CN204313223U - A kind of LED stage lamp imaging optical path system - Google Patents
A kind of LED stage lamp imaging optical path system Download PDFInfo
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- CN204313223U CN204313223U CN201420778334.7U CN201420778334U CN204313223U CN 204313223 U CN204313223 U CN 204313223U CN 201420778334 U CN201420778334 U CN 201420778334U CN 204313223 U CN204313223 U CN 204313223U
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Abstract
A kind of LED stage lamp imaging optical path system, comprises LED light source, beam condensing unit, imaging device and imaging pattern; Described beam condensing unit comprises the first condenser group, second condenser lens group and collector lens, and described first condenser group is made up of some first condensers, described first condenser be arranged on LED lamp bead front and with LED lamp bead one_to_one corresponding; Described second condenser lens group is made up of some second condenser lens, described second condenser lens be arranged on the first condenser front and with the first condenser one_to_one corresponding; Described collector lens is arranged on the front of second condenser lens group; Described imaging device comprises the first compound lens and the second compound lens, described first compound lens is made up of the first concave-convex lens and the first gummed mirror, described second compound lens is made up of the second concave-convex lens and the second gummed mirror, first concave-convex lens, the first gummed mirror, the second concave-convex lens, the second gummed mirror are arranged in order by light path, light path system imaging clearly, image-forming range is short.
Description
Technical field
The utility model relates to field of LED illumination, especially LED stage lamp imaging optical path system.
Background technology
In existing LED imaging lamp imaging optical system, generally comprise light source, beam condensing unit and imaging device.Because existing beam condensing unit and imaging device exist larger defect, in order to make light fixture have larger power, on light source, the general plurality of LEDs chip that adopts is as light source, makes up the deficiency of beam condensing unit optically focused with this, and the deficiency of imaging device imaging.This kind stage lighting power consumption is large, efficiency is low, and imaging effect is poor.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of LED stage lamp light path system, and structure is simple, and imaging effect is good.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of LED stage lamp imaging optical path system, comprises LED light source, beam condensing unit, imaging device and imaging pattern; It is characterized in that: described LED light source comprises LED lamp bead plate and is arranged on the some LED lamp bead on LED lamp bead plate; Described beam condensing unit comprises the first condenser group, second condenser lens group and collector lens, and described first condenser group is made up of some first condensers, described first condenser be arranged on LED lamp bead front and with LED lamp bead one_to_one corresponding; Described second condenser lens group is made up of some second condenser lens, described second condenser lens be arranged on the first condenser front and with the first condenser one_to_one corresponding; Described collector lens is arranged on the front of second condenser lens group; Described imaging device comprises the first compound lens and the second compound lens, described first compound lens is made up of the first concave-convex lens and the first gummed mirror, described second compound lens is made up of the second concave-convex lens and the second gummed mirror, and the first concave-convex lens, the first gummed mirror, the second concave-convex lens, the second gummed mirror are arranged in order by light path.
As improvement, described collector lens is plano lens or biconvex lens, and the convex surface of collector lens is sphere or aspheric surface.Light synthetic focusing between its 1 times of focal length and 2 times of focal lengths, is formed comparatively small light spot by collector lens.
As improvement, the distance between on the left of described imaging pattern and imaging device is 25 ~ 45mm, and the distance between on the right side of imaging pattern and imaging device is 120 ~ 160mm.
As improvement, described first gummed mirror is made up of the 3rd concave-convex lens and the 4th concave-convex lens, and described second gummed mirror is made up of the 5th concave-convex lens and biconvex lens.
As improvement, the plane of incidence of described first concave-convex lens is concave surface, and radius of curvature is more than 500mm, and its exit facet is convex surface, and radius of curvature is 30 ~ 50mm; The plane of incidence of the 3rd concave-convex lens is convex surface, and radius of curvature is 100 ~ 300mm, and exit facet is concave surface, and radius of curvature is 30 ~ 60mm; The plane of incidence of the 4th concave-convex lens is convex surface, and radius of curvature is 30 ~ 60mm, and exit facet is concave surface, and radius of curvature is more than 150mm.
As improvement, the plane of incidence of described second concave-convex lens is concave surface, and radius of curvature is more than 2000mm, and its exit facet is convex surface, and radius of curvature is 60 ~ 90mm; The plane of incidence of the 5th concave-convex lens is convex surface, and radius of curvature is more than 1000mm, and its exit facet is concave surface, and radius of curvature is 110 ~ 150mm; The plane of incidence of biconvex lens is convex surface, and radius of curvature is 110 ~ 150mm, and exit facet is convex surface, and radius of curvature is 100 ~ 150mm.
The beneficial effect that the utility model is compared with prior art brought is:
After first condenser group and the second condenser lens group light focusing that just LED sends, the angle of divergence of light is less than 30 degree; Light synthetic focusing between its 1 times of focal length and 2 times of focal lengths, is formed comparatively small light spot by collector lens; 60% passes through light hole with glazed thread, and the picture of light hole becomes the distance of 2-20 rice on the right side of camera lens to form hot spot clearly by imaging device.
