CN206419885U - A kind of low-angle lens for receiving secondary hot spot - Google Patents
A kind of low-angle lens for receiving secondary hot spot Download PDFInfo
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- CN206419885U CN206419885U CN201621479807.9U CN201621479807U CN206419885U CN 206419885 U CN206419885 U CN 206419885U CN 201621479807 U CN201621479807 U CN 201621479807U CN 206419885 U CN206419885 U CN 206419885U
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- reflecting surface
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- hot spot
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Abstract
The utility model describes a kind of low-angle lens for receiving secondary hot spot, including lens body, the exiting surface that light is projected into the plane of incidence inside lens body, for lens body internal light is provided with lens body, foveal reflex face A, reflecting surface B, reflecting surface C are respectively arranged between the plane of incidence and exiting surface；The light of core is refracted into after lens body direct irradiation on the A of foveal reflex face by the plane of incidence, reflecting surface B is reflexed to through foveal reflex face A, exiting surface is reflexed to by reflecting surface B again, most reflecting surface C is reflexed to through exiting surface afterwards, through exiting surface outgoing after being reflected at C.The light-distribution lens of this programme are controlled central part light splitter and high angle scattered light respectively, by the way that conventional lenses core light and high angle scattered light are reflexed into bigbore place through exiting surface, secondary hot spot is tightened up while low-angle luminous intensity distribution is realized, lens overall weight is light, handsome in appearance.
Description
Technical field
The utility model is related to a kind of low-angle lens, more particularly to a kind of low-angle lens for receiving secondary hot spot.
Background technology
Low-angle light fixture is widely used in stage lighting, wall lamp, transmission lamp, landscape decorating lamp, small flashlight, desk lamp etc.
Application scenario, in order that the uniform light that light source is sent is distributed in low-angle, meets the demand of application scenario, it usually needs be light
Source collocation light-distribution lens, are changed the propagation path of light using lens, finally give and meet the illumination region that people are actually needed.
The existing lens for realizing low-angle luminous intensity distribution, the problem of generally existing pair hot spot is serious, although half light intensity angle does small,
But there is very big secondary hot spot beyond main spot, for accent light and Illuminative for sign, it is impossible to realize half light intensity angle it is small and
Hot spot ends obvious effect.To solve disadvantages described above, the existing plated film generally outside lens, but coating cost is high and can only receive one
Divide secondary hot spot.
Utility model content
To solve the defect that existing low-angle light-distribution lens have secondary hot spot, the utility model spy's offer is a kind of to receive secondary light
The low-angle lens of spot.
The technical solution of the utility model is as follows：
Light is provided with into lens sheet in a kind of low-angle lens for receiving secondary hot spot, including lens body, lens body
The plane of incidence in internal portion, the exiting surface projected for lens body internal light, in being respectively arranged between the plane of incidence and exiting surface
Oculo cardiac reflex face A, reflecting surface B, reflecting surface C；The light of core is refracted into direct irradiation after lens body by the plane of incidence and existed
On the A of foveal reflex face, reflecting surface B is reflexed to through foveal reflex face A, then exiting surface is reflexed to by reflecting surface B, most afterwards through exiting surface
Reflecting surface C is reflexed to, through exiting surface outgoing after being reflected at reflecting surface C.High angle scattered light is refracted into lens sheet by the plane of incidence
Exiting surface is shone directly into after body, reflecting surface C is reflexed to through exiting surface, through exiting surface outgoing after being reflected at reflecting surface C.We
The light-distribution lens of case are controlled central part light splitter and high angle scattered light respectively, by by conventional lenses core light
Bigbore place is reflexed to through exiting surface with high angle scattered light, secondary hot spot is tightened up while low-angle luminous intensity distribution is realized, thoroughly
Mirror overall weight is light, handsome in appearance.
