CN106125474A - A kind of LED light engine for rear projection concatenation unit - Google Patents
A kind of LED light engine for rear projection concatenation unit Download PDFInfo
- Publication number
- CN106125474A CN106125474A CN201610789212.1A CN201610789212A CN106125474A CN 106125474 A CN106125474 A CN 106125474A CN 201610789212 A CN201610789212 A CN 201610789212A CN 106125474 A CN106125474 A CN 106125474A
- Authority
- CN
- China
- Prior art keywords
- light source
- dmd
- source module
- concatenation unit
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/142—Adjusting of projection optics
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a kind of LED light engine for rear projection concatenation unit and include shell, described shell is provided with camera lens module, described enclosure is provided with DMD and drives plate, dmd chip, optical channel and light source module, described dmd chip drives plate and camera lens module to be connected with DMD respectively, described light source module is connected with dmd chip by optical channel, heat abstractor is installed on described light source module, described dmd chip is provided with DMD radiator.The present invention by installing DMD radiator additional to dmd chip, and light source module has also been installed additional heat abstractor, it is thus possible to effectively meet cooling requirements, is greatly improved the reliability of cooling system, effectively extends the service life of light engine.And the present invention is by using, to camera lens module, structure of turning back, it is thus possible to reduce projection distance, adds macro lens outgoing subtended angle, thus effectively reduces the framework thickness of complete machine, reduces the volume of complete machine.The composite can be widely applied in concatenation unit product.
Description
Technical field
The present invention relates to light engine technical field, particularly relate to a kind of LED light for rear projection concatenation unit
Learn engine.
Background technology
The light engine that at present universal DLP concatenation unit uses be direct-injection type camera lens and projection ratio at more than 0.6:1, make
The thickness of back projection splicing unit 60 is at more than 700mm, but also needs the maintenance space of reserved more than 500mm to 700mm,
Entirety takies the space of more than 1200mm.
But existing DLP concatenation unit generally there are following shortcoming: is one, that tank thickness is big, high to erecting bed environmental requirement,
Therefore, under the environment such as a lot of space-constrained meeting rooms and small-sized command post, it is impossible to select DLP rear-projection, market share is restricted
The lifting of rate.Two is that radiating effect is the poorest.Three is that physical resolution is low, and general resolution all only has 1024*768 or 1400*
1050, but also the image scaled of simply 4:3, but command scheduling, safety monitoring, video conference now etc., be high
The resolution of clear 1920*1080, the scialyscope of 4:3 originally can not meet the development of signal source.
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide one and can reduce volume, and radiating effect is preferable
A kind of LED light engine for rear projection concatenation unit.
The technical solution used in the present invention is:
A kind of LED light engine for rear projection concatenation unit, including shell, described shell is provided with camera lens module,
Described enclosure is provided with DMD and drives plate, dmd chip, optical channel and light source module, and described dmd chip drives plate with DMD respectively
Being connected with camera lens module, described light source module is connected with dmd chip by optical channel, and described light source module is provided with heat radiation
Device, described dmd chip is provided with DMD radiator, and described shell is provided with air inlet in the side near dmd chip, described
Shell is provided with air outlet in the side near light source module.
As a further improvement on the present invention, described camera lens module uses structure of turning back, and it is specifically by for from dmd chip
Accessing the focusing group of incident illumination, reflection group and the front group for outgoing projection to constitute, described reflection is mounted on the light of focusing group
The point of intersection of the optical axis of axle and front group.
As a further improvement on the present invention, described focusing group along optical axis from incident direction successively by balsaming lens, the most saturating
Mirror, balsaming lens, balsaming lens, plus lens and balsaming lens composition, described reflection group is reflecting mirror, and described front group is along optical axis
It is made up of plus lens, minus lens and aspherical mirror successively from exit direction.
As a further improvement on the present invention, described air outlet is provided with radiator fan.
As a further improvement on the present invention, described light source module includes blue-light source module, red light source module and green
Color light source module.
