CN104990036A - Unilateral illumination LED lens and illuminating system - Google Patents
Unilateral illumination LED lens and illuminating system Download PDFInfo
- Publication number
- CN104990036A CN104990036A CN201510382938.9A CN201510382938A CN104990036A CN 104990036 A CN104990036 A CN 104990036A CN 201510382938 A CN201510382938 A CN 201510382938A CN 104990036 A CN104990036 A CN 104990036A
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- Prior art keywords
- optical axis
- secondary optical
- plane
- lens
- led
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Classifications
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
- F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
Abstract
The invention discloses a unilateral illumination LED lens and an illuminating system. The illuminating system comprises at least one LED module and an illuminated plane. Each LED module comprises an LED chip and one unilateral illumination LED lens, wherein the unilateral illumination LED lens comprises a principal optical axis, a light source position and a light outlet surface, and the light outlet surface comprises a first secondary optical axis and a second secondary optical axis; lenses corresponding to the first secondary optical axis and the second secondary optical axis are both positive lenses, and the beam angle of the lens corresponding to the first secondary optical axis is larger than that of the lens corresponding to the second secondary optical axis. Due to the fact that light is converged through the first secondary optical axes and the second secondary optical axes, the beam angle of each LED chip is reduced. Meanwhile, due to the fact that the portion, corresponding to the corresponding first secondary optical axis, of each light source position is an arc, light emitted from the light outlet surface corresponding to each first secondary optical axis can be shone onto the wall, and accordingly waste is reduced and illuminated exhibitions or goods are highlighted.
Description
Technical field
The present invention relates to a kind of power-supply device of illuminator, particularly a kind of LED lamp power supply.
Background technology
In general daily life, all can see various lighting apparatus everywhere, such as, fluorescent lamp, street lamp, desk lamp, artistic lamp etc.In above-mentioned lighting apparatus, major part is as illuminating source with osram lamp traditionally.In recent years, because science and technology is maked rapid progress, utilized light emitting diode (LED) as light sources.Notably, except lighting apparatus, for general traffic sign, billboard, car light etc., also all change into and use light emitting diode as illuminating source.As previously mentioned, use light emitting diode as illuminating source, its benefit is power saving, and brightness is larger, therefore generalization gradually in use.
Universal along with LED lamp, increasing occasion brings into use LED lamp, and such as bedroom, kitchen, parlor etc. are illumination at home, and the commercial lighting such as refrigerator-freezer, cold chain, shelf.But in market or Dou Zheshi museum, the use occasions such as show room, a lot of field of illumination only needs to be illuminated article on monolateral wall and this monolateral wall, as goods, show piece.But common light source mostly is 360 degree of bright dippings, causes waste for the region not needing to illuminate, be also unfavorable for that accent light is with outstanding illuminated show piece or goods simultaneously.
Summary of the invention
In view of this, be necessary to provide a kind of LED lamp power supply can eliminating the electromagnetic interference of control end.
A kind of monolateral according to LED lens, described in cartesian coordinate system, the monolateral bright dipping according to LED lens is for irradiating YZ face and XZ face.The described monolateral mirror that shines through comprises a primary optical axis, and one is located in the light source placement on described primary optical axis, and an exiting surface.Along described primary optical axis and exiting surface described in the cross section being parallel to XY plane comprises first secondary optical axis and second secondary optical axis.First, second secondary optical axis described is arranged on the both sides of described primary optical axis and these lens corresponding to first, second secondary optical axis are all positive lens.The rising angle of the lens corresponding to described first secondary optical axis is greater than the rising angle of the lens corresponding to described second secondary optical axis.Be positive lens being parallel to exiting surface described in the cross section of YZ plane.Along described primary optical axis and the outline line of light source placement and the part of the first secondary optical axis described in the cross section being parallel to XY plane are curved line, this curved line is being positive camber along the curvature on the direction of primary optical axis.
