CN104990036B - It is a kind of indoor unilateral according to LED lens and its lighting system - Google Patents
It is a kind of indoor unilateral according to LED lens and its lighting system Download PDFInfo
- Publication number
- CN104990036B CN104990036B CN201510382938.9A CN201510382938A CN104990036B CN 104990036 B CN104990036 B CN 104990036B CN 201510382938 A CN201510382938 A CN 201510382938A CN 104990036 B CN104990036 B CN 104990036B
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- optical axis
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- lens
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- 230000003287 optical effect Effects 0.000 claims abstract description 107
- 230000003760 hair shine Effects 0.000 claims abstract description 6
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000005286 illumination Methods 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
It is a kind of indoor unilateral according to LED lens and its lighting system, including at least one LED module and a plane of illumination.The LED module includes that a LED chip and one unilateral shine through mirror.The unilateral mirror that shines through includes a primary optical axis, at a light source setting and a light-emitting surface.The light-emitting surface includes first secondary optical axis and second secondary optical axis.Lens corresponding to first, second secondary optical axis are all positive lens.The light-emitting angle of lens corresponding to first secondary optical axis is greater than the light-emitting angle of lens corresponding to second secondary optical axis.Due to being assembled with first, second secondary optical axis to light, to the light-emitting angle of the LED chip reduced, simultaneously because the part corresponding with the first secondary optical axis at the light source setting is curved line, so that the emergent light of light-emitting surface corresponding to first secondary optical axis can be with directive metope, reduce waste, while being also conducive to prominent show piece to be illuminated or cargo.
Description
Technical field
The present invention relates to a kind of power-supply device of lighting system, especially a kind of LED lamp power supply.
Background technique
In general daily life, all visible various lighting apparatus everywhere, for example, fluorescent lamp, street lamp, desk lamp, skill
Art lamp etc..In above-mentioned lighting apparatus, traditionally most of is with osram lamp as illuminating source.In recent years, due to section
Skill is maked rapid progress, using light emitting diode (LED) as light sources.Notably, in addition to lighting apparatus, for general traffic number
Will, billboard, car light etc. are also changed to use light emitting diode as illuminating source.As previously mentioned, being made using light emitting diode
For illuminating source, it is advantageous in that power saving, and brightness is bigger, therefore in the upper gradually generalization of use.
With popularizing for LED lamp, more and more occasions begin to use LED lamp, such as bedroom, kitchen, parlor etc.
The commercial lightings such as illumination and refrigerator-freezer, cold chain, shelf at home.It but in market or is all museum, show room etc. uses field
It closes, many illumination regions only need to be illuminated article on unilateral wall and the unilateral wall, such as cargo, show piece.But common light source
Mostly 360 degree light out, cause waste for the region for not needing to illuminate, while it is illuminated with protrusion to be also unfavorable for accent light
Show piece or cargo.
Summary of the invention
In view of this, it is necessary to provide a kind of indoor unilateral according to LED lens and its lighting system.
It is a kind of indoor unilateral according to LED lens, it is unilateral described in cartesian coordinate system to go out light for shining according to LED lens
Penetrate the face YZ and the face XZ.The unilateral mirror that shines through includes a primary optical axis, at a light source setting being threaded through on the primary optical axis,
An and light-emitting surface.Along the primary optical axis and to be parallel to light-emitting surface described in the section of X/Y plane include one first secondary light
Axis and second secondary optical axis.The two sides of the primary optical axis and the first, second secondary light is arranged in first, second secondary optical axis
Lens corresponding to axis are all positive lens.The light-emitting angle of lens corresponding to first secondary optical axis is greater than the described second secondary light
The light-emitting angle of lens corresponding to axis.The light-emitting surface described in the section for being parallel to YZ plane is positive lens.Along the master
Optical axis and the part of the contour line being parallel at light source setting described in the section of X/Y plane and the first secondary optical axis are curved line, should
Curvature of the curved line on the direction along primary optical axis is positive camber.
A kind of lighting system, including at least one LED module and one corresponding with the LED module are respectively shone
Penetrate face.The LED module is arranged in above-mentioned on the light direction of the LED chip including a LED chip and one
It is indoor unilateral according to LED lens.The optical axis of the LED chip and the key light overlapping of axles.
