation reaction Methods 0.000 claims description 3
- 235000007466 Corylus avellana Nutrition 0.000 claims 2
- 240000007582 Corylus avellana Species 0.000 claims 2
- 238000007598 dipping method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model relates to a LED lamps and lanterns and the optical lens who adopts. Optical lens, including dome structure and protrusion structure, dome structure has the surface, the protrusion structure is suddenly located dome structure the surface, the protrusion structure have first optical surface and with the first optics side that first optical surface meets, first optical surface with the surface meets and forms a boundary line, first optics side with a boundary line slopes mutually. The utility model provides a LED lamps and lanterns. Above -mentioned LED lamps and lanterns and the optical lens who adopts have the advantage of multiplicable optics efficiency.
Description
Technical field
The utility model relates to technical field of LED illumination, particularly a kind of LED lamp and a kind of optical lens.
Background technology
In recent years, LED (LightEmittingDiode, light emitting diode) light fixture obtains and develops fast, just progressively enters general lighting field.Compared with traditional incandescent osram lamp and fluorescent lamp, LED lamp has the advantages such as volume is little, energy-saving and environmental protection, long service life, thus has the title of green illumination light source.
Refer to Fig. 1, it is the structural representation of previous a kind of optical lens for LED lamp.As shown in Figure 1, optical lens 10 projective structure 15 that comprises mount pad 11, be arranged on the dome structure 13 on mount pad 11 and outwardly arrange along the side away from mount pad 11 from dome structure 13.Wherein, dome structure 13 has outer surface 131, and projective structure 15 has the first optical surface 151, first optics side 153, second optical surface 155 and the second optics side 157.First optical surface 151, first optics side 153, second optical surface 155 and the second optics side 157 connect successively.Wherein, the first optics side 153 and the second optics side 157 are perpendicular to the outer surface 131 of dome structure 13.
But, refer to Fig. 2, its bright dipping analog result figure being optical lens 10 shown in Fig. 1.As can see from Figure 2, from the light of optical lens 10 outgoing, have light L1 can along the direction outgoing comparatively near level, above-mentioned optical lens 10 be when using as street lamp, and light L1 would not be mapped on road surface, therefore can produce loss, reduce optical efficiency.
Utility model content
Therefore, for the deficiency in aforementioned related art, the utility model proposes a kind of LED lamp and a kind of optical lens, with the problem that the optical efficiency solving optical lens is lower.
Particularly, a kind of optical lens that the utility model embodiment provides, comprise dome structure and projective structure, described dome structure has outer surface, and described projective structure is based in the described outer surface of described dome structure; The first optics side that described projective structure has the first optical surface and connects with described first optical surface, described first optical surface connects with described outer surface formation first boundary line, and described first optics side and described first boundary line tilt.
In an embodiment of the present utility model, the angle between described first optics side and described first boundary line is 0 ~ 75 degree.
In an embodiment of the present utility model, the angle between described first optics side and described first boundary line is 30 degree.
In an embodiment of the present utility model, described projective structure also has the second optical surface and the second optics side, described second optical surface is relative with described first optical surface, described second optics side is relative with described first optics side, and described first optical surface, described first optics side, described second optical surface and described second optics side connect successively.
In an embodiment of the present utility model, described second optics side is identical with the shape of described first optics side.
In an embodiment of the present utility model, described second optical surface is curved surface.
In an embodiment of the present utility model, described first optical surface, described first optics side and described second optics side are plane.
In an embodiment of the present utility model, described optical lens also comprises mount pad and described mount pad is provided with multiple installing hole; Described dome structure is arranged on described mount pad.
The utility model embodiment also provides a kind of LED lamp, it optical lens comprising LED light source and cover described LED light source, and described optical lens is the optical lens described in above-mentioned any embodiment.
In an embodiment of the present utility model, described LED light source comprises COB substrate and is fixed on one or more LED chip on described COB substrate.
In above-mentioned optical lens and LED lamp, because the first optics side and the first boundary line tilt, when light is irradiated on the first optics side, the direction of propagation of light can be adjusted preferably, thus is conducive to increasing optical efficiency.
