CN204271034U - Cathode assembly, X-ray tube and x-ray imaging equipment - Google Patents
Cathode assembly, X-ray tube and x-ray imaging equipment Download PDFInfo
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- CN204271034U CN204271034U CN201420787808.4U CN201420787808U CN204271034U CN 204271034 U CN204271034 U CN 204271034U CN 201420787808 U CN201420787808 U CN 201420787808U CN 204271034 U CN204271034 U CN 204271034U
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- cathode assembly
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- ray tube
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Abstract
This application discloses cathode assembly, X-ray tube and x-ray imaging equipment, a kind of cathode assembly, comprise a glass stem, negative electrode pedestal, a cathode taps carrier and an at least one support column.Wherein, cathode taps carrier is fixed on negative electrode pedestal.Glass stem is fixed in one end of every root support column, and the other end is connected with negative electrode pedestal.Disclosed herein as well is a kind of X-ray tube and a kind of x-ray imaging equipment.The technology of the application makes the structure of cathode assembly more simple, decreases the volume of whole cathode assembly, can also reduce the cost of cathode assembly and even whole X-ray tube simultaneously.
Description
Technical field
The utility model relates to the cathode assembly of X-ray tube, also relates to the X-ray tube comprising this cathode assembly, and comprises the x-ray imaging equipment of this X-ray tube.
Background technology
X-ray imaging equipment generally includes at least one X-ray tube, and it is for generation of X ray.X-ray tube comprises a glass shell and is arranged in an anode assemblies and a cathode assembly of glass shell.Whether can rotate according to anode, X-ray tube can be divided into rotating anode X-ray tube and stationary anode X-ray tube.
For rotating anode X-ray tube, people expect that its cathode construction is more simple, and volume is less, and cost is lower.
Utility model content
In view of this, the utility model proposes a kind of cathode assembly for X-ray tube on the one hand, and this cathode assembly comprises a glass stem, a cathode taps support component and at least one support column.Glass stem is fixed in one end of every root support column, and the other end is connected with cathode taps support component.
By said structure, make the structure of cathode assembly more simple, decrease the volume of whole cathode assembly, the cost of cathode assembly and even whole X-ray tube can also be reduced simultaneously.
In one embodiment, cathode assembly comprises three support columns, thus more firmly connects glass stem and cathode taps support component.
Alternatively, three support columns equidistantly distribute, and form more stable connection.
In one embodiment, cathode taps support component comprises a negative electrode pedestal and a cathode taps carrier.Wherein, cathode taps carrier is fixed on negative electrode pedestal.Glass stem is fixed in one end of every root support column, and the other end is connected with negative electrode pedestal.
In one embodiment, negative electrode pedestal and cathode taps carrier is in the form of annular discs or strip.
In one embodiment, negative electrode pedestal and every root support column are connected by screw, thus decrease the connected mode of welding, make cathode component architecture more simple with assembling, reduce volume, and reduce costs.
In one embodiment, cathode taps carrier is fixed on pedestal by a screw.
In one embodiment, cathode assembly also comprises a cathode taps and at least two conductive poles.Cathode taps is installed on cathode taps support component, and comprises at least one filament.Glass stem is fixed in one end of every root conductive pole, and the other end of two conductive poles is electrically connected with the electrode of filament, as the electrode outlet line of filament.These two conductive poles can also be electrically connected with the electrode of getter, further as the electrode outlet line of getter.
In one embodiment, cathode assembly comprises three conductive poles, and these three conductive poles equidistantly distribute.If two conductive poles are connected to filament and/or getter, so another root conductive pole can be vacant.
According to another aspect of the present utility model, also proposed a kind of X-ray tube, this X-ray tube comprises a glass shell, any one cathode assembly described above and an anode assemblies.Wherein, cathode assembly is arranged in the one end in glass shell, and anode assemblies is arranged in the other end relative with cathode assembly in glass shell.
Because X-ray tube have employed the cathode assembly of said structure, make X-ray tube structure on the whole more simple, decrease the volume of whole X-ray tube, the cost of whole X-ray tube can also be reduced simultaneously.
According to one side more of the present utility model, reintroduced a kind of x-ray imaging equipment, this x-ray imaging equipment comprises X-ray tube as above.
Accompanying drawing explanation
Embodiment of the present utility model will be described in detail by referring to accompanying drawing below, the person of ordinary skill in the art is more clear that above-mentioned and other feature and advantage of the present utility model, in accompanying drawing:
Fig. 1 is the schematic diagram of the cathode assembly according to the application one embodiment.
Fig. 2 is the structural representation of X-ray tube.
Wherein, Reference numeral is as follows:
10 cathode assemblies
110 glass stems
120 negative electrode pedestals
130 cathode taps carriers
140 support columns
150 cathode taps
160 conductive poles
170 cover bodies
180 first screws
182 second screws
184 the 3rd screws
20 anode assemblies
30 glass shells
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and embodiment of the present utility model is described, label identical in the various figures represents identical part.
In this article, " schematically " expression " serves as example, example or explanation ", not should by being described to any diagram of " schematically " in this article, execution mode is interpreted as a kind of preferred or have more the technical scheme of advantage.
For making simplified form, only schematically show the part relevant to the utility model in each figure, they do not represent its practical structures as product.In addition, be convenient to make simplified form understand, there are the parts of same structure or function in some figure, only schematically depict one of them, or only marked one of them.
In this article, " one " not only represents " only this ", also can represent the situation of " more than one ".In this article, " first ", " second " etc. only for differentiation each other, but not represent their significance level and order and the prerequisite etc. that exists each other.
As shown in Figure 1, a glass stem 110, cathode taps support component and at least one support column 140 is comprised according to the cathode assembly 10 of an embodiment.
Wherein, cathode taps support component can comprise a negative electrode pedestal 120 and a cathode taps carrier 130.Cathode taps carrier 130 and negative electrode pedestal 120 can be in the form of annular discs, and can be also strip, usually from disk area or rectangular area, cathode taps carrier 130 be slightly larger than negative electrode pedestal 120.Cathode taps carrier 130 is fixed on cathode taps support component, such as negative electrode pedestal 120.Alternatively, cathode taps carrier 130 is fixed on negative electrode pedestal 120 by first screw 180.Certainly, cathode taps carrier 130 also can by being fixedly welded on negative electrode pedestal 120, but screw Stationary liquid is for welding herein, can simplify the mounting process of cathode taps and negative electrode pedestal, reduces production cost.
As shown in Figure 1, glass stem 110 is fixed in one end of support column 140, and the other end is connected with negative electrode pedestal 120, such as, can be connected with negative electrode pedestal 120 by second screw 182.By said structure, make the structure of cathode assembly and assembly process more simple, decrease the volume of whole cathode assembly, the cost of cathode assembly and even whole X-ray tube can also be reduced simultaneously.
In one embodiment, cathode assembly 10 comprises three support columns 140.Preferably, these three support columns 140 equidistantly distribute, and in other words, three projections of support column 140 on glass stem 110 or negative electrode pedestal 120 can form three summits of equilateral triangle.
Cathode assembly 10 can also comprise a cathode taps 150 and at least two conductive poles 160.Wherein, cathode taps 150 comprises at least one filament, such as single filament or two filaments.Cathode taps can be connected to cathode taps carrier 130 by the 3rd screw 184.Glass stem (110) is fixed in one end of these conductive poles (160), and wherein the other end of two conductive poles 160 is electrically connected with the electrode of filament, as the electrode outlet line of filament.These two conductive poles can also be electrically connected lead-out wire with the electrode of getter (not shown), further as the electrode outlet line of getter.In addition, as required, support column also can be used for conducting electricity.
In one embodiment, cathode assembly 10 comprises three conductive poles, and one end of every root conductive pole 160 is fixed in glass stem 110.In three conductive poles, the other end of two conductive poles is electrically connected with the electrode of filament, as the electrode outlet line of filament.These two conductive poles can also be electrically connected lead-out wire with the electrode of getter (not shown), further as the electrode outlet line of getter.Another root conductive pole can be vacant, and now vacant conductive pole contributes to the uniform force of glass stem 110.In addition, as required, support column also can be used for conducting electricity.
Preferably, three conductive poles 160 can equidistantly distribute.Similar with support column 140, three projections of conductive pole 160 on glass stem 110 or negative electrode pedestal 120 can form three summits of equilateral triangle.
When cathode assembly 10 comprises three support columns 140 and three conductive pole 160, support column and conductive pole interval are arranged.Preferably, support column and conductive pole equidistantly distribute, and in other words, three support columns 140 and three projections of conductive pole 160 on glass stem 110 or negative electrode pedestal 120 can form orthohexagonal six summits.
As shown in Figure 1, cathode assembly 10 can also comprise a cover body 170, and negative electrode pedestal 120, support column 140, conductive pole 160 are covered on centre by this cover body 170 together with cathode taps carrier 130.This cover body 170 can be connected to cathode taps carrier 130 by welding manner or screw (not shown).
In addition, for clearly object, the parts such as getter are eliminated in the drawings.
As shown in Figure 2, according to another embodiment, provide a kind of X-ray tube, this X-ray tube comprises a cathode assembly 10, anode assemblies 20 and a glass shell 30.Wherein, the cathode assembly 10 of X-ray tube can be any one cathode assembly recited above, and this cathode assembly 10 is arranged in the one end in glass shell 30.Anode assemblies 20 can be a kind of rotating anode assembly, is arranged in the other end relative with above-mentioned cathode assembly 10 in glass shell 30.
Above-mentioned X-ray tube can be applied to x-ray imaging equipment, the x-ray inspection equipment of such as Computed tomography (ComputedTomography, CT) equipment, X-ray machine, angiography machine and the safety check such as airport, railway station.
According to another embodiment, provide a kind of x-ray imaging equipment, this x-ray imaging equipment comprises an X-ray tube as above.
This application discloses a kind of cathode assembly, comprise a glass stem, negative electrode pedestal, a cathode taps carrier and an at least one support column.Wherein, cathode taps carrier is fixed on negative electrode pedestal.Glass stem is fixed in one end of every root support column, and the other end is connected with negative electrode pedestal.Disclosed herein as well is a kind of X-ray tube and a kind of x-ray imaging equipment.The technology of the application makes the structure of cathode assembly more simple, decreases the volume of whole cathode assembly, can also reduce the cost of cathode assembly and even whole X-ray tube simultaneously.
The foregoing is only embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (11)
1. cathode assembly (10), is characterized in that, comprising:
A glass stem (110);
A cathode taps support component;
At least one support column (140), described glass stem (110) is fixed in its one end, and the other end is connected with described cathode taps support component.
2. cathode assembly according to claim 1, wherein, described cathode assembly (10) comprises three support columns (140).
3. cathode assembly according to claim 1, wherein, described three support columns (140) equidistantly distribute.
4. cathode assembly according to claim 1, wherein, described cathode taps support component comprises:
A negative electrode pedestal (120), wherein, the other end of described support column (140) is connected with described negative electrode pedestal (120);
A cathode taps carrier (130), is fixed on described negative electrode pedestal (120).
5. cathode assembly according to claim 4, wherein, negative electrode pedestal (120) and cathode taps carrier (130) is in the form of annular discs or strip.
6. cathode assembly according to claim 4, wherein, described negative electrode pedestal (120) is connected by screw (182) with every root support column (140).
7. cathode assembly according to claim 4, wherein, described cathode taps carrier (130) is fixed on described negative electrode pedestal by a screw (180).
8. cathode assembly according to claim 1, wherein, described cathode assembly (10) also comprises:
A cathode taps (150), is installed on described cathode taps support component, and comprises at least one filament;
At least two conductive poles (160), described glass stem (110) is fixed in its one end, and wherein the other end of two conductive poles is electrically connected with the electrode of described filament.
9. cathode assembly according to claim 8, wherein, described cathode assembly (10) comprises three conductive poles (160), and described three conductive poles (160) equidistantly distribute.
10.X ray tube, is characterized in that, comprising:
A glass shell (30);
A cathode assembly as in one of claimed in any of claims 1 to 9 (10), is arranged in the one end in described glass shell;
An anode assemblies (20), is arranged in the other end relative with described cathode assembly in described glass shell.
11.X radiation imaging apparatus, is characterized in that, comprises an X-ray tube as claimed in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787808.4U CN204271034U (en) | 2014-12-12 | 2014-12-12 | Cathode assembly, X-ray tube and x-ray imaging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787808.4U CN204271034U (en) | 2014-12-12 | 2014-12-12 | Cathode assembly, X-ray tube and x-ray imaging equipment |
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| Publication Number | Publication Date |
|---|---|
| CN204271034U true CN204271034U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420787808.4U Active CN204271034U (en) | 2014-12-12 | 2014-12-12 | Cathode assembly, X-ray tube and x-ray imaging equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128924A (en) * | 2016-09-29 | 2016-11-16 | 昆山国力真空电器有限公司 | Cathode base column assembly and X-ray tube |
| CN111293016A (en) * | 2020-03-20 | 2020-06-16 | 西门子爱克斯射线真空技术(无锡)有限公司 | X-ray tube and X-ray imaging apparatus |
-
2014
- 2014-12-12 CN CN201420787808.4U patent/CN204271034U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128924A (en) * | 2016-09-29 | 2016-11-16 | 昆山国力真空电器有限公司 | Cathode base column assembly and X-ray tube |
| CN106128924B (en) * | 2016-09-29 | 2017-12-22 | 昆山国力电子科技股份有限公司 | Cathode base column assembly and X-ray tube |
| CN111293016A (en) * | 2020-03-20 | 2020-06-16 | 西门子爱克斯射线真空技术(无锡)有限公司 | X-ray tube and X-ray imaging apparatus |
| CN111293016B (en) * | 2020-03-20 | 2023-03-14 | 西门子爱克斯射线真空技术(无锡)有限公司 | X-ray tube and X-ray imaging apparatus |
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