CN105700276A - Automatic positioning projector and automatic positioning method - Google Patents
Automatic positioning projector and automatic positioning method Download PDFInfo
- Publication number
- CN105700276A CN105700276A CN201610211049.0A CN201610211049A CN105700276A CN 105700276 A CN105700276 A CN 105700276A CN 201610211049 A CN201610211049 A CN 201610211049A CN 105700276 A CN105700276 A CN 105700276A
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- projector
- micromachine
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- camera lens
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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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- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses an automatic positioning projector and an automatic positioning method. The automatic positioning projector comprises a projector body, a lens, a lens adjusting mechanism, a photosensitive sensor and a communication module, wherein the lens is arranged on the lens adjusting mechanism, and the lens adjusting mechanism is arranged on the projector body; the lens is connected to the projector body; and the photosensitive sensor is connected to the communication module, and the communication module is wirelessly connected to the projector body. According to the automatic positioning projector and the automatic positioning method, the position of the projector can be automatically calibrated without manually adjusting the projector before each use, the projector is convenient and efficient to use, and automatic positioning is accurate and simple.
Description
Technical field
The present invention relates to a kind of projector, particularly relate to one and be automatically positioned projector and automatic positioning method。
Background technology
In today that projector equipment is universal, projector has been introduced into all trades and professions, school sessions, and company has a meeting, and project is replied, and all needs to use projector under various occasions。And present projector does not have self-calibration function, each projector or screen position to be required for manually being aligned with after being moved, and the situation that picture is crooked often occurs, use comparatively laborious。
Summary of the invention
For existing technological deficiency, the present invention provides one to be automatically positioned projector and automatic positioning method, and projector relies on the light sensor on projection screen from dynamic(al) correction projector position, makes the device that picture can project on projection screen completely, clearly。
In order to achieve the above object, the technical solution adopted in the present invention is as follows: one is automatically positioned projector, including projector fuselage, camera lens, camera adjusting mechanism, light sensor and communication module；Described camera lens is arranged in camera adjusting mechanism, and described camera adjusting mechanism is arranged on projector fuselage；Described camera lens is connected with projector fuselage；Described light sensor is connected with communication module, and communication module is connected with projector fuselage by wireless。
Further described camera adjusting mechanism includes horizontal mobile mechanism, movable mechanism, vertical travel mechanism and lens bracket；Described horizontal mobile mechanism includes moving horizontally guide rail and the first micromachine, and the first micromachine is installed on projector fuselage interior；Move horizontally guide rails assembling in projector front fuselage, be connected with the first micromachine by rack-and-pinion, it is achieved move horizontally；Described movable mechanism includes movable guide rail and the second micromachine；Described second micromachine is installed on fuselage interior, and described movable guide rails assembling, in moving horizontally on guide rail, is connected with the second micromachine by rack-and-pinion, it is achieved movable；Described vertical travel mechanism includes lens bracket and miniature steering wheel, and described miniature steering wheel is installed on movable guide rail；Described lens bracket is installed on the steering wheel of miniature steering wheel, it is possible to follows miniature steering wheel and rotates；Described camera lens is installed on lens bracket；Described first micromachine, miniature steering wheel and the second micromachine are all connected with projector fuselage。
Further, described projector instrument fuselage includes optical texture module, radiating module, governor circuit module, motor control module and wireless communication module；Wherein, described optical texture module, radiating module, motor control module are all connected with governor circuit module with wireless communication module；Described governor circuit module controls image output and regulates motor control signal according to wireless telecommunications information；Described optical texture module is connected with camera lens, the electronic signal of governor circuit module is converted into optical signalling and is projected on projection screen by camera lens；Described radiating module is for body heat radiation；Described wireless communication module is connected with communication module, for the communication between projection screen and projector；Described motor control module is connected with the first micromachine, miniature steering wheel and the second micromachine respectively, moves according to the signal control motor of governor circuit module。
A kind of automatic positioning method utilizing above-mentioned projector, specifically includes following steps:
(1) four light sensors are installed in the corner of projection screen, projector is fixed on the position close to focal length, the front, projection screen center；
(2) projector is started, first camera lens sends four road white lights and points to four summits of rectangle, if light sensor does not receive white light, then the miniature steering wheel of the first micromachine and vertical travel mechanism that motor control module controls horizontal mobile mechanism rotates, carrying out whole audience scanning, concrete grammar is as follows:
(2.1) first being moved by camera lens to most lower left, then vertically travel mechanism moves up camera lens to the top；
(2.2) move right with horizontal mobile mechanism again and again camera lens is moved to bottom with vertical travel mechanism after certain length；
(2.3) step (2.1) and step (2.2) are repeated until there being a light sensor to receive white light or horizontal mobile mechanism arrival rightmost；
(2.4) if horizontal mobile mechanism arrives rightmost still without receiving white light, then utilize movable device to be moved forward by camera lens a segment distance, again repeat step (2.1) and step (2.2)；
(2.5) after having a light sensor to receive white light；
(2.5.1) adjust movable device, make track out, when the light sensor originally receiving white light does not receive again, stop adjusting movable device；
(2.5.2) horizontally moving device and vertical mobile device is utilized to make camera lens adjust by a small margin in level and vertical two directions, until again receiving white light；
(2.6) step (2.5.1) and step (2.5.2) are then repeated until there being two light sensors to receive white light；
(3) after having two light sensors to receive white light, when length-width ratio is constant, rectangular position is determined completely, namely lens location is adjusted, now adjust lens focus, on projector, hot spot can strain big mutually or diminish, and receives illumination intensity according to light sensor and namely can determine whether focal length situation；When light sensor receive intensity of illumination reach maximum time, illustrate that Focussing completes, projector completes the work that is automatically positioned and focuses。
The present invention, compared with background technology, has the beneficial effect that the automatic calibration that can realize projector position, it is not necessary to manually adjust projector before using every time, is easy to use quick, and is automatically positioned accurately simple。
Accompanying drawing explanation
Fig. 1 is the front view of projector of the present invention；
Fig. 2 is the side view of projector of the present invention；
Fig. 3 is the top view of projector of the present invention；
Fig. 4 is the plane graph of projection screen of the present invention；
Wherein: projector fuselage 1, horizontal mobile mechanism 2, vertical travel mechanism 3, camera lens the 4, first micromachine 5, movable mechanism 6, curtain 7, light sensor 8, communication module 9, miniature steering wheel the 10, second micromachine 11。
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated。
As Figure 1-3, the present invention includes projector fuselage 1, camera lens 4, camera adjusting mechanism, light sensor 8 and communication module 9；Described camera lens is arranged in camera adjusting mechanism, and described camera adjusting mechanism is arranged on projector fuselage 1；Described camera lens is connected with projector fuselage 1；Described light sensor 8 is connected with communication module 9, and communication module 9 is connected with projector fuselage 1 by wireless。
Described camera adjusting mechanism includes horizontal mobile mechanism 2, vertical travel mechanism 3, movable mechanism 6 and lens bracket；Described horizontal mobile mechanism 2 includes moving horizontally guide rail and the first micromachine 5, and it is internal that the first micromachine 5 is installed on projector fuselage 1；Move horizontally guide rails assembling in projector fuselage 1 front end, be connected with the first micromachine 5 by rack-and-pinion, it is achieved move horizontally；Described movable mechanism 6 includes movable guide rail and the second micromachine 11；Described second micromachine 11 is installed on fuselage interior, and described movable guide rails assembling, in moving horizontally on guide rail, is connected with the second micromachine 11 by rack-and-pinion, it is achieved movable；Described vertical travel mechanism 3 includes lens bracket and miniature steering wheel 10, and described miniature steering wheel 10 is installed on movable guide rail；Described lens bracket is installed on the steering wheel of miniature steering wheel 10, it is possible to follows miniature steering wheel 10 and rotates；Described camera lens 4 is installed on lens bracket；Described first micromachine 5, miniature steering wheel 10 are all connected with projector fuselage 1 with the second micromachine 11。
Described projector instrument fuselage 1 includes optical texture module, radiating module, governor circuit module, motor control module and wireless communication module；Wherein, described optical texture module, radiating module, motor control module are all connected with governor circuit module with wireless communication module；Described governor circuit module controls image output and regulates motor control signal according to wireless telecommunications information, it is possible to adopts the TQFP100 that Texas Instrument produces, but is not limited to this；Described optical texture module is connected with camera lens 4, the electronic signal of governor circuit module is converted into optical signalling and projects on projection screen by camera lens 4, it is possible to select the 1910-6103W module that Texas Instrument produces, but be not limited to this；Described radiating module is for body heat radiation, it is possible to adopts Taiwan to assist the AD0612HX-H93 type radiator fan of auspiciousness production, but is not limited to this；Described wireless communication module is connected with communication module 9, for the communication between projection screen and projector, it is possible to adopts the NRF24L01 model chip that Risym company produces, but is not limited to this；Described motor control module is connected with the first micromachine 5, miniature steering wheel 10 and the second micromachine 11 respectively, moves according to the signal control motor of governor circuit module, it is possible to adopts ST Microelectronics's L298N control chip, but is not limited to this。
As shown in Figure 4, being respectively mounted four light sensors 8 in the corner of projection screen 7, and be mounted with communication module 9 at top, communication module 9 is inputted by light sensor 8, and output is wirelessly sent to the wireless communication module in projector fuselage 1；Communication module 9 can adopt the NRF24L01 model chip that Risym company produces, but is not limited to this。
The work process of the present invention is as follows:
(1) four light sensors 8 are installed in the corner of projection screen 7, projector is fixed on the position close to focal length, the front, projection screen center；
(2) projector is started, first camera lens 4 sends four road white lights and points to four summits of rectangle, if light sensor 8 does not receive white light, then the miniature steering wheel 10 of the first micromachine 5 and vertical travel mechanism 3 that motor control module controls horizontal mobile mechanism 2 rotates, carrying out whole audience scanning, concrete grammar is as follows:
(2.1) first being moved by camera lens 4 to most lower left, then vertically travel mechanism 3 moves up camera lens 4 to the top；
(2.2) move right with horizontal mobile mechanism 2 again and again camera lens 4 is moved to bottom with vertical travel mechanism 3 after certain length；
(2.3) step (2.1) and step (2.2) are repeated until there being a light sensor 8 to receive white light or horizontal mobile mechanism arrival rightmost；
(2.4) if horizontal mobile mechanism 2 arrives rightmost still without receiving white light, then utilize movable device 6 to be moved forward by camera lens 4 segment distance, again repeat step (2.1) and step (2.2)；
(2.5) after having a light sensor 8 to receive white light；
(2.5.1) adjust movable device 6, move after making camera lens 4, when the light sensor 8 originally receiving white light does not receive again, stop adjusting movable device 6；
(2.5.2) horizontally moving device 2 and vertical mobile device 3 is utilized to make camera lens 4 adjust by a small margin in level and vertical two directions, until again receiving white light；
(2.6) step (2.5.1) and step (2.5.2) are then repeated until there being two light sensors 8 to receive white light；
(3) after having two light sensors 8 to receive white light, when length-width ratio is constant, rectangular position is determined completely, namely camera lens 4 position is adjusted, now adjust camera lens 4 focal length, on projector, hot spot can strain big mutually or diminish, and receives illumination intensity according to light sensor 8 and namely can determine whether focal length situation；When light sensor 8 receive intensity of illumination reach maximum time, illustrate that Focussing completes, projector completes the work that is automatically positioned and focuses, it is possible to begin to use。
Claims (4)
1. one kind is automatically positioned projector, it is characterised in that include projector fuselage, camera lens, camera adjusting mechanism, light sensor and communication module；Described camera lens is arranged in camera adjusting mechanism, and described camera adjusting mechanism is arranged on projector fuselage；Described camera lens is connected with projector fuselage；Described light sensor is connected with communication module, and communication module is connected with projector fuselage by wireless。
2. according to claim 1 it is automatically positioned projector, it is characterised in that described camera adjusting mechanism includes horizontal mobile mechanism, movable mechanism, vertical travel mechanism and lens bracket；Described horizontal mobile mechanism includes moving horizontally guide rail and the first micromachine, and the first micromachine is installed on projector fuselage interior；Move horizontally guide rails assembling in projector front fuselage, be connected with the first micromachine by rack-and-pinion, it is achieved move horizontally；Described movable mechanism includes movable guide rail and the second micromachine；Described second micromachine is installed on fuselage interior, and described movable guide rails assembling, in moving horizontally on guide rail, is connected with the second micromachine by rack-and-pinion, it is achieved movable；Described vertical travel mechanism includes lens bracket and miniature steering wheel, and described miniature steering wheel is installed on movable guide rail；Described lens bracket is installed on the steering wheel of miniature steering wheel, it is possible to follows miniature steering wheel and rotates；Described camera lens is installed on lens bracket；Described first micromachine, miniature steering wheel and the second micromachine are all connected with projector fuselage。
3. according to claim 2 it is automatically positioned projector, it is characterised in that described projector instrument fuselage includes optical texture module, radiating module, governor circuit module, motor control module and wireless communication module；Wherein, described optical texture module, radiating module, motor control module are all connected with governor circuit module with wireless communication module；Described governor circuit module controls image output and regulates motor control signal according to wireless telecommunications information；Described optical texture module is connected with camera lens, the electronic signal of governor circuit module is converted into optical signalling and is projected on projection screen by camera lens；Described radiating module is for body heat radiation；Described wireless communication module is connected with communication module, for the communication between projection screen and projector；Described motor control module is connected with the first micromachine, miniature steering wheel and the second micromachine respectively, moves according to the signal control motor of governor circuit module。
