CN202432431U - Light merging imaging system with plurality of light emitting diode (LED) lamp beads - Google Patents
Light merging imaging system with plurality of light emitting diode (LED) lamp beads Download PDFInfo
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- CN202432431U CN202432431U CN201220016598XU CN201220016598U CN202432431U CN 202432431 U CN202432431 U CN 202432431U CN 201220016598X U CN201220016598X U CN 201220016598XU CN 201220016598 U CN201220016598 U CN 201220016598U CN 202432431 U CN202432431 U CN 202432431U
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- light
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- lamp pearl
- merging
- imaging
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Abstract
The utility model relates to a light merging imaging system with a plurality of light emitting diode (LED) lamp beads. The light merging imaging system comprises a light merging part and an imaging part, wherein the light merging part comprises more than two LED lamp beads, a light gathering device used for gathering luminous flux of the LED lamp beads into a range being 5 to 15 degrees is correspondingly arranged in front of each LED lamp bead, the light gathering devices form a light gathering device group, a light merging lens is arranged in front of the light gathering device group, and the imaging part is an imaging lens group arranged in front of the light merging part. The light gathering devices of the light merging part can gather the 80-percent luminous flux of scattered light rays of the single lamp beam into approximate parallel light rays with a small scattering degree, then, several approximate parallel light beams are gathered to a position near a focus point of the light gathering lens by the light merging lens, and further, the light beam merging of several lamp beams can be realized. The structure of the light merging part is simple, the installation and the maintenance are convenient, the cost price is low, the optical efficiency is improved by 80 percent, the short-distance light merging is realized, in addition, the light merging is uniform, the imaging part and the light merging part are matched, the focusing is simpler, the focusing range is wide, and the image imaging is clear.
Description
Technical field
The utility model relates to the LED lighting field, and especially plurality of LEDs lamp pearl combines light into the picture system.
Background technology
The focusing of light mainly needs two parts, the firstth, light source, the secondth, focusing arrangement.The light concentrating method that closes of existing plurality of LEDs generally is that the lighting angle of each the LED lamp pearl through changing led light source achieves the goal, and is a kind of LED focusing arrangement of 201575340U like the Chinese patent publication number, comprises base, plural LED lamp; The LED lamp comprises led light source, equipped lens, lens mount and thermal column, and led light source is installed in an end of thermal column, and equipped lens are installed in the place ahead of led light source and wrap up led light source, and equipped lens scioptics frame is installed on the thermal column; The LED lamp is installed on the base through thermal column, and base is the arc knee-piece, and the LED lamp is installed on the arc knee-piece.In the above-mentioned imaging device, led light source is mounted on the arc knee-piece, relies on the angle of arc knee-piece that the light that the LED lamp sends is carried out polymerization, thereby reaches the effect of optically focused.There is following shortcoming in this kind imaging device: the arc knee-piece difficulty of processing as a light source part is big, and schedule requirement is high; Installation accuracy requires high; In case the machine-shaping of knee-piece cambered surface, the led light source position can't change, and can't focus through light source, can only be through focusing as the mirror group, and a plurality of lens workloads in the check and correction imaging mirror group are big, length consuming time; And the used lens group of this concentrating method is bigger, and it is long to close electrical distance, and it is inhomogeneous to close light, causes cost too high.
Summary of the invention
The utility model technical problem to be solved provides a kind of plurality of LEDs lamp pearl and combines light into the picture system, and the light source that closes the light part is a planar light source, its processing and easy for installation, and cost is low, can realize short distance clutch light, and it is even to close light, is fit to imaging.