Compared with prior art, indoor unilateral LED lens 11 of shining provided by the invention are due to described first, second
1131,1132 pairs of light of secondary optical axis are assembled, thus the light-emitting angle of the LED chip 12 reduced, simultaneously because described
112 part corresponding with the first secondary optical axis 1131 is curved line at light source setting, and the curved line is in the direction along primary optical axis
On curvature be positive camber so that the emergent light of light-emitting surface 113 corresponding to first secondary optical axis 1131 can be with directive
It is equivalent to the YZ plane of metope, so that only directive needs the region illuminated not cause waste to light, while being also conducive to
Accent light is with protrusion show piece to be illuminated or cargo.
Detailed description of the invention
The embodiment of the present invention is described below in conjunction with attached drawing, in which:
Fig. 1 is a kind of index path with the unilateral lighting system according to LED lens provided by the invention
Fig. 2 is the unilateral three-dimensional structure diagram according to LED lens possessed by the lighting system of Fig. 1.
Fig. 3 is that the unilateral of Fig. 2 is shown according to LED lens along the section of its primary optical axis and the X/Y plane that is parallel to cartesian coordinate system
It is intended to.
Fig. 4 is that the unilateral of Fig. 1 is shown according to LED lens along the section of its primary optical axis and the YZ plane that is parallel to cartesian coordinate system
It is intended to.
Specific embodiment
Specific embodiments of the present invention are further elaborated below based on attached drawing.It should be appreciated that this place is retouched
The specific embodiment stated only is used as embodiment, is not intended to limit the scope of protection of the present invention.
Referring to Fig. 1, it is the index path of lighting system 100 provided by the invention.The lighting system 100 includes one
LED module 10 and a plane of illumination 20 corresponding with the LED module 10.In practical applications, the LED module 10
It may include the multiple LED modules being arranged in a row, this can be determined according to the length of row's plane of illumination 20.In this implementation
In example, only for the present invention will be described in detail, therefore a LED module 10 and a quilt corresponding with the LED module 10 are only shown
Shadow surface 20.It is envisioned that the lighting system 100 further includes other components, such as the lamp of LED module 10 to be arranged
Frame, the components such as lampshade, and the power supply etc. for powering to LED module 10, because suchlike component is not the present invention
Emphasis, details are not described herein.
The LED module 10 includes that the unilateral LED lens 11 and one of shining make with unilateral arrange in pairs or groups according to LED lens 11
LED chip 12.
2 to Fig. 4 are please referred to, the unilateral LED lens 11 of shining include a primary optical axis 111, and one is threaded through the key light
112 and a light-emitting surface 113 at light source setting on axis 111.
Consistent with all lens, each lens includes an optical axis.In the present invention, described unilateral according to LED lens
11 include a primary optical axis 111.The primary optical axis 111 is used to design the parameters of the LED12, while the primary optical axis 111
It is the guiding of light path design, the setting installation of entire lamps and lanterns.
The light source providing holes 112 is for being arranged light source, i.e. LED chip 12.For the light source providing holes 112, the LED
Chip 12 can be set in the inside of the light source providing holes 112, also can be set in the outside of the light source providing holes 112, i.e. light
The inside or outside of source providing holes 112 all can be used as at the light source setting of light source.When LED chip 12 is arranged in light source providing holes
When in 112, in order to keep the unilateral utilization according to LED lens 11 maximized simultaneously, and it is unilateral saturating according to LED convenient for assembling this
Mirror 11 and LED chip 12, the opposite side of the light-emitting surface of the LED chip 12 are flushed with the open end of the light source providing holes 112.When
It is described unilateral in order to can enter all light of LED chip 12 all when the outside of light source providing holes 112 is arranged in LED chip 12
It shines through in mirror 11, it is preferred that the light-emitting surface of the LED chip 12 is flushed with the open end of the light source providing holes 112.In this reality
It applies in example, the light-emitting surface of the LED chip 12 is flushed with the open end of the light source providing holes 112.The light source providing holes 112
It is different with the difference of the entire unilateral structure for shining through mirror 11.In the present embodiment, as shown in figure 4,112 at the light source setting
For a flute profile, as an extension slot, while 112 open end and the phase of the light-emitting surface of LED chip 12 at the light source setting
It tosses about and flushes.
