CN207800543U - Anode target, ray source, ct apparatus - Google Patents
Anode target, ray source, ct apparatus Download PDFInfo
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- CN207800543U CN207800543U CN201721200901.0U CN201721200901U CN207800543U CN 207800543 U CN207800543 U CN 207800543U CN 201721200901 U CN201721200901 U CN 201721200901U CN 207800543 U CN207800543 U CN 207800543U
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Abstract
The application discloses a kind of anode target, ray source, ct apparatus.It is related to Irradiation technical field, which includes：First anode target makes the electron beam gone out by emission of cathode generate the first ray on the target spot of the first anode target for the first voltage by carrying thereon；Second plate target makes the electron beam gone out by emission of cathode generate the second ray on the target spot of the second plate target for the second voltage by carrying thereon；And ceramic wafer, for the first anode target and the second plate target to be isolated.Anode target, ray source, ct apparatus and the imaging method of the application is capable of providing dual intensity distributed radiation imaging data, improves the image quality of ray system.
Description
Technical field
This disclosure relates to which radiographic techniques field, disconnected in particular to a kind of anode target, ray source, computer
Layer scanning device.
Background technology
X-ray has a wide range of applications in fields such as industrial nondestructive testing, safety inspection, medical diagnosis and treatments.Especially
It is that radioscopy imaging device made of the high-penetration ability using X-ray is played in the every aspect of people's daily life
Important function.This kind of equipment early stage be film type plane perspective imaging device, current advanced technology be digitlization, regard more
Angle and high-resolution stereoscopic imaging apparatus, such as CT (computed tomography, computerized tomography) imaging device,
High-definition three-dimensional graph or sectioning image can be obtained, is advanced high-end applications.In existing CT equipment, X
Ray generating device needs move on slip ring, and in order to improve inspection speed, the movement velocity of usual X-ray generator is very
Height causes the reliability and stability of equipment entirety to reduce, in addition, limited by movement velocity, the inspection speed of CT also by
Limitation, therefore check less efficient.In addition, the x-ray source of such equipment moves on slip ring, lead to equivalent x-ray source
Focus becomes larger so that the picture of imaging there are motion artifacts, poor definition, to some smaller contrabands, there are missing inspections
Possibility.And such equipment can only check the object of static (or slowly movement), for the object of movement, it is virtually impossible to
At 3 dimensional drawing.
In the prior art, using hot cathode as electron emission unit, and array arrangement is carried out to hot cathode, utilizes heat
The transmitting of the voltage control electronics of cathode grid interpolar presses phase to control each cathode launching electronics in order on anode
It answers ordinal position to bombard target spot, becomes distributed X-ray source.The machinery rotation of spiral CT, Ke Yi are replaced by electric-controlled switch
Multiple visual angles quickly generate x-ray source, and to carry out fast imaging from excessively a angle, this method can be big compared to more previous method
Big raising checks efficiency；Improve the clarity of image；And the program is simple in structure, system is stable, reliability is high.But by
It is only the beam of single energy grade in the output high-energy ray of CT equipment in the prior art, is unsatisfactory for more use demands.
Therefore, it is necessary to a kind of new anode target, ray source, ct apparatus and imaging methods.
Above- mentioned information is only used for reinforcing the understanding to the background of the disclosure, therefore it disclosed in the background technology part
May include the information not constituted to the prior art known to persons of ordinary skill in the art.
Utility model content
In view of this, a kind of anode target of disclosure offer, ray source, ct apparatus and imaging method,
It is capable of providing dual intensity distributed radiation imaging data, improves the image quality of ray system.
Other characteristics and advantages of the disclosure will be apparent from by the following detailed description, or partially by the disclosure
Practice and acquistion.
According to the one side of the disclosure, a kind of anode target is proposed, which includes：First anode target, for passing through it
The first voltage of upper carrying makes the electron beam gone out by emission of cathode generate the first ray on the target spot of the first anode target；
Second plate target makes the electron beam gone out by emission of cathode in the second plate target for the second voltage by carrying thereon
Target spot on generate the second ray；And ceramic body, for the first anode target and the second plate target to be isolated.
In a kind of exemplary embodiment of the disclosure, further include：Oil cooling service pipe, for the first anode target and institute
Second plate target is stated to be cooled down；And shielded layer, the ray for being generated to the anode target shield.
In a kind of exemplary embodiment of the disclosure, the ceramic body includes：The ceramic body being metallized.
In a kind of exemplary embodiment of the disclosure, the first anode target, the second plate target and the metal
The ceramic body of change is weldingly connected by golden copper.
In a kind of exemplary embodiment of the disclosure, the cathode is staggered arrangement at the both ends of the anode target.
According to the one side of the disclosure, a kind of ray source is proposed, which includes：Cathode assembly, for emitting
Electron beam；And anode assemblies generate ray source for receiving the electron beam for coming from the cathode assembly；Wherein,
The anode assemblies include anode target, and the anode target includes：First anode target makes for the first voltage by carrying thereon
It obtains the electron beam gone out by emission of cathode and generates the first ray on the target spot of the first anode target；Second plate target, for leading to
Crossing the second voltage carried thereon makes the electron beam gone out by emission of cathode generate second on the target spot of the second plate target
Ray；And ceramic body, for the first anode target and the second plate target to be isolated.
In a kind of exemplary embodiment of the disclosure, the anode target of the cathode assembly in the anode assemblies
Both ends are staggered arrangement.
