阅读说明：本技术 新型显示超短焦镜头曲面反光杯智能调校系统 (Novel intelligent adjustment and calibration system for curved-surface reflection cup of ultra-short-focus display lens ) 是由 刘伟 许艳华 李岩 许鸿鹏 王淑坤 苏文露 王金明 于 2021-08-19 设计创作，主要内容包括：本发明公开了一种新型显示超短焦镜头曲面反光杯智能调校系统,属于投影设备技术领域,包括镜头、反光杯、调校装置、投影屏、图像采集模块、处理器和检测台,所述镜头设置于检测台顶面,所述反光杯设置于镜头前侧,所述投影屏设置于检测台后方,光源发出光线通过镜头进入反光杯,再由反光杯反射到投影屏上,所述调校装置设置于反光杯前方且与反光杯连接,所述调校装置控制反光杯运动,所述图像采集模块设于投影屏前用于采集投影图像信息,所述图像采集模块与处理器信号连接,本发明解决了手工调整不确定性的问题,量化了调校过程；提高精度与缩短调整时间,实现人工智能自动化调校,且每次开机时,所有调整结构都在最佳位置,减少调整量。(The invention discloses a novel intelligent calibration system for a curved-surface reflecting cup of an ultra-short-focus display lens, which belongs to the technical field of projection equipment and comprises a lens, a reflecting cup, a calibration device, a projection screen, an image acquisition module, a processor and a detection platform, wherein the lens is arranged on the top surface of the detection platform, the reflecting cup is arranged on the front side of the lens, the projection screen is arranged behind the detection platform, light emitted by a light source enters the reflecting cup through the lens and is reflected onto the projection screen by the reflecting cup, the calibration device is arranged in front of the reflecting cup and is connected with the reflecting cup, the calibration device controls the movement of the reflecting cup, the image acquisition module is arranged in front of the projection screen and is used for acquiring projected image information, and the image acquisition module is in signal connection with the processor; the precision is improved, the adjusting time is shortened, the artificial intelligent automatic adjustment is realized, and in each starting process, all the adjusting structures are in the optimal positions, so that the adjusting amount is reduced.)

1. Novel show ultrashort burnt camera lens curved surface reflector cup intelligence timing system, its characterized in that: including camera lens (1), anti-light cup (2), timing device, projection screen (3), image acquisition module (4), treater (5) and examine test table (12), camera lens (1) sets up in examining test table (12) top surface, anti-light cup (2) set up in camera lens (1) front side, projection screen (3) set up in examining test table (12) rear, and the light source sends light and gets into anti-light cup (2) through camera lens (1), reflects by anti-light cup (2) again on projection screen (3), the timing device sets up in anti-light cup (2) the place ahead and is connected with anti-light cup (2), the movement of anti-light cup (2) of timing device control, image acquisition module (4) are located and are used for gathering projection image information before projection screen (3), image acquisition module (4) and treater (5) signal connection.

2. The intelligent adjustment and calibration system for the curved-surface reflecting cup of the ultra-short-focus lens as claimed in claim 1, wherein: the lower extreme all is equipped with adjustment head (13) reflection of light cup (2) both sides, the adjustment device comprises two servo motor (6) and two screw rod (7), servo motor (6) drive screw rod (7) are rotatory, two adjustment heads (13) of reflection of light cup (2) respectively with screw rod (7) threaded connection of homonymy, servo motor (6) and treater (5) electric connection.

3. The intelligent adjustment and calibration system for the curved-surface reflecting cup of the ultra-short-focus lens as claimed in claim 2, wherein: the servo motor (6) is installed on the support (8), the support (8) is fixed on the detection table (12) and is internally provided with a motor (9) and a second screw rod (10), the second screw rod (10) is rotatably arranged in the support (8), the side end installation seat of the servo motor (6) extends into the support (8) and is in threaded connection with the second screw rod (10), and the motor (9) drives the second screw rod (10) to rotate.

4. The intelligent adjustment and calibration system for the curved-surface reflecting cup of the ultra-short-focus lens as claimed in claim 1, wherein: the image acquisition modules (4) are provided with two images which are respectively arranged at two sides of the front of the projection screen (3), and the image acquisition modules (4) are used for intercepting images of the upper left corner and the upper right corner of the projection screen.

5. The intelligent adjustment and calibration system for the curved-surface reflecting cup of the ultra-short-focus lens as claimed in claim 4, wherein: the image acquisition module (4) comprises a camera lens for acquiring images and an image acquisition card for transmitting the images.

6. The intelligent adjustment and calibration system for the curved-surface reflecting cup of the ultra-short-focus lens as claimed in claim 1, wherein: still include image database (11) in processor (5), the subdivision image archives of sufficient quantity are stored in image database (11), processor (5) drive adjusting device after comparing the image of image acquisition module (4) intercepting and image database (11) internal standard image and debug.

