CN204648114U - Led lamp cup lens - Google Patents
Led lamp cup lens Download PDFInfo
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- CN204648114U CN204648114U CN201520194642.XU CN201520194642U CN204648114U CN 204648114 U CN204648114 U CN 204648114U CN 201520194642 U CN201520194642 U CN 201520194642U CN 204648114 U CN204648114 U CN 204648114U
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- lens
- led
- lamp cup
- light
- emitting source
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- 238000007598 dipping method Methods 0.000 claims abstract description 6
- 239000011324 bead Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 235000017060 Arachis glabrata Nutrition 0.000 abstract description 12
- 241001553178 Arachis glabrata Species 0.000 abstract description 12
- 235000010777 Arachis hypogaea Nutrition 0.000 abstract description 12
- 235000018262 Arachis monticola Nutrition 0.000 abstract description 12
- 235000020232 peanut Nutrition 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005286 illumination Methods 0.000 abstract description 5
- 238000000149 argon plasma sintering Methods 0.000 abstract description 3
- 230000004907 flux Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Basis is novel discloses a kind of LED lamp cup lens, and it comprises the Lamp cup lens body for LED light emitting source luminous intensity distribution, forms cup lens body because Lamp cup lens body comprises susceptor surface, reflecting surface, lens light output surface, refractive surface and lens inner chamber outer surface.Described reflection kernel point, refractive central point, the bright dipping central point of inner concave on lens light output surface, the lumen centers point of lens inner chamber is co-located on same axial line.During use, light discharges from LED light emitting source, and a part of light through after cup lens body interior media, then is discharged into the external world by lens light output surface and refractive surface; Another part light scattering is to reflecting surface, the external world is discharged into lens light output surface and refractive surface again by reflective surface reflects, fully the light that LED light emitting source distributes can be discharged into the external world, avoid the loss causing light in prior art because of distant between shelled peanut lens surface projection and planar lens, thus reach the effect improving light utilization and light illumination.
Description
[Ji Intraoperative field]
Basis is novel relates to a kind of LED light luminous intensity distribution instrument, refers in particular to the LED lamp cup lens in a kind of LED lens and LED lens mould prescription face.
[Bei Jing Ji Intraoperative]
There is various light distribution device in currently available technology, because LED easily realizes various forms of luminous intensity distribution, and extensively used by light trade.Wherein in LED luminous intensity distribution, the most frequently used technological means carries out luminous intensity distribution design by secondary optical lens, namely install on the basis making intact single LED lamp independently lens to carry out luminous intensity distribution design.The lens adopted are generally the lens of Merlon (PC) material, and these lens, independent of outside single LED lamp, are called secondary lens.Secondary lens and single LED lamp light emitting source form optical system jointly, and obtain target luminous intensity distribution form.C-planar system is a kind of conventional measurement and describes the coordinate system of light source or the distribution of light fixture spatial light intensity, and this system can be used in the luminosity measurement of LED light source or light fixture.Measure under C-planar system and describe LED light source or light fixture spatial light intensity distribution, light distribution is generally described by distribution curve flux.This distribution curve flux is under polar coordinate system or rectangular coordinate system, the light intensity value corresponding to all angles in certain the luminous intensity distribution plane marked, and depicts the curve that light intensity value changes with angle.The distribution curve flux that what people generally paid close attention to and analyzed is in these two luminous intensity distribution planes of C0-C180 and C90-C270.From distribution curve flux figure, the distribution curve flux in these two planes can be overlap, and also can be diverse.The angle that we define the left side of distribution curve flux figure 0 degree of angle line is positive-angle (representing with "+"), the angle on the right side of 0 degree of angle line is negative angle (representing with "-"), distribution curve flux in so each plane can be symmetrical expression (symmetrical relative to 0 degree of angle line), also can be asymmetric (asymmetric relative to 0 degree of angle line left and right).Can the value at reading optical beam angle from distribution curve flux, the beam angle that we define distribution curve flux in certain luminous intensity distribution plane is angle value that the angle value+largest light intensity angle line dextrorotation turned over when largest light intensity angle line is rotated counterclockwise to 50% largest light intensity angle line on beam angle=distribution curve flux turns over when going to the angle line of 50% largest light intensity.In addition, in order to express easily, we are called C0-C180 cross section by LED lens arrangement with the face of C0-C180 luminous intensity distribution planes overlapping, are called C90-C270 cross section with the face of C90-C270 luminous intensity distribution planes overlapping, and C0-C180 cross section and C90-270 cross section are as the sectional view plane of LED lens arrangement.Being that the lens of rectangular light spot are generally designed to peanut-shaped to realize irradiated area in the prior art, being shelled peanut lens.The surface of these shelled peanut lens all needs to make protruding form, but, glass transparency light fixture designs, needs the planar transparent cover increasing one deck lens at lens surface again.Because shelled peanut lens surface is protruding, planar lens cover needs, from the distant distance of lens, to make described shelled peanut lens light loss become serious, cause the loss of total reflection and refraction, a lot of light can not be distributed out between lens and flat cover, reduces light utilization.Again due to after the lens surface of shelled peanut form adds planar transparent cover, easily original lens light curve is had an impact, the illuminating effect of the shelled peanut lens described in reduction.