According to the one side of the disclosure, a kind of ct apparatus is proposed, the ct apparatus packet
It includes：Cathode assembly is used for launching electronics beam；Anode assemblies, it is raw for receiving the electron beam for coming from the cathode assembly
At ray source；Wherein, the anode assemblies include anode target, and the anode target includes：First anode target, for by thereon
The first voltage of carrying makes the electron beam gone out by emission of cathode generate the first ray on the target spot of the first anode target；The
Two anode targets make the electron beam gone out by emission of cathode in the second plate target for the second voltage by carrying thereon
The second ray is generated on target spot；And ceramic body, for the first anode target and the second plate target to be isolated；And imaging
Device, for carrying out radial imaging by first ray and second ray.
In a kind of exemplary embodiment of the disclosure, the radial imaging includes dual intensity radial imaging.
According to the one side of the disclosure, a kind of imaging method of ct apparatus, the computerized tomography are proposed
The imaging method of scanning device includes：Ct apparatus generates ray, and the ray includes the first ray and second
Ray；First actinism generates the first test data in testee；Second actinism in testee,
Generate the second test data；And radial imaging is carried out by first test data and second test data；Wherein,
The ct apparatus, including：Cathode assembly is used for launching electronics beam；Anode assemblies come from institute for receiving
The electron beam of cathode assembly is stated, ray source is generated；Wherein, the anode assemblies include anode target, the anode target packet
It includes：First anode target makes the electron beam gone out by emission of cathode in first sun for the first voltage by carrying thereon
The first ray is generated on the target spot of pole target；Second plate target makes for the second voltage by carrying thereon by emission of cathode
The electron beam gone out generates the second ray on the target spot of the second plate target；And ceramic body, for first sun to be isolated
Pole target and the second plate target；And imaging device, for passing through first test data and second test data
Carry out the radial imaging.
In a kind of exemplary embodiment of the disclosure, the radial imaging includes dual intensity radial imaging.
According to the anode target of the disclosure, ray source, ct apparatus and imaging method, it is capable of providing dual intensity
Distributed radiation imaging data improves the image quality of ray system.
The disclosure also provides a kind of anode target, ray source, ct apparatus and imaging method, enables to
The target spot that the X-ray that the emission of cathode of arrangement goes out on anode target both sides is got on anode target is distributed on straight line, is carried
The dense degree of high light source improves the image quality of ray system, simplifies the complexity of imaging system.
Other characteristics and advantages of the disclosure will be apparent from by the following detailed description, or partially by the disclosure
Practice and acquistion.
According to the one side of the disclosure, a kind of anode target is proposed, which includes：Multiple target structures, for receive by
The electron beam that emission of cathode goes out, to generate ray, the multiple target spot is to have bevelled stereochemical structure；Copper cooling body, is used for
The target structure is carried, the copper cooling body includes oxygen-free copper cooling body；Oil cooling service pipe, for being cooled down to anode target；With
And shielded layer, for generating shielding action, the shielded layer includes tungsten shielded layer.
In a kind of exemplary embodiment of the disclosure, including：Two neighboring target structure in the multiple target structure it
Between be staggeredly placed.
In a kind of exemplary embodiment of the disclosure, including：Two neighboring target structure in the multiple target structure
Inclined-plane is towards opposite direction.
In a kind of exemplary embodiment of the disclosure, including：The target spot for the target structure being staggeredly placed is in same
Straight line.
In a kind of exemplary embodiment of the disclosure, it is cold that the multiple target structure by brazing mode is welded on the copper
But on body.
According to the one side of the disclosure, a kind of ray source is proposed, which includes：Cathode assembly, for emitting
Electron beam；And anode assemblies generate ray source for receiving the electron beam for coming from the cathode assembly；Wherein,
The anode assemblies include anode target, and the anode target includes：Multiple target structures, for receiving the electronics gone out by emission of cathode
Beam, to generate ray, the multiple target spot is to have bevelled stereochemical structure；Copper cooling body, for carrying the target structure, institute
It includes oxygen-free copper cooling body to state copper cooling body；Oil cooling service pipe, for being cooled down to anode target；Shielded layer, for generating shielding
Effect, the shielded layer includes tungsten shielded layer.
In a kind of exemplary embodiment of the disclosure, the cathode is staggered arrangement at the both ends of the anode target.
In a kind of exemplary embodiment of the disclosure, between the two neighboring target structure in the multiple target structure staggeredly
It places.
In a kind of exemplary embodiment of the disclosure, the target spot for the target structure being staggeredly placed is in same straight line.
According to the one side of the disclosure, a kind of ct apparatus is proposed, the ct apparatus packet
It includes：Cathode assembly is used for launching electronics beam；Anode assemblies, it is raw for receiving the electron beam for coming from the cathode assembly
At ray source；Wherein, the anode assemblies include anode target, and the anode target includes：Multiple target structures, for receiving by the moon
The electron beam that pole is launched, to generate ray, the multiple target spot is to have bevelled stereochemical structure；Copper cooling body, for holding
The target structure is carried, the copper cooling body includes oxygen-free copper cooling body；Oil cooling service pipe, for being cooled down to anode target；Shielding
Layer, for generating shielding action, the shielded layer includes tungsten shielded layer；Imaging device, for carrying out ray by the ray
Imaging.
