CN109827979A - A kind of efficiently online CT scan imaging method and system - Google Patents
A kind of efficiently online CT scan imaging method and system Download PDFInfo
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- CN109827979A CN109827979A CN201910055432.5A CN201910055432A CN109827979A CN 109827979 A CN109827979 A CN 109827979A CN 201910055432 A CN201910055432 A CN 201910055432A CN 109827979 A CN109827979 A CN 109827979A
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Abstract
The present invention provides a kind of efficiently online CT scan imaging methods, comprising: S1, installs detector, sample, radiographic source respectively in the way of upper, middle and lower；S2, the detector and/or radiographic source are correspondingly provided with power unit, change the position of detector and/or radiographic source by power unit, make the sampling area of detector, the imaging region of sample, radiographic source focus on same straight line, opposite sample different angle carry out Image Acquisition；S3, the scan image of the opposite sample different angle of acquirement is subjected to CT reconstruction, image recognition analysis is carried out to reconstructed results.Efficiently online CT scan imaging method and system of the present invention can flexibly be embedded into online production equipment, time without sample, imaging efficiency is high, and due to being scanned using conveying-type, the quick online CT detection to batch sample may be implemented in the sweep time for effectively shortening single sample to be tested.
Description
Technical field
The invention belongs to CT scan technical fields, more particularly, to a kind of efficiently online CT scan imaging method and are
System.
Background technique
As the integrated level of circuit board is higher and higher, to reliability, higher requirements are also raised.It can be real by X-ray
When image checking welding quality of circuit board, be very common method.The defects of may determine that rosin joint, short circuit, open circuit.With envelope
The encapsulation chip such as development BGA, CSP of dress technology in high volume uses in the circuit board, but original X-ray Real Time Image System,
The circuit board that chip has been mounted suitable for detecting single side cannot distinguish between vertically superposed defect problem.
X ray CT imaging system can overcome disadvantages mentioned above, can carry out layering section detection, can to high density,
Two-sided attachment, multi-layer board carry out the image checking of high quality.But traditional CT system scan efficiency is low, when single-piece Sample Scan
Between at 10 minutes or more, it is at high cost in high volume detection efficiency is low piece by piece, cannot meet the requirements.
Summary of the invention
In view of this, the present invention is directed to propose a kind of efficiently online CT scan imaging method and system, existing to solve
X-ray CT system sweep time it is long, low efficiency, the problem of not being able to satisfy the demand quickly detected.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of efficiently online CT scan imaging method, comprising:
S1, detector, sample, radiographic source are installed respectively in the way of upper, middle and lower；
S2, the detector and/or radiographic source are correspondingly provided with power unit, by power unit change detector and/or
The position of radiographic source, make the sampling area of detector, the imaging region of sample, radiographic source focus in same straight line
On；
S3, the scan image of the opposite sample different angle of acquirement is subjected to CT reconstruction, figure is carried out to reconstructed results
As discriminance analysis.
Further, the power unit is horizontal power unit and/or lifting drive unit.
Further, the lifting drive unit is also used to adjust detector and sample and radiographic source and is tested
The distance between sample, and then realize the adjusting of amplification ratio.
Further, at the same detection sample to be tested be more than one, the quantity or imaging region of the detector with
The quantity of sample to be tested is identical.
Further, the sample to be tested is also correspondingly provided with power unit, changes the position of sample to be tested by power unit
It sets, adjusts the focus of the sampling area of detector, the imaging region of sample, radiographic source quickly on same straight line.
A kind of efficiently online CT scan imaging system, including detector, sample to be tested, radiographic source, in upper, middle and lower according to
Secondary installation, the detector and/or radiographic source are correspondingly provided with power device；
The power device makes adopting for detector by power device for changing the position of detector and/or radiographic source
Sample region, the imaging region of sample, radiographic source focus on same straight line.
Further, the sample to be tested is also correspondingly provided with power device, changes the position of sample to be tested by power device
It sets.
Further, the detector be more than one, while detect sample to be tested quantity and detector quantity
Or detector image-forming region is identical.
Further, the power device is horizontal power device and/or lifting power plant；
The horizontal power device is for providing the power moved horizontally；
The lifting power plant is for providing vertically movable power.
Compared with the existing technology, efficiently online CT scan imaging method of the present invention has the advantage that
Efficiently online CT scan imaging method and system of the present invention can flexibly be embedded into online production equipment
In, without the time of sample, imaging efficiency is high, and due to being scanned using conveying-type, effectively shortens individually to test sample
The quick online CT detection to batch sample may be implemented in the sweep time of product.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is efficient online one schematic diagram of CT scan imaging method form described in the embodiment of the present invention；
Fig. 2 is efficient online two schematic diagram of CT scan imaging method form described in the embodiment of the present invention；
Fig. 3 is efficient online three schematic diagram of CT scan imaging method form described in the embodiment of the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of efficiently online CT scan imaging method, comprising:
S1, detector, sample, radiographic source are installed respectively in the way of upper, middle and lower；
S2, the detector and/or radiographic source are correspondingly provided with power unit, by power unit change detector and/or
The position of radiographic source, make the sampling area of detector, the imaging region of sample, radiographic source focus in same straight line
On, after realization forms same straight line, the Image Acquisition of different angle；
S3, the scan image of the opposite sample different angle of acquirement is subjected to CT reconstruction, figure is carried out to reconstructed results
As discriminance analysis.
The power unit is horizontal power unit and/or lifting drive unit.
The lifting drive unit is also used to adjust between detector and sample and radiographic source and sample
Distance, and then realize the adjusting of amplification ratio.
The sample to be tested of detection is more than one simultaneously, the quantity or imaging region of the detector and sample to be tested
Quantity is identical.
The sample to be tested is also correspondingly provided with power unit, changes the position of sample to be tested by power unit, makes to detect
The sampling area of device, the imaging region of sample, radiographic source focus quickly adjust on same straight line.
A kind of efficiently online CT scan imaging system, including detector, sample to be tested, radiographic source, in upper, middle and lower according to
Secondary installation, the detector and/or radiographic source are correspondingly provided with power device；
The sample to be tested is also correspondingly provided with power device, changes the position of sample to be tested by power device.
The detector is more than one, while the quantity of sample to be tested and the quantity of detector or detector detected
Imaging region is identical.
The power device is horizontal power device and/or lifting power plant；The horizontal power device is for providing
The power moved horizontally；The lifting power plant is for providing vertically movable power.
Since radiographic source, detector and sample to be tested are all correspondingly provided with power device, in order to make the sampling of detector
Region, the imaging region of sample, radiographic source focus on same straight line, many different forms group can be used
It closes, as shown in Figure 1, moving horizontally using detector and sample to be tested, the motionless form of radiographic source in the detection process may be used
With as shown in Fig. 2, height adjustment can be carried out to the height of detector or sample to be tested or radiographic source by power device,
Three is set to reach the requirement of detection within the shortest time, as shown in figure 3, using detector and radiographic source progress level
It is mobile, and sample to be tested itself is fixed, and realizes that the purpose quickly scanned, specific combining form are not limited in this way
The form of Fig. 1, Fig. 2, Fig. 3 can also carry out comprehensive adjustment by detector, sample to be tested, the corresponding power device of radiographic source,
Either go up and down or move horizontally, by most fastly realize testing goal in the form of based on.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of efficiently online CT scan imaging method characterized by comprising
S1, detector, sample, radiographic source are installed respectively in the way of upper, middle and lower；
S2, the detector and/or radiographic source are correspondingly provided with power unit, change detector and/or ray by power unit
The position in source, make the sampling area of detector, the imaging region of sample, radiographic source focus on same straight line；
S3, the scan image of the opposite sample different angle of acquirement is subjected to CT reconstruction, image knowledge is carried out to reconstructed results
It does not analyze.
2. efficiently online CT scan imaging method according to claim 1, it is characterised in that: the power unit is water
Flat power unit and/or lifting drive unit.
3. efficiently online CT scan imaging method according to claim 1, it is characterised in that: the lifting drive unit
It is also used to adjust detector and sample and the distance between radiographic source and sample, and then realizes the tune of amplification ratio
Section.
4. it is according to claim 1 efficiently online CT scan imaging method, it is characterised in that: while detection to test sample
Product are more than one, and the quantity or imaging region of the detector are identical as the quantity of sample to be tested.
5. efficiently online CT scan imaging method according to claim 1, it is characterised in that: the sample to be tested is also right
Power unit should be equipped with, change the position of sample to be tested by power unit, make the sampling area of detector, sample at
As the focus of region, radiographic source is quickly adjusted on same straight line.
6. a kind of efficiently online CT scan imaging system, it is characterised in that: including detector, sample to be tested, radiographic source, be in
Upper, middle and lower are successively installed, and the detector and/or radiographic source are correspondingly provided with power device；
The power device makes the sample region of detector by power device for changing the position of detector and/or radiographic source
Domain, the imaging region of sample, radiographic source focus on same straight line.
7. efficiently online CT scan imaging system according to claim 5, it is characterised in that: the sample to be tested is also right
It should be equipped with power device, change the position of sample to be tested by power device.
8. efficiently online CT scan imaging system according to claim 5, it is characterised in that: the detector is one
More than, while the quantity of sample to be tested detected is identical as the quantity of detector or detector image-forming region.
9. according to any efficient online CT scan imaging system of claim 5-8, it is characterised in that: the power dress
It is set to horizontal power device and/or lifting power plant；
The horizontal power device is for providing the power moved horizontally；
The lifting power plant is for providing vertically movable power.
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