CN205090204U - Lighting lamp - Google Patents
Lighting lamp Download PDFInfo
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- CN205090204U CN205090204U CN201520844828.5U CN201520844828U CN205090204U CN 205090204 U CN205090204 U CN 205090204U CN 201520844828 U CN201520844828 U CN 201520844828U CN 205090204 U CN205090204 U CN 205090204U
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- light
- light source
- beam splitting
- optical axis
- splitting lens
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Abstract
The utility model provides a lighting lamp, beam splitting lens including having the optical axis follows in proper order light source and reflector that optical axis extending direction upward set up the light source with still be provided with a mixed light subassembly between the beam splitting lens, the optical axis passes the mixed light subassembly, the emergent light warp of light source the transmission extremely behind the mixed light of mixed light subassembly beam splitting lens. Set up a mixed light subassembly between light source and beam splitting lens for the emergent light of light source had just passed through once even light before kicking into beam splitting lens, so as to obtains the even grading of collimation more, had high, the low glare value of efficient, the central light intensity of optics, the even characteristics of photochromic facula. And can be according to the demand of illumination occasion, produce the grading light of various narrow in, angles pencil of ray.
Description
Technical field
The utility model relates to lighting device, particularly relates to a kind of LED illumination lamp.
Background technology
At present, LED is used for lighting to have started to popularize, and the color quality of LED requires specifically showing up also more and more higher, and the photochromic Spreading requirements in photographed object face is more and more higher, meets the hommization demand of showing up.But LED is 180 ° of luminescences, dazzle is serious, the unequal feature of hot spot effect transition, and in shop, the commercial lighting field such as odeum, meeting room, need to use narrow angle light beam, this just needs LED to coordinate the Optical System Design of focused beam.
Mixed light technology common is at present the densely arranged cooperation Fresnel Lenses adopting LED, and it is concentrated that this technology needs light source to arrange, and heat radiation is difficult to solve, and is difficult to the luminous intensity distribution realizing optimization.Another common technique adopts collimator lens array to coordinate a pair fly's-eye lens, and this required optical element is complicated, and optical efficiency is low.
Therefore, how to produce photochromic uniform collimation luminous intensity distribution light beam, be one in the urgent need to technology.
Utility model content
In order to overcome above-mentioned technological deficiency, the purpose of this utility model is to provide a kind of lighting that can produce photochromic uniform collimation luminous intensity distribution light beam.
The utility model discloses a kind of lighting, comprise the beam splitting lens with optical axis, successively along the light source that described optical axis bearing of trend is arranged and reflector, a mixed light assembly is also provided with between described light source and described beam splitting lens, described optical axis is through described mixed light assembly, and the emergent light of described light source is transmitted through described beam splitting lens after the mixed light of described mixed light assembly.
Preferably, described light source is fixed on substrate, described mixed light assembly comprises fixing mixed light support on the substrate, and the diffused component be fixed on described mixed light support, described mixed light support has along the through hollow cavity of described optical axis direction, and described hollow cavity is around described optical axis and described light source; Described diffused component is arranged between described hollow cavity and described lens, and covers described hollow cavity.
Preferably, described mixed light assembly is located at the light mixing lens on described light source, described light mixing lens and the same optical axis of described beam splitting lens.
Preferably, described light source is fixed on substrate, described light mixing lens comprises the plane of incidence near described light source, the exit facet near described beam splitting lens and connects the joint face of the described plane of incidence and described exit facet, the described plane of incidence is located on described light source, and described joint face is fixing on the substrate.
Preferably, the described plane of incidence is hemisphere face, and described exit facet is half ellipsoidal surface.
Preferably, described beam splitting lens comprises the annular bottom surface concordant with the bottom of described reflector, from the inner surface that the inner side of described bottom surface concaves, and from the cambered outwards outer surface in the outside of described bottom surface, described inner surface comprises the end face that indent is formed, and connect the side at the inner side of described bottom surface and the edge of described end face, described optical axis is through the center of described end face, optical axis described in described side surrounding, the light being incident to described side reflects to described reflector direction, the light being incident to described end face reflects to described optical axis, from the light of described side transmission after described outer surface refraction outgoing to described reflector, and gone out to be parallel to the first emergent light of described optical axis by described reflector reflects, from light outgoing after described outer surface refraction of described end face transmission, formed one near and be parallel to the second emergent light of described optical axis.
Preferably, the angle of the light that described beam splitting lens reflects from described end face and described optical axis is 0-20 °, and the angle of the light reflected from described side and described optical axis is 20-70 °.
Preferably, the outer surface of described beam splitting lens is with described optical axis be symmetry axis hemispherical or class hemispherical.
Preferably, the end face of described beam splitting lens is the convex surface protruded to described light source direction.
Preferably, described convex surface is made through cloudy surface frosted.
Preferably, described beam splitting lens have near described light source inner surface and with the outer surface away from described light source, described inner surface is along forming an inner space away from described light source direction indent, and described exit facet stretches in described inner space.
Preferably, the cross sectional shape of described reflector is parabola, and has grid like surface texture.
Preferably, described light source is multiple, is equipped with beam splitting lens described in outside light source described in each; Multiple described beam splitting lens forms a beam splitting lens group.
Preferably, described light source is LED light source.
After have employed technique scheme, compared with prior art, there is following beneficial effect:
1. lighting of the present utility model arranges a mixed light assembly between LED light source and beam splitting lens, makes the emergent light of LED light source just have passed through once even light before injecting beam splitting lens, thus can more be collimated uniform luminous intensity distribution.
2. the lighting with the utility model said structure has that optical efficiency is high, central light strength high and low dazzle value, evenly photochromic hot spot.
3. lighting of the present utility model according to the demand of illumination occasion, can produce the luminous intensity distribution of various narrow middle angle pencil of ray.
Accompanying drawing explanation
Fig. 1 is the schematic diagram and the light path schematic diagram that are equipped with mixed light support in the lighting meeting the utility model preferred embodiment;
Fig. 2 is the structural representation of mixed light support in the lighting meeting the utility model preferred embodiment;
Fig. 3 is the schematic diagram being equipped with light mixing lens in the lighting meeting the utility model preferred embodiment.
Reference numeral:
1-beam splitting lens, 11-optical axis, 12-inner space, 13-bottom surface, 14-outer surface, 15-end face, 16-side;
2-LED light source, 21-substrate;
3-reflector, at the bottom of 31-cup, 32-cup body, 33-rim of a cup, 34-superficial makings;
4-mixed light assembly; 41-mixed light support, 42-diffused component, 43-hollow cavity, 44-light mixing lens, the 45-plane of incidence, 46-exit facet, 47-joint face;
A-first emergent light, B-second emergent light.
Detailed description of the invention
Advantage of the present utility model is set forth further below in conjunction with accompanying drawing and specific embodiment.
As shown in Figure 1, meeting in a preferred embodiment of the present utility model, a kind of lighting comprises beam splitting lens 1, light source 2, reflector 3 and mixed light assembly 4, wherein beam splitting lens 1 has an optical axis 11, light source 2, mixed light assembly 4 and reflector 3 are arranged along the bearing of trend of this optical axis 11 successively, thus make light source 2 can launch paraxial emergent light along optical axis 11, first through mixed light assembly 4 mixed light, again through beam splitting lens 1 and reflector 3 luminous intensity distribution, the final exiting parallel light obtained through collimation and even light.In preferred embodiment of the present utility model, light source 2 can be a kind of solid state light emitter, such as LED light source.
In the lighting meeting above preferred embodiment, the shape of reflector 3 is cup-shaped, at the bottom of comprising glass 31, cup body 32 and rim of a cup 33, from general knowledge, at the bottom of the bore of rim of a cup 33 is greater than glass 31, therefore 31 will to arrange near light source 2 at the bottom of the cup of reflector 3, looking up along optical axis 11 side like this, light source 2 and reflector 3 just define a diffuse optical system; Meanwhile, beam splitting lens 1 to be arranged at the bottom of the cup of reflector 3 31, and to be surrounded by the cup body 32 of reflector 3 entirety, this ensure that the light after beam splitting lens 1 reflects can not penetrate towards the direction of departing from optical axis 11 outside reflector 3.
In addition, in order to produce collimation, uniform luminous intensity distribution more, in lighting in above-described embodiment, mixed light assembly 4 is also provided with between light source 2 and beam splitting lens 1, light source 2 is separated with beam splitting lens 1 and reflector 3 from structure by this mixed light assembly 4, makes the emergent light of light source 2 can form certain incident angle when being irradiated on beam splitting lens 1.In this mixed light assembly 4, optical axis 11 is through mixed light assembly 4, and namely mixed light assembly 4 is arranged around optical axis 11, makes the emergent light of light source 2 can be transmitted through beam splitting lens 1 after the mixed light of mixed light assembly 4.Adopt the lighting of above-mentioned configuration, the emergent light of light source 2 can be made before injecting beam splitting lens 1 just to have passed through once even light, thus can more be collimated uniform luminous intensity distribution, improve optical efficiency, central light strength, reduce dazzle value.
In lighting according to above-described embodiment configuration, the mixed light assembly 4 that it uses can have following two kinds of allocation plans, is specially:
One, as shown in Figure 2, in lighting, light source 2 fixes on the base plate (21, mixed light assembly 4 comprises fixing mixed light support 41 on the base plate (21, and the diffused component 42 be fixed on mixed light support 41, mixed light support 41 has along the through hollow cavity 43 in optical axis 11 direction, and hollow cavity 43 is around this optical axis 11 and light source 2; Meanwhile, diffused component 42 is arranged between hollow cavity 43 and beam splitting lens 1, and covers hollow cavity 43.Composition graphs 1 and Fig. 2 known, such mixed light assembly 4 is added between light source 2 and beam splitting lens 1, the emergent light that can increase light source 2 is on the one hand being irradiated to the light path before beam splitting lens 1, thus can regulate by regulating the different-thickness of mixed light support 41 incident angle be irradiated on beam splitting lens 1, produce various narrow, in, the luminous intensity distribution light of angle pencil of ray, on the other hand can before being irradiated to beam splitting lens 1 first through diffused component 42 through a mixed light, thus ensure the uniformity and the central light strength of the light of final outgoing.
Its two, as shown in Figure 3, in lighting, mixed light assembly 4 is the light mixing lens 44 be located on light source 2, light mixing lens 44 and beam splitting lens 1 common optical axis 11.Before the emergent light of light source 2 is irradiated to beam splitting lens 1, first carry out first mixed light by light mixing lens 44, thus ensure the uniformity and the central light strength of the light of final outgoing.In a specific embodiment, light source 2 fixes on the base plate (21, this light mixing lens 44 comprises the plane of incidence 45, the exit facet 46 that are oppositely arranged and connects the joint face 47 of the plane of incidence 45 and exit facet 46, wherein the plane of incidence 45 is near light source 2, be located on light source 2, exit facet 46 is near beam splitting lens 1, and joint face 47 is fixing on the base plate (21.In a preferred embodiment, the plane of incidence 45 shape is in being hemisphere face, and exit facet 46 shape is in being half ellipsoidal surface.In a further advantageous embodiment, beam splitting lens 1 adopts a kind of structure with the inner space 12 that indent is formed, and exit facet 46 just stretches in this inner space 12.According to the light mixing lens 44 of above-described embodiment configuration, the emergent light of the light source 2 of spot light or approximate spot light tentatively can be spread, outgoing after beam splitting lens 1 luminous intensity distribution collimation again, thus obtain photochromic evenly, the hot spot of the high and low dazzle value of central light strength.
As shown in figures 1 and 3, in the lighting meeting the utility model preferred embodiment, beam splitting lens 1 is a kind of lens with light-focusing function, it comprises bottom surface 13, inner surface and outer surface 14, wherein bottom surface 13 ringwise, and 31 concordant with at the bottom of cup, can with at the bottom of cup together with 31 on fixing mixed light support 41 in the above-described embodiments, light mixing lens 44 or on other installation foundation (not shown); Inner surface concaves away from light source 2 direction from the edge, inner side of bottom surface 13, thus form the structure including end face 15 and side 16, end face 15 be concave formed with the surface of bottom surface 13 in a distance and in reflector 3, optical axis 11 is through the center of end face 15,16, side is for connecting the edge of end face 15 and the inner side of bottom surface 13, around the cylinder of optical axis 11, end face 15 and side 16 are all for the emergent light of refract light source 2; Outer surface 14 from the outside of bottom surface 13 along away from light source 2 convex, relative with inner surface, for transmitted ray.According to the beam splitting lens 1 in above-described embodiment, two parts are divided into when the light of light source 2 outgoing is irradiated to beam splitting lens 1, the light that a part is incident to side 16 reflects to reflector 3 direction, the light that another part is incident to end face 15 reflects to optical axis 11, the light of 16 transmissions from the side after outer surface 14 reflects outgoing to reflector 3, and the first emergent light A being parallel to optical axis 11 is reflected by reflector 3, from the outgoing after outer surface 14 reflects of the light of end face 15 transmission, formed one near and be parallel to the second emergent light B of optical axis 11.That a kind of emergent light by light source 2 is divided into mid portion and marginal portion to form the structure of twice refraction respectively according to the beam splitting lens 1 of above-mentioned configuration, like this, from the light of light source 2 outgoing, low-angle light forms the first emergent light A near optical axis 11 after the collimation of end face 15 and outer surface 14, high angle scattered light forms through the refraction of side 16 and outer surface 14 the second emergent light B being parallel to optical axis 11 again after the reflection of reflector 3, first emergent light A and the second emergent light B is owing to focusing on luminous intensity distribution in zones of different, therefore evenly photochromic at the two-part outgoing beam of center and peripheral, do not have the appearance of veiling glare or ghost image.
In a preferred embodiment of the present utility model, the end face 15 of beam splitting lens 1 is the convex surface protruded to light source 2 direction, thus the structure of biconvex lens is formed at the mid portion of beam splitting lens 1, the structure of planoconvex spotlight is formed in marginal portion, the structure of biconvex lens can strengthen the collimating effect of mid portion arrow beam of light, can be applicable to the occasion needing accent light.Preferably, this convex surface is made through cloudy surface frosted in process of production, to avoid the biconvex lens of beam splitting lens 1 mid portion to occur imaging phenomenon, and can by some light scattering, thus the gap filled up between the first emergent light A and the second emergent light B, thus eliminate dazzle.
For the utility model preferred embodiment, incident angle and the ratio of the emergent light of the light source 2 that the end face 15 of beam splitting lens 1 and side 16 receive can regulate.Such as, in one embodiment, the angle of the light that beam splitting lens 1 reflects from end face 15 and optical axis 11 is 0-20 °, what at this moment end face 15 received is the low-angle light of light source 2 outgoing, the light of 16 refractions and the angle of optical axis 11 are 20-70 ° from the side, what at this moment side 16 received is the high angle scattered light of light source 2 outgoing, low-angle light collimates especially biconvex lens collimation formation first emergent light A through the secondary of mid portion, high angle scattered light forms the second emergent light B after the refraction of planoconvex spotlight and the reflection of reflector 3, final formation uniform, the arrow beam of light luminous intensity distribution that central light strength is high.According to practical application request, the end face 15 of beam splitting lens 1 and the dimension scale of side 16 can certainly be regulated, with the ratio of the arrow beam of light and angle pencil of ray that distribute outgoing.
In one embodiment, the outer surface 14 of beam splitting lens 1 is with optical axis 11 be symmetry axis hemispherical or class hemispherical, to strengthen the effect of birefringence.When this birefringence effect is larger, incide the pip of reflector 3 also just the closer to the bottom of reflector 3, the size of reflector 3 is just programmable less.But, in above-described embodiment, outer surface 14 also can be that any free form surface symmetrical rotary is formed, and carry out birefringence, but the shape of curved surface should ensure the light that reflects from reflector 3 and be the first emergent light A and the second emergent light B that are parallel to optical axis 11 from the light of outer surface 14 outgoing to bright dipping.
In preferred embodiment of the present utility model, beam splitting lens 1 is in manufacturing process, due to the restriction of production mould, the side 16 in the inner surface of beam splitting lens 1 is made the annular cylindrical structure had with the angled adduction of optical axis 11, be formed as tilting to optical axis 11 face of cylinder of 1 ° to 5 °.
In preferred embodiment of the present utility model, the cross sectional shape of the cup body 32 of reflector 3 is parabola, and there is grid like surface texture 34, like this, the beam splitting lens 1 be arranged on bottom reflector 3 is similar to and is arranged in parabolical focus, according to mathematic(al) law, can ensure that the second emergent light B is substantially exiting parallel light, further, the latticed texture on cup body 32 surface can revise some can not the light of exiting parallel, thus make the collimation of the second emergent light B higher, photochromic evenly.
In another preferred embodiment of the present utility model, the quantity of light source is multiple, is equipped with a beam splitting lens 1 outside each light source; Multiple beam splitting lens 1 forms a beam splitting lens group.Owing to being generally equipped with multiple light source in existing spotlight, for each light source 2, be equipped with the beam splitting lens 1 in an above-described embodiment, then multiple beam splitting lens 1 forms a beam splitting lens group.This beam splitting lens group can be one-body molded, and coupling is arranged on corresponding light source.Preferably, light source 2 can select a kind of solid state light emitter, such as LED light source.
Lighting according to the above-mentioned configuration of the utility model arranges a mixed light assembly 4 between light source 2 and beam splitting lens 1, the emergent light of light source 2 is made just to have passed through once even light before injecting beam splitting lens 1, thus can more be collimated uniform luminous intensity distribution, have that optical efficiency is high, the feature of central light strength high and low dazzle value, evenly photochromic hot spot.And according to the demand of illumination occasion, the luminous intensity distribution of various narrow middle angle pencil of ray can be produced.
Should be noted that, embodiment of the present utility model has preferably implementation, and not any type of restriction is done to the utility model, any person skilled in art of being familiar with may utilize the technology contents of above-mentioned announcement change or be modified to equivalent effective embodiment, in every case the content of technical solutions of the utility model is not departed from, the any amendment done above embodiment according to technical spirit of the present utility model or equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (14)
1. a lighting, comprise the beam splitting lens with optical axis, successively along the light source that described optical axis bearing of trend is arranged and reflector, it is characterized in that, a mixed light assembly is also provided with between described light source and described beam splitting lens, described optical axis is through described mixed light assembly, and the emergent light of described light source is transmitted through described beam splitting lens after the mixed light of described mixed light assembly.
2. lighting as claimed in claim 1, it is characterized in that, described light source is fixed on substrate, described mixed light assembly comprises fixing mixed light support on the substrate, and the diffused component be fixed on described mixed light support, described mixed light support has along the through hollow cavity of described optical axis direction, and described hollow cavity is around described optical axis and described light source; Described diffused component is arranged between described hollow cavity and described lens, and covers described hollow cavity.
3. lighting as claimed in claim 1, it is characterized in that, described mixed light assembly is located at the light mixing lens on described light source, described light mixing lens and the same optical axis of described beam splitting lens.
4. lighting as claimed in claim 3, it is characterized in that, described light source is fixed on substrate, described light mixing lens comprises the plane of incidence near described light source, the exit facet near described beam splitting lens and connects the joint face of the described plane of incidence and described exit facet, the described plane of incidence is located on described light source, and described joint face is fixing on the substrate.
5. lighting as claimed in claim 4, it is characterized in that, the described plane of incidence is hemisphere face, and described exit facet is half ellipsoidal surface.
6. the lighting as described in any one of claim 1 to 5, it is characterized in that, described beam splitting lens comprises the annular bottom surface concordant with the bottom of described reflector, from the inner surface that the inner side of described bottom surface concaves, and from the cambered outwards outer surface in the outside of described bottom surface, described inner surface comprises the end face that indent is formed, and connect the side at the inner side of described bottom surface and the edge of described end face, described optical axis is through the center of described end face, optical axis described in described side surrounding, the light being incident to described side reflects to described reflector direction, the light being incident to described end face reflects to described optical axis, from the light of described side transmission after described outer surface refraction outgoing to described reflector, and gone out to be parallel to the first emergent light of described optical axis by described reflector reflects, from light outgoing after described outer surface refraction of described end face transmission, formed one near and be parallel to the second emergent light of described optical axis.
7. lighting as claimed in claim 6, is characterized in that, the angle of the light that described beam splitting lens reflects from described end face and described optical axis is 0-20 °, and the angle of the light reflected from described side and described optical axis is 20-70 °.
8. lighting as claimed in claim 6, is characterized in that, the outer surface of described beam splitting lens is with described optical axis be symmetry axis hemispherical or class hemispherical.
9. lighting as claimed in claim 8, it is characterized in that, the end face of described beam splitting lens is the convex surface protruded to described light source direction.
10. lighting as claimed in claim 9, it is characterized in that, described convex surface is made through cloudy surface frosted.
11. lightings as described in claim 4 or 5, it is characterized in that, described beam splitting lens have near described light source inner surface and with the outer surface away from described light source, described inner surface is along forming an inner space away from described light source direction indent, and described exit facet stretches in described inner space.
12. lightings as claimed in claim 1, it is characterized in that, the cross sectional shape of described reflector is parabola, and has grid like surface texture.
13. lightings as claimed in claim 1, it is characterized in that, described light source is multiple, is equipped with beam splitting lens described in outside light source described in each; Multiple described beam splitting lens forms a beam splitting lens group.
14. lightings as described in claim 1 or 13, it is characterized in that, described light source is LED light source.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844828.5U CN205090204U (en) | 2015-10-28 | 2015-10-28 | Lighting lamp |
| PCT/CN2016/102744 WO2017071520A1 (en) | 2015-10-28 | 2016-10-20 | Illumination lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844828.5U CN205090204U (en) | 2015-10-28 | 2015-10-28 | Lighting lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205090204U true CN205090204U (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520844828.5U Active CN205090204U (en) | 2015-10-28 | 2015-10-28 | Lighting lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205090204U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221942A (en) * | 2015-10-28 | 2016-01-06 | 欧普照明股份有限公司 | A kind of lighting |
| WO2017071520A1 (en) * | 2015-10-28 | 2017-05-04 | 欧普照明股份有限公司 | Illumination lamp |
| EP3913281A4 (en) * | 2019-03-29 | 2022-03-23 | Suzhou Opple Lighting Co., Ltd. | Optical element and light distribution module |
-
2015
- 2015-10-28 CN CN201520844828.5U patent/CN205090204U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221942A (en) * | 2015-10-28 | 2016-01-06 | 欧普照明股份有限公司 | A kind of lighting |
| WO2017071520A1 (en) * | 2015-10-28 | 2017-05-04 | 欧普照明股份有限公司 | Illumination lamp |
| EP3913281A4 (en) * | 2019-03-29 | 2022-03-23 | Suzhou Opple Lighting Co., Ltd. | Optical element and light distribution module |
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