CN102393399A - Device and method for forming X-ray flying spot - Google Patents
Device and method for forming X-ray flying spot Download PDFInfo
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- CN102393399A CN102393399A CN2011102449365A CN201110244936A CN102393399A CN 102393399 A CN102393399 A CN 102393399A CN 2011102449365 A CN2011102449365 A CN 2011102449365A CN 201110244936 A CN201110244936 A CN 201110244936A CN 102393399 A CN102393399 A CN 102393399A
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Abstract
The invention provides a device and a method for forming an X-ray flying spot. The device comprises a ray source, a ray source collimator and a rotating shaft, wherein the ray source collimator is positioned on a beam output window of the ray source; and the rotating shaft is positioned at one side of the ray source collimator and is at least provided with two circles of spiral grooves. The device also comprises a time circuit breaker which is positioned at one side of the rotating shaft, from which beams are output. According to the device and the method for forming the X-ray flying spot which are disclosed by the invention, the time circuit breaker is matched with the rotating shaft provided with a plurality of circles of spiral grooves, so that the pitch range of X ray is widened. In addition, only one X-ray beam can be ensured to pass at any moment, and thus the stability of the device is improved.
Description
Technical field
The present invention relates to a kind of x-ray imaging technology, and relate in particular to the apparatus and method that a kind of X ray flying spot forms.
Background technology
In the prior art and technology provided by the present invention immediate be the patent of a piece by name " formation apparatus and method of X ray flying spot ", please refer to Fig. 1; Fig. 1 is the formation apparatus structure synoptic diagram of prior art X ray flying spot, and is as shown in Figure 1, and radiographic source collimating apparatus 11 is straight line seam collimating apparatus; Between radiographic source 10 and turning axle 12, the X ray 20 of radiographic source 10 outgoing forms sector shape through straight line seam collimating apparatus 11 backs, and helicla flute 13 is arranged on the turning axle 12; The degree of depth of said helicla flute 13 is to can transmitted X-rays 10, and the X ray 10 that sees through forms with the rotation of turning axle and dullly rises or descend, and purpose is to make behind the turning axle 12 of X ray 21 through band helicla flute 13 of straight line seam collimating apparatus 11 outgoing; Form an X-ray bundle 23; This X-ray bundle 23 is a form of a stroke or a combination of strokes X-ray speed, and promptly to fall on the testee 15 be a point to X-ray bundle 23, after scattering on the testee 15; Be scattered detector 14 and accept, scattering detector 14 is between testee 15 radiographic sources 10 among Fig. 1.Because turning axle 12 constantly rotates; The X ray 10 that sees through forms dull the rising or decline with the rotation of turning axle; Thereby make the position of dropping on the X-ray bundle 23 on the testee 15 move up and down; Formation is to the scanning of testee 15, and the signal of accepting X ray 24 with scattering detector 14 among Fig. 1 just can obtain backscatter images through processing.But there are a problem in said apparatus and method; Promptly can only under the very little ray elevation angle, use, please refer to Fig. 2, Fig. 2 is the ray elevation angle synoptic diagram of the formation device of prior art X ray flying spot; Only the X ray in the ray elevation coverage just can penetrate through turning axle.In addition, when helicla flute when being a plurality of, synchronization will produce a plurality of flying spots, can influence final imaging effect, reduce the reliability of device.
Summary of the invention
The problem that the present invention solves is that the X ray that exists in the formation apparatus and method of X ray flying spot in the prior art is subject to ray elevation angle problem of smaller.
To achieve these goals, the invention provides a kind of formation device of X ray flying spot, comprising: radiographic source; The radiographic source collimating apparatus is positioned at the said radiogenic window that goes out to restraint; Turning axle is positioned at a side of said radiographic source collimating apparatus, has helicla flute on the said turning axle; At least have the said helicla flute of two circles on the said turning axle, the time isolating switch, said time isolating switch is positioned at a side of said turning axle.
Optional, the said spiral fluted degree of depth is to can transmitted X-rays, and the X ray that sees through forms with the rotation of turning axle and dullly rises or descend.
Optional, said radiographic source collimating apparatus is a straight line seam collimating apparatus.
Optional, said turning axle is between said radiographic source and said radiographic source collimating apparatus.
Optional, said radiographic source collimating apparatus is between said radiographic source and said turning axle.
To achieve these goals, the present invention also provides a kind of formation device of X ray flying spot, comprising: radiographic source; The radiographic source collimating apparatus is positioned at the said radiogenic window that goes out to restraint, and said radiographic source collimating apparatus is one to comprise the rectangular parallelepiped of straight line seam; Turning axle is arranged in the said radiographic source collimating apparatus, has helicla flute on the said turning axle; At least have the said helicla flute of two circles on the said turning axle, time isolating switch, said time isolating switch also are arranged in the said radiographic source collimating apparatus, and said time isolating switch is positioned at a side of said turning axle.
Optional, the said spiral fluted degree of depth is to can transmitted X-rays, and the X ray that sees through forms with the rotation of turning axle and dullly rises or descend.
To achieve these goals, the present invention also provides a kind of method that forms the X ray flying spot, comprising: radiographic source produces ray; Said ray forms the covering of the fan ray through said radiographic source collimating apparatus; Rotate turning axle, said ray forms the X-ray bundle through the multi-circle spiral flow groove on the turning axle, after time isolating switch outgoing, drops on the seized object.
Optional, the said spiral fluted degree of depth is to can transmitted X-rays, and the X ray that sees through forms with the rotation of turning axle and dullly rises or descend.
Optional, said radiographic source collimating apparatus is a straight line seam collimating apparatus.
To achieve these goals, the present invention also provides a kind of method that forms the X ray flying spot, comprising: radiographic source produces ray; Rotate turning axle, said ray forms the X-ray bundle, through time isolating switch outgoing through the multi-circle spiral flow groove on the said turning axle; After the ray process radiographic source collimating apparatus, drop on the seized object.
Optional, the said spiral fluted degree of depth is to can transmitted X-rays, and the X ray that sees through forms with the rotation of turning axle and dullly rises or descend.
Optional, said radiographic source collimating apparatus is a straight line seam collimating apparatus.
Owing to adopted technique scheme; Compared with prior art; The present invention has the following advantages: formation apparatus and method isolating switch service time of X ray flying spot of the present invention is used with the turning axle that has the multi-circle spiral flow groove; The existence of multi-circle spiral flow groove has increased the ray elevation angle of X ray, and the time isolating switch has been guaranteed can only pass through an X ray wire harness at any time, thereby has improved the stability of device.
Description of drawings
Fig. 1 is the formation apparatus structure synoptic diagram of prior art X ray flying spot.
Fig. 2 is the ray elevation angle synoptic diagram of the formation device of prior art X ray flying spot.
Fig. 3 is the first embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.
Fig. 4 is the revolute axes configuration synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.
Fig. 5 is the second embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.
Fig. 6 is the 3rd embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.
Fig. 7 is the 4th embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.
Fig. 8 is the 5th embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.
Fig. 9 is the 6th embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.
Figure 10 is the 7th embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.
Embodiment
Do detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
At first, please refer to Fig. 3, Fig. 3 is the first embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.Accept the situation of the signal of X ray among Fig. 3 for transmission detectors only.As shown in Figure 3, radiographic source collimating apparatus 11 is for straight line seam collimating apparatus, between radiographic source 10 and turning axle 12; The X ray 20 of radiographic source 10 outgoing forms sector shape through straight line seam collimating apparatus 11 backs; The helicla flute 13 that at least two circles are arranged on the turning axle 12, the degree of depth of said helicla flute 13 be to can transmitted X-rays 10, and the X ray 10 that sees through forms with the rotation of turning axle and dullly rises or descend; Purpose is to make behind the turning axle 12 of the X ray 21 of the straight line seam collimating apparatus 11 outgoing helicla flute 13 through having at least two circles; Form multi beam X light beam 23, time isolating switch 33 is positioned at the side that said turning axle 12 goes out bundle; Behind the multi beam X-ray bundle 23 elapsed time isolating switch 33 form of a stroke or a combination of strokes X-ray speed; Be that X-ray bundle 23 falls on the testee 15 be a point, get on the transmission detectors 16, accepted by transmission detectors 16 through the X ray 24 of testee 15 back outgoing.Because the existence of time isolating switch 33 has been guaranteed can only pass through an X ray wire harness at any time, has also increased the scope at the ray elevation angle of X ray.Because turning axle 12 constantly rotates; The X ray 10 that sees through forms dull the rising or decline with the rotation of turning axle; Thereby make the position of dropping on the X-ray bundle 23 on the testee 15 move up and down; Formation is to the scanning of testee 15, and the signal of accepting X ray 24 with transmission detectors 16 among Fig. 3 just can obtain transmission image through processing.Fig. 4 can find out clearly from Fig. 4 for the revolute axes configuration synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention, has multi-circle spiral flow groove 13 on the said turning axle 12, thereby increased the ray elevation angle.
Please refer to Fig. 5, Fig. 5 is the second embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.Accept the situation of the signal of backward scattering among Fig. 5 for scattering detector only.As shown in Figure 5, radiographic source collimating apparatus 11 is for straight line seam collimating apparatus, between radiographic source 10 and turning axle 12; The X ray 20 of radiographic source 10 outgoing forms sector shapes through straight line seam collimating apparatus 11 backs, and multi-circle spiral flow groove 13 is arranged on the turning axle 12, and the degree of depth of said helicla flute 13 is to can transmitted X-rays 10; The X ray 10 that sees through forms dull the rising or decline with the rotation of turning axle, and purpose is to make behind the turning axle 12 of X ray 21 through band helicla flute 13 of straight line seam collimating apparatus 11 outgoing formation X-ray bundle 23; Time isolating switch 33 is positioned at the side that said turning axle 12 goes out bundle, and 23 elapsed time of X-ray bundle isolating switch, 33 backs are form of a stroke or a combination of strokes X-ray speed; Be that X-ray bundle 23 falls on the testee 15 be a point; After scattering on the testee 15, be scattered detector 14 and accept, scattering detector 14 is between testee 15 radiographic sources 10 among Fig. 5.Because the existence of time isolating switch 33 has been guaranteed can only pass through an X ray wire harness at any time, has also increased the scope at the ray elevation angle of X ray.Because turning axle 12 constantly rotates; The X ray 10 that sees through forms dull the rising or decline with the rotation of turning axle; Thereby make the position of dropping on the X-ray bundle 23 on the testee 15 move up and down; Formation is to the scanning of testee 15, and the signal of accepting X ray 24 with scattering detector 14 among Fig. 5 just can obtain backscatter images through processing.
Please refer to Fig. 6, Fig. 6 is the 3rd embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.The 3rd embodiment and second embodiment are basic identical; Distinctive points is that second embodiment utilizes backward scattering; And the 3rd embodiment is scattering before utilizing, and is about to testee 15 and is positioned between radiographic source and the scattering detector 14, and the signal that scattering detector 14 is accepted X ray just can obtain preceding dispersion image through handling; Time isolating switch 33 still is positioned at the side that said turning axle goes out bundle.
Please refer to Fig. 7, Fig. 7 is the 4th embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.The 4th embodiment is the set of second embodiment and the 3rd embodiment; Promptly pass through the scattering detector 142 of scattered signal before the front and back of testee 15 are placed the scattering detector 141 of surveying the backward scattering signal and surveyed; The signal that scattering detector 141 and 142 is accepted X ray respectively just can obtain the scattering combination image through handling; Time isolating switch 33 still is positioned at the side that said turning axle goes out bundle.
Then, please refer to Fig. 8, Fig. 8 is the 5th embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention, and Fig. 8 is the situation that backward scattering and transmission combine.Radiographic source collimating apparatus 11 is for straight line seam collimating apparatus, and between radiographic source 10 and turning axle 12, the X ray 20 of radiographic source 10 outgoing forms sector shape through straight line seam collimating apparatus 11 backs; Helicla flute 13 is arranged on the turning axle 12, and the degree of depth of said helicla flute 13 is to can transmitted X-rays 10, and the X ray 10 that sees through forms with the rotation of turning axle and dullly rises or descend; Purpose is to make behind the turning axle 12 of X ray 21 through band helicla flute 13 of straight line seam collimating apparatus 11 outgoing; Form an X-ray bundle 23, time isolating switch 33 is positioned at the side that said turning axle 12 goes out bundle; 23 elapsed time of X-ray bundle isolating switch, 33 backs are form of a stroke or a combination of strokes X-ray speed; Be that X-ray bundle 23 falls on the testee 15 be a point, get on the transmission detectors 16, accepted by transmission detectors 16 through the X ray 24 of testee 15 back outgoing; X ray 23 through testee 15 backward scatterings is got on the scattering detector 14, is scattered detector 14 and accepts.Because turning axle 12 constantly rotates, the X ray 10 that sees through forms dull the rising or decline with the rotation of turning axle, thereby makes the position of dropping on the X-ray bundle 23 on the testee 15 move up and down, and forms the scanning to testee 15.Through the combination of transmission image and backscatter images, obtain final image.
Please refer to Fig. 9, Fig. 9 is the 6th embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.The difference of the 6th embodiment and the 5th embodiment is the relative position of time isolating switch 33 and turning axle 12, and in Fig. 9, what time isolating switch 33 was positioned at turning axle 12 goes into bundle one side, promptly behind the X-ray bundle elder generation elapsed time isolating switch 33, again through turning axle 12.Because arbitrary time only has a branch of ray elapsed time isolating switch 33, so incident turning axle 12 also has only a branch of ray, thereby guaranteed to be form of a stroke or a combination of strokes X-ray speed from turning axle 12 outgoing.
At last, please refer to Figure 10, Figure 10 is the 7th embodiment synoptic diagram of the formation apparatus and method of X ray flying spot of the present invention.The difference of the 7th embodiment and the 5th embodiment also is the relative position of radiographic source collimating apparatus 11 and turning axle 12, time isolating switch 33.Among the 7th embodiment; Radiographic source collimating apparatus 11 is one to comprise the rectangular parallelepiped of straight line seam; Making becomes the shell of turning axle 12 and time isolating switch 33, and turning axle 12 all is set in the said radiographic source collimating apparatus 11 with time isolating switch 33, and other effect is identical with the effect among the 5th embodiment.
Corresponding to said apparatus, the present invention also provides two kinds of methods that form the X ray flying spot:
Method one: radiographic source produces ray; Said ray forms the covering of the fan ray through said radiographic source collimating apparatus; Turning axle rotates, and the ray that forms covering of the fan forms the X-ray bundle through the multi-circle spiral flow groove on the turning axle, behind the elapsed time isolating switch, drops on the seized object.The said spiral fluted degree of depth is to can transmitted X-rays, and the X ray that sees through forms with the rotation of turning axle and dullly rises or descend, and said radiographic source collimating apparatus is a straight line seam collimating apparatus.
Method two: radiographic source produces ray; Turning axle rotates, and ray behind the elapsed time isolating switch, forms the X-ray bundle again through the multi-circle spiral flow groove on the turning axle; After the ray process radiographic source collimating apparatus, drop on the seized object.The said spiral fluted degree of depth is to can transmitted X-rays, and the X ray that sees through forms with the rotation of turning axle and dullly rises or descend, and said radiographic source collimating apparatus is a straight line seam collimating apparatus.
Though oneself discloses the present invention as above with preferred embodiment, the present invention is defined in this.Any those skilled in the art are not breaking away from the spirit and scope of the present invention, all can do various changes and modification, so protection scope of the present invention should be as the criterion with claim institute restricted portion.
Claims (10)
1. the formation device of an X ray flying spot comprises:
Radiographic source;
The radiographic source collimating apparatus is positioned at the said radiogenic window that goes out to restraint;
Turning axle is positioned at a side of said radiographic source collimating apparatus, has helicla flute on the said turning axle;
It is characterized in that: have the said helicla flute of two circles on the said turning axle at least, isolating switch between said device also comprises for the moment, said time isolating switch is positioned at a side of said turning axle.
2. the formation device of X ray flying spot according to claim 1 is characterized in that: the said spiral fluted degree of depth is to can transmitted X-rays, and the X ray that sees through forms with the rotation of turning axle and dullly rises or descend.
3. the formation device of X ray flying spot according to claim 1; It is characterized in that: said radiographic source collimating apparatus is a straight line seam collimating apparatus; Said turning axle is between said radiographic source and said radiographic source collimating apparatus, and said radiographic source collimating apparatus is between said radiographic source and said turning axle.
4. the formation device of an X ray flying spot comprises:
Radiographic source;
The radiographic source collimating apparatus is positioned at the said radiogenic window that goes out to restraint, and said radiographic source collimating apparatus is one to comprise the rectangular parallelepiped of straight line seam;
Turning axle is arranged in the said radiographic source collimating apparatus, has helicla flute on the said turning axle;
It is characterized in that: have the said helicla flute of two circles on the said turning axle at least, isolating switch between said device also comprises for the moment, said time isolating switch also is arranged in the said radiographic source collimating apparatus, and said time isolating switch is positioned at a side of said turning axle.
5. the formation device of X ray flying spot according to claim 4 is characterized in that: the said spiral fluted degree of depth is to can transmitted X-rays, and the X ray that sees through forms with the rotation of turning axle and dullly rises or descend.
6. a method that forms the X ray flying spot is characterized in that, comprising:
Radiographic source produces ray;
Said ray forms the covering of the fan ray through said radiographic source collimating apparatus;
Rotate turning axle, said ray forms the X-ray bundle through the multi-circle spiral flow groove on the turning axle, after time isolating switch outgoing, drops on the seized object.
7. the method for formation X ray flying spot according to claim 6 is characterized in that: the said spiral fluted degree of depth is to can transmitted X-rays, and the X ray that sees through forms with the rotation of turning axle and dullly rises or descend.
8. the method for formation X ray flying spot according to claim 6 is characterized in that: said radiographic source collimating apparatus is a straight line seam collimating apparatus.
9. a method that forms the X ray flying spot is characterized in that, comprising:
Radiographic source produces ray;
Rotate turning axle, said ray forms the X-ray bundle, through time isolating switch outgoing through the multi-circle spiral flow groove on the said turning axle;
After the ray process radiographic source collimating apparatus, drop on the seized object.
10. the method for formation X ray flying spot according to claim 9; It is characterized in that: the said spiral fluted degree of depth is to can transmitted X-rays; The X ray that sees through forms dull the rising or decline with the rotation of turning axle, and said radiographic source collimating apparatus is a straight line seam collimating apparatus.
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| CN201110244936.5A CN102393399B (en) | 2011-08-24 | 2011-08-24 | The forming apparatus of X ray flying spot and method |
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| CN201110244936.5A CN102393399B (en) | 2011-08-24 | 2011-08-24 | The forming apparatus of X ray flying spot and method |
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| CN102393399B CN102393399B (en) | 2015-10-28 |
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Cited By (4)
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| CN102707324A (en) * | 2012-05-21 | 2012-10-03 | 貊梁 | Backscatter and transmission combined safety detector of X rays |
| CN102901741A (en) * | 2012-09-28 | 2013-01-30 | 貊梁 | X-ray flying-spot scanning generator |
| CN117109489A (en) * | 2023-10-23 | 2023-11-24 | 北京华力兴科技发展有限责任公司 | Thickness gauge and auxiliary measuring device thereof |
| CN117109493A (en) * | 2023-10-23 | 2023-11-24 | 北京华力兴科技发展有限责任公司 | Thickness gauge and auxiliary positioning device thereof |
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| CN102393399B (en) | 2015-10-28 |
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