[novel content]
This novel technical purpose provides a kind of raising light utilization to solve above-mentioned prior art Problems existing, improves the LED lamp cup lens of illumination effect.
In order to realize above-mentioned technical problem, these novel provided a kind of LED lamp cup lens, it comprises the Lamp cup lens body for LED light emitting source luminous intensity distribution, this Lamp cup lens body comprises susceptor surface, from susceptor surface edges at two ends be inclined upwardly extend and form reflecting surface, inner formation lens light output surface between these two reflecting surface ends, the upper surface of this lens light output surface forms refractive surface; Described susceptor surface top is formed with the lens inner chamber for accommodating LED light emitting source, this lens inner chamber comprise vertical lens surface and be arranged at vertical lens surface and vertical lens surperficial between arc shape lens ball surface; The reflection kernel point of described reflecting surface, the refractive central point of refractive surface, the bright dipping central point of inner concave on lens light output surface, the lumen centers point of lens inner chamber is co-located on same axial line, this axial line and C0-180 and C90-270 cross-section parallel; Described reflecting surface, lens light output surface, vertical lens surface and lens ball surface form host cavity, are formed with the light transmissive material that can penetrate for optics in this host cavity.
According to described technical characteristics, described reflecting surface is the striped of bar shaped column, this stripe direction and C0-180 cross section orthogonal.
According to described technical characteristics, described refractive surface is the striped of slice shape column, in wavy, and the direction of this striped and C90-270 cross-section parallel, the direction of this bar shaped and C0-180 cross section orthogonal.
According to described technical characteristics, described lens light output surface is concave surface, is inner concave arc surface at the exiting surface at C0-180 place, cross section.
According to described technical characteristics, be provided with LED light emitting source in described lens inner chamber, this LED light emitting source is positioned at the center of lens inner chamber.
According to described technical characteristics, described LED light emitting source is formed by a LED lamp bead or multiple LED lamp bead serial or parallel connection.
According to described technical characteristics, the bright dipping center line of the lumen centers line of described lens inner chamber and the inner concave of lens exiting surface at grade.
According to described technical characteristics, described C0-180 cross section is mutually vertical with C90-270 cross section by LED light emitting source summit.
According to described technical characteristics, described reflecting surface, refractive surface, the center of lens light output surface, the center of lens inner chamber on the same line, with C0-180 and C90-270 cross-section parallel.
According to described technical characteristics, be provided with LED light emitting source in described lens inner chamber, this LED light emitting source can be LED lens module, and this LED lens module is in parallel by multiple LED lens or assembled in series forms integral structure together.
