CN104654085A - LED (Light-Emitting Diode) illumination equipment with baffle - Google Patents
LED (Light-Emitting Diode) illumination equipment with baffle Download PDFInfo
- Publication number
- CN104654085A CN104654085A CN201510086067.6A CN201510086067A CN104654085A CN 104654085 A CN104654085 A CN 104654085A CN 201510086067 A CN201510086067 A CN 201510086067A CN 104654085 A CN104654085 A CN 104654085A
- Authority
- CN
- China
- Prior art keywords
- led
- shield member
- secondary lens
- lens component
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
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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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
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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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
The invention provides LED (Light-Emitting Diode) illumination equipment with a baffle. The LED illumination equipment with the baffle is used for illuminating a preferable side along downward and outward directions. The LED equipment comprises a layer-formed shield component located above an LED capsulation part and a secondary lens component; the shield component is equipped with a shield part and a non-shield part which is approximately flat around. In a preferable embodiment, the shield part extends above one part of a lens part of the secondary lens component. The shield component is preferably fixed by a cover relative to the secondary lens component, a main lens and the LED capsulation part; the shield component is preferably clamped between the cover and a flange of the secondary lens component.
Description
Technical field
The present invention relates generally to field of illumination systems, relates more specifically to for utilizing LED (light emitting diode) source towards preferential side with the lighting apparatus of predetermined light intensity pattern illuminated area.
Background technology
Continuous demand low cost and energy-conservation lighting apparatus.LED provides energy-conservation light source, and As time goes on the progress of LED technology is providing higher efficiency.Utilize LED to change into low material usage in the light fixture comprising this light source as the small size of an advantage only this light source of light source, thus bring subsidiary cost benefit.
The preferred properties of the illuminator of various uses requires to relate to the free degree of " light spilling " in undesirably field of illumination.Such as, preferably road and parking lot lighting systems have excellent Light distribation on region to be illuminated, but adjacent area avoids illumination as far as possible.More particularly, when providing illumination to road or parking lot, need to guide light and to avoid the intrusion on adjacent house property to throw light on by downward and preferred horizontal direction simultaneously.When utilizing LED as being difficult to solve this type of worry during light source, all the more so when especially utilizing many LED in single light fixture.
The various LED lamp with light shield are developed.The example of this prior art light fixture is disclosed: patent No.7 in following United States Patent (USP), 019,334 (Yatsuda etc.), patent No.6,972,439 (Kim etc.) and patent gazette No.US 2006/0175626 (Wall Jr.) and US 2006/0158080 (Nakano etc.).
The LED light fixture of the shielded prior art of tool has some shortcoming and defect that the present invention will solve.Specifically, need the improvement LED light fixture with baffle, described baffle is convenient to accurate manufacture and is had improvement Light distribation effect (comprise and avoid non-preferential side Light distribation) simultaneously.It is desirable that the LED lamp of the band baffle of manufacturing cost economy can provide high level to export in large field of illumination along preferred orientations, minimize the light along non-preferred direction simultaneously.
Summary of the invention
The object of this invention is to provide the LED lighting apparatus of band baffle, what which overcome prior art comprises above some problem of relating to and shortcoming.
Another object of the present invention is to provide the LED lighting apparatus of the band baffle comprising many LED light fixture, and this baffle is convenient to accurate manufacture in nature.
Another object of the present invention is to provide the LED lighting apparatus of band baffle, and it has the Light distribation effect of above advantage and improvement, comprises the Light distribation avoiding non-preferential side.
Another object of the present invention is to provide the LED lighting apparatus of band baffle, and this baffle is particularly suitable for the LED light fixture providing high-level light output to the large field of illumination of road and parking lot and so on.
Another object of the present invention is to provide the LED lighting apparatus of band baffle, and it has the above-mentioned advantage utilizing the shielding of above-mentioned pattern guiding light in the mode of economical.
These and other objects of the present invention will be known from following explanation and accompanying drawing.