The light-emitting surface 113 is used to receive the emergent light of the LED chip 12, and by the outgoing light projection to plane of illumination
20.In order to make the emergent light of the light-emitting surface 113 can satisfy the requirement of illumination, it is therefore desirable to special to the shape of the light-emitting surface 113
It is not that contour line is designed.In the present invention, it in order to which the contour line to the light-emitting surface 113 is illustrated, introduces Descartes and sits
Mark system is to position its orientation, consequently facilitating illustrating the feature of the contour line of the light-emitting surface 113 in all directions.As one
A list shines side lens 11, and the unilateral light that goes out according to LED lens is used to irradiate YZ plane and XZ plane in cartesian coordinate system,
Described in YZ plane be plane of illumination 20, and XZ plane then can be corridor, the ground in passageway etc..As shown in figure 3, along institute
State primary optical axis 111 and be parallel on the section of X/Y plane it is described it is unilateral according to LED lens 11 include 1131 He of the first secondary optical axis
One the second secondary optical axis 1132.First, second secondary optical axis 1131,1132 is arranged in the two sides of the primary optical axis 111 and should
Lens corresponding to first, second secondary optical axis 1131,11312 are all positive lens.Meanwhile corresponding to first secondary optical axis 1131
Lens light-emitting angle be greater than second secondary optical axis 1132 corresponding to lens light-emitting angle.First secondary optical axis
The emergent light directive YZ plane of lens corresponding to 1131.Due in practical applications, the mounting height of the lighting system 100
Generally it is higher than the height of the YZ plane, it is therefore desirable to light be gathered to YZ plane and assembled, and first secondary optical axis 1131
It should be directed toward the side of the YZ plane farther away from LED module 10, so that the strongest light of the light intensity of first secondary optical axis 1131 and big
The side of the partial luminous flux directive YZ plane farther away from LED module 10 is to make up since the transmission range of light is caused farther out
The decaying of light intensity.
The emergent light of second secondary optical axis 1132 is mainly used for irradiation and is equivalent to corridor, and the XZ on the ground in passageway etc. is flat
Face, therefore the optical range out of the 180 degree original relative to LED chip 12, will also carry out convergence design, thus, described second
Lens corresponding to secondary optical axis 1132 are also convergent lens, i.e. positive lens.From figure 3, it can be seen that second secondary optical axis 1132
The part of close primary optical axis 111 of emergent light can also be designed to the one of the directive YZ plane farther away from LED module 10
Side to further compensate for due to light transmission range farther out caused by light intensity decaying, that is, increase reach the region light it is logical
Amount.
In addition for the primary optical axis 111, in the present embodiment, for the ease of light distribution design, the primary optical axis is parallel to
YZ plane and perpendicular to the XZ plane.
Positive lens corresponding to first, second secondary optical axis 1131,1132 and the first secondary light is explained further below
The light-emitting angle of lens corresponding to axis 1131 is greater than the shape of the light-emitting angle of lens corresponding to second secondary optical axis 1132
At principle.Referring again to Fig. 3, along the primary optical axis 111 and it is being parallel to 112 at light source setting described in the section of X/Y plane
On contour line, part corresponding to first secondary optical axis 1131 is curved line, while institute in the contour line of the light-emitting surface 113
Stating part corresponding to the first secondary optical axis 1131 is also curved line.This song of two sections of curved lines on the direction along the primary optical axis
Rate is all positive camber, curvature of the curved line of the certainly described light source setting item for disposal 2 on the direction of the first secondary optical axis 1131
For positive camber.Herein it should be further noted that the direction of the primary optical axis is the light direction of LED chip 12.For
The light-emitting angle of lens corresponding to increase first secondary optical axis 1131 goes out light corresponding to first secondary optical axis 1131
The arc curvature of a curve in face 113 is greater than at the light source setting 112 arc curvature of a curve.Due to 112 at the light source setting
Contour line be curved line, while one end of the curved line is located at the light source setting on the section for be parallel to X/Y plane
112 top, one end is located at the light source setting 112 bottom, so that the received light of the curved line can be with directive YZ
Plane, and then complete the requirement of light distribution.It can also be seen that the setting of light source corresponding to second secondary optical axis 1132 in Fig. 3
The contour line part at place 112 is straight line, and specifically, the straight line is perpendicular to the primary optical axis 111.Second secondary optical axis, 1132 institute simultaneously
The contour line part of corresponding light-emitting surface 113 is curved line.Equally, curvature of the curved line on the direction along primary optical axis is positive
Curvature.Also just because of at light source setting corresponding to first, second secondary optical axis 1131,1,132 112 contour line difference,
So that the light-emitting angle of lens corresponding to the first secondary optical axis 1131 is greater than lens corresponding to second secondary optical axis 1132
Light-emitting angle, so that the emergent light of the first secondary optical axis 1131 is all radiated in YZ plane, and the second secondary optical axis 1132 goes out
Penetrating light can all be radiated in XZ plane, can also be in partial illumination YZ plane, partial illumination is in XZ plane.