As a further improvement on the present invention, described heat abstractor includes heat pipe and radiating fin.
The invention has the beneficial effects as follows:
A kind of LED light engine for rear projection concatenation unit of the present invention by dmd chip being installed additional DMD radiator,
And light source module has also been installed additional heat abstractor, it is thus possible to effectively meet cooling requirements, it is greatly improved the reliability of cooling system,
Effectively extend the service life of light engine.And the present invention is by using, to camera lens module, structure of turning back, and throws it is thus possible to reduce
Penetrate distance, add macro lens outgoing subtended angle, thus effectively reduce the framework thickness of complete machine, reduce the volume of complete machine.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further:
Fig. 1 is the structural representation of a kind of LED light engine for rear projection concatenation unit of the present invention；
Fig. 2 is the internal structure schematic diagram of a kind of LED light engine for rear projection concatenation unit of the present invention；
Fig. 3 is the schematic appearance of a kind of LED light engine for rear projection concatenation unit of the present invention；
Fig. 4 is a kind of structural representation of optics module in the LED light engine of rear projection concatenation unit of the present invention.
Detailed description of the invention
Reference Fig. 1～Fig. 4, a kind of LED light engine for rear projection concatenation unit of the present invention, including shell 1,
Described shell 1 is provided with camera lens module 2, and the internal DMD that is provided with of described shell 1 drives plate 3, dmd chip 4, optical channel 5 and light source die
Group 6, described dmd chip 4 drives plate 3 and camera lens module 2 to be connected with DMD respectively, described light source module 6 by optical channel 5 with
Dmd chip 4 connects, and described light source module 6 is provided with heat abstractor 7, described dmd chip 4 is provided with DMD radiator 8, institute
Stating shell 1 and be provided with air inlet 11 in the side near dmd chip 4, described shell 1 is provided with out in the side near light source module 6
Air port 12.
Being further used as preferred embodiment, described camera lens module 2 uses structure of turning back, and it is specifically by for from DMD
Chip 4 accesses the focusing group 21 of incident illumination, reflection group 22 and the front group 23 for outgoing projection and constitutes, and described reflection group 22 sets
The point of intersection of optical axis in optical axis and the front group 23 of focusing group 21.
Be further used as preferred embodiment, described focusing group 21 along optical axis from incident direction successively by balsaming lens
201, plus lens 202, balsaming lens 203, balsaming lens 204, plus lens 205 and balsaming lens 206 form, described reflection group 22
For reflecting mirror 207, described front group 23 along optical axis from exit direction successively by plus lens 208, minus lens 209 and aspherical mirror
210 compositions.
Being further used as preferred embodiment, described air outlet 12 is provided with radiator fan 13.
Be further used as preferred embodiment, described light source module 6 include blue-light source module, red light source module and
Green light source module.
Being further used as preferred embodiment, described heat abstractor 7 includes heat pipe and radiating fin, passes through radiation air
Radiating fin volume, the shape of light source module 6 are calculated by fan 13, it is ensured that light source module 6(R G B) the specification that meets want
Ask, R ＜ 125 DEG C, G ＜ 150 DEG C, B ＜ 150 DEG C.The most also the temperature requirement of dmd chip 4 is ensured.
In the embodiment of the present invention, the optical parametric that described camera lens module 2 uses is: F#:1.9, focal length: 7.4mm, afterwards Jiao
According to: 30.7093mm, field of view edge loss ＜ 30%, projection ratio: 0.428:1.Therefore the performance of camera lens determines the thickness of concatenation unit
Degree size can be controlled in below 460mm.
