CN207540507U - A kind of one camera real-time measurement system of groove type solar paraboloid surface shape - Google Patents
A kind of one camera real-time measurement system of groove type solar paraboloid surface shape Download PDFInfo
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- CN207540507U CN207540507U CN201721368171.5U CN201721368171U CN207540507U CN 207540507 U CN207540507 U CN 207540507U CN 201721368171 U CN201721368171 U CN 201721368171U CN 207540507 U CN207540507 U CN 207540507U
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Abstract
The utility model provides a kind of one camera real-time measurement system of groove type solar paraboloid surface shape, utilize four speculum reflection imaging systems, one camera carries out three-dimensional image acquisition, three-dimensional surface coordinate reconstruct is carried out to paraboloid surface shape using three-dimensional digital image the relevant technologies, realize groove type solar paraboloid surface shape measurement, the paraboloidal installation and debugging of groove type solar are instructed, improve installation effectiveness and solar energy heating efficiency.Before the actual measurement to fixture away from and the camera of amplification factor demarcate, camera is positioned by laser range finder in measurement, removing the step of being demarcated every time in actually measuring from, improve testing efficiency, the measuring system, which measures paraboloid surface shape, has online real-time, in high precision, it is non-contact, the advantages that non-calibrating, efficient and flexible and convenient operation.
Description
Technical field
The utility model is related to a kind of one camera real-time measurement system of groove type solar paraboloid surface shape, the utility models
Belong to flash ranging experiment, engineering material, the deformation of member and three-dimensionalreconstruction fields of measurement.
Background technology
China has become maximum solar energy optical-thermal application market in the world and solar thermal collector maximum in the world
Manufacturing center.Solar light-heat power-generation is a frontier of solar energy techniques application, in solar thermal utilization industry later
On residence, growth momentum is very swift and violent.In trough photovoltaic power generation system, the accuracy of groove type paraboloid positioning is for collecting efficiency
There is important influence.When installing solar energy parabolic lens, due to the foozle of support device and manual operation error etc.
Factor, the practical curved surface and design curved surface for leading to parabolic lens have error, so as to substantially reduce groove type solar collecting efficiency.It is practical
It needs accurately to correct paraboloidal position in installation process.Measuring method is a kind of whole audience, non-contacting method,
It can obtain the intuitive distribution of test result, be widely applied to by analyzing image of the thermal-collecting tube in parabolic lens
In heavy construction structure surface testing.Therefore, the problem of being installed for paraboloid in groove type solar photo-thermal power generation needs
Develop a kind of optical detection of quick, accurate, suitable for execute-in-place easily groove type solar parabolic lens installation error
Method, the paraboloidal position of on-line real-time measuremen and face shape feed back to setter according to test system results, instruct installation and debugging
Personnel debug paraboloidal position knead dough shape so that solar energy heating efficiency reaches optimum value, while also greatly improves installation people
The working efficiency of member.
At present, many researchers carry out paraboloidal face shape correlative study, main using based on reflection type projection grid line
(the solar groove type concentrator face shape rapid detection method based on deviation principle, 2013,12 (40):1208006；Based on striped
The groove type paraboloid unit mirror surface-shaped for reflecting art measures, 2013,1 (33):0112007), double camera 3D vision principle
(Photogrammetry:A Powerful Tool for Geometric Analysis of Solar Concentrators
and Their Components,Journal of Solar Energy Engineering,2005,107:94-101), base
In the slot type mirror installation accuracy measuring system (patent No. of GPS positioning technology：CN102589433B) carry out paraboloidal face shape and
Position measurement, due to operating process complexity and easily influenced by outdoor environment and measurement accuracy is low, in real process it is difficult to
It is applied.
Utility model content
For defect in the prior art, the purpose of this utility model is to provide a kind of groove type solar paraboloids
The one camera real-time measurement system of face shape, the system operatio is simple, and camera non-calibrating realizes On-line sampling system, suitable for throwing
The engineering survey of object plane face shape three-dimensionalreconstruction.
To achieve the above objectives, the technical scheme adopted by the utility model is that：
A kind of one camera real-time measurement system of groove type solar paraboloid surface shape, including：Four reflecting systems, horizontal guide rail
13rd, lifting rotation translating device, CCD camera 6, moveable platform 7, computer 8, the first controller 11, second controller 12, liter
Falling unit 9, inclinometer 18, camera level(l)ing device 10 and laser range finder 32；
Four reflecting system is mounted on by lifting rotation translating device on horizontal guide rail 13, the camera Level tune
Device 10 is mounted on lifting gear 9, and the lifting gear 9, the first controller 11, second controller 12 and computer 8 are distinguished
On moveable platform 7, the inclinometer 18 is positioned in CCD camera 6, and CCD camera 6 is positioned over camera Level tune dress
It puts on 10, the laser range finder 32 is fixed on lifting gear 9；
First controller 11, second controller 12 and inclinometer 18 are connect respectively with computer 8, the first controller 11
It is also connect with lifting gear 9, second controller 12 is also connect with camera level(l)ing device 10；
The lifting rotation translating device is used to implement the translation, rotation and lifting of four reflecting systems；
The horizontal position that the camera level(l)ing device 10 is used to implement CCD camera 6 is adjusted；
The laser range finder 32 marks the distance between point parabolic 1 for measuring CCD camera 6 with containing.
On the basis of said program, four reflecting system includes：First speculum 2, the second speculum 3, third are anti-
Penetrate 4 and the 4th speculum 5 of mirror；The lifting rotation translating device includes：The lifting rotation of first lifting rotation translating device 14, second
Turn translating device 15, third lifting rotation translating device 16 and the 4th lifting rotation translating device 17.
On the basis of said program, first speculum 2 is mounted on water by the 4th lifting rotation translating device 17
On level gauge 13, the second speculum 3 is mounted on by third lifting rotation translating device 16 on horizontal guide rail 13, third speculum
4 are mounted on by the second lifting rotation translating device 15 on horizontal guide rail 13, and the 4th speculum 5 is translated by the first lifting rotation
Device 14 is mounted on horizontal guide rail 13.
On the basis of said program, 2 and the 4th speculum 5 of the first speculum is symmetrical arranged, with horizontal direction
For angle in 40 °, the angle between the second speculum 3 and third speculum 4 is in 90 °.
On the basis of said program, the lifting gear 9 includes：Column 24, sliding block 25, nut set 26, L-type connecting plate
27th, trapezoidal rails 28, screw rod 29 and motor 30；Column 24 is fixedly connected respectively with upper mounted plate and bottom plate, and motor 30 is pacified
On upper mounted plate, trapezoidal rails 28 are installed on the right side of column 24, and sliding block 25 is movably installed in trapezoidal rails 28, screw rod
29 are located among upper mounted plate and bottom plate, and be fixedly connected with upper mounted plate and bottom plate, and nut set 26 is socketed in spiral shell
On bar 29, the side of nut set 26 is connect respectively with sliding block 25 and L-type connecting plate 27.
On the basis of said program, the laser range finder 32 is fixed on nut set 26.
On the basis of said program, the motor 30 is connect with the first controller 11, and computer 8 controls the first controller
11, the first controller 11 control motor 30 works, and motor 30 drives screw rod 29 to rotate, and sliding block 25 is under the action of trapezoidal rails 28
As the rotation of screw rod 29 moves up and down, so as to drive the oscilaltion of L-type connecting plate 27, while L-type connecting plate 27 can be consolidated
The fixed height to setting.
On the basis of said program, the camera level(l)ing device 10 drives including first driving means 19, second
Device 20, third driving device 21, upper junction plate 22 and lower connecting plate 23, the lower connecting plate 23 are mounted on L-type connecting plate 27
On, the first driving means 19, the second driving device 20 and third driving device 21 are located at upper junction plate 22 and lower connecting plate
It among 23, connect with upper junction plate 22 and lower connecting plate 23, and is connect simultaneously with second controller 12 respectively, CCD camera 6 is placed
In on upper junction plate 22.
On the basis of said program, the moveable platform 7 includes：Bottom plate 31 and idler wheel, idler wheel are mounted on bottom plate 31
Lower section.
A kind of measuring method of one camera real-time measurement system using groove type solar paraboloid surface shape described above,
Include the following steps：
1) arrangement of four reflecting systems：By the first lifting rotation translating device 14, the second lifting rotation translating device 15,
Third lifting rotation translating device 16 and the 4th lifting rotation translating device 17 realize the 4th speculum 5, third speculum respectively
4th, translation, rotation and the lifting of the second speculum 3 and the first speculum 2；So that the first speculum 2 and the 4th speculum 5 are symmetrical
Setting, for the angle with horizontal direction in 40 °, the angle between the second speculum 3 and third speculum 4 is in 90 °；
2) 6 location determination of CCD camera：CCD camera 6 is calculated with being thrown containing mark point according to the amplification factor that CCD camera 6 is set
The distance between object plane 1, later CCD camera 6 are all fixed by the distance；
3) CCD camera is demarcated：Scaling board is put into the position of the point parabolic 1 containing label, CCD camera is demarcated using scaling board
6 intrinsic parameter and outer parameter obtain the intrinsic parameter of CCD camera 6 and outer parameter using calibration algorithm calibrated and calculated；Realize CCD phases
Machine 6 is demarcated；
4) ranging localization：Actually measure in laser range finder 32 measure CCD camera 6 with containing label point parabolic 1 it
Between distance reduction camera CCD camera 6 measurement position；
5) adjusting of CCD camera 6：6 position in the horizontal direction of CCD camera is accurately adjusted by camera level(l)ing device 10
It puts so that the optical axis of CCD camera 6 vertically contains label point parabolic 1；
6) Image Acquisition：It shoots to obtain the speckle on 1 surface of the point parabolic containing label using 6 and four reflecting system of CCD camera
Figure；
7) it calculates：Obtained speckle pattern will be shot, 3-dimensional digital figure is carried out using three-dimensional digital image correlation computations software
As correlation computations, paraboloidal three-dimensionalreconstruction is carried out.
The intrinsic parameter and outer parameter include：Focal length, optical center, spin matrix and translation matrix with respect to world coordinate system.
The utility model has the following advantages and high-lighting effect：The utility model proposes system be based on non-contacting
Optics measurement of full field system acquires image by one camera and carries out measuring three-dimensional morphology, reduces the tedious steps of camera calibration,
Measurement accuracy is improved, it is simple to operation.
Description of the drawings
The utility model has drawings described below：
Fig. 1 is the principle knot of the one camera real-time measurement system of groove type solar paraboloid surface shape provided by the utility model
Structure schematic diagram.
Fig. 2 is four reflecting system structure diagrams.
Fig. 3 is the level(l)ing device schematic diagram of camera.
Fig. 4 is lifting gear schematic diagram.
In figure：1- point parabolics containing label；The first speculums of 2-；The second speculums of 3-；4- third speculums；5- the 4th is anti-
Penetrate mirror；6-CCD cameras；7- moveable platforms；8- computers；9- lifting gears；10- camera level(l)ing devices；11- first is controlled
Device processed；12- second controllers；13- horizontal guide rails；14- the first lifting rotation translating devices；The second lifting rotations of 15- translation dress
It puts；16- third lifting rotation translating devices；The 4th lifting rotation translating devices of 17-；18- inclinometers；19- first driving means；
The second driving devices of 20-；21- third driving devices；22- upper junction plates；23- lower connecting plates；24- columns；25- sliding blocks；26- spiral shells
Mother set；27-L type connecting plates；28- trapezoidal rails；29- screw rods；30- motors；31- bottom plates；32- laser range finders.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing 1-4.
The one camera real-time measurement system of groove type solar paraboloid surface shape provided by the utility model, including：Four reflections
System, horizontal guide rail 13, lifting rotation translating device, CCD camera 6, moveable platform 7, computer 8, the first controller 11,
Two controllers 12, lifting gear 9, inclinometer 18, camera level(l)ing device 10 and laser range finder 32；
Four reflecting system is mounted on by lifting rotation translating device on horizontal guide rail 13, the camera Level tune
Device 10 is mounted on lifting gear 9, and the lifting gear 9, the first controller 11, second controller 12 and computer 8 are distinguished
On moveable platform 7, the inclinometer 18 is positioned in CCD camera 6, and CCD camera 6 is positioned over camera Level tune dress
It puts on 10, the laser range finder 32 is fixed on lifting gear 9；
First controller 11, second controller 12 and inclinometer 18 are connect respectively with computer 8, the first controller 11
It is also connect with lifting gear 9, second controller 12 is also connect with camera level(l)ing device 10；
The lifting rotation translating device is used to implement the translation, rotation and lifting of four reflecting systems；
The horizontal position that the camera level(l)ing device 10 is used to implement CCD camera 6 is adjusted；
The laser range finder 32 marks the distance between point parabolic 1 for measuring CCD camera 6 with containing.
On the basis of said program, four reflecting system includes：First speculum 2, the second speculum 3, third are anti-
Penetrate 4 and the 4th speculum 5 of mirror；The lifting rotation translating device includes：The lifting rotation of first lifting rotation translating device 14, second
Turn translating device 15, third lifting rotation translating device 16 and the 4th lifting rotation translating device 17.
On the basis of said program, first speculum 2 is mounted on water by the 4th lifting rotation translating device 17
On level gauge 13, the second speculum 3 is mounted on by third lifting rotation translating device 16 on horizontal guide rail 13, third speculum
4 are mounted on by the second lifting rotation translating device 15 on horizontal guide rail 13, and the 4th speculum 5 is translated by the first lifting rotation
Device 14 is mounted on horizontal guide rail 13.
On the basis of said program, the first speculum 2 and the 4th speculum 5 are symmetrical arranged, the angle with horizontal direction
In 40 °, the angle between the second speculum 3 and third speculum 4 is in 90 °.
On the basis of said program, the lifting gear 9 includes：Column 24, sliding block 25, nut set 26, L-type connecting plate
27th, trapezoidal rails 28, screw rod 29 and motor 30；Column 24 is fixedly connected respectively with upper mounted plate and bottom plate, and motor 30 is pacified
On upper mounted plate, trapezoidal rails 28 are installed on the right side of column 24, and sliding block 25 is movably installed in trapezoidal rails 28, screw rod
29 are located among upper mounted plate and bottom plate, and be fixedly connected with upper mounted plate and bottom plate, and nut set 26 is socketed in spiral shell
On bar 29, the side of nut set 26 is connect respectively with sliding block 25 and L-type connecting plate 27.
On the basis of said program, the laser range finder 32 is fixed on nut set 26.
On the basis of said program, the motor 30 is connect with the first controller 11, and computer 8 controls the first controller
11, the first controller 11 control motor 30 works, and motor 30 drives screw rod 29 to rotate, and sliding block 25 is under the action of trapezoidal rails 28
As the rotation of screw rod 29 moves up and down, so as to drive the oscilaltion of L-type connecting plate 27, while L-type connecting plate 27 can be consolidated
The fixed height to setting.
On the basis of said program, the camera level(l)ing device 10 drives including first driving means 19, second
Device 20, third driving device 21, upper junction plate 22 and lower connecting plate 23, the lower connecting plate 23 are mounted on L-type connecting plate 27
On, the first driving means 19, the second driving device 20 and third driving device 21 are located at upper junction plate 22 and lower connecting plate
It among 23, connect with upper junction plate 22 and lower connecting plate 23, and is connect simultaneously with second controller 12 respectively, CCD camera 6 is placed
In on upper junction plate 22.
On the basis of said program, the moveable platform 7 includes：Bottom plate 31 and idler wheel, idler wheel are mounted on bottom plate 31
Lower section.
A kind of measuring method of one camera real-time measurement system using groove type solar paraboloid surface shape described above,
Include the following steps：
1) arrangement of four reflecting systems：By the first lifting rotation translating device 14, the second lifting rotation translating device 15,
Third lifting rotation translating device 16 and the 4th lifting rotation translating device 17 realize the 4th speculum 5, third speculum respectively
4th, translation, rotation and the lifting of the second speculum 3 and the first speculum 2；So that the first speculum 2 and the 4th speculum 5 are symmetrical
Setting, for the angle with horizontal direction in 40 °, the angle between the second speculum 3 and third speculum 4 is in 90 °；
2) 6 location determination of CCD camera：CCD camera 6 is calculated with being thrown containing mark point according to the amplification factor that CCD camera 6 is set
The distance between object plane 1, later CCD camera 6 are all fixed by the distance；
3) CCD camera is demarcated：Scaling board is put into the position of the point parabolic 1 containing label, CCD camera is demarcated using scaling board
6 intrinsic parameter and outer parameter obtain the intrinsic parameter of CCD camera 6 and outer parameter using calibration algorithm calibrated and calculated；Realize CCD phases
Machine 6 is demarcated；
4) ranging localization：Actually measure in laser range finder 32 measure CCD camera 6 with containing label point parabolic 1 it
Between distance reduction camera CCD camera 6 measurement position；
5) adjusting of CCD camera 6：6 position in the horizontal direction of CCD camera is accurately adjusted by camera level(l)ing device 10
It puts so that the optical axis of CCD camera 6 vertically contains label point parabolic 1；
6) Image Acquisition：It shoots to obtain the speckle on 1 surface of the point parabolic containing label using 6 and four reflecting system of CCD camera
Figure；
7) it calculates：Obtained speckle pattern will be shot, 3-dimensional digital figure is carried out using three-dimensional digital image correlation computations software
As correlation computations, paraboloidal three-dimensionalreconstruction is carried out.
The intrinsic parameter and outer parameter include：Focal length, optical center, spin matrix and translation matrix with respect to world coordinate system.
The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (9)
1. a kind of one camera real-time measurement system of groove type solar paraboloid surface shape, which is characterized in that including：Four reflection systems
System, horizontal guide rail (13), lifting rotation translating device, CCD camera (6), moveable platform (7), computer (8), the first control
Device (11), second controller (12), lifting gear (9), inclinometer (18), camera level(l)ing device (10) and laser range finder
(32)；
Four reflecting system is mounted on by lifting rotation translating device on horizontal guide rail (13), the camera Level tune dress
(10) are put on lifting gear (9), the lifting gear (9), the first controller (11), second controller (12) and calculating
Machine (8) is separately mounted on moveable platform (7), and the inclinometer (18) is positioned in CCD camera (6), and CCD camera (6) is put
It is placed on camera level(l)ing device (10), the laser range finder (32) is fixed on lifting gear (9)；
First controller (11), second controller (12) and inclinometer (18) are connect respectively with computer (8), the first control
Device (11) is also connect with lifting gear (9), and second controller (12) is also connect with camera level(l)ing device (10)；
The lifting rotation translating device is used to implement the translation, rotation and lifting of four reflecting systems；
The horizontal position that the camera level(l)ing device (10) is used to implement CCD camera (6) is adjusted；
The laser range finder (32) marks the distance between point parabolic (1) for measuring CCD camera (6) with containing.
2. the one camera real-time measurement system of groove type solar paraboloid surface shape as described in claim 1, which is characterized in that institute
Four reflecting systems are stated to include：First speculum (2), the second speculum (3), third speculum (4) and the 4th speculum (5)；Institute
Lifting rotation translating device is stated to include：First lifting rotation translating device (14), the second lifting rotation translating device (15), third
Lifting rotation translating device (16) and the 4th lifting rotation translating device (17).
3. the one camera real-time measurement system of groove type solar paraboloid surface shape as claimed in claim 2, which is characterized in that institute
The first speculum (2) is stated by the 4th lifting rotation translating device (17) on horizontal guide rail (13), the second speculum
(3) by third lifting rotation translating device (16) on horizontal guide rail (13), third speculum (4) passes through the second lifting
Translating device (15) is rotated on horizontal guide rail (13), and the 4th speculum (5) passes through the first lifting rotation translating device
(14) on horizontal guide rail (13).
4. the one camera real-time measurement system of groove type solar paraboloid surface shape as claimed in claim 2, which is characterized in that institute
It states the first speculum (2) and the 4th speculum (5) is symmetrical arranged, the angle with horizontal direction is in 40 °, the second speculum (3)
Angle between third speculum (4) is in 90 °.
5. the one camera real-time measurement system of groove type solar paraboloid surface shape as described in claim 1, which is characterized in that institute
Lifting gear (9) is stated to include：Column (24), sliding block (25), nut set (26), L-type connecting plate (27), trapezoidal rails (28), spiral shell
Bar (29) and motor (30)；Column (24) is fixedly connected respectively with upper mounted plate and bottom plate, and motor (30) is mounted on upper solid
On fixed board, trapezoidal rails (28) are installed on the right side of column (24), and sliding block (25) is movably installed in trapezoidal rails (28), screw rod
(29) it among upper mounted plate and bottom plate, and is fixedly connected with upper mounted plate and bottom plate, nut set (26) socket
On screw rod (29), the side of nut set (26) is connect respectively with sliding block (25) and L-type connecting plate (27).
6. the one camera real-time measurement system of groove type solar paraboloid surface shape as claimed in claim 5, which is characterized in that institute
Laser range finder (32) is stated to be fixed on nut set (26).
7. the one camera real-time measurement system of groove type solar paraboloid surface shape as claimed in claim 5, which is characterized in that institute
It states motor (30) to connect with the first controller (11), computer (8) controls the first controller (11), the first controller (11) control
Motor (30) works, and motor (30) drives screw rod (29) to rotate, and sliding block (25) is under the action of trapezoidal rails (28) with screw rod
(29) rotation moves up and down, so as to drive the oscilaltion of L-type connecting plate (27), while can be fixed by L-type connecting plate (27)
To the height of setting.
8. the one camera real-time measurement system of groove type solar paraboloid surface shape as described in claim 1, which is characterized in that institute
State camera level(l)ing device (10) including first driving means (19), the second driving device (20), third driving device (21),
Upper junction plate (22) and lower connecting plate (23), on L-type connecting plate (27), described first drives the lower connecting plate (23)
Dynamic device (19), the second driving device (20) and third driving device (21) are in upper junction plate (22) and lower connecting plate (23)
Between, it is connect respectively with upper junction plate (22) and lower connecting plate (23), and connect simultaneously with second controller (12), CCD camera (6)
It is positioned on upper junction plate (22).
9. the one camera real-time measurement system of groove type solar paraboloid surface shape as described in claim 1, which is characterized in that institute
Moveable platform (7) is stated to include：Bottom plate (31) and idler wheel, idler wheel are mounted on the lower section of bottom plate (31).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721368171.5U CN207540507U (en) | 2017-10-23 | 2017-10-23 | A kind of one camera real-time measurement system of groove type solar paraboloid surface shape |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368171.5U CN207540507U (en) | 2017-10-23 | 2017-10-23 | A kind of one camera real-time measurement system of groove type solar paraboloid surface shape |
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ID=62610848
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843207A (en) * | 2017-10-23 | 2018-03-27 | 北京京仪仪器仪表研究总院有限公司 | The one camera real-time measurement system and method for a kind of groove type solar paraboloid surface shape |
-
2017
- 2017-10-23 CN CN201721368171.5U patent/CN207540507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843207A (en) * | 2017-10-23 | 2018-03-27 | 北京京仪仪器仪表研究总院有限公司 | The one camera real-time measurement system and method for a kind of groove type solar paraboloid surface shape |
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