CN208764703U - Light distribution element and lamps and lanterns - Google Patents
Light distribution element and lamps and lanterns Download PDFInfo
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- CN208764703U CN208764703U CN201821689804.7U CN201821689804U CN208764703U CN 208764703 U CN208764703 U CN 208764703U CN 201821689804 U CN201821689804 U CN 201821689804U CN 208764703 U CN208764703 U CN 208764703U
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- light
- distribution element
- plane
- emitting window
- light distribution
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Classifications
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- 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
-
- 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
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
This application discloses a kind of light distribution element and lamps and lanterns.Light distribution element includes lens section, reflector and light-source chamber, reflector has side wall, light inlet and light-emitting window, lens section is located at the inside of reflector and portion is connected with light inlet, light-source chamber is recessed to light-emitting window direction away from a side surface of light-emitting window from lens section and is formed, and the section of light distribution element is symmetrical structure；Light-source chamber is surrounded jointly by the plane of incidence and light splitting side, and in section, the plane of incidence is located at the side that light-source chamber closes on light-emitting window, and light splitting side is located at the two sides of the plane of incidence；Lens section has fully reflecting surface and plane of refraction, and fully reflecting surface is located at lens section towards the side of light-emitting window, and fully reflecting surface is the V-shaped that middle part is protruded to light inlet direction, and plane of refraction connects fully reflecting surface and reflector.Lamps and lanterns include LED lamp bead and light distribution element, and LED lamp bead is located in light-source chamber.Light distribution element and lamps and lanterns provided by the embodiment of the present application can be improved light mixing effect, effectively optimize macula lutea phenomenon.
Description
Technical field
This application involves lighting technical field more particularly to a kind of light distribution element and lamps and lanterns.
Background technique
With the increasingly raising of people's living standard, increasingly emphasis quality of the life.Graceful illuminating ray can be environment
Increase more aesthetic feelings, to build more fine vision grand banquet for people.In order to form different types of illuminating ray, people
Have devised a plurality of types of lamps and lanterns, shot-light be it is one of, can be used for local daylighting, set off atmosphere by contrast.
In the related art, light distribution element 1 ' used by some shot-lights by middle part lens section 10 ' and periphery it is anti-
Emitter 12 ' collectively forms (referring to Fig. 1), is internally provided with light-source chamber 14 ' in lens section 10 ', passes through light-source chamber 14 ', lens
Portion 10 ' and reflector 12 ' can converge light, and be formed by light type with more apparent dead line, this
It has been preferably a kind of light distribution element of light distribution effect.
However, due in this light distribution element 1 ' a part of light directly by lens section 10 ' arrive at reflector 12 ' go out light
Mouth 120 ', and another part light can first refract to reflector 12 ' and reflex to light-emitting window 120 ' again, therefore lead to two parts light
Optical path difference it is larger, light mixing is uneven, and the light that this part directly passes through lens section 10 ' will form local macula lutea, therefore
Light distribution effect is still undesirable.
Utility model content
The embodiment of the present application provides a kind of light distribution element and lamps and lanterns, to solve the above problems.
The embodiment of the present application adopts the following technical solutions:
In a first aspect, the embodiment of the present application provides a kind of light distribution element, including lens section, reflector and light-source chamber,
The reflector has side wall and constrains the light inlet and light-emitting window formed by the side wall, and the lens section is located at described anti-
The inside and portion of emitter are connected with the light inlet, and the light-source chamber is deviated from a side surface of the light-emitting window by the lens section
It is recessed to be formed to the light-emitting window direction, the light distribution element is at least on a direction perpendicular to the light inlet
Section is the symmetrical structure for possessing symmetry axis；
The light-source chamber is surrounded jointly by the plane of incidence and light splitting side, and in the section, the plane of incidence is located at institute
The side that light-source chamber closes on the light-emitting window is stated, the light splitting side is located at the two sides of the plane of incidence；
The lens section has fully reflecting surface and plane of refraction, and in the section, the fully reflecting surface is located at described
Towards the side of the light-emitting window, the fully reflecting surface is the V-shaped that middle part is protruded to the light inlet direction, the folding in mirror portion
It penetrates face and connects the fully reflecting surface and the reflector；
In the section, the reflector is gradually expanded by the light inlet to the light-emitting window.
