CN203857402U - Optical lens - Google Patents
Optical lens Download PDFInfo
- Publication number
- CN203857402U CN203857402U CN201420220637.7U CN201420220637U CN203857402U CN 203857402 U CN203857402 U CN 203857402U CN 201420220637 U CN201420220637 U CN 201420220637U CN 203857402 U CN203857402 U CN 203857402U
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- CN
- China
- Prior art keywords
- optical lens
- light
- optics cavity
- lens
- planes
- 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.)
- Withdrawn - After Issue
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses an optical lens. The optical lens is in the shape of a polyhedron and is provided with an optical cavity which is located inside the lens and in the shape of an inverse cone, wherein the optical cavity is provided with a virtual central axis. The outer surface of the optical lens is provided with a bottom surface and multiple lateral surfaces, a cross section is formed on the optical lens along the central axis of the optical cavity and is divided into an upper portion and a lower portion, the top of the upper portion is narrower than the bottom of the upper portion, and the top of the lower portion is wider than the bottom of the lower portion. The optical lens is used for adjusting the beam angle, light shoots into the optical lens through the optical cavity and shoots out of the optical lens downwards obliquely, and the number of light rays shooting out through the lateral surfaces on the lower portion is larger than the number of light rays shooting out through the bottom surface.
Description
[technical field]
The utility model relates to a kind of lens, especially refers to a kind of optical lens for lamp.
[background technology]
Along with the development of light emitting diode (LED) technology, increasing high-powered LED lamp is designed to illumination, for example illumination at home.With respect to lighting source LED light fixtures such as existing incandescent lamps, have the plurality of advantages such as brightness is sufficient, energy-conservation, reliability is high, the life-span is long, this makes it at lighting field, have more wide application prospect.
LED light source is spot light, usually need to be converted into area source by face shield, lens or other optical processing systems, otherwise dazzle is too strong.
Chinese patent application discloses No. CN102102847A and has disclosed a kind of LED area light source lens, and the light reflective recess of a back taper shape is formed on its inner top, forms a light source recess in the bottom of lens inside.On the bottom of area light source lens, form site, then form a reflecting layer.Area light source lens, for single spot light-LED light source, makes the light of spot light after lens, become area source.But these lens cannot adapt to the requirement of a plurality of spot lights, and because the outer surface of these lens is perpendicular, it cannot concentrate on light in some required direction.
Therefore,, in order to overcome above-mentioned defect, be necessary to provide a kind of improved optical lens.
[utility model content]
The purpose of this utility model is to provide a kind of optical lens.
To achieve these goals, the utility model adopts following technical scheme: a kind of optical lens, described optical lens is polyhedron shape, it has the optics cavity of the vertebral body shape that is positioned at described lens inside, described optics cavity has virtual axis, the outer surface of described optical lens has bottom surface and some sides, described optical lens is formed with a cross section along the axis of described optics cavity, this cross section is divided into upper and lower, the width at the top on top is less than the width of bottom, the width at the top of described bottom is greater than the width of bottom, described optical lens is for adjusting the rising angle of light, described light is from optical lens described in described optics cavity incident, by described optical lens rear-inclined, penetrate downwards, the light wherein penetrating from the side of bottom is more than the light penetrating from bottom surface.
Preferably, described optical lens is the outer cover of bulb lamp or candle lamp.
Preferably, described optical lens from top to bottom width broadens and narrows down gradually more gradually, and ends in bottom surface, and the side on described top has some planes, and the side of described bottom has some planes.
Preferably, the plane of the plane of the side on the top of described optical lens and the side of bottom is corresponding in the direction of the axis of described optics cavity.
Preferably, described bottom surface is perpendicular to the axis of the optics cavity of described vertebral body shape, and the tip of described vertebral body shape is towards described bottom surface, and what make that described light penetrates from bottom surface is less.
Preferably, described optics cavity is polyhedron shape or cone shape.
Preferably, the polyhedron of the optics cavity of described polyhedron shape and the polyhedron of described lens are corresponding.
Preferably, the side of described optical lens has at least 10 planes.
Preferably, the side of described optical lens has 12 planes, and the surface on wherein said top has 6 planes, and the surface of described bottom has 6 planes, and the plane on described top and the plane of described bottom corresponding.
Preferably, described optical lens also comprises that one from the upwardly extending fixed part in described top, and described fixed part is fixed on described optical lens on other devices.
