CN106644411A - Testing device and method for optical data of projector - Google Patents
Testing device and method for optical data of projector Download PDFInfo
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- CN106644411A CN106644411A CN201611208695.8A CN201611208695A CN106644411A CN 106644411 A CN106644411 A CN 106644411A CN 201611208695 A CN201611208695 A CN 201611208695A CN 106644411 A CN106644411 A CN 106644411A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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Abstract
The invention discloses a testing device and method for optical data of a projector, and the device comprises a shading box body and a testing graphic card for the projector. The testing graphic card is provided with a color block region. One end of the shading box body is used for installing a tested projector, and the other end of the shading box body is provided with a transmission mechanism which enables an illuminometer to be moved to a test position. The transmission mechanism comprises a driving gear disposed at the central position, and a plurality of planetary gears are connected nearby the driving gear. Each planetary gear is connected with a driven gear, and the driven gears are disposed in a chute on a transmission board. The driving gear and each driven gear are respectively provided with one illuminometer. The driving gear rotates to drive the planetary gears to rotate, and the difference of the moving speed of each illuminometer in the chute is compensated through the transmission ratio of the linear speed and the angular speed between the driving gears and the planetary gears. The illuminometers are controlled to move to the tested position. The device is high in testing efficiency and accuracy, is wide in application range, and can improve the production quality and efficiency of the projector.
Description
Technical field
The present invention relates to the technical field of performance test of projector, and in particular to a kind of test dress of projector optical data
Put and its method of testing.
Background technology
With the development of shadow casting technique, projector, scialyscope is also called, is increasingly widely applied, projector is made
Equipment on image or VIDEO PROJECTION to curtain can be passed through the different same computer of interface, VCD (Video for a kind of
Compact Disc, video and audio CD disc), DVD (digital versatile disc), BD (Blu-ray Disc, Blu-ray Disc), game machine,
DV (Digital Video, DV) etc. is connected, to play corresponding video signal；Projector extensively should
For family, office, school and public place of entertainment, it is different according to working method, is divided into CRT and (uses cathode-ray picture tube
Color video monitor), LCD (Liquid Crystal Display, liquid crystal display), DLP (Digital Light
Procession, digital optical processing) etc. different type；Projector in process of production, in order to ensure product quality, is needed to throwing
The optical data of shadow instrument is tested.
The optical data test job of existing projector, the more illumination meter by being fixed using several positions are right respectively
Several (such as nine) test points in projector imaging are tested, and it is fixed due to the position of illumination meter, so one
Denier is changed and is test for projector, then the test instrunment cannot be suitable for, and cause there is a problem of that versatility is poor；And it needs
By manually to the position of illumination meter being adjusted fixation, cause to ask accuracy, degree of accuracy and testing efficiency are relatively low
Topic, so as to reduce the quality of production and production efficiency of projector；Further, since some projectors adopt LED light source, LED light source
Cause the characteristic of brightness decay with the rising of working time and temperature, and adopt the illumination meter that position is fixed to the projection
When instrument is tested, more cause the problem of the accuracy of test so that the test mode scope of application is restricted.
The content of the invention
The invention provides the test device and its method of testing of a kind of projector optical data, to solve existing projection
Versatility existing for instrument optical data test equipment and method of testing is poor, testing efficiency and accuracy is low and the scope of application is received
The problems such as restriction.
According to an aspect of the invention, there is provided a kind of test device of projector optical data, including shading casing
With the test pattern for projector, color block areas are provided with test pattern, one end of shading casing is to install quilt
Test projector, it is characterised in that the other end of shading casing is provided with the drive mechanism that illumination meter is moved to test position；
Drive mechanism includes centrally-disposed master gear, several planetary gears is connected with around master gear, often
Individual planetary gear is connected with one from gear, from the chute that gear is arranged on driver plate；Master gear is with each from gear
On be respectively arranged with an illumination meter；
Master gear drives planetary gear when rotating, and is exported by the gear ratio of the linear velocity between the two gear and angular velocity
To compensate the difference of illumination meter translational speed in chute, control illumination meter moves to tested position.
