CN2678282Y - Digital optical display rear-projector with trimming structure - Google Patents
Digital optical display rear-projector with trimming structure Download PDFInfo
- Publication number
- CN2678282Y CN2678282Y CN 200320104440 CN200320104440U CN2678282Y CN 2678282 Y CN2678282 Y CN 2678282Y CN 200320104440 CN200320104440 CN 200320104440 CN 200320104440 U CN200320104440 U CN 200320104440U CN 2678282 Y CN2678282 Y CN 2678282Y
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- plane
- projector
- small reflector
- optical display
- digital optical
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Abstract
The utility model relates to a digital optical display rear-projector, in particular to providing a digital optical display rear-projector with the trimming structure, composed of a screen, an optical engine, a small reflecting mirror which is used to reflect the light beam emitted by the optical engine to the screen for imaging. The small reflecting mirror is fixed on a dead plate which can do appropriate bit shift or appropriate angle deflection along the direction perpendicular to the direction of the plane of the small reflecting mirror. A plurality of devices which are used to fix the dead plate on the bevel face of the are ejected on the dead plate toward the negative direction of the mirror of the small reflecting mirror; the bevel face of the support bracket is provided with at least three holes which are provided uniformly. The adjusting screws are screwed in the holes, and the ends of the adjusting screws are clung to the back of the small reflecting mirror. The utility model can make the reflecting direction of the small reflecting mirror match the making error of the optical engine to correct the imaging deviation through adjusting the trimming structure.
Description
[technical field]
The utility model relates to a kind of digital optical display rear-projector, relates in particular to the digital optical display rear-projector with fine tuning structure.
[background technology]
Digital optical display rear-projectors' such as LCD, DLP, LCOS basic structure is by the lamp optical system with the beam direction liquid crystal light valve of light emitted, with will amplify because of the light beam that liquid crystal light valve form pictorial information, by the reflection of speculum, the projection optical system that projects on the screen is formed again.Its displaying principle is that the light beam with light emitted projects on the screen behind two secondary reflections of two speculums.In actual production process, because there is foozle in light engine (being commonly called as ray machine), cause projecting light path that deviation is arranged, thereby cause throwing on the image space of screen and the angle deviation is arranged.Therefore, need carry out distance and angle is finely tuned the projection requirement that just can reach required to projecting light path.
[summary of the invention]
The purpose of this utility model solves projection defective devious in the prior art exactly, a kind of digital optical display rear-projector with fine tuning structure with fine tuning structure is provided, regulate small reflector by fine tuning structure, make small reflector and exist the light engine of foozle to be complementary, with the correcting imaging deviation.
For achieving the above object, the utility model proposes a kind of digital optical display rear-projector with fine tuning structure, comprise screen 13, light engine 12 and be used for that described small reflector 1 is fixed on can be along doing suitable displacement perpendicular to the direction on small reflector 1 plane or doing on the fixed head 2 of suitable angular deflection with the small reflector 1 of light engine 12 emitted light beams catoptric imagings on screen 13.
Further, described fixed head 2 penetrates one group to the opposite direction of the minute surface of small reflector 1 and is used for fixed head 2 is fixed on device on the support inclined-plane 4, at least have three holes that are evenly distributed on the described support inclined-plane 4, be rotary with set screw 5 in the hole, the back side of small reflector 1 is close in the end of described set screw 5.
The described device that fixed head 2 is fixed on the support inclined-plane 4 can be a bolt 7 that is positioned at the centre of fixed head 2, and described bolt 7 is fixed on the support inclined-plane 4 by nut 6 by corresponding hole on the support inclined-plane 4.
The described device that fixed head 2 is fixed on the support inclined-plane 4 is the one or more pillar 9 that has screw, and the described pillar 9 that has screw is with spring 10 outward, and is locked on the support inclined-plane 4 by screw 8 by corresponding hole on the support inclined-plane 4.
Preferable scheme is that the described device that fixed head 2 is fixed on the support inclined-plane 4 is a bolt and the one or more pillar that has screw that is positioned at the centre of fixed head 2.
Cause adjustment movement not steady in order to overcome the out-of-flatness of normal screws end, the end of described set screw 5 is the round end shape or is rotary with Ball faced nut 3.The quantity of set screw 5 can be three or four.