By the detailed description below with reference to accompanying drawing, other side of the present utility model and feature become obvious.But it should be known that this accompanying drawing is only the object design of explanation, instead of as the restriction of scope of the present utility model, this is because it should with reference to additional claim.Should also be appreciated that, unless otherwise noted, unnecessaryly draw accompanying drawing to scale, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
Fig. 1 is the structural representation of previous a kind of optical lens for LED lamp.
The bright dipping simulation drawing that Fig. 2 is the optical lens of LED lamp shown in Fig. 1.
Fig. 3 is the structural representation of a kind of optical lens of the utility model embodiment.
Fig. 4 is the top view of optical lens shown in Fig. 3.
Fig. 5 is the front view of optical lens shown in Fig. 3.
Fig. 6 is the light type figure of optical lens shown in Fig. 3.
Fig. 7 for optical lens shown in Fig. 3 in the horizontal direction with the light type figure of vertical direction.
The bright dipping simulation drawing that Fig. 8 is optical lens shown in Fig. 3.
Fig. 9 is that optical lens shown in Fig. 4 is along Ⅸ-Ⅸ ' profile cut open of line, and described optical lens and LED light source combination are to be assembled into LED lamp.
Detailed description of the invention
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail detailed description of the invention LED lamp of the present utility model and optical lens thereof below in conjunction with accompanying drawing.
Refer to Fig. 3, be depicted as a kind of optical lens 30 of the utility model embodiment.Optical lens 30 comprises mount pad 31, dome structure 33 and projective structure 35.Mount pad 31 is provided with multiple installing hole 310.Dome structure 33 to be arranged on mount pad 31 and to have an outer surface 331.This dome structure 33 and mount pad 31 can be structure as a whole.Projective structure 35 is outwards based in the outer surface 331 of dome structure 33 and comprises the first optical surface 351 and the first optics side 353.First optical surface 351 connects with the first optics side 353.First optical surface 351 connects with the outer surface 331 of dome structure 33 formation first boundary line 333.First optics side 353 and the first boundary line 333 tilt, in other words, namely the first optics side 353 and the first boundary line 333 non-orthogonal.Because the first optics side 353 and the first boundary line 333 tilt, make light enter optical lens 30 can obtain evenly diffusion, and to specific angle outgoing, also namely the optical efficiency of optical lens 30 can improve.
Please simultaneously see Fig. 3 and Fig. 4, the first optics side 353 and the first boundary line 333 tilt, and the angle theta that both are formed can be 0 ~ 75 degree.Specifically in the present embodiment, the angle theta formed between the first optics side 353 and the first boundary line 333 is 30 degree.
Please simultaneously see Fig. 3 ~ Fig. 5, in the present embodiment, projective structure 35 also has the second optical surface 355 and the second optics side 357.Second optical surface 355 is relative with the first optical surface 351, second optics side 357 is relative with the first optics side 353, and the first optical surface 351, first optics side 353, second optical surface 355 and the second optics side 357 connect successively, and then form the surface of projective structure 35.In more detail, in the present embodiment, the first optics side 353 is identical with the shape of the second optics side 357, and relative to the central shaft symmetrically structure of Y-direction.
Second optical surface 355 can be curved-surface structure.First optics side 353 and the second optics side 357 can be plane.
In above-mentioned optical lens 30, the first optics side 353 1 boundary line 333 tilts, and when light is irradiated on the first optics side 353, the direction of propagation of light can be adjusted preferably, thus is conducive to increasing optical efficiency.Have preferably go out optical property for further illustrating above-mentioned optical lens 30, the utility model is also tested the light type figure of above-mentioned optical lens 30 and light-out effect, and its result as shown in Figure 6 to 8.As can be seen from Fig. 6 and Fig. 7, the light type distribution of light obtained improves, and optical efficiency ratio (Flux/EmittedFlux) can reach 0.8798, and it can promote more than 2.5% compared to the optical lens 10 in the prior art shown in Fig. 1.As can be seen here, above-mentioned optical lens 30 has and preferably goes out optical property.As can be seen from Figure 8, can be adjusted preferably under the effect of the first optics side 353 from the light L2 of optical lens 30 side outgoing, and along more near vertical direction outgoing.When optical lens 30 is when using as street lamp, light L2 can be mapped on road surface, therefore can reduce light loss, increases optical efficiency.