For solving the problems of the technologies described above; The technical scheme of the utility model is: a kind of plurality of LEDs lamp pearl combines light into the picture system; Comprise and close light part and imaging moiety, the said light that closes partly comprises the LED lamp pearl more than two, and every LED lamp pearl the place ahead correspondence is provided with one and accumulates in the beam condensing unit in 5 ~ 15 degree to LED lamp pearly-lustre flux; All said beam condensing units are formed beam condensing unit group, and said beam condensing unit group the place ahead is provided with one and closes optical lens; Said imaging moiety is to be located at said imaging mirror group of closing light part the place ahead.The luminous flux gathering of closing the divergent rays 80% that the beam condensing unit of light part can single lamp pearl is the less nearly parallel rays of divergence; And then the nearly directional light of multi beam is focused near the focus of closing optical lens, and then realize that the light beam of many lamp pearls is synthetic by closing optical lens.It is simple that the utility model closes the light part-structure, and installation and maintenance are convenient, and cost price is low; Optical efficiency improves 80%; Realize short distance clutch light, and it is even to close light; Imaging moiety with close light and partly cooperate, it is simpler to focus, focusing range is big, image imaging is clear.
As improvement, the light-emitting area of said LED lamp pearl is in 102mm.
As improvement, said LED lamp pearl is installed on the planar substrates, the planar substrates handling ease, and required precision is low.
As improvement, said beam condensing unit can be 5 degree collector lenses, 10 degree collector lenses, 15 degree collector lenses.
As improvement, said imaging mirror group is by setting gradually by optical path direction and being first lens of positive lens, second lens, the 3rd lens and the 4th lens.
As improvement, said first lens left side radius of curvature is 200 ~ 280mm, and the right side radius of curvature is 60 ~ 80mm; Said second lens left side is the plane, and the right side radius of curvature is 100 ~ 140mm; Said the 3rd lens left side radius of curvature is 200 ~ 280mm, and the right side radius of curvature is 100 ~ 140mm; Said the 4th lens left side is the plane, and the right side radius of curvature is 200 ~ 280mm.
As improvement, the distance between said first lens and said second lens is 0 ~ 5mm; Distance between said the 3rd lens and said the 4th lens is 0 ~ 5mm.
As improvement, said first lens and second lens are formed the focusing lens group, and said focusing lens group and said closing are provided with screen board between the optical lens, and said screen board is provided with light hole, and the said focal length that closes optical lens is 10 ~ 20mm, and its focal length is at said light hole place.
The beneficial effect that the utility model is compared with prior art brought is:
The luminous flux gathering of closing the divergent rays 80% that the beam condensing unit of light part can single lamp pearl is the less nearly parallel rays of divergence; And then the nearly directional light of multi beam is focused near the focus of closing optical lens, and then realize that the light beam of many lamp pearls is synthetic by closing optical lens.It is simple that the utility model closes the light part-structure, and installation and maintenance are convenient, and cost price is low; Optical efficiency improves 80%; Realize short distance clutch light, and it is even to close light; Imaging moiety with close light and partly cooperate, it is simpler to focus, focusing range is big, image imaging is clear.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Below in conjunction with Figure of description the utility model is described further.
Embodiment 1
As shown in Figure 1, a kind of plurality of LEDs lamp pearl combines light into the picture system, and comprise and close light part 1 and imaging moiety 2,
Close light part 1, comprise the LED lamp pearl 12 more than two, present embodiment is provided with three LED lamp pearls 12 on planar substrates 11, and said LED lamp pearl 12 light-emitting areas are in 102mm.Every LED lamp pearl 12 the place ahead correspondences be provided with one LED lamp pearl 12 luminous fluxes accumulate in 5 ~ 15 the degree in beam condensing unit 13, in the present embodiment, said beam condensing unit 13 be 5 the degree collector lenses, the diameter of collector lens is 20mm; When single LED lamp pearl 12 added 5 degree collector lenses, the highest illumination can reach 3000Lx1 rice distance, and 50% beam angle is 5 degree; The average illumination of adding the subsequent optical system imaging and be 1 meter hot spot is 2570Lx.All said beam condensing units 13 are formed beam condensing unit groups, and said beam condensing unit group the place ahead is provided with one and closes optical lens 14, and the said focal length that closes optical lens 14 is 10 ~ 20mm.