4. the automatic positioning method of the projector utilized described in claim 3, it is characterised in that specifically include following steps:
(1) four light sensors are installed in the corner of projection screen, projector is fixed on the position close to focal length, the front, projection screen center；
(2) projector is started, first camera lens sends four road white lights and points to four summits of rectangle, if light sensor does not receive white light, then the miniature steering wheel of the first micromachine and vertical travel mechanism that motor control module controls horizontal mobile mechanism rotates, carrying out whole audience scanning, concrete grammar is as follows:
(2.1) first being moved by camera lens to most lower left, then vertically travel mechanism moves up camera lens to the top；
(2.2) move right with horizontal mobile mechanism again and again camera lens is moved to bottom with vertical travel mechanism after certain length；
(2.3) step (2.1) and step (2.2) are repeated until there being a light sensor to receive white light or horizontal mobile mechanism arrival rightmost；
(2.4) if horizontal mobile mechanism arrives rightmost still without receiving white light, then utilize movable device to be moved forward by camera lens a segment distance, again repeat step (2.1) and step (2.2)；
(2.5) after having a light sensor to receive white light；
(2.5.1) adjust movable device, make track out, when the light sensor originally receiving white light does not receive again, stop adjusting movable device；
(2.5.2) horizontally moving device and vertical mobile device is utilized to make camera lens adjust by a small margin in level and vertical two directions, until again receiving white light；
(2.6) step (2.5.1) and step (2.5.2) are then repeated until there being two light sensors to receive white light；
(3) after having two light sensors to receive white light, when length-width ratio is constant, rectangular position is determined completely, namely lens location is adjusted, now adjust lens focus, on projector, hot spot can strain big mutually or diminish, and receives illumination intensity according to light sensor and namely can determine whether focal length situation；When light sensor receive intensity of illumination reach maximum time, illustrate that Focussing completes, projector completes the work that is automatically positioned and focuses。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211049.0A CN105700276B (en) | 2016-04-06 | 2016-04-06 | It is automatically positioned projecting apparatus and automatic positioning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211049.0A CN105700276B (en) | 2016-04-06 | 2016-04-06 | It is automatically positioned projecting apparatus and automatic positioning method |
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| Publication Number | Publication Date |
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| CN105700276A true CN105700276A (en) | 2016-06-22 |
| CN105700276B CN105700276B (en) | 2017-11-07 |
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| CN201610211049.0A Expired - Fee Related CN105700276B (en) | 2016-04-06 | 2016-04-06 | It is automatically positioned projecting apparatus and automatic positioning method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087148A (en) * | 2017-06-30 | 2017-08-22 | 合肥久能图文科技有限公司 | A kind of projector monitors self-adjusting system |
| CN108282944A (en) * | 2018-01-22 | 2018-07-13 | 京东方科技集团股份有限公司 | Indoor light adjustment equipment, regulating system and method based on projecting apparatus state |
| CN110312108A (en) * | 2018-03-20 | 2019-10-08 | 深圳光峰科技股份有限公司 | Projected image regulating device and method |
| CN110650325A (en) * | 2018-06-27 | 2020-01-03 | 恩益禧视像设备贸易（深圳）有限公司 | Projector positioning device and positioning method thereof |
| CN110955101A (en) * | 2019-12-16 | 2020-04-03 | 赵兴学 | Camera lens automatically regulated's projection arrangement based on photo resistance |
| CN111479100A (en) * | 2020-04-02 | 2020-07-31 | 深圳臻像科技有限公司 | Calibration method of three-dimensional display system projector |
| CN111948895A (en) * | 2020-09-04 | 2020-11-17 | 王月 | A projection curtain automatic start/stop structure for building teaching |
| CN113055664A (en) * | 2021-04-20 | 2021-06-29 | 峰米(北京)科技有限公司 | Automatic trapezoidal correction system and method for projected image |
| US11945691B2 (en) | 2017-01-31 | 2024-04-02 | Inventio Ag | Elevator with a monitoring arrangement for monitoring an integrity of suspension members |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11945691B2 (en) | 2017-01-31 | 2024-04-02 | Inventio Ag | Elevator with a monitoring arrangement for monitoring an integrity of suspension members |
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| CN108282944A (en) * | 2018-01-22 | 2018-07-13 | 京东方科技集团股份有限公司 | Indoor light adjustment equipment, regulating system and method based on projecting apparatus state |
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| CN110955101A (en) * | 2019-12-16 | 2020-04-03 | 赵兴学 | Camera lens automatically regulated's projection arrangement based on photo resistance |
| CN111479100A (en) * | 2020-04-02 | 2020-07-31 | 深圳臻像科技有限公司 | Calibration method of three-dimensional display system projector |
| CN111948895A (en) * | 2020-09-04 | 2020-11-17 | 王月 | A projection curtain automatic start/stop structure for building teaching |
| CN113055664A (en) * | 2021-04-20 | 2021-06-29 | 峰米(北京)科技有限公司 | Automatic trapezoidal correction system and method for projected image |
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| CN105700276B (en) | 2017-11-07 |
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Granted publication date: 20171107 Termination date: 20190406 |