The unilateral mirror 11 that shines through is illustrated again below on the section for being parallel to the YZ plane, the light-emitting surface
The structure of 112 contour line at 113 contour line and the light source setting.Referring to Fig. 4, on the section for being parallel to YZ plane
112 contour line is curved line at the light source setting, and the contour line of the light-emitting surface 113 is also curved line, while along institute
The profile curvature of a curve that the light-emitting surface 113 on the direction of primary optical axis 111 is stated at light source setting 112 is all positive camber, and
The profile curvature of a curve of the light-emitting surface 113 is greater than at the light source setting 112 profile curvature of a curve, so that this is unilateral
Shining through the also described light-emitting surface 113 on the direction of parallel Z axis of mirror 11 is also convergent lens, reduces its light-emitting angle, makes institute
State the emergent light all directive YZ planes and XZ plane of light-emitting surface 113.
LED (the Light Emitting Diode) chip 12 is a kind of solid-state that can convert electrical energy into visible light
Semiconductor devices, it can directly convert electricity to light energy.The LED chip 12 is centrally disposed in the unilateral master for shining through mirror 11
On optical axis 111, specifically the optical axis of the LED chip 12 is overlapped with the primary optical axis 111.
The plane of illumination 20 is the position of the LED module 10 irradiation, can be plane, or curved surface.?
In the present embodiment, only for illustrating the present invention, which is plane.The plane of illumination 20 can be in museum
Picture to be illuminated and other items is also possible to a face wall.Along the primary optical axis 111 and be parallel to X/Y plane section in, institute
State the emergent light directive YZ plane of the light-emitting surface 113 corresponding to the first secondary optical axis 1131,1131 institute of the second secondary optical axis
The emergent light directive XZ plane of corresponding light-emitting surface 1131.
Compared with prior art, unilateral LED lens 11 of shining provided by the invention are due to first, second secondary optical axis
1131,1132 pairs of light are assembled, thus the light-emitting angle of the LED chip 12 reduced, simultaneously because the light source is set
The part corresponding with the first secondary optical axis 1131 for setting place 112 is curved line, and the curved line is along primary optical axis 111 and the first secondary light
Curvature on the direction of axis 1131 is positive camber, so that light-emitting surface 112 corresponding to first secondary optical axis 1131 goes out
The YZ plane that light can be equivalent to metope with directive is penetrated, so that only directive needs the region illuminated not cause wave to light
Take, while being conducive to accent light also with protrusion show piece to be illuminated or cargo.And since the second secondary optical axis 1132 is being parallel to
112 contour line main line at light source setting corresponding on the section of X/Y plane, the contour line of light-emitting surface 113 are curved line, can
So that the emergent light of lens corresponding to second secondary optical axis 1132 is assembled to the ground or part directive metope, reach abundant benefit
With the purpose of light.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Mind and the interior made any modifications, equivalent replacements, and improvements of principle etc., should all be included in the protection scope of the present invention.
Claims (8)
1. it is a kind of indoor unilateral according to LED lens, it is unilateral described in cartesian coordinate system to go out light for irradiating according to LED lens
The face YZ and the face XZ, it is characterised in that: the unilateral mirror that shines through includes a primary optical axis, the light being threaded through on the primary optical axis
At the setting of source and a light-emitting surface, along the primary optical axis and to be parallel to light-emitting surface described in the section of X/Y plane include one
A first secondary optical axis and second secondary optical axis, first, second secondary optical axis be arranged in the two sides of the primary optical axis and this
One, lens corresponding to the second secondary optical axis are all positive lens, and the light-emitting angle of lens corresponding to first secondary optical axis is greater than
The light-emitting angle of lens corresponding to second secondary optical axis, the light-emitting surface described in the section for being parallel to YZ plane are positive
Mirror, along the primary optical axis and the portion of contour line and the first secondary optical axis that is parallel at light source setting described in the section of X/Y plane
It is divided into curved line, curvature of the curved line on the direction along the first secondary optical axis is positive camber.