Imaging moiety 2 is imaging mirror group, and it is by setting gradually by optical path direction and being first lens 22 of positive lens, second lens 23, the 3rd lens 24 and the 4th lens 25.Said first lens, 22 left side radius of curvature are 200mm, and the right side radius of curvature is 60mm; Said second lens 23 left sides are the plane, and the right side radius of curvature is 100mm; Said the 3rd lens 24 left side radius of curvature are 200mm, and the right side radius of curvature is 100mm; Said the 4th lens 25 left sides are the plane, and the right side radius of curvature is 200mm.Distance between said first lens 22 and said second lens 23 is 0mm; Distance between said the 3rd lens 24 and said the 4th lens 25 is 0mm.First lens 22 and second lens 23 are formed focusing lens group 21; Focusing lens group 21 and said closing are provided with screen board 3 between the optical lens 14; Said screen board 3 is provided with the light hole 31 of 30mm; The focus of closing optical lens 14 is closed light focusing that optical lens 14 collects beam condensing unit group near its focus near light hole 31, the luminous flux on screen board 3 planes concentrates on more than 60% within light hole 31 apertures.The focusing range of focusing lens group 21 is in light hole 31 back 15-100mm.The object at adjustment light hole 31 places is in the definition at 1-20 rice behind camera lens.
The beam condensing unit 13 that closes light part 1 can be assembled the luminous flux of the divergent rays 80% of single lamp pearl and is the less nearly parallel rays of divergence; And then the nearly directional light of multi beam is focused near the focus of closing optical lens 14, and then realize that the light beam of many lamp pearls is synthetic by closing optical lens 14.It is simple in structure that the utility model closes light part 1, and installation and maintenance are convenient, and cost price is low; Optical efficiency improves 80%; Realize short distance clutch light, and it is even to close light; Imaging moiety 2 with close light part 1 and cooperate, it is simpler to focus, focusing range is big, image imaging is clear.
Embodiment 2
As shown in Figure 1, a kind of plurality of LEDs lamp pearl combines light into the picture system, and comprise and close light part 1 and imaging moiety 2,
Close light part 1, comprise the LED lamp pearl 12 more than two, present embodiment is provided with three LED lamp pearls 12 on planar substrates 11, and said LED lamp pearl 12 light-emitting areas are in 102mm.Every LED lamp pearl 12 the place ahead correspondences be provided with one LED lamp pearl 12 luminous fluxes accumulate in 5 ~ 15 the degree in beam condensing unit 13, in the present embodiment, said beam condensing unit 13 be 5 the degree collector lenses, the diameter of collector lens is 30mm; When single LED lamp pearl 12 added 5 degree collector lenses, the highest illumination can reach 5500Lx1 rice distance, and 50% beam angle is 5 degree; The average illumination of adding the subsequent optical system imaging and be 1 meter hot spot is 2300Lx.All said beam condensing units 13 are formed beam condensing unit groups, and said beam condensing unit group the place ahead is provided with one and closes optical lens 14, and the said focal length that closes optical lens 14 is 10 ~ 20mm.
Imaging moiety 2 is imaging mirror group, and it is by setting gradually by optical path direction and being first lens 22 of positive lens, second lens 23, the 3rd lens 24 and the 4th lens 25.Said first lens, 22 left side radius of curvature are 220mm, and the right side radius of curvature is 65mm; Said second lens 23 left sides are the plane, and the right side radius of curvature is 120mm; Said the 3rd lens 24 left side radius of curvature are 220mm, and the right side radius of curvature is 120mm; Said the 4th lens 25 left sides are the plane, and the right side radius of curvature is 220mm.Distance between said first lens 22 and said second lens 23 is 2mm; Distance between said the 3rd lens 24 and said the 4th lens 25 is 2mm.First lens 22 and second lens 23 are formed focusing lens group 21; Focusing lens group 21 and said closing are provided with screen board 3 between the optical lens 14; Said screen board 3 is provided with the light hole 31 of 30mm; The focus of closing optical lens 14 is closed light focusing that optical lens 14 collects beam condensing unit group near its focus near light hole 31, the luminous flux on screen board 3 planes concentrates on more than 60% within light hole 31 apertures.The focusing range of focusing lens group 21 is in light hole 31 back 15-100mm.The object at adjustment light hole 31 places is in the definition at 1-20 rice behind camera lens.