According to another aspect of the present invention, there is provided a kind of method of testing of projector optical data, it is adopted such as this
The test device of the projector optical data that the one side of invention is provided, comprises the following steps：
Tested projector is arranged on into one end of shading casing；
Drive mechanism is arranged on into the other end of shading casing；
Test pattern is placed on the lantern slide placement location of tested projector；
According to the position of the test point of required test, rotate master gear, to drive planetary gear, by the two gear it
Between the gear ratio of linear velocity and angular velocity export to compensate the difference of illumination meter translational speed in chute, control illumination meter is moved
Move tested position；
The reading of illumination meter is read, is compared with illuminance testing standard value, if the reading of illumination meter is more than illuminance
Testing standard value, then test result is qualified, and otherwise test result is unqualified.
The invention has the beneficial effects as follows：The test device of this projector optical data of one aspect of the present invention, it is first
First, it is by several transportable illumination meters and is provided with the test pattern of color block areas testing the brightness of projector
Uniformity, chromaticity coordinates and projected picture bad pixel, it equally can shine after projector is changed by the way that adjustment is moveable
The position of degree meter, realizes testing the optical data of the projector after replacing, to solve existing projector optical data
The poor problem of versatility existing for test equipment and method of testing, its versatility is good, easy to use, practical；
Secondly, it passes through the set master gear in center of drive mechanism, drives the planetary gear around master gear,
Due to each planetary gear again be provided with illumination meter, be arranged on being connected from gear in chute, so as to pass through gear it
Between the gear ratio of linear velocity and angular velocity export to compensate the difference of illumination meter translational speed in chute, control illumination meter is accurate
Tested position really is moved to, with the test for solving existing projector optical data test equipment and existing for method of testing
The low problem of efficiency and test accuracy, its high degree of automation, test error is little, greatly improves testing efficiency and test is accurate
Degree；
Again, it also can carry out offer test by changing the illumination meter of different sensitivity for different testing standards,
And controllable moving direction can also be increased by increasing from gear, so as to increase test point, to solve existing projector
The restricted problem of the scope of application existing for optical data test equipment and method of testing, it can be wanted suitable for various tests
Ask, and the concrete structure of its drive mechanism is easy on the design concept basis of the present invention, is entered according to concrete test request
Accommodation of going is adjusted such that it is able to preferably adapt to the test of projector optical data under different situations, advantageously in guarantee throwing
The quality of production of shadow instrument, improves the market competitiveness.
The method of testing of this projector optical data of another aspect of the present invention, first, it passes through using such as this
The test device of the projector optical data described in invention on one side, it is possible to increase test work is carried out to projector optical data
The automaticity of work, improves testing efficiency, so as to improve the production efficiency of projector；Secondly, this projector of the present invention
The method of testing of optical data, it compensates illumination meter and is sliding by the gear ratio output of the linear velocity between gear and angular velocity
The difference of translational speed in groove, can control illumination meter and be shifted exactly to tested position such that it is able to be fast and effeciently right
The optical data of projector is tested, and is further conducive to improving testing efficiency and test effect；Again, the present invention's is this
The method of testing of projector optical data, it passes through to read the reading of illumination meter, and compares with illuminance testing standard value, from
And also offer test can be carried out for different testing standards by changing the illumination meter of different sensitivity, its is applied widely
It is general, disclosure satisfy that projector variation production and the needs for detecting.
Description of the drawings
Fig. 1 is a kind of structural representation of the test device of projector optical data of one embodiment of the invention；
Fig. 2 is a kind of top view of the test device of projector optical data of one embodiment of the invention；
Fig. 3 is a kind of side view of the test device of projector optical data of one embodiment of the invention；
Fig. 4 is that a kind of structure of the drive mechanism of the test device of projector optical data of one embodiment of the invention is shown
It is intended to；
Fig. 5 is a kind of vertical view of the drive mechanism of the test device of projector optical data of one embodiment of the invention
Figure；
Fig. 6 is a kind of signal of the test pattern of the test device of projector optical data of one embodiment of the invention
Figure.
Specific embodiment
A kind of prior art tested the optical data of projector is：By the photograph fixed using several positions
Degree meter is tested several (such as nine) test points in projector imaging respectively, and it is consolidated due to the position of illumination meter
Fixed, once being test for projector so changing, then the test instrunment cannot be suitable for, and cause to exist that versatility is poor to ask
Topic；And it needs, by manually to the position of illumination meter being adjusted fixation, to cause to be imitated in accuracy, degree of accuracy and test
The relatively low problem of rate, so as to reduce the quality of production and production efficiency of projector；Further, since some projectors adopt LED light
Source, LED light source has as the rising of working time and temperature causes the characteristic of brightness decay, and adopts the illumination of position fixation
When meter is tested the projector, more cause the problem of the accuracy of test so that the test mode scope of application
It is restricted.
The present invention design concept be：For the versatility existing for existing projector optical data test mode compared with
Difference, test accuracy and the problems such as testing efficiency is relatively low and the scope of application is restricted, the present invention adopts a set of high degree of automation
Test device complete the test of above-mentioned projector optical data, so as to reduce Human disturbance factor, improve testing efficiency and survey
Examination accuracy；In addition, technical scheme is by adopting drive mechanism, using the linear velocity between gear and angular velocity
Gear ratio exports to compensate the difference of illumination meter translational speed in chute, can control illumination meter be shifted exactly to it is tested
Position such that it is able to fast and effeciently the optical data of projector is tested, so as to further improve test efficiency and
Accuracy, meanwhile, improve the versatility of test mode；Additionally, technical scheme can be by the replacing to illumination meter
Different testing requirements are met with the accommodation to drive mechanism concrete structure, its is applied widely, can effectively ensure that projection
The quality of production and production efficiency of instrument.
Embodiment one
Fig. 1 is a kind of structural representation of the test device of projector optical data of one embodiment of the invention；Fig. 2 is
A kind of top view of the test device of the projector optical data of one embodiment of the invention；Fig. 3 is one embodiment of the invention
A kind of projector optical data test device side view；Fig. 4 is a kind of projector optical of one embodiment of the invention
The structural representation of the drive mechanism of the test device of data；Fig. 5 is a kind of projector optical number of one embodiment of the invention
According to test device drive mechanism top view；
Referring to Fig. 1 to Fig. 5, the test device of the projector optical data, including shading casing 1 and for projector
Test pattern 2, be provided with color block areas on test pattern 2, one end of shading casing 1 hides to install tested projector 3
The other end of light casing 1 is provided with the drive mechanism 4 that illumination meter 5 is moved to test position；
Drive mechanism 4 includes centrally-disposed master gear 401, and several planets are connected with around master gear 401
Gear 402, each planetary gear 402 is connected with one from gear 403, and from gear 403 chute on driver plate 404 is arranged on
In 405；Master gear 401 is respectively arranged with an illumination meter 5 from gear 403 with each；
Planetary gear 402 is driven when master gear 401 is rotated, by the transmission of the linear velocity between the two gear and angular velocity
The difference of the translational speed in chute 405 of illumination meter 5 is compensated than exporting, control illumination meter 5 moves to tested position.
It can be seen that, the test device of the projector optical data of the present embodiment by some moveable illumination meters 5 and sets
It is equipped with the test pattern 2 of color block areas to test brightness uniformity, chromaticity coordinates and the projected picture bad picture of tested projector 3
Vegetarian refreshments, after tested projector 3 is changed, can equally pass through the mobile position that adjust illumination meter 5, to replacing after tested trial throw
The optical data of shadow instrument 3 is tested, and its versatility is good, practical；It passes through the linear velocity and angular velocity between gear
Gear ratio exports to compensate the difference of the translational speed in chute of illumination meter 5, and control illumination meter 5 is shifted exactly to tested position
Put, high degree of automation, test error is little, improve testing efficiency and test accuracy；The concrete structure of its drive mechanism 4 can be with
On the design concept basis of the present invention, flexible adjustment is carried out according to concrete test request, for example, increase planetary gear 402
With the quantity from gear 403, preferably to adapt to the test of the optical data of tested projector 3 under different situations, more protect
The quality of production of card projector, improves the market competitiveness.
It should be noted that controllable moving direction can be increased from the quantity of gear 403 by increasing, so as to increase
Plus test point, to need suitable for the test of different situations.The edge of driver plate 404 and the side of shading casing 1 can be divided
Corresponding bolt hole is not set, and the two can be interfixed by arranging screw in bolt hole, such as driver plate 404 sets
Be set to rectangle, shading casing 1 is arranged to the lateral cross section rectangle consistent with driver plate 404, then can be at the edge of driver plate 404
Bolt hole is respectively provided with four angles at place, while being also respectively provided with four angles of the side of shading casing 1 corresponding
Bolt hole, then interfixes the two by arranging screw in bolt hole.Can be with the exterior lateral sides of shading casing 1
Handle is set, is moved to take in order to move to it.
Embodiment two
It is specific implementation institute of the emphasis to the drive mechanism of the test device of projector optical data in the present embodiment
The explanation done, other embodiment of the other guide referring to the present invention.
Referring to Fig. 1, Fig. 3 to Fig. 5, it surround around master gear 401 and is connected with eight planetary gears 402；
Chute 405 is set to " rice " font, and master gear 401 is arranged on the center position of the chute 405 of " rice " font, often
It is individual to be separately positioned in branch's chute of the chute 405 of " rice " font from gear 403.
It should be noted that eight planetary gears 402 are connected to one and include from gear 403, the i.e. drive mechanism 4
Eight be separately positioned in branch's chute of the chute 405 of " rice " font from gear 403, then a master gear 401 and eight
An illumination meter 5 is respectively arranged with from gear 403, that is, has nine illumination meters 5 such that it is able to realized to tested projector
The test job of nine test points on 3 its perspective plane, and the position of nine test points can according to test needs be changed,
After test point is changed, it is only necessary to by rotating master gear 401, drive planetary gear 402 to drive again from gear 403 by it, make
Obtain and moved in its corresponding branch's chute from gear 403, can just cause each illumination meter 5 to be moved respectively to corresponding test point
Tested at position, in such manner, it is possible to the versatility and the scope of application of the test device is improved, while its high degree of automation,
Meet the test request of high accuracy.In addition, the shape of chute 405 is with composition and from the quantity of gear, can be according to survey
The needs of examination are changed, the structure of chute 405 of the present embodiment and from the simply schematically citing of the quantity of gear 403, actual
Using when can be not limited to concrete described in the present embodiment according to the condition of practical situation and need to carry out structural adjustment
Structure, as long as the thinking principle of technical scheme can be passed through, solves technical scheme skill to be solved
Art problem, obtains the technique effect acquired by technical scheme.
Embodiment three
It is specific implementation institute of the emphasis to the test pattern of the test device of projector optical data in the present embodiment
The explanation done, other embodiment of the other guide referring to the present invention.
Fig. 6 is a kind of signal of the test pattern of the test device of projector optical data of one embodiment of the invention
Figure；
Referring to Fig. 6, the quantity of color block areas is nine, and nine color block areas L1 to L9 symmetrically line up three rows three
Row；So, can more all-sidedly and accurately to tested projector 3 using nine color block areas for being uniformly and symmetrically distributed arrangement
Optical data is tested, for example, test the parameters such as its illumination uniformity so that test result more science reliability.
It should be noted that color block areas can be the color block areas of a monoblock, such as one piece of full frame solid block of color region,
Can be multiple color block areas arranged evenly on screen；Color block areas can be white, for example, surveyed by nine illumination meters 5
Try the optical datas such as brightness uniformity, the chromaticity coordinates of tested projector 3, it is also possible to shoot by camera and project to tested trial throw
White picture on the curtain of shadow instrument 3, to test projected picture bad pixel；Color block areas can also for redness, green etc. its
His solid block of color region；The particular number and arrangement mode of color block areas, and its color selecting, can be according to tested projection
Parameter that instrument 3 is tested is different, the difference of test request carrying out selection setting, with the needs of more preferable adaptive testing.
Preferably, it is provided with area of the pattern at the position on test pattern 2 in addition to color block areas；In such manner, it is possible to according to
The needs that the different parameters of tested projector 3 are tested, carry out color block areas with the setting of the area of the pattern at external position, with
The optical data of the tested projector 3 of the different projection pictures of test is realized, so as to more fully and effectively test tested trial throw
The items of shadow instrument 3 other optical datas.
Preferably, it is located in shading casing 1 directly over tested projector 3 or is provided with photograph at location directly below
Machine, photographing unit is connected with computer, and image acquisition analysis software is provided with computer, and illuminance testing standard is configured with software
Value；As such, it is possible to pass through photographing unit shoot on the screen of tested projector 3 to the image of area of the pattern imaging, now according to
Camera is arranged on directly over tested projector 3 or at location directly below, and the image captured by it has most reliable reference
Value；Then by this image transmitting to computer, Jing image acquisition analysis software carries out Treatment Analysis, and with the illuminance measuring of configuration
Examination standard value is analyzed, comprehensively, rapidly to draw test result.
Preferably, illumination meter is replaced by the illumination meter 5 of different sensitivity according to different illuminance testing standard values；This
Sample, can be applied to various test requests, beneficial on the design concept basis of the present invention, be entered according to concrete test request
The flexible adjustment of row such that it is able to preferably adapt to the test of the optical data of tested projector 3 under different situations, advantageously
In the quality of production for ensureing projector.
Example IV
Referring to Fig. 1 to Fig. 5, the method for testing of the projector optical data, appointed into embodiment three using such as embodiment one
The test device of the projector optical data of, comprises the following steps：
Tested projector 3 is arranged on into one end of shading casing 1；
Drive mechanism 4 is arranged on into the other end of shading casing 1；
Test pattern 2 is placed on the lantern slide placement location of tested projector 3；
According to the position of the test point of required test, master gear 401 is rotated, to drive planetary gear 402, by the two
Linear velocity between gear exports to compensate the difference of the translational speed in chute 405 of illumination meter 5, control with the gear ratio of angular velocity
Illumination meter processed 5 moves to tested position；
The reading of illumination meter 5 is read, is compared with illuminance testing standard value, if the reading of illumination meter 5 is more than illumination
Degree testing standard value, then test result is qualified, and otherwise test result is unqualified.
It should be noted that can increase from gear 403, to increase controllable moving direction, so as to increase test point,
To need suitable for the test of different situations.
It can be seen that, the method for testing of the projector optical data of the present embodiment, it passes through using if embodiment one is to embodiment
The test device of the projector optical data any one of three, by the linear velocity between gear and the gear ratio of angular velocity
Export to compensate the difference of the translational speed in chute 405 of illumination meter 5, can control illumination meter 5 be shifted exactly to it is tested
Position such that it is able to fast and effeciently test the optical data of tested projector 3, improves to projector optical data
The automaticity of test job is carried out, testing efficiency is improved, so as to improve the production efficiency of projector；Its is applied widely
It is general, disclosure satisfy that projector variation production and the needs for detecting.
Embodiment five
Be emphasis in the present embodiment implements the explanation that step is done to the method for testing of projector optical data, its
The other embodiment of his content referring to the present invention.
Referring to Fig. 1, Fig. 3 to Fig. 6, by surrounding around master gear 401 eight planetary gears 402 are connected with；By chute 405
" rice " font is set to, master gear 401 is arranged on the center position of the chute 405 of " rice " font, and each distinguishes from gear 403
In being arranged on branch's chute of the chute 405 of " rice " font；
The quantity of the color block areas on test pattern 2 is set to into nine, i.e. color block areas L1 to L9, by nine color lump areas
Symmetrically line up the row of three row three in domain；
By color block areas L5 of optical axis and the center of the illumination meter 5 arranged on master gear 401 on projection screen institute into
Image intersect vertically, the intersection point for intersecting vertically be located at image central point；
Rotation master gear 401, to drive planetary gear 402, by the linear velocity between the two gear and the biography of angular velocity
Dynamic ratio exports to compensate the difference of remaining eight translational speed in chute 405 of illumination meter 5, controls remaining 5 points of eight illumination meter
Do not move in branch's chute of the chute 405 of " rice " font, to arrive separately at remaining eight color block areas L1 to L4 and L6 extremely
The center of L9 formed images on projection screen；
The reading of illumination meter 5 is read, is compared with illuminance testing standard value, if the reading of illumination meter 5 is more than illumination
Degree testing standard value, then test result is qualified, and otherwise test result is unqualified.
It should be noted that in the present embodiment, the structure of chute 405 and arrange simply schematic from the quantity of gear 403
Citing, wherein, the shape of chute 405 and constitute and from the quantity of gear 403, can be carried out according to the needs of test
Change, according to the condition of practical situation and can need to carry out structural adjustment during practical application, be not limited to institute in the present embodiment
The concrete structure of description, as long as the thinking principle of technical scheme can be passed through, solves technical scheme institute
The technical problem to be solved, obtains the technique effect acquired by technical scheme.
It can be seen that, the method for testing of the projector optical data of the present embodiment, it can be realized to its throwing of tested projector 3
The test job of nine test points on shadow face, and the position of nine test points can according to test needs be changed, test
After point is changed, it is only necessary to by rotating master gear 401, planetary gear 402 is driven to drive again from gear 403 by it so that from
Gear 403 is moved in its corresponding branch's chute, can just cause each illumination meter 5 to be moved respectively to corresponding test point position
Place is tested, and so as to improve the versatility and the scope of application of the test device, its high degree of automation meets high accuracy
Test request.
Preferably, will area of the pattern be set at the position on test pattern 2 in addition to color block areas；
Photographing unit will be located at directly over tested projector 2 or arranged at location directly below in shading casing 1；
Photographing unit is connected with computer, image acquisition analysis software is installed in computer；Illuminance is provided with software
Testing standard value；
Control photographing unit is taken a picture to area of the pattern, and the image of the area of the pattern of acquisition is collected computer Jing after processing
The illuminance value of image is drawn, the contrast value of the image of area of the pattern is compared with testing standard value, if image is right
It is more than testing standard value than angle value, then test result is qualified, and otherwise test result is unqualified.
In such manner, it is possible to according to the needs tested projector different parameters, carry out color block areas with external position at
The setting of area of the pattern, to realize the optical data of the tested projector 3 for testing different projection pictures, so as to have more comprehensively
Items other optical datas of effect ground test projector；Meanwhile, can be shot on the screen of tested projector 3 by photographing unit
Image to area of the pattern imaging, now photographing unit be arranged on directly over tested projector 3 or at location directly below, its
Captured image has most reliable reference value；Then by this image transmitting to computer, Jing image acquisition analysis softwares are entered
Row Treatment Analysis, and be analyzed with the illuminance testing standard value of configuration, comprehensively, rapidly to draw test result.
Preferably, nine illumination meters 5 are connected with computer, analysis are installed in computer and show software, set in software
It is equipped with illuminance testing standard value；
When reading the reading of illumination meter 5, show software by analysis to show the numerical value of illumination meter, and show illumination meter
The result that compares of numerical value and illuminance testing standard value.
So so that the reading of illumination meter 5 can also pass through in addition to it can manually read and compare with standard value
Analysis in computer shows software to show the numerical value of illumination meter, and the numerical value and illuminance testing standard for showing illumination meter 5
The result that value compares, further improves accuracy, the reliability of testing efficiency and test result.
Presently preferred embodiments of the present invention is these are only, protection scope of the present invention is not intended to limit.It is all at this
Any modification, equivalent substitution and improvements made within bright spirit and principle etc., are all contained in protection scope of the present invention.
Claims (10)
1. a kind of test device of projector optical data, including shading casing and the test pattern for projector, institute
State and be provided with test pattern color block areas, one end of the shading casing is to install tested projector, it is characterised in that
The other end of the shading casing is provided with the drive mechanism that illumination meter is moved to test position；
The drive mechanism includes centrally-disposed master gear, and several planet teeth are connected with around the master gear
Wheel, each described planetary gear is connected with one from gear, described from the chute that gear is arranged on driver plate；The master
Gear and each described in an illumination meter is respectively arranged with from gear；
The master gear drives planetary gear when rotating, and is exported by the gear ratio of the linear velocity between the two gear and angular velocity
To compensate the difference of illumination meter translational speed in the chute, control the illumination meter and move to tested position.
2. the test device of projector optical data as claimed in claim 1, it is characterised in that：Surrounding's ring of the master gear
Around being connected with eight planetary gears；
The chute is set to " rice " font, and the master gear is arranged on the center position of the chute of " rice " font, often
It is separately positioned in branch's chute of the chute of " rice " font from gear described in individual.
3. the test device of projector optical data as claimed in claim 1, it is characterised in that：The quantity of the color block areas
For nine, nine color block areas symmetrically line up the row of three row three.
