CN109000888A - A kind of screen alignment system and scaling method - Google Patents
A kind of screen alignment system and scaling method Download PDFInfo
- Publication number
- CN109000888A CN109000888A CN201810615618.7A CN201810615618A CN109000888A CN 109000888 A CN109000888 A CN 109000888A CN 201810615618 A CN201810615618 A CN 201810615618A CN 109000888 A CN109000888 A CN 109000888A
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- Prior art keywords
- screen
- camera
- calibration
- alignment system
- visual
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Classifications
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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
Abstract
The present invention provides a kind of screen alignment system, and applied to the contraposition of screen, including pedestal, pedestal is equipped with straight line mould group and corrects platform；Straight line mould group is equipped with visual-alignment component, and the feed-through assembly below visual-alignment component, and visual-alignment component is for taking pictures to the screen lighted on feed-through assembly；Visual-alignment component includes camera, and is installed in the prism of camera lens front end, and prism is used to adjust the field angle of camera；Platform is corrected for carrying out correction positioning to the screen on the first mounting rack.The present invention also provides a kind of scaling methods, carry out translation calibration by using any planar member with special-shaped pattern and rotation is demarcated, to realize the calibration of camera.The present invention provides a kind of screen alignment system and scaling method, and the screen of various sizes is adapted to by setting left and right prism, ensure that the precision of detection；And the method that calibration is demarcated and rotated by translation demarcates camera, does not use specific scaling board also and can guarantee the precision of detection.
Description
Technical field
The present invention relates to screen detection technique field more particularly to a kind of screen alignment systems and scaling method.
Background technique
It in the manufacturing procedure of screen, needs to detect screen, whether lighting for test screen be normal, and confirmation
With the presence or absence of point, line defect etc..In the process of detection, it is necessary first to first be aligned to screen.
Currently, machinery can be used in the case that screen probe spacing is larger and flush edge during screen contraposition
Positioning, additionally needs to be aligned by the way of visual-alignment.It is accurate in order to ensure testing result, it needs to make visual-alignment
Device can adapt to various sizes of screen, and visual-alignment equipment in the prior art does not adapt to various sizes of screen,
The precision of test is affected to a certain extent；In addition, existing visual-alignment device is needed using specific scaling board to camera
It is demarcated, therefore increases the cost for detecting this link.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the deficiencies of the prior art, provide a kind of screen alignment system and
Scaling method does not adapt to various sizes of screen to solve visual-alignment equipment in the prior art, and needs using specific mark
The problem of fixed board.
To achieve the above object, the present invention provides technical solution below:
A kind of screen alignment system, the detection applied to screen, which is characterized in that including pedestal, the pedestal is equipped with
Straight line mould group, one end that straight line mould group is located on the pedestal, which is equipped with, corrects platform；
Drive chain is connected to the second mounting rack in the straight line mould group, and second mounting rack is equipped with visual-alignment component,
And the feed-through assembly below the visual-alignment component, the visual-alignment component are used for lighting on feed-through assembly
Screen is taken pictures；The visual-alignment component includes camera, and is installed in the prism of the camera lens front end, the rib
Mirror is used to adjust the field angle of the camera；
The correction platform is equipped with the first mounting rack, and first mounting rack is equipped with the positioning group for positioning screen
Part；The correction platform is for carrying out correction positioning to the screen on the first mounting rack.
Preferably, the camera and prism are respectively arranged with two groups.
Preferably, the feed-through assembly is equipped with plug-in and pull-off device, and the plug-in and pull-off device is equipped with probe.
Preferably, the plug-in and pull-off device is equipped with two or more probe location holes, between the probe location hole between
Match away from the spacing with Mark point on the screen.
Preferably, the correction platform is UVW to bit platform, for correcting screen position by way of translating or rotating
It sets.
The present invention also provides a kind of scaling methods, are applied to screen alignment system as described above, by using any
Planar member with special-shaped pattern carries out translation calibration and rotation calibration, to realize the calibration of camera.
Preferably, the translation, which is demarcated, includes:
Into the calibration page of alignment system, the plane body is made to be located at the camera within sweep of the eye；
Calibrating parameters are adjusted, set calibration point in the planar member；
Into translation calibrating procedure, a rectangle frame is drawn in image page；
It moves the scaling board along calibration point, and camera is demarcated according to the motion profile of scaling board；
The rotation is demarcated
Into the calibration page of alignment system, the plane body is made to be located at the camera within sweep of the eye；
Calibrating parameters are adjusted, the center of camera is determined according to pixel；
The scaling board is rotated into predetermined angle by center axis of the axis where the center；
Camera is demarcated according to the motion profile of scaling board described above.
