CN101726973B - Projector - Google Patents
Projector Download PDFInfo
- Publication number
- CN101726973B CN101726973B CN2008103050172A CN200810305017A CN101726973B CN 101726973 B CN101726973 B CN 101726973B CN 2008103050172 A CN2008103050172 A CN 2008103050172A CN 200810305017 A CN200810305017 A CN 200810305017A CN 101726973 B CN101726973 B CN 101726973B
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- China
- Prior art keywords
- projector
- light
- shell
- source
- top board
- 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.)
- Expired - Fee Related
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- 230000003287 optical effect Effects 0.000 claims abstract description 11
- 238000005286 illumination Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to a projector which comprises a projector shell, an optical engine, a light source structure and a lens unit, wherein the optical engine is contained in the projector shell; the projector shell is provided with a bottom surface; the optical engine comprises a shell, and the optical engine shell is provided with an emergence opening and an incidence opening in the same direction; the lens unit and the light source structure are respectively opposite to the emergence opening and the incidence opening and form a certain height difference relative to the bottom surface; the light source structure is provided with a shell and a plurality of light sources; the light source structure shell comprises a first side plate which is attached to the lens unit and a top plate which is perpendicular to the first side plate; the top plate is parallel to the optical axis direction of the lens unit in the extending direction of the optical engine; and the light sources are fixed on the top plate, and the light-emitting directions of the light sources face to the bottom surface.
Description
Technical field
The present invention relates to a kind of projector.
Background technology
Along with projector's development of technology, the direction that projector's product more and more is tending towards and price reduction little, in light weight, easy to carry to volume develops.And in order to reach the purpose of aforementioned reduced volume and price reduction, the light engine of many small-sized projectors has all been given up traditional bulb, and the light emitting diode module (calling the LED module in the following text) that changes little, the difficult heating of employing volume, long service life is as light source.
In the known technology, the light source operated by rotary motion of projector makes projector's lateral length strengthen on the side of light engine, and the structure of projector is upright inadequately.And owing to utilize the space beyond the side to hold described light source, make and leave too much unnecessary space in the whole projector, thereby can't form cramped construction.
In addition, described light engine needs to come moulding to be used for fixing the groove of described light source by increasing forming slide in forming process, makes the cost of mould increase.
Summary of the invention
Have in view of that, be necessary to provide a kind of projector of compact conformation.
A kind of projector, it comprises a projector shell and is housed in described projector shell interior a light engine, a light-source structure and a lens unit.Described projector shell has a bottom surface.Described light engine comprises a shell, described light engine shell offers a light-emitting window and a light inlet on same direction, described lens unit and light-source structure respectively with described light-emitting window and light inlet over against setting, and it is poor to form the certain altitude of described relatively bottom surface.Described light-source structure has a shell and a plurality of lamps source, described light-source structure shell comprise first side plate that pastes mutually with described lens unit and one with the vertical top board of described first side plate, described top board is parallel with the optical axis direction of described lens unit towards the direction that described light engine extends.Described a plurality of lamps source be fixed on the described top board and its light emission direction towards described bottom surface.
Compared with prior art, in the projector of the present invention, described lamp source is arranged on the top board of described light-source structure shell, thereby has made full use of the difference in height space that described lens unit and described light-source structure shell form, and makes projector's compact overall structure.
Description of drawings
The exploded view of the projector that Fig. 1 provides for embodiment of the present invention;
Fig. 2 is the assembly drawing of the projector of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the present invention being done one specifically introduces.
See also Fig. 1 and Fig. 2, a kind of projector 100 that embodiment of the present invention provides, it comprises a projector shell 200 and is housed in a light engine 10, a lens unit 20 and a light-source structure 30 in the described projector shell 200.The light that described light-source structure 30 sends casts out from described lens unit 20 after being modulated into picture signal by light engine 10.
Described projector shell 200 comprises a bottom surface 201 and a plurality of side 202, and described bottom surface 201 forms a rectangular structure with side 202.
Described light engine 10 comprises a light engine shell 101, described light engine shell 101 offers a light-emitting window 110 and a light inlet 112 on the direction of the same side, described lens unit 20 and light-source structure 30 respectively with described light-emitting window 110 and light inlet 112 over against setting.Described lens unit 20 and almost parallel setting and the applying on the length bearing of trend of projector shell 200 of described light-source structure 30, and described lens unit 20 is poor with the bottom surface 201 formation certain altitudes of described light-source structure 30 relative described projector shell 200.
