CN206001401U - A kind of lens - Google Patents
A kind of lens Download PDFInfo
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- CN206001401U CN206001401U CN201621010775.8U CN201621010775U CN206001401U CN 206001401 U CN206001401 U CN 206001401U CN 201621010775 U CN201621010775 U CN 201621010775U CN 206001401 U CN206001401 U CN 206001401U
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- lens
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- incidence
- exiting surface
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Abstract
The utility model discloses a kind of lens, including inner surface, outer surface, and for housing the host cavity of light source assembly, the wall of host cavity is the inner surface of lens, wherein, inner surface comprises the first connected incidence surface and the second incidence surface, outer surface comprises connected reflecting surface and exiting surface, exiting surface includes the first area seamlessly transitting and second area, first area is located at the middle part of exiting surface, second area is located at the edge of exiting surface, second area is curved surface, wherein, by described first incidence surface enter described lens anaclasis to exiting surface and by described exiting surface refraction after outgoing, by described second incidence surface enter described lens light through described reflective surface to described exiting surface and by described exiting surface refraction after outgoing.Lens of the present utility model, the edge of exiting surface adopts arc surface or curved surface, makes the light beam deflection central shaft outgoing of the marginal area outgoing by this lens, thus reaching the purpose reducing rims of the lens veiling glare.
Description
Technical field
This utility model belongs to lighting technical field, particularly to a kind of lens.
Background technology
TIR lens, are the abbreviation of total internal reflection lens, by optical bodies, the light of light source are received light, and through optics originally
Light is gone out completely after body inner full-reflection.TIR lens widely use in the illuminators such as searchlight, pocket lamp.
Shown in Figure 1, existing TIR lens 1a, lens 1a include inner surface 11a, outer surface 12a and are used for housing
, as incidence surface, outer surface 12a includes reflecting surface 121a and exiting surface 122a for the host cavity 2a of light source assembly, inner surface 11a.By
In exiting surface 122a be plane so that have that veiling glare is more by the light beam A of the edge outgoing of this lens 1a, edge receipts light not
Clean problem.
Utility model content
The purpose of this utility model is to solve the above problems, providing a kind of edge veiling glare to obtain the lens controlling.
For achieving the above object, this utility model provides a kind of lens, including inner surface, outer surface and be used for housing
The host cavity of light source assembly, the wall of described host cavity is the inner surface of lens, wherein,
Described inner surface comprises the first connected incidence surface and the second incidence surface,
Described outer surface comprises connected reflecting surface and exiting surface, described exiting surface include the first area that seamlessly transits and
Second area, described first area is located at the middle part of described exiting surface, and second area is located at the edge of described exiting surface, and described the
Two regions are curved surface,
Wherein, by described first incidence surface enter described lens anaclasis to exiting surface and by described exiting surface refraction after
Outgoing,
By described second incidence surface enter described lens light through described reflective surface to described exiting surface and by institute
State outgoing after exiting surface refraction.
Further, the circular arc being a continuous protrusion by the exiting surface that described first area and second area are constituted
Face.
Further, the exiting surface of described first area and second area composition is the curved surface of a protrusion, wherein, described
First area is plane, and described second area is the curved surface of annular.
Further, described first incidence surface is the bottom surface of described host cavity, and described second incidence surface is described host cavity
Side, described first incidence surface be convex surface.
Further, described reflecting surface is total internal reflection surface.
Further, described lens are tapered, and described reflecting surface is taper seat.
Further, described lens are axle rotational symmetry structure.
Further, described lens adopt PMMA material.
Further, described lens adopt PC material.
Beneficial effect：Lens of the present utility model, the edge of exiting surface adopts arc surface or curved surface, makes by this lens
Marginal area outgoing light beam deflection central shaft outgoing, thus reach reduce rims of the lens veiling glare purpose.
Brief description
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes one of the present utility model
Point, schematic description and description of the present utility model is used for explaining this utility model, does not constitute to of the present utility model
Improper restriction.In the accompanying drawings：
Fig. 1 is a kind of generalized section of lens of prior art.