The beneficial effects of the utility model are: the utility model passes through rotary screw, make fixed head drive small reflector along doing suitable displacement or do suitable angular deflection perpendicular to the direction on small reflector plane, so that the manufacture deviation of the reflection direction of small reflector and light engine is complementary, deviation when correcting image projects to screen, the utility model is also set up especially and is used for fixed head is fixed on device on the support inclined-plane, make when the distance and the angle that regulate small reflector by rotary screw, can be more stable small reflector be fixed on the support guarantees the stable of image.
Feature of the present utility model and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 represents the schematic diagram of digital optical display rear-projector's secondary reflection light path;
Fig. 2 represents small reflector structure chart of the present utility model;
Fig. 3 represents the stereogram of small reflector fine tuning structure of the present utility model;
Fig. 4 represents the stereogram of small reflector of the present utility model.
[embodiment]
In the digital optical display rear-projector, the imaging of general employing secondary reflection formula, the schematic diagram that has shown secondary reflection formula digital optical display rear-projector light path as Fig. 1, image light source penetrates from light engine 12, reflection through small reflector 1, changed the projecting direction of light, projected large reflective mirror 11, projected on the screen 13 at last and show.Large reflective mirror 11 is fixed on small reflector 1 opposite, is used for the light beam of secondary reflection small reflector 1.
Fig. 2 is the most preferred embodiment structure chart of the fine tuning structure of small reflector, small reflector 1 is fixed on the small reflector fixed head 2, fixed head 2 is to make with the better rigidity metal, respectively open a screw for four jiaos on small reflector support 4 inclined-planes, screw in set screw 5, adorn a Ball faced nut 3 in the end of every set screw, hold out against small reflector fixed head 2.The small reflector fixed head penetrates the pillar 9 of one group of band screw, the pillar 9 of one group of band screw of small reflector fixed head passes the corresponding hole on small reflector support 4 inclined-planes, make the pillar 9 of being with screw protrude into the back side on small reflector support 4 inclined-planes, then with screw lock pad 8 and spring 10, spring 10 is enclosed within on the pillar 9 of band screw, with 2 tensions of small reflector fixed head, like this, draw a top by one, thereby little reflection and small reflector fixed head 2 are fixed on small reflector support 4 inclined-planes.Simultaneously, a bolt 7 is penetrated to the direction of small reflector support 4 in the centre of fixed head 2, and described bolt 7 is fixed on the support inclined-plane 4 by nut 6 by corresponding hole on the support inclined-plane 4.Like this, when small reflector need move a certain distance forward or backward, as long as four set screw 5 of rotation can realize, when small reflector need turn an angle, as long as two or three adjacent set screw 5 of rotation are revolved another unsettled screw to cause again and pushed up small reflector fixed head 2, can realize, after light path is adjusted to correctly, wing nut 6 is screwed on the bolts 7, up to small reflector fixed head 2 and 4 lockings of small reflector support are caused and can not rock.Promptly fixed the position of small reflector.
The pillar 9 that a bolt 7 and small reflector fixed head penetrate one group of band screw is penetrated to the direction of small reflector support 4 in the centre of fixed head 2, can independent a kind of scheme fix the small reflector fixed head, also can two kinds of schemes combining fixes the small reflector fixed head.
All right screw more than three or four is evenly distributed on small reflector support 4 inclined-planes on small reflector support 4 inclined-planes, screws in set screw 5 and is close to the small reflector fixed head.
The end that set screw 5 is close to the small reflector fixed head can also be itself make sphaerocepharous.
The pillar 9 of one group of band screw that the small reflector fixed head penetrates can be equally distributed more than 3 or 3.
By regulating fine tuning structure of the present utility model, the foozle that can overcome because of light engine causes the imaging deviation, and the result is simple, and cost is low easy to operate.
Claims (8)
1. digital optical display rear-projector with fine tuning structure, comprise screen (13), light engine (12) and be used for the small reflector (1) of light engine (12) emitted light beams catoptric imaging on screen (13) be is characterized in that: described small reflector (1) is fixed on can be along doing suitable displacement perpendicular to the direction on small reflector (1) plane or doing on the fixed head (2) of suitable angular deflection.
2. the digital optical display rear-projector with fine tuning structure as claimed in claim 1, it is characterized in that: described fixed head (2) penetrates one group to the opposite direction of the minute surface of small reflector (1) and is used for fixed head (2) is fixed on device on the support inclined-plane (4), at least have three holes that are evenly distributed on the described support inclined-plane (4), be rotary with set screw (5) in the hole, the back side of small reflector (1) is close in the end of described set screw (5).
3. the digital optical display rear-projector with fine tuning structure as claimed in claim 2, it is characterized in that: the described device that fixed head (2) is fixed on the support inclined-plane (4) is a bolt (7) that is positioned at the centre of fixed head (2), and described bolt (7) is gone up corresponding hole by support inclined-plane (4) and is fixed on the support inclined-plane (4) by nut (6).
4. the digital optical display rear-projector with fine tuning structure as claimed in claim 2, it is characterized in that: the described device that fixed head (2) is fixed on the support inclined-plane (4) is the one or more pillar (9) that has screw, the described pillar (9) that has screw is with spring (10) outward, and upward is locked on the support inclined-plane (4) by screw (8) in corresponding hole by support inclined-plane (4).
5. the digital optical display rear-projector with fine tuning structure as claimed in claim 2 is characterized in that: the end of described set screw (5) is the round end shape or is rotary with Ball faced nut (3).
6. the digital optical display rear-projector with fine tuning structure as claimed in claim 2 is characterized in that: described set screw (5) is four, goes up four jiaos of the back side that corresponding bore ends is close to small reflector (1) by support inclined-plane (4).
7. the digital optical display rear-projector with fine tuning structure as claimed in claim 4 is characterized in that: the described pillar (9) that has screw is four, is evenly distributed on the fixed head (2).
8. as each described digital optical display rear-projector in the claim 1 to 7, it is characterized in that: also comprise the large reflective mirror (11) that is fixed on small reflector (1) opposite, is used for secondary reflection small reflector (1) light beam with fine tuning structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320104440 CN2678282Y (en) | 2003-12-13 | 2003-12-13 | Digital optical display rear-projector with trimming structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320104440 CN2678282Y (en) | 2003-12-13 | 2003-12-13 | Digital optical display rear-projector with trimming structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2678282Y true CN2678282Y (en) | 2005-02-09 |
Family
ID=34580673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320104440 Expired - Fee Related CN2678282Y (en) | 2003-12-13 | 2003-12-13 | Digital optical display rear-projector with trimming structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2678282Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871551B (en) * | 2009-04-21 | 2012-06-27 | 建碁股份有限公司 | Display rack device |
| CN102540684A (en) * | 2011-11-11 | 2012-07-04 | 浙江海盛科技股份有限公司 | Display device |
| CN103091815A (en) * | 2013-01-07 | 2013-05-08 | 四川大学 | Michelson interferometer stationary mirror friction wheel safety adjusting screw |
| CN116909079A (en) * | 2023-09-14 | 2023-10-20 | 华域视觉科技(上海)有限公司 | Vehicle projection module, vehicle and control method of vehicle projection module |
| CN101387731B (en) * | 2008-10-22 | 2024-03-15 | 中国科学院长春光学精密机械与物理研究所 | Mirror inclination fine tuning mechanism |
-
2003
- 2003-12-13 CN CN 200320104440 patent/CN2678282Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387731B (en) * | 2008-10-22 | 2024-03-15 | 中国科学院长春光学精密机械与物理研究所 | Mirror inclination fine tuning mechanism |
| CN101871551B (en) * | 2009-04-21 | 2012-06-27 | 建碁股份有限公司 | Display rack device |
| CN102540684A (en) * | 2011-11-11 | 2012-07-04 | 浙江海盛科技股份有限公司 | Display device |
| CN102540684B (en) * | 2011-11-11 | 2014-12-03 | 张亦彬 | Display device |
| CN103091815A (en) * | 2013-01-07 | 2013-05-08 | 四川大学 | Michelson interferometer stationary mirror friction wheel safety adjusting screw |
| CN116909079A (en) * | 2023-09-14 | 2023-10-20 | 华域视觉科技(上海)有限公司 | Vehicle projection module, vehicle and control method of vehicle projection module |
| CN116909079B (en) * | 2023-09-14 | 2023-12-05 | 华域视觉科技(上海)有限公司 | Vehicle projection module, vehicle and control method of vehicle projection module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050209 Termination date: 20100113 |