As preferred structure of the present utility model, the reflecting surface C includes the first reflecting surface and second arranged in ladder
Reflecting surface, the first reflecting surface is close to the plane of incidence, and the second reflecting surface is close to exiting surface, and the first reflecting surface, the second reflecting surface are to set
Put the dentation reflecting surface on the wall of lens body side.Core light will be reflexed on the first reflecting surface through exiting surface, big angle
Degree light will reflex to the second reflecting surface through exiting surface, in this programme, and reflecting surface C includes the first reflecting surface and the second reflection
Face, is controlled the core light and high angle scattered light for entering lens body, improves the control of lens on light line respectively
Ability processed, it is ensured that effect is tightened up to secondary hot spot.The setting of dentation reflecting surface can reflect high angle scattered light, reduce wide-angle
The angle of light.
Further, lens body lower surface centre position offers the groove A with axial symmetry indent, and groove A's is each interior
Wall constitutes the plane of incidence.
Further, lens body upper surface centre position offers the groove B with axial symmetry indent, groove B's
Outer wall constitutes foveal reflex face A, and foveal reflex face A is fully reflecting surface.In this programme, foveal reflex face A is fully reflecting surface, is made
The light that must be irradiated onto on center line reflecting surface A can be reflexed to all on reflecting surface B, can't reflect light, improved
The control ability of lens on light line, has also ensured the uniformity of illumination region.
For the utility model is better achieved, the lower surface of the lens body, which is located on the outside of groove A, offers abnormal shape
Annular groove, special-shaped annular groove constitutes reflecting surface B close to groove A side cell wall.
Further, the groove A, the inwall of special-shaped annular groove are free form surface.Free form surface is a kind of complicated, no
Rule, non-rotating type curved surface, with the larger free degree, can realize more excellent optical property.It is recessed in this programme
Groove A, the inwall of special-shaped annular groove use free form surface, can integrate the ray difference being radiated at thereon again, are improving to light
Control ability while also have even light effect.
For the utility model is better achieved, the bottom land micro-structural of the special-shaped annular groove is cloudy surface.It is special-shaped in this programme
The setting of annular groove reduces material, the good appearance of lens.The micro-structural of bottom land is cloudy surface, so that the lower surface of lens die
Structure processing technology is changed to minute surface spark discharge, and convenient injection greatly increases mould processing efficiency.
In summary, the beneficial effects of the utility model are：
1st, the light-distribution lens of this programme are controlled central part light splitter and high angle scattered light respectively, by will tradition thoroughly
Mirror core light and high angle scattered light reflex to bigbore place through exiting surface, while low-angle luminous intensity distribution is realized
Secondary hot spot is tightened up, lens overall weight is light, handsome in appearance.
2nd, core light will be reflexed on the first reflecting surface through exiting surface, and high angle scattered light will be reflexed to through exiting surface
Second reflecting surface, in this programme, reflecting surface C includes the first reflecting surface and the second reflecting surface, the center to entering lens body
Some light and high angle scattered light are controlled respectively, improve the control ability of lens on light line, it is ensured that to secondary hot spot
Tighten up effect.The setting of dentation reflecting surface can reflect high angle scattered light, reduce the angle of high angle scattered light.
3rd, foveal reflex face A is fully reflecting surface so that the light being irradiated onto on center line reflecting surface A can all be reflected
Onto reflecting surface B, light can't be reflected, the control ability of lens on light line is improved, the equal of illumination region has also been ensured
Even property.
4th, free form surface is a kind of complicated, irregular, non-rotating type curved surface, with the larger free degree, can be real
Now more excellent optical property.Groove A, the inwall of special-shaped annular groove in this programme use free form surface, will can be radiated at
Ray difference thereon is integrated again, the effect also while the control ability to light is improved with even light.
5th, the setting of special-shaped annular groove reduces material, the good appearance of lens.The micro-structural of special-shaped annular groove bottom land is cloudy surface,
So that the lower surface configuration processing technology of lens die is changed to minute surface spark discharge, convenient injection greatly increases mould
Has processing efficiency.
Brief description of the drawings
Fig. 1 is a kind of a kind of structural representation for the low-angle lens for receiving secondary hot spot；
Fig. 2 is a kind of another structural representation for the low-angle lens for receiving secondary hot spot；
Fig. 3 is a kind of sectional view for the low-angle lens for receiving secondary hot spot；
Fig. 4 is a kind of opticpath figure for the low-angle lens for receiving secondary hot spot；
Parts title wherein corresponding to reference is as follows：In 1- lens bodies, the 2- planes of incidence, 3- exiting surfaces, 4-
The reflecting surface of oculo cardiac reflex face A, 5- reflecting surface B, 6- reflecting surface C, 7- first, the reflectings surface of 8- second, 9- grooves A, 10- groove B, 11-
Special-shaped annular groove.