According to the one side of the disclosure, a kind of imaging method of ct apparatus, the computerized tomography are proposed
The imaging method of scanning device includes：Ct apparatus generates ray；The actinism is generated in testee
Test data；And radial imaging is directly carried out by the test data；Wherein, the ct apparatus, packet
It includes：Cathode assembly is used for launching electronics beam；Anode assemblies, it is raw for receiving the electron beam for coming from the cathode assembly
At ray source；Wherein, the anode assemblies include anode target, and the anode target includes：Cathode assembly is used for launching electronics
Beam；And anode assemblies generate ray source for receiving the electron beam for coming from the cathode assembly；Wherein, described
Anode assemblies include anode target, and the anode target includes：Multiple target structures, for receiving the electron beam gone out by emission of cathode, with
Ray is generated, the multiple target spot is to have bevelled stereochemical structure；Copper cooling body, for carrying the target structure, the copper
Cooling body includes oxygen-free copper cooling body；Oil cooling service pipe, for being cooled down to anode target；And shielded layer, for generating shielding
Effect, the shielded layer includes tungsten shielded layer；Imaging device, for carrying out radial imaging by the ray.
It can be made according to the anode target of the disclosure, distributed X-ray source, ct apparatus and imaging method
It obtains the target spot that the electronics that the emission of cathode that anode target both ends are arranged goes out is got in anode target to be distributed on straight line, raising is penetrated
The image quality of linear system system, simplifies the complexity of imaging system.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
It is open.
Description of the drawings
Its example embodiment is described in detail by referring to accompanying drawing, above and other target, feature and the advantage of the disclosure will
It becomes more fully apparent.Drawings discussed below is only some embodiments of the present disclosure, for the ordinary skill of this field
For personnel, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is single-row arrangement anode target schematic diagram in the prior art.
Fig. 2 be in the prior art biserial arrangement anode target schematic diagram.
Fig. 3 is a kind of anode target schematic diagram shown according to an exemplary embodiment.
Fig. 4 is a kind of ray source schematic diagram shown according to an exemplary embodiment.
Fig. 5 is a kind of ct apparatus schematic diagram shown according to an exemplary embodiment.
Fig. 6 is a kind of flow of the imaging method of ct apparatus shown according to an exemplary embodiment
Figure.
Fig. 7 is a kind of anode target schematic diagram shown according to an exemplary embodiment.
Fig. 8 is a kind of anode target side schematic view shown according to an exemplary embodiment.
Fig. 9 is a kind of anode target vertical view shown according to an exemplary embodiment.
Figure 10 is a kind of ray source schematic diagram shown according to an exemplary embodiment.
Figure 11 is a kind of ct apparatus schematic diagram shown according to an exemplary embodiment.
Figure 12 is a kind of flow of the imaging method of ct apparatus shown according to an exemplary embodiment
Figure.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be real in a variety of forms
It applies, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the disclosure will be comprehensively and complete
It is whole, and the design of example embodiment is comprehensively communicated to those skilled in the art.Identical reference numeral indicates in figure
Same or similar part, thus repetition thereof will be omitted.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, many details are provided to fully understand embodiment of the disclosure to provide.However,
It will be appreciated by persons skilled in the art that can with technical solution of the disclosure without one or more in specific detail,
Or other methods, constituent element, device, step may be used etc..In other cases, it is not shown in detail or describes known side
Method, device, realization or operation are to avoid fuzzy all aspects of this disclosure.
Block diagram shown in attached drawing is only functional entity, not necessarily must be corresponding with physically separate entity.
I.e., it is possible to realize these functional entitys using software form, or realized in one or more hardware modules or integrated circuit
These functional entitys, or these functional entitys are realized in heterogeneous networks and/or processor device and/or microcontroller device.
Flow chart shown in attached drawing is merely illustrative, it is not necessary to including all content and operation/step,
It is not required to execute by described sequence.For example, some operation/steps can also decompose, and some operation/steps can close
And or part merge, therefore the sequence actually executed is possible to be changed according to actual conditions.
It should be understood that although herein various assemblies may be described using term first, second, third, etc., these groups
Part is not answered limited by these terms.These terms are distinguishing a component and another component.Therefore, first group be discussed herein below
Part can be described as teaching of second component without departing from disclosure concept.As used herein, term " and/or " include associated
All combinations for listing any of project and one or more.
It will be understood by those skilled in the art that attached drawing is the schematic diagram of example embodiment, the module in attached drawing or flow
Necessary to not necessarily implementing the disclosure, therefore it cannot be used for the protection domain of the limitation disclosure.
Disclosure example embodiment is described in detail below in conjunction with the accompanying drawings.
Fig. 1 is single-row arrangement anode target schematic diagram in the prior art.
In the prior art, the anode target of single-row arrangement is as shown in Figure 1, Fig. 1 gives traditional distributed X-ray source
Structure, anode target use oxygen-free copper for matrix, and rhenium tungsten target is welded on oxygen-free copper as target, has cooling circuit on oxygen-free copper matrix
It is cooled down for anode target.Electron gun is evenly distributed on one side of anode target, and the electron beam that electron gun is launched is in anode electric field
Acceleration under to anode drift about, finally beat on rhenium tungsten target, generation X-ray.Fig. 2 is that biserial arrangement anode target shows in the prior art
It is intended to.
The structure of the imaging devices of CT in the prior art as described above, in order to improve the image quality of distributed light source,
Usually require that the quantity of light source in distributed light source tens to hundreds of (determining as needed).By cathode size and cathode sets
The influence of part processing technology, at present the minimum diameter of cathode assembly retain some surpluses about in 16mm or so, usually according to
The spacing arrangement cathode assembly of 20mm.Can arrange 50 cathode assemblies in the light source of 1m long, and a cathode assembly is in anode
A target spot is got on target, to generate 50 light sources.If necessary to more quantity of light source, cathode can be made in anode target
Both ends are staggered arrangement, and the electron beam of emission of cathode is beaten on the both sides of anode target, so that the dense degree of light source doubles.