Preferably, the step: the scaling board is rotated using the axis where the center as center axis and is preset
Angle, comprising:
The scaling board is first rotated in a first direction predetermined angle, is then rotated twice along the opposite direction of first direction
Predetermined angle.
Compared with prior art, the invention has the following advantages:
The present invention provides a kind of screen alignment system and scaling method, by setting left and right prism to adapt to various sizes
Screen keeps screen contraposition accurate, ensure that the precision of detection；In addition, by the method for translation calibration and rotation calibration to camera
It is demarcated, not using specific scaling board also during contraposition can guarantee the precision of detection.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of screen alignment system provided by the invention.
In above-mentioned figure: 10, pedestal；11, straight line mould group；12, platform is corrected；13, the first mounting rack；131, backlight；
132, polaroid；133, positioning component；14, visual-alignment component；141, camera；142, camera lens；143, prism；144, the second peace
It shelves.
Specific embodiment
To enable the purpose of the present invention, feature, advantage more obvious and understandable, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that reality disclosed below
Applying example is only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
In the description of the present invention, it is to be understood that, when a component is considered as " connection " another component, it can
To be directly to another component or may be simultaneously present the component being centrally located.When a component is considered as " setting
Set " another component, it, which can be, is set up directly on another component or may be simultaneously present the component being centrally located.
In addition, the indicating positions such as term " length " " short " "inner" "outside" or positional relationship for the orientation that is shown based on attached drawing or
Person's positional relationship is merely for convenience of the description present invention, rather than the device or original part of indication or suggestion meaning must have this
Specific orientation is operated with specific orientation construction, should not be understood as limitation of the invention with this.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one
Referring to FIG. 1, being a kind of structural schematic diagram of screen alignment system provided in an embodiment of the present invention.
The present embodiment provides a kind of screen alignment systems, the contraposition applied to screen, comprising:
Pedestal 10, for being provided a supporting role for system.
Straight line mould group 11, is installed on pedestal 10, for driving visual-alignment component 14 mobile, makes vision pair in contraposition
Hyte part 14 makes visual component far from screen close to screen after the completion of contraposition.
Visual-alignment component 14 is installed in straight line mould group 11, and in straight line mould group 11 for realizing the contraposition to screen；
The lower section of visual-alignment component 14 is equipped with the feed-through assembly 15 for screen to be connected, and the visual component is led to through feed-through assembly 15
Screen after logical is taken pictures, to realize to bit function.
Correct platform 12, be installed on pedestal 10 be located at straight line mould group 11 one end, for screen disposed thereon into
Row corrects positioning, to ensure the precision aligned.
First mounting rack 13 is installed in and corrects on platform 12, for installing backlight 131, polaroid 132, and is used for
The positioning component 133 of positioning screen.
Each mechanism is described in detail respectively below.
In the present embodiment, visual-alignment component 14 includes the second mounting rack 144, which is equipped with phase
Machine 14, and it is installed in the prism 143 of 142 front end of camera lens of camera 14；The prism 143 is used to adjust the field angle of camera 14.
Wherein, camera 14 is equipped with two groups, is equipped with a prism 143 on every group of camera 14, passes through the refraction of left and right prism 143
It acts on to adjust the field angle of camera 14.When wait align screen size it is smaller when, can be by prism 143 by the field angle of camera 14
It turns down, to match with small-size screen；When wait align screen size it is larger when, can be by prism 143 by the view of camera 14
Rink corner tunes up, to ensure that screen is located in the visual field of camera 14.
Therefore, when coping with various sizes of screen, it is only necessary to which the screen alignment system can be made by replacing left and right prism 143
It can adapt to various sizes of screen, the precision detected ensured while improving detection efficiency.
In the present embodiment, feed-through assembly 15 is installed on the second mounting rack 144, and is located under visual-alignment component 14
Side.The feed-through assembly 15 includes plug-in and pull-off device 152, and the probe 151 being installed on plug-in and pull-off device 152, while being connected accordingly
It is connected to power supply, to realize the conducting of screen.
Second mounting rack 144 is equipped with cylinder, and the cylinder is for driving plug-in and pull-off device 152 that the plug of probe 151 is pushed to shield
In the Mark point of curtain, screen is connected or powers off screen.By the way that probe 151 to be inserted into the Mark point of screen, lead screen
It is logical to light, it is whether normal to detect lighting for screen, while being confirmed whether that there are points, line defect and other issues.