Embodiment
For the utility model is better achieved, below in conjunction with the accompanying drawings and specific embodiment the utility model is done further in detail
Carefully illustrate, but embodiment of the present utility model is not limited to this.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of low-angle lens for receiving secondary hot spot, including lens body 1, lens body
The exiting surface 3 that light is projected into the plane of incidence 2 inside lens body 1, for the internal light of lens body 1 is provided with 1, is entered
Penetrate and foveal reflex face A4, reflecting surface B5, reflecting surface C6 are respectively arranged between face 2 and exiting surface 3；
The light of core is refracted into direct irradiation after lens body 1 by the plane of incidence 2 and on the A4 of foveal reflex face, passed through
Foveal reflex face A4 reflexes to reflecting surface B5, then reflexes to exiting surface 3 by reflecting surface B5, most reflexes to reflection through exiting surface 3 afterwards
Face C6, through the outgoing of exiting surface 3 after being reflected at reflecting surface C6.
High angle scattered light is refracted into after lens body 1 by the plane of incidence 2 and shines directly into exiting surface 3, is reflected through exiting surface 3
To reflecting surface C6, through the outgoing of exiting surface 3 after being reflected at reflecting surface C6.
The light-distribution lens of the present embodiment are controlled central part light splitter and high angle scattered light respectively, by will tradition thoroughly
Mirror core light and high angle scattered light reflex to bigbore place through exiting surface 3, are realizing the same of low-angle luminous intensity distribution
When tighten up secondary hot spot, lens overall weight is light, handsome in appearance.
As preferred structure of the present utility model, the reflecting surface C6 includes the first reflecting surface 7 arranged in ladder and the
Two reflectings surface 8, the first reflecting surface 7 is close to the plane of incidence 2, and the second reflecting surface 8 is close to exiting surface 3, the reflection of the first reflecting surface 7, second
Face 8 is the dentation reflecting surface being arranged on the side wall of lens body 1.It is anti-that core light will reflex to first through exiting surface 3
Penetrate on face 7, high angle scattered light will reflex to the second reflecting surface 8 through exiting surface 3, in the present embodiment, reflecting surface C6 includes first
The reflecting surface 8 of reflecting surface 7 and second, is controlled the core light and high angle scattered light for entering lens body 1, is carried respectively
The high control ability of lens on light line, it is ensured that effect is tightened up to secondary hot spot.The setting of dentation reflecting surface can be reflected greatly
Angle light, reduces the angle of high angle scattered light.
Further, the lower surface centre position of lens body 1 offers the groove A9 with axial symmetry indent, and groove A9's is each
Inwall constitutes the plane of incidence 2.
Further, the upper surface centre position of lens body 1 offers the groove B10 with axial symmetry indent, groove
B10 outer wall constitutes foveal reflex face A4, and foveal reflex face A4 is fully reflecting surface.In the present embodiment, foveal reflex face A4 is
Fully reflecting surface so that the light being irradiated onto on center line reflecting surface A4 can be reflexed to all on reflecting surface B5, can't be rolled over
Light is projected, the control ability of lens on light line is improved, has also ensured the uniformity of illumination region.
To be better achieved the utility model, the lower surface of the lens body 1 be located on the outside of groove A9 offer it is different
Type annular groove 11, special-shaped annular groove 11 constitutes reflecting surface B5 close to groove A9 side cell wall.
For the utility model is better achieved, the groove A9, the inwall of special-shaped annular groove 11 are free form surface.It is freely bent
Face is a kind of complicated, irregular, non-rotating type curved surface, with the larger free degree, can realize more excellent optics
Performance.Groove A9 inwalls in the present embodiment, the special-shaped outer wall of annular groove 11 use free form surface, can will be radiated at light thereon
Differential is integrated again, the effect also while the control ability to light is improved with even light.