A kind of illuminator, comprises at least one LED module, and the plane of illumination that corresponding with described LED module respectively.Described LED module comprises a LED chip, and be arranged on the light direction of described LED chip above-mentioned monolateral shines through mirror.The optical axis of described LED chip overlaps with described primary optical axis.
Compared with prior art, the monolateral LED lens 11 that shine provided by the invention are owing to having described first, second secondary optical axis 1131, 1132 pairs of light are assembled, thus the rising angle of the described LED chip 12 reduced, simultaneously because the part corresponding with the first secondary optical axis 1131 of described light source placement 112 is curved line, and this curved line is being positive camber along the curvature on the direction of primary optical axis, thus make the emergent light of the exiting surface 112 corresponding to described first secondary optical axis 1131 can be equivalent to the YZ plane of metope by directive, and then make light only directive need the region illuminated to cause waste, also be beneficial to accent light with outstanding illuminated show piece or goods simultaneously.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiments of the invention are described, wherein:
Fig. 1 is a kind of index path with the monolateral illuminator according to LED lens provided by the invention
The monolateral three-dimensional structure diagram according to LED lens that the illuminator that Fig. 2 is Fig. 1 has.
Fig. 3 is that the monolateral of Fig. 2 is parallel to the schematic cross-section of the XY plane of cartesian coordinate system according to LED lens along its primary optical axis.
Fig. 4 is that the monolateral of Fig. 1 is parallel to the schematic cross-section of the YZ plane of cartesian coordinate system according to LED lens along its primary optical axis.
Detailed description of the invention
Based on accompanying drawing, specific embodiments of the invention are further elaborated below.Should be appreciated that specific embodiment described herein is only as embodiment, the protection domain be not intended to limit the present invention.
Refer to Fig. 1, it is the index path of illuminator 100 provided by the invention.Described illuminator 100 comprises a LED module 10, and the plane of illumination 20 that corresponding with described LED module 10.In actual applications, described LED module 10 may comprise the multiple LED modules be arranged in a row, and this can determine according to the length of row's plane of illumination 20.In the present embodiment, only in order to describe the present invention in detail, therefore a LED module 10 and a plane of illumination 20 corresponding with this LED module 10 are only shown.It is envisioned that this illuminator 100 also comprises other components and parts, as the lamp bracket for arranging LED module 10, the assemblies such as lampshade, and for giving power supply of LED module 10 power supply etc., because assembly like this is not emphasis of the present invention, do not repeat them here.
Described LED module 10 comprise one monolateral according to LED lens 11, and one to be arranged in pairs or groups the LED chip 12 used with these monolateral photograph LED lens 11.
Refer to 2 to Fig. 4, the described monolateral LED lens 11 that shine comprise a primary optical axis 111, light source placement 112 be located on described primary optical axis 111, and an exiting surface 113.
Consistent with all lens, each lens comprises an optical axis.In the present invention, the described monolateral LED lens 11 that shine comprise a primary optical axis 111.This primary optical axis 111 is for designing the parameters of described LED12, and this primary optical axis 111 is also light path design simultaneously, whole light fixture arranges the guiding of installation.
Described light source providing holes 112 for arranging light source, i.e. LED chip 12.For this light source providing holes 112, described LED chip 12 can be arranged on the inside of this light source providing holes 112, also can be arranged on the outside of this light source providing holes 112, and namely the inside of light source providing holes 112 or outside all can as the light source placements of light source.When LED chip 12 is arranged in light source providing holes 112, in order to make described monolateral according to LED lens 11 utilize maximized while, and be convenient to assemble these monolateral photograph LED lens 11 and LED chip 12, the opposition side of the exiting surface of this LED chip 12 flushes with the openend of described light source providing holes 112.When LED chip 12 is arranged on the outside of light source providing holes 112, all can enter to make all light of LED chip 12 and describedly monolaterally shine through in mirror 11, preferably, the exiting surface of this LED chip 12 flushes with the openend of described light source providing holes 112.In the present embodiment, the exiting surface of described LED chip 12 flushes with the openend of described light source providing holes 112.Described light source providing holes 112 is different from the whole monolateral difference that shines through the structure of mirror 11.In the present embodiment, as shown in Figure 4, described light source placement 112 is a flute profile, is an extension slot, and the openend of this light source placement 112 flushes with the opposition side of the exiting surface of LED chip 12 simultaneously.
