CN104535051A - Installation positioning method of projector and apparatus thereof - Google Patents
Installation positioning method of projector and apparatus thereof Download PDFInfo
- Publication number
- CN104535051A CN104535051A CN201410718563.4A CN201410718563A CN104535051A CN 104535051 A CN104535051 A CN 104535051A CN 201410718563 A CN201410718563 A CN 201410718563A CN 104535051 A CN104535051 A CN 104535051A
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- Prior art keywords
- orientator
- light beam
- projector
- installation
- parameter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Projection Apparatus (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention is suitable for industrial application technical field, and provides an installation positioning method of a projector and a position indicator. The method comprises the following steps: acquiring installation parameter of the position indicator, performing real-time calculation on a first horizontal project and a second horizontal project angle according to the installation parameter and current position of the position indicator; the position indicator emits a first light beam in real time according to the first horizontal project angle and emits a second light beam according to the second horizontal project angle, so that the installation worker can project the first light beam on an upper boundary of a target projection area by moving the position indicator, and the installation worker can also project the second light beam on a lower boundary of the target projection area; the position indicator vertically and upwardly emits a third light beam, the third light beam forms an incident point on a ceiling, so that the installation worker can install a hoisting rod of the projector onto the incident point. According to the invention, the installation precision of the projector can be ensured, and final projection effect can be guaranteed.
Description
Technical field
The invention belongs to commercial Application technical field, particularly relate to a kind of installation and locating method and device of projector.
Background technology
Along with the development of science and technology, projector has come into daily life gradually, is applied to the various aspects of daily life, the occasions such as such as teaching, meeting, home theater.At present, projector installation in be all by worker stands on very high ladder, adjusted the position of projected picture by mode projector lifted over the top of the head with hand, thus determine the position of mounting hole.
There are the following problems for above-mentioned projector mounting means: workman cannot stably Ju Zhe projector from start to finish, the shake of hand, the rocking when accuracy of range estimation goes up picture mounting hole again, all easily causes the Hoisting Position out of true of projector, have impact on final drop shadow effect.
Summary of the invention
The object of the embodiment of the present invention is the installation and locating method providing a kind of projector, is intended to solve existing projector localization method and easily causes the coarse problem of the Hoisting Position of projector.
The embodiment of the present invention is achieved in that a kind of installation and locating method of projector, comprising:
Orientator obtains installation parameter, and described installation parameter comprises the length h of projector's vertical loading board, the first horizontal direction angle α of described projector the top ray
1, and the second horizontal direction angle α of described projector bottom ray
2;
Described orientator calculates the first horizontal projection angle degree β in real time according to the current location of described installation parameter and described orientator
1with the second horizontal projection angle degree β
2, described β
1pass through
calculate, described β
2pass through
calculate, wherein, described d
1for described orientator is to the vertical range of ceiling, described d
2for described orientator is to the horizontal range of target projection plane;
Described orientator is according to described β
1real time emission first light beam, according to described β
2real time emission second light beam, passes through mobile described orientator, by described first beam projection in the coboundary in target projection region, by the lower boundary of described second beam projection in described target projection region to make installation personnel;
The 3rd light beam launched vertically upward by described orientator, and described 3rd light beam forms incident point on described ceiling, to make installation personnel, described projector vertical loading board is arranged on described incident point.
Another object of the embodiment of the present invention is to provide a kind of orientator, and described orientator comprises:
Acquiring unit, for obtaining installation parameter, described installation parameter comprises the length h of projector's vertical loading board, the first horizontal direction angle α of described projector the top ray
1, and the second horizontal direction angle α of described projector bottom ray
2;
Computing unit, for calculating the first horizontal projection angle degree β in real time according to the current location of described installation parameter and described orientator
1with the second horizontal projection angle degree β
2, described β
1pass through
calculate, described β
2pass through
calculate, wherein, described d
1for described orientator is to the vertical range of ceiling, described d
2for described orientator is to the horizontal range of target projection plane;
First transmitter unit, for according to described β
1real time emission first light beam, according to described β
2real time emission second light beam, passes through mobile described orientator, by described first beam projection in the coboundary in target projection region, by the lower boundary of described second beam projection in described target projection region to make installation personnel;
Second transmitter unit, for launching the 3rd light beam vertically upward, described 3rd light beam forms incident point on described ceiling, to make installation personnel, described projector vertical loading board is arranged on described incident point.
In the embodiment of the present invention, based on installation parameter and the orientator real time position in space of projector, two light beams are projected by orientator, to make installation personnel by running fix instrument, two light beams are made just to be incident upon on the up-and-down boundary of projector's target projection position, thus the installation site of projector is determined in the incident point of light beam on ceiling now can launched vertically upward according to orientator, ensure that the installation accuracy of projector, ensure that final drop shadow effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of projector's installation scene that the embodiment of the present invention provides;
Fig. 2 is the realization flow figure of the installation and locating method of the projector that the embodiment of the present invention provides;
Fig. 3 is the specific implementation process flow diagram of the installation and locating method S202 of the projector that the embodiment of the present invention provides;
Fig. 4 is the structural representation under the orientator laser beam emitting device original state that provides of the embodiment of the present invention;
Fig. 5 is the structural representation under the orientator laser beam emitting device duty that provides of the embodiment of the present invention;
Fig. 6 is the software architecture diagram of the orientator that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention utilizes orientator to assist the installation site determining projector, based on installation parameter and the orientator real time position in space of projector, two light beams are projected by orientator, to make installation personnel by running fix instrument, two light beams are made just to be incident upon on the up-and-down boundary of projector's target projection position, thus the installation site of projector is determined in the incident point of light beam on ceiling now can launched vertically upward according to orientator, ensure that the installation accuracy of projector, ensure that final drop shadow effect.
Below in conjunction with the projector shown in Fig. 1, scene schematic diagram is installed, the installation and locating method of the projector that the embodiment of the present invention provides is described in detail.Fig. 1 to show in an installing space (such as, parlor, meeting room, classroom, etc.) spatial relation of orientator 11, wherein, target projection region 12 is positioned on a vertical plane 13, and target projection region 12 is pre-determined by installation personnel in the position of this vertical plane 13, and final installation targets is: orient mounting hole by orientator 11, be installed on this mounting hole by the vertical loading board 15 of projector 14, the picture finally projected out to make projector 14 can fall among target projection region 12 exactly.
Fig. 2 shows the realization flow of the installation and locating method of the projector that the embodiment of the present invention provides, and details are as follows:
In S201, orientator obtains installation parameter, and described installation parameter comprises the length h of projector's vertical loading board, the first horizontal direction angle α of described projector the top ray
1, and the second horizontal direction angle α of described projector bottom ray
2.
Above-mentioned installation parameter immobilizes, and wherein, the length h of projector's vertical loading board as shown in Figure 1, is equivalent to projector after being installed to ceiling, and ceiling is to the vertical range of projector, and the first horizontal direction angle α of projector's the top ray
1, and the second horizontal direction angle α of described projector bottom ray
2as in Fig. 1 indicate.Above-mentioned parameter based on projector model and determine, wherein, the length h of projector's vertical loading board by the parameter acquiring of dispatching from the factory of projector, or can be obtained by actual measurement; First horizontal direction angle α
1and the second horizontal direction angle α of described projector bottom ray
2by the parameter acquiring of dispatching from the factory of projector, or can be obtained by the focal length reckoning of projector.
It should be noted that, under the non-level installation scene of ceiling, the first horizontal direction angle α
1and the second horizontal direction angle α
2also need the angle number of degrees adding that ceiling and horizontal line are, can be directed in orientator and use.
In S201, above-mentioned installation parameter can be input in orientator, to make orientator get above-mentioned installation parameter, for follow-up computation process.
In S202, described orientator calculates the first horizontal projection angle degree β in real time according to the current location of described installation parameter and described orientator
1with the second horizontal projection angle degree β
2, described β
1pass through
calculate, described β
2pass through
calculate, wherein, described d
1for described orientator is to the vertical range of ceiling, described d
2for described orientator is to the horizontal range of target projection plane.
As shown in Figure 3, S202 is specially:
In S301, described orientator obtains current location parameter, and described current location parameter comprises described d
1with described d
2.
In the present embodiment, current location parameter, for showing the position relationship of orientator in Fig. 1 11 and ceiling 15 and place, target projection region 12 vertical plane 13, comprises the vertical range d of the orientator 11 as indicated in Fig. 1 to ceiling
1, and orientator 11 is to the horizontal range d of target projection plane (i.e. place, target projection region 12 vertical plane 13)
2.
As one embodiment of the present of invention, d
1and d
2can be obtained by hand dipping.
As another embodiment of the present invention, can ultrasonic distance sensor be set in orientator, utilizes ultrasonic echo range measurement principle, measure described d
1with described d
2, to improve the installation effectiveness of projector.
In S302, described orientator calculates described β in real time according to described installation parameter and described current location parameter
1with described β
2.
Based on the current location parameter obtained in the installation parameter inputted in S201 and S301, orientator can calculate the first horizontal projection angle degree β as indicated in Fig. 1 respectively
1with the second horizontal projection angle degree β
2, and along with the change of orientator position, the first horizontal projection angle degree β
1with the second horizontal projection angle degree β
2also can change in real time, therefore, the computation process of S302 is continual, real-time.
In S203, described orientator is according to described β
1real time emission first light beam, according to described β
2real time emission second light beam, passes through mobile described orientator, by described first beam projection in the coboundary in target projection region, by the lower boundary of described second beam projection in described target projection region to make installation personnel.
Based on the first horizontal projection angle degree β that S202 calculates
1with the second horizontal projection angle degree β
2, orientator launches the first light beam and the second light beam respectively, due to the change in location along with orientator, and the first horizontal projection angle degree β
1with the second horizontal projection angle degree β
2also be real-time change, therefore, the first light beam that orientator is launched and the second light beam incident point dropped on vertical plane 13 are also real-time change, thus one, installation personnel can pass through running fix instrument, constantly adjust the first light beam and the incident point of the second light beam on vertical plane 13, finally make the first light beam projecting in the coboundary in target projection region, the second light beam projecting is at the lower boundary in target projection region.
In S204, the 3rd light beam launched vertically upward by described orientator, and described 3rd light beam forms incident point on described ceiling, to make installation personnel, described projector vertical loading board is arranged on described incident point.
While orientator projects the first light beam and the second light beam, or, after the first light beam and the second light beam are projected on the coboundary in target projection region and lower boundary respectively, the 3rd light beam launched vertically upward by orientator, thus make the 3rd light beam form incident point on ceiling, so, as shown in Figure 1, the vertical loading board 15 of projector 14 is installed on this incident point, can match with target projection region up-and-down boundary at the up-and-down boundary of the view field that vertical plane 13 produces when projector 14 works, therefore, this incident point is the installation site of projector's vertical loading board.
By embodiment illustrated in fig. 2, installation personnel only needs running fix instrument, can realize the location to projector's vertical loading board mounting hole, realizes mounting hole location without the need to Shou Ju projector, avoid the impact because hand shake brings installation accuracy, determine the drop shadow effect of final projector.
As one embodiment of the present of invention, described first light beam, described second light beam and described 3rd light beam are launched by infrared transmitter.
As another embodiment of the present invention, described first light beam, described second light beam and described 3rd light beam are launched by laser instrument.
Because the first light beam and the second light beam are while transmitting, orientator also needs the emission angle adjusting this twice light beam, can be realized the adjustment of this twice beam angle by principle of reflection.For laser instrument Emission Lasers light beam, Fig. 4 shows the part-structure schematic diagram of orientator inner laser emitter, as shown in Figure 4, this device includes the first generating laser 41, first catoptron 42, second generating laser 43, second catoptron 44 and the 3rd generating laser 45.Wherein, the laser that the first generating laser 41 is launched outwards is launched by the reflection of the first catoptron 42, and the laser that the second generating laser 43 is launched outwards is launched by the reflection of the second catoptron 44.In an initial condition, as shown in Figure 4, the first generating laser 41 and the second generating laser 43 laser beam equality of launching through respective catoptron is in ground.Under the duty of orientator, calculate the first horizontal projection angle degree β
1with the second horizontal projection angle degree β
2afterwards, according to principle of reflection, under illustrated scene, two catoptrons turn clockwise β respectively
1/ 2 and β
2/ 2 angles, launch the laser beam of orientator thus respectively horizontal by β
1and β
2angle.And as a kind of implementation, for launching the position of the 3rd generating laser 45 of the 3rd light beam as shown in Figure 4 and Figure 5, this position demand fulfillment: the position of the reflection angle that its transmitting site produces on the mirror closest to laser beam, and the light that the 3rd generating laser 45 is launched is not blocked by catoptron.
Fig. 4 and Fig. 5 shows the laser beam emitting device structure being realized the first light beam and the second beam emissions by principle of reflection, it is contemplated that, except the laser beam emitting device shown in Fig. 4 and Fig. 5, also can directly control generating laser by devices such as stepper motors rotates to horizontal by certain angle, to launch the laser beam in certain level crevice projection angle.
It should be noted that, position difference between the launching site three of the first light beam reflected in the present embodiment Fig. 4 and Fig. 5 and the reflection spot of the second light beam and the 3rd light beam is negligible, that is, the position difference between three is little to be overlapped to being defaulted as this three.
Corresponding to Fig. 1 of the present invention to embodiment illustrated in fig. 5, Fig. 6 shows the software architecture diagram of the orientator that the embodiment of the present invention provides.For convenience of explanation, illustrate only part related to the present embodiment.
With reference to Fig. 6, this orientator comprises:
Acquiring unit 61, obtain installation parameter, described installation parameter comprises the length h of projector's vertical loading board, the first horizontal direction angle α of described projector the top ray
1, and the second horizontal direction angle α of described projector bottom ray
2.
Computing unit 62, the current location according to described installation parameter and described orientator calculates the first horizontal projection angle degree β in real time
1with the second horizontal projection angle degree β
2, described β
1pass through
calculate, described β
2pass through
calculate, wherein, described d
1for described orientator is to the vertical range of ceiling, described d
2for described orientator is to the horizontal range of target projection plane.
First transmitter unit 63, according to described β
1real time emission first light beam, according to described β
2real time emission second light beam, passes through mobile described orientator, by described first beam projection in the coboundary in target projection region, by the lower boundary of described second beam projection in described target projection region to make installation personnel.
Second transmitter unit 64, launch the 3rd light beam vertically upward, described 3rd light beam forms incident point on described ceiling, to make installation personnel, described projector vertical loading board is arranged on described incident point.
Alternatively, described computing unit 62 comprises:
Obtain subelement, obtain current location parameter, described current location parameter comprises described d
1with described d
2.
Computation subunit, calculates described β in real time according to described installation parameter and described current location parameter
1with described β
2.
Alternatively, described acquisition subelement specifically for:
By d described in ultrasonic distance sensor measurement
1with described d
2.
Alternatively, described first light beam, described second light beam and described 3rd light beam are launched by infrared transmitter.
Alternatively, described first light beam, described second light beam and described 3rd light beam are launched by laser instrument.
The embodiment of the present invention utilizes orientator to assist the installation site determining projector, based on installation parameter and the orientator real time position in space of projector, two light beams are projected by orientator, to make installation personnel by running fix instrument, two light beams are made just to be incident upon on the up-and-down boundary of projector's target projection position, thus the installation site of projector is determined in the incident point of light beam on ceiling now can launched vertically upward according to orientator, ensure that the installation accuracy of projector, ensure that final drop shadow effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an installation and locating method for projector, is characterized in that, described method comprises:
Orientator obtains installation parameter, and described installation parameter comprises the length h of projector's vertical loading board, the first horizontal direction angle α of described projector the top ray
1, and the second horizontal direction angle α of described projector bottom ray
2;
Described orientator calculates the first horizontal projection angle degree β in real time according to the current location of described installation parameter and described orientator
1with the second horizontal projection angle degree β
2, described β
1pass through
calculate, described β
2pass through
calculate, wherein, described d
1for described orientator is to the vertical range of ceiling, described d
2for described orientator is to the horizontal range of target projection plane;
Described orientator is according to described β
1real time emission first light beam, according to described β
2real time emission second light beam, passes through mobile described orientator, by described first beam projection in the coboundary in target projection region, by the lower boundary of described second beam projection in described target projection region to make installation personnel;
The 3rd light beam launched vertically upward by described orientator, and described 3rd light beam forms incident point on described ceiling, to make installation personnel, described projector vertical loading board is arranged on described incident point.
2. the method for claim 1, is characterized in that, described orientator calculates the first horizontal projection angle degree β in real time according to the current location of described installation parameter and described orientator
1with the second horizontal projection angle degree β
2comprise:
Described orientator obtains current location parameter, and described current location parameter comprises described d
1with described d
2;
Described orientator calculates described β in real time according to described installation parameter and described current location parameter
1with described β
2.
3. method as claimed in claim 2, is characterized in that, described orientator obtains current location parameter and comprises:
Described orientator is by d described in ultrasonic distance sensor measurement
1with described d
2.
4. the method as described in any one of claim 1-3, is characterized in that, described first light beam, described second light beam and described 3rd light beam are launched by infrared transmitter.
5. the method as described in any one of claim 1-3, is characterized in that, described first light beam, described second light beam and described 3rd light beam are launched by laser instrument.
6. an orientator, is characterized in that, described orientator comprises:
Acquiring unit, for obtaining installation parameter, described installation parameter comprises the length h of projector's vertical loading board, the first horizontal direction angle α of described projector the top ray
1, and the second horizontal direction angle α of described projector bottom ray
2;
Computing unit, for calculating the first horizontal projection angle degree β in real time according to the current location of described installation parameter and described orientator
1with the second horizontal projection angle degree β
2, described β
1pass through
calculate, described β
2pass through
calculate, wherein, described d
1for described orientator is to the vertical range of ceiling, described d
2for described orientator is to the horizontal range of target projection plane;
First transmitter unit, for according to described β
1real time emission first light beam, according to described β
2real time emission second light beam, passes through mobile described orientator, by described first beam projection in the coboundary in target projection region, by the lower boundary of described second beam projection in described target projection region to make installation personnel;
Second transmitter unit, for launching the 3rd light beam vertically upward, described 3rd light beam forms incident point on described ceiling, to make installation personnel, described projector vertical loading board is arranged on described incident point.
7. orientator as claimed in claim 6, it is characterized in that, described computing unit comprises:
Obtain subelement, for obtaining current location parameter, described current location parameter comprises described d
1with described d
2;
Computation subunit, for calculating described β in real time according to described installation parameter and described current location parameter
1with described β
2.
8. orientator as claimed in claim 7, is characterized in that, described acquisition subelement specifically for:
By d described in ultrasonic distance sensor measurement
1with described d
2.
9. the orientator as described in any one of claim 6-8, is characterized in that, described first light beam, described second light beam and described 3rd light beam are launched by infrared transmitter.
10. the orientator as described in any one of claim 6-8, is characterized in that, described first light beam, described second light beam and described 3rd light beam are launched by laser instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718563.4A CN104535051B (en) | 2014-12-01 | 2014-12-01 | The installation and locating method and device of a kind of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718563.4A CN104535051B (en) | 2014-12-01 | 2014-12-01 | The installation and locating method and device of a kind of projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104535051A true CN104535051A (en) | 2015-04-22 |
| CN104535051B CN104535051B (en) | 2017-12-26 |
Family
ID=52850626
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|---|---|---|---|
| CN201410718563.4A Active CN104535051B (en) | 2014-12-01 | 2014-12-01 | The installation and locating method and device of a kind of projector |
Country Status (1)
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| CN105807544A (en) * | 2016-05-25 | 2016-07-27 | 海信集团有限公司 | Projector positioning and installing method and device |
| WO2017107969A1 (en) * | 2015-12-24 | 2017-06-29 | 深圳市绎立锐光科技开发有限公司 | Projection device, projection system, and calibration method therefor |
| CN113280985A (en) * | 2021-05-24 | 2021-08-20 | 上海奋为船舶技术有限公司 | Ship watertight cabin sealing performance detection system and detection method |
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| CN113280985A (en) * | 2021-05-24 | 2021-08-20 | 上海奋为船舶技术有限公司 | Ship watertight cabin sealing performance detection system and detection method |
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| CN104535051B (en) | 2017-12-26 |
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