For the utility model is better achieved, the bottom land micro-structural of the special-shaped annular groove 11 is cloudy surface.In the present embodiment,
The setting of special-shaped annular groove 11 reduces material, the good appearance of lens.The micro-structural of the special-shaped bottom land of annular groove 11 is cloudy surface, so that
The lower surface configuration processing technology of lens die is changed to minute surface spark discharge, and convenient injection greatly increases mould processing
Efficiency.
Embodiment 1
Light, which is provided with, in a kind of low-angle lens for receiving secondary hot spot, including lens body 1, lens body 1 enters lens
The plane of incidence 2 inside body 1, the exiting surface 3 for the injection of the internal light of lens body 1, between the plane of incidence 2 and exiting surface 3 respectively
It is provided with foveal reflex face A4, reflecting surface B5, reflecting surface C6；
The light of core is refracted into direct irradiation after lens body 1 by the plane of incidence 2 and on the A4 of foveal reflex face, passed through
Foveal reflex face A4 reflexes to reflecting surface B5, then reflexes to exiting surface 3 by reflecting surface B5, most reflexes to reflection through exiting surface 3 afterwards
Face C6, through the outgoing of exiting surface 3 after being reflected at reflecting surface C6.
High angle scattered light is refracted into after lens body 1 by the plane of incidence 2 and shines directly into exiting surface 3, is reflected through exiting surface 3
To reflecting surface C6, through the outgoing of exiting surface 3 after being reflected at reflecting surface C6.
Embodiment 2
The present embodiment is on the basis of embodiment 1, and the reflecting surface C6 includes the first reflecting surface 7 and the arranged in ladder
Two reflectings surface 8, the first reflecting surface 7 is close to the plane of incidence 2, and the second reflecting surface 8 is close to exiting surface 3, the reflection of the first reflecting surface 7, second
Face 8 is the dentation reflecting surface being arranged on the side wall of lens body 1.
Embodiment 3
The present embodiment is on the basis of embodiment 1 or embodiment 2, and the lower surface centre position of lens body 1 is offered with axle
The groove A9 of symmetrical indent, groove A9 each inwall constitute the plane of incidence 2.
Embodiment 4
The present embodiment is on the basis of embodiment 1 or embodiment 2 or embodiment 3, the upper surface interposition of lens body 1
The groove B10 offered with axial symmetry indent is put, groove B10 outer wall constitutes foveal reflex face A4, and foveal reflex face A4 is complete
Reflecting surface.
Embodiment 5
The present embodiment is on the basis of embodiment 3 or embodiment 4, and the lower surface of the lens body 1 is located at groove A9's
Outside offers special-shaped annular groove 11, and special-shaped annular groove 11 constitutes reflecting surface B5 close to groove A9 side cell wall.
Embodiment 6
The present embodiment is on the basis of embodiment 5, and the groove A9, the inwall of special-shaped annular groove 11 are free form surface.
Embodiment 7
The present embodiment in embodiment 1 into embodiment 6 on the basis of any one, the micro- knot of bottom land of the special-shaped annular groove 11
Structure is cloudy surface.
As described above, the utility model can be realized preferably.
Claims (7)
1. a kind of low-angle lens for receiving secondary hot spot, it is characterised in that：Including lens body (1), lens body is provided with (1)
The exiting surface (3) that light enters the internal plane of incidence (2) of lens body (1), projected for lens body (1) internal light, enters
Penetrate and foveal reflex face A (4), reflecting surface B (5), reflecting surface C (6) are respectively arranged between face (2) and exiting surface (3)；
The light of core by the plane of incidence (2) be refracted into lens body (1) afterwards direct irradiation on foveal reflex face A (4),
Reflecting surface B (5) is reflexed to through foveal reflex face A (4), then exiting surface (3) is reflexed to by reflecting surface B (5), most afterwards through exiting surface
(3) reflecting surface C (6) is reflexed to, through exiting surface (3) outgoing after being reflected at reflecting surface C (6) place；
High angle scattered light is refracted into after lens body (1) by the plane of incidence (2) and shines directly into exiting surface (3), through exiting surface (3)
Reflecting surface C (6) is reflexed to, through exiting surface (3) outgoing after being reflected at reflecting surface C (6) place.
