CN107024491A - A kind of X-ray nondestructive detection system and its detection method - Google Patents
A kind of X-ray nondestructive detection system and its detection method Download PDFInfo
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- 238000004891 communication Methods 0.000 claims abstract description 41
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- 230000007547 defect Effects 0.000 claims abstract description 27
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- 230000000149 penetrating effect Effects 0.000 claims description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/0006—Industrial image inspection using a design-rule based approach
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/03—Investigating materials by wave or particle radiation by transmission
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/10—Different kinds of radiation or particles
- G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
- G01N2223/1016—X-ray
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
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- G01N2223/421—Imaging digitised image, analysed in real time (recognition algorithms)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/646—Specific applications or type of materials flaws, defects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10116—X-ray image
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Abstract
The invention discloses a kind of X-ray nondestructive detection system and its detection method, including：Terminal, X-ray production apparatus, X-ray locomotive, digital imagery plate and imaging wooden handcart are detected, detection terminal includes central controller, apparatus for adjusting position, display device and communicator；Apparatus for adjusting position is connected with the central controller, communication successively；Central controller is also communicated to connect with display device；Detect that terminal is communicated to connect with X-ray production apparatus, X-ray locomotive, digital imagery plate and imaging wooden handcart respectively by communicator；Central controller includes image capture module and image analysis module, and image capture module is used for the radioscopic image for obtaining Devices to test；Image analysis module is used to analyze radioscopic image, and the defect or failure of Devices to test is calculated and determined.The system is analyzed and calculated without staff, automatically analyzes out the internal flaw or failure of Devices to test, and accuracy rate is high.
Description
Technical field
The present invention relates to power equipment X-ray technical field of nondestructive testing, more particularly to a kind of X-ray nondestructive detection system
And its detection method.
Background technology
In power industry, X-ray Non-Destructive Testing is to detect out in power equipment to exist using the strong penetration capacity of X-ray
Internal flaw or failure a kind of detection means.According to the strong and weak change for the X-ray for penetrating Devices to test come in detection device
Air gap stomata, foreign matter slag inclusion, crackle crack and assemble internal flaw or the failure such as not in place.Due to X-ray Non-Destructive Testing
It is rapid accurate, therefore, increasingly it is widely applied in power industry.
At present, X-ray nondestructive detection system includes X-ray production apparatus, digital imagery plate, computer and integrated control platform, wherein,
X-ray production apparatus is fixedly connected with the first lift being arranged on X-ray locomotive, can also be with while being lifted with the first lift
X-ray locomotive is moved；Digital imagery plate is fixedly connected with the second lift being arranged on imaging wooden handcart, can be with the second lift
Can also be with imaging wooden handcart movement while lifting.During X-ray Non-Destructive Testing, integrated control platform control X-ray production apparatus and numeral into
As plate is respectively moved to the both sides of Devices to test, and X-ray production apparatus is controlled to launch x-ray bombardment to Devices to test；X-ray is penetrated
Devices to test, forms the radioscopic image of two-dimensional projection directly on digital imagery plate, is finally opened by staff in computer
Image capture software, obtains the radioscopic image of projection.Equipment under test is determined according to the radioscopic image of acquisition by staff
Internal flaw or failure.
But, in said system, the radioscopic image of acquisition needs to measure, calculate and analyze by staff, really
Devices to test is determined with the presence or absence of air gap stomata, foreign matter slag inclusion, crackle crack and assembles internal flaw or the failure such as not in place；So
And, for some power equipments, staff usually requires to gather the X-ray of multiple Suspected Areas when judging defect or failure
Image, multiple radioscopic images are analyzed by staff, obtain Devices to test internal flaw or failure, and accuracy is relatively low.
The content of the invention
The invention provides a kind of X-ray nondestructive detection system and its detection method, to solve to need work in the prior art
Make personnel's analysis radioscopic image, judge the problem of accuracy of Devices to test internal flaw or failure is relatively low.