In order to improve the density of light source, electron gun can be arranged in the both ends of anode target, as shown in Fig. 2, the structure can be by light source
Dense degree double, meet the requirement of most of occasions.
Fig. 3 is a kind of anode target schematic diagram shown according to an exemplary embodiment.
Based on biserial arrangement anode target described above, in some embodiments, present applicant have found that, at some
It in situation, needs imaging device that can export the x-ray source of two kinds of energy simultaneously, that is, dual intensity distributed X-ray source is provided, to carry
The resolution ratio of high x-ray imaging system.According to the one side of the disclosure, propose that a kind of anode target 10, the anode target include：
First anode target 102 makes the electron beam gone out by emission of cathode for the first voltage by carrying thereon
The first ray is generated on the target spot of one anode target.Wherein first voltage may be, for example, the high pressure of 90KV, the electronics that emission of cathode goes out
The first ray that beam generates on first anode target may be, for example, the X-ray with the first energy level.
Second plate target 104 makes the electron beam gone out by emission of cathode for the second voltage by carrying thereon
The second ray is generated on the target spot of two anode targets.Wherein, second voltage may be, for example, the high pressure of 180KV, the electricity that emission of cathode goes out
The second ray that beamlet generates on second plate target may be, for example, the X-ray with the second energy level.
Wherein, first voltage and second voltage may be the high pressure of identical amplitude, and the disclosure is not limited.
Ceramic body 106, for first anode target 102 and second plate target 104 to be isolated.Ceramic body 106 includes：It is metallized
Ceramic body.First anode target 102, second plate target 104 and the ceramic body of metallization are weldingly connected by golden copper.The first anode
102 targets are connect with second plate target 104 and the ceramics of metallization using golden brazing, are cured as an entirety, are easily installed debugging.
In a kind of exemplary embodiment of the disclosure, further include：Oil cooling service pipe 108 is used for first anode target and second
Anode target is cooled down.
Shielded layer (not shown), for being shielded to the ray that anode target generates.
In a kind of exemplary embodiment of the disclosure, cathode is staggered arrangement at the both ends of anode target.
According to the anode target of the disclosure, it is isolated by ceramics, anode target is divided into two parts, the anode target on both sides can be distinguished
In addition different high pressures, the electron beam that the emission of cathode at anode target both ends goes out is beaten at the both ends of anode target to generate two kinds of differences
The X-ray of energy.To generate the distributed X-ray of dual intensity, and then it is capable of providing dual intensity distributed radiation imaging data, improved
The image quality of ray system.
Fig. 4 is a kind of ray source schematic diagram shown according to an exemplary embodiment.
As shown in figure 4, the ray source 20 includes：
Cathode assembly 202 is used for launching electronics beam, the attraction directive anode assemblies 204 which passes through voltage.
Anode assemblies 204 interact for receiving the electron beam for coming from cathode assembly, electron beam with anode target, in turn
Generate ray source.
Wherein, anode assemblies include anode target 10, and anode target includes：
First anode target 102, by first voltage so that the electron beam gone out by emission of cathode first anode target target spot
The first ray of upper generation.Wherein first voltage may be, for example, the high pressure of 90KV, and the electron beam that emission of cathode goes out is in first anode target
First ray of upper generation may be, for example, the X-ray with the first energy level.
Second plate target 104, by second voltage so that the electron beam gone out by emission of cathode second plate target target spot
The second ray of upper generation.Wherein, second voltage may be, for example, the high pressure of 180KV, and the electron beam that emission of cathode goes out is in second plate
The second ray generated on target may be, for example, the X-ray with the second energy level.
Wherein, first voltage and second voltage may be the high pressure of identical amplitude, and the disclosure is not limited.
Ceramic body 106, for first anode target 102 and second plate target 104 to be isolated.Ceramic body 106 includes：Cermet
Body.First anode target 102, second plate target 104 and the ceramic body of metallization are weldingly connected by golden copper.102 target of the first anode
It is connect using golden brazing with cermet with second plate target 104, is cured as an entirety, is easily installed debugging.In the disclosure
In a kind of exemplary embodiment, cathode assembly is staggered arrangement at the both ends of the anode target of anode assemblies.
According to the ray source of the disclosure, electron beam is generated by cathode assembly, electron beam is received by anode assemblies,
In, anode assemblies are isolated by ceramics, and anode target is divided into two parts, and the anode target on both sides can add different high pressures respectively,
The electron beam that the emission of cathode at anode target both ends goes out is beaten at the both ends of anode target to generate the X-ray of two kinds of different-energies.From
And the distributed X-ray of dual intensity is generated, and then it is capable of providing dual intensity distributed source, improve the image quality of ray system.
Fig. 5 is a kind of ct apparatus schematic diagram shown according to an exemplary embodiment.
As shown in figure 5, ct apparatus 30 includes：
Cathode assembly 202 is used for launching electronics beam, the attraction directive anode assemblies 204 which passes through voltage.
Anode assemblies 204 interact for receiving the electron beam for coming from cathode assembly, electron beam with anode target, in turn
Generate ray source.
Wherein, anode assemblies include anode target 10, and anode target includes：
First anode target 102, by first voltage so that the electron beam gone out by emission of cathode first anode target target spot
The first ray of upper generation.Wherein first voltage may be, for example, the high pressure of 90KV, and the electron beam that emission of cathode goes out is in first anode target
First ray of upper generation may be, for example, the X-ray with the first energy level.
Second plate target 104, by second voltage so that the electron beam gone out by emission of cathode second plate target target spot
The second ray of upper generation.Wherein, second voltage may be, for example, the high pressure of 180KV, and the electron beam that emission of cathode goes out is in second plate
The second ray generated on target may be, for example, the X-ray with the second energy level.
Wherein, first voltage and second voltage may be the high pressure of identical amplitude, and the disclosure is not limited.
Ceramic body 106, for first anode target 102 and second plate target 104 to be isolated.Ceramic body 106 includes：Cermet
Body.First anode target 102, second plate target 104 are weldingly connected with cermet body by golden copper.102 target of the first anode and
Two anode targets 104 are connect with cermet using golden brazing, are cured as an entirety, are easily installed debugging.In one kind of the disclosure
In exemplary embodiment, cathode assembly is staggered arrangement at the both ends of the anode target of anode assemblies.
Imaging device 302 is used to carry out radial imaging by the first ray and the second ray.Wherein, imaging device carries out
Radial imaging includes dual intensity radial imaging.
According to the ct apparatus of the disclosure, electron beam is generated by cathode assembly, is connect by anode assemblies
Receive electron beam, wherein anode assemblies are isolated by ceramics, anode target are divided into two parts, the anode target on both sides can add respectively
Different high pressures, the electron beam that the emission of cathode at anode target both ends goes out are beaten at the both ends of anode target to generate two kinds of different-energies
X-ray.To generate the distributed X-ray of dual intensity, then by imaging device progress directive imaging, it is capable of providing dual intensity ray
Imaging, improves the image quality of ray system.
It will be clearly understood that the present disclosure describes how to form and use particular example, but the principle of the disclosure is not limited to
These exemplary any details.On the contrary, the introduction based on disclosure disclosure, these principles can be applied to many other
Embodiment.
Fig. 6 is a kind of flow of the imaging method of ct apparatus shown according to an exemplary embodiment
Figure.
In S602, ct apparatus generates ray, and the ray includes the first ray and the second ray；Its
In, the ct apparatus, including：Cathode assembly is used for launching electronics beam；Anode assemblies come from for receiving
In the electron beam of the cathode assembly, ray source is generated；Wherein, the anode assemblies include anode target, the anode
Target includes：First anode target, by first voltage so that the electron beam gone out by emission of cathode the first anode target target spot
The first ray of upper generation；Second plate target, by second voltage so that the electron beam gone out by emission of cathode is in the second plate
The second ray is generated on the target spot of target；And ceramic body, for the first anode target and the second plate target to be isolated.
In S604, first actinism generates the first test data in testee.
In S606, second actinism generates the second test data in testee.
In S608, radial imaging is carried out by first test data and second test data.It wherein, can example
It is such as imaged by the imaging device in computer machine tomographic apparatus, can be also for example imaged by other imaging devices,
The disclosure is not limited.The radial imaging includes dual intensity radial imaging.Dual-energy imaging in the prior art can for example be passed through
Method carries out imaging calculating, and the disclosure is not limited.
It will be appreciated by those skilled in the art that realizing that all or part of step of above-described embodiment is implemented as being executed by CPU
Computer program.When the computer program is executed by CPU, above-mentioned work(defined by the above method that the disclosure provides is executed
Energy.The program can be stored in a kind of computer readable storage medium, which can be read-only memory, magnetic
Disk or CD etc..
Further, it should be noted that above-mentioned attached drawing is only the place included by method according to disclosure exemplary embodiment
Reason schematically illustrates, rather than limits purpose.It can be readily appreciated that above-mentioned processing shown in the drawings is not indicated or is limited at these
The time sequencing of reason.In addition, being also easy to understand, these processing for example can be executed either synchronously or asynchronously in multiple modules.
It will be appreciated by those skilled in the art that above-mentioned each module can be distributed according to the description of embodiment in device, also may be used
Uniquely it is different from one or more devices of the present embodiment with carrying out respective change.The module of above-described embodiment can be merged into
One module, can also be further split into multiple submodule.
By the description of above embodiment, those skilled in the art is it can be readily appreciated that example embodiment described herein
It can also be realized in such a way that software is in conjunction with necessary hardware by software realization.Therefore, implemented according to the disclosure
The technical solution of example can be expressed in the form of software products, which can be stored in a non-volatile memories
In medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) or on network, including some instructions are so that a computing device (can
To be personal computer, server, mobile terminal or network equipment etc.) it executes according to the method for the embodiment of the present disclosure.
By above detailed description, those skilled in the art it can be readily appreciated that according to the anode target of the embodiment of the present disclosure,
Ray source, ct apparatus and imaging method have one or more of the following advantages.
According to some embodiments, the anode target of the disclosure is isolated by ceramics, anode target is divided into two parts, both sides
Anode target can add different high pressures respectively, the electron beam that the emission of cathode at anode target both ends goes out beat the both ends of anode target to
Generate the X-ray of two kinds of different-energies.To generate the distributed X-ray of dual intensity, and then it is capable of providing dual intensity distributed radiation
Imaging data improves the image quality of ray system.
According to other embodiments, the ct apparatus of the disclosure generates electron beam by cathode assembly, leads to
It crosses anode assemblies and receives electron beam, then directive imaging is carried out by imaging device, be capable of providing dual intensity radial imaging, improve ray
The image quality of system.
Fig. 7 is a kind of anode target schematic diagram shown according to an exemplary embodiment.