Refer to Fig. 9, be depicted as the LED lamp 300 of another embodiment of the utility model.LED lamp 300 comprises above-mentioned optical lens 30 and LED light source 40.Optical lens 30 covers on LED light source 40.Specifically in the present embodiment, the bottom surface of optical lens 30 has container cavity 301.Container cavity 301 is such as roughly positioned at immediately below dome structure 33 and projective structure 35.LED light source 40 is located in container cavity 301.Typically, LED light source 40 can comprise COB (chiponboard, chip on board) substrate and be fixed on the one or more LED chip on COB substrate; Moreover; for the ease of the heat radiation of LED lamp; then usually can contact hot to COB substrate and radiator; such as COB substrate directly contacts with radiator or is connected by heat-conducting glue and radiator are hot, and then utilizes retaining piece (such as screw) to be fixedly connected with radiator by optical lens 30 through the installing hole 310 on mount pad 31.
In sum, in the optical lens of the utility model above-described embodiment, because the first optics side and the first boundary line tilt, coordinate with other light sources.In addition, mount pad be set to option, it is mainly in order to increase the installation convenience of optical lens.
So far, apply specific case herein and set forth the principle of LED lamp of the present utility model and optical lens and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping; Simultaneously; for one of ordinary skill in the art; according to thought of the present utility model; all will change in specific embodiments and applications; in sum; this description should not be construed as restriction of the present utility model, and protection domain of the present utility model should be as the criterion with appended claim.
Claims (10)
1. an optical lens, comprises dome structure and projective structure, and described dome structure has outer surface, and described projective structure is based in the described outer surface of described dome structure; It is characterized in that, the first optics side that described projective structure has the first optical surface and connects with described first optical surface, described first optical surface connects with described outer surface formation first boundary line, and described first optics side and described first boundary line tilt.
2. optical lens as claimed in claim 1, it is characterized in that, the angle between described first optics side and described first boundary line is 0 ~ 75 degree.
3. optical lens as claimed in claim 2, it is characterized in that, the angle between described first optics side and described first boundary line is 30 degree.
4. optical lens as claimed in claim 1, it is characterized in that, described projective structure also has the second optical surface and the second optics side, described second optical surface is relative with described first optical surface, described second optics side is relative with described first optics side, and described first optical surface, described first optics side, described second optical surface and described second optics side connect successively.
5. optical lens as claimed in claim 4, it is characterized in that, described second optics side is identical with the shape of described first optics side.
6. optical lens as claimed in claim 4, it is characterized in that, described second optical surface is curved surface.
7. optical lens as claimed in claim 4, it is characterized in that, described first optical surface, described first optics side and described second optics side are plane.
8. optical lens as claimed in claim 1, it is characterized in that, described optical lens also comprises mount pad and described mount pad is provided with multiple installing hole; Described dome structure is arranged on described mount pad.
9. a LED lamp, it optical lens comprising LED light source and cover described LED light source, described optical lens is the optical lens in claim 1 ~ 8 described in any one.
10. LED lamp as claimed in claim 9, is characterized in that, described LED light source comprises COB substrate and is fixed on the one or more LED chip on described COB substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529444.4U CN204806287U (en) | 2015-07-21 | 2015-07-21 | LED lamps and lanterns and optical lens thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529444.4U CN204806287U (en) | 2015-07-21 | 2015-07-21 | LED lamps and lanterns and optical lens thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204806287U true CN204806287U (en) | 2015-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520529444.4U Withdrawn - After Issue CN204806287U (en) | 2015-07-21 | 2015-07-21 | LED lamps and lanterns and optical lens thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204806287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090887A (en) * | 2015-07-21 | 2015-11-25 | 开发晶照明（厦门）有限公司 | LED lamp and optical lens thereof |
-
2015
- 2015-07-21 CN CN201520529444.4U patent/CN204806287U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090887A (en) * | 2015-07-21 | 2015-11-25 | 开发晶照明（厦门）有限公司 | LED lamp and optical lens thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151125 Effective date of abandoning: 20191011 |
|
| AV01 | Patent right actively abandoned |