Optionally, in above-mentioned light distribution element, the plane of incidence is the cambered surface protruded towards the light inlet.
Optionally, in above-mentioned light distribution element, in the section, two sides of the V-shaped are described in
The curve of light-emitting window protrusion.
Optionally, in above-mentioned light distribution element, the plane of refraction by close on one end of the light inlet to close on it is described go out
One end of optical port moves closer to the symmetry axis.
Optionally, in above-mentioned light distribution element, the surface of the side wall is provided with reflected coat layer.
Optionally, in above-mentioned light distribution element, the side wall is placed with multiple sawtooth knots away from the surface of the lens section
Structure, the broached-tooth design extend to the light-emitting window by the light inlet.
Optionally, in above-mentioned light distribution element, the light distribution element is draw configuration.
Optionally, in above-mentioned light distribution element, the light distribution element is revolution configuration.
Optionally, in above-mentioned light distribution element, the light distribution element is integral molded plastic molding structure.
Second aspect, the embodiment of the present application provide a kind of lamps and lanterns, including LED lamp bead and the light distribution element, institute
LED lamp bead is stated to be located in the light-source chamber.
Optionally, in above-mentioned lamps and lanterns, the light that the LED lamp bead is issued is divided into two parts, enters described in a part warp
Penetrate face, the fully reflecting surface, the plane of refraction, the side wall are transferred to the light-emitting window, another part through the light splitting side,
The plane of refraction, the side wall are transferred to the light-emitting window.
The embodiment of the present application use at least one above-mentioned technical solution can reach it is following the utility model has the advantages that
LED lamp bead can be exposed to the plane of incidence and light splitting side by light distribution element and lamps and lanterns disclosed in the embodiment of the present application
Whole light reflex to light-emitting window through reflector, reduce the optical path difference of two parts light, improve light mixing effect, effectively
Optimize macula lutea phenomenon.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the sectional view for the light distribution element that the application background technique provides；
Fig. 2 is the sectional view of light distribution element disclosed in the embodiment of the present application；
Fig. 3 is the overview of tension type light distribution element disclosed in the embodiment of the present application；
Fig. 4 is the overview of rotary type light distribution element disclosed in the embodiment of the present application；
Fig. 5 is the section view three-dimensional view of rotary type light distribution element disclosed in the embodiment of the present application；
Fig. 6 is light distribution line map of the light distribution element disclosed in the embodiment of the present application to low-angle light；
Fig. 7 is light distribution line map of the light distribution element disclosed in the embodiment of the present application to high angle scattered light；
Fig. 8 is the light distribution line map of broached-tooth design disclosed in the embodiment of the present application；
Fig. 9 is the overview of shot-light disclosed in the embodiment of the present application.
Description of symbols:
1 '-light distribution element, 10 '-lens sections, 12 '-reflectors, 120 '-light-emitting windows, 14 '-light-source chambers；
1- light distribution element, 10- lens section, 100- fully reflecting surface, 102- plane of refraction, 12- reflector, 120- light-emitting window,
122- light inlet, 124- side wall, 124a- broached-tooth design, 14- light-source chamber, the 140- plane of incidence, 142- are divided side；
2- shot-light；
3-LED lamp bead.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
Below in conjunction with attached drawing, the technical scheme provided by various embodiments of the present application will be described in detail.