In the present embodiment, camera lens module 2 forms as follows:
Balsaming lens 201 radius R1=85.73mm, thickness D=6.5mm airspace, R2=32.36mm, R3=51.6mm center d=
0.7mm；
Plus lens 202 radius R1=66.25mm, R2=54.44mm, thickness D=8.3mm airspace, center d=1mm；
Balsaming lens 203 radius R1=41.7mm, thickness D=6mm airspace, R2=50mm, R3=46.6mm center d=4.1mm；
Balsaming lens 204 radius R1=97.1mm, thickness D=10.2mm airspace, R2=28.7mm, R3=46.87mm center d=
34.3mm；
Plus lens 205 radius R1=124.19mm, R2=20.6mm, thickness D=7.8mm airspace, center d=34.3mm；
Balsaming lens 206 radius R1=34.66mm, thickness D=8mm airspace, R2=67.5mm, R3=59mm center d=62mm；
Reflecting mirror 207 thickness D=8mm. angle 125 °；
Plus lens 208 radius R1=37mm, R2=25.32mm, thickness D=8.2mm airspace, center d=17.6mm；
Minus lens 209 radius R1=28.63mm, R2=62.47mm, thickness D=8mm airspace, center d=16.7mm；
Aspherical mirror 210 R1=ASP C=1/52.149K=1.0015 R2=1/35.934 K=-0.4859 center thickness D=6.9mm.
In the present embodiment, light engine is collected folk songs cold heat radiation, first from air inlet 11 air intake, through dmd chip 4, this
Element is by back of the body patch DMD radiator 8(68mm*54mm*17mm), make temperature control below 50 °, DMD radiator 8 temperature controls
Below 40 degree, meet the specification requirement less than 65 degree of dmd chip 4 test point.Cooling requirements distinguished and admirable arrival light source module 6, blue
Tooth light source module and red light source module use the heat pipe of φ 8mm, volume to be 82mm*68mm*59mm radiating fin.Green light
Using the heat pipe of φ 8mm, volume at source module is 140mm*66mm*57mm radiating fin, has been provided with two at air outlet 12
Axial cooling fan 13, to air outlet 12 convulsion, by radiating fin, makes the knot of the redness of light source module 6, green, blue-light source
Temperature control, below 100 °, meets the cooling requirements R ＜ 125 DEG C of light source, G ＜ 150 DEG C, B ＜ 150 DEG C.
It is above the preferably enforcement of the present invention is illustrated, but the invention is not limited to described enforcement
Example, those of ordinary skill in the art also can make all equivalent variations on the premise of spirit of the present invention or replace
Changing, deformation or the replacement of these equivalents are all contained in the application claim limited range.
Claims (6)
1. the LED light engine for rear projection concatenation unit, it is characterised in that: include shell, on described shell
Being provided with camera lens module, described enclosure is provided with DMD and drives plate, dmd chip, optical channel and light source module, and described dmd chip divides
Not driving plate and camera lens module to be connected with DMD, described light source module is connected with dmd chip by optical channel, described light source die
Being provided with heat abstractor in group, described dmd chip is provided with DMD radiator, described shell sets in the side near dmd chip
Having air inlet, described shell is provided with air outlet in the side near light source module.
A kind of LED light engine for rear projection concatenation unit the most according to claim 1, it is characterised in that:
Described camera lens module uses structure of turning back, and it is specifically by for accessing the focusing group of incident illumination, reflection group from dmd chip and being used for
The front group of outgoing projection is constituted, and described reflection is mounted on the point of intersection of the optical axis of focusing group and the optical axis of front group.
A kind of LED light engine for rear projection concatenation unit the most according to claim 2, it is characterised in that:
Described focusing group along optical axis from incident direction successively by balsaming lens, plus lens, balsaming lens, balsaming lens, plus lens and glue
Conjunction lens form, and described reflection group is reflecting mirror, described front group along optical axis from exit direction successively by plus lens, minus lens and
Aspherical mirror forms.
A kind of LED light engine for rear projection concatenation unit the most according to claim 1, it is characterised in that:
Described air outlet is provided with radiator fan.
A kind of LED light engine for rear projection concatenation unit the most according to claim 1, it is characterised in that:
Described light source module includes blue-light source module, red light source module and green light source module.