2. indoor unilateral LED lens are shone as described in claim 1, it is characterised in that: along the primary optical axis and are being parallel to
On contour line at light source setting described in the section of X/Y plane, part corresponding to second secondary optical axis is straight line.
3. indoor unilateral LED lens are shone as claimed in claim 2, it is characterised in that: along the primary optical axis and are being parallel to
On the section of X/Y plane, and part corresponding to the first secondary optical axis described in the contour line of the light-emitting surface is curved line, should
Curvature of the curved line on the direction along the primary optical axis is positive camber, and the arc of light-emitting surface corresponding to first secondary optical axis
Shape curvature of a curve is greater than the arc curvature of a curve at the light source setting.
4. as described in claim 1 indoor unilateral according to LED lens, it is characterised in that: on the section for being parallel to YZ plane
Contour line at the light source setting is curved line, which is positive camber along the direction of primary optical axis.
5. as claimed in claim 4 indoor unilateral according to LED lens, it is characterised in that: on the section for being parallel to YZ plane
And the profile curvature of a curve of the light-emitting surface is greater than the song of the contour line at the light source setting along the direction of the primary optical axis
Rate.
6. as described in claim 1 indoor unilateral according to LED lens, it is characterised in that: the primary optical axis is parallel to YZ plane
And perpendicular to the XZ plane.
7. a kind of lighting system, including at least one LED module and one it is corresponding with the LED module illuminated respectively
Face, it is characterised in that: the LED module includes the light direction that the LED chip is arranged in a LED chip and one
On as claim 1 to 6 it is described in any item it is indoor it is unilateral shine LED lens, wherein the optical axis of the LED chip and institute
State key light overlapping of axles.
8. lighting system as claimed in claim 7, it is characterised in that: along the primary optical axis and be parallel to the section of X/Y plane
In, the emergent light directive YZ plane of the light-emitting surface corresponding to first secondary optical axis, corresponding to second secondary optical axis
The emergent light directive XZ plane of light-emitting surface.
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 CN104990036A (en) | 2015-10-21 |
| CN104990036B true CN104990036B (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN104990036B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084340B (en) * | 2017-05-18 | 2023-04-28 | 赛尔富电子有限公司 | Light distribution system of LED lamp |
| US10234689B1 (en) * | 2018-03-09 | 2019-03-19 | Mitsubishi Electric Research Laboratories, Inc. | Compound optics with freeform optical surface |
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| TW201200798A (en) * | 2010-06-25 | 2012-01-01 | Alliance Optotek Co Ltd | Optic element of lighting device and design method thereof |
| CN202598380U (en) * | 2012-04-24 | 2012-12-12 | 叶彬 | Polarizing lens for light-emitting diode (LED) streetlamp |
| TW201407198A (en) * | 2012-08-09 | 2014-02-16 | 玉晶光電股份有限公司 | Lens module for LED light source |
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| CN204786165U (en) * | 2015-06-29 | 2015-11-18 | 赛尔富电子有限公司 | Unilateral LED lens that shine and lighting system thereof |
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| DE102008044967B4 (en) * | 2008-08-29 | 2010-10-07 | Daimler Ag | Lighting device with a plurality of semiconductor light sources |
| TW201248204A (en) * | 2011-05-26 | 2012-12-01 | Asia Vital Components Co Ltd | Optical lens and lighting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201200798A (en) * | 2010-06-25 | 2012-01-01 | Alliance Optotek Co Ltd | Optic element of lighting device and design method thereof |
| CN202598380U (en) * | 2012-04-24 | 2012-12-12 | 叶彬 | Polarizing lens for light-emitting diode (LED) streetlamp |
| TW201407198A (en) * | 2012-08-09 | 2014-02-16 | 玉晶光電股份有限公司 | Lens module for LED light source |
| CN104214672A (en) * | 2013-05-29 | 2014-12-17 | 林万炯 | Lens column and lighting system with same |
| CN103807806A (en) * | 2014-01-22 | 2014-05-21 | 宜兴市宏力灯杆灯具有限公司 | COB module LED road lamp lens light distribution method allowing 3-5 lanes to be irradiated |
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| Publication number | Publication date |
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| CN104990036A (en) | 2015-10-21 |
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