Described lens unit 20 comprises a lens barrel 21 and a plurality of imaging eyeglass (figure does not show) that is arranged in the described lens barrel 21.In the present embodiment, described lens barrel 21 is a right cylinder.Described lens barrel 21 has one near the bottom of the bottom surface 201 of described projector shell 200 and a top 212 relative with described bottom 210.
Described light-source structure 30 has a light-source structure shell 31 and a plurality of lamps source 32.Described light-source structure shell 31 is communicated with by described light inlet 112 with described light engine shell 101, and the light in described lamp source 32 incides in the described light engine 10 from described light inlet 112.Concrete, described light-source structure shell 31 comprise one with adjoining first side plate 310 of described lens barrel 21 and one with the vertical top board 312 of described first side plate 310, described top board 312 is parallel with the optical axis direction of described lens unit 20 towards the direction that described light engine 10 extends, and simultaneously parallel with the bottom surface 201 of described projector shell 200.In the present embodiment, described light-source structure shell 31 also comprises the base plate relative with described top board 312, and a plurality of second side plates 316 of being connected with top board 312, base plate of a plurality of and described first side plate 310, described top board 312, base plate, first side plate 310 and a plurality of second side plate 316 roughly surround a prism.The plane at described top board 312 places is lower than the plane at 212 places, top of described lens barrel 21, makes to be formed with the difference in height space between the top 212 of described top board 312 and described lens barrel 21.Offer on one second side plate 316 relative with described light inlet 112 one with the measure-alike opening of described light inlet 112, make described light-source structure shell 31 be communicated with described light engine shell 101.Be formed with a host cavity 33 in the described light-source structure shell 31, be aligned in sequence with a plurality of specific wavelength reflecting optics 34 in the described host cavity 33, described specific wavelength reflecting optics 34 can reflect the light of specific wavelength and the light of other wavelength of transmission.
In the present embodiment, described lamp source 32 comprises three LED lamps, and it is respectively red, green, blue led lamp 321,322,323, and it is parallel with the optical axis direction of described lens unit 20 to connect the straight line that each LED lamp forms.Described lamp source 32 is fixed on the top board 312 of described light-source structure shell 31.Offering the illumination of sending in the described lamp of a plurality of through holes 318 confessions source 32 on the described top board 312 is mapped on the described reflecting optics 34.Described lamp source 32 comprises a fixed part 320 and an illuminating part 324, and the shape of the shape of described fixed part 320 and described through hole 318 is roughly the same, and described fixed part 320 is bonded in the edge of described through hole 318.Described illuminating part 324 makes described lamp source 32 form the reversal of the natural order of things structure towards the bottom surface 201 of described projector shell 200.
In the present embodiment, for better heat radiation, described lamp source 32 also can be fixed on the described light-source structure shell 31 by a stator 40.Concrete, the shape of the shape of described stator 40 and described top board 312 is roughly the same, described lamp source 32 fixed parts 320 are fixed on the described stator 40, and described top board 312 is fitted with described stator 40, and described stator 40 is spirally connected with described light-source structure shell 31.Described stator 40 is respectively arranged with one first screw 401 on relative two angles, it is corresponding with described first screw 401 to offer two second screws 402 on the described light-source structure shell 31, be spirally connected by a screw 403 and described first screw 401 and second screw 402, thereby described stator 40 is fixed on the described light-source structure shell 31.Preferably, the plane at described stator 40 places is equal with described top 212.
Described reflecting optics 34 has a certain degree with the emergent light shape in corresponding lamp source 32 respectively, and the light that makes described lamp source 32 emit can reflex to described light inlet 112 by described reflecting optics 34.
In addition, described projector 10 also can comprise a heat abstractor 50, and described heat abstractor 50 is fitted on described top board 312 or the stator 40 by viscose, makes the heat in described lamp source 32 to come out from described heat abstractor 50.In the present embodiment, described stator 40 is made of Heat Conduction Material, and described heat abstractor 50 is a heat radiator.
In the projector 100 of the present invention, described lamp source 32 is arranged on the top board 312 of described light-source structure shell 31, thereby has made full use of described lens unit 20 and the difference in height space that described light-source structure shell 31 forms, and makes projector's 100 compact overall structure.
