CN206347322U - A kind of plurality of LEDs lamp bead closing light condenser system for being used to be imaged light fixture - Google Patents
A kind of plurality of LEDs lamp bead closing light condenser system for being used to be imaged light fixture Download PDFInfo
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- CN206347322U CN206347322U CN201621379917.8U CN201621379917U CN206347322U CN 206347322 U CN206347322 U CN 206347322U CN 201621379917 U CN201621379917 U CN 201621379917U CN 206347322 U CN206347322 U CN 206347322U
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- condenser
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- light source
- led
- lamp bead
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- 239000011324 bead Substances 0.000 title claims abstract description 25
- 239000000758 substrate Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 12
- 239000000203 mixture Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005829 trimerization reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of plurality of LEDs lamp bead closing light condenser system for being used to be imaged light fixture, including LED/light source, the first prefocus cup group, second condenser lens and the 3rd condenser；LED/light source is made up of the LED light source unit of more than two；The first described prefocus cup group includes being correspondingly arranged one first prefocus cup with LED/light source element number the first prefocus cup of identical, each LED light source unit, and the front organized in the first optically focused is provided with second condenser lens, and the 3rd condenser is provided with the front of second condenser lens.The technical problems to be solved in the utility model provides a kind of plurality of LEDs lamp bead closing light condenser system for being used to be imaged light fixture, and the cost of optical system is low；Short distance closing light can be achieved, and closing light is uniform.
Description
Technical field
The utility model is related to a kind of plurality of LEDs lamp bead closing light condenser system for being used to be imaged light fixture.
Background technology
For the optical system of existing many color LED light sources, in order that angle after closing light optically focused is small, closing light optically focused
Colour mixture is uniform afterwards, and typically colored lamp bead is closely arranged, and a collector lens group is then added behind lamp bead, for realizing colour
Lamp bead closing light optically focused.This kind of imaging device has the following disadvantages：Lamp bead is closely arranged, and makes cooling requirements higher；It is multigroup poly-
Optical lens group makes optical system become too fat to move complexity, and multigroup collector lens needs to couple and installed, and installation accuracy requires high；And
Lens group used in this kind is larger, and closing light distance, closing light is uneven, and use cost is too high.
The content of the invention
The technical problems to be solved in the utility model provides a kind of plurality of LEDs lamp bead closing light optically focused system for being used to be imaged light fixture
System, the cost of optical system is low；Short distance closing light can be achieved, and closing light is uniform.
In order to solve the above technical problems, a kind of plurality of LEDs lamp bead closing light condenser system for being used to be imaged light fixture, including LED
Light source, the first prefocus cup group, second condenser lens and the 3rd condenser；LED/light source is made up of the LED light source unit of more than two；
The first described prefocus cup group includes setting with LED/light source element number the first prefocus cup of identical, each LED light source unit correspondence
One first prefocus cup is put, the front organized in the first optically focused is provided with second condenser lens, and the 3rd is provided with the front of second condenser lens
Condenser.
Above-mentioned closing light condenser system, the light issued per LEDs light source cell enters by its corresponding first prefocus cup
Row optically focused, is then carried out after optically focused, the angle of divergence of light becomes smaller by second condenser lens, forms a branch of nearly directional light, many
The nearly directional light of beam carries out the focusing and mixing of light by the 3rd condenser simultaneously, focuses on after mixing, light beam is changed by divergent beams
For convergent beam, the luminous flux of LED/light source 80% is all concentrated in the diaphragm that 3-8mm distances are placed after the 3rd collector lens,
The light beam of LED/light source is uniformly mixed in stop position, system is had extraordinary colour mixture, and pattern segments are placed in stop position, can
Realize clearly imaging effect.It can accomplish to be combined the divergent rays 80% of single LEDs light source cell with relatively simple camera lens
Luminous flux is collected as the nearly parallel rays assembled, and then realizes the light beam synthesis of plurality of LEDs light source cell.LED light source unit can
The arrangement of relative distribution, it is easy for installation, need to only there is a corresponding prefocus cup to carry out optically focused, peace before each LED light source unit
Dress and adjustment are easier to control, and optical system is greatly simplified than before；Can short distance realize closing light, and closing light is uniform.Optical system
System is greatly simplified than before.
Further, described LED light source unit is color LED light source unit.
Further, all LED light source units are on conplane substrate.To realize that colour mixture is uniform, LED light source unit
Dispersed arrangement by a certain percentage；Than former, the cooling requirements of LED/light source are lower.
Further, a diameter of 10 ~ 25mm of the first prefocus cup, is highly 3 ~ 6mm, and it is 20 ° -30 ° to receive angular.Can
Nearly 120 ° of light that LED light source unit is sent is convergent on 20 ° -30 °.Light that first optically focused microscope group is issued to LED carries out the
Optically focused.
Further, first prefocus cup group of all first prefocus cups composition in the same plane.
Further, second condenser lens are spherical mirror, and the bottom surface of second condenser lens is plane, and the top surface of second condenser lens is
Convex surface, its radius of curvature is 150 ~ 250mm, a diameter of 80 ~ 120mm.The light that second condenser lens are issued to LED light source unit
Carry out second of optically focused.
Further, the 3rd condenser be Fei Nieer lens, its focal length be 150 ~ 250mm, a diameter of 70 ~ 110mm,
Side thickness is 1.5 ~ 2.5mm.Nearly collimated light beam of 3rd condenser by the nearly parallel light focusing of multi beam Jing Guo secondary condensation to assemble.
Further, the distance between the first prefocus cup group and second condenser lens are 0 ~ 2mm, second condenser lens and trimerization
The distance between light microscopic is 40 ~ 70mm.
Brief description of the drawings
Fig. 1 is the top view of the utility model closing light condenser system.
Fig. 2 is Fig. 1 A-A sectional views.
Embodiment
The utility model is further elaborated with reference to the accompanying drawings and detailed description.
As illustrated in fig. 1 and 2, a kind of plurality of LEDs lamp bead closing light condenser system for being used to be imaged light fixture includes LED/light source 1, the
One prefocus cup group 2, second condenser lens 3, the 3rd condenser 4 and diaphragm 5.
The substrate 10 of LED/light source 1 including plane and LED light source unit 11 on the substrate 10 is set, LED light source unit is coloured silk
There is gap between color LED lamp bead, color LED lamp bead.
First prefocus cup group 2 is by multiple first prefocus cups 21.The first prefocus cup is correspondingly provided with each color LED lamp bead
21.The distance of first prefocus cup group 2 and color LED lamp bead is 0-3mm, and the specially bottom surface of the first prefocus cup is to color LED lamp
The distance between top surface of pearl is 0-3mm.First prefocus cup group of all first prefocus cup compositions in the same plane.First gathers
A diameter of 10 ~ 25mm of light cup 21, is highly 3 ~ 6mm, and it is 20 ° -30 ° to receive angular.It is provided with the front of the first prefocus cup group
Second condenser lens 3, second condenser lens are spherical mirror, and the bottom surface of second condenser lens is plane, and the top surface of second condenser lens is convex surface,
Its radius of curvature is 150 ~ 250mm, a diameter of 80 ~ 120mm.The 3rd condenser 4 is provided with the front of second condenser lens 3.It is described
3rd condenser is Fei Nieer lens, and its focal length is 150 ~ 250mm, and a diameter of 70 ~ 110mm, side thickness is 1.5 ~ 2.5mm.
The front of three condensers is provided with diaphragm 5.The distance between the top surface of first prefocus cup group and the bottom surface of second condenser lens be 0 ~
The distance between bottom surface of 2mm, second condenser lens top surface and the 3rd condenser is 40 ~ 70mm.
Optically focused effect of nearly 120 ° of the divergent rays that LED light source unit 11 is sent Jing Guo the first prefocus cup group 2, light beam is received
Beam is to 20 ° -30 °, and 3 pair of first prefocus cup group 2 of second condenser lens collects rear light and carry out further optically focused, becomes beam angle
It is smaller, a branch of nearly directional light is formed, the nearly parallel light focusing of multi beam after the optically focused of second condenser lens 3 is convergence by the 3rd condenser 4
Nearly collimated light beam, color blending effect is best behind the 3rd condenser 4 position places diaphragm 5, and the position of diaphragm 5 is best suitable for putting
It is set to as thing, can be achieved clearly to be imaged.The light source of color LED lamp bead is by three uniform degressively optically focused, from LED/light source list
The divergent beams that member sends nearly 120 degree gather 20-30 degree for the first time by the first prefocus cup group 2, pass through second condenser lens 3 second
It is secondary to gather within 10 degree, light is finally received by the 3rd condenser 4, the light beam of LED light source unit is uniformly mixed in the position of diaphragm 5, made
System has extraordinary color blending effect again while optical efficiency is not lost.
The light beam of LED/light source is uniformly mixed in stop position, system is had extraordinary colour mixture.It can accomplish with relatively simple
Camera lens combination by the luminous flux of the divergent rays 80% of single LEDs light source cell be collected as assemble nearly parallel rays, Jin Ershi
The light beam synthesis of existing plurality of LEDs light source cell.LED light source unit can relative distribution arrangement, easy for installation, each LED/light source
Need to only there is a corresponding prefocus cup to carry out optically focused before unit, install and adjustment is easier to control, optical system is big than before
For simplification；Can short distance realize closing light, and closing light is uniform.Optical system is greatly simplified than before.