Wherein, it is contemplated that probe is usually thinner, easy to damage, often needs to replace, and probe may go out after replacement
The case where existing positional shift.To solve this problem, it is fixed that two or more probes 151 are arranged in the present embodiment on plug-in and pull-off device 152
Position hole, the spacing of Mark point matches in the spacing and screen between 151 location hole of probe.Pass through 151 location hole conduct of probe
Probe 151 is installed in reference position, so that Mark point spacing on interval and screen between probe 151 is matched, to simplify spy
The operating procedure that needle 151 is replaced, while a degree of simplification is also obtained during software set.
In view of there are two the holes Mark on current screen, it is based on this, 151 location hole of probe is set as two.
In the present embodiment, correcting platform 12 is UVW to bit platform, and UVW has planar movement and rotation to bit platform
Function, for carrying out correction positioning to the screen being located on the first mounting rack 13.
UVW is widely used to machinery field to bit platform at present, can be according to the corresponding model of different demands unrestricted choice
And producer.
In the present embodiment, the working principle of the screen alignment system is as follows:
Screen to be aligned is placed on positioning component 133, straight line mould group 11 drives visual-alignment component 14 to close
The direction of screen is mobile, and UVW corrects positioning screen to bit platform, and probe 151 is made to be directed at the Mark point on screen；Plug-in and pull-off device
152 push probe 151 to be inserted into the Mark point of screen, and screen is connected, and are then carried out by visual-alignment component 14 to screen
Contraposition.
Embodiment two
A kind of scaling method is present embodiments provided, there is special-shaped pattern by using any during screen contraposition
Planar member carry out translation calibration and rotation calibration, realize camera 14 calibration, with ensure align result accuracy.
Wherein, translation calibration includes the following steps:
1) the calibration page for entering alignment system, makes the plane body be located at the camera 14 within sweep of the eye；
2) calibrating parameters are adjusted, set calibration point in the planar member；
3) enter translation calibrating procedure, draw a rectangle frame in image page.
4) it moves the scaling board along calibration point, and camera 14 is demarcated according to the motion profile of scaling board.
Specifically, in step 3), when drafting, enters plane body frame in rectangle frame, and the feature in rectangle frame is more complicated, then
Stated accuracy is more stable.
Rotation calibration includes the following steps:
1) the calibration page for entering alignment system, makes the plane body be located at the camera 14 within sweep of the eye；
2) calibrating parameters are adjusted, the center of camera 14 is determined according to pixel；
3) scaling board is rotated into predetermined angle by center axis of the axis where the center；
4) camera 14 is demarcated according to the motion profile of scaling board described above.
Specifically, the step 3) for rotating calibration includes:
The scaling board is first rotated in a first direction predetermined angle, is then rotated twice along the opposite direction of first direction
Predetermined angle.Operation in this way is can be realized more accurate in conjunction with the exercise data so that the motion profile of scaling board is more complicated
Camera 14 is demarcated.
In a wherein specific embodiment, predetermined angle is 20-60 °.
Scaling method provided in this embodiment realizes the calibration of camera 14 by way of rotation calibration and translation calibration,
Higher precision is obtained in the case where not needing specific scaling board, and easy to operate, practicability is high.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of screen alignment system, the detection applied to screen, which is characterized in that including pedestal, the pedestal is equipped with straight
Line mould group, one end that straight line mould group is located on the pedestal, which is equipped with, corrects platform；
Drive chain is connected to the second mounting rack in the straight line mould group, and second mounting rack is equipped with visual-alignment component, and
Feed-through assembly below the visual-alignment component, the visual-alignment component are used for the screen lighted on feed-through assembly
It takes pictures；The visual-alignment component includes camera, and is installed in the prism of the camera lens front end, and the prism is used
In the field angle for adjusting the camera；
The correction platform is equipped with the first mounting rack, and first mounting rack is equipped with the positioning component for positioning screen；
The correction platform is for carrying out correction positioning to the screen on the first mounting rack.
2. screen alignment system according to claim 1, which is characterized in that the camera and prism are respectively arranged with two
Group.
3. screen alignment system according to claim 1, which is characterized in that the feed-through assembly is equipped with plug-in and pull-off device,
The plug-in and pull-off device is equipped with probe.
4. screen alignment system according to claim 3, which is characterized in that the plug-in and pull-off device is equipped with two or more
The spacing of probe location hole, the spacing between the probe location hole and Mark point on the screen matches.
5. screen alignment system according to claim 1, which is characterized in that the correction platform is UVW to bit platform, is used
In correcting screen position by way of translating or rotating.
6. a kind of scaling method, applied to the screen alignment system as described in claim 1 to 5, which is characterized in that by using
Any planar member with special-shaped pattern carries out translation calibration and rotation calibration, to realize the calibration of camera.
7. scaling method according to claim 6, which is characterized in that the translation, which is demarcated, includes:
Into the calibration page of alignment system, the plane body is made to be located at the camera within sweep of the eye；
Calibrating parameters are adjusted, set calibration point in the planar member；
Into translation calibrating procedure, a rectangle frame is drawn in image page；
It moves the scaling board along calibration point, and camera is demarcated according to the motion profile of scaling board；
The rotation is demarcated
Into the calibration page of alignment system, the plane body is made to be located at the camera within sweep of the eye；
Calibrating parameters are adjusted, the center of camera is determined according to pixel；
The scaling board is rotated into predetermined angle by center axis of the axis where the center；
Camera is demarcated according to the motion profile of scaling board described above.
8. scaling method according to claim 7, which is characterized in that the step: by the scaling board with the center
Axis where position is that center axis rotates predetermined angle, comprising:
The scaling board is first rotated in a first direction predetermined angle, then rotates twice pre- along the opposite direction of first direction
If angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615618.7A CN109000888A (en) | 2018-06-14 | 2018-06-14 | A kind of screen alignment system and scaling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615618.7A CN109000888A (en) | 2018-06-14 | 2018-06-14 | A kind of screen alignment system and scaling method |
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| Publication Number | Publication Date |
|---|---|
| CN109000888A true CN109000888A (en) | 2018-12-14 |
Family
ID=64601339
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810615618.7A Pending CN109000888A (en) | 2018-06-14 | 2018-06-14 | A kind of screen alignment system and scaling method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683361A (en) * | 2019-02-26 | 2019-04-26 | 深圳市诚亿自动化科技有限公司 | A kind of multi-directional visual adjustment mechanism |
| CN110320686A (en) * | 2019-07-15 | 2019-10-11 | 中导光电设备股份有限公司 | ULED screen substrate detection/measuring device pre- alignment device and its application method |
| CN111678431A (en) * | 2020-05-08 | 2020-09-18 | 苏州市朗电机器人有限公司 | Calculation method based on laser induction FPC coordinates |
| CN113390336A (en) * | 2021-05-24 | 2021-09-14 | 武汉海微科技有限公司 | Adjustable screen fitting alignment device based on machine vision and calibration method |
| CN113419348A (en) * | 2021-05-31 | 2021-09-21 | 歌尔股份有限公司 | Equipment of VR glasses module |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683361A (en) * | 2019-02-26 | 2019-04-26 | 深圳市诚亿自动化科技有限公司 | A kind of multi-directional visual adjustment mechanism |
| CN109683361B (en) * | 2019-02-26 | 2021-12-24 | 深圳市诚亿自动化科技有限公司 | Multi-direction vision guiding mechanism |
| CN110320686A (en) * | 2019-07-15 | 2019-10-11 | 中导光电设备股份有限公司 | ULED screen substrate detection/measuring device pre- alignment device and its application method |
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| CN111678431A (en) * | 2020-05-08 | 2020-09-18 | 苏州市朗电机器人有限公司 | Calculation method based on laser induction FPC coordinates |
| CN111678431B (en) * | 2020-05-08 | 2022-04-08 | 苏州市朗电机器人有限公司 | Calculation method based on laser induction FPC coordinates |
| CN113390336A (en) * | 2021-05-24 | 2021-09-14 | 武汉海微科技有限公司 | Adjustable screen fitting alignment device based on machine vision and calibration method |
| CN113390336B (en) * | 2021-05-24 | 2024-03-12 | 武汉海微科技股份有限公司 | Adjustable screen laminating and aligning device and calibration method based on machine vision |
| CN113419348A (en) * | 2021-05-31 | 2021-09-21 | 歌尔股份有限公司 | Equipment of VR glasses module |
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Address after: Room 201, building 4, 780 xiecao Road, Xiegang Town, Dongguan City, Guangdong Province 523000 Applicant after: GUANGDONG SUMIDA AUTOMATION Co.,Ltd. Address before: 523000 Guangdong province Dongguan city Changan town Xiaobian Plainvim industrial center building two floor A District Applicant before: GUANGDONG SUMIDA AUTOMATION Co.,Ltd. |
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Application publication date: 20181214 |
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