The embodiment of the present application discloses a kind of light distribution element 1.As shown in Figures 2 to 5, light distribution element 1 include lens section 10,
Reflector 12 and light-source chamber 14, reflector 12 have side wall 124 and by side wall 124 constrain the light-emitting window 120 that is formed and
Light inlet 122, and reflector 12 is gradually expanded by light inlet 120 to light-emitting window 122.Lens section 10 is located at the interior of reflector 12
Portion and portion is connected with light inlet 122, light-source chamber 14 from lens section 10 away from a side surface of light-emitting window 120 to 120 institute of light-emitting window
It is recessed to be formed in direction.
In the present embodiment, section of the light distribution element 1 at least on a direction perpendicular to light inlet 122 is to possess symmetrically
The symmetrical structure (referring to fig. 2) of axis a.Wherein, which can be draw configuration (referring to Fig. 3), at this time light distribution element 1
With length direction, and the section of light distribution element 1 in the direction of the width is the symmetrical structure for possessing symmetry axis a, i.e. light distribution at this time
Element 1 possesses the plane of symmetry extended along its length.In addition to this, the light distribution element 1 in the present embodiment or revolution structure
Type (referring to fig. 4 and Fig. 5), each section by central shaft of the light distribution element 1 is symmetrical structure at this time, and symmetry axis
A is central axis.
In the section, reflector 12 is gradually expanded by light inlet 122 to light-emitting window 120, forms open configuration, reflector
12 reflect light by its side wall 124.Under normal conditions, the side wall of reflector 12 can show the song of slightly evagination
Face, to collimate reflected light more.It, can be by the way that reflected coat layer be arranged on the surface of side wall 124 in the present embodiment
Reflection light can also pass through these sawtooth knots in side wall 124 away from the multiple broached-tooth design 124a of the surface of lens section 10 arrangement
The reflecting effect to light is realized in the two neighboring continuous quadratic reflection carried out in face of light of structure 124a (referring to Fig. 8).The saw
Toothing 124a extends to light-emitting window 120 by light inlet 122, that is, covers entire side wall 124.
Light-source chamber 14 in the present embodiment is surrounded jointly by the plane of incidence 140 and light splitting side 142, referring to fig. 2, in section
Interior, the plane of incidence 140 is located at light-source chamber 14 and closes on the side of light-emitting window 120, and be divided side 142 divide for two parts be located at into
Penetrate the two sides in face 140.According to the various configuration of light distribution element 1, the light distribution element 1 in the present embodiment can be applied to variety classes
Lamps and lanterns, for example, by using revolution configuration light distribution element 1 can be applied to shot-light 2 (referring to Fig. 9).When using the light distribution element 1
Lamps and lanterns after the assembly is completed, LED lamp bead 3 is located in light-source chamber 14, as shown in fig. 6, closing in the light that LED lamp bead 3 is issued
Low-angle (close with the direction of the symmetry axis a) light at center can enter lens section 10 by the plane of incidence 140, as shown in fig. 7,
Wide-angle (larger with the angle of symmetry axis a) light positioned at outside that LED lamp bead 3 is issued then can be by light splitting side 142
Into lens section 10.
Lens section 10 has fully reflecting surface 100 and plane of refraction 102, and in section, fully reflecting surface 100 is located at lens section 10
Towards the side of light-emitting window 120, and shape of the fully reflecting surface 100 in section is the V that middle part is protruded to 122 direction of light inlet
Font.Plane of refraction 102 is then in the periphery of fully reflecting surface 100, has connected fully reflecting surface 100 and reflector 102.
Low-angle light enters after lens section 10 by the plane of incidence 140 directly to be penetrated by the other side of lens section 10
Out, it but can be transferred on fully reflecting surface 100, fully reflecting surface 100 can reflex to this some light with symmetry axis a close to vertical
Wide-angle and directive plane of refraction 102.At the same time, the high angle scattered light into light splitting side 142 also can directive plane of refraction
102.This two strands of light can all be projected to the side wall 124 of reflector 12 after the refraction of plane of refraction 102, and finally by side wall
124 reflex to light-emitting window 120.