Compared to prior art, the utility model optical lens has following advantage: can make light concentrate and be tilted to lower ejaculation, cause bright effect.
[accompanying drawing explanation]
Fig. 1 is the perspective view of the first preferred embodiment of the utility model optical lens.
Fig. 2 is the side view of the first preferred embodiment of the utility model optical lens.
Fig. 3 is the top view of the first preferred embodiment of the utility model optical lens.
Fig. 4 is the cutaway view that is installed on fixture of the first preferred embodiment of the utility model optical lens.
Fig. 5 is the index path in the generalized section of the utility model optical lens.
Fig. 6 is the distribution curve flux figure of the first preferred embodiment of the utility model optical lens.
Fig. 7 is the perspective view of the second preferred embodiment of the utility model optical lens.
[specific embodiment]
Please refer to shown in Fig. 1 and Fig. 4, a kind of optical lens 1 of the first preferred embodiment of the present utility model is polyhedron shape, and it has the optics cavity 10 of the vertebral body shape that is positioned at lens 1 inside.Optics cavity 10 has virtual axis.The back taper bodily form not necessarily has tip, but general shape is reverse taper, and width reduces to little gradually from upper.The outer surface of optical lens 1 has bottom surface 11 and some sides 12, optical lens 1 is cut open along the axis of optics cavity 10, this cross section is divided into 13He bottom, top 14, incorporated by reference to consulting Fig. 2, the width at the top 130 on top 13 is less than the width of bottom 131, and the width at the top 140 of bottom 14 is greater than the width of bottom 141.Optical lens 1 is for adjusting the rising angle of light, and light, from optics cavity 10 beam incident optical lens 1, penetrates downwards by optical lens 1 rear-inclined, and from bottom surface, 11 light that penetrate are less, and the light that 14 side 122 is penetrated from bottom is more.As shown in Figure 5, the index path of drawing in the generalized section for optical lens 1, can significantly find out, the light that optical lens 1 penetrates from the side of bottom is more than the light penetrating from bottom surface.Such optical lens 1 can effectively be adjusted the angle of light, make light be tilted to lower ejaculation, and 12 light is more in side, the light that bottom surface 11 is penetrated is less, make to use the LED lamp of this optical lens 1 to be particularly suitable as light source use in the light fixtures such as Crystal lamp, utilize a less LED light source number, cause preferably bright lighting effects.The distribution curve flux figure that Figure 6 shows that the optical lens 1 of the utility model the first preferred embodiment, can find out, light all concentrates in the direction under being tilted to.
Optical lens 1 can be the outer cover of bulb lamp or candle lamp.Optical lens 1 is directly as the outer cover of bulb lamp or candle lamp, can so that the loss of light still less, and the structure of bulb lamp or candle lamp is simpler.
Optical lens 1 from top to bottom width broadens and narrows down gradually more gradually, and ends in bottom surface 11, and the side 121 on top 13 has some planes, and the side 122 of bottom 14 has some planes.Different planes, can guide light to different directions, thereby make light relatively concentrate on several required directions.The plane of the side 121 on the top 13 of optical lens 1 is corresponding with the plane of the side 122 of bottom 14, and the number of the number of the side 121 on top 13 and the side 122 of bottom 14 is identical and position is corresponding.
Incorporated by reference to consulting Fig. 4, bottom surface 11 is perpendicular to the axis of the optics cavity 10 of vertebral body shape, and the tip 101 of vertebral body shape is towards bottom surface 11, make light from bottom surface 11 penetrate less.
Optics cavity 10 is polyhedron shape or cone shape.In the present embodiment, optics cavity 10 is polyhedron shape, and the polyhedron of the optics cavity 10 of polyhedron shape is corresponding with the polyhedron of optical lens 1.The plane of the sidewall of optics cavity 10 is corresponding with the plane of optical lens 1 outer surface.The plane of the sidewall of optics cavity 10 is identical with the plane number of optical lens 1 outer surface, and position is corresponding.In the utility model the second preferred embodiment, as shown in Figure 7, optics cavity 20 can be also cone shape.
The side of optical lens 1 has at least 10 planes.In the present embodiment, the side of optical lens 1 has 12 planes, and the surface of its middle and upper part 13 has 6 planes, and the surface of bottom 14 has 6 planes, and the plane on top 13 is corresponding with the plan-position of bottom 14.