This novel beneficial effect: form cup lens body because described Lamp cup lens body comprises susceptor surface, reflecting surface, lens light output surface, refractive surface and lens inner chamber outer surface.The reflection kernel point of described reflecting surface, the refractive central point of refractive surface, the bright dipping central point of inner concave on lens light output surface, the lumen centers point of lens inner chamber is co-located on same axial line, this axial line and C0-180 and C90-270 cross-section parallel.During use, light discharges from described LED light emitting source, and a part of light through after cup lens body interior media, then is discharged into the external world by lens light output surface and refractive surface; Another part light scattering is to reflecting surface, the external world is discharged into lens light output surface and refractive surface again by reflective surface reflects, the light that described LED light emitting source distributes fully can be discharged into the external world by this kind of mode, avoid the loss causing light in prior art because of distant between shelled peanut lens surface projection and planar lens, thus reach the effect improving light utilization and light illumination.
Below in conjunction with drawings and Examples, this novel technical scheme is described in further detail.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of these novel middle LED lamp cup lens;
Fig. 2 is the C0-180 directional profile schematic diagram of this novel middle Lamp cup lens body;
Fig. 3 is the C0-270 directional profile schematic diagram of this novel middle Lamp cup lens body;
Fig. 4 is that this Novel lamp cup lens body and LED light emitting source combine C0-270 directional profile schematic diagram;
Fig. 5 is that this Novel lamp cup lens body and LED light emitting source combine C0-180 directional profile schematic diagram;
Fig. 6 is the top view of this novel middle LED light emitting source;
Fig. 7 is that this Novel lamp cup lens body is in C0-270 directional profile schematic diagram;
Fig. 8 is that this Novel lamp cup lens body is in C0-180 directional profile schematic diagram.
[specific embodiment]
Please refer to shown in Fig. 1 to Fig. 8, below in conjunction with the first embodiment, a kind of LED lamp cup lens are described, it comprises LED light emitting source 1 and the Lamp cup lens body 2 for LED light emitting source 1 luminous intensity distribution.
Described Lamp cup lens body 2 comprises susceptor surface 21, from susceptor surface 21 edges at two ends be inclined upwardly extend and form reflecting surface 22, inner formation lens light output surface 23 between these two reflecting surface 22 ends, the upper surface of this lens light output surface 23 forms refractive surface 24.
Described susceptor surface 21 top is formed with the lens inner chamber 3 for accommodating LED light emitting source 1, and this lens inner chamber 3 comprises vertical lens surface 31 and is arranged at the lens ball surface 32 of arc shape between vertical lens surface 31 and vertical lens surface 31.The reflection kernel point A of described reflecting surface 22, the refractive central point B of refractive surface 24, the bright dipping central point C of inner concave on lens light output surface 23, the lumen centers point D of lens inner chamber 3 is co-located on same axial line, this axial line and C0-180 and C90-270 cross-section parallel.Described reflecting surface 22, lens light output surface 23, vertical lens surface 31 and lens ball surface 31 form host cavity 4, are formed with the light transmissive material that can penetrate for optics in this host cavity 4.
Described reflecting surface 22 is the striped of bar shaped column, this stripe direction and C0-180 cross section orthogonal.Described refractive surface 24 is the striped of slice shape column, in wavy, and the direction of this striped and C90-270 cross-section parallel, the direction of this bar shaped and C0-180 cross section orthogonal.Described lens light output surface 23 is concave surface, is inner concave arc surface at the exiting surface at C0-180 place, cross section.
Be provided with LED light emitting source 2 in described lens inner chamber 3, this LED light emitting source 2 is positioned at the center of lens inner chamber 3.Described LED light emitting source 2 is formed by a LED lamp bead or multiple LED lamp bead serial or parallel connection.The bright dipping center line of the lumen centers line of described lens inner chamber 3 and the inner concave of lens exiting surface 23 at grade.Described C0-180 cross section is mutually vertical with C90-270 cross section by LED light emitting source 2 summit.Described reflecting surface 22, refractive surface 24, the center of lens light output surface 23, the center of lens inner chamber 3 on the same line, with C0-180 and C90-270 cross-section parallel.Be provided with LED light emitting source 2 in described lens inner chamber 3, this LED light emitting source 2 can be LED lens module, and this LED lens module is in parallel by multiple LED lens or assembled in series forms integral structure together.