7. The intelligent adjustment and calibration system for the curved-surface reflecting cup of the ultra-short-focus lens as claimed in claim 1, wherein: the processor (5) is arranged in the man-machine console, the man-machine console is further provided with a touch screen and a control panel, the control panel is in circuit connection with the processor (5), and images intercepted by the image acquisition module (4) are displayed on the touch screen through electric transmission.

Technical Field

The invention discloses a novel intelligent adjustment and calibration system for a curved-surface reflecting cup of an ultra-short-focus display lens, and belongs to the technical field of projection equipment.

Background

Laser projection is a fourth generation display technology following black and white display, color display and digital display, and is widely applied to the field of digital teaching and the field of modern digital display engineering based on the edge fusion technology, such as circular screen movies, museums, homes and the like. The projection ratio is an important parameter of the laser projector, and the smaller the projection ratio is, the larger the width of the projection screen is, indicating the same projection distance. The ultra-short-focus projector is a projector with a projection ratio less than 0.4, can realize projection of a larger picture in a short distance, and has an ultra-short-focus projection lens as a core component of the technology.

The prior laser projection still has a plurality of technical problems, such as distortion of a projection picture, low and uneven picture illumination, insufficient definition, large edge picture chromatic aberration and the like, and the problems are caused when lens production equipment and related adjustment processes are lagged, a lens and a light-emitting curved surface reflection cup of the laser projection are installed on a fixed support in a projector, parameters such as the shape, distortion, chromatic aberration and the like of an emergent picture can be adjusted through adjustment of the reflection cup, the adjustment precision is required to be more than micron level, the prior adjustment method adopts manual adjustment, the adjustment parameters are more, the degree of freedom is complex, and the consistency and the timeliness of the quality are difficult to ensure.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a novel intelligent adjustment system for a curved-surface reflecting cup of an ultra-short-focus display lens, so as to solve the existing problems.

In order to achieve the purpose, the invention is realized by the following technical scheme: novel show ultrashort burnt camera lens curved surface anti-light cup intelligence timing system, include camera lens, anti-light cup, timing device, projection screen, image acquisition module, treater and examine test table, the camera lens sets up in examining test table top surface, anti-light cup sets up in the camera lens front side, the projection screen sets up in examining test table rear, and the light source sends light and gets into anti-light cup through the camera lens, reflects the projection screen by anti-light cup again on, the timing device sets up in anti-light cup the place ahead and is connected with anti-light cup, the motion of the anti-light cup of timing device control, image acquisition module is used for gathering projection image information before locating the projection screen, image acquisition module and treater signal connection.

Furthermore, the lower ends of the two sides of the reflection cup are respectively provided with an adjusting head, the adjusting device is composed of two servo motors and two screws, the servo motors drive the screws to rotate, the two adjusting heads of the reflection cup are respectively in threaded connection with the screws on the same side, and the servo motors are electrically connected with the processor.

Further, the servo motor is installed on the support, the support is fixed on the detection table and is internally provided with a motor and a second screw, the second screw is rotatably arranged in the support, the servo motor side end installation seat extends into the support and is in threaded connection with the second screw, and the motor drives the second screw to rotate.

Furthermore, the image acquisition modules are provided with two image acquisition modules which are respectively arranged at two sides of the front of the projection screen, and the image acquisition modules are used for intercepting images of the upper left corner and the upper right corner of the projection screen.

Further, the image acquisition module comprises a camera lens for acquiring images and an image acquisition card for transmitting the images.

Further, still include the image database in the treater, the subdivision image archives of sufficient quantity are stored in the image database, the treater drives the timing device and debugs after comparing the image of image acquisition module intercepting with the standard image in the image database.

Further, the processor is arranged in the human-computer console, the human-computer console is further provided with a touch screen and a control panel, the control panel is connected with the processor circuit, and the image captured by the image acquisition module is displayed on the touch screen through electric transmission.

The invention has the beneficial effects that: the invention accurately controls the adjustment amount through the servo motor, solves the problem of uncertainty of manual adjustment, and quantifies the adjustment process; and because the adjustment is micron-scale, two servomotors can adjust two threaded spindles respectively, the reflecting cup is a free-form surface, the space position of the reflecting cup is adjusted by adjusting the feed amount of two adjusting points (A, B) of the reflecting cup, such as AB simultaneous advance, AB simultaneous retreat, A advance B motionless, B advance A motionless, A advance B retreat, A retreat B advance, etc., which brings the adjustment of six degrees of freedom (three-dimensional coordinates and corresponding included angles) of the reflecting cup, thereby adjusting parameters such as the shape, distortion, chromatic aberration, etc. of the emergent picture, after the adjustment, the position of the reflecting cup can be fixed by glue, only the lens is adjusted when the actual projector is used, the reflecting cup can not move, the reflected projected image collected by the camera can be compared and analyzed with the standard image, and a proper adjusting instruction can be calculated, so that the artificial intelligent automatic adjustment and calibration can be realized, and the labor cost can be reduced; the device has active learning ability, the optimal position information of each adjusting mechanism with accurate memory positioning is stored in the system after each time of automatic adjustment, and all motor adjusting structures for adjusting the servo are in the optimal positions after each time of starting, so that the adjusting amount is greatly reduced.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram illustrating the working principle of a reflective cup of the novel intelligent tuning system for a curved reflective cup of an ultra-short-focus lens of the present invention;

FIG. 2 is a schematic diagram of a top view of the novel intelligent tuning system for a curved-surface reflector of an ultra-short-focus lens of the present invention;

fig. 3 is a schematic diagram of a part of the structure of the adjusting device of the novel intelligent adjusting system for the curved-surface reflector of the ultra-short-focus lens of the invention;

FIG. 4 is a diagram of a structure of an adjusting point of the novel intelligent tuning system for a curved-surface reflector of an ultra-short-focus lens of the present invention;

fig. 5 is a structural diagram of the novel intelligent adjustment system for the curved-surface reflecting cup of the ultra-short-focus lens.

In the figure: the device comprises a lens-1, a light reflecting cup-2, a projection screen-3, an image acquisition module-4, a processor-5, a detection table-12, an adjusting head-13, a servo motor-6, a screw rod-7, a support-8, a motor-9, a second screw rod-10 and an image database-11.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1-4, the present invention provides a technical solution for an intelligent tuning system for a curved reflective cup of a novel ultra-short focus lens: lens 1, anti-light cup 2, the timing device, the projection screen 3, image acquisition module 4, treater 5 with examine test table 12, lens 1 sets up in examining test table 12 top surface, anti-light cup 2 sets up in lens 1 front side, projection screen 3 sets up in examining test table 12 rear, the light source sends light and gets into anti-light cup 2 through lens 1, reflect to projection screen 3 by anti-light cup 2 again on, the timing device sets up in 2 the place ahead of anti-light cup and is connected with anti-light cup 2, the motion of timing device control anti-light cup 2, image acquisition module 4 is used for gathering projection image information before locating projection screen 3, image acquisition module 4 and 5 signal connection of treater.

The lower extreme in 2 both sides of anti-light cup all is equipped with adjustment head 13, and the timing device comprises two servo motor 6 and two screw rods 7, and servo motor 6 drive screw rod 7 is rotatory, and two adjustment heads 13 of anti-light cup 2 are respectively with the screw rod 7 threaded connection of homonymy, servo motor 6 and 5 electric connection of treater.

The servo motor 6 is installed on the support 8, the support 8 is fixed on the detection table 12 and is internally provided with the motor 9 and the second screw rod 10, the second screw rod 10 is rotatably arranged in the support 8, the mounting seat at the side end of the servo motor 6 extends into the support 8 and is in threaded connection with the second screw rod 10, and the motor 9 drives the second screw rod 10 to rotate.

The image acquisition modules 4 are provided with two images and are respectively arranged at the positions of two sides in front of the projection screen 3, the image acquisition modules 4 are used for intercepting images of the upper left corner and the upper right corner of the projection screen, and the image acquisition modules 4 are visual detection cameras.

Still include image database 11 in the treater 5, the subdivision image archives of sufficient volume are stored in the image database 11, treater 5 is debugged through standard image comparison back drive timing device in image and the image database 11 of image acquisition module 4 intercepting, treater 5 sets up in the human-computer control cabinet, still be equipped with touch-sensitive screen and control panel on the human-computer control cabinet, control panel and 5 circuit connection of treater, the image of image acquisition module 4 intercepting is shown on the touch-sensitive screen through electrical property transmission

For example, image information (such as pixels, graphics and the like) is picked up on the projection screen 3 through the image acquisition module 4, the image information is uploaded to the processor 5, the image information is compared with an image file stored in the image database 11, the image information is identified, analyzed and operated, a current image code is determined to obtain an adjustment instruction, an adjustment task code is output to the processor, then the processor 5 starts a related execution unit according to the task code, the adjustment instruction and an electric pulse signal are output, the adjusting device is driven to automatically work, the servo motor 6 drives the feeding amount of the two adjusting heads 13 of the reflector cup 2 through the screw 7 to adjust the space position of the reflector cup 2, so that parameters such as the shape, distortion, chromatic aberration and the like of an emergent image are adjusted, the reflector cup 2 is subjected to glue application and irradiation curing, and then the adjusting device can be withdrawn.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.