The present invention is a kind of for along downwards and the outward direction LED device of throwing light on towards the improvement of preferential side.This equipment is such type, and it comprises: installing plate; The LED encapsulation with main lens on this installing plate, described main lens has central axial line; And secondary lens component, it to be positioned at above described main lens and to set up light path between.Of the present invention this improves equipment and comprises the shield member of the layer form be positioned at above described installing plate, LED and secondary lens component, and this shield member has the unmasked portion of shielding part and general planar around thereof.
In some preferred embodiment, described shield member has the shield member hole aimed at described light path, and described shielding part defines this shield member hole.Most preferably, described secondary lens component comprises lens section and flange around thereof; And described shielding part extends above a part for the lens section of described secondary lens component.It is desirable for that described shield member has the shield member hole aimed at described light path, described shielding part defines this shield member hole.
Preferably, described secondary lens component is asymmetrical and has such lighting pattern, and this lighting pattern has preferential side and non-preferential side.Described shielding part is positioned to tackle the light in described non-preferential side.Preferred embodiment comprises the cover relative to the fixing described shield member of described secondary lens component, described main lens and described LED encapsulation.Described cover has the opening aimed at described light path.
Preferred embodiment comprises the shield member between the flange being clamped in described cover and described secondary lens component.Preferably, the flange of described secondary lens component is against described installing plate.When described cover is secured in place, the unmasked portion of described shield member and the flange of described secondary lens component are clamped.
In some embodiments, between described shield member and described secondary lens, elastic insert is arranged.Most preferably, described shielding part has the reflecting surface towards described secondary lens.
In highly preferred embodiment, described LED encapsulation, secondary lens component and shielding part are multiple LED encapsulation, multiple secondary lens component and multiple shielding part.Preferably, described LED is encapsulated on described installing plate and is spaced from each other.It is most preferred that, each secondary lens component is all positioned at above the main lens of corresponding LED, and each primary-lens/secondary-lens-member is to setting up light path and having central axial line.Further preferably, there are multiple shielding parts of described shield member.The equal local positioning of each shielding part in each primary-lens/secondary-lens-member to top, thus a part of light that interception is launched from corresponding LED encapsulation.
For comprising installing plate and the LED encapsulation with main lens on it along downward and outward direction in some embodiments towards the LED equipment that preferential side is thrown light on, this main lens has central axial line.This improves equipment and comprises the shield member of the layer form be positioned at above installing plate and LED.Described shield member has the unmasked portion of shielding part and general planar around thereof.
Terminology used here " downwards " is the description of conveniently the present invention and aspect thereof, and never in any form specified devices along the use of any orientation.In other words, " downwards " can't help gravity direction restriction.Thus, if the light fixture comprising light-directing led equipment of the present invention disclosed herein orientation upwards but not downwards, or along a certain horizontal orientation direction, then term " downwards " is containing such meaning.Important application due to present device is from vertical light beam illumination ground, thus employs term " downwards ".Note, such " downwards " direction is depicted as approximately towards upper by accompanying drawing substantially, because the image on the compound outer lens surface of secondary lens is clearly visible in such orientation the best in stereogram.
Terminology used here " LED encapsulation " refers to the assembly of the main lens comprised above substrate, at least one LED suprabasil (being sometimes referred to as " mould (die) ") and mould.One or more---being generally several---LED arranges on a mounting board and forms the form being called " LED module ".One or more LED module is used as the light source of various innovative lighting fixtures.
When the most typical apply of present device is for being arranged in so-called LED module by multiple this kind of device, in light fixture, use one or more LED module to realize the illumination expected.Road and parking lot are such application, but also there is other application multiple of this kind of device.
Detailed description of the invention
Fig. 1-4 and Fig. 9 illustrates for along 48 and outward direction 49 LED device 10 of throwing light on towards preferential side 36 in downward direction.LED device 10 comprises: installing plate 12; The LED 14 with main lens 16 on this installing plate, this main lens 16 has central axial line 18; And secondary lens component 20, it is positioned at above main lens 16 also sets up light path 22 between.As depicted in figs. 1 and 2, installing plate 12 is connected to fin 54.One or more (being generally several) LED 14 is arranged on installing plate 12 and forms so-called LED module 58.One or more LED module 58 is used as various innovative lighting fixtures.