The beam condensing unit 13 that closes light part 1 can be assembled the luminous flux of the divergent rays 80% of single lamp pearl and is the less nearly parallel rays of divergence; And then the nearly directional light of multi beam is focused near the focus of closing optical lens 14, and then realize that the light beam of many lamp pearls is synthetic by closing optical lens 14.It is simple in structure that the utility model closes light part 1, and installation and maintenance are convenient, and cost price is low; Optical efficiency improves 80%; Realize short distance clutch light, and it is even to close light; Imaging moiety 2 with close light part 1 and cooperate, it is simpler to focus, focusing range is big, image imaging is clear.
Embodiment 3
A kind of plurality of LEDs lamp pearl combines light into the picture system, comprises closing light part 1 and imaging moiety 2,
Close light part 1, comprise the LED lamp pearl 12 more than two, present embodiment is provided with three LED lamp pearls 12 on planar substrates 11, and said LED lamp pearl 12 light-emitting areas are in 102mm.Every LED lamp pearl 12 the place ahead correspondences be provided with one LED lamp pearl 12 luminous fluxes accumulate in 5 ~ 15 the degree in beam condensing unit 13, in the present embodiment, said beam condensing unit 13 be 10 the degree collector lenses, the diameter of collector lens is 20mm; When single LED lamp pearl 12 added 10 degree collector lenses, the highest illumination can reach 1800Lx1 rice distance, and 50% beam angle is 10 degree; The average illumination of adding the subsequent optical system imaging and be 1 meter hot spot is 3000Lx.All said beam condensing units 13 are formed beam condensing unit groups, and said beam condensing unit group the place ahead is provided with one and closes optical lens 14, and the said focal length that closes optical lens 14 is 10 ~ 20mm.
Imaging moiety 2 is imaging mirror group, and it is by setting gradually by optical path direction and being first lens 22 of positive lens, second lens 23, the 3rd lens 24 and the 4th lens 25.Said first lens, 22 left side radius of curvature are 250mm, and the right side radius of curvature is 70mm; Said second lens 23 left sides are the plane, and the right side radius of curvature is 130mm; Said the 3rd lens 24 left side radius of curvature are 250mm, and the right side radius of curvature is 130mm; Said the 4th lens 25 left sides are the plane, and the right side radius of curvature is 250mm.Distance between said first lens 22 and said second lens 23 is 4mm; Distance between said the 3rd lens 24 and said the 4th lens 25 is 4mm.First lens 22 and second lens 23 are formed focusing lens group 21; Focusing lens group 21 and said closing are provided with screen board 3 between the optical lens 14; Said screen board 3 is provided with the light hole 31 of 30mm; The focus of closing optical lens 14 is closed light focusing that optical lens 14 collects beam condensing unit group near its focus near light hole 31, the luminous flux on screen board 3 planes concentrates on more than 60% within light hole 31 apertures.The focusing range of focusing lens group 21 is in light hole 31 back 15-100mm.The object at adjustment light hole 31 places is in the definition at 1-20 rice behind camera lens.
The beam condensing unit 13 that closes light part 1 can be assembled the luminous flux of the divergent rays 80% of single lamp pearl and is the less nearly parallel rays of divergence; And then the nearly directional light of multi beam is focused near the focus of closing optical lens 14, and then realize that the light beam of many lamp pearls is synthetic by closing optical lens 14.It is simple in structure that the utility model closes light part 1, and installation and maintenance are convenient, and cost price is low; Optical efficiency improves 80%; Realize short distance clutch light, and it is even to close light; Imaging moiety 2 with close light part 1 and cooperate, it is simpler to focus, focusing range is big, image imaging is clear.
Embodiment 4
A kind of plurality of LEDs lamp pearl combines light into the picture system, comprises closing light part 1 and imaging moiety 2,
Close light part 1, comprise the LED lamp pearl 12 more than two, present embodiment is provided with three LED lamp pearls 12 on planar substrates 11, and said LED lamp pearl 12 light-emitting areas are in 102mm.Every LED lamp pearl 12 the place ahead correspondences be provided with one LED lamp pearl 12 luminous fluxes accumulate in 5 ~ 15 the degree in beam condensing unit 13, in the present embodiment, said beam condensing unit 13 be 15 the degree collector lenses, the diameter of collector lens is 20mm; When single LED lamp pearl 12 added 15 degree collector lenses, the highest illumination can reach 1300Lx1 rice distance, and 50% beam angle is 15 degree; The average illumination of adding the subsequent optical system imaging and be 1 meter hot spot is 2600Lx.All said beam condensing units 13 are formed beam condensing unit groups, and said beam condensing unit group the place ahead is provided with one and closes optical lens 14, and the said focal length that closes optical lens 14 is 10 ~ 20mm.
Imaging moiety 2 is imaging mirror group, and it is by setting gradually by optical path direction and being first lens 22 of positive lens, second lens 23, the 3rd lens 24 and the 4th lens 25.Said first lens, 22 left side radius of curvature are 280mm, and the right side radius of curvature is 80mm; Said second lens 23 left sides are the plane, and the right side radius of curvature is 140mm; Said the 3rd lens 24 left side radius of curvature are 280mm, and the right side radius of curvature is 140mm; Said the 4th lens 25 left sides are the plane, and the right side radius of curvature is 280mm.Distance between said first lens 22 and said second lens 23 is 5mm; Distance between said the 3rd lens 24 and said the 4th lens 25 is 5mm.First lens 22 and second lens 23 are formed focusing lens group 21; Focusing lens group 21 and said closing are provided with screen board 3 between the optical lens 14; Said screen board 3 is provided with the light hole 31 of 30mm; The focus of closing optical lens 14 is closed light focusing that optical lens 14 collects beam condensing unit group near its focus near light hole 31, the luminous flux on screen board 3 planes concentrates on more than 60% within light hole 31 apertures.The focusing range of focusing lens group 21 is in light hole 31 back 15-100mm.The object at adjustment light hole 31 places is in the definition at 1-20 rice behind camera lens.
The beam condensing unit 13 that closes light part 1 can be assembled the luminous flux of the divergent rays 80% of single lamp pearl and is the less nearly parallel rays of divergence; And then the nearly directional light of multi beam is focused near the focus of closing optical lens 14, and then realize that the light beam of many lamp pearls is synthetic by closing optical lens 14.It is simple in structure that the utility model closes light part 1, and installation and maintenance are convenient, and cost price is low; Optical efficiency improves 80%; Realize short distance clutch light, and it is even to close light; Imaging moiety 2 with close light part 1 and cooperate, it is simpler to focus, focusing range is big, image imaging is clear.
Comprehensive the foregoing description 1 ~ 4; It is to be noted; Those skilled in the art utilize conventional means can produce 5 ~ 15 degree beam condensing units 13, and except the above-mentioned collector lens of pointing out, beam condensing unit 13 can also be the combination, reflector of spherical mirror and aspherical mirror etc.; 5 ~ 15 degree beam condensing units 13 that relate in the specification are prior art, no longer specify.
Comprehensive the foregoing description 1 ~ 4, the light efficiency of system and the efficient of collector lens have substantial connection, and the light efficiency of system and the diameter of collector lens have substantial connection, and the light efficiency of system and the beam angle of collector lens have substantial connection.
Claims (10)
1. a plurality of LEDs lamp pearl combines light into the picture system; It is characterized in that: comprise and close light part and imaging moiety; The said light that closes partly comprises the LED lamp pearl more than two; Every LED lamp pearl the place ahead correspondence is provided with one and accumulates in the beam condensing unit in 5 ~ 15 degree to LED lamp pearly-lustre flux, and all said beam condensing units are formed beam condensing unit group, and said beam condensing unit group the place ahead is provided with one and closes optical lens; Said imaging moiety is to be located at said imaging mirror group of closing light part the place ahead.
2. a kind of plurality of LEDs lamp pearl according to claim 1 combines light into the picture system, and it is characterized in that: the light-emitting area of said LED lamp pearl is in 102mm.
3. a kind of plurality of LEDs lamp pearl according to claim 1 combines light into the picture system, and it is characterized in that: said LED lamp pearl is installed on the planar substrates.
4. a kind of plurality of LEDs lamp pearl according to claim 1 combines light into the picture system, it is characterized in that: said beam condensing unit is 5 degree collector lenses.
5. a kind of plurality of LEDs lamp pearl according to claim 1 combines light into the picture system, it is characterized in that: said beam condensing unit is 10 degree collector lenses.
6. a kind of plurality of LEDs lamp pearl according to claim 1 combines light into the picture system, it is characterized in that: said beam condensing unit is 15 degree collector lenses.
7. a kind of plurality of LEDs lamp pearl according to claim 1 combines light into the picture system, it is characterized in that: said imaging mirror group is by setting gradually by optical path direction and being first lens of positive lens, second lens, the 3rd lens and the 4th lens.
8. a kind of plurality of LEDs lamp pearl according to claim 7 combines light into the picture system, it is characterized in that: said first lens left side radius of curvature is 200 ~ 280mm, and the right side radius of curvature is 60 ~ 80mm; Said second lens left side is the plane, and the right side radius of curvature is 100 ~ 140mm; Said the 3rd lens left side radius of curvature is 200 ~ 280mm, and the right side radius of curvature is 100 ~ 140mm; Said the 4th lens left side is the plane, and the right side radius of curvature is 200 ~ 280mm.
9. a kind of plurality of LEDs lamp pearl according to claim 7 combines light into the picture system, and it is characterized in that: the distance between said first lens and said second lens is 0 ~ 5mm; Distance between said the 3rd lens and said the 4th lens is 0 ~ 5mm.
10. a kind of plurality of LEDs lamp pearl according to claim 7 combines light into the picture system; It is characterized in that: said first lens and second lens are formed the focusing lens group; Said focusing lens group and said closing are provided with screen board between the optical lens; Said screen board is provided with light hole, and the said focal length that closes optical lens is 10 ~ 20mm, and its focal length is at said light hole place.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220016598XU CN202432431U (en) | 2012-01-16 | 2012-01-16 | Light merging imaging system with plurality of light emitting diode (LED) lamp beads |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220016598XU CN202432431U (en) | 2012-01-16 | 2012-01-16 | Light merging imaging system with plurality of light emitting diode (LED) lamp beads |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013097726A1 (en) * | 2011-12-28 | 2013-07-04 | 广州市雅江光电设备有限公司 | Multi-led light combining and imaging optical system |
| CN107763450A (en) * | 2017-11-21 | 2018-03-06 | 广州达森灯光股份有限公司 | A kind of optical system for LED stage lamps |
| CN107990215A (en) * | 2017-12-11 | 2018-05-04 | 苏州大学 | Concentration structure, light-source system and the application of line source |
| CN112594653A (en) * | 2020-12-09 | 2021-04-02 | 广州市雅江光电设备有限公司 | Color temperature adjustable high color rendering white light system and imaging device |
-
2012
- 2012-01-16 CN CN201220016598XU patent/CN202432431U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013097726A1 (en) * | 2011-12-28 | 2013-07-04 | 广州市雅江光电设备有限公司 | Multi-led light combining and imaging optical system |
| CN107763450A (en) * | 2017-11-21 | 2018-03-06 | 广州达森灯光股份有限公司 | A kind of optical system for LED stage lamps |
| CN107763450B (en) * | 2017-11-21 | 2024-01-16 | 广州达森灯光股份有限公司 | Optical system for LED stage lamp |
| CN107990215A (en) * | 2017-12-11 | 2018-05-04 | 苏州大学 | Concentration structure, light-source system and the application of line source |
| CN112594653A (en) * | 2020-12-09 | 2021-04-02 | 广州市雅江光电设备有限公司 | Color temperature adjustable high color rendering white light system and imaging device |
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