A kind of generalized section of lens that Fig. 2 provides for this utility model embodiment 1.
A kind of generalized section of lens that Fig. 3 provides for this utility model embodiment 2.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, concrete below in conjunction with this utility model
Embodiment and corresponding accompanying drawing are clearly and completely described to technical solutions of the utility model.Obviously, described embodiment
It is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, this area
The every other embodiment that those of ordinary skill is obtained under the premise of not making creative work, broadly falls into this utility model
The scope of protection.
Embodiment 1
Fig. 2 shows a kind of lens 1 of the present utility model, tapered, and it is axle rotational symmetry structure and is integrally formed, rotation
Axle 10 centered on rotating shaft.This lens 1 has inner surface 11, outer surface 12 and the host cavity 2 for housing light source assembly 3, this receipts
The wall of cavity volume 2 is the inner surface 11 of lens 1.In the present embodiment, light source assembly 3 includes light source board 31 and luminescence unit 32.
Host cavity 2 is mainly used in housing luminescence unit 32, and luminescence unit 32 can be LED light source, TL light source or other light source.Lens 1 can
Think that tension type lens can also be rotary type lens, it can be made using PMMA material, PC material or other material.
Inner surface 11 comprises the first connected incidence surface 111 and the second incidence surface 112, and the first incidence surface 111 is host cavity 2
Bottom surface, the second incidence surface 112 is the side of host cavity 2.In the present embodiment, the first incidence surface 111 is convex surface, and second enters light
Face 112 is periphery.
Outer surface 12 comprises connected reflecting surface 121 and exiting surface 122, exiting surface 122 relative with the first incidence surface 111 and
Radian is contrary, and reflecting surface 121 is relative with the second incidence surface 112 and has in certain angle.In the present embodiment, exiting surface
122 include the first area 1221 seamlessly transitting and second area 1222, and first area 1221 and second area 1222 constitute one
Individual continuous arc surface, this arc surface is outwardly.Reflecting surface 121 is taper seat, and is total internal reflection surface.
The anaclasis of lens 1 are entered to exiting surface 122 and outgoing after being reflected by exiting surface 122 by the first incidence surface 111, by
The reflected face of light 121 that second incidence surface 112 enters lens 1 reflexes to exiting surface 122 and goes out after being reflected by exiting surface 122
Penetrate.
The lens of this utility model embodiment, by being used as exiting surface 122 using arc surface, make the side by this lens 1
Light beam A 1 deflection central shaft 10 outgoing of edge region outgoing, thus reach the purpose reducing rims of the lens veiling glare.
Embodiment 2
Fig. 3 shows a kind of lens 1 ' of the present utility model, tapered, and it is axle rotational symmetry structure and is integrally formed,
Axle 10 centered on rotary shaft.This lens 1 ' has inner surface 11, outer surface 12 and the host cavity 2 for housing light source assembly 3,
The wall of this host cavity 2 is the inner surface 11 of lens 1 '.In the present embodiment, light source assembly 3 includes light source board 31 and luminous list
Unit 32.Host cavity 2 is mainly used in housing luminescence unit 32, and luminescence unit 32 can be LED light source, TL light source or other light source.Thoroughly
Mirror 1 ' can be made using PMMA material, PC material or other material.
Inner surface 11 comprises the first connected incidence surface 111 and the second incidence surface 112, and the first incidence surface 111 is host cavity 2
Bottom surface, the second incidence surface 112 is the side of host cavity 2.In the present embodiment, the first incidence surface 111 is convex surface, and second enters light
Face 112 is periphery.
Outer surface 12 comprises connected reflecting surface 121 and exiting surface 122, and exiting surface 122 is relative with the first incidence surface 111,
Reflecting surface 121 is relative with the second incidence surface 112 and in certain angle.In the present embodiment, this exiting surface 122 is outwardly
Curved surface, including the first area 1221 seamlessly transitting and second area 1222, wherein, first area 1221 is plane, second
Region 1222 is the curved surface of annular.Reflecting surface 121 is taper seat, and reflecting surface 121 is total internal reflection surface.In other embodiments
In, exiting surface 122 can be other shapes of free form surface.
The anaclasis of lens 1 are entered to exiting surface 122 and outgoing after being reflected by exiting surface 122 by the first incidence surface 111, by
The reflected face of light 121 that second incidence surface 112 enters lens 1 reflexes to exiting surface 122 and goes out after being reflected by exiting surface 122
Penetrate.
The lens of this utility model embodiment, by being used as exiting surface 122 using arc surface, make the side by this lens 1 '
Light beam A 2 deflection central shaft 10 outgoing of edge region outgoing, thus reach the purpose reducing rims of the lens veiling glare.
Above-described instantiation, has been carried out to the purpose of this utility model, technical scheme and beneficial effect further
Describe in detail, be should be understood that and the foregoing is only specific embodiment of the utility model, be not limited to this reality
With new, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement done etc., all should comprise
Within protection domain of the present utility model.
Claims (9)
1. a kind of lens, including inner surface, outer surface and the host cavity for housing light source assembly, the wall of described host cavity
Inner surface for lens it is characterised in that
Described inner surface comprises the first connected incidence surface and the second incidence surface,
Described outer surface comprises connected reflecting surface and exiting surface, and described exiting surface includes the first area seamlessly transitting and second
Region, described first area is located at the middle part of described exiting surface, and second area is located at the edge of described exiting surface, described secondth area
Domain is curved surface,
Wherein, gone out to exiting surface and after being reflected by described exiting surface by the anaclasis that described first incidence surface enters described lens
Penetrate,
By described second incidence surface enter described lens light through described reflective surface to described exiting surface and by described go out
Outgoing after bright finish refraction.
2. lens according to claim 1 are it is characterised in that the exiting surface that is made up of described first area and second area
For a continuous arc surface protruding.
3. lens according to claim 1 are it is characterised in that the exiting surface that is made up of described first area and second area
For the curved surface of a protrusion, wherein, described first area is plane, and described second area is the curved surface of annular.
4. lens according to claim 1 are it is characterised in that described first incidence surface is the bottom surface of described host cavity, institute
State the side that the second incidence surface is described host cavity, described first incidence surface is convex surface.
5. lens according to claim 1 are it is characterised in that described reflecting surface is total internal reflection surface.
6. it is characterised in that described lens are tapered, described reflecting surface is taper seat to lens according to claim 1.
7. lens according to claim 1 are it is characterised in that described lens are axle rotational symmetry structure.
8. lens according to claim 1 are it is characterised in that described lens adopt PMMA material.
9. lens according to claim 1 are it is characterised in that described lens adopt PC material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621010775.8U CN206001401U (en) | 2016-08-30 | 2016-08-30 | A kind of lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621010775.8U CN206001401U (en) | 2016-08-30 | 2016-08-30 | A kind of lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206001401U true CN206001401U (en) | 2017-03-08 |
Family
ID=58195463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621010775.8U Active CN206001401U (en) | 2016-08-30 | 2016-08-30 | A kind of lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206001401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078475A1 (en) * | 2018-10-18 | 2020-04-23 | 欧普照明股份有限公司 | Light distribution element and lamp |
| CN113803693A (en) * | 2020-06-11 | 2021-12-17 | 西安新骊电子技术有限责任公司 | Plane lens based on total reflection principle and transmission principle |
-
2016
- 2016-08-30 CN CN201621010775.8U patent/CN206001401U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078475A1 (en) * | 2018-10-18 | 2020-04-23 | 欧普照明股份有限公司 | Light distribution element and lamp |
| CN113803693A (en) * | 2020-06-11 | 2021-12-17 | 西安新骊电子技术有限责任公司 | Plane lens based on total reflection principle and transmission principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |