CN208012550U - One kind being based on binocular stereo vision composite and flexible film deformation of surface detection device - Google Patents
One kind being based on binocular stereo vision composite and flexible film deformation of surface detection device Download PDFInfo
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- CN208012550U CN208012550U CN201820293452.7U CN201820293452U CN208012550U CN 208012550 U CN208012550 U CN 208012550U CN 201820293452 U CN201820293452 U CN 201820293452U CN 208012550 U CN208012550 U CN 208012550U
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- composite
- flexible film
- sample cell
- deformation
- stereo vision
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Abstract
The utility model discloses a kind of based on binocular stereo vision composite and flexible film deformation of surface detection device, including deformation of surface control system, including control computer, precise injection pump and sample cell;The control computer is pumped with precise injection, pressure detector is connect, and the pressure detector is mounted on sample cell, for detecting fluid pressure in sample cell and feeding back to control computer;There is the mounting device of composite and flexible film on the outside of the circular hole of the sample cell upper surface;Binocular stereo vision three dimensional shape measurement system, including two CCD cameras are mounted on tripod head, the image for acquiring composite and flexible film under different deformation;Pattern process computer is connect with two CCD cameras, and the image for handling CCD camera acquisition exports the three-dimensional appearance of composite and flexible film.The utility model realizes measurement of full field and non-cpntact measurement, has the advantages such as measurement range is big and extensive diagnostic ability is strong, high certainty of measurement.
Description
Technical field
The utility model belongs to the detection technique field of fexible film, more particularly to a kind of compound based on binocular stereo vision
Fexible film deformation of surface detection device.
Background technology
In recent years, flexible electronic technology is just applied to the fields such as information, the energy, medical treatment and national defence by leaps and bounds.It was predicted that
The market of flexible electronic product will increase to 69,000,000,000 U.S. dollars in 2026 from 26,500,000,000 U.S. dollars in 2016.As flexible electronic
Important component in technology, flexible sensor is the popular domain in scientific research in recent years, and composite and flexible film
It is a pith of flexible sensor.
Presently, there are a relatively difficult problem, to be composite and flexible thin film optoelectronic transducer can not perfectly comply with covering
The curved surface of any complexity, because composite and flexible film will not be changed in carrying out deformation of surface with a fixed curvature, and
And ideal spherical surface is also not necessarily in each deformation.So needing to test by controllable deformation of surface compound to obtain
The three-dimensional appearance of fexible film deformation of surface finds out the changing rule of its deformation of surface.
Researchers also proposed the detection side that deformation of surface of some composite and flexible films under the action of different power becomes
Method, but there is the deficiencies of being unable to measurement of full field, test method is cumbersome, and contact type measurement in these methods, operational observations are not
Easily, there are prodigious errors for the result of detection.Therefore a kind of experiment that the measuring accuracy of energy measurement of full field is high of utility model is needed
Device and method.
Utility model content
It is provided utility model aims to solve above-mentioned technical problem a kind of compound based on binocular stereo vision
Fexible film deformation of surface detection device.
To achieve the above object, the utility model adopts the following technical solution:
One kind being based on binocular stereo vision composite and flexible film deformation of surface detection device, including:
Deformation of surface control system, including control computer, precise injection pump and sample cell;The control computer and essence
Close syringe pump, pressure detector connection, the pressure detector is mounted on sample cell, for detecting fluid pressure in sample cell
And feed back to control computer;There is the mounting device of composite and flexible film on the outside of the circular hole of the sample cell upper surface;
Binocular stereo vision three dimensional shape measurement system, including two CCD cameras are mounted on tripod head, are used for
Acquire the image of composite and flexible film under different deformation;Pattern process computer is connect with two CCD cameras, for locating
The image of CCD camera acquisition is managed, the three-dimensional appearance of composite and flexible film is exported.
Two CCD cameras are symmetrically mounted in horizontally disposed first supporting beam, the first supporting beam vertical connection
On the lower surface of horizontally disposed second supporting beam, and it is mounted on tripod head by second supporting beam.
The mounting device of the composite and flexible film includes one for composite and flexible film to be pressed in sample cell upper surface
On circular hole at annular preform and multiple for annular preform to be pressed abd fixed on to Z-type pressing plate on sample cell.
The pressure detector is mounted on the side wall of sample cell.
The utility model with two CCD cameras with the image computer for possessing digital picture correlation computations ability by being connected
It connects, fits through hydraulic data and the precise injection pump of pressure detector feedback to control and stablize different hydraulic pressure in sample cell
Control computer realizes the detection of the composite and flexible film three-dimensional appearance of deformation of surface at various pressures.
The utility model constructs binocular solid detecting systems with two CCD cameras, realizes measurement of full field and non-contact
It measures, tested three-dimensional appearance of the film under different hydraulic pressure is finally obtained by the image real time transfer acquired, solves existing skill
In art cannot in terms of the whole audience and non-cpntact measurement on detect insufficient.
The utility model realizes measurement of full field and non-cpntact measurement, has measurement range is big and extensive diagnostic ability is strong etc.
Advantage, high certainty of measurement.
Description of the drawings
Fig. 1 is that the structure based on binocular stereo vision composite and flexible film deformation of surface detection device of the utility model is shown
It is intended to;
In figure:1- control computers;2- composite and flexible films;The first CCD cameras of 3-;The first supporting beams of 4-;5- second
Support beam;The second CCD cameras of 6-;7- image computers;8- tripod heads;9- pressure detectors;10- sample cells;11- annular pressures
Piece;12-Z type pressing plates;13- precise injections pump.
Specific implementation mode
In the following, the substantive distinguishing features and advantage of the utility model are further described in conjunction with example, but this practicality is new
Type is not limited to listed embodiment.
Shown in Figure 1, one kind being based on binocular stereo vision composite and flexible film deformation of surface detection device, including:
Deformation of surface control system includes the control computer 1 for the pressure control of different hydraulic pressure in sample cell, accurate
Syringe pump 13 and sample cell 10;Installation is useful on the outside of circular hole on 10 upper surface of sample cell by two layers of silica gel thin film and interval
The film mounting device for the composite and flexible film 2 that liquid is constituted;
Binocular stereo vision three dimensional shape measurement system includes the first CCD camera 3 on tripod head and
Two CCD cameras 6, the image for acquiring composite and flexible film 2 under different deformation;Further include pattern process computer 7, utilizes number
Word image correlation technique handles the image of CCD camera acquisition, the three-dimensional appearance of output composite and flexible film 2.
Wherein, the control computer 1 is connect with pressure detector 9 and precise injection pump 13, and the pressure detector 9 is pacified
On the side wall of sample cell 10, for detecting the pressure in sample cell 10, and feedback information is to control computer 1.
Wherein, the film mounting device on the sample cell 10 include an annular preform 11 and four Z-type pressing plates 12, four
A Z-type pressing plate 12 is fixed on sample cell, and annular preform 11 is to be measured on the circular hole of 10 upper surface of sample cell for that will be positioned over
After composite and flexible film 2 is pushed down, it is pressed in annular preform 11 by four Z-type pressing plates 12, annular preform 1 is fixed, to make
It is tested that installation is sealed between film 2 and sample cell 10.
Specifically, first CCD camera and the second CCD camera are relatively mounted on horizontally disposed first supporting beam 4
On, first supporting beam 4 is connected with 5 vertical cartel of the second supporting beam, bottom and the tripod head 8 of the second supporting beam 5
Top is fixedly connected, to realize 4 and second supporting beam of the first supporting beam, 5 integral installation on tripod head 8, to
To realize the adjusting in three directions of the first CCD camera and the second CCD camera.
The utility model is above-mentioned to be based on binocular stereo vision composite and flexible film deformation of surface detection device, to compound soft
The step of detection when property film deformation of surface is detected, is as follows;
S1:Marking film:The composite and flexible film for needing to be detected is chosen, with speckle tools to composite and flexible
Film carries out spray spot mark;
S1:Camera is installed:First CCD camera and the second CCD camera are mounted in the first supporting beam, then first is supported
Beam links together with the second supporting beam, and last entirety clamping is on tripod head;
S2:Adjust camera orientation:First CCD camera and the 2nd CCDCCD cameras are connect with image computer, start figure
As computer, related software is opened, is fixed after adjusting two camera orientations according to the image shown in software, later by camera
Aperture is transferred to maximum, and the image adjusted under depth of field minimum in software is made to be adjusted to maximum to clear state, then by the depth of field;
S3:Calibration for cameras parameter:To carry out two CCD cameras with pattern distortion scaling board and camera parameter scaling board
Relevant calibrated and calculated;
S4:Sample cell is lain in a horizontal plane on experimental bench, by control computer connection precise injection pump, precise injection pump connects
Sample cell is connect, and pressure detector is mounted on sample cell and is connect with control computer, pressure detector is wanted with sample cell
Keep good leakproofness;
S5:Clamping is tested composite and flexible film:The composite and flexible film that mark is completed is sealed by annular preform and is installed
On the circular hole of sample cell, four Z-type pressing plates is used in combination to fix annular preform.
S6:Acquire original data:After completing tested composite and flexible film clamping, do not apply in sample cell
Pressure first acquires original data with binocular stereo vision three dimensional shape measurement system, and records;
S7:Start control computer and uses control computer according to pressure detector to the Real-time Feedback of hydraulic pressure in sample cell
Control precise injection pumps to adjust the hydraulic pressure in sample cell, realizes the deformation of surface for being tested film, chooses a deformation of surface shape
State keeps stablizing;
S8:D surface contouring is tested composite and flexible film in the state of a deformation of surface, by binocular stereo vision
Three dimensional shape measurement system acquires image data, recycles digital picture related software, imports original data and deformation pattern
As carrying out operation after data, the three-dimensional appearance of the film deformation of surface under the hydraulic pressure is exported;
S9:Step S6-S8 is repeated, is changed in sample cell by control computer, precise injection pump and pressure detector
Hydraulic pressure obtains the three-dimensional appearance of composite construction fexible film deformation under different hydraulics.
The utility model is by connecting two CCD cameras with the image computer for possessing digital picture correlation computations ability
It connects, fits through hydraulic data and the precise injection pump of pressure detector feedback to control and stablize different hydraulic pressure in sample cell
Control computer realizes the detection of the composite and flexible film three-dimensional appearance of deformation of surface at various pressures.
The utility model constructs binocular solid detecting systems with two CCD cameras, realizes measurement of full field and non-contact
It measures, tested three-dimensional appearance of the film under different hydraulic pressure is finally obtained by the image real time transfer acquired, solves existing skill
In art cannot in terms of the whole audience and non-cpntact measurement on detect insufficient.
The utility model realizes measurement of full field and non-cpntact measurement, has measurement range is big and extensive diagnostic ability is strong etc.
Advantage, high certainty of measurement.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation.Any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation, but every without departing from the content of the technical scheme of the utility model, according to the utility model construction and
Operation principle still falls within the utility model technical side to any simple modification, equivalent variations and remodeling made by above example
The protection domain of case.
Claims (4)
1. one kind being based on binocular stereo vision composite and flexible film deformation of surface detection device, which is characterized in that including:
Deformation of surface control system, including control computer, precise injection pump and sample cell;The control computer is noted with accurate
Pump, pressure detector connection are penetrated, the pressure detector is mounted on sample cell, for detecting fluid pressure in sample cell and returning
It feeds control computer;There is the mounting device of composite and flexible film on the outside of the circular hole of the sample cell upper surface;
Binocular stereo vision three dimensional shape measurement system, including two CCD cameras are mounted on tripod head, for acquiring
The image of composite and flexible film under different deformation;Pattern process computer is connect with two CCD cameras, for handling CCD
The image of camera acquisition, exports the three-dimensional appearance of composite and flexible film.
2. being based on binocular stereo vision composite and flexible film deformation of surface detection device according to claim 1, feature exists
In two CCD cameras are symmetrically mounted in horizontally disposed first supporting beam, and first supporting beam is vertically connected on level
On the lower surface for the second supporting beam being arranged, and it is mounted on tripod head by second supporting beam.
3. being based on binocular stereo vision composite and flexible film deformation of surface detection device according to claim 1, feature exists
In the mounting device of the composite and flexible film includes a circle for being pressed in composite and flexible film on sample cell upper surface
Annular preform at hole and multiple Z-type pressing plates for being pressed abd fixed on annular preform on sample cell.
4. being based on binocular stereo vision composite and flexible film deformation of surface detection device according to claim 1, feature exists
In the pressure detector is mounted on the side wall of sample cell.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108180859A (en) * | 2018-03-02 | 2018-06-19 | 天津商业大学 | One kind is based on binocular stereo vision composite and flexible film deformation of surface detection device and method |
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2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108180859A (en) * | 2018-03-02 | 2018-06-19 | 天津商业大学 | One kind is based on binocular stereo vision composite and flexible film deformation of surface detection device and method |
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Granted publication date: 20181026 Termination date: 20190302 |
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