CN215266181U - Double-section accelerating structure for double-energy X-ray tube - Google Patents
Double-section accelerating structure for double-energy X-ray tube Download PDFInfo
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- CN215266181U CN215266181U CN202121588171.2U CN202121588171U CN215266181U CN 215266181 U CN215266181 U CN 215266181U CN 202121588171 U CN202121588171 U CN 202121588171U CN 215266181 U CN215266181 U CN 215266181U
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Abstract
The utility model discloses a two sections structure with higher speed for dual energy X-ray tube, including the X-ray tube body, the inside upper end of X-ray tube body is provided with the positive pole, be provided with the third connecting wire between first high voltage generator and the second high voltage generator. This a dual-section structure with higher speed for dual-energy X-ray tube, setting through first high voltage generator and second high voltage generator, with traditional X-ray tube structure formation two sections structures with higher speed, keep first section structure field intensity with higher speed to keep unchangeable, the second section structure with higher speed increases the second section with higher speed, this section is with higher speed and is realized dual-energy switching, can not cause the sudden change of pipe current through the controllable change of control cooperation pipe current even, exert the frequency that needs control high voltage generator with higher speed at the second section for the high pressure of rectification that high voltage generator produced simultaneously, make it can satisfy the speed demand that dual-energy switched, make the dual-energy X-ray system of constitution more reliable and more stable, the requirement to the material is not high.
Description
Technical Field
The utility model relates to a X-ray tube technical field specifically is a two sections structure with higher speed for dual energy X-ray tube.
Background
The X-ray tube is a vacuum electronic device which utilizes high-speed electrons to impact a metal target surface to generate X-rays, and can be divided into an air-filled tube and a vacuum tube according to the mode of generating electrons, the X-ray tube comprises an anode electrode and a cathode electrode which are respectively used for receiving a target material bombarded by electrons and a filament for emitting the electrons, the two electrodes are sealed in a high-vacuum glass or ceramic shell, and a power supply part of the X-ray tube at least comprises a low-voltage power supply for heating the filament and a high-voltage generator for applying high voltage to the two electrodes. One of the more advanced concepts is a dual-energy X-ray tube, which can generate X-rays of two energies during the imaging process for imaging diagnosis, and has the advantage that the interference of image reading can be eliminated through a series of mathematical algorithms. For example, only the whole blood vessels can be displayed in a dual-energy silhouette mode, so that whether the blood vessel diseases exist or not can be diagnosed more clearly. For example, heart lesions can be better observed in a silhouette mode, and the influence of ribs can be removed.
However, in the existing dual-energy X-ray tube, the dual-energy image obtained by two simple scans with different energies is not a better solution to the requirement, the movement of a patient can cause image blurring, the two image positions are difficult to completely coincide, great difficulty is caused to image reconstruction, the clinical application is not mature enough, and meanwhile, the currents in the dual-energy switching tube are inconsistent, and the current can be suddenly changed due to the change of an electric field, so that the whole X-ray system is not stable and reliable enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two sections accelerate structure for two ability X-ray tube, with propose current two ability X-ray tube in solving above-mentioned background art, the two ability images that obtain through the scanning of simple twice different energies are not the better solution of this demand, patient's removal can cause the blur of image, two image position are hardly coincided completely, rebuild very big degree of difficulty for the image, clinical application is also not mature enough, the pipe electric current is inconsistent in the two ability switches simultaneously, can take place to change suddenly because of electric field variation, make whole X-ray system reliable and stable problem inadequately.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a structure is accelerated to two sections for two ability X-ray tubes, includes the X-ray tube body, the inside upper end of X-ray tube body is provided with the positive pole, the inside lower extreme of X-ray tube body is provided with the negative pole, the inside of X-ray tube body is located and is provided with high voltage isolation device between positive pole and the negative pole, the outside of X-ray tube body is provided with first high voltage generator, the outside of X-ray tube body is provided with second high voltage generator, be provided with first connecting wire between first high voltage generator and the positive pole, be provided with the second connecting wire between second high voltage generator and the negative pole, be provided with the third connecting wire between first high voltage generator and the second high voltage generator.
Preferably, the anode and the first high voltage generator are communicated with each other through a first connecting line, so that the connection and the use are convenient.
Preferably, alternating current is introduced into the first connecting line, so that the change of the current is controlled conveniently.
Preferably, the cathode and the second high voltage generator are communicated with each other through a second connecting line, so that the cathode and the second high voltage generator are convenient to connect and use.
Preferably, the second connecting line is connected with direct current to provide stable current.
Preferably, the first high voltage generator and the second high voltage generator are communicated with each other through a third connecting line, so that the connection and the use are convenient.
Compared with the prior art, the beneficial effects of the utility model are that:
the double-section accelerating structure for the double-energy X-ray tube forms a two-section accelerating structure for the traditional X-ray tube accelerating structure through the arrangement of the first high-voltage generator and the second high-voltage generator, the field intensity of the first-section accelerating structure is kept unchanged through calculation, the second-section accelerating structure is added to increase the second-section acceleration, the section is accelerated to realize double-energy switching, high voltage applied to the section of accelerating structure can be sourced from the secondary side of the high-voltage generator which is not rectified, so that a fast-switching double-energy light source can be formed, the tube current can be ensured not to be suddenly changed due to the change of an electric field, the basic consistency of the tube current is kept in the double-energy switching, even the sudden change of the tube current can be prevented through controlling the controllable change of the tube current, and meanwhile, the high voltage generated by the high-voltage generator for rectification is applied to the frequency of the high-voltage generator which needs to be controlled, the dual-energy X-ray system can meet the speed requirement of dual-energy switching, so that the formed dual-energy X-ray system is more stable and reliable, and the requirement on materials is not high.
Drawings
Fig. 1 is a schematic diagram of the two-stage acceleration structure of the present invention.
In the figure: 1. an X-ray tube body; 2. an anode; 3. a cathode; 4. a high voltage isolation device; 5. a first high voltage generator; 6. a second high voltage generator; 7. a first connecting line; 8. a second connecting line; 9. and a third connecting line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a structure is accelerated to two sections for dual-energy X-ray tube, including X-ray tube body 1, the inside upper end of X-ray tube body 1 is provided with positive pole 2, the inside lower extreme of X-ray tube body 1 is provided with negative pole 3, the inside of X-ray tube body 1 is located and is provided with high voltage isolation device 4 between positive pole 2 and the negative pole 3, the outside of X-ray tube body 1 is provided with first high voltage generator 5, the outside of X-ray tube body 1 is provided with second high voltage generator 6, be provided with first connecting wire 7 between first high voltage generator 5 and the positive pole 2, be provided with second connecting wire 8 between second high voltage generator 6 and the negative pole 3, be provided with third connecting wire 9 between first high voltage generator 5 and the second high voltage generator 6.
Switch on each other through first connecting wire 7 between positive pole 2 and the first high voltage generator 5, conveniently connect and use, first connecting wire 7 lets in the alternating current, the change of the control current of being convenient for, switch on each other through second connecting wire 8 between negative pole 3 and the second high voltage generator 6, conveniently connect and use, second connecting wire 8 lets in the direct current, provide stable electric current, switch on each other through third connecting wire 9 between first high voltage generator 5 and the second high voltage generator 6, facilitate the connection and use.
The working principle is as follows: firstly, the field intensity of the first section of acceleration structure is kept unchanged, the second section of acceleration structure is used for increasing the second section of acceleration, the section of acceleration realizes dual-energy switching, the high voltage applied to the section of acceleration structure can be from the secondary side of a high-voltage generator which is not rectified, so that a fast-switching dual-energy light source can be formed, and meanwhile, the tube current can be ensured not to be suddenly changed due to the change of an electric field, so that the tube current is basically consistent in the dual-energy switching, even the controllable change of the tube current can be matched through control, the sudden change of the tube current can not be caused, the frequency of the high-voltage generator which is required to control the two-section acceleration for the rectified high voltage generated by the high-voltage generator can be applied to the second section of acceleration, and the dual-energy switching speed requirement can be met.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A dual stage acceleration structure for dual energy X-ray tubes, comprising an X-ray tube body (1), characterized in that: the utility model discloses an X-ray tube, including X-ray tube body (1), inside upper end of X-ray tube body (1) is provided with positive pole (2), the inside lower extreme of X-ray tube body (1) is provided with negative pole (3), the inside of X-ray tube body (1) is located and is provided with high voltage isolation device (4) between positive pole (2) and negative pole (3), the outside of X-ray tube body (1) is provided with first high voltage generator (5), the outside of X-ray tube body (1) is provided with second high voltage generator (6), be provided with first connecting wire (7) between first high voltage generator (5) and positive pole (2), be provided with second connecting wire (8) between second high voltage generator (6) and negative pole (3), be provided with third connecting wire (9) between first high voltage generator (5) and second high voltage generator (6).
2. A dual stage accelerating structure for a dual energy X-ray tube according to claim 1, wherein: the anode (2) and the first high voltage generator (5) are connected with each other through a first connecting line (7).
3. A dual stage accelerating structure for a dual energy X-ray tube according to claim 1, wherein: alternating current is introduced into the first connecting line (7).
4. A dual stage accelerating structure for a dual energy X-ray tube according to claim 1, wherein: the cathode (3) and the second high voltage generator (6) are communicated with each other through a second connecting line (8).
5. A dual stage accelerating structure for a dual energy X-ray tube according to claim 1, wherein: and the second connecting wire (8) is connected with direct current.
6. A dual stage accelerating structure for a dual energy X-ray tube according to claim 1, wherein: the first high-voltage generator (5) and the second high-voltage generator (6) are communicated with each other through a third connecting line (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121588171.2U CN215266181U (en) | 2021-07-13 | 2021-07-13 | Double-section accelerating structure for double-energy X-ray tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121588171.2U CN215266181U (en) | 2021-07-13 | 2021-07-13 | Double-section accelerating structure for double-energy X-ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215266181U true CN215266181U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121588171.2U Active CN215266181U (en) | 2021-07-13 | 2021-07-13 | Double-section accelerating structure for double-energy X-ray tube |
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| Country | Link |
|---|---|
| CN (1) | CN215266181U (en) |
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2021
- 2021-07-13 CN CN202121588171.2U patent/CN215266181U/en active Active
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