CN204313121U - A kind of LED stage lamp light path system - Google Patents
A kind of LED stage lamp light path system Download PDFInfo
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- CN204313121U CN204313121U CN201420778413.8U CN201420778413U CN204313121U CN 204313121 U CN204313121 U CN 204313121U CN 201420778413 U CN201420778413 U CN 201420778413U CN 204313121 U CN204313121 U CN 204313121U
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- 238000003384 imaging method Methods 0.000 claims abstract description 36
- 239000011324 bead Substances 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 3
- 235000009566 rice Nutrition 0.000 abstract description 3
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 241000209094 Oryza Species 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
A kind of LED stage lamp light 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, first condenser group by some with LED lamp bead one to one the first condenser form, second condenser lens group by some with the first condenser one to one second condenser lens form, collector lens is arranged on the front of second condenser lens group; Imaging device is made up of the first concave-convex lens and gummed mirror.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.
Description
Technical field
The utility model relates to field of LED illumination, especially LED stage lamp light 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 light path system, comprises LED light source, beam condensing unit, imaging device and imaging pattern; 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 is made up of the first concave-convex lens and gummed mirror.
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 described imaging pattern and imaging device is 80 ~ 120mm.
As improvement, described gummed mirror is made up of the second concave-convex lens and biconvex lens, is followed successively by the first concave-convex lens, the second concave-convex lens, biconvex lens in imaging device by optical path.
As improvement, the plane of incidence of described first concave-convex lens is concave surface, and radius of curvature is 200 ~ 450mm, and its exit facet is convex surface, and radius of curvature is 60 ~ 90mm; The plane of incidence of the second 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 90 ~ 120mm; The plane of incidence of biconvex lens is convex surface, and radius of curvature is 90 ~ 120mm, 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 is made up of the first concave-convex lens 6 and gummed mirror 7.Described gummed mirror 7 is made up of the second concave-convex lens 71 and biconvex lens 72, is followed successively by the first concave-convex lens 6, second concave-convex lens 71, biconvex lens 72 in imaging device by optical path.
Distance L2 between described imaging pattern 5 and imaging device is 80mm; The plane of incidence of described first concave-convex lens 6 is concave surface, and radius of curvature R 1 is 200mm, and its exit facet is convex surface, and radius of curvature R 2 is 60mm; The plane of incidence of the second concave-convex lens 71 is convex surface, and radius of curvature R 3 is 1000mm, and its exit facet is concave surface, and radius of curvature R 4 is 90mm; The plane of incidence of biconvex lens 72 is convex surface, and radius of curvature R 4 is 90mm, and exit facet is convex surface, and radius of curvature R 5 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 L2 between described imaging pattern 5 and imaging device is 100mm; The plane of incidence of described first concave-convex lens 6 is concave surface, and radius of curvature R 1 is 300mm, and its exit facet is convex surface, and radius of curvature R 2 is 75mm; The plane of incidence of the second concave-convex lens 71 is convex surface, and radius of curvature R 3 is 2000mm, and its exit facet is concave surface, and radius of curvature R 4 is 110mm; The plane of incidence of biconvex lens 72 is convex surface, and radius of curvature R 4 is 110mm, and exit facet is convex surface, and radius of curvature R 5 is 120mm.The effect that the present embodiment produces and embodiment basically identical.
Embodiment 3
As shown in Figure 1, with embodiment 1 difference be; Distance L2 between described imaging pattern 5 and imaging device is 120mm; The plane of incidence of described first concave-convex lens 6 is concave surface, and radius of curvature R 1 is 450mm, and its exit facet is convex surface, and radius of curvature R 2 is 90mm; The plane of incidence of the second concave-convex lens 71 is convex surface, and radius of curvature R 3 is 3000mm, and its exit facet is concave surface, and radius of curvature R 4 is 120mm; The plane of incidence of biconvex lens 72 is convex surface, and radius of curvature R 4 is 120mm, and exit facet is convex surface, and radius of curvature R 5 is 150mm.The effect that the present embodiment produces and embodiment basically identical.
Claims (6)
1. a LED stage lamp light 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 is made up of the first concave-convex lens and gummed mirror.
2. a kind of LED stage lamp light 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 light path system according to claim 2, is characterized in that: the convex surface of collector lens is sphere or aspheric surface.
4. a kind of LED stage lamp light path system according to claim 1, is characterized in that: the distance between described imaging pattern and imaging device is 80 ~ 120mm.
5. a kind of LED stage lamp light path system according to claim 1, is characterized in that: described gummed mirror is made up of the second concave-convex lens and biconvex lens, is followed successively by the first concave-convex lens, the second concave-convex lens, biconvex lens in imaging device by optical path.
6. a kind of LED stage lamp light path system according to claim 5, is characterized in that: the plane of incidence of described first concave-convex lens is concave surface, and radius of curvature is 200 ~ 450mm, and its exit facet is convex surface, and radius of curvature is 60 ~ 90mm; The plane of incidence of the second 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 90 ~ 120mm; The plane of incidence of biconvex lens is convex surface, and radius of curvature is 90 ~ 120mm, and exit facet is convex surface, and radius of curvature is 100 ~ 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778413.8U CN204313121U (en) | 2014-12-11 | 2014-12-11 | A kind of LED stage lamp light path system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778413.8U CN204313121U (en) | 2014-12-11 | 2014-12-11 | A kind of LED stage lamp light path system |
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| Publication Number | Publication Date |
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| CN204313121U true CN204313121U (en) | 2015-05-06 |
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| CN201420778413.8U Expired - Fee Related CN204313121U (en) | 2014-12-11 | 2014-12-11 | A kind of LED stage lamp light path system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272162A (en) * | 2017-08-18 | 2017-10-20 | 广东北创光电科技股份有限公司 | Focal length is 25mm optical lens |
| CN107329237A (en) * | 2017-08-18 | 2017-11-07 | 广东北创光电科技股份有限公司 | Focal length is 50mm optical lens |
| CN107763569A (en) * | 2017-11-21 | 2018-03-06 | 广州达森灯光股份有限公司 | A kind of plurality of LEDs lamp condenser dodging device for stage lamp |
| 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 CN201420778413.8U patent/CN204313121U/en not_active Expired - Fee Related
Cited By (7)
| 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 |
| CN107272162A (en) * | 2017-08-18 | 2017-10-20 | 广东北创光电科技股份有限公司 | Focal length is 25mm optical lens |
| CN107329237A (en) * | 2017-08-18 | 2017-11-07 | 广东北创光电科技股份有限公司 | Focal length is 50mm optical lens |
| CN107272162B (en) * | 2017-08-18 | 2023-03-28 | 广东北创光电科技股份有限公司 | Optical lens with focal length of 25mm |
| CN107763569A (en) * | 2017-11-21 | 2018-03-06 | 广州达森灯光股份有限公司 | A kind of plurality of LEDs lamp condenser dodging device for stage lamp |
| 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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| 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: 20150506 Termination date: 20201211 |