CN104363398A - Adaptive projection system - Google Patents
Adaptive projection system Download PDFInfo
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- CN104363398A CN104363398A CN201410533151.3A CN201410533151A CN104363398A CN 104363398 A CN104363398 A CN 104363398A CN 201410533151 A CN201410533151 A CN 201410533151A CN 104363398 A CN104363398 A CN 104363398A
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Abstract
The invention discloses an adaptive projection system comprising a projector and a curtain. The curtain comprises a curtain body, a wireless transmitting module, a data handling module and a plurality of light sensation sensors evenly distributed on the curtain body; the projector comprises a control module, an angle adjustment module, a brightness adjustment module, a motor and a wireless receiving module; the light sensation sensors collect light brightness information on the curtain and transmit the light brightness information to the data handling module; the data handling module sends received location information of each light sensation sensor and the light brightness information to the wireless receiving module via the wireless transmitting module after handling the information; after the wireless receiving module transmits the received information to the control module, the control module sends an instruction to the angle adjustment module and the brightness adjustment module after making judgment according to the received information, and further the projection angle and the projection brightness of the projector are adjusted. The adaptive projection system is simple in structure, low in cost, convenient to use and capable of adjusting the projection angle and projection brightness automatically.
Description
Technical field
The present invention relates to projection field, particularly relate to a kind of self adaptation optical projection system.
Background technology
Projecting apparatus, under taking in the policy of national promote domestic demands and the people background constantly promoted, the enforcement of Rural Culture ethnic minority regions has promoted the quick growth of China's Projector Market further.According to statistics, within 2010, China's Projector Market shipment amount scale reaches 1,280,000, compares 2009 and increases by 43.6%.Think, within 2011, China's Projector Market will keep quick growth, and annual shipment amount will reach 1,670,000, year rate of growth to be about projecting apparatus be 30%.The five-year, the compound growth rate of China's Projector Market will reach 17.1%.
China projector's product consumption market mainly concentrates on the large-and-medium size cities such as the more flourishing North China of economy, East China, south China.Education, commercial affairs, government, home entertaining are the four large main consumer groups supporting Chinese projector industry.Make a general survey of China's Projector Market.No matter from the quantity of product, quality or kind aspect, all reach certain maturity, the popularization and application of product makes projector change to mass product from comparatively professional display device in the psychological positioning of user, the marketing scale of industry constantly expands, 2010, China's Projector Market sales volume is 1,100,000, compares 2009 and increases by 37.5%.From this 10 years China's Projector Market developments, China's Projector Market scale increases by 18 times, and its average growth rate per annum is 39.14%, and industry is in high-speed development period.
From the development form in industry future, education is still industry future development pillar field.According to statistics, institute of total kindergarten 12.91 ten thousand, the whole nation in 2010, institute of primary school 39.42 ten thousand, general high school 7.90 ten thousand institute, institute of common medium universities and colleges 3047, institute of higher education school 1778, be equipped with a projector by each classroom to calculate, according to related data display China only education sector market capacity just reach more than 1,100 ten thousand, if calculated according to projection occupation rate, projector can account for about 14%-28% (not comprising market maintenance), and the real sales volume of education market in 2010 is less than 500,000.
Secondly, the development in commercial projection market is also the key strength of left and right projector market development.Although China's commercial affairs projection market, in rapid expansion, is estimated according to relevant survey institute, in future, medium-sized and small enterprises quantity will keep the growth rate of 7%-8%, and within 2012, medium-sized and small enterprises sum will reach 5,000 ten thousand, industry development Bright Prospect.In addition, with regard to domestic at present, wealthy family's quantity of assets more than 1,000,000 can reach more than 200 ten thousand, and some elite, white collar are comparatively large for the demand of the quality of life, amusement equipment, and following household application market has a high potential.
Existing optical projection system generally all needs people manually to adjust projection angle and projection brightness, very inconvenient.
Patent " self adaptation projecting apparatus " (application number: 201310086955.9) disclose a kind of self adaptation projecting apparatus, comprise image capture module, image processing module and Executive Module, wherein image capture module is taken pictures to the projected picture of projecting apparatus and screen or is taken, and by image processing module to the picture of taking pictures or taking carry out image procossing, analysis, the parameter drawn transfers to Executive Module to make corresponding control to projecting apparatus to order.The positional information of frame out and screen is obtained, by electric machine rotation projecting apparatus by image procossing; Draw monochrome information, the brightness of projection is adjusted automatically; Draw definition, resolution information, automatically focus; Show that screen is concavo-convex, inclined degree information, automatically concavo-convex, process of tilting is done to the image being about to projection.The present invention is applicable to fixed and portable projector.
This projecting apparatus cost is higher, and handling process more complicated, need to compare complicated process to the picture of shooting.
Patent " a kind of method of projecting apparatus frame self-adaptive Geometry rectification " (application number: a kind of method 201310366124.7) disclosing projecting apparatus frame self-adaptive Geometry rectification, comprising: take the projection plane image without projected picture; Target original image to be corrected is projected in projection plane and obtains Current projection picture; The projection plane image of shooting Current projection picture; The point cloud sample data of acquired projections plane; Obtain the homography matrix from camera plane to projection plane; Identify the frame number corresponding to Current projection picture, search the former projected image corresponding to Current projection picture; Obtain the current corresponding relation existed about the two-dimensional position coordinate of matching characteristic between the projection plane image of projected picture and its former projected image, obtain respectively from projecting apparatus plane to camera plane, from projecting apparatus plane to the homography matrix of projection plane; The target original image to be corrected to next frame carries out change of scale process and generates conversion projected image; New Current projection picture is obtained by conversion projector, image projection to projection plane.
This method is also very complicated, and also need to take drop shadow effect, cost is higher simultaneously.
Summary of the invention
Technical problem to be solved by this invention is the defect for relating in background technology, provides the self adaptation optical projection system that a kind of structure is simple, cheap, automatically can regulate picture, and automatically can regulate projection brightness.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of self adaptation optical projection system, comprise projecting apparatus and curtain, described curtain comprises curtain body, wireless transmitter module, data preparation module and some photosensitive sensors be evenly distributed on curtain body;
Described projecting apparatus comprises control module, angular adjustment module, luminance adjustment module, motor and wireless receiving module;
The light luminance information collected for gathering the light luminance information on curtain, and is passed to data preparation module by described photosensitive sensors;
Described data preparation module is used for passing to wireless sending module by after the positional information of each photosensitive sensors received and light luminance finish message;
Described wireless sending module be used for by arrange after information by being wirelessly sent to wireless receiving module;
Described wireless receiving module is used for the information received to pass to control module;
The information that described control module is used for according to receiving judges rear transmission instruction to angular adjustment module and luminance adjustment module;
Described angular adjustment module is used for controlling the projection angle of motor to projecting apparatus according to the instruction of control module and adjusts;
Described luminance adjustment module is used for adjusting according to the projection brightness of instruction to projecting apparatus of control module.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, described photosensitive sensors is that cross is evenly distributed on described curtain body.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, the photosensitive sensors of described cruciform central is positioned at the center of described curtain body.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, described photosensitive sensors is that M shape is evenly distributed on described curtain body.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, the photosensitive sensors at described M shape center is positioned at the center of described curtain body.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, described wireless transmitter module and wireless receiving module are based on Zigbee network wireless connections.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, the processor of described control module adopts 51 series monolithics.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, the processor of described control module adopts AT89S52 single-chip microcomputer.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1. structure is simple, cheap, easy to use;
2. automatically can regulate picture, guarantee that the angle of picture is optimum;
3. can automatic regulating lightness, make the comfortableness of human eye reach maximum.
Accompanying drawing explanation
Fig. 1 is the structural representation of curtain in the present invention;
Fig. 2 is the module diagram of projecting apparatus in the present invention.
In figure, 1-curtain body, 2-photosensitive sensors, 3-data preparation module, 4-wireless transmitter module.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
The invention discloses a kind of self adaptation optical projection system, comprise projecting apparatus and curtain, as shown in Figure 2, described curtain comprises curtain body, wireless transmitter module, data preparation module and some photosensitive sensors be evenly distributed on curtain body;
As shown in Figure 1, described projecting apparatus comprises control module, angular adjustment module, luminance adjustment module, motor and wireless receiving module;
The light luminance information collected for gathering the light luminance information on curtain, and is passed to data preparation module by described photosensitive sensors;
Described data preparation module is used for passing to wireless sending module by after the positional information of each photosensitive sensors received and light luminance finish message;
Described wireless sending module be used for by arrange after information by being wirelessly sent to wireless receiving module;
Described wireless receiving module is used for the information received to pass to control module;
The information that described control module is used for according to receiving judges rear transmission instruction to angular adjustment module and luminance adjustment module;
Described angular adjustment module is used for controlling the projection angle of motor to projecting apparatus according to the instruction of control module and adjusts;
Described luminance adjustment module is used for adjusting according to the projection brightness of instruction to projecting apparatus of control module.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, described photosensitive sensors is that cross is evenly distributed on described curtain body.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, the photosensitive sensors of described cruciform central is positioned at the center of described curtain body.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, described photosensitive sensors is that M shape is evenly distributed on described curtain body.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, the photosensitive sensors at described M shape center is positioned at the center of described curtain body.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, described wireless transmitter module and wireless receiving module are based on Zigbee network wireless connections.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, the processor of described control module adopts 51 series monolithics.
As the further prioritization scheme of a kind of self adaptation optical projection system of the present invention, the processor of described control module adopts AT89S52 single-chip microcomputer.
The brightness adjusting method of self adaptation optical projection system in the present invention, comprises following steps:
Step 1), before projecting apparatus is started working, adopts the photosensitive sensors being positioned at curtain body central to gather light luminance, and light luminance is passed to data preparation module;
Step 2), data preparation module is transmitted to wireless receiving module by after data preparation by wireless transmitter module;
Step 3), the information received is passed to control module by wireless receiving module, and control module obtains after the light luminance received is added default luminance difference estimating projection brightness, and estimation projection brightness is passed to luminance adjustment module;
Step 4), after luminance adjustment module receives estimation projection brightness, the maximal projection brightness of estimation projection brightness and projecting apparatus is made comparisons;
Step 5), if estimation projection brightness is more than or equal to the maximal projection brightness of projecting apparatus, the projection brightness of projecting apparatus is adjusted to maximal projection brightness by luminance adjustment module;
Step 6), if estimation projection brightness is less than the maximal projection brightness of projecting apparatus, the projection brightness of projecting apparatus is adjusted to estimation projection brightness by luminance adjustment module.
The projection angle control method of self adaptation optical projection system in the present invention, comprises following steps:
Step 1), described projector is after described curtain body, symmetrical and the photosensitive sensors be evenly distributed on curtain body gathers light luminance respectively about curtain body central, and light luminance is passed to data preparation module;
Step 2), described data preparation module sends to wireless receiving module by wireless sending module after the light luminance of each photosensitive sensors received and positional information thereof being arranged;
Step 3), the light luminance of each photosensitive sensors received and positional information thereof are passed to control module by wireless receiving module;
Step 4), control module respectively by the light luminance of each photosensitive sensors and the projection brightness of projecting apparatus poor, pick out difference preset error range in photosensitive sensors;
Step 5), control module judges that whether the photosensitive sensors of difference in the error range preset be symmetrical about curtain body central;
Step 6), if it is symmetrical that the photosensitive sensors of difference in the error range preset is not in relation to curtain body central, then adjusted by the projection angle of Angle ambiguity module controls motor to projecting apparatus, until the photosensitive sensors of difference in the error range preset is symmetrical about curtain body central.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a self adaptation optical projection system, comprises projecting apparatus and curtain, it is characterized in that:
Described curtain comprises curtain body, wireless transmitter module, data preparation module and some photosensitive sensors be evenly distributed on curtain body;
Described projecting apparatus comprises control module, angular adjustment module, luminance adjustment module, motor and wireless receiving module;
The light luminance information collected for gathering the light luminance information on curtain, and is passed to data preparation module by described photosensitive sensors;
Described data preparation module is used for passing to wireless sending module by after the positional information of each photosensitive sensors received and light luminance finish message;
Described wireless sending module be used for by arrange after information by being wirelessly sent to wireless receiving module;
Described wireless receiving module is used for the information received to pass to control module;
The information that described control module is used for according to receiving judges rear transmission instruction to angular adjustment module and luminance adjustment module;
Described angular adjustment module is used for controlling the projection angle of motor to projecting apparatus according to the instruction of control module and adjusts;
Described luminance adjustment module is used for adjusting according to the projection brightness of instruction to projecting apparatus of control module.