As shown in Figure 3, the shield member 24 of layer form is positioned at above installing plate 12, LED 14 and secondary lens component 20.Shield member 24 has the unmasked portion 28 of shielding part 26 and substantially flat around thereof, seen in Fig. 6.Fig. 5 and Fig. 6 illustrates that shield member 24 has the shield member hole 30 aimed at light path 22, and shielding part 26 defines shield member hole 30.
As shown in Figures 7 and 8, secondary lens 20 comprise lens section 32 and the flange part 34 around thereof of substantially transparent.Lens section 32 is adjacent with flange part 34, as shown in Fig. 7 and Fig. 8.Shielding part 26 extends above a part for secondary lens component 20.Secondary lens component 20 is asymmetrical, and has lighting pattern 50, and this lighting pattern 50 has preferential side 36 and non-preferential side 38, as shown in Fig. 9-11.Shielding part 26 is positioned to tackle the light in non-preferential side 38.
In Figure 10 and Figure 11, secondary lens 20 limit the preferential side represented by Reference numeral 36.Figure 10 and Figure 11 also represents the direction of non-preferential side 38 towards the opposite with Reference numeral 38.
Figure 10 and Figure 11 illustrates the two-dimensional illumination intensity distribution 50 of the embodiment comprising LED 14, single main lens 16 and single secondary lens 20.Optical ray-tracing software is utilized to simulate the illumination sent from LED device 10 and the pattern 50 produced in Figure 10 and Figure 11.
The brightness of the lighting pattern 50 in Figure 11 illustrates that the relative intensity utilizing shield member layer 24 distributes, show that the light of the significant proportion sent from equipment 10 is rebooted towards preferential side 36 by the shield member layer 24 of equipment 10, and non-preferential side 38 only has invade light on a small quantity.Figure 10 illustrates the relative intensity distribution when not having shield member layer 24, shows that the light from equipment 10 is not stopped, thus produces in non-preferential side 38 and invade light in a large number.
Fig. 1-4 illustrates that cover 40 is relative to secondary lens 20, main lens 16 and LED 14 fixed mask component 24.Cover 40 has the opening 42 aimed at light path 22, as shown in Fig. 1-3.Shield member 24 is clamped between the flange 34 of cover 40 and secondary lens component 20.
As shown in Fig. 6, when cover 40 is secured in place, the unmasked portion 28 of shield member 24 and the flange 34 of secondary lens component 20 are clamped.In some embodiments, the flange 34 of secondary lens 20 is clamped against installing plate 12.
In some embodiments, as shown in Figure 6, the shielding part 26 of shield member 24 has the reflecting surface 44 towards secondary lens component 20.In another embodiment of LED device 10, confinement barrier components layer---such as liner 46---is clamped between shield member 24 and secondary lens component 20, as shown in Figure 3.In an embodiment again of LED device 10, aluminium lamination 56 is clamped between installing plate 12 and secondary lens 20, seen in Fig. 3.
LED device 10 can be only made up of the main lens 16 of the LED of on installing plate 12 14 and correspondence, secondary lens component 20 and shield member 24, or is made up of the main lens 16 of the multiple LED 14 on installing plate 12 and correspondence, secondary lens component 20 and shield member 24.
In some embodiment shown in Fig. 3, multiple LED encapsulation 14 is spaced from each other on installing plate 12.Also there is multiple secondary lens component 20 in some embodiments, as shown in Fig. 3.Each secondary lens component 20 is positioned at above the main lens 16 of corresponding LED 14.Each primary-lens/secondary-lens-member sets up light path 22 to 52, and has central axial line 18, as shown in Figure 6.Also there are multiple shielding parts 26 of shield member 24 in some embodiments, as shown in Figure 3.As shown in figs. 3 and 6, each shielding part 26 all local is positioned at each primary-lens/secondary-lens-member to above 52, thus a part of light paths 22 that interception is launched from the LED encapsulation 14 of correspondence.
Here the multiple parts discussed and illustrate can apply wide region material.Although describe the principle of this equipment according to detailed description of the invention, but it should be clearly know that these descriptions are only made by way of example, be not intended to limit the scope of the invention.