2. a kind of low-angle lens for receiving secondary hot spot according to claim 1, it is characterised in that：Reflecting surface C (6) bag
The first reflecting surface (7) and the second reflecting surface (8) arranged in ladder are included, the first reflecting surface (7) is close to the plane of incidence (2), and second is anti-
Face (8) is penetrated close to exiting surface (3), the first reflecting surface (7), the second reflecting surface (8) are to be arranged on the wall of lens body (1) side
Dentation reflecting surface.
3. a kind of low-angle lens for receiving secondary hot spot according to claim 1, it is characterised in that：Lens body (1) lower end
Face centre position offers the groove A (9) with axial symmetry indent, and groove A (9) each inwall constitutes the plane of incidence (2).
4. a kind of low-angle lens for receiving secondary hot spot according to claim 1, it is characterised in that：The lens body (1)
Upper surface centre position offers the groove B (10) with axial symmetry indent, and groove B (10) outer wall constitutes foveal reflex face A
(4), foveal reflex face A (4) is fully reflecting surface.
5. a kind of low-angle lens for receiving secondary hot spot according to claim 3, it is characterised in that：The lens body (1)
Lower surface be located on the outside of groove A (9) and offer special-shaped annular groove (11), a side channel of the special-shaped annular groove (11) close to groove A (9)
Wall constitutes reflecting surface B (5).
6. a kind of low-angle lens for receiving secondary hot spot according to claim 5, it is characterised in that：It is the groove A (9), different
The inwall of type annular groove (11) is free form surface.
7. a kind of low-angle lens for receiving secondary hot spot according to claim 5, it is characterised in that：The special-shaped annular groove (11)
Bottom land micro-structural be cloudy surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479807.9U CN206419885U (en) | 2016-12-30 | 2016-12-30 | A kind of low-angle lens for receiving secondary hot spot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479807.9U CN206419885U (en) | 2016-12-30 | 2016-12-30 | A kind of low-angle lens for receiving secondary hot spot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206419885U true CN206419885U (en) | 2017-08-18 |
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ID=59574441
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621479807.9U Active CN206419885U (en) | 2016-12-30 | 2016-12-30 | A kind of low-angle lens for receiving secondary hot spot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206419885U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084203A (en) * | 2018-09-04 | 2018-12-25 | 欧普照明股份有限公司 | A kind of illuminator and illumination module and lens |
| CN109654455A (en) * | 2017-10-11 | 2019-04-19 | 北京星光影视设备科技股份有限公司 | The LED collector lens of chipless shadow |
| CN111886446A (en) * | 2018-03-07 | 2020-11-03 | 莱迪尔公司 | Optical device for changing light distribution |
-
2016
- 2016-12-30 CN CN201621479807.9U patent/CN206419885U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654455A (en) * | 2017-10-11 | 2019-04-19 | 北京星光影视设备科技股份有限公司 | The LED collector lens of chipless shadow |
| CN111886446A (en) * | 2018-03-07 | 2020-11-03 | 莱迪尔公司 | Optical device for changing light distribution |
| CN111886446B (en) * | 2018-03-07 | 2023-11-21 | 莱迪尔公司 | Optical device for changing light distribution |
| CN109084203A (en) * | 2018-09-04 | 2018-12-25 | 欧普照明股份有限公司 | A kind of illuminator and illumination module and lens |
| CN109084203B (en) * | 2018-09-04 | 2024-05-31 | 欧普照明股份有限公司 | Lighting lamp, lighting module and lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 610000 No.159, Tengfei 2nd Road, Southwest Airport Economic Development Zone, Shuangliu District, Chengdu, China (Sichuan) pilot Free Trade Zone, Chengdu Patentee after: CHENGDU HAN DE SHENG BANG OPTICAL Co.,Ltd. Address before: 610000, No. two, No. 159, Tengfei Economic Development Zone, Shuangliu County Southwest Airlines, Chengdu, Sichuan Patentee before: CHENGDU HAN DE SHENG BANG OPTICAL Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |