CN104676473A - Lens and lamp using same - Google Patents
Lens and lamp using same Download PDFInfo
- Publication number
- CN104676473A CN104676473A CN201310631260.4A CN201310631260A CN104676473A CN 104676473 A CN104676473 A CN 104676473A CN 201310631260 A CN201310631260 A CN 201310631260A CN 104676473 A CN104676473 A CN 104676473A
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- China
- Prior art keywords
- light
- plane
- incidence
- lens
- exit facet
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a lens. The lens comprises a light incoming surface, a light reflecting surface, a light outgoing surface and a connecting surface; the light incoming surface and the light reflecting surface are respectively positioned at two opposite ends of the lens; the light incoming surface, the connecting surface, the light outgoing surface and the light reflecting surface are sequentially connected; the light incoming surface comprises a first incoming surface and a second incoming surface; the light outgoing surface comprises a first outgoing surface and a second outgoing surface; light incoming in the first incoming surface is refracted and then enters the light reflecting surface to be reflected, the reflected light incomes the first outgoing surface to be refracted again, the light incoming in the second incoming surface is refracted and then enters the second outgoing surface to be refracted again, and the refracted light is overlapped with the light outgoing from the first outgoing surface and then emitted out. The invention further provides a lamp using the lens.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of lens and apply the light fixture of described lens.
Background technology
Light emitting diode (light emitting diode, LED) as can be the semiconductor of luminous energy by electric energy conversion, the advantage such as high with its efficiency, energy consumption is low, the life-span is long is widely used in various lighting, as flashlight, mine lamp navigational lighting aid system etc., these light fixtures have become indispensable illumination utensil in people's life, work.These light fixtures generally comprise the assemblies such as housing, light source, reflective mirror, lampshade, this light source and reflective mirror are installed in described housing, this reflective mirror can reflect the light that described light source sends, this lampshade is installed on described housing, and by described light source and mirror package in described housing, the light of the light that described light source is launched and this mirror reflection is projected away by this lampshade.
In existing system for aerial navigation on airport, taxiway edge light, low light intensity obstruction light, sliding guided indicating sign, navigational lighting aid monitoring system imitation screen etc. have employed LED as illumination, display light source.But for whole voyage aid of the airport navigation light system, have as lead-in-light system, access area lamp etc. and necessarily partially penetrate angle requirement.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide and there is deviated light and the strong lens of luminosity.
The present invention also provides a kind of light fixture applying described lens.
In order to solve the problems of the technologies described above, the invention provides a kind of lens, it comprises plane of light incidence, light reflection face, beam projecting face and joint face, described plane of light incidence and described light reflection face lay respectively at the opposite end of lens, described plane of light incidence, joint face, beam projecting face and light reflection face connect successively, described plane of light incidence comprises first plane of incidence and second plane of incidence, and described beam projecting face comprises the first exit facet and the second exit facet; Described light reflection face is incided after the light injecting described first plane of incidence is refracted, again reflect after inciding described first exit facet after reflection, again reflect after inciding described second exit facet after the light injecting described second plane of incidence is refracted, mutually superpose injection with the light of described first exit facet of injection.
Wherein, described lens are made up of optical-grade polymethylmethacrylacontinuous material jetting formation process.
Wherein, described first plane of incidence is an inner concave, and it connects the inner periphery of described second plane of incidence.
Wherein, described second plane of incidence is the anchor ring tilted to described first plane of incidence, and its inner periphery connects described first plane of incidence, and excircle connects the inner periphery of described joint face.
Wherein in, described first exit facet and described second exit facet are arcwall face, and have little circumferential end and be connected; The excircle of described first exit facet connects the excircle in described light reflection face, and described second exit facet excircle connects the excircle of described joint face.
Wherein, described lens also comprise the exit plane being positioned at lens axis center, and described light reflection face is circular concave surface, and its inner periphery is that an inclination angle is connected to described exit plane periphery, and excircle connects described first exit facet.
Wherein, described lens also comprise accommodating cavity, and described accommodating cavity is surrounded by described plane of light incidence.
Wherein, described joint face is plane.
The invention still further relates to a kind of light fixture, it comprises light source and upper described lens, described light reflection face is incided after the light that the light of described light source injects described first plane of incidence is refracted, again reflect after inciding described first exit facet after reflection, again reflect after inciding described second exit facet after the light injecting described second plane of incidence is refracted, mutually superpose injection with the light of described first exit facet of injection.
Wherein, described lens one end offers accommodating cavity, and this accommodating cavity is surrounded by described plane of light incidence, and the illuminating part of described light source is placed in this accommodating cavity, and its light sent exposes on this plane of light incidence.
Lens of the present invention incide described first exit facet after the light that described light source sends is totally reflected by described light reflection face; And the strong illumination region after this first exit facet place reflects again about degree of being formed; Incide described second exit facet place after this second plane of incidence place reflects, and form strong illumination region after this second exit facet place reflects again; The light beam sent from the first exit facet and the second exit facet superposes last formation half light intensity light beam mutually, meets polarizing angle and the illuminance of light fixture generation.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic perspective view of the light fixture that the embodiment of the present invention provides.
Fig. 2 is another angle schematic diagram of the light fixture shown in Fig. 1.
Fig. 3 is the floor map of the light fixture shown in Fig. 1.
Fig. 4 is the phantom of the light fixture shown in Fig. 3.
Fig. 5 is the distribution curve flux figure (polar form) of the light fixture that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, embodiment of the present invention provides a kind of light fixture, the lightings such as it can be mine lamp, airfield aid, and in embodiments of the present invention, this light fixture is illustrated for aid-to-navigation light.Described light fixture comprises light source 20 and the lens 40 that arrange corresponding to described light source 20, and described lens 40 constitute the light distributing system of this light fixture, and it can form the emergent light of required optically focused angle, meets the requirement to luminous intensity distribution design in described light fixture.Described light source 20 can need according to illumination the light launching respective color, brightness, and expose on described lens 40, this lens 40 optical treatment (as reflection, refraction) from as described in the light of light source 20, thus on face to be illuminated, form the emergent light of required half light intensity angle.
In embodiments of the present invention, described light fixture also comprises the assemblies such as lamp casing, heat sink, driven unit, lampshade, described lamp casing is as the main body of this light fixture, it is for holding the lamp assemblies such as described light source 20, lens 40, heat sink, driven unit in the inner, described lampshade removably covers on this lamp casing, and then is packaged in described lamp casing by the lamp assemblies such as described light source 20, lens 40, heat sink, driven unit.
See also Fig. 3 and Fig. 4, described light source 20 can be light emitting diode (light emitting diode, LED) chip, its by the mode such as surface mount, welding be installed on described heat sink (as, aluminium base) on, the heat conduction produced when this light source 20 can work by this heat sink sheds.Described light source 20 comprises illuminating part 22, and this illuminating part 22 is positioned at described lens 40, and its light sent exposes on described lens 40, and is undertaken reflecting or reflecting by the surface of these lens 40.
In embodiments of the present invention, described lens 40 entirety is roughly in circle drum type, and it can be made up of polymethyl methacrylate (PolymethylMethacrylate, PMMA) material.Particularly, these lens 40 can be made up of optical grade PMMA material jetting formation process.Described lens 40 can be astigmat, and its surface comprises plane of light incidence 42, beam projecting face 43, exit plane 44, light reflection face 45 and joint face 46.Connected by described exit plane 44 transition between described two light reflection faces 45.Described plane of light incidence 42 and described light lay respectively at the opposite end of lens 40, and described beam projecting face 43 connects between described plane of light incidence 42 and described joint face 46.Described plane of light incidence 42 is connected by the transition of described joint face 46 with between beam projecting face 43, and described plane of light incidence 42, beam projecting face 43, exit plane 44, two light reflection faces 45 and joint face 46 form the outer surface of described lens 40.
In embodiments of the present invention, described lens 40 offer accommodating cavity 47, this accommodating cavity 47 is opened in the light end (one end that namely area is less) of these lens 40, and described light source 20 aims at this accommodating cavity 47, and the illuminating part 22 of this light source 20 is placed in this accommodating cavity 47.Described plane of light incidence 42 defines described accommodating cavity 47.Described joint face 46 is the side of described lens 40.In embodiments of the present invention, described joint face 46 is a ring dress plane, and it is for being loaded on described lamp casing by described lens 40.
In an embodiment of the present invention, described plane of light incidence 42 comprises first plane of incidence 422 and second plane of incidence 423.Described first plane of incidence 422 is an inner concave, and it connects the inner periphery of described second plane of incidence 423, thus surrounds described accommodating cavity 47.The light that the illuminating part 22 being positioned at this accommodating cavity 47 sends exposes on this plane of light incidence 42.The some light that described light source 20 sends incides described light reflection face 45 place after this first plane of incidence 422 place reflects, and incide described beam projecting face 43 after this light reflection face 45 place is totally reflected, and after this beam projecting face 43 place reflects again, form the light injection (light as shown in Figure 5 1. with light 2.) of required optically focused angle.Described second plane of incidence 423 is the anchor ring tilted to described first plane of incidence 422, and its inner periphery connects described first plane of incidence 422, and excircle connects the inner periphery of described joint face 46.The some light that described light source 20 sends incides described beam projecting face 43 place after this second plane of incidence 423 place reflects, and after this beam projecting face 43 place reflects again, form the light injection (light as shown in Figure 5 3. with light 4.) of required optically focused angle.
In embodiments of the present invention, described exit plane 44 is positioned at a plane relative with described light source 20 center, and its two ends and optical axis produce angle in ± 5 ° of intervals.The some light that described light source 20 sends incides described exit plane 44 after this first plane of incidence 422 place reflects, after second time refraction occurs at exit plane 44 place, form the faint field of illumination of about 10 ° (being namely ± 5 ° of intervals with optical axis included angle), this area illumination relative lens integral illumination is negligible.Light reflection face 45 is in circular concave surface, and it is positioned at the larger one end of the area of described lens 40.In described light reflection face 45, annulus is that an inclination angle is connected to described exit plane 44 periphery, forms side and is roughly V-structure.Light incident light line reflection face 45 place after described plane of light incidence 42 of described light source 20, then be totally reflected through described light reflection face 45.
In embodiments of the present invention, described beam projecting face 43 is a curved surface, and it connects described light reflection face 45 and is positioned at described lens 40 excircle with joint face 46.Described beam projecting face 43 comprises the first exit facet 432 and the second exit facet 434.Described first exit facet 432 outer toroid connects the excircle in described light reflection face 45, and described second exit facet 434 outer toroid connects the excircle of described joint face 46.Described first exit facet 432 is arcwall face with described second exit facet 434, and less circumference is connected.Be specially, described light source 20 is emitted in ± and the some light in 2 ° ~ ± 60 ° of regions incides described light reflection face 45 place after this first plane of incidence 422 place reflects, and described first exit facet 432 is incided after this light reflection face 45 place is totally reflected, and (namely be ± 80 ° ~ ± 90 ° intervals with optical axis included angle) strong illumination region of about 10 ° is formed after this first exit facet 432 place reflects again, namely the light of required optically focused angle penetrates (light as shown in Figure 5 1. with light 2.).Described light source 20 sends ± and the light light splitter in 60 ° ~ ± 90 ° of regions incides described second exit facet 434 place after this second plane of incidence 423 place reflects, and (namely be ± 80 ° ~ ± 90 ° intervals with optical axis included angle) strong illumination region of about 10 ° is formed after this second exit facet 434 place reflects again, namely the light of required optically focused angle penetrates (light as shown in Figure 5 3. with light 4.).The light beam sent from the first exit facet 432 and the second exit facet 434 superposes that last to form half light intensity angle be the light beam of 10 mutually, and being distributed in optical axis included angle is in the interval of ± 80 ° ~ ± 90 °.
See also Fig. 1 to Fig. 5, during use, described light source 20 is installed on described heat sink (e.g., aluminium base) by the mode such as surface mount, welding, and after energising, this light source 20 needs according to illumination the light sending respective color and brightness.The illuminating part 22 of described light source 20 is placed in described accommodating cavity 47, and aims at described plane of light incidence 42.The some light that described light source 20 sends incides described exit plane 44 after this first plane of incidence 422 place reflects, after second time refraction occurs at exit plane 44 place, form the faint field of illumination of about 10 ° (being namely ± 5 ° of intervals with optical axis included angle), this area illumination relative lens integral illumination is negligible.Described light source 20 is emitted in ± and the some light in 2 ° ~ ± 60 ° of regions incides described light reflection face 45 place after this first plane of incidence 422 place reflects, and described first exit facet 432 is incided after this light reflection face 45 place is totally reflected, and (namely be ± 80 ° ~ ± 90 ° intervals with optical axis included angle) strong illumination region of about 10 ° is formed after this first exit facet 432 place reflects again, namely the light of required optically focused angle penetrates (light as shown in Figure 5 1. with light 2.).Described light source 20 sends ± and the light light splitter in 60 ° ~ ± 90 ° of regions incides described second exit facet 434 place after this second plane of incidence 423 place reflects, and (namely be ± 80 ° ~ ± 90 ° intervals with optical axis included angle) strong illumination region of about 10 ° is formed after this second exit facet 434 place reflects again, namely the light of required optically focused angle penetrates (light as shown in Figure 5 3. with light 4.).Therefore, described light fixture finally can form light intensity as shown in Figure 5, and wherein, half luminous light intensity angle is approximately 10 °.The light beam sent from the first exit facet 432 and the second exit facet 434 superposes that last to form half light intensity angle be the light beam of 10 mutually, and being distributed in optical axis included angle is in the interval of ± 80 ° ~ ± 90 °; Meet polarizing angle and the illuminance of light fixture generation.Be understandable that; above-mentioned design is only this one of them specific embodiment of lens 40; the application is not restricted to above-mentioned design; the size of these lens 40 designs according to the physical dimension of described light fixture; as long as the design parameter meeting this optical property, all within the application's protection domain, does not repeat them here.
In sum, in light fixture provided by the present invention, the structure of described lens 40 is simple, and the light that described light source 20 sends incides described first exit facet 432 after being totally reflected by described light reflection face 45; And after this first exit facet 432 place reflects again, form the strong illumination region of about 10 °; Incide described second exit facet 434 place after this second plane of incidence 423 place reflects, and form the strong illumination region of about 10 ° after this second exit facet 434 place reflects again; The light beam sent from the first exit facet 432 and the second exit facet 434 superposes that last to form half light intensity angle be the light beam of 10 mutually, and being distributed in optical axis included angle is meet the polarizing angle and illuminance that light fixture produces in the interval of ± 80 ° ~ ± 90 °.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. lens, it is characterized in that, described lens comprise plane of light incidence, light reflection face, beam projecting face and joint face, described plane of light incidence and described light reflection face lay respectively at the opposite end of lens, described plane of light incidence, joint face, beam projecting face and light reflection face connect successively, described plane of light incidence comprises first plane of incidence and second plane of incidence, and described beam projecting face comprises the first exit facet and the second exit facet; Described light reflection face is incided after the light injecting described first plane of incidence is refracted, again reflect after inciding described first exit facet after reflection, again reflect after inciding described second exit facet after the light injecting described second plane of incidence is refracted, mutually superpose injection with the light of described first exit facet of injection.
2. lens according to claim 1, is characterized in that, described lens are made up of optical-grade polymethylmethacrylacontinuous material jetting formation process.
3. lens according to claim 1, is characterized in that, described first plane of incidence is an inner concave, and it connects the inner periphery of described second plane of incidence.
4. lens according to claim 3, is characterized in that, described second plane of incidence is the anchor ring tilted to described first plane of incidence, and its inner periphery connects described first plane of incidence, and excircle connects the inner periphery of described joint face.
5. lens according to claim 4, is characterized in that, described first exit facet and described second exit facet are arcwall face, and have little circumferential end and be connected; The excircle of described first exit facet connects the excircle in described light reflection face, and described second exit facet excircle connects the excircle of described joint face.
6. lens according to claim 5, it is characterized in that, described lens also comprise the exit plane being positioned at lens axis center, and described light reflection face is circular concave surface, its inner periphery is that an inclination angle is connected to described exit plane periphery, and excircle connects described first exit facet.
7. lens according to claim 1, is characterized in that, described lens also comprise accommodating cavity, and described accommodating cavity is surrounded by described plane of light incidence.
8. lens according to claim 1, is characterized in that, described joint face is plane.
9. a light fixture, it comprises light source, it is characterized in that, described light fixture also comprises the lens as described in claim 1-8, described light reflection face is incided after the light that the light of described light source injects described first plane of incidence is refracted, again reflect after inciding described first exit facet after reflection, again reflect after inciding described second exit facet after the light injecting described second plane of incidence is refracted, mutually superpose injection with the light of described first exit facet of injection.
10. light fixture according to claim 9, is characterized in that, described lens one end offers accommodating cavity, and this accommodating cavity is surrounded by described plane of light incidence, and the illuminating part of described light source is placed in this accommodating cavity, and its light sent exposes on this plane of light incidence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310631260.4A CN104676473A (en) | 2013-11-29 | 2013-11-29 | Lens and lamp using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310631260.4A CN104676473A (en) | 2013-11-29 | 2013-11-29 | Lens and lamp using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104676473A true CN104676473A (en) | 2015-06-03 |
Family
ID=53311873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310631260.4A Pending CN104676473A (en) | 2013-11-29 | 2013-11-29 | Lens and lamp using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104676473A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333318A (en) * | 2015-12-01 | 2016-02-17 | 漳州立达信光电子科技有限公司 | Light emitting diode (LED) lighting device with large angles |
| CN106369478A (en) * | 2015-08-28 | 2017-02-01 | 吴素贞 | Energy-saving and environment-friendly lamp |
| CN106382500A (en) * | 2015-08-28 | 2017-02-08 | 中山市四维家居照明有限公司 | Durable LED (Light-Emitting Diode) lamp bulb |
| WO2018196562A1 (en) * | 2017-04-26 | 2018-11-01 | 苏州欧普照明有限公司 | Lens and illuminating device using same |
| CN108919470A (en) * | 2018-09-13 | 2018-11-30 | 深圳创维－Rgb电子有限公司 | A kind of light path converting camera lens |
| CN111578233A (en) * | 2020-04-23 | 2020-08-25 | 陕西锐士电子技术有限公司 | Anti-collision lamp |
| CN112303594A (en) * | 2019-07-31 | 2021-02-02 | 安徽芯瑞达科技股份有限公司 | Optical lens, light-emitting device and display |
| CN112303593A (en) * | 2019-07-31 | 2021-02-02 | 安徽芯瑞达科技股份有限公司 | Optical lens, light-emitting device and display |
-
2013
- 2013-11-29 CN CN201310631260.4A patent/CN104676473A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369478A (en) * | 2015-08-28 | 2017-02-01 | 吴素贞 | Energy-saving and environment-friendly lamp |
| CN106382500A (en) * | 2015-08-28 | 2017-02-08 | 中山市四维家居照明有限公司 | Durable LED (Light-Emitting Diode) lamp bulb |
| CN105333318A (en) * | 2015-12-01 | 2016-02-17 | 漳州立达信光电子科技有限公司 | Light emitting diode (LED) lighting device with large angles |
| WO2018196562A1 (en) * | 2017-04-26 | 2018-11-01 | 苏州欧普照明有限公司 | Lens and illuminating device using same |
| US11193650B2 (en) | 2017-04-26 | 2021-12-07 | Opple Lighting Co., Ltd. | Lens and illuminating device employing the same |
| CN108919470A (en) * | 2018-09-13 | 2018-11-30 | 深圳创维－Rgb电子有限公司 | A kind of light path converting camera lens |
| CN112303594A (en) * | 2019-07-31 | 2021-02-02 | 安徽芯瑞达科技股份有限公司 | Optical lens, light-emitting device and display |
| CN112303593A (en) * | 2019-07-31 | 2021-02-02 | 安徽芯瑞达科技股份有限公司 | Optical lens, light-emitting device and display |
| CN111578233A (en) * | 2020-04-23 | 2020-08-25 | 陕西锐士电子技术有限公司 | Anti-collision lamp |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150603 |