The two ends of described susceptor surface 21 are connected with reflecting surface 22 respectively, and described lens light output surface 23 two ends are connected with the end face of the reflecting surface 22 described in difference.Namely susceptor surface 21, reflecting surface 22, lens light output surface 23 or refractive surface 24 form a transparent goblet.Be formed with lens cavity volume 3 in the inside of this transparent goblet bottom, it is inner that described lens cavity volume 3 is arranged at transparent goblet.The outer surface of described lens cavity volume 3 and susceptor surface 21, reflecting surface 22, forms cavity volume between lens light output surface 23 or refractive surface 24 three, and luminescent material transparent in this cavity volume is formed.
When LED light emitting source 2 is placed in lens cavity volume inside, the light that this LED light emitting source 2 distributes, a light, after the luminescent material of described lens cavity volume 3 inside, is directly discharged into the external world to lens light-emitting area 23 or refractive surface 24.Another part light is dispersed into reflecting surface 22, by reflecting surface 22, described light emission is discharged into the external world to lens light-emitting area 23 or refractive surface 24 again, this kind of mode, described light is irradiated to lens front through various ways by the light that described LED light emitting source 2 discharges, the light major part that LED light emitting source 2 is distributed all focuses on the front of lens light output surface 23, decrease the fiber-loss between LED light emitting source 2 to lens light output surface 23, avoid the loss that with the spacing of planar lens reduce light protruding because of shelled peanut lens surface in prior art, thus reach raising light utilization and illumination effect.
In appearance, described Lamp cup lens body 1 is combined by careful design and light sunykatuib analysis, achieve the rectangular light spot design of Lamp cup shape LED lens, simultaneously in order to improve the uniformity, do greatly with the angle in the wide-angle direction by rectangular light spot as far as possible, do striped process at the exiting surface of Lamp cup lens body 1, make the wide-angle direction of lens can accomplish maximum 85 degree, and low-angle can feel free to do little.Meanwhile, the exiting surface design of the past indent used that takes the lead in, makes the light of lens light output surface 23 more even, the spot area brightness uniformity namely irradiated.The form of Lamp cup lens body 1 makes ellipticarch cone simultaneously, makes the hot spot irradiated in closely rectangular-shaped.Meanwhile, in the design increasing transparent face mask, adopt the Lens Design of Lamp cup shape that loss can be made to drop to almost nil as far as possible.This raising head for LED lamp light efficiency helps significantly.
In the present embodiment, the form of lens that described Lamp cup lens body 1 designs is different with traditional shelled peanut form on the market, and when using the lens of Lamp cup shape in the LED lamp needing increase transparent face mask, not only ensure that the degree of losing of light efficiency drops to minimum, does not also affect the light distribution angle of original rectangular light spot.Use the Lamp cup shape Lens Design of rectangular light spot, the overall uniformity of illuminance of irradiation area can reach more than 0.8, after adding transparent face mask, the uniformity has almost no change, and the overall uniformity of the lens of shelled peanut form irradiation area after adding transparent face mask has substantially all dropped to about 0.5 by 0.8, comparatively serious on the impact of luminous intensity distribution shape.
In sum, cup lens body is formed because described Lamp cup lens body 1 comprises susceptor surface 21, reflecting surface 22, lens light output surface 23, refractive surface 24 and lens inner chamber 3 outer surface.The reflection kernel point A of described reflecting surface 22, the refractive central point B of refractive surface 24, the bright dipping central point C of inner concave on lens light output surface 23, the lumen centers point D of lens inner chamber 3 is co-located on same axial line, this axial line and C0-180 and C90-270 cross-section parallel.During use, light discharges from described LED light emitting source 2, and a part of light through after cup lens body 1 interior media, then is discharged into the external world by lens light output surface 23 and refractive surface 24; Another part light scattering is to reflecting surface 22, lens light output surface 23 is reflexed to again and refractive surface 24 is discharged into the external world by reflecting surface 22, the light that described LED light emitting source 2 distributes fully can be discharged into the external world by this kind of mode, avoid the loss causing light in prior art because of distant between shelled peanut lens surface projection and planar lens, thus reach the effect improving light utilization and light illumination.