A kind of anode target 1000 is proposed based on biserial arrangement anode target described above according to the one side of the disclosure, it should
Anode target includes：
Multiple target structures 102 are for receiving the electron beam gone out by emission of cathode, and to generate ray, multiple target spots are with oblique
The stereochemical structure in face；It is staggeredly placed between two neighboring target structure in multiple target structures.Adjacent two in multiple target structures 102
The inclined-plane of a target structure 102 is towards opposite direction.It is in same straight line in the target spot for the target structure 102 being staggeredly placed.Target knot
Structure may be, for example, rhenium tungsten target.Target structure 102 is for carrying high tension voltage, by high tension voltage so that electron beam is in target structure 102
Target spot on generate ray.Wherein high-voltage electricity may be, for example, the high pressure of 90KV, also may be, for example, the high pressure of 180KV, the disclosure is not
As limit.The ray that target structure 102 generates may be, for example, X-ray, correspond to the difference of high tension voltage, the X-ray tool of generation
There are different energy levels, the disclosure to be not limited.
Copper cooling body (not shown) is for carrying target structure, and copper cooling body includes oxygen-free copper cooling body, multiple target knots
Structure 102 can be for example welded on by brazing mode in copper cooling body.Can for example one be carried out at the back side of target structure 102 or bottom surface
Secondary property is welded in oxygen-free copper cooling body.The heat transfer deposited on target is situated between by the cooling body and heat carrier of oxygen-free copper to cooling
Matter is taken away.
Oil cooling service pipe 104 is for cooling down anode target.
For shielded layer (not shown) for generating shielding action, shielded layer includes tungsten shielded layer.Tungsten shielded layer is fixed on
The incident direction of electron beam, on the one hand reduces the electric-force gradient of anode target surface, on the other hand shields the X that anode target is got and penetrates
Line ensures that X-ray only goes out beam to surface, and the x-ray dose in other orientation is small as possible, reduces spoke of the later stage to entire radiographic source
Penetrate the difficulty of shielding work.
Electron beam is beaten after passing through tungsten shielded layer on rhenium tungsten target by the acceleration of anode high voltage, generates X-ray.
Fig. 8 is a kind of anode target side schematic view shown according to an exemplary embodiment, and Fig. 9 is according to an exemplary reality
Apply a kind of anode target vertical view exemplified.As seen from the figure, it is staggeredly placed between two neighboring rhenium tungsten target 102, inclined-plane court respectively
Two opposite directions, to receive the electronics emitted from anode target both ends electron gun.Two anodes being staggeredly placed
The center of target 102 point-blank, electron beam beat the position of anode target also be exactly anode target 102 center, because
This can generate the distributed X-ray source of focus point-blank.This method can make when electron gun is in anode target two
The target spot got is also on the same line when the arrangement of end.
According to the anode target of the disclosure, by having the target structure of bevelled stereochemical structure and staggeredly putting target structure
It sets, the target spot that the electronics that the emission of cathode that anode target both ends are arranged goes out can be got on anode target is enabled to be distributed in one
On straight line, so that the target spot got when anode target both ends are arranged of electron gun is also on the same line.Improve ray system
The image quality of system simplifies the complexity of imaging system.
Figure 10 is a kind of ray source schematic diagram shown according to an exemplary embodiment.
As shown in Figure 10, which includes：Cathode assembly 202 is used for launching electronics beam, which passes through
The attraction directive anode assemblies 204 of voltage.
Anode assemblies 204 interact for receiving the electron beam for coming from cathode assembly, electron beam with anode target, in turn
Generate ray source.
Wherein, anode assemblies include anode target 1000, and anode target includes：
Multiple target structures 102 are for receiving the electron beam gone out by emission of cathode, and to generate ray, multiple target spots are with oblique
The stereochemical structure in face；It is staggeredly placed between two neighboring target structure in multiple target structures.Adjacent two in multiple target structures 102
The inclined-plane of a target structure 102 is towards opposite direction.It is in same straight line in the target spot for the target structure 102 being staggeredly placed.Target knot
Structure may be, for example, rhenium tungsten target.Target structure 102 is for carrying high tension voltage, by high tension voltage so that electron beam is in target structure 102
Target spot on generate ray.Wherein high-voltage electricity may be, for example, the high pressure of 90KV, also may be, for example, the high pressure of 180KV, the disclosure is not
As limit.The ray that target structure 102 generates may be, for example, X-ray, correspond to the difference of high tension voltage, the X-ray tool of generation
There are different energy levels, the disclosure to be not limited.
Copper cooling body is for carrying target structure, and copper cooling body includes oxygen-free copper cooling body, and multiple target structures 102 can for example lead to
Brazing mode is crossed to be welded in copper cooling body.It for example can carry out disposably being welded on nothing at the back side of target structure 102 or bottom surface
In oxygen copper cooling body.The heat transfer deposited on target is given cooling medium to take away by the cooling body and heat carrier of oxygen-free copper.
Oil cooling service pipe 104 is for cooling down anode target.
For shielded layer (not shown) for generating shielding action, shielded layer includes tungsten shielded layer.Tungsten shielded layer is fixed on
The incident direction of electron beam, on the one hand reduces the electric-force gradient of anode target surface, on the other hand shields the X that anode target is got and penetrates
Line ensures that X-ray only goes out beam to surface, and the x-ray dose in other orientation is small as possible, reduces spoke of the later stage to entire radiographic source
Penetrate the difficulty of shielding work.