This emergent light for receiving the emergent light of described LED chip 12, and projects to plane of illumination 20 by described exiting surface 113.In order to the requirement making the emergent light of this exiting surface 113 can meet illumination, therefore need the shape to this exiting surface 113, particularly outline line designs.In the present invention, in order to be described the outline line of this exiting surface 113, introduce cartesian coordinate system to locate its orientation, thus be convenient to the feature explaining the outline line that described exiting surface 113 in all directions is described.Single according to limit lens 11 as one, in cartesian coordinate system, this monolateral bright dipping according to LED lens is for irradiating YZ plane and XZ plane, and wherein said YZ plane is the ground that plane of illumination 20, XZ plane can be then corridor, passageway etc.As shown in Figure 3, monolaterally first secondary optical axis 1131 and second secondary optical axis 1132 is comprised according to LED lens 11 described along described primary optical axis 111 and on the cross section being parallel to XY plane.First, second secondary optical axis 1131,1132 described is arranged on the both sides of described primary optical axis 111 and this first, second lens corresponding to secondary optical axis 1131,11312 are all positive lens.Meanwhile, the rising angle of the lens corresponding to described first secondary optical axis 1131 is greater than the rising angle of the lens corresponding to described second secondary optical axis 1132.The emergent light directive YZ plane of the lens corresponding to described first secondary optical axis 1131.Due in actual applications, the setting height(from bottom) of described illuminator 100 is generally higher than the height of described YZ plane, therefore need light to gather and assemble to YZ plane, and described first secondary optical axis 1131 should point to the side from this YZ plane away from LED module 10, the decay of the light intensity caused compared with long-range guided missile from the side of this YZ plane away from LED module 10 with the transmission range made up due to light to make the strongest light of the light intensity of this first secondary optical axis 1131 and most of luminous flux directive.
The emergent light of described second secondary optical axis 1132 is mainly used in irradiation and is equivalent to corridor, the XZ plane on the ground in passageway etc., therefore original relative to LED chip 12 180 degree go out optical range, it also will carry out convergence design, thus, lens corresponding to described second secondary optical axis 1132 are also convergent lens, i.e. positive lens.As can be seen from Figure 3, the part of the close primary optical axis 111 of the emergent light of described second secondary optical axis 1132 also can be designed to directive from the side of this YZ plane away from LED module 10 and make up the decay of the light intensity that the transmission range due to light causes compared with long-range guided missile further, namely increases the luminous flux arriving this region.
In addition for described primary optical axis 111, in the present embodiment, for the ease of luminous intensity distribution design, described primary optical axis is parallel to YZ plane and perpendicular to described XZ plane.