2. self adaptation optical projection system according to claim 1, is characterized in that, described photosensitive sensors is that cross is evenly distributed on described curtain body.
3. self adaptation optical projection system according to claim 2, is characterized in that, the photosensitive sensors of described cruciform central is positioned at the center of described curtain body.
4. self adaptation optical projection system according to claim 1, is characterized in that, described photosensitive sensors is that M shape is evenly distributed on described curtain body.
5. self adaptation optical projection system according to claim 2, is characterized in that, the photosensitive sensors at described M shape center is positioned at the center of described curtain body.
6. self adaptation optical projection system according to claim 1, is characterized in that, described wireless transmitter module and wireless receiving module are based on Zigbee network wireless connections.
7. self adaptation optical projection system according to claim 1, is characterized in that, the processor of described control module adopts 51 series monolithics.
8. self adaptation optical projection system according to claim 1, is characterized in that, the processor of described control module adopts AT89S52 single-chip microcomputer.
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| CN201410533151.3A CN104363398A (en) | 2014-10-11 | 2014-10-11 | Adaptive projection system |
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| CN201410533151.3A CN104363398A (en) | 2014-10-11 | 2014-10-11 | Adaptive projection system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105538396A (en) * | 2015-12-30 | 2016-05-04 | 上海和鹰机电科技股份有限公司 | Material pick-up area calibration system and pick-up system of cutting machine and calibration method of material pick-up area calibration system |
| CN106840121A (en) * | 2017-03-27 | 2017-06-13 | 青岛镭创光电技术有限公司 | level and control method |
| CN110876218A (en) * | 2018-08-31 | 2020-03-10 | 广州入一聚家科技有限公司 | Intelligent lamp and control method and device thereof |
| CN111323998A (en) * | 2020-03-13 | 2020-06-23 | 浙江乐科文化发展有限公司 | Adjustable high-luminosity multimedia delivery platform |
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| KR20040063553A (en) * | 2003-01-08 | 2004-07-14 | 엘지전자 주식회사 | A projection image display system for automatically controlling brightness and method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538396A (en) * | 2015-12-30 | 2016-05-04 | 上海和鹰机电科技股份有限公司 | Material pick-up area calibration system and pick-up system of cutting machine and calibration method of material pick-up area calibration system |
| CN105538396B (en) * | 2015-12-30 | 2018-01-05 | 长园和鹰智能科技有限公司 | The material of cutter picks up area's calibration system, pickup system and its calibration method |
| CN106840121A (en) * | 2017-03-27 | 2017-06-13 | 青岛镭创光电技术有限公司 | level and control method |
| CN110876218A (en) * | 2018-08-31 | 2020-03-10 | 广州入一聚家科技有限公司 | Intelligent lamp and control method and device thereof |
| CN111323998A (en) * | 2020-03-13 | 2020-06-23 | 浙江乐科文化发展有限公司 | Adjustable high-luminosity multimedia delivery platform |
| CN111323998B (en) * | 2020-03-13 | 2021-12-03 | 聊城市坚果教育科技有限公司 | Adjustable high-luminosity multimedia delivery platform |
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Application publication date: 20150218 |
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