In a first aspect, the invention provides a kind of X-ray nondestructive detection system, the system includes：Detection terminal, X are penetrated
Line machine, X-ray locomotive, digital imagery plate and imaging wooden handcart, wherein,
The detection terminal includes central controller, apparatus for adjusting position, display device and communicator；
The apparatus for adjusting position is connected with the central controller, communication successively, the position adjustments dress
Put, for adjusting the position of the X-ray production apparatus and digital imaging plate, and Regulate signal is sent to the central controller；Institute
Central controller is stated also to communicate to connect with the display device；
It is described detection terminal by communicator respectively with the X-ray production apparatus, X-ray locomotive, digital imagery plate and imaging
Wooden handcart is communicated to connect, and the communicator is used to send to the X-ray production apparatus, X-ray locomotive, digital imagery plate and imaging wooden handcart
The control information of the central controller, receives the X-ray production apparatus, X-ray locomotive, digital imagery plate and imaging wooden handcart feedback
Information；
The central controller includes image capture module and the image analysis module being sequentially connected, described image collection mould
Block is used to obtain the two-dimensional projection of the digital imagery plate acquisition and carries out IMAQ, obtains the X ray picture of Devices to test
Picture；Described image analysis module is used for the radioscopic image for analyzing the collection of described image acquisition module, is calculated and determined described
The defect or failure of Devices to test.
Preferably, in addition to first laser range unit and second laser range unit, wherein,
The first laser range unit is arranged on the X-ray production apparatus, for measuring the X-ray production apparatus and Devices to test
Between spacing；The second laser range unit is arranged on the digital imagery plate, for measuring the digital imagery plate
Spacing between Devices to test；The first laser range unit, second laser range unit respectively with the communicator
Communication connection.
Preferably, described image analysis module includes：
Image preprocessing submodule, for by the radioscopic image denoising of acquisition, the X after denoising to be penetrated
The processing of line image gray processing, obtains the gray value of the radioscopic image all pixels point；
Image-region divides submodule, for the gray value of the radioscopic image all pixels point to be generated into four direction
Gray level co-occurrence matrixes, derive the correlation of each pixel, and the radioscopic image is divided into by some areas according to the correlation
Domain, wherein, each the gray level co-occurrence matrixes of the region all pixels point is related identical；
Image outline extracting sub-module, the image outline for extracting each region；
Size calculation submodule, for the image outline according to each region, calculates the corresponding Devices to test in each region
Size；
Defect or failure determination sub-module, for by the size of the corresponding Devices to test in each region and default X ray picture
As corresponding region actual size contrast in property data base, the defect or failure are determined.
Preferably, the display device includes：
Status display submodule is detected, for showing X-ray Non-Destructive Testing state, the X-ray Non-Destructive Testing state bag
Include in X-ray image acquisition, X-ray image acquisition is completed or radioscopic image analysis is completed.
Preferably, the detection terminal also includes keyboard input module, and the keyboard input module includes pre- hot key, a key
Collection button and a key are stopped key, and the pre- hot key, key collection button and a key stop key to be controlled with the center respectively
Device electrical connection processed.
Preferably, the detection terminal also includes voice cue module, and the voice cue module is controlled with the center
Device is electrically connected, for pointing out X-ray Non-Destructive Testing state.
Preferably, the detection terminal also includes x-ray radiation setting module, the x-ray radiation setting module
Electrically connected with the central controller, the amount of radiation of the X-ray for setting X-ray production apparatus transmitting.
Preferably, the detection terminal includes mobile phone or Pad.
Second aspect, the invention provides a kind of X-ray lossless detection method, methods described includes：
Detection terminal control X-ray production apparatus and digital imaging plate are moved to the both sides of Devices to test, and the X-ray production apparatus, number
Word imaging plate, Devices to test are on same straight line；
X-ray production apparatus transmitting X-ray is controlled, the two-dimensional projection of acquisition is sent to the detection eventually by the digital imagery plate
End；
The detection terminal carries out X-ray image acquisition；
The detection terminal carries out radioscopic image analysis, determines the defect or failure of Devices to test.
Preferably, the detection terminal carries out radioscopic image analysis, determines the defect or failure of Devices to test, including：
By the radioscopic image denoising of acquisition, the radioscopic image gray processing after denoising is handled, obtained
The gray value of the radioscopic image all pixels point；
The gray value of the radioscopic image all pixels point is generated to the gray level co-occurrence matrixes of four direction, derived each
The correlation of pixel, and the radioscopic image is divided into by some regions according to the correlation, wherein, each region institute
Have pixel gray level co-occurrence matrixes it is related identical；
Extract the image outline in each region；
According to the image outline in each region, the size of the corresponding Devices to test in each region is calculated；
The size of the corresponding Devices to test in each region region corresponding with default radioscopic image property data base is real
Border size comparison, determines the defect or failure.
The technical scheme that the present invention is provided can include the following benefits：
The embodiment of the present invention provides a kind of X-ray nondestructive detection system and detection method, including：Detect terminal, X-ray
Machine, X-ray locomotive, digital imagery plate and imaging wooden handcart, wherein, the detection terminal includes central controller, position adjustments and filled
Put, display device and communicator；The apparatus for adjusting position is connected with the central controller, communication successively,
The apparatus for adjusting position, the position for adjusting the X-ray production apparatus and digital imaging plate, and Regulate signal is sent to described
Central controller；The central controller is also communicated to connect with the display device；The detection terminal passes through communicator point
Not with the X-ray production apparatus, X-ray locomotive, digital imagery plate and imaging wooden handcart communication connection, the communicator is used for described
X-ray production apparatus, X-ray locomotive, digital imagery plate and imaging wooden handcart send the control information of the central controller, receive the X
X-ray machine X, X-ray locomotive, digital imagery plate and imaging wooden handcart feedack；The central controller includes what is be sequentially connected
Image capture module and image analysis module, described image acquisition module are used to obtain the two dimension throwing that the digital imagery plate is obtained
Shadow simultaneously carries out IMAQ, obtains the radioscopic image of Devices to test；Described image analysis module is adopted for analyzing described image
Collect the radioscopic image of module collection, the defect or failure of the Devices to test is calculated and determined.The embodiment of the present invention is provided
X-ray nondestructive detection system, by be arranged on detection terminal on apparatus for adjusting position can adjust X-ray production apparatus, X-ray production apparatus
Car, digital imagery plate and the position for being imaged wooden handcart, make X-ray production apparatus, Devices to test and imaging plate point-blank；It is arranged on inspection
The image capture module surveyed in terminal can gather the radioscopic image of Devices to test, and image analysis module can be by IMAQ mould
The radioscopic image of block collection is analyzed and calculated, so that it is determined that the defect and failure of Devices to test.The system need not work people
Member's analysis and calculating, automatically analyze out the internal flaw or failure of Devices to test, and accuracy rate is high.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of X-ray nondestructive detection system provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation for detecting terminal provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of image analysis module provided in an embodiment of the present invention；
Fig. 4 is a kind of method flow schematic diagram of graphical analysis provided in an embodiment of the present invention；
Symbol represents that 1- detects terminal, 11- central controllers, 111- image capture modules, 112- images point in Fig. 1-Fig. 4
Analyse module, 12- apparatus for adjusting position, 13- display devices, 14- communicators, 2-X X-ray machine Xs, 3-X ray locomotives, 31- first
Lift, 4- digital imagery plates, 5- imaging wooden handcarts, the lifts of 51- second, 6- first laser range units, 7- second lasers are surveyed
Away from device, 8- Devices to tests.
Embodiment
The embodiment of the present invention provides a kind of X-ray nondestructive detection system, referring to Fig. 1, including：Detect terminal 1, X-ray production apparatus
2nd, X-ray locomotive 3, digital imagery plate 4 and imaging wooden handcart 5.
In specific implementation process, X-ray locomotive 3 is internally provided with the first controller, first communication module and first and driven
The first lift 31 is provided with dynamic model block, X-ray locomotive 3, X-ray production apparatus 2 is arranged on the first lift 31, can be with first liter
Drop machine 31 is moved up and down.First communication module can correspondence with foreign country, externally receive control information, or outwards feedback information；First
Controller is used to be assigned to the first drive module and the first lift 31 according to the control information that the first communication module is received
Control instruction；First drive module is used to receive the control instruction that the first controller is assigned, and adjusts X-ray according to control instruction
The position of locomotive, the first lift 31 is used to receive the instruction that the first controller is assigned, and adjusts first liter according to control instruction
The height of drop machine 31, so as to adjust the height of X-ray production apparatus 2.
Imaging wooden handcart 5 is internally provided with second controller, second communication module and the second drive module, imaging wooden handcart 5
The second lift 51 is provided with, digital imagery plate 4 is arranged on the second lift 51, can be moved up and down with the second lift 51.
Second communication module can correspondence with foreign country, externally receive control information, or outwards feedback information；Second controller is used for according to institute
The control information for stating second communication module reception assigns control instruction to the second drive module and the second lift 51；Second driving
Module is used to receive the control instruction that second controller is assigned, and is adjusted to the position as wooden handcart, second liter according to control instruction
Drop machine 51 is used to receive the instruction that second controller is assigned, and adjusts the height of the second lift 51 according to control instruction, so that
Adjust the height of digital imagery plate 4.
In specific implementation process, the first drive module and the second drive module include motor.
X-ray production apparatus 2 is internally provided with the 3rd controller, third communication module and X-ray emission module.Third communication module
Can correspondence with foreign country, external reception control information or outside feedback information.3rd controller is used for according to the third communication mould
The control information that block is received assigns control instruction to X-ray emission module, and the control instruction includes beating opening/closing X-ray hair
Penetrate, adjust x-ray radiation etc..X-ray emission module is used to beat opening/closing X-ray according to the control instruction of the 3rd controller
Transmitting, adjustment x-ray radiation etc..
Digital imagery plate 4 is internally provided with the 4th controller, fourth communication module and projection module.Fourth communication module can
Correspondence with foreign country, externally receives control information or outside feedback information.4th controller is used for according to the fourth communication module
The control information of reception assigns control instruction to projection module, and the control instruction includes beating opening/closing two-dimensional projection.Projective module
Block is used to beat opening/closing two-dimensional projection function according to the control instruction of the 4th controller.
In specific implementation process, first communication module, second communication module, third communication module and fourth communication module
Include WIFI module or bluetooth module.
Detect that terminal 1 includes central controller 11, apparatus for adjusting position 12, display device 13 and communicator 14.Such as Fig. 2
Shown, apparatus for adjusting position 12 is communicated to connect with central controller 11, communicator 14 successively.
Apparatus for adjusting position 12 is used for the position for adjusting X-ray production apparatus and digital imaging plate, and Regulate signal is sent into institute
State central controller 11, central controller 11 receives Regulate signal, and by communicator 14 to X-ray production apparatus 2, X-ray locomotive
3rd, digital imagery plate 4 and imaging wooden handcart 5 send control information.
Device under test 8 carry out X-ray Non-Destructive Testing before, by operating position adjusting means 12 adjust X-ray production apparatus and
The position of digital imagery plate.In specific implementation process, pass through operating position adjusting means 12, regulation X-ray locomotive 3, first
Lift 31, and then adjust the position of X-ray production apparatus 2 and digital imaging plate 4.X-ray production apparatus 2 and digital imaging plate 4 are set respectively
In the both sides of Devices to test 8, and X-ray production apparatus 2, Devices to test 8 and digital imaging plate 4 are point-blank, it is ensured that X-ray production apparatus is sent out
The x-ray bombardment of injection is on Devices to test, and digital imagery plate can obtain the X-ray that is perforated through Devices to test and being capable of shape
Into two-dimensional projection.
In specific implementation process, apparatus for adjusting position 12 includes touching adjusting key or regulating key etc..
It is described detection terminal 1 by communicator 14 respectively with the X-ray production apparatus 2, X-ray locomotive 3, digital imagery plate 4
Communicated to connect with imaging wooden handcart 5.In embodiments of the present invention, communicator 14 communicates mould with first communication module, second respectively
Block, third communication module and the communication connection of fourth communication module, thus realize detection terminal 1 and X-ray production apparatus 2, X-ray locomotive 3,
The communication connection of digital imagery plate 4 and imaging wooden handcart 5.The communicator 14 be used for the X-ray production apparatus 2, X-ray locomotive 3,
Digital imagery plate 4 and imaging wooden handcart 5 send the control information of the central controller 11, receive the X-ray production apparatus 2, X-ray production apparatus
Car 3, digital imagery plate 4 and the imaging feedack of wooden handcart 5.In specific implementation process, communicator 14 includes leading to first
WIFI module or bluetooth module that letter module, second communication module, third communication module and fourth communication module match.
The two-dimensional projection of acquisition by fourth communication module can be sent to central controller 11 by digital imagery plate 4.Center
Controller 11 includes image capture module 111 and the image analysis module 112 being sequentially connected, and described image acquisition module 111 is used
In obtaining two-dimensional projection that the digital imagery plate obtains and carrying out IMAQ, the radioscopic image of Devices to test 8 is obtained.
In specific implementation process, the radioscopic image of described image acquisition module collection is X-ray digital image.
Image analysis module 112 is used for the radioscopic image for analyzing the collection of described image acquisition module 111, calculates simultaneously
Determine the defect or failure of the Devices to test 8.
In a kind of possible embodiment, as shown in figure 3, described image analysis module 112 includes：Image preprocessing submodule
Block 1121, image-region divide submodule 1122, image outline extracting sub-module 1123, Size calculation submodule 1124 and defect
Or failure determination sub-module 1125.
Described image pre-processes submodule 1121, for by the radioscopic image denoising of acquisition, by denoising
Radioscopic image gray processing processing afterwards, obtains the gray value of the radioscopic image all pixels point.
Described image region division submodule 1122, for the gray value of the radioscopic image all pixels point to be generated
The gray level co-occurrence matrixes of four direction, derive the correlation of each pixel, and divide the radioscopic image according to the correlation
Into some regions, wherein, each the gray level co-occurrence matrixes of the region all pixels point is related identical.
Described image contours extract submodule 1123, the image outline for extracting each region.
The Size calculation submodule 1124, for the image outline according to each region, calculates each region corresponding
The size of Devices to test.
Defect or the failure determination sub-module 1125, for by the size of the corresponding Devices to test in each region with it is default
Corresponding region actual size contrast, determines the defect or failure in radioscopic image property data base.
The central controller 11 is also communicated to connect with the display device 13.The display device 13 is used for aobvious to user
Show the radioscopic image of the Devices to test of image capture module collection.
In a kind of possible embodiment, the display device 13 includes detection status display submodule.
The detection status display submodule, for showing X-ray Non-Destructive Testing state, the X-ray Non-Destructive Testing shape
State is included in X-ray image acquisition, X-ray image acquisition is completed or radioscopic image analysis is completed.
In specific implementation process, the detection status display submodule includes the indicator lamp of three kinds of colors of red, yellow, and green,
Red led is bright to be represented in X-ray image acquisition, and yellow indicator lamp is bright to represent X-ray image acquisition completion, green indicating lamp
It is bright to represent X-ray analysis completion.User can determine X-ray Non-Destructive Testing state according to three kinds of indicator lamps.
In a kind of possible embodiment, the detection terminal 1 also includes voice cue module, the voice cue module
Electrically connected with the central controller 11, for pointing out X-ray Non-Destructive Testing state.For example, detection terminal can be carried by voice
Show module prompts current X-ray Non-Destructive Testing state be X-ray image acquisition in, X-ray image acquisition complete or radioscopic image
Analysis is completed.
User efficiently operates the X-ray nondestructive detection system for convenience, obtains preferably experience, the detection terminal
1 also includes keyboard input module, and the keyboard input module includes pre- hot key, key collection button and a key and stopped key, institute
Pre- hot key, key collection button and a key is stated to stop key and electrically connect with the central controller 11 respectively.Press preheating and build use
In the preheating of X-ray nondestructive detection system；Next key collection button is pressed, X-ray nondestructive detection system can be set so that automatic data collection is to be measured
Standby radioscopic image；Press opinion to stop key, X-ray nondestructive detection system can be automatically stopped ongoing action.
In a kind of possible embodiment, the system also includes first laser range unit 6 and second laser ranging is filled
Put 7, wherein, the first laser range unit 6 is arranged on the X-ray production apparatus 2, for measure the X-ray production apparatus 2 with it is to be measured
Spacing between equipment 8；The second laser range unit 7 is arranged on the digital imagery plate 4, for measuring the numeral
Spacing between imaging plate 4 and Devices to test 8.The first laser range unit 6, second laser range unit 7 respectively with institute
Communicator 14 is stated to communicate to connect.
In specific implementation process, the first laser range unit 6, second laser range unit 7 are respectively arranged with
Five communication modules and the 6th communication module, fifth communication module and the 6th communication module are communicated to connect with communicator 14 respectively.
When device under test 8 carries out X-ray Non-Destructive Testing, the X that fifth communication module is used to measure first laser range unit 6 is penetrated
Spacing between line machine 2 and Devices to test 8 is sent to detection terminal 1；6th communication module be used for by digital imagery plate 4 with it is to be measured
Spacing between equipment 8 is sent to detection terminal 1.
Further, user checks the information at X-ray Non-Destructive Testing scene for convenience, and the system is also taken the photograph including scene
As head, the live camera is arranged on X-ray production apparatus, and the live camera is communicated to connect with communicator 14.Scene is taken the photograph
As head is used to shoot the live picture of X-ray Non-Destructive Testing, detection terminal 1 is sent to by communicator 14.User can pass through
Display device checks the picture at X-ray Non-Destructive Testing scene.
Further, user sets x-ray radiation for convenience, and the detection terminal 1 is also set including x-ray radiation
Cover half block.X-ray radiation setting module is electrically connected with the central controller 11, the X-ray for setting X-ray production apparatus transmitting
Amount of radiation.In specific implementation process, the amount of radiation of the X-ray of X-ray production apparatus transmitting can be shown by display device, be used
Family can check the amount of radiation of current X-ray in good time.
In embodiments of the present invention, the detection terminal 1 includes mobile phone or Pad.
The embodiment of the present invention provides a kind of X-ray nondestructive detection system, including：Detect terminal, X-ray production apparatus, X-ray production apparatus
Car, digital imagery plate and imaging wooden handcart, wherein, the detection terminal includes central controller, apparatus for adjusting position, display device
And communicator；The apparatus for adjusting position is connected with the central controller, communication successively, the position adjustments
Device, for adjusting the position of the X-ray production apparatus and digital imaging plate, and is sent to the central controller by Regulate signal；
The central controller is also communicated to connect with the display device；The detection terminal is penetrated with the X respectively by communicator
Line machine, X-ray locomotive, digital imagery plate and imaging wooden handcart communication connection, the communicator are used to penetrate to the X-ray production apparatus, X
Line locomotive, digital imagery plate and imaging wooden handcart send the control information of the central controller, receive the X-ray production apparatus, X-ray
Locomotive, digital imagery plate and imaging wooden handcart feedack；The central controller includes the image capture module being sequentially connected
And image analysis module, described image acquisition module is for obtaining the two-dimensional projection of the digital imagery plate acquisition and being schemed
As collection, the radioscopic image of Devices to test is obtained；Described image analysis module is used to analyze the collection of described image acquisition module
The radioscopic image, is calculated and determined the defect or failure of the Devices to test.X-ray provided in an embodiment of the present invention is lossless
Detecting system, X-ray production apparatus, X-ray locomotive, digital imagery can be adjusted by the apparatus for adjusting position being arranged in detection terminal
The position of plate and imaging wooden handcart, makes X-ray production apparatus, Devices to test and imaging plate point-blank；It is arranged in detection terminal
Image capture module can gather the radioscopic image of Devices to test, and image analysis module can penetrate the X that image capture module is gathered
Line image is analyzed and calculated, so that it is determined that the defect and failure of Devices to test.The system is analyzed and counted without staff
Calculate, automatically analyze out the internal flaw or failure of Devices to test, accuracy rate is high.
Based on identical technical concept, the embodiment of the present invention also provides a kind of X-ray lossless detection method, using above-mentioned reality
The X-ray nondestructive detection system of example offer is applied, methods described includes：
Step S100：Detection terminal control X-ray production apparatus and digital imaging plate are moved to the both sides of Devices to test, and the X
X-ray machine X, digital imagery plate, Devices to test are on same straight line.
Step S200：X-ray production apparatus transmitting X-ray is controlled, the two-dimensional projection of acquisition is sent to institute by the digital imagery plate
State detection terminal.
Step S300：The detection terminal carries out X-ray image acquisition.
In specific implementation process, X-ray image acquisition is carried out to the two-dimensional projection that the digital imagery plate is sent, obtained
The radioscopic image of Devices to test.
Step S400：The detection terminal carries out radioscopic image analysis, determines the defect or failure of Devices to test.
In a kind of possible embodiment, step S400 embodiment, referring to Fig. 4, including：
Step S410：By the radioscopic image denoising of acquisition, by the radioscopic image gray processing after denoising
Processing, obtains the gray value of the radioscopic image all pixels point.
In specific implementation process, the radioscopic image of the Devices to test obtained in step S300 is subjected to denoising, gone
The method of processing of making an uproar has a variety of, such as medium filtering, linear filtering.Radioscopic image after denoising is subjected to gray processing
Processing, obtains the gray value of above-mentioned image all pixels point.
Step S420：The gray value of the radioscopic image all pixels point is generated to the gray level co-occurrence matrixes of four direction,
The correlation of each pixel is derived, and the radioscopic image is divided into by some regions according to the correlation, wherein, Mei Gesuo
State region all pixels point gray level co-occurrence matrixes it is related identical.
In specific implementation process, the meeting angle value of the radioscopic image all pixels point is generated to the gray scale of four direction
Co-occurrence matrix, the four direction includes：0 °, 45 °, 90 ° and 135 °.In order to more intuitively describe the texture situation of image, root
According to gray level co-occurrence matrixes, the correlation of each pixel is derived.Correlation can metric space gray level co-occurrence matrixes element in row or column
On similarity degree.The radioscopic image is divided into by some regions according to the correlation, wherein, all pictures in each region
Vegetarian refreshments it is related identical.
Step S430：Extract the image outline in each region.
In specific implementation process, extracting the method for the image outline in region has a variety of, such as first differential method, second-order differential
Method etc..
Step S440：According to the image outline in each region, the size of the corresponding Devices to test in each region is calculated.
In specific implementation process, it is necessary to measure between X-ray production apparatus and Devices to test before the size in each region of calculating
Spacing, digital imagery plate and Devices to test between spacing, the size in each region is calculated, according to following equation：
The size of the corresponding Devices to test in each region is calculated, wherein, H0For the size in each region of radioscopic image, H is
The size of the corresponding Devices to test in each region calculated, L0For the spacing between X-ray production apparatus and Devices to test, L for numeral into
As the spacing between plate and Devices to test, H0Value can be got by image analysis module measurement.
In a kind of possible embodiment, spacing, digital imagery plate between X-ray production apparatus and Devices to test are set with to be measured
Spacing between standby can be surveyed by the first laser range unit and second that are arranged on X-ray production apparatus and imaging plate respectively
Amount, while X-ray image acquisition is carried out, first laser range unit and second laser range unit send measurement result
To central controller.When carrying out graphical analysis, X photographed images sizes are measured, while the two data are obtained, according to above-mentioned public affairs
Formula, calculates the size of the corresponding Devices to test in each region of radioscopic image.
Step S450：By the size of the corresponding Devices to test in each region with it is right in default radioscopic image property data base
The region actual size contrast answered, determines the defect or failure.
Wherein, preset radioscopic image characteristic figure include Devices to test normal X ray image and it is described normally
The actual size in the corresponding region of radioscopic image.
In a kind of possible embodiment, step S450 embodiment includes：
One by one by the size of the corresponding Devices to test in each region and corresponding area in default radioscopic image property data base
Domain actual size contrast, calculates the difference percentage in each region.
Judge whether the difference percentage in each region is more than 5%.
If difference percentage is more than or equal to 5%, the region is defect or failure.
If difference percentage is less than 5%, the region is normal region.
In a kind of possible embodiment, in order to more accurately judge defect or failure, for being judged as defect or failure
Region can carry out repeat shoot radioscopic image, analyzed, judged according to above-mentioned steps.
Between the embodiment of each in this specification identical similar part mutually referring to.Especially for detecting system
For embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is implemented referring to method
Explanation in example.
Those skilled in the art will readily occur to its of the present invention after the disclosure that specification and practice are invented here is considered
Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
Invention described above embodiment is not intended to limit the scope of the present invention..
Claims (10)
1. a kind of X-ray nondestructive detection system, it is characterised in that the system includes：Detect terminal, X-ray production apparatus, X-ray production apparatus
Car, digital imagery plate and imaging wooden handcart, wherein,
The detection terminal includes central controller, apparatus for adjusting position, display device and communicator；
The apparatus for adjusting position is connected with the central controller, communication successively, the apparatus for adjusting position, is used
In the position of the regulation X-ray production apparatus and digital imaging plate, and Regulate signal is sent to the central controller；The center
Controller is also communicated to connect with the display device；
It is described detection terminal by communicator respectively with the X-ray production apparatus, X-ray locomotive, digital imagery plate and imaging wooden handcart
Communication connection, the communicator is used to send described to the X-ray production apparatus, X-ray locomotive, digital imagery plate and imaging wooden handcart
The control information of central controller, receives the letter of the X-ray production apparatus, X-ray locomotive, digital imagery plate and imaging wooden handcart feedback
Breath；
The central controller includes image capture module and the image analysis module being sequentially connected, and described image acquisition module is used
In obtaining two-dimensional projection that the digital imagery plate obtains and carrying out IMAQ, the radioscopic image of Devices to test is obtained；Institute
The radioscopic image that image analysis module is used to analyze the collection of described image acquisition module is stated, is calculated and determined described to be measured
The defect or failure of equipment.
2. the system as claimed in claim 1, it is characterised in that also filled including first laser range unit and second laser ranging
Put, wherein,
The first laser range unit is arranged on the X-ray production apparatus, for measuring between the X-ray production apparatus and Devices to test
Spacing；The second laser range unit is arranged on the digital imagery plate, for measuring the digital imagery plate with treating
Spacing between measurement equipment；The first laser range unit, second laser range unit respectively with the communication
Connection.
3. the system as claimed in claim 1, it is characterised in that described image analysis module includes：
Image preprocessing submodule, for by the radioscopic image denoising of acquisition, by the X ray picture after denoising
As gray processing processing, the gray value of the radioscopic image all pixels point is obtained；
Image-region divides submodule, the ash for the gray value of the radioscopic image all pixels point to be generated to four direction
Co-occurrence matrix is spent, the correlation of each pixel is derived, and the radioscopic image is divided into by some regions according to the correlation,
Wherein, the gray level co-occurrence matrixes of each region all pixels point is related identical；
Image outline extracting sub-module, the image outline for extracting each region；
Size calculation submodule, for the image outline according to each region, calculates the chi of the corresponding Devices to test in each region
It is very little；
Defect or failure determination sub-module, for the size of the corresponding Devices to test in each region and default radioscopic image is special
Corresponding region actual size contrast in database is levied, the defect or failure is determined.
4. the system as claimed in claim 1, it is characterised in that the display device includes：
Status display submodule is detected, for showing X-ray Non-Destructive Testing state, the X-ray Non-Destructive Testing state is penetrated including X
In line image collection, X-ray image acquisition is completed or radioscopic image analysis is completed.
5. the system as claimed in claim 1, it is characterised in that the detection terminal also includes keyboard input module, described to press
Key input module includes pre- hot key, key collection button and a key and stopped key, the pre- hot key, key collection button and a key
Stop key and electrically connected respectively with the central controller.
6. the system as claimed in claim 1, it is characterised in that the detection terminal also includes voice cue module, institute's predicate
Sound reminding module is electrically connected with the central controller, for pointing out X-ray Non-Destructive Testing state.
7. the system as claimed in claim 1, it is characterised in that the detection terminal also includes x-ray radiation setting module,
The x-ray radiation setting module is electrically connected with the central controller, the spoke of the X-ray for setting X-ray production apparatus transmitting
The amount of penetrating.
8. the system as claimed in claim 1, it is characterised in that the detection terminal includes mobile phone or Pad.
9. a kind of X-ray lossless detection method, it is characterised in that methods described includes：
Detection terminal control X-ray production apparatus and digital imaging plate are moved to the both sides of Devices to test, and the X-ray production apparatus, numeral into
As plate, Devices to test are on same straight line；
X-ray production apparatus transmitting X-ray is controlled, the two-dimensional projection of acquisition is sent to the detection terminal by the digital imagery plate；
The detection terminal carries out X-ray image acquisition；
The detection terminal carries out radioscopic image analysis, determines the defect or failure of Devices to test.
10. method as claimed in claim 9, it is characterised in that the detection terminal carries out radioscopic image analysis, it is determined that treating
The defect or failure of measurement equipment, including：
By the radioscopic image denoising of acquisition, the radioscopic image gray processing after denoising is handled, the X is obtained
The gray value of ray image all pixels point；
The gray value of the radioscopic image all pixels point is generated to the gray level co-occurrence matrixes of four direction, each pixel is derived
The correlation of point, and the radioscopic image is divided into by some regions according to the correlation, wherein, each all pictures in region
The gray level co-occurrence matrixes of vegetarian refreshments it is related identical；
Extract the image outline in each region；
According to the image outline in each region, the size of the corresponding Devices to test in each region is calculated；
By the size of the corresponding Devices to test in each region actual chi in region corresponding with default radioscopic image property data base
Very little contrast, determines the defect or failure.
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Application publication date: 20170808 |