So far, the low-angle light that LED lamp bead 3 is issued is through the plane of incidence 140, fully reflecting surface 100, plane of refraction 102, side wall
124 are transferred to light-emitting window 120 (referring to Fig. 6), and the high angle scattered light that LED lamp bead 3 is issued is through being divided side 142, plane of refraction
102, side wall 124 is transferred to light-emitting window 120 (referring to Fig. 7), and the light path of low-angle light is greatly improved, therefore two parts light
Optical path difference substantially reduced.Therefore light distribution element 1 provided by the present embodiment can have more excellent light mixing effect,
Macula lutea phenomenon is obviously optimized.
In section, two sides of the fully reflecting surface 100 of V-shaped can use form of straight lines, and fully reflecting surface is each at this time
The normal at place is consistent.And in order to obtain better light distribution effect, two sides can also be all made of towards the protrusion of light-emitting window 120
Curve shape can play the role of certain convergence, to further strengthen light mixing effect to reflection light in this way.
In the present embodiment, since the fully reflecting surface 100 of lens section 10 is capable of reflecting light line, so if fully reflecting surface
100 is excessive, it is possible that the light that a large amount of reflectors 12 are reflected secondary reflection again, causes the loss of luminous energy.And reduce total reflection
Although the overlay area in face 100 can reduce again the probability of secondary reflection, but also will increase low-angle light and expose to fully reflecting surface
100 difficulty.The plane of incidence 140 can be designed as the cambered surface protruded towards light inlet 122 in the present embodiment, utilize the remittance of cambered surface
The angle of the poly- adjustable low-angle light of characteristic, converges to it on fully reflecting surface 100.
In the present embodiment, light distribution element 1 can be manufactured using integral molded plastic moulding process, and lens section 10 is due to deeply
Inside reflector 12, therefore it is larger to demould difficulty.In order to reduce demoulding difficulty, plane of refraction 102 can be designed as by close on into
One end of optical port 122 moves closer to the shape of symmetry axis a to the one end for closing on light-emitting window 120, thus make lens section 10 integrally be in
Reveal down big up small shape, reduces demoulding difficulty.
In conclusion light distribution element and lamps and lanterns provided by the embodiment of the present application can be improved light mixing effect, it is effectively excellent
Macula lutea phenomenon is changed.
Emphasis describes the difference between each embodiment, difference between each embodiment in the application foregoing embodiments
As long as optimization feature non-contradiction, can combine to form more preferably embodiment, it is contemplated that style of writing is succinct, then no longer superfluous at this
It states.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (11)
1. a kind of light distribution element, which is characterized in that including lens section, reflector and light-source chamber, the reflector has side wall
And the light inlet and light-emitting window formed is constrained by the side wall, the lens section is located at the inside of the reflector and portion and institute
Light inlet is stated to be connected, the light-source chamber from the lens section away from a side surface of the light-emitting window to the light-emitting window place side
It is formed to recess, section of the light distribution element at least on a direction perpendicular to the light inlet is to possess symmetry axis
Symmetrical structure；
The light-source chamber is surrounded jointly by the plane of incidence and light splitting side, and in the section, the plane of incidence is located at the light
Source chamber closes on the side of the light-emitting window, and the light splitting side is located at the two sides of the plane of incidence；
The lens section has fully reflecting surface and plane of refraction, and in the section, the fully reflecting surface is located at the lens section
Towards the side of the light-emitting window, the fully reflecting surface is the V-shaped that middle part is protruded to the light inlet direction, the plane of refraction
Connect the fully reflecting surface and the reflector；
In the section, the reflector is gradually expanded by the light inlet to the light-emitting window.
2. light distribution element according to claim 1, which is characterized in that the plane of incidence is to protrude towards the light inlet
Cambered surface.
3. light distribution element according to claim 1, which is characterized in that in the section, two sides of the V-shaped
It is the curve protruded towards the light-emitting window.