In addition, those skilled in the art also can do other variation in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (10)
1. projector, it comprises a projector shell and is housed in a light engine, a light-source structure and a lens unit in the described projector shell that described projector shell has a bottom surface; Described light engine comprises a shell, described light engine shell offers a light-emitting window and a light inlet on same direction, described lens unit and light-source structure respectively with described light-emitting window and light inlet over against setting, and it is poor to form the certain altitude of described relatively bottom surface; Described light-source structure has a shell and a plurality of lamps source, described light-source structure shell comprise first side plate that pastes mutually with described lens unit and one with the vertical top board of described first side plate, described top board is parallel with the optical axis direction of described lens unit towards the direction that described light engine extends; It is characterized in that, described a plurality of lamps source be fixed on the described top board and its light emission direction towards described bottom surface.
2. projector as claimed in claim 1 is characterized in that described projector shell also comprises a plurality of sides, and described bottom surface and side form a rectangular structure.
3. projector as claimed in claim 1 is characterized in that described lens unit comprises a lens barrel, and described lens barrel and described light-source structure almost parallel are provided with.
4. projector as claimed in claim 1 is characterized in that, described lamp source comprises three LED lamps, and it is respectively red, green, blue led lamp.
5. projector as claimed in claim 4 is characterized in that, the line between described three LED lamps is parallel with the optical axis direction of described lens unit.
6. projector as claimed in claim 1, it is characterized in that, be formed with a host cavity in the described light-source structure shell, be aligned in sequence with a plurality of specific wavelength reflecting optics in the described host cavity, the light emission direction in described lamp source is simultaneously towards described specific wavelength reflecting optics.
7. projector as claimed in claim 6, it is characterized in that, offer the illumination of sending in the described lamp of a plurality of through holes confessions source on the described top board and be mapped on the described reflecting optics, described lamp source comprises a fixed part and an illuminating part, and described fixed part is bonded in the edge of described through hole.
8. projector as claimed in claim 1 is characterized in that, described lamp source is fixed on the described top board by a stator, and on described light-source structure shell, and fit by described stator and described top board by a plurality of screw retention for described stator.
9. projector as claimed in claim 8 is characterized in that described stator is made of Heat Conduction Material, and its shape and described top board are roughly the same.
10. projector as claimed in claim 8 is characterized in that described projector comprises a heat abstractor, and described heat abstractor is fitted on described top board or the stator, makes the heat in described lamp source to come out from described heat abstractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103050172A CN101726973B (en) | 2008-10-20 | 2008-10-20 | Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103050172A CN101726973B (en) | 2008-10-20 | 2008-10-20 | Projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101726973A CN101726973A (en) | 2010-06-09 |
| CN101726973B true CN101726973B (en) | 2011-06-22 |
Family
ID=42448033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008103050172A Expired - Fee Related CN101726973B (en) | 2008-10-20 | 2008-10-20 | Projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101726973B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713376B (en) * | 2012-09-28 | 2017-05-24 | 中强光电股份有限公司 | Projection lens and optical engine |
| CN104834167A (en) * | 2015-05-12 | 2015-08-12 | 苏州佳世达光电有限公司 | Projection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1677227A (en) * | 2004-03-30 | 2005-10-05 | 三洋电机株式会社 | Illuminating device, and projection type video display |
| CN1831637A (en) * | 2005-03-08 | 2006-09-13 | 三星电子株式会社 | Cooling apparatus and a projector having the same |
| CN101052915A (en) * | 2004-10-29 | 2007-10-10 | 夏普株式会社 | Optical integrator, illuminator and projection image display |
| CN100353255C (en) * | 2002-12-26 | 2007-12-05 | 杨继永 | High-brightness liquid-crystal projecting systems |
| CN101140412A (en) * | 2006-09-04 | 2008-03-12 | 三星Techwin株式会社 | Microprojector |
-
2008
- 2008-10-20 CN CN2008103050172A patent/CN101726973B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100353255C (en) * | 2002-12-26 | 2007-12-05 | 杨继永 | High-brightness liquid-crystal projecting systems |
| CN1677227A (en) * | 2004-03-30 | 2005-10-05 | 三洋电机株式会社 | Illuminating device, and projection type video display |
| CN101052915A (en) * | 2004-10-29 | 2007-10-10 | 夏普株式会社 | Optical integrator, illuminator and projection image display |
| CN1831637A (en) * | 2005-03-08 | 2006-09-13 | 三星电子株式会社 | Cooling apparatus and a projector having the same |
| CN101140412A (en) * | 2006-09-04 | 2008-03-12 | 三星Techwin株式会社 | Microprojector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101726973A (en) | 2010-06-09 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20141020 |
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| EXPY | Termination of patent right or utility model |