Explain further first, second positive lens corresponding to secondary optical axis 1131,1132 described below, and the rising angle of lens corresponding to the first secondary optical axis 1131 is greater than the formation basic theory of the rising angle of the lens corresponding to described second secondary optical axis 1132.Referring again to Fig. 3, along described primary optical axis 111 and on the outline line of light source placement 112 described in the cross section being parallel to XY plane, part corresponding to described first secondary optical axis 1131 is curved line, and the part described in the outline line of simultaneously described exiting surface 113 corresponding to first secondary optical axis 1131 is also curved line.The curvature of these two sections of curved lines on the direction along described primary optical axis is all positive camber, and the curvature of curved line on the direction of the first secondary optical axis 1131 of certain described light source set handling product 2 is also positive camber.Here need to further illustrate, the direction of described primary optical axis is the light direction of LED chip 12.In order to increase the rising angle of the lens corresponding to described first secondary optical axis 1131, the arc curvature of a curve of the exiting surface 113 corresponding to described first secondary optical axis 1131 is greater than the arc curvature of a curve of described light source placement 112.Outline line due to described light source placement 112 is curved line, on the cross section being parallel to XY plane, one end of this curved line is positioned at the top of described light source placement 112 simultaneously, one end is positioned at the bottom of described light source placement 112, thus the light that this curved line is received can directive YZ plane, and then complete the requirement of luminous intensity distribution.It can also be seen that in figure 3, the outline line part of the light source placement 112 corresponding to described second secondary optical axis 1132 is straight line, and particularly, this linear vertical is in described primary optical axis 111.The outline line part of the exiting surface 113 simultaneously corresponding to the second secondary optical axis 1132 is curved line.Equally, this curved line is being positive camber along the curvature on the direction of primary optical axis.Also just because of the difference of the outline line of first, second light source placement 112 corresponding to secondary optical axis 1131,1132 described, the rising angle of the lens corresponding to the first secondary optical axis 1131 is made to be greater than the rising angle of the lens corresponding to described second secondary optical axis 1132, and then make the emergent light of the first secondary optical axis 1131 all be radiated in YZ plane, and the emergent light of the second secondary optical axis 1132 can full illumination in XZ plane, also can in partial illumination YZ plane, partial illumination is in XZ plane.
Explain again below and illustrate that the described monolateral mirror 11 that shines through is on the cross section being parallel to described YZ plane, the structure of the outline line of described exiting surface 113 and the outline line of described light source placement 112.Refer to Fig. 4, on the cross section being parallel to YZ plane, the outline line of described light source placement 112 is curved line, the outline line of described exiting surface 113 is also curved line, on the direction along described primary optical axis 111, described exiting surface 113 is all positive camber with the profile curvature of a curve of light source placement 112 simultaneously, and the profile curvature of a curve of described exiting surface 113 is greater than the profile curvature of a curve of described light source placement 112, thus make this monolateral shine through mirror 11 described on the direction of parallel Z axis also described exiting surface 113 also for convergent lens, reduce its rising angle, make emergent light all directive YZ plane and XZ planes of described exiting surface 113.
The solid-state semiconductor devices of described LED (Light Emitting Diode) chip 12 to be a kind of can be by electric energy conversion visible ray, it directly can be converted into luminous energy electricity.The center of this LED chip 12 is arranged on and monolaterally shines through on the primary optical axis 111 of mirror 11, and the optical axis of this LED chip 12 overlaps with described primary optical axis 111 particularly.
Described plane of illumination 20 is the position that described LED module 10 irradiates, and it can be plane, also can be curved surface.In the present embodiment, only in order to demonstrate the invention, this plane of illumination 20 is plane.This plane of illumination 20 can be the article such as the picture that will illuminate in museum, also can be a face wall.Be parallel in the cross section of XY plane along described primary optical axis 111, the emergent light directive YZ plane of the described exiting surface 113 corresponding to described first secondary optical axis 1131, the emergent light directive XZ plane of the exiting surface 1131 corresponding to described second secondary optical axis 1131.