Accompanying drawing explanation
Accompanying drawing shows the preferred embodiment comprising These characteristics of the present invention and feature.The present invention is will readily appreciate that from these explanations and accompanying drawing.In the accompanying drawings:
Fig. 1 is the stereogram of LED illumination device of the present invention, and this LED lighting apparatus is a part for light fixture;
Fig. 2 is the front view of the lighting apparatus of Fig. 1;
Fig. 3 is the exploded perspective view of the lighting apparatus of Fig. 1;
Fig. 4 is the top view of the lighting apparatus of Fig. 1;
Fig. 5 is the partial view of the shielding part of shield member layer;
Fig. 6 is the sectional view taken along the section 7-7 shown in Fig. 4;
Fig. 7-8 is stereograms of one of the secondary lens of the lighting apparatus of Fig. 1, basically illustrates the outer lens surface of secondary lens;
Fig. 9 is the schematic isometric of the lamppost built with the light fixture comprising LED equipment of the present invention; This lamppost is located along road side.
But Figure 10 is the two-dimensional illumination intensity distribution with above-mentioned the lighting apparatus light fixture not with screen layer in such as Fig. 9.This light fixture is not shown in the present invention but be not prior art.
Figure 11 has above-mentioned lighting apparatus and the two-dimensional illumination intensity distribution of light fixture with screen layer in such as Fig. 9.
Claims (3)
1. be with the LED lighting apparatus of baffle, it in downward direction throws light on towards preferential side with outward direction for edge, and described LED device comprises: (a) installing plate, the LED encapsulation with main lens on (b) this installing plate, described main lens has central axial line, and (c) secondary lens component, it to be positioned at above described main lens and to set up light path between, secondary lens component comprises lens section and flange around thereof, it is characterized in that, described secondary lens component is asymmetrical and has such lighting pattern, and this lighting pattern has preferential side and non-preferential side, and described LED device comprises and is positioned at described installing plate, the shield member of the layer form above LED and secondary lens component, described shield member has the unmasked portion of shielding part and general planar around thereof, described shield member also has the shield member hole aimed at described light path, described shielding part is made to define described shield member hole, described shielding part extends above a part for the lens section of described secondary lens component, and be positioned to tackle the light in described non-preferential side, described LED device also comprises relative to described secondary lens component, described main lens and described LED encapsulate the cover of fixing described shield member.
2. at the LED lighting apparatus according to band baffle according to claim 1, it is characterized in that, described cover has the opening aimed at described light path, and described shield member is clamped between the flange of described cover and described secondary lens component.
3. according to the LED lighting apparatus of band baffle according to claim 2, it is characterized in that, the flange of described secondary lens component is against described installing plate, and when described cover is secured in place, the unmasked portion of described shield member and the flange of described secondary lens component are clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086067.6A CN104654085A (en) | 2015-02-25 | 2015-02-25 | LED (Light-Emitting Diode) illumination equipment with baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086067.6A CN104654085A (en) | 2015-02-25 | 2015-02-25 | LED (Light-Emitting Diode) illumination equipment with baffle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104654085A true CN104654085A (en) | 2015-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510086067.6A Pending CN104654085A (en) | 2015-02-25 | 2015-02-25 | LED (Light-Emitting Diode) illumination equipment with baffle |
Country Status (1)
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| CN (1) | CN104654085A (en) |
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| CN204100134U (en) * | 2014-08-28 | 2015-01-14 | 深圳市大族元亨光电股份有限公司 | A kind of LED lens and lens module |
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| JP2004355934A (en) * | 2003-05-28 | 2004-12-16 | Toshiba Lighting & Technology Corp | Light emitting diode lighting system |
| CN101675293A (en) * | 2007-10-17 | 2010-03-17 | Lsi工业公司 | Roadway luminaire and methods of use |
| CN101939583A (en) * | 2008-02-06 | 2011-01-05 | 奥斯兰姆有限公司 | Lighting module, lighting apparatus and the method that is used to throw light on |
| CN102016395A (en) * | 2008-03-05 | 2011-04-13 | 克利公司 | Optical system for batwing distribution |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150527 |
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