4. the test device of projector optical data as claimed in claim 1, it is characterised in that：Institute is removed on the test pattern
State and be provided with area of the pattern at the position beyond color block areas.
5. the test device of projector optical data as claimed in claim 4, it is characterised in that：It is located in the shading casing
Photographing unit is provided with directly over the tested projector or at location directly below, the photographing unit is connected with computer, institute
State and be provided with computer image acquisition analysis software, illuminance testing standard value is configured with the software.
6. the test device of the projector optical data as any one of claim 1-5, it is characterised in that the illumination
Meter is replaced by the illumination meter of different sensitivity according to different illuminance testing standard values.
7. a kind of method of testing of projector optical data, it is characterised in that using as any one of claim 1-6
The test device of projector optical data, comprises the following steps：
The tested projector is arranged on into one end of the shading casing；
The drive mechanism is arranged on into the other end of the shading casing；
The test pattern is placed on the lantern slide placement location of the tested projector；
According to the position of the test point of required test, rotate the master gear, to drive planetary gear, by the two gear it
Between the gear ratio of linear velocity and angular velocity export to compensate the difference of illumination meter translational speed in the chute, control
The illumination meter moves to tested position；
The reading of the illumination meter is read, is compared with the illuminance testing standard value, if the reading of the illumination meter is big
In the illuminance testing standard value, then test result is qualified, and otherwise test result is unqualified.
8. the method for testing of projector optical data as claimed in claim 7, it is characterised in that
Eight planetary gears are connected with by surrounding around the master gear；The chute is set to into " rice " font, institute
The center position that master gear is arranged on the chute of " rice " font is stated, " rice " font is separately positioned on from gear described in each
The chute branch's chute in；
The quantity of the color block areas on the test pattern is set to into nine, by nine color block areas symmetrically
Line up the row of three row three；
By the color block areas of the optical axis of the illumination meter arranged on the master gear and center in the projection screen
Upper formed image intersects vertically, and the intersection point for intersecting vertically is located at the central point of described image；
The master gear is rotated, it is defeated with the gear ratio of angular velocity by the linear velocity between the two gear to drive planetary gear
The difference of remaining eight illumination meter translational speed in the chute is out compensated, remaining the eight illumination score are controlled
Do not move in branch's chute of the chute of " rice " font, to arrive separately at remaining eight described color block areas in the throwing
The center of formed image on shadow screen；
The reading of the illumination meter is read, is compared with the illuminance testing standard value, if the reading of the illumination meter is big
In the illuminance testing standard value, then test result is qualified, and otherwise test result is unqualified.
9. the method for testing of projector optical data as claimed in claim 8, it is characterised in that
Will area of the pattern be set at the position on the test pattern in addition to the color block areas；
To be located in the shading casing directly over the tested projector or at location directly below and photographing unit is set；
The photographing unit is connected with computer, image acquisition analysis software is installed in the computer；Arrange in the software
There is illuminance testing standard value；
Control the photographing unit to take a picture the area of the pattern, the image of the area of the pattern of acquisition is collected into computer
The illuminance value of described image is drawn Jing after processing, by the contrast value of the image of the area of the pattern and the test mark
Accurate value compares, if the contrast value of described image is more than the testing standard value, test result be it is qualified, otherwise
Test result is unqualified.
10. the method for testing of projector optical data as claimed in any one of claims 7-9, it is characterised in that
Nine illumination meters are connected with computer, analysis are installed in the computer and are shown software, set in the software
It is equipped with illuminance testing standard value；
When reading the reading of the illumination meter, show software by analysis to show the numerical value of the illumination meter, and show institute
State the result that the numerical value of illumination meter compares with the illuminance testing standard value.
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| CN110177263A (en) * | 2019-05-24 | 2019-08-27 | 峰米(北京)科技有限公司 | Calibration system and method for projector |
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Effective date of registration: 20221118 Address after: 261061 workshop 1, phase III, Geer Photoelectric Industrial Park, 3999 Huixian Road, Yongchun community, Qingchi street, high tech Zone, Weifang City, Shandong Province Applicant after: GoerTek Optical Technology Co.,Ltd. Address before: 266104 Room 308, North Investment Street Service Center, Laoshan District, Qingdao, Shandong. Applicant before: GOERTEK TECHNOLOGY Co.,Ltd. |
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