Accompanying drawing explanation
Fig. 1 is the utility model index path.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of LED stage lamp light path system, comprises LED light source, beam condensing unit, imaging device and imaging pattern 5.
Some LED lamp bead 12 that described LED light source 1 comprises LED lamp bead plate 11 and is arranged on LED lamp bead plate 11.LED lamp bead plate 11 is welded on aluminium base or copper base by the even permutation of LED body, substrate has the circuit of link LED.
Described beam condensing unit comprises the first condenser group 2, second condenser lens group 3 and collector lens 4.Described first condenser group 2 is made up of some first condensers 21, described first condenser 21 be arranged on LED lamp bead front and with LED lamp bead one_to_one corresponding.Described second condenser lens group 3 is made up of some second condenser lens 31, described second condenser lens 31 be arranged on the first condenser 21 front and with the first condenser 21 one_to_one corresponding.Described collector lens 4 is arranged on the front of second condenser lens group 3, the second condenser lens 31 that its area covering is all; Described collector lens 4 is plano lens or biconvex lens, and the convex surface of collector lens 4 is sphere or aspheric surface; Light synthetic focusing between its 1 times of focal length and 2 times of focal lengths, is formed comparatively small light spot by collector lens 4.
Described imaging device comprises the first compound lens 6 and the second compound lens 7, described first compound lens 6 is made up of the first concave-convex lens 61 and the first gummed mirror 62, described second compound lens 7 is made up of the second concave-convex lens 71 and the second gummed mirror 72, and the first concave-convex lens 61, first glues together mirror 62, second concave-convex lens 71, second gummed mirror 72 and is arranged in order by light path.Described first gummed mirror 62 is made up of the 3rd concave-convex lens 621 and the 4th concave-convex lens 622, and described second gummed mirror 72 is made up of the 5th concave-convex lens 721 and biconvex lens 722.
Distance between on the left of described imaging pattern and imaging device is 25mm; Distance between on the right side of imaging pattern and imaging device is 120mm.The plane of incidence of described first concave-convex lens 61 is concave surface, and radius of curvature is 500mm, and its exit facet is convex surface, and radius of curvature is 30mm; The plane of incidence of the 3rd concave-convex lens 621 is convex surface, and radius of curvature is 100mm, and exit facet is concave surface, and radius of curvature is 30mm; The plane of incidence of the 4th concave-convex lens 622 is convex surface, and radius of curvature is 30mm, and exit facet is concave surface, and radius of curvature is 150mm.The plane of incidence of described second concave-convex lens 71 is concave surface, and radius of curvature is 2000mm, and its exit facet is convex surface, and radius of curvature is 60mm; The plane of incidence of the 5th concave-convex lens 721 is convex surface, and radius of curvature is 1000mm, and its exit facet is concave surface, and radius of curvature is 110mm; The plane of incidence of biconvex lens 722 is convex surface, and radius of curvature is 110mm, and exit facet is convex surface, and radius of curvature is 100mm.
After first condenser group 2 and second condenser lens group 3 light focusing that just LED sends, the angle of divergence of light is less than 30 degree; Light synthetic focusing between its 1 times of focal length and 2 times of focal lengths, is formed comparatively small light spot by collector lens 4; 60% passes through light hole with glazed thread, and the picture of light hole becomes the distance of 2-20 rice on the right side of camera lens to form hot spot clearly by imaging device.
Embodiment 2
As shown in Figure 1, with embodiment 1 difference be; Distance between on the left of described imaging pattern 5 and imaging device is 35mm; Distance between on the right side of imaging pattern and imaging device is 140mm.The plane of incidence of described first concave-convex lens 61 is concave surface, and radius of curvature is 700mm, and its exit facet is convex surface, and radius of curvature is 40mm; The plane of incidence of the 3rd concave-convex lens 621 is convex surface, and radius of curvature is 200mm, and exit facet is concave surface, and radius of curvature is 45mm; The plane of incidence of the 4th concave-convex lens 622 is convex surface, and radius of curvature is 45mm, and exit facet is concave surface, and radius of curvature is 300mm.The plane of incidence of described second concave-convex lens 71 is concave surface, and radius of curvature is 4000mm, and its exit facet is convex surface, and radius of curvature is 60mm; The plane of incidence of the 5th concave-convex lens 721 is convex surface, and radius of curvature is 2000mm, and its exit facet is concave surface, and radius of curvature is 130mm; The plane of incidence of biconvex lens 722 is convex surface, and radius of curvature is 130mm, and exit facet is convex surface, and radius of curvature is 130mm.The effect that the present embodiment produces and embodiment basically identical.