4. light distribution element according to claim 1, which is characterized in that the plane of refraction is by closing on one end of the light inlet
The symmetry axis is moved closer to the one end for closing on the light-emitting window.
5. light distribution element according to any one of claims 1 to 4, which is characterized in that the surface of the side wall is provided with instead
Penetrate coating.
6. light distribution element according to any one of claims 1 to 4, which is characterized in that the side wall deviates from the lens section
Surface be placed with multiple broached-tooth designs, the broached-tooth design extends to the light-emitting window by the light inlet.
7. light distribution element according to any one of claims 1 to 4, which is characterized in that the light distribution element is draw configuration.
8. light distribution element according to any one of claims 1 to 4, which is characterized in that the light distribution element is revolution configuration.
9. light distribution element according to any one of claims 1 to 4, which is characterized in that the light distribution element is integral molded plastic
Molding structure.
10. a kind of lamps and lanterns, which is characterized in that including LED lamp bead and the described in any item light distribution elements of claim 1 to 9, institute
LED lamp bead is stated to be located in the light-source chamber.
11. lamps and lanterns according to claim 10, which is characterized in that the light that the LED lamp bead is issued is divided into two parts,
A part is transferred to the light-emitting window, another part through the plane of incidence, the fully reflecting surface, the plane of refraction, the side wall
The light-emitting window is transferred to through the light splitting side, the plane of refraction, the side wall.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821689804.7U CN208764703U (en) | 2018-10-18 | 2018-10-18 | Light distribution element and lamps and lanterns |
| PCT/CN2019/112032 WO2020078475A1 (en) | 2018-10-18 | 2019-10-18 | Light distribution element and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821689804.7U CN208764703U (en) | 2018-10-18 | 2018-10-18 | Light distribution element and lamps and lanterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208764703U true CN208764703U (en) | 2019-04-19 |
Family
ID=66137368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821689804.7U Active CN208764703U (en) | 2018-10-18 | 2018-10-18 | Light distribution element and lamps and lanterns |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208764703U (en) |
| WO (1) | WO2020078475A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078475A1 (en) * | 2018-10-18 | 2020-04-23 | 欧普照明股份有限公司 | Light distribution element and lamp |
| CN113410374A (en) * | 2021-06-17 | 2021-09-17 | 中国科学院半导体研究所 | Mixed-color LED device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620241A (en) * | 2012-03-01 | 2012-08-01 | 东莞雷笛克光学有限公司 | Improved structure of reflecting lamp cup for improving condensation effect |
| US9897284B2 (en) * | 2012-03-28 | 2018-02-20 | Ledengin, Inc. | LED-based MR16 replacement lamp |
| CN104633540A (en) * | 2013-11-15 | 2015-05-20 | 广东德豪润达电气股份有限公司 | Reflector lamp |
| CN206001401U (en) * | 2016-08-30 | 2017-03-08 | 欧普照明股份有限公司 | A kind of lens |
| CN106678739A (en) * | 2017-02-15 | 2017-05-17 | 欧普照明股份有限公司 | Reflection device and light source module |
| CN207018852U (en) * | 2017-07-25 | 2018-02-16 | 深圳市兆码电子有限公司 | A kind of LED reflection lens |
| CN208764703U (en) * | 2018-10-18 | 2019-04-19 | 欧普照明股份有限公司 | Light distribution element and lamps and lanterns |
-
2018
- 2018-10-18 CN CN201821689804.7U patent/CN208764703U/en active Active
-
2019
- 2019-10-18 WO PCT/CN2019/112032 patent/WO2020078475A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078475A1 (en) * | 2018-10-18 | 2020-04-23 | 欧普照明股份有限公司 | Light distribution element and lamp |
| CN113410374A (en) * | 2021-06-17 | 2021-09-17 | 中国科学院半导体研究所 | Mixed-color LED device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020078475A1 (en) | 2020-04-23 |
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