Optical lens 1 also comprise one from top 13 the upwardly extending fixed part 15 in top 130, fixed part 15 is fixed on optical lens 1 on other devices.Please refer to shown in Fig. 4, in the present embodiment, optical lens 1 is fixed on heat abstractor 3 by fixed part 15.Heat abstractor 3 is radiator or the base of bulb lamp (not shown) or candle lamp (not shown), and optical lens 1 is as the outer cover of bulb lamp or candle lamp.
Should be noted that, embodiment of the present utility model has preferably implementation, and not the utility model is done to any type of restriction, any person skilled in art of being familiar with may utilize the technology contents change of above-mentioned announcement or be modified to the effective embodiment being equal to, in every case do not depart from the content of technical solutions of the utility model, any modification or equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. an optical lens, described optical lens is polyhedron shape, it is characterized in that: it has the optics cavity of the vertebral body shape that is positioned at described lens inside, described optics cavity has virtual axis, the outer surface of described optical lens has bottom surface and some sides, described optical lens is formed with a cross section along the axis of described optics cavity, this cross section is divided into upper and lower, the width at the top on top is less than the width of bottom, the width at the top of described bottom is greater than the width of bottom, described optical lens is for adjusting the rising angle of light, described light is from optical lens described in described optics cavity incident, by described optical lens rear-inclined, penetrate downwards, the light wherein penetrating from the side of bottom is more than the light penetrating from bottom surface.
2. optical lens as claimed in claim 1, is characterized in that: described optical lens is the outer cover of bulb lamp or candle lamp.
3. optical lens as claimed in claim 1, is characterized in that: described optical lens from top to bottom width broadens and narrows down gradually more gradually, and ends in bottom surface, and the side on described top has some planes, and the side of described bottom has some planes.
4. optical lens as claimed in claim 3, is characterized in that: the plane of the side on the top of described optical lens is corresponding in the direction of the axis of described optics cavity with the plane of the side of bottom.
5. optical lens as claimed in claim 1, is characterized in that: described bottom surface is perpendicular to the axis of the optics cavity of described vertebral body shape, and the tip of described vertebral body shape is towards described bottom surface, and what make that described light penetrates from bottom surface is less.
6. optical lens as claimed in claim 1, is characterized in that: described optics cavity is polyhedron shape or cone shape.
7. optical lens as claimed in claim 6, is characterized in that: the polyhedron of the optics cavity of described polyhedron shape is corresponding with the polyhedron of described lens.
8. optical lens as claimed in claim 1, is characterized in that: the side of described optical lens has at least 10 planes.
9. optical lens as claimed in claim 8, it is characterized in that: the side of described optical lens has 12 planes, the surface on wherein said top has 6 planes, and the surface of described bottom has 6 planes, and the plane on described top and the plane of described bottom corresponding.
10. optical lens as claimed in claim 1, is characterized in that: described optical lens also comprises that one from the upwardly extending fixed part in described top, and described fixed part is fixed on described optical lens on other devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220637.7U CN203857402U (en) | 2014-04-30 | 2014-04-30 | Optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220637.7U CN203857402U (en) | 2014-04-30 | 2014-04-30 | Optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203857402U true CN203857402U (en) | 2014-10-01 |
Family
ID=51607250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420220637.7U Withdrawn - After Issue CN203857402U (en) | 2014-04-30 | 2014-04-30 | Optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203857402U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566219A (en) * | 2015-01-22 | 2015-04-29 | 汤绍平 | LED optical lens |
| CN105020676A (en) * | 2014-04-30 | 2015-11-04 | 欧普照明股份有限公司 | Optical lens |
| CN105299591A (en) * | 2015-11-17 | 2016-02-03 | 江苏永信光学仪器有限公司 | Optical lens |
-
2014
- 2014-04-30 CN CN201420220637.7U patent/CN203857402U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020676A (en) * | 2014-04-30 | 2015-11-04 | 欧普照明股份有限公司 | Optical lens |
| CN105020676B (en) * | 2014-04-30 | 2018-12-04 | 欧普照明股份有限公司 | A kind of optical lens |
| CN104566219A (en) * | 2015-01-22 | 2015-04-29 | 汤绍平 | LED optical lens |
| CN105299591A (en) * | 2015-11-17 | 2016-02-03 | 江苏永信光学仪器有限公司 | Optical lens |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141001 Effective date of abandoning: 20181204 |