According to the ray source of the disclosure, electron beam is generated by cathode assembly, electron beam is received by anode assemblies,
In, by having the target structure of bevelled stereochemical structure and target structure being staggeredly placed, enable to all on anode target
Target spot is distributed on straight line, so that the target spot that electron gun is got when anode target both ends are arranged is also in same straight line
On.The image quality of ray system is improved, the complexity of imaging system is simplified.
Figure 11 is a kind of ct apparatus schematic diagram shown according to an exemplary embodiment.
As shown in figure 11, ct apparatus 3000 includes：
Cathode assembly 202 is used for launching electronics beam, the attraction directive anode assemblies 204 which passes through voltage.
Anode assemblies 204 interact for receiving the electron beam for coming from cathode assembly, electron beam with anode target, in turn
Generate ray source.
Wherein, anode assemblies include anode target 1000, and anode target includes：
Multiple target structures 102 are for receiving the electron beam gone out by emission of cathode, and to generate ray, multiple target spots are with oblique
The stereochemical structure in face；It is staggeredly placed between two neighboring target structure in multiple target structures.Adjacent two in multiple target structures 102
The inclined-plane of a target structure 102 is towards opposite direction.It is in same straight line in the target spot for the target structure 102 being staggeredly placed.Target knot
Structure may be, for example, rhenium tungsten target.Target structure 102 is for carrying high tension voltage, by high tension voltage so that electron beam is in target structure 102
Target spot on generate ray.Wherein high-voltage electricity may be, for example, the high pressure of 90KV, also may be, for example, the high pressure of 180KV, the disclosure is not
As limit.The ray that target structure 102 generates may be, for example, X-ray, correspond to the difference of high tension voltage, the X-ray tool of generation
There are different energy levels, the disclosure to be not limited.
Copper cooling body is for carrying target structure, and copper cooling body includes oxygen-free copper cooling body, and multiple target structures 102 can for example lead to
Brazing mode is crossed to be welded in copper cooling body.It for example can carry out disposably being welded on nothing at the back side of target structure 102 or bottom surface
In oxygen copper cooling body.The heat transfer deposited on target is given cooling medium to take away by the cooling body and heat carrier of oxygen-free copper.
Oil cooling service pipe 104 is for cooling down anode target.
For shielded layer (not shown) for generating shielding action, shielded layer includes tungsten shielded layer.Tungsten shielded layer is fixed on
The incident direction of electron beam, on the one hand reduces the electric-force gradient of anode target surface, on the other hand shields the X that anode target is got and penetrates
Line ensures that X-ray only goes out beam to surface, and the x-ray dose in other orientation is small as possible, reduces spoke of the later stage to entire radiographic source
Penetrate the difficulty of shielding work.
Imaging device 302 is used to carry out radial imaging by the first ray and the second ray.Wherein, imaging device carries out
Radial imaging includes dual intensity radial imaging.
According to the ct apparatus of the disclosure, electron beam is generated by cathode assembly, is connect by anode assemblies
Receive electron beam, wherein by having the target structure of bevelled stereochemical structure and target structure being staggeredly placed, enable to anode
All target spots are distributed on straight line on target, so that the target spot that electron gun is got when anode target both ends are arranged
On the same line.Directive imaging is carried out by imaging device again, the image quality of ray system can be improved, simplifies imaging system
The complexity of system.
It will be clearly understood that the present disclosure describes how to form and use particular example, but the principle of the disclosure is not limited to
These exemplary any details.On the contrary, the introduction based on disclosure disclosure, these principles can be applied to many other
Embodiment.
Figure 12 is a kind of flow of the imaging method of ct apparatus shown according to an exemplary embodiment
Figure.
In S802, ct apparatus generates ray.Wherein, the ct apparatus, including：
Cathode assembly is used for launching electronics beam；Anode assemblies are generated for receiving the electron beam for coming from the cathode assembly
Ray source；Wherein, the anode assemblies include anode target, and the anode target includes：Cathode assembly is used for launching electronics beam；
And anode assemblies generate ray source for receiving the electron beam for coming from the cathode assembly；Wherein, the sun
Pole component includes anode target, and the anode target includes：Multiple target structures, for receiving the electron beam gone out by emission of cathode, with production
Raw ray, the multiple target spot are to have bevelled stereochemical structure；Copper cooling body, for carrying the target structure, the copper is cold
But body includes oxygen-free copper cooling body；Oil cooling service pipe, for being cooled down to anode target；And shielded layer, make for generating shielding
With the shielded layer includes tungsten shielded layer.
In S804, the actinism generates test data in testee.
In S806, radial imaging imaging device is directly carried out by the test data, wherein can for example pass through calculating
In machine machine tomographic apparatus imaging device imaging, can be also for example imaged by other imaging devices, the disclosure not with
This is limited.
It will be appreciated by those skilled in the art that realizing that all or part of step of above-described embodiment is implemented as being executed by CPU
Computer program.When the computer program is executed by CPU, above-mentioned work(defined by the above method that the disclosure provides is executed
Energy.The program can be stored in a kind of computer readable storage medium, which can be read-only memory, magnetic
Disk or CD etc..
Further, it should be noted that above-mentioned attached drawing is only the place included by method according to disclosure exemplary embodiment
Reason schematically illustrates, rather than limits purpose.It can be readily appreciated that above-mentioned processing shown in the drawings is not indicated or is limited at these
The time sequencing of reason.In addition, being also easy to understand, these processing for example can be executed either synchronously or asynchronously in multiple modules.
It will be appreciated by those skilled in the art that above-mentioned each module can be distributed according to the description of embodiment in device, also may be used
Uniquely it is different from one or more devices of the present embodiment with carrying out respective change.The module of above-described embodiment can be merged into
One module, can also be further split into multiple submodule.
By the description of above embodiment, those skilled in the art is it can be readily appreciated that example embodiment described herein
It can also be realized in such a way that software is in conjunction with necessary hardware by software realization.Therefore, implemented according to the disclosure
The technical solution of example can be expressed in the form of software products, which can be stored in a non-volatile memories
In medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) or on network, including some instructions are so that a computing device (can
To be personal computer, server, mobile terminal or network equipment etc.) it executes according to the method for the embodiment of the present disclosure.
By above detailed description, those skilled in the art it can be readily appreciated that according to the anode target of the embodiment of the present disclosure,
Ray source, ct apparatus and imaging method have one or more of the following advantages.
According to some embodiments, the anode target of the disclosure, by having the target structure of bevelled stereochemical structure and by target
Structure is staggeredly placed, and target spot all on anode target is enabled to be distributed on straight line, so that electron gun is in sun
The target spot got is also on the same line when pole target both ends are arranged.The image quality of ray system is improved, imaging system is simplified
Complexity.
According to other embodiments, the ray source of the disclosure generates electron beam by cathode assembly, passes through anode assemblies
Receive electron beam, wherein by having the target structure of bevelled stereochemical structure and target structure being staggeredly placed, enable to sun
All target spots are distributed on straight line on the target of pole, so that the target spot that electron gun is got when anode target both ends are arranged
Also on the same line.The image quality of ray system is improved, the complexity of imaging system is simplified.
According to still other embodiments, the ct apparatus of the disclosure generates electron beam by cathode assembly, leads to
It crosses anode assemblies and receives electron beam, wherein by having the target structure of bevelled stereochemical structure and target structure being staggeredly placed,
Target spot all on anode target is enabled to be distributed on straight line, so that electron gun is when anode target both ends are arranged
The target spot got is also on the same line.Again by imaging device carry out directive imaging, can improve ray system at image quality
Amount simplifies the complexity of imaging system.
The anode target structure of the disclosure can double the dense degree of light source, improve the image quality of system.
It is particularly shown and described the exemplary embodiment of the disclosure above.It should be appreciated that the present disclosure is not limited to
Detailed construction, set-up mode or implementation method described herein；On the contrary, disclosure intention covers included in appended claims
Various modifications in spirit and scope and equivalence setting.
In addition, structure, ratio, size etc. shown by this specification Figure of description, only coordinating specification institute
Disclosure, for skilled in the art realises that with reading, being not limited to the enforceable qualifications of the disclosure, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the disclosure
Under the technique effect that can be generated and achieved purpose, it should all still fall the technology contents disclosed in the disclosure and obtain and can cover
In the range of.Meanwhile cited such as "upper" in this specification, " first ", " second " and " one " term, be also only and be convenient for
Narration is illustrated, rather than to limit the enforceable range of the disclosure, relativeness is altered or modified, without substantive change
Under technology contents, when being also considered as the enforceable scope of the disclosure.
Claims (9)
1. a kind of anode target, which is characterized in that including：
First anode target makes the electron beam gone out by emission of cathode in first sun for the first voltage by carrying thereon
The first ray is generated on the target spot of pole target；
Second plate target makes the electron beam gone out by emission of cathode in second sun for the second voltage by carrying thereon
The second ray is generated on the target spot of pole target；And
Ceramic body, for the first anode target and the second plate target to be isolated.
2. anode target as described in claim 1, which is characterized in that further include：
Oil cooling service pipe, for being cooled down to the first anode target and the second plate target；And
Shielded layer, the ray for being generated to the anode target shield.
3. anode target as described in claim 1, which is characterized in that the ceramic body includes：
The ceramic body being metallized.
4. anode target as claimed in claim 3, which is characterized in that the first anode target, the second plate target with it is described
The ceramic body being metallized is weldingly connected by golden copper.
5. anode target as described in claim 1, which is characterized in that the cathode is staggered arrangement at the both ends of the anode target.
6. a kind of ray source, which is characterized in that including：
Cathode assembly is used for launching electronics beam；And
Anode assemblies generate ray source for receiving the electron beam for coming from the cathode assembly；
Wherein, the anode assemblies include anode target, and the anode target includes：
First anode target makes the electron beam gone out by emission of cathode in first sun for the first voltage by carrying thereon
The first ray is generated on the target spot of pole target；
Second plate target makes the electron beam gone out by emission of cathode in second sun for the second voltage by carrying thereon
The second ray is generated on the target spot of pole target；And
Ceramic body, for the first anode target and the second plate target to be isolated.
7. ray source as claimed in claim 6, which is characterized in that the sun of the cathode assembly in the anode assemblies
The both ends of pole target are staggered arrangement.
8. a kind of ct apparatus, which is characterized in that including：
Cathode assembly is used for launching electronics beam；
Anode assemblies generate ray source for receiving the electron beam for coming from the cathode assembly；
Wherein, the anode assemblies include anode target, and the anode target includes：
First anode target makes the electron beam gone out by emission of cathode in first sun for the first voltage by carrying thereon
The first ray is generated on the target spot of pole target；
Second plate target makes the electron beam gone out by emission of cathode in second sun for the second voltage by carrying thereon
The second ray is generated on the target spot of pole target；And
Ceramic body, for the first anode target and the second plate target to be isolated；And
Imaging device, for carrying out radial imaging by first ray and second ray.
9. ct apparatus as claimed in claim 8, which is characterized in that the radial imaging includes