CN202349763U - Optical system of LED (light emitting diode) light beam lamp - Google Patents

Optical system of LED (light emitting diode) light beam lamp Download PDF

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Publication number
CN202349763U
CN202349763U CN2011204545502U CN201120454550U CN202349763U CN 202349763 U CN202349763 U CN 202349763U CN 2011204545502 U CN2011204545502 U CN 2011204545502U CN 201120454550 U CN201120454550 U CN 201120454550U CN 202349763 U CN202349763 U CN 202349763U
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China
Prior art keywords
condenser
led
light
diameter
optical system
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Expired - Fee Related
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CN2011204545502U
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Chinese (zh)
Inventor
李春荣
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Guangzhou Yajiang Photoelectric Equipment Co Ltd
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Guangzhou Yajiang Photoelectric Equipment Co Ltd
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Abstract

The utility model discloses an optical system of an LED (light emitting diode) light beam lamp. The optical system sequentially comprises a light source, a first light converging lens set, a second light converging lens set, a third light converging lens set, a fourth light converging lens and a focusing lens in the light path direction, wherein the light source comprises a planar substrate; more than two LED lamp beads are arranged on the planar substrate; the first light converging lens set is mainly formed by combining first light converging lenses with the same number as the LED lamp beads; the second light converging lens set is mainly formed by combining second light converging lenses with the same number as the LED lamp beads; the third light converging lens set is mainly formed by combining third light converging lenses with the same number as the LED lamp beads; each LED lamp bead corresponds to one first light converging lens; each first light converging lens corresponds to one second light converging lens; and each second light converging lens corresponds to one third light converging lens. The light beam lamp has the advantages of a small light beam angle and high illumination.

Description

A kind of LED sealed beam lamp optical system
Technical field
The utility model relates to the LED lighting field, especially a kind of sealed beam lamp.
Background technology
Sealed beam lamp generally is applied in stage or scene is used as light effect; As its name suggests; The emergent ray of sealed beam lamp forms a branch of, form the effect of light beam, and needing between all light of outgoing as far as possible can parallel (being that beam angle is little); In sealed beam lamp, and the walking path that will change light can only rely on optical system.In the prior art, there are various optical systems, but these optical systems or be the illumination that can provide enough, but complex structure, weight are heavier; The beam effect of emergent ray is good, but not enough or the like the deficiency of illumination aly can have enough illumination so need seek at present, and the optical system of enough little beam angle is arranged again.
Summary of the invention
The utility model technical problem to be solved provides a kind of LED sealed beam lamp optical system, and it is little to have a beam angle, the advantage that illumination is high.
For solving the problems of the technologies described above, the technical scheme of the utility model is: a kind of LED sealed beam lamp optical system comprises light source, the first condenser group, the second condenser group, the 3rd condenser group, the 4th condenser and focusing lens successively by optical path direction; Said light source comprises planar substrates; Said planar substrates is provided with two above LED lamp pearls; The said first condenser group is mainly combined with first condenser that LED lamp pearl quantity equates by quantity; The said second condenser group is mainly combined with second condenser that LED lamp pearl quantity equates by quantity, and said the 3rd condenser group is mainly combined with the 3rd condenser that LED lamp pearl quantity equates by quantity; Corresponding one first condenser of each LED lamp pearl, corresponding one second condenser of each first condenser, corresponding one the 3rd condenser of each second condenser.Light source for optical system; Can accomplish to use the less camera lens combination of diameter that the luminous flux of the divergent rays 80% of single lamp pearl is assembled and be the less nearly parallel rays of divergence; And then the nearly directional light of multi beam is focused near the focus of the 4th condenser, and then realize that the light beam of many lamp pearls is synthetic by the 4th condenser; The lamp pearl is on same plane, and is easy for installation, and technology is simple, and heat radiation is handled easily, and is with low cost; Optical efficiency improves 80%; Short distance realizes closing light, and it is even to close light.Light beam through closing light is launched through focusing lens at last, and then realizes that beam angle is little, the beam effect that illumination is high.
As improvement, the diameter of said second condenser is more than or equal to the diameter of first condenser, and the diameter of said the 3rd condenser is more than or equal to the diameter of second condenser, and said the 4th condenser area covers all the 3rd condensers.
As improvement, said first condenser is an aspherical mirror, and the circular cone coefficient is-0.85 ~-0.6, and radius of curvature is 4.5 ~ 10mm, and diameter is 10 ~ 20mm.
As improvement, said second condenser is common spherical mirror, and its left side convex curvature radius is 20 ~ 60mm, and right side convex curvature radius is 8 ~ 20mm, and diameter is 10 ~ 20mm.
As improvement, said the 3rd condenser is simple planoconvex lens, and its convex curvature radius is 40 ~ 80mm, and diameter is 20 ~ 30mm.
As improvement, the focal length of said the 4th condenser is 80 ~ 120mm, and diameter is 50 ~ 70mm.
As improvement, said focusing lens is a Fresnel Lenses, and its diameter is 200 ~ 250mm.
As improvement, be provided with colour disk, aperture, pattern disk and effect disk successively by optical path direction between said the 4th condenser and the focusing lens.
As improvement, the distance between said first condenser and second condenser is 0 ~ 3mm; Distance between said second condenser and the 3rd condenser is 8 ~ 15mm; Distance between said the 3rd condenser and the 4th condenser is 2 ~ 8mm; Distance between the 4th condenser and the pattern disk is 50 ~ 100mm; Distance between colour disk and the pattern disk is 10 ~ 15mm; Distance between aperture and the pattern disk is 5 ~ 10mm; Distance between pattern disk and the effect disk is 45 ~ 55mm; Distance between focusing lens and the pattern disk is 300 ~ 400mm.
The beneficial effect that the utility model is compared with prior art brought is:
1, planar LED lamp group processing is more convenient, and it is not high to process and install desired precision;
2, can focus the focusing more convenient and quicker through the 4th condenser;
3, the planar LED light source heat radiation is handled easily, and is with low cost;
4, optical efficiency improves 80%;
5, short distance realizes closing light, and it is even to close light;
6, whole outgoing beam angle is little, and illumination is high.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is embodiment 1 a LED lamp pearl distribution schematic diagram.
Fig. 3 is embodiment 2 LED lamp pearl distribution schematic diagrams.
Fig. 4 is embodiment 3 LED lamp pearl distribution schematic diagrams.
The specific embodiment
Below in conjunction with Figure of description the utility model is further specified.
Embodiment 1
A kind of LED sealed beam lamp optical system comprises light source, the first condenser group 1, the second condenser group 2, the 3rd condenser group 3, the 4th condenser 4, colour disk 7, aperture 8, pattern disk 9, effect disk 10 and focusing lens 12 successively by optical path direction.
Like Fig. 1, shown in 2, said light source is that planar light source comprises planar substrates 6, is evenly distributed with plurality of LEDs lamp pearl 5 on the said planar substrates 6, is provided with two LED lamp pearls 5 in the present embodiment altogether, is in conplane four liang of LED lamp pearls 5 and forms planar light source.The equal correspondence in every LED lamp pearl 5 the place aheads is provided with one first condenser 11; Said first condenser 11 is an aspherical mirror, and the circular cone coefficient is-0.85, and radius of curvature is 4.5mm; Diameter is 10mm; The limit is thick to be 1mm, and two first condensers 11 are in the same plane and form the first condenser group 1, and the light that LED is sent carries out the optically focused first time.Each equal correspondence in first condenser, 11 the place aheads is provided with one second condenser 21; Said second condenser 21 is common spherical mirror, and its left radius of curvature is 20mm, and right radius of curvature is 8mm; Diameter is 10mm; The limit is thick to be 1mm, and two second condensers 21 are in the same plane and form the second condenser group 2, and the light that LED is sent carries out the optically focused second time.Each equal correspondence in second condenser, 21 the place aheads is provided with one the 3rd condenser 31; Said the 3rd condenser 31 is simple planoconvex lens; Its convex curvature radius is 40mm, and diameter is 20mm, and the limit is thick to be 1mm; Two the 3rd condensers 31 are in the same plane and form the 3rd condenser group 3, and the light that LED is sent carries out optically focused for the third time.The 3rd condenser group 3 the place aheads are provided with one the 4th condenser 4, and said the 4th condenser 4 is the Fei Nieer lens, and the focal length of said the 4th condenser is 80mm, and diameter is 50mm, and the limit is thick to be 1mm.Said focusing lens 12 is a Fresnel Lenses, and its diameter is 200mm.The condenser system that combines by first condenser 11, second condenser 21, the 3rd condenser 31; Distance between said first condenser 11 and second condenser 21 is 0mm; Distance between said second condenser 21 and the 3rd condenser 31 is 8mm, and the distance between said the 3rd condenser 31 and the 4th condenser 4 is 2mm, and the distance between said the 4th condenser 4 and the pattern disk 9 is 50mm; Distance between colour disk 7 and the pattern disk 9 is 10mm; Distance between aperture 8 and the pattern disk 9 is 5mm, and the distance between pattern disk 9 and the effect disk 10 is 45mm, and the distance between focusing lens 12 and the pattern disk 9 is 300mm.Condenser system can accomplish to use the less camera lens combination of diameter that the luminous flux gathering of the divergent rays 80% of 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 the 4th condenser 4, and then realize that the light beam of many lamp pearls is synthetic by the 4th condenser 4.Three even optically focused degressively; The beam angle that sends 120 degree from LED lamp pearl 5 gathers the 70-80 degree for the first time through the first condenser group 1; Gather for the second time the 30-40 degree through the second condenser group 2, gather for the third time in 20 degree, at last near the 4th condenser 4 focuses through the 3rd condenser group 3; Light more than 60% concentrates in the 20mm-60mm diameter range, and the divergence of beam angle more than 60% is in 40 degree.Light carries out effect through colour disk 7, aperture 8, pattern disk 9, effect disk 10 more successively and adds through after the focusing system, launches through focusing lens 12 at last, and the light beam angle that emits is little, and illumination is high.
Embodiment 2
A kind of LED sealed beam lamp optical system comprises light source, the first condenser group 1, the second condenser group 2, the 3rd condenser group 3, the 4th condenser 4, colour disk 7, aperture 8, pattern disk 9, effect disk 10 and focusing lens 12 successively by optical path direction.
Like Fig. 1, shown in 3, said light source is that planar light source comprises planar substrates 6, is evenly distributed with plurality of LEDs lamp pearl 5 on the said planar substrates 6, is provided with three LED lamp pearls 5 in the present embodiment altogether, is in conplane three LED lamp pearls 5 and forms planar light source.The equal correspondence in every LED lamp pearl 5 the place aheads is provided with one first condenser 11; Said first condenser 11 is an aspherical mirror, and the circular cone coefficient is-0.70, and radius of curvature is 7.0mm; Diameter is 13mm; The limit is thick to be 1mm, and three first condensers 11 are in the same plane and form the first condenser group 1, and the light that LED is sent carries out the optically focused first time.Each equal correspondence in first condenser, 11 the place aheads is provided with one second condenser 21; Said second condenser 21 is common spherical mirror, and its left radius of curvature is 40mm, and right radius of curvature is 15mm; Diameter is 15mm; The limit is thick to be 1mm, and three second condensers 21 are in the same plane and form the second condenser group 2, and the light that LED is sent carries out the optically focused second time.Each equal correspondence in second condenser, 21 the place aheads is provided with one the 3rd condenser 31; Said the 3rd condenser 31 is simple planoconvex lens; Its convex curvature radius is 60mm, and diameter is 25mm, and the limit is thick to be 1mm; Three the 3rd condensers 31 are in the same plane and form the 3rd condenser group 3, and the light that LED is sent carries out optically focused for the third time.The 3rd condenser group 3 the place aheads are provided with one the 4th condenser 4, and said the 4th condenser 4 is the Fei Nieer lens, and the focal length of said the 4th condenser is 100mm, and diameter is 60mm, and the limit is thick to be 1mm.Said focusing lens 12 is a Fresnel Lenses, and its diameter is 220mm.The condenser system that combines by first condenser 11, second condenser 21, the 3rd condenser 31; Distance between said first condenser 11 and second condenser 21 is 1.5mm; Distance between said second condenser 21 and the 3rd condenser 31 is 12mm, and the distance between said the 3rd condenser 31 and the 4th condenser 4 is 5mm, and the distance between said the 4th condenser and the pattern disk 9 is 70mm; Distance between colour disk 7 and the pattern disk 9 is 12mm; Distance between aperture 8 and the pattern disk 9 is 8mm, and the distance between pattern disk 9 and the effect disk 10 is 50mm, and the distance between focusing lens 12 and the pattern disk 9 is 350mm.Condenser system can accomplish to use the less camera lens combination of diameter that the luminous flux gathering of the divergent rays 80% of 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 the 4th condenser 4, and then realize that the light beam of many lamp pearls is synthetic by the 4th condenser 4.Three even optically focused degressively; The beam angle that sends 120 degree from LED lamp pearl 5 gathers the 70-80 degree for the first time through the first condenser group 1; Gather for the second time the 30-40 degree through the second condenser group 2, gather for the third time in 20 degree, at last near the 4th condenser 4 focuses through the 3rd condenser group 3; Light more than 60% concentrates in the 20mm-60mm diameter range, and the divergence of beam angle more than 60% is in 40 degree.Light carries out effect through colour disk 7, aperture 8, pattern disk 9, effect disk 10 more successively and adds through after the focusing system, launches through focusing lens 12 at last, and the light beam angle that emits is little, and illumination is high.
Embodiment 3
A kind of LED sealed beam lamp optical system comprises light source, the first condenser group 1, the second condenser group 2, the 3rd condenser group 3, the 4th condenser 4, colour disk 7, aperture 8, pattern disk 9, effect disk 10 and focusing lens 12 successively by optical path direction.
Like Fig. 1, shown in 4, said light source is that planar light source comprises planar substrates 6, is evenly distributed with plurality of LEDs lamp pearl 5 on the said planar substrates 6, is provided with four LED lamp pearls 5 in the present embodiment altogether, is in conplane four LED lamp pearls 5 and forms planar light source.The equal correspondence in every LED lamp pearl 5 the place aheads is provided with one first condenser 11; Said first condenser 11 is an aspherical mirror, and the circular cone coefficient is-0.6, and radius of curvature is 10mm; Diameter is 19mm; The limit is thick to be 1mm, and four first condensers 11 are in the same plane and form the first condenser group 1, and the light that LED is sent carries out the optically focused first time.Each equal correspondence in first condenser, 11 the place aheads is provided with one second condenser 21; Said second condenser 21 is common spherical mirror, and its left radius of curvature is 60mm, and right radius of curvature is 20mm; Diameter is 20mm; The limit is thick to be 1mm, and four second condensers 21 are in the same plane and form the second condenser group 2, and the light that LED is sent carries out the optically focused second time.Each equal correspondence in second condenser, 21 the place aheads is provided with one the 3rd condenser 31; Said the 3rd condenser 31 is simple planoconvex lens; Its convex curvature radius is 80mm, and diameter is 30mm, and the limit is thick to be 1mm; Four the 3rd condensers 31 are in the same plane and form the 3rd condenser group 3, and the light that LED is sent carries out optically focused for the third time.The 3rd condenser group 3 the place aheads are provided with one the 4th condenser 4, and said the 4th condenser 4 is the Fei Nieer lens, and the focal length of said the 4th condenser is 120mm, and diameter is 70mm, and the limit is thick to be 1mm.Said focusing lens 12 is a Fresnel Lenses, and its diameter is 250mm.The condenser system that combines by first condenser 11, second condenser 21, the 3rd condenser 31; Distance between said first condenser 11 and second condenser 21 is 3mm; Distance between said second condenser 21 and the 3rd condenser 31 is 15mm, and the distance between said the 3rd condenser 31 and the 4th condenser 4 is 8mm, and the distance between said the 4th condenser and the pattern disk 9 is 100mm; Distance between colour disk 7 and the pattern disk 9 is 15mm; Distance between aperture 8 and the pattern disk 9 is 10mm, and the distance between pattern disk 9 and the effect disk 10 is 55mm, and the distance between focusing lens 12 and the pattern disk 9 is 400mm.Condenser system can accomplish to use the less camera lens combination of diameter that the luminous flux gathering of the divergent rays 80% of 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 the 4th condenser 4, and then realize that the light beam of many lamp pearls is synthetic by the 4th condenser 4.Three even optically focused degressively; The beam angle that sends 120 degree from LED lamp pearl 5 gathers the 70-80 degree for the first time through the first condenser group 1; Gather for the second time the 30-40 degree through the second condenser group 2, gather for the third time in 20 degree, at last near the 4th condenser 4 focuses through the 3rd condenser group 3; Light more than 60% concentrates in the 20mm-60mm diameter range, and the divergence of beam angle more than 60% is in 40 degree.Light carries out effect through colour disk 7, aperture 8, pattern disk 9, effect disk 10 more successively and adds through after the focusing system, launches through focusing lens 12 at last, and the light beam angle that emits is little, and illumination is high.