A kind of LED light engine for rear projection concatenation unit the most according to claim 1, it is characterised in that:
Described heat abstractor includes heat pipe and radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789212.1A CN106125474B (en) | 2016-08-31 | 2016-08-31 | A kind of LED light engine for rear projection concatenation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789212.1A CN106125474B (en) | 2016-08-31 | 2016-08-31 | A kind of LED light engine for rear projection concatenation unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106125474A true CN106125474A (en) | 2016-11-16 |
| CN106125474B CN106125474B (en) | 2018-10-23 |
Family
ID=57273522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610789212.1A Active CN106125474B (en) | 2016-08-31 | 2016-08-31 | A kind of LED light engine for rear projection concatenation unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN106125474B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108811475A (en) * | 2018-09-07 | 2018-11-13 | 埃视森智能科技(上海)有限公司 | The heat radiation air-deflecting device of raster pattern 3D vision positioning systems |
| CN111856855A (en) * | 2019-04-29 | 2020-10-30 | 中强光电股份有限公司 | Optical machine module and projector |
| US20230015029A1 (en) * | 2021-07-19 | 2023-01-19 | Coretronic Corporation | Projector and light source module thereof |
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| JP2003186110A (en) * | 2001-12-21 | 2003-07-03 | Nec Viewtechnology Ltd | Led illumination dmd projector and optical system therefor |
| CN1904720A (en) * | 2005-07-26 | 2007-01-31 | 三星电子株式会社 | Image projecting apparatus |
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| CN202995234U (en) * | 2012-10-15 | 2013-06-12 | 芜湖雅图数字视频技术有限公司 | Irradiation position adjustable projector |
| CN103838067A (en) * | 2012-11-26 | 2014-06-04 | 鸿富锦精密工业（深圳）有限公司 | Projector cooling device |
| CN204009207U (en) * | 2014-04-13 | 2014-12-10 | 浙江舜宇光学有限公司 | 3D interactive projection camera lens |
| CN206057779U (en) * | 2016-08-31 | 2017-03-29 | 广州市赛普电子科技有限公司 | A kind of LED light engine for rear projection concatenation unit |
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| JP2003186110A (en) * | 2001-12-21 | 2003-07-03 | Nec Viewtechnology Ltd | Led illumination dmd projector and optical system therefor |
| CN1904720A (en) * | 2005-07-26 | 2007-01-31 | 三星电子株式会社 | Image projecting apparatus |
| CN101131531A (en) * | 2006-08-22 | 2008-02-27 | 普立尔科技股份有限公司 | Projector with laser LED as its light source and light source device thereof |
| JP2009151137A (en) * | 2007-12-21 | 2009-07-09 | Seiko Epson Corp | Projector |
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| CN103838067A (en) * | 2012-11-26 | 2014-06-04 | 鸿富锦精密工业（深圳）有限公司 | Projector cooling device |
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| CN206057779U (en) * | 2016-08-31 | 2017-03-29 | 广州市赛普电子科技有限公司 | A kind of LED light engine for rear projection concatenation unit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108811475A (en) * | 2018-09-07 | 2018-11-13 | 埃视森智能科技(上海)有限公司 | The heat radiation air-deflecting device of raster pattern 3D vision positioning systems |
| CN108811475B (en) * | 2018-09-07 | 2024-04-16 | 埃视森智能科技(上海)有限公司 | Heat dissipation air ducting of grating type 3D vision positioning system |
| CN111856855A (en) * | 2019-04-29 | 2020-10-30 | 中强光电股份有限公司 | Optical machine module and projector |
| US11169434B2 (en) | 2019-04-29 | 2021-11-09 | Coretronic Corporation | Optical engine module and projector |
| US20230015029A1 (en) * | 2021-07-19 | 2023-01-19 | Coretronic Corporation | Projector and light source module thereof |
| US11640105B2 (en) * | 2021-07-19 | 2023-05-02 | Coretronic Corporation | Projector and light source module thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106125474B (en) | 2018-10-23 |
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