Embodiment 3
As shown in Figure 1, with embodiment 1 difference be; Distance between on the left of described imaging pattern 5 and imaging device is 45mm; Distance between on the right side of imaging pattern and imaging device is 160mm.The plane of incidence of described first concave-convex lens 61 is concave surface, and radius of curvature is 900mm, and its exit facet is convex surface, and radius of curvature is 50mm; The plane of incidence of the 3rd concave-convex lens 621 is convex surface, and radius of curvature is 300mm, and exit facet is concave surface, and radius of curvature is 60mm; The plane of incidence of the 4th concave-convex lens 622 is convex surface, and radius of curvature is 60mm, and exit facet is concave surface, and radius of curvature is 500mm.The plane of incidence of described second concave-convex lens 71 is concave surface, and radius of curvature is 5000mm, and its exit facet is convex surface, and radius of curvature is 90mm; The plane of incidence of the 5th concave-convex lens 721 is convex surface, and radius of curvature is 5000mm, and its exit facet is concave surface, and radius of curvature is 150mm; The plane of incidence of biconvex lens 722 is convex surface, and radius of curvature is 150mm, and exit facet is convex surface, and radius of curvature is 150mm.The effect that the present embodiment produces and embodiment basically identical.
Claims (6)
1. a LED stage lamp imaging optical path system, comprises LED light source, beam condensing unit, imaging device and imaging pattern; It is characterized in that: described LED light source comprises LED lamp bead plate and is arranged on the some LED lamp bead on LED lamp bead plate; Described beam condensing unit comprises the first condenser group, second condenser lens group and collector lens, and described first condenser group is made up of some first condensers, described first condenser be arranged on LED lamp bead front and with LED lamp bead one_to_one corresponding; Described second condenser lens group is made up of some second condenser lens, described second condenser lens be arranged on the first condenser front and with the first condenser one_to_one corresponding; Described collector lens is arranged on the front of second condenser lens group; Described imaging device comprises the first compound lens and the second compound lens, described first compound lens is made up of the first concave-convex lens and the first gummed mirror, described second compound lens is made up of the second concave-convex lens and the second gummed mirror, and the first concave-convex lens, the first gummed mirror, the second concave-convex lens, the second gummed mirror are arranged in order by light path.
2. a kind of LED stage lamp imaging optical path system according to claim 1, is characterized in that: described collector lens is plano lens or biconvex lens.
3. a kind of LED stage lamp imaging optical path system according to claim 1, is characterized in that: the distance between on the left of described imaging pattern and imaging device is 25 ~ 45mm, and the distance between on the right side of imaging pattern and imaging device is 120 ~ 160mm.
4. a kind of LED stage lamp imaging optical path system according to claim 1, is characterized in that: described first gummed mirror is made up of the 3rd concave-convex lens and the 4th concave-convex lens, and described second gummed mirror is made up of the 5th concave-convex lens and biconvex lens.
5. a kind of LED stage lamp imaging optical path system according to claim 4, is characterized in that: the plane of incidence of described first concave-convex lens is concave surface, and radius of curvature is more than 500mm, and its exit facet is convex surface, and radius of curvature is 30 ~ 50mm; The plane of incidence of the 3rd concave-convex lens is convex surface, and radius of curvature is 100 ~ 300mm, and exit facet is concave surface, and radius of curvature is 30 ~ 60mm; The plane of incidence of the 4th concave-convex lens is convex surface, and radius of curvature is 30 ~ 60mm, and exit facet is concave surface, and radius of curvature is more than 150mm.
6. a kind of LED stage lamp imaging optical path system according to claim 4, is characterized in that: the plane of incidence of described second concave-convex lens is concave surface, and radius of curvature is more than 2000mm, and its exit facet is convex surface, and radius of curvature is 60 ~ 90mm; The plane of incidence of the 5th concave-convex lens is convex surface, and radius of curvature is more than 1000mm, and its exit facet is concave surface, and radius of curvature is 110 ~ 150mm; The plane of incidence of biconvex lens is convex surface, and radius of curvature is 110 ~ 150mm, and exit facet is convex surface, and radius of curvature is 100 ~ 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778334.7U CN204313223U (en) | 2014-12-11 | 2014-12-11 | A kind of LED stage lamp imaging optical path system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778334.7U CN204313223U (en) | 2014-12-11 | 2014-12-11 | A kind of LED stage lamp imaging optical path system |
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| CN204313223U true CN204313223U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420778334.7U Expired - Fee Related CN204313223U (en) | 2014-12-11 | 2014-12-11 | A kind of LED stage lamp imaging optical path system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300758A (en) * | 2017-08-18 | 2017-10-27 | 广东北创光电科技股份有限公司 | Focal length is 16mm optical lens |
| 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 |
| CN107883242A (en) * | 2016-09-29 | 2018-04-06 | 广州达森灯光股份有限公司 | LED beam pattern lamp |
-
2014
- 2014-12-11 CN CN201420778334.7U patent/CN204313223U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883242A (en) * | 2016-09-29 | 2018-04-06 | 广州达森灯光股份有限公司 | LED beam pattern lamp |
| CN107300758A (en) * | 2017-08-18 | 2017-10-27 | 广东北创光电科技股份有限公司 | Focal length is 16mm optical lens |
| CN107300758B (en) * | 2017-08-18 | 2023-03-31 | 广东北创光电科技股份有限公司 | Optical lens with 16mm focal length |
| 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 |
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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 |
Granted publication date: 20150506 Termination date: 20201211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |