CN109634035B - DLP spliced screen optical engine projection six-axis adjusting device and adjusting method thereof - Google Patents
DLP spliced screen optical engine projection six-axis adjusting device and adjusting method thereof Download PDFInfo
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- CN109634035B CN109634035B CN201910131754.3A CN201910131754A CN109634035B CN 109634035 B CN109634035 B CN 109634035B CN 201910131754 A CN201910131754 A CN 201910131754A CN 109634035 B CN109634035 B CN 109634035B
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- projection
- optical engine
- reflector
- screen
- projection screen
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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
- G03B21/142—Adjusting of projection optics
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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
- G03B21/28—Reflectors in projection beam
Abstract
The invention discloses a DLP spliced screen optical engine projection six-axis adjusting device which comprises a box body, wherein a projection screen is installed in the box body through an installation mechanism, a reflector and an optical engine are fixed in the box body, the output end of the optical engine is arranged towards the reflector, a light refraction point C is arranged on the reflector, the light refraction points C are all positioned on the central line of the projection screen, and the lens central point of the optical engine and the light refraction point C are positioned on the same straight line. Has the advantages that: according to the invention, the optical engine is installed through the projection focal length, the vertical distance B between the optical engine and the reflector is determined through the CAD typesetting software, the projection on the projection screen is ensured to be basically full screen after the reflector is fixed, the position of the built-in image is adjusted through the remote controller, the full screen is ensured, the adjustment by adopting a six-axis adjusting platform for moving is avoided, and a large amount of adjusting labor and time are saved.
Description
Technical Field
The invention relates to the technical field of DLP (digital light processing) spliced screen projection, in particular to a six-axis adjustment device and an adjustment method for DLP spliced screen optical engine projection.
Background
DLP concatenation screen is through optical engine projection realization formation of image on the dedicated projection screen, and make the image that throws show just show on the screen with the whole proportion size that the size of projection screen is the same, very high requirement has been proposed to the accuracy of the position of projector itself, in order to reach this requirement, the device that all adopts six axis adjustment platform on the market generally, install optical engine on this platform, this kind of six axis adjustment platform can remove in the front and back, remove about, reciprocate, X rotation of axes, Y rotation of axes, adjust in six directions of Z rotation of axes, make the location large screen that optical engine can be accurate.
Mainly be a plurality of screws through the six-axis adjustment platform of manual regulation in the existing market, also have the adjustment that realizes the position of platform through each screw of motor difference regulation, because the central point of the adjustment of six-axis adjustment platform and the central point of the projection light of projector are inconsistent, X, Y, the rotation of Z axle can change the left and right sides of platform, front and back, relative position from top to bottom, consequently, these two kinds of methods have an obvious shortcoming, it is very long exactly consuming time, need adjust repeatedly, waste time and energy, especially manual adjustment accuracy still lacks yet, single operation is inconvenient simultaneously, need to observe the screen postadjustment before the screen. There is also a subsequent maintenance of the means for six-axis adjustment of the platform.
The invention aims to solve the problems of long adjusting time, complexity and the like of the existing six-axis adjusting platform adjusting mode.
Disclosure of Invention
The invention aims to solve the problems in the background art, and provides a DLP spliced screen optical engine projection six-axis adjusting device and an adjusting method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: DLP splices screen optical engine and throws six adjusting device, including the box, install the projection screen through installation mechanism in the box, the inside of box is fixed with speculum and optical engine, optical engine's output sets up towards the speculum, be equipped with light refraction point C on the speculum, and light refraction point C all is located the central line of projection screen, optical engine's camera lens central point and light break point C are located same straight line, the straight-line distance between optical engine's camera lens and the box front side wall is A, the straight-line distance between light break point C and the projection screen is A too, the vertical distance between optical engine and the speculum is B;
the mounting mechanism comprises two fixing plates which are arranged in parallel, two clamping plates are rotatably connected to the side walls of the opposite sides of the two fixing plates, and a clamping spring is fixedly connected between each clamping plate and the fixing plate;
each fixing plate is provided with a U-shaped plate in a penetrating mode, two protruding ends of each U-shaped plate are in contact with one side, close to the fixing plate, of each clamping plate, a nut is arranged on each U-shaped plate in a penetrating mode, and the nut is in threaded connection with the fixing plate;
one end of each clamping plate, which is far away from the fixed plate, is arranged in an arc shape;
an included angle D is arranged between the reflector and the horizontal line and is 45.
The adjusting method of the DLP spliced screen optical engine projection six-axis adjusting device comprises the following steps:
1) mounting a projection screen: mounting the projection screen through a mounting mechanism;
2) determining a projection focal length: according to the projection ratio formula: the projection ratio is equal to the projection focal length (A)/the long side of the projection screen;
namely: obtaining a projection focal length (A) which is a projection ratio of a long side of the projection screen;
3) installing an optical engine: mounting and fixing the optical engine according to the projection focal length (A) obtained in the step 2);
4) determining the B value: determining a vertical distance B between the optical engine and the reflector through CAD typesetting software to ensure that the projection screen is basically full after the reflector is fixed;
5) installing a reflector: mounting and fixing the reflector according to the value B in the step 4);
6) the optical engine is connected with: the optical engine is connected with a control box with a digital rectangular adjusting module through a CAT-5 network cable;
7) image adjustment: and the image is adjusted through a remote controller of the manual adjustment control box, so that full-screen projection is realized.
Compared with the prior art, the DLP spliced screen optical engine projection six-axis adjusting device and the adjusting method thereof have the advantages that:
1. the projection screen is installed and fixed through the installation mechanism, the U-shaped plate is driven to move inwards by screwing in the bolt to extrude the clamping plate to rotate inwards to clamp and fix the projection screen, when the clamped projection screen is large, the bolt is screwed out towards the outer side, under the reverse acting force of the clamping spring, the clamping plate rotates towards the outer side, and then the projection screen is installed, so that the projection screen can be replaced, and the replacement of the projection screens with different sizes is facilitated;
2. the optical engine is installed through determining the projection focal length, the vertical distance B between the optical engine and the reflector is determined through CAD typesetting software to realize the installation of the reflector, and further the effect of basically full screen projected by the optical engine is realized;
3. the position of a pattern arranged in the optical engine is adjusted through the remote controller through the connection of the control box and the optical engine, and the full projection screen is ensured through artificial observation, so that the traditional adjustment of projection through adjusting the position of a six-axis adjusting platform is avoided, and a large amount of adjustment labor and time are saved;
in summary, the optical engine is installed through the projection focal length, the vertical distance B between the optical engine and the reflector is determined through the CAD layout software, the projection on the projection screen is ensured to be substantially full screen after the reflector is fixed, the position of the built-in image is adjusted through the remote controller, the full screen is ensured, the adjustment by adopting the six-axis adjusting platform for movement is avoided, and a large amount of adjustment labor and time are saved.
Drawings
FIG. 1 is a top view of an interior of a DLP tiled screen optical engine projection six-axis adjustment apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of a mounting mechanism in a DLP tiled screen optical engine projection six-axis adjusting device according to the present invention;
fig. 3 is a schematic diagram of an image adjustment range in the DLP tiled screen optical engine projection six-axis adjusting device according to the present invention.
In the figure: the device comprises a box body 1, a projection screen 2, a nut 3, a reflector 4, an optical engine 5, a fixing plate 6, a clamping plate 7, a clamping spring 8 and a U-shaped plate 9.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a DLP spliced screen optical engine projection six-axis adjusting device comprises a box body 1, a projection screen 2 is installed in the box body 1 through an installation mechanism, the installation mechanism comprises two fixed plates 6 which are arranged in parallel, two clamping plates 7 are rotatably connected to the side walls of the opposite sides of the two fixed plates 6, one end of each clamping plate 7, which is far away from the fixed plate 6, is in arc-shaped arrangement, the arc-shaped arrangement is smoother, and damage to the projection screen caused by sharp clamping plates 7 when clamping the projection screen is avoided, a clamping spring 8 is fixedly connected between each clamping plate 7 and the fixed plate 6, the clamping plate 7 is pulled to the outer side by the clamping spring 8, when clamping a smaller projection screen is carried out, a nut 3 is screwed in, the nut 3 is in contact with a U-shaped plate 9, the U-shaped plate 9 is extruded to move to the inner side, the clamping plate 7 is extruded to rotate to clamp and fix the projection screen to the inner side, tensile grip spring 8, when the centre gripping of carrying out great projection curtain, nut 3 is screwed out to the outside, reverse elasticity pulling grip block 7 with the help of grip spring 8 rotates toward the outside, it is fixed to put the projection curtain and carry out the centre gripping of projection curtain between installation mechanism, all run through on every fixed plate 6 and be provided with U template 9, two overhangs of every U template 9 all contact with one side that grip block 7 is close to fixed plate 6, all run through on every U template 9 and be provided with nut 3, U template 9 should set up the space that supplies 3 full activities of nut with the junction of nut 3, it rotates to drive U template 9 when avoiding nut 3 to rotate, can't carry out screw in or screw out work on fixed plate 6, the change of the projection curtain size of equidimension has not been realized, nut 3 and 6 threaded connection of fixed plate.
The inside of box 1 is fixed with speculum 4 and optical engine 5, optical engine 5's output sets up towards speculum 4, be equipped with light refraction point C on the speculum 4, and light refraction point C all is located the central line of projection curtain 2, optical engine 5's camera lens central point and light refraction point C are located same straight line, linear distance between optical engine 5's camera lens and the 1 preceding lateral wall of box is A, linear distance between light refraction point C and the projection curtain 2 also is A, vertical distance between optical engine 5 and the speculum 4 is B, be equipped with contained angle D between speculum 4 and the horizontal line, contained angle D is 45.
The adjusting method of the DLP spliced screen optical engine projection six-axis adjusting device comprises the following steps:
1) mounting a projection screen: mounting the projection screen through a mounting mechanism;
2) determining a projection focal length: according to the projection ratio formula: the projection ratio is equal to the projection focal length (A)/the long side of the projection screen;
namely: obtaining a projection focal length (A) which is a projection ratio of a long side of the projection screen;
the long limit value of projection screen is fixed length, and optical engine's projection ratio also is a fixed numerical value simultaneously, and then through the formula: and (4) obtaining a projection focal length A (a projection ratio) which is the projection ratio of the long side of the projection screen, and further installing the optical engine.
3) Installing an optical engine: mounting and fixing the optical engine according to the projection focal length (A) obtained in the step 2);
4) determining the B value: determining a vertical distance B between the optical engine and the reflector through CAD typesetting software to ensure that the projection screen is basically full after the reflector is fixed;
5) installing a reflector: mounting and fixing the reflector according to the value B in the step 4);
6) the optical engine is connected with: the optical engine is connected with a control box with a digital rectangular adjusting module through a CAT-5 network cable; the CAT-5 network cable is a common Ethernet cable and is used for data transmission, signals of a remote controller are transmitted to the control box, the image position in the optical engine is adjusted through the control box, the image is extracted, analyzed and projected through the optical engine, and the effect of projection onto the projection screen is achieved.
7) Image adjustment: and the image is adjusted through a remote controller of the manual adjustment control box, so that full-screen projection is realized.
The regulation of position around the manual control remote controller realization image, about, from top to bottom until the image can project to full screen, avoids the tradition to adopt six adjustment platforms to need artifical manual regulation position, and is comparatively troublesome hard.
According to the invention, the optical engine is installed through the projection focal length, the vertical distance B between the optical engine and the reflector is determined through the CAD typesetting software, the projection on the projection screen is ensured to be basically full screen after the reflector is fixed, the position of the built-in image is adjusted through the remote controller, the full screen is ensured, the adjustment by adopting a six-axis adjusting platform for moving is avoided, and a large amount of adjusting labor and time are saved.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
Although the terms of the case 1, the projection screen 2, the nut 3, the mirror 4, the optical engine 5, the fixing plate 6, the clamping plate 7, the clamping spring 8, the U-shaped plate 9, the nut 10, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (2)
- The DLP spliced screen optical engine projection six-axis adjusting device comprises a box body (1) and is characterized in that a projection screen (2) is installed in the box body (1) through an installation mechanism, a reflector (4) and an optical engine (5) are fixed inside the box body (1), the output end of the optical engine (5) is arranged towards the reflector (4), a light refraction point C is arranged on the reflector (4), the light refraction point C is located on the central line of the projection screen (2), the lens central point of the optical engine (5) and the light refraction point C are located on the same straight line, the straight line distance between the lens of the optical engine (5) and the front side wall of the box body (1) is A, the straight line distance between the light refraction point C and the projection screen (2) is A, and the vertical distance between the optical engine (5) and the reflector (4) is B;the mounting mechanism comprises two fixing plates (6) which are arranged in parallel, two clamping plates (7) are rotatably connected to the side walls of the opposite sides of the two fixing plates (6), and a clamping spring (8) is fixedly connected between each clamping plate (7) and the fixing plate (6);each fixing plate (6) is provided with a U-shaped plate (9) in a penetrating mode, two protruding ends of each U-shaped plate (9) are in contact with one side, close to the fixing plate (6), of the clamping plate (7), a nut (3) penetrates through each U-shaped plate (9), and the nut (3) is in threaded connection with the fixing plate (6);one end of each clamping plate (7) far away from the fixing plate (6) is arranged in an arc shape;an included angle D is arranged between the reflector (4) and the horizontal line and is 45 degrees.
- 2. The method of adjusting a DLP tiled screen optical engine projection six axis adjustment apparatus according to claim 1, comprising the steps of:1) mounting a projection screen: mounting the projection screen through a mounting mechanism;2) determining a projection focal length: according to the projection ratio formula: the projection ratio is equal to the projection focal length (A)/the long side of the projection screen;namely: obtaining a projection focal length (A) which is a projection ratio of a long side of the projection screen;3) installing an optical engine: mounting and fixing the optical engine according to the projection focal length (A);4) determining the B value: determining a vertical distance B between the optical engine and the reflector through CAD typesetting software to ensure that the projection screen is basically full after the reflector is fixed;5) installing a reflector: mounting and fixing the reflector according to the value B in the step 4);6) the optical engine is connected with: the optical engine is connected with a control box with a digital rectangular adjusting module through a CAT-5 network cable;7) image adjustment: and the image is adjusted through a remote controller of the manual adjustment control box, so that full-screen projection is realized.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131754.3A CN109634035B (en) | 2019-02-22 | 2019-02-22 | DLP spliced screen optical engine projection six-axis adjusting device and adjusting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131754.3A CN109634035B (en) | 2019-02-22 | 2019-02-22 | DLP spliced screen optical engine projection six-axis adjusting device and adjusting method thereof |
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| Publication Number | Publication Date |
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| CN109634035A CN109634035A (en) | 2019-04-16 |
| CN109634035B true CN109634035B (en) | 2021-08-06 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204270610U (en) * | 2014-12-12 | 2015-04-15 | 刘冠军 | Maintenance seamless tiled display equipment before DLP |
| CN105807544A (en) * | 2016-05-25 | 2016-07-27 | 海信集团有限公司 | Projector positioning and installing method and device |
| CN205696513U (en) * | 2016-05-12 | 2016-11-23 | 周婧娴 | Senior middle school's literal arts reading stand |
| CN107861326A (en) * | 2017-11-16 | 2018-03-30 | 银弗（北京）科技有限公司 | A kind of dynamic mirror optical projection system |
| CN208101863U (en) * | 2018-04-25 | 2018-11-16 | 南漳县庆瑞精密铸造有限公司 | A kind of automobile sensor mounting bracket |
-
2019
- 2019-02-22 CN CN201910131754.3A patent/CN109634035B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204270610U (en) * | 2014-12-12 | 2015-04-15 | 刘冠军 | Maintenance seamless tiled display equipment before DLP |
| CN205696513U (en) * | 2016-05-12 | 2016-11-23 | 周婧娴 | Senior middle school's literal arts reading stand |
| CN105807544A (en) * | 2016-05-25 | 2016-07-27 | 海信集团有限公司 | Projector positioning and installing method and device |
| CN107861326A (en) * | 2017-11-16 | 2018-03-30 | 银弗（北京）科技有限公司 | A kind of dynamic mirror optical projection system |
| CN208101863U (en) * | 2018-04-25 | 2018-11-16 | 南漳县庆瑞精密铸造有限公司 | A kind of automobile sensor mounting bracket |
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| CN109634035A (en) | 2019-04-16 |
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