CN102393399B - The forming apparatus of X ray flying spot and method - Google Patents
The forming apparatus of X ray flying spot and method Download PDFInfo
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- CN102393399B CN102393399B CN201110244936.5A CN201110244936A CN102393399B CN 102393399 B CN102393399 B CN 102393399B CN 201110244936 A CN201110244936 A CN 201110244936A CN 102393399 B CN102393399 B CN 102393399B
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- radiographic source
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- flying spot
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Abstract
The invention provides a kind of forming apparatus and method of X ray flying spot, described device comprises: radiographic source; Radiographic source collimating apparatus, is positioned at describedly radiogenicly to go out to restraint window; Turning axle, is positioned at the side of described radiographic source collimating apparatus, described turning axle has helicla flute; Described turning axle at least has the described helicla flute of two circles, isolating switch between described device also comprises for the moment, described time isolating switch is positioned at the side that described turning axle goes out bundle.The forming apparatus of X ray flying spot of the present invention and method isolating switch service time and the turning axle that has a multi-circle spiral flow groove with the use of, increase the scope at the elevation angle of X ray, in addition, ensure that and by an X ray wire harness, the stability of device can only be improve at any time.
Description
Technical field
The present invention relates to a kind of x-ray imaging technology, and particularly relate to the apparatus and method of a kind of X ray flying spot formation.
Background technology
In the prior art, immediate with technology provided by the present invention is one section of patent being called " forming apparatus of X ray flying spot and method ", please refer to Fig. 1, Fig. 1 is the forming apparatus structural representation of prior art X ray flying spot, as shown in Figure 1, 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 is by forming sector shape after straight line seam collimating apparatus 11, turning axle 12 there is helicla flute 13, the degree of depth of described helicla flute 13 extremely can through X ray 10, through X ray 10 form monotone increasing or decline with the rotation of turning axle, object is after making to pass through the turning axle 12 of band helicla flute 13 from the X ray 21 of straight line seam collimating apparatus 11 outgoing, form an X-ray bundle 23, this X-ray bundle 23 is form of a stroke or a combination of strokes X-ray speed, namely X-ray bundle 23 is fallen on testee 15 is a point, on testee 15 after scattering, be scattered detector 14 to accept, in Fig. 1, scattering detector 14 is between testee 15 radiographic source 10.Because turning axle 12 constantly rotates, through X ray 10 form monotone increasing or decline with the rotation of turning axle, thus the position of the X-ray bundle 23 dropped on testee 15 is moved up and down, form scanning to testee 15, in Fig. 1, just can obtain backscatter images through process with the signal that scattering detector 14 accepts X ray 24.But there is a problem in said apparatus and method, namely can only use under the very little ray elevation angle, please refer to Fig. 2, Fig. 2 is the ray elevation angle schematic diagram of the forming apparatus of prior art X ray flying spot, X ray only in ray elevation coverage, just can be penetrated by turning axle.In addition, when helicla flute is multiple, synchronization will produce multiple flying spot, can affect final imaging effect, reduce the reliability of device.
Summary of the invention
The problem that the present invention solves is that the X ray existed in the forming apparatus of X ray flying spot in prior art and method is limited to the less problem in the ray elevation angle.
To achieve these goals, the invention provides a kind of forming apparatus of X ray flying spot, comprising: radiographic source; Radiographic source collimating apparatus, is positioned at describedly radiogenicly to go out to restraint window; Turning axle, is positioned at the side of described radiographic source collimating apparatus, described turning axle has helicla flute; Described turning axle at least has the described helicla flute of two circles, time isolating switch, described time isolating switch is positioned at the side of described turning axle.
Optionally, the described spiral fluted degree of depth to can through X ray, through X ray form monotone increasing or decline with the rotation of turning axle.
Optionally, described radiographic source collimating apparatus is straight line seam collimating apparatus.
Optionally, described turning axle is between described radiographic source and described radiographic source collimating apparatus.
Optionally, described radiographic source collimating apparatus is between described radiographic source and described turning axle.
To achieve these goals, the present invention also provides a kind of forming apparatus of X ray flying spot, comprising: radiographic source; Radiographic source collimating apparatus, be positioned at describedly radiogenicly to go out to restraint window, described radiographic source collimating apparatus is a rectangular parallelepiped comprising straight line seam; Turning axle, is arranged in described radiographic source collimating apparatus, described turning axle has helicla flute; Described turning axle at least has the described helicla flute of two circles, time isolating switch, described time isolating switch is also arranged in described radiographic source collimating apparatus, and described time isolating switch is positioned at the side of described turning axle.
Optionally, the described spiral fluted degree of depth to can through X ray, through X ray form monotone increasing or decline with the rotation of turning axle.
To achieve these goals, the present invention also provides a kind of method forming X ray flying spot, comprising: radiographic source produces ray; Described ray, through described radiographic source collimating apparatus, forms covering of the fan ray; Rotate turning axle, described ray, by the multi-circle spiral flow groove on turning axle, forms X-ray bundle, after time isolating switch outgoing, drops on tested object.
Optionally, the described spiral fluted degree of depth to can through X ray, through X ray form monotone increasing or decline with the rotation of turning axle.
Optionally, described radiographic source collimating apparatus is straight line seam collimating apparatus.
To achieve these goals, the present invention also provides a kind of method forming X ray flying spot, comprising: radiographic source produces ray; Rotate turning axle, described ray, by the multi-circle spiral flow groove on described turning axle, forms X-ray bundle, by time isolating switch outgoing; Ray, after radiographic source collimating apparatus, drops on tested object.
Optionally, the described spiral fluted degree of depth to can through X ray, through X ray form monotone increasing or decline with the rotation of turning axle.
Optionally, described radiographic source collimating apparatus is straight line seam collimating apparatus.
Owing to have employed technique scheme, compared with prior art, the present invention has the following advantages: the forming apparatus of X ray flying spot of the present invention and method isolating switch service time and the turning axle that has a multi-circle spiral flow groove with the use of, the existence of multi-circle spiral flow groove increases the ray elevation angle of X ray, time isolating switch ensure that by an X ray wire harness, thus can only improve the stability of device at any time.
Accompanying drawing explanation
Fig. 1 is the forming apparatus structural representation of prior art X ray flying spot.
Fig. 2 is the ray elevation angle schematic diagram of the forming apparatus of prior art X ray flying spot.
Fig. 3 is the forming apparatus of X ray flying spot of the present invention and the first embodiment schematic diagram of method.
Fig. 4 is the forming apparatus of X ray flying spot of the present invention and the revolute axes configuration schematic diagram of method.
Fig. 5 is the forming apparatus of X ray flying spot of the present invention and the second embodiment schematic diagram of method.
Fig. 6 is the forming apparatus of X ray flying spot of the present invention and the 3rd embodiment schematic diagram of method.
Fig. 7 is the forming apparatus of X ray flying spot of the present invention and the 4th embodiment schematic diagram of method.
Fig. 8 is the forming apparatus of X ray flying spot of the present invention and the 5th embodiment schematic diagram of method.
Fig. 9 is the forming apparatus of X ray flying spot of the present invention and the 6th embodiment schematic diagram of method.
Figure 10 is the forming apparatus of X ray flying spot of the present invention and the 7th embodiment schematic diagram of method.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
First, please refer to Fig. 3, Fig. 3 is the forming apparatus of X ray flying spot of the present invention and the first embodiment schematic diagram of method.Be that only transmission detectors accepts the situation of the signal of X ray in Fig. 3.As shown in Figure 3, 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 is by forming sector shape after straight line seam collimating apparatus 11, the helicla flute 13 that turning axle 12 has at least two to enclose, the degree of depth of described helicla flute 13 extremely can through X ray 10, through X ray 10 form monotone increasing or decline with the rotation of turning axle, object makes from the X ray 21 of straight line seam collimating apparatus 11 outgoing by after the turning axle 12 that has a helicla flute 13 of at least two circles, form multi beam X light beam 23, time isolating switch 33, be positioned at the side that described turning axle 12 goes out bundle, be a form of a stroke or a combination of strokes X-ray speed after multi beam X-ray bundle 23 elapsed time isolating switch 33, namely X-ray bundle 23 is fallen on testee 15 is a point, the X ray 24 of outgoing after testee 15 is got in transmission detectors 16, be transmitted detector 16 to accept.Due to the existence of time isolating switch 33, ensure that and by an X ray wire harness, the scope at the ray elevation angle of X ray can only be also increased at any time.Because turning axle 12 constantly rotates, through X ray 10 form monotone increasing or decline with the rotation of turning axle, thus the position of the X-ray bundle 23 dropped on testee 15 is moved up and down, form scanning to testee 15, in Fig. 3, just can obtain transmission image through process with the signal that transmission detectors 16 accepts X ray 24.Fig. 4 is the forming apparatus of X ray flying spot of the present invention and the revolute axes configuration schematic diagram of method, can find out clearly from Fig. 4, described turning axle 12 has multi-circle spiral flow groove 13, thus increases the ray elevation angle.
Please refer to Fig. 5, Fig. 5 is the forming apparatus of X ray flying spot of the present invention and the second embodiment schematic diagram of method.Be that only scattering detector accepts the situation of the signal of backward scattering in Fig. 5.As shown in Figure 5, 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 is by forming sector shape after straight line seam collimating apparatus 11, turning axle 12 there is multi-circle spiral flow groove 13, the degree of depth of described helicla flute 13 extremely can through X ray 10, through X ray 10 form monotone increasing or decline with the rotation of turning axle, object is after making to pass through the turning axle 12 of band helicla flute 13 from the X ray 21 of straight line seam collimating apparatus 11 outgoing, form X-ray bundle 23, time isolating switch 33, be positioned at the side that described turning axle 12 goes out bundle, be form of a stroke or a combination of strokes X-ray speed after X-ray bundle 23 elapsed time isolating switch 33, namely X-ray bundle 23 is fallen on testee 15 is a point, on testee 15 after scattering, be scattered detector 14 to accept, in Fig. 5, scattering detector 14 is between testee 15 radiographic source 10.Due to the existence of time isolating switch 33, ensure that and by an X ray wire harness, the scope at the ray elevation angle of X ray can only be also increased at any time.Because turning axle 12 constantly rotates, through X ray 10 form monotone increasing or decline with the rotation of turning axle, thus the position of the X-ray bundle 23 dropped on testee 15 is moved up and down, form scanning to testee 15, in Fig. 5, just can obtain backscatter images through process with the signal that scattering detector 14 accepts X ray 24.
Please refer to Fig. 6, Fig. 6 is the forming apparatus of X ray flying spot of the present invention and the 3rd embodiment schematic diagram of method.3rd embodiment is substantially identical with the second embodiment, distinctive points is that the second embodiment utilizes backward scattering, and the 3rd embodiment is scattering before utilizing, be positioned between radiographic source and scattering detector 14 by testee 15, the signal that scattering detector 14 accepts X ray just can obtain front dispersion image through process, time isolating switch 33, is still positioned at the side that described turning axle goes out bundle.
Please refer to Fig. 7, Fig. 7 is the forming apparatus of X ray flying spot of the present invention and the 4th embodiment schematic diagram of method.4th embodiment is the set of the second embodiment and the 3rd embodiment, namely by the scattering detector 142 of scattered signal before the scattering detector 141 and detection of the front and back of testee 15 placement detection backscatter signal, the signal that scattering detector 141 and 142 accepts X ray respectively just can obtain scattering combination image through process, time isolating switch 33, is still positioned at the side that described turning axle goes out bundle.
Then, please refer to Fig. 8, Fig. 8 is the forming apparatus of X ray flying spot of the present invention and the 5th embodiment schematic diagram of method, and Fig. 8 is the situation that backward scattering and transmission combine.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 is by forming sector shape after straight line seam collimating apparatus 11, turning axle 12 there is helicla flute 13, the degree of depth of described helicla flute 13 extremely can through X ray 10, through X ray 10 form monotone increasing or decline with the rotation of turning axle, object is after making to pass through the turning axle 12 of band helicla flute 13 from the X ray 21 of straight line seam collimating apparatus 11 outgoing, form an X-ray bundle 23, time isolating switch 33, be positioned at the side that described turning axle 12 goes out bundle, be form of a stroke or a combination of strokes X-ray speed after X-ray bundle 23 elapsed time isolating switch 33, namely X-ray bundle 23 is fallen on testee 15 is a point, the X ray 24 of outgoing after testee 15 is got in transmission detectors 16, be transmitted detector 16 to accept, X ray 23 through testee 15 backward scattering is got on scattering detector 14, be scattered detector 14 to accept.Because turning axle 12 constantly rotates, through X ray 10 form monotone increasing or decline with the rotation of turning axle, thus the position of the X-ray bundle 23 dropped on testee 15 is moved up and down, forms the scanning to testee 15.By the combination of transmission image and backscatter images, obtain final image.
Please refer to Fig. 9, Fig. 9 is the forming apparatus of X ray flying spot of the present invention and the 6th embodiment schematic diagram of method.The difference of the 6th embodiment and the 5th embodiment is the relative position of time isolating switch 33 and turning axle 12, in fig .9, time isolating switch 33 be positioned at turning axle 12 enter to restraint side, namely after the first elapsed time isolating switch 33 of X-ray bundle, then by turning axle 12.Because arbitrary time only has a branch of ray elapsed time isolating switch 33, therefore incident turning axle 12 also only has a branch of ray, thus ensure that from turning axle 12 outgoing for the form of a stroke or a combination of strokes X-ray speed.
Finally, please refer to Figure 10, Figure 10 is the forming apparatus of X ray flying spot of the present invention and the 7th embodiment schematic diagram of method.The difference of the 7th embodiment and the 5th embodiment is also the relative position of radiographic source collimating apparatus 11 and turning axle 12, time isolating switch 33.In 7th embodiment, radiographic source collimating apparatus 11 is a rectangular parallelepiped comprising straight line seam, make the shell becoming turning axle 12 and time isolating switch 33, turning axle 12 and time isolating switch 33 are all arranged in described radiographic source collimating apparatus 11, and other effect is identical with the effect in the 5th embodiment.
Corresponding to said apparatus, the present invention also provides two kinds of methods forming X ray flying spot:
Method one: radiographic source produces ray; Described ray, through described radiographic source collimating apparatus, forms covering of the fan ray; Turning axle rotates, and forms the ray of covering of the fan by the multi-circle spiral flow groove on turning axle, forms X-ray bundle, after elapsed time isolating switch, drop on tested object.The described spiral fluted degree of depth to can through X ray, through X ray form monotone increasing or decline with the rotation of turning axle, described radiographic source collimating apparatus is straight line seam collimating apparatus.
Method two: radiographic source produces ray; Turning axle rotates, and ray by the multi-circle spiral flow groove on turning axle, then after elapsed time isolating switch, forms X-ray bundle; Ray, after radiographic source collimating apparatus, drops on tested object.The described spiral fluted degree of depth to can through X ray, through X ray form monotone increasing or decline with the rotation of turning axle, described radiographic source collimating apparatus is straight line seam collimating apparatus.
Disclose as above with preferred embodiment although the present invention is own, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (10)
1. a forming apparatus for X ray flying spot, comprising:
Radiographic source;
Radiographic source collimating apparatus, is positioned at describedly radiogenicly to go out to restraint window;
Turning axle, is positioned at the side of described radiographic source collimating apparatus, described turning axle has helicla flute;
It is characterized in that: described turning axle at least has the described helicla flute of continuous two circle, the described spiral fluted degree of depth extremely can through X ray; Isolating switch between described device also comprises for the moment, described time isolating switch is positioned at the side of described turning axle.
2. the forming apparatus of X ray flying spot according to claim 1, is characterized in that: described through X ray form monotone increasing or decline with the rotation of turning axle.
3. the forming apparatus of X ray flying spot according to claim 1, is characterized in that: described radiographic source collimating apparatus is straight line seam collimating apparatus, and described radiographic source collimating apparatus is between described radiographic source and described turning axle.
4. a forming apparatus for X ray flying spot, comprising:
Radiographic source;
Radiographic source collimating apparatus, be positioned at describedly radiogenicly to go out to restraint window, described radiographic source collimating apparatus is a rectangular parallelepiped comprising straight line seam;
Turning axle, is arranged in described radiographic source collimating apparatus, described turning axle has helicla flute;
It is characterized in that: described turning axle at least has the described helicla flute of continuous two circle, the described spiral fluted degree of depth extremely can through X ray; Isolating switch between described device also comprises for the moment, described time isolating switch is also arranged in described radiographic source collimating apparatus, and described time isolating switch is positioned at the side of described turning axle.
5. the forming apparatus of X ray flying spot according to claim 4, is characterized in that: the described spiral fluted degree of depth to can through X ray, through X ray form monotone increasing or decline with the rotation of turning axle.
6. form a method for X ray flying spot, it is characterized in that, comprising:
Radiographic source produces ray;
Described ray, through described radiographic source collimating apparatus, forms covering of the fan ray;
Rotate turning axle, described ray, by the continuous multi-circle spiral flow groove on turning axle, forms X-ray bundle, after time isolating switch outgoing, drops on tested object;
The described spiral fluted degree of depth extremely can through X ray.
7. the method for formation X ray flying spot according to claim 6, is characterized in that: the described spiral fluted degree of depth to can through X ray, through X ray form monotone increasing or decline with the rotation of turning axle.
8. the method for formation X ray flying spot according to claim 6, is characterized in that: described radiographic source collimating apparatus is straight line seam collimating apparatus.
9. form a method for X ray flying spot, it is characterized in that, comprising:
Radiographic source produces ray;
Rotate turning axle, described ray, by the continuous multi-circle spiral flow groove on described turning axle, forms X-ray bundle, by time isolating switch outgoing;
The described spiral fluted degree of depth extremely can through X ray;
Ray, after radiographic source collimating apparatus, drops on tested object.
10. the method for formation X ray flying spot according to claim 9, it is characterized in that: the described spiral fluted degree of depth extremely can through X ray, through X ray form monotone increasing or decline with the rotation of turning axle, described radiographic source collimating apparatus is 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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102707324B (en) * | 2012-05-21 | 2015-01-21 | 貊梁 | Backscatter and transmission combined safety detector of X rays |
| CN102901741B (en) * | 2012-09-28 | 2015-07-15 | 貊梁 | X-ray flying-spot scanning generator |
| CN117109489B (en) * | 2023-10-23 | 2024-01-23 | 北京华力兴科技发展有限责任公司 | Thickness gauge and auxiliary measuring device thereof |
| CN117109493B (en) * | 2023-10-23 | 2024-01-23 | 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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