In summary, in the application of imaging light fixture, the LED light source heat-dissipating of this example is easily processed, and optical system is greatly
Simplify, installation accuracy and processing cost are all substantially reduced；Optical efficiency improves more than 30% than before；It can realize and close in short distance
Light, and closing light is uniform.
Claims (8)
1. a kind of plurality of LEDs lamp bead closing light condenser system for being used to be imaged light fixture, including LED/light source, the first prefocus cup group, second
Condenser and the 3rd condenser；It is characterized in that：LED/light source is made up of the LED light source unit of more than two；Described first gathers
Light cup group includes being correspondingly arranged one first optically focused with LED/light source element number the first prefocus cup of identical, each LED light source unit
Cup, the front organized in the first optically focused is provided with second condenser lens, and the 3rd condenser is provided with the front of second condenser lens.
2. the plurality of LEDs lamp bead closing light condenser system according to claim 1 for being used to be imaged light fixture, it is characterised in that：Institute
The LED light source unit stated is color LED light source unit.
3. the plurality of LEDs lamp bead closing light condenser system according to claim 1 for being used to be imaged light fixture, it is characterised in that：Institute
There is LED light source unit on conplane substrate.
4. the plurality of LEDs lamp bead closing light condenser system according to claim 1 for being used to be imaged light fixture, it is characterised in that：The
A diameter of 10 ~ 25mm of one prefocus cup, is highly 3 ~ 6mm, and it is 20 ° -30 ° to receive angular.
5. the plurality of LEDs lamp bead closing light condenser system according to claim 1 for being used to be imaged light fixture, it is characterised in that：Institute
The first prefocus cup group is constituted by the first prefocus cup is in the same plane.
6. the plurality of LEDs lamp bead closing light condenser system according to claim 1 for being used to be imaged light fixture, it is characterised in that：The
Two condensers are spherical mirror, and the bottom surface of second condenser lens is plane, and the top surface of second condenser lens is convex surface, and its radius of curvature is
150 ~ 250mm, a diameter of 80 ~ 120mm.
7. the plurality of LEDs lamp bead closing light condenser system according to claim 1 for being used to be imaged light fixture, it is characterised in that：Institute
The 3rd condenser is stated for Fei Nieer lens, its focal length is 150 ~ 250mm, and a diameter of 70 ~ 110mm, side thickness is 1.5 ~ 2.5mm.
8. the plurality of LEDs lamp bead closing light condenser system according to claim 1 for being used to be imaged light fixture, it is characterised in that：The
The distance between one prefocus cup group and second condenser lens are 0 ~ 2mm, the distance between second condenser lens and the 3rd condenser for 40 ~
70mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621379917.8U CN206347322U (en) | 2016-12-15 | 2016-12-15 | A kind of plurality of LEDs lamp bead closing light condenser system for being used to be imaged light fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621379917.8U CN206347322U (en) | 2016-12-15 | 2016-12-15 | A kind of plurality of LEDs lamp bead closing light condenser system for being used to be imaged light fixture |
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| CN206347322U true CN206347322U (en) | 2017-07-21 |
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| CN201621379917.8U Active CN206347322U (en) | 2016-12-15 | 2016-12-15 | A kind of plurality of LEDs lamp bead closing light condenser system for being used to be imaged light fixture |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112014069A (en) * | 2019-05-28 | 2020-12-01 | 杭州远方光电信息股份有限公司 | Imaging measuring device |
| CN112782840A (en) * | 2019-11-11 | 2021-05-11 | 诠兴国际电子有限公司 | Optical telescope |
-
2016
- 2016-12-15 CN CN201621379917.8U patent/CN206347322U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112014069A (en) * | 2019-05-28 | 2020-12-01 | 杭州远方光电信息股份有限公司 | Imaging measuring device |
| CN112014069B (en) * | 2019-05-28 | 2023-04-14 | 杭州远方光电信息股份有限公司 | Imaging measuring device |
| CN112782840A (en) * | 2019-11-11 | 2021-05-11 | 诠兴国际电子有限公司 | Optical telescope |
| EP3819694A1 (en) * | 2019-11-11 | 2021-05-12 | Changing International Company Limited | Optical binocular |
| US11054642B2 (en) | 2019-11-11 | 2021-07-06 | Changing International Company Limited | Optical binoculars |
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