Claims (9)

1. a LED sealed beam lamp optical system is characterized in that: comprise light source, the first condenser group, the second condenser group, the 3rd condenser group, the 4th condenser and focusing lens successively by optical path direction; Said light source comprises planar substrates; Said planar substrates is provided with two above LED lamp pearls; The said first condenser group is mainly combined with first condenser that LED lamp pearl quantity equates by quantity; The said second condenser group is mainly combined with second condenser that LED lamp pearl quantity equates by quantity, and said the 3rd condenser group is mainly combined with the 3rd condenser that LED lamp pearl quantity equates by quantity; Corresponding one first condenser of each LED lamp pearl, corresponding one second condenser of each first condenser, corresponding one the 3rd condenser of each second condenser.
2. a kind of LED sealed beam lamp optical system according to claim 1; It is characterized in that: the diameter of said second condenser is more than or equal to the diameter of first condenser; The diameter of said the 3rd condenser is more than or equal to the diameter of second condenser, and said the 4th condenser area covers all the 3rd condensers.
3. a kind of LED sealed beam lamp optical system according to claim 1, it is characterized in that: said first condenser is an aspherical mirror, and the circular cone coefficient is-0.85 ~-0.6, and radius of curvature is 4.5 ~ 10mm, and diameter is 10 ~ 20mm.
4. a kind of LED sealed beam lamp optical system according to claim 1, it is characterized in that: said second condenser is common spherical mirror, and its left side convex curvature radius is 20 ~ 60mm, and right side convex curvature radius is 8 ~ 20mm, and diameter is 10 ~ 20mm.
5. a kind of LED sealed beam lamp optical system according to claim 1, it is characterized in that: said the 3rd condenser is simple planoconvex lens, and its convex curvature radius is 40 ~ 80mm, and diameter is 20 ~ 30mm.
6. a kind of LED sealed beam lamp optical system according to claim 1, it is characterized in that: said the 4th condenser is a Fresnel Lenses, and its focal length is 80 ~ 120mm, and diameter is 50 ~ 70mm.
7. a kind of LED sealed beam lamp optical system according to claim 1, it is characterized in that: said focusing lens is a Fresnel Lenses, its diameter is 200 ~ 250mm.
8. a kind of LED sealed beam lamp optical system according to claim 1 is characterized in that: be provided with colour disk, aperture, pattern disk and effect disk successively by optical path direction between said the 4th condenser and the focusing lens.
9. a kind of LED sealed beam lamp optical system according to claim 8, it is characterized in that: the distance between said first condenser and second condenser is 0 ~ 3mm; Distance between said second condenser and the 3rd condenser is 8 ~ 15mm; Distance between said the 3rd condenser and the 4th condenser is 2 ~ 8mm; Distance between the 4th condenser and the pattern disk is 50 ~ 100mm; Distance between colour disk and the pattern disk is 10 ~ 15mm; Distance between aperture and the pattern disk is 5 ~ 10mm; Distance between pattern disk and the effect disk is 45 ~ 55mm; Distance between focusing lens and the pattern disk is 300 ~ 400mm.
CN2011204545502U 2011-11-16 2011-11-16 Optical system of LED (light emitting diode) light beam lamp Expired - Fee Related CN202349763U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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
CN103775886A (en) * 2014-02-08 2014-05-07 深圳市海普创科技开发有限公司 Light control assembly and LED lamp
CN108006456A (en) * 2016-10-27 2018-05-08 广州达森灯光股份有限公司 A kind of LED light lighting device for realizing very small angles light beam
CN109814324A (en) * 2019-02-26 2019-05-28 广州市雅江光电设备有限公司 A kind of imaging optical system

Cited By (5)

* Cited by examiner, † Cited by third party
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
CN103775886A (en) * 2014-02-08 2014-05-07 深圳市海普创科技开发有限公司 Light control assembly and LED lamp
CN108006456A (en) * 2016-10-27 2018-05-08 广州达森灯光股份有限公司 A kind of LED light lighting device for realizing very small angles light beam
CN108006456B (en) * 2016-10-27 2021-01-12 广州达森灯光股份有限公司 LED optical lighting device for realizing light beam with minimum angle
CN109814324A (en) * 2019-02-26 2019-05-28 广州市雅江光电设备有限公司 A kind of imaging optical system

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Granted publication date: 20120725

Termination date: 20161116