CN204305200U - A kind of projecting apparatus autofocus system based on camera - Google Patents
A kind of projecting apparatus autofocus system based on camera Download PDFInfo
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- CN204305200U CN204305200U CN201420742950.7U CN201420742950U CN204305200U CN 204305200 U CN204305200 U CN 204305200U CN 201420742950 U CN201420742950 U CN 201420742950U CN 204305200 U CN204305200 U CN 204305200U
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Abstract
The utility model discloses a kind of projecting apparatus autofocus system based on camera, comprise embedded processing systems, camera module, image processing module, projection module, motor driving module, the ray machine camera lens that described projection module comprises projection control system and is attached thereto; Described camera module, image processing module, motor driving module are connected with embedded processing systems respectively, and described ray machine camera lens is connected embedded processing systems with optical parametric module by projection control system; Described camera module for taking the screen of projection, described image processing module be used for the data of camera module collection process the gradient that draws projected image and, and then drive the camera lens of projector to focus by motor driving module.
Description
Technical field
The utility model relates to a kind of autofocus system, particularly relates to a kind of projecting apparatus autofocus system based on camera, belongs to projecting apparatus auto-focusing field.
Background technology
Projecting apparatus is also known as projector, current shadow casting technique makes rapid progress, along with the development of science and technology, projection industry has also developed into the paramount field of a micro-throwing new technology. at present Taida's day brilliant LCOS RGB tricolor projection's ray machine and 720P sheet decoding technique, projector's exquisitenessization huge for tradition, micro projector portability, microminiaturization, entertainment orientation, practical, make shadow casting technique's closeness to life and amusement more.
Current existing projecting apparatus autofocus system is generally carry out automatic focusing by measuring projector to the distance of projection plane.This focusing mode is very high to the coherence request of projecting apparatus, and will calibrate every platform machine.
Utility model content
Technical problem to be solved in the utility model provides for the deficiency of background technology a kind ofly to carry out projector brightness and color automatic regulating system by camera, it is more convenient to operate, by the graphical analysis for projection screen, obtain the environment of projecting apparatus work, and according to projecting apparatus operational environment, dynamic conditioning is carried out to the brightness of projecting apparatus and color, reach better visual effect.
The utility model is for solving the problems of the technologies described above by the following technical solutions:
Based on a projecting apparatus autofocus system for camera, comprise embedded processing systems, camera module, image processing module, projection module, motor driving module, the ray machine camera lens that described projection module comprises projection control system and is attached thereto; Described camera module, image processing module, motor driving module are connected with embedded processing systems respectively, and described ray machine camera lens is connected embedded processing systems with optical parametric module by projection control system; Described camera module for taking the screen of projection, described image processing module be used for the data of camera module collection process the gradient that draws projected image and, and then drive the camera lens of projector to focus by motor driving module.
As the further preferred version of a kind of projecting apparatus autofocus system based on camera of the utility model, described motor driving module adopts 3A bidirectional, dc motor drive circuit RZ7889.
As the further preferred version of a kind of projecting apparatus autofocus system based on camera of the utility model, described camera module adopts camera.
As the further preferred version of a kind of projecting apparatus autofocus system based on camera of the utility model, this embedded processing systems adopts storage battery power supply.
As the further preferred version of a kind of projecting apparatus autofocus system based on camera of the utility model, described storage battery is chargeable storage.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1, the utility model structure simple, be easy to realize;
2, the utility model carries out image procossing by the image of camera to projection, regulates projector focal length, reach the object of automatic focusing by motor;
3, the utility model cost is low, and automaticity is high, and focusing accurately, has the advantage not available for traditional automatic focusing mode.
Accompanying drawing explanation
Fig. 1 is; Structure principle chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1, a kind of projecting apparatus autofocus system based on camera, comprise embedded processing systems, camera module, image processing module, projection module, motor driving module, the ray machine camera lens that described projection module comprises projection control system and is attached thereto; Described camera module, image processing module, motor driving module are connected with embedded processing systems respectively, and described ray machine camera lens is connected embedded processing systems with optical parametric module by projection control system; Described camera module for taking the screen of projection, described image processing module be used for the data of camera module collection process the gradient that draws projected image and, and then drive the camera lens of projector to focus by motor driving module.
Wherein, described motor driving module adopts 3A bidirectional, dc motor drive circuit RZ7889, and described camera module adopts camera, and this embedded processing systems adopts storage battery power supply, and described storage battery is chargeable storage.A built-in camera in embedded projecting apparatus, the screen of camera shooting projection, by in the processor of the embedded projecting apparatus of image transmitting, to the projection screen photographed carry out compute gradient and, lens focus is adjusted by lens motor, the gradient of double counting photographic images and, find optimum position.Embedded system needs camera access interface, camera can be controlled, and from camera continuous acquisition view data, embedded projecting apparatus needs image processing module, the data of camera collection are processed, choose band of position computed image different on projection screen gradient and, embedded projecting apparatus need support motor drive, according to the image gradient calculated and, dynamic driving motor drives the camera lens of projector to focus.
It is be assembled in spring in photograph or annex that motor drives, and automatically batches film, mostly refer to that 35 millimeters of single lens reflex cameras are used by micromachine.Clap a frame and continuous shooting can replace, during continuous shooting, a general second claps 3-5 frames.Depending on the kind of camera, back lid is changed to long film film magazine, 250 frames can be clapped.Except supplying to utilize the remote shooting of flexible cord, also can clap device by means of the interval control be connected on timer and automatically take, or by controlling shutter etc., application surface is wider.If when not needing continuous shooting, automatic film winder is used also can.
The utility model structure is simple, be easy to realize; The utility model carries out image procossing by the image of camera to projection, regulates projector focal length, reach the object of automatic focusing by motor; The utility model cost is low, and automaticity is high, and focusing accurately, has the advantage not available for traditional automatic focusing mode.
Above with reference to accompanying drawing, the suitable embodiment example that the present invention relates to is illustrated, but the utility model is not limited to this example certainly.The shape of each composed component represented in above-mentioned example and combination etc. are examples, can carry out various change in the scope not departing from aim of the present utility model according to designing requirement.
Claims (5)
1. the projecting apparatus autofocus system based on camera, it is characterized in that: comprise embedded processing systems, camera module, image processing module, projection module, motor driving module, the ray machine camera lens that described projection module comprises projection control system and is attached thereto; Described camera module, image processing module, motor driving module are connected with embedded processing systems respectively, and described ray machine camera lens is connected embedded processing systems with optical parametric module by projection control system; Described camera module for taking the screen of projection, described image processing module be used for the data of camera module collection process the gradient that draws projected image and, and then drive the camera lens of projector to focus by motor driving module.
2. a kind of projecting apparatus autofocus system based on camera according to claim 1, is characterized in that: described motor driving module adopts 3A bidirectional, dc motor drive circuit RZ7889.
3. a kind of projecting apparatus autofocus system based on camera according to claim 1, is characterized in that: described camera module adopts camera.
4. a kind of projecting apparatus autofocus system based on camera according to claim 1, is characterized in that: this embedded processing systems adopts storage battery power supply.
5. a kind of projecting apparatus autofocus system based on camera according to claim 4, is characterized in that: described storage battery is chargeable storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420742950.7U CN204305200U (en) | 2014-12-01 | 2014-12-01 | A kind of projecting apparatus autofocus system based on camera |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420742950.7U CN204305200U (en) | 2014-12-01 | 2014-12-01 | A kind of projecting apparatus autofocus system based on camera |
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| CN204305200U true CN204305200U (en) | 2015-04-29 |
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| CN201420742950.7U Active CN204305200U (en) | 2014-12-01 | 2014-12-01 | A kind of projecting apparatus autofocus system based on camera |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915870A (en) * | 2015-12-30 | 2016-08-31 | 乐视致新电子科技（天津）有限公司 | Automatic focusing apparatus and method of projector |
| CN107155097A (en) * | 2017-06-15 | 2017-09-12 | 上海青橙实业有限公司 | Focus adjustment method, focus control and the projection terminal of projection terminal |
| CN107203086A (en) * | 2017-07-21 | 2017-09-26 | 京东方科技集团股份有限公司 | A kind of focus adjustment method of projection light machine, focus control and projection light machine |
| CN107479168A (en) * | 2017-08-22 | 2017-12-15 | 深圳市芯智科技有限公司 | A kind of projector that can realize rapid focus function and focusing method |
| CN109004819A (en) * | 2018-07-27 | 2018-12-14 | 深圳市太美亚电子科技有限公司 | A kind of electrolysis polarity switching control circuit |
| CN110530291A (en) * | 2019-08-26 | 2019-12-03 | 珠海博明视觉科技有限公司 | A kind of auto-focusing algorithm that grating project height is rebuild |
-
2014
- 2014-12-01 CN CN201420742950.7U patent/CN204305200U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915870A (en) * | 2015-12-30 | 2016-08-31 | 乐视致新电子科技（天津）有限公司 | Automatic focusing apparatus and method of projector |
| CN107155097A (en) * | 2017-06-15 | 2017-09-12 | 上海青橙实业有限公司 | Focus adjustment method, focus control and the projection terminal of projection terminal |
| CN107203086A (en) * | 2017-07-21 | 2017-09-26 | 京东方科技集团股份有限公司 | A kind of focus adjustment method of projection light machine, focus control and projection light machine |
| CN107203086B (en) * | 2017-07-21 | 2019-10-15 | 京东方科技集团股份有限公司 | A kind of focus adjustment method of projection light machine, focus control and projection light machine |
| US10503061B2 (en) | 2017-07-21 | 2019-12-10 | Boe Technology Group Co., Ltd. | Focusing method of optical machine of projector, focusing device and optical machine |
| CN107479168A (en) * | 2017-08-22 | 2017-12-15 | 深圳市芯智科技有限公司 | A kind of projector that can realize rapid focus function and focusing method |
| CN109004819A (en) * | 2018-07-27 | 2018-12-14 | 深圳市太美亚电子科技有限公司 | A kind of electrolysis polarity switching control circuit |
| CN109004819B (en) * | 2018-07-27 | 2024-03-26 | 深圳市太美亚电子科技有限公司 | Electrolysis polarity switching control circuit |
| CN110530291A (en) * | 2019-08-26 | 2019-12-03 | 珠海博明视觉科技有限公司 | A kind of auto-focusing algorithm that grating project height is rebuild |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220516 Address after: 226000 room 116, building 11, Xingfu new town, Xingfu street, Chongchuan District, Nantong City, Jiangsu Province Patentee after: Nantong Yijia Electronic Technology Co.,Ltd. Address before: 215299 Room 405, building 1, Kechuang Park, 2358 Chang'an Road, Wujiang Economic Development Zone, Suzhou, Jiangsu Patentee before: SUZHOU XINCHUANG ZHIHUI ELECTRONIC SCIENCE & TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20220727 Address after: 341000 south side of Changsheng Road, Ningdu Industrial Park, Ganzhou City, Jiangxi Province (Building 9, Zone E, Ganshang entrepreneurship Park) Patentee after: Jiangxi Huaying Photoelectric Technology Co.,Ltd. Address before: 226000 room 116, building 11, Xingfu new town, Xingfu street, Chongchuan District, Nantong City, Jiangsu Province Patentee before: Nantong Yijia Electronic Technology Co.,Ltd. |