Claims (10)
1. LED lamp cup lens, it comprises the Lamp cup lens body for LED light emitting source luminous intensity distribution, it is characterized in that: this Lamp cup lens body comprises susceptor surface, from susceptor surface edges at two ends be inclined upwardly extend and form reflecting surface, inner formation lens light output surface between these two reflecting surface ends, the upper surface of this lens light output surface forms refractive surface; Described susceptor surface top is formed with the lens inner chamber for accommodating LED light emitting source, this lens inner chamber comprise vertical lens surface and be arranged at vertical lens surface and vertical lens surperficial between arc shape lens ball surface; The reflection kernel point of described reflecting surface, the refractive central point of refractive surface, the bright dipping central point of inner concave on lens light output surface, the lumen centers point of lens inner chamber is co-located on same axial line, this axial line and C0-180 and C90-270 cross-section parallel; Described reflecting surface, lens light output surface, vertical lens surface and lens ball surface form host cavity, are formed with the light transmissive material that can penetrate for optics in this host cavity.
2. LED lamp cup lens according to claim 1, is characterized in that: described reflecting surface is the striped of bar shaped column, this stripe direction and CO-180 cross section orthogonal.
3. LED lamp cup lens according to claim 1, is characterized in that: described refractive surface is the striped of slice shape column, in wavy, and the direction of this striped and C90-270 cross-section parallel, the direction of this bar shaped and C0-180 cross section orthogonal.
4. LED lamp cup lens according to claim 1, is characterized in that: described lens light output surface is concave surface, are inner concave arc surface at the exiting surface at C0-180 place, cross section.
5. LED lamp cup lens according to claim 1, is characterized in that: be provided with LED light emitting source in described lens inner chamber, this LED light emitting source is positioned at the center of lens inner chamber.
6. LED lamp cup lens according to claim 1 or 5, is characterized in that: described LED light emitting source is formed by a LED lamp bead or multiple LED lamp bead serial or parallel connection.
7. LED lamp cup lens according to claim 1, is characterized in that: the bright dipping center line of the lumen centers line of described lens inner chamber and the inner concave of lens exiting surface at grade.
8. LED lamp cup lens according to claim 1, is characterized in that: described CO-180 cross section is mutually vertical with C90-270 cross section by LED light emitting source summit.
9. LED lamp cup lens according to claim 1, is characterized in that: described reflecting surface, refractive surface, the center of lens light output surface, the center of lens inner chamber on the same line, with C0-180 and C90-270 cross-section parallel.
10. LED lamp cup lens according to claim 1, it is characterized in that: in described lens inner chamber, be provided with LED light emitting source, this LED light emitting source can be LED lens module, and this LED lens module is in parallel by multiple LED lens or assembled in series forms integral structure together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520194642.XU CN204648114U (en) | 2015-04-01 | 2015-04-01 | Led lamp cup lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520194642.XU CN204648114U (en) | 2015-04-01 | 2015-04-01 | Led lamp cup lens |
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| Publication Number | Publication Date |
|---|---|
| CN204648114U true CN204648114U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520194642.XU Expired - Fee Related CN204648114U (en) | 2015-04-01 | 2015-04-01 | Led lamp cup lens |
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| CN (1) | CN204648114U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791711A (en) * | 2015-04-01 | 2015-07-22 | 深圳市大族元亨光电股份有限公司 | Led lamp cup lens |
| CN112178527A (en) * | 2020-11-13 | 2021-01-05 | 江苏新广联光电股份有限公司 | Writing board lamp with single lamp strip structure |
-
2015
- 2015-04-01 CN CN201520194642.XU patent/CN204648114U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791711A (en) * | 2015-04-01 | 2015-07-22 | 深圳市大族元亨光电股份有限公司 | Led lamp cup lens |
| CN112178527A (en) * | 2020-11-13 | 2021-01-05 | 江苏新广联光电股份有限公司 | Writing board lamp with single lamp strip structure |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20190401 |