Compared with prior art, the monolateral LED lens 11 that shine provided by the invention are owing to having described first, second secondary optical axis 1131, 1132 pairs of light are assembled, thus the rising angle of the described LED chip 12 reduced, simultaneously because the part corresponding with the first secondary optical axis 1131 of described light source placement 112 is curved line, and the curvature of this curved line on the direction along primary optical axis 111 and the first secondary optical axis 1131 is positive camber, thus make the emergent light of the exiting surface 112 corresponding to described first secondary optical axis 1131 can be equivalent to the YZ plane of metope by directive, and then make light only directive need the region illuminated to cause waste, also be beneficial to accent light with outstanding illuminated show piece or goods simultaneously.And due to the outline line main line of the light source placement 112 corresponding on the cross section being parallel to XY plane of the second secondary optical axis 1132, the outline line of exiting surface 113 is curved line, the emergent light of these lens corresponding to the second secondary optical axis 1132 can be made to assemble earthward or part directive metope, reach the object making full use of light.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all do in the spirit and principles in the present invention any amendment, equivalent to replace and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. monolateral photograph LED lens, described in cartesian coordinate system, the monolateral bright dipping according to LED lens is for irradiating YZ face and XZ face, it is characterized in that: the described monolateral mirror that shines through comprises a primary optical axis, one is located in the light source placement on described primary optical axis, and an exiting surface, along described primary optical axis and exiting surface described in the cross section being parallel to XY plane comprises first secondary optical axis and second secondary optical axis, described first, second secondary optical axis be arranged on the both sides of described primary optical axis and this first, lens corresponding to second secondary optical axis are all positive lens, the rising angle of the lens corresponding to described first secondary optical axis is greater than the rising angle of the lens corresponding to described second secondary optical axis, be positive lens being parallel to exiting surface described in the cross section of YZ plane, along described primary optical axis and the outline line of light source placement and the part of the first secondary optical axis described in the cross section being parallel to XY plane are curved line, the curvature of this curved line on the direction along the first secondary optical axis is positive camber.
2. as claimed in claim 1 monolateral according to LED lens, it is characterized in that: along described primary optical axis and on the outline line of light source placement described in the cross section being parallel to XY plane, the part corresponding to described second secondary optical axis is straight line.
3. as claimed in claim 2 monolateral according to LED lens, it is characterized in that: be parallel on the cross section of XY plane along described primary optical axis, and the part described in the outline line of described exiting surface corresponding to the first secondary optical axis is curved line, the curvature of this curved line on the direction along described primary optical axis is positive camber, and the arc curvature of a curve of exiting surface corresponding to described first secondary optical axis is greater than the arc curvature of a curve of described light source placement.
4. monolaterally to it is characterized in that: on the cross section being parallel to YZ plane, the outline line of described light source placement is curved line according to LED lens as claimed in claim 1, this curved line is along the direction of primary optical axis is positive camber.
5. as claimed in claim 4 monolateral according to LED lens, it is characterized in that: on the cross section being parallel to YZ plane, be greater than the profile curvature of a curve of described light source placement along the profile curvature of a curve of described exiting surface on the direction of described primary optical axis.
6. as claimed in claim 1 monolateral according to LED lens, it is characterized in that: described primary optical axis is parallel to YZ plane and perpendicular to described XZ plane.
7. an illuminator, comprise at least one LED module, and the plane of illumination that corresponding with described LED module respectively, it is characterized in that: described LED module comprises a LED chip, and monolateral as described in claim 1 to 7 any one be arranged on the light direction of described LED chip shines through mirror, the optical axis of wherein said LED chip overlaps with described primary optical axis.
8. illuminator as claimed in claim 7, it is characterized in that: be parallel in the cross section of XY plane along described primary optical axis, the emergent light directive YZ plane of the described exiting surface corresponding to described first secondary optical axis, the emergent light directive XZ plane of the exiting surface corresponding to described second secondary optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510382938.9A CN104990036B (en) | 2015-06-29 | 2015-06-29 | It is a kind of indoor unilateral according to LED lens and its lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510382938.9A CN104990036B (en) | 2015-06-29 | 2015-06-29 | It is a kind of indoor unilateral according to LED lens and its lighting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104990036A true CN104990036A (en) | 2015-10-21 |
| CN104990036B CN104990036B (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510382938.9A Active CN104990036B (en) | 2015-06-29 | 2015-06-29 | It is a kind of indoor unilateral according to LED lens and its lighting system |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107084340A (en) * | 2017-05-18 | 2017-08-22 | 赛尔富电子有限公司 | A kind of light distributing system of LED lamp |
| CN111801603A (en) * | 2018-03-09 | 2020-10-20 | 三菱电机株式会社 | Optical device, luminaire and method of manufacturing an optical device |
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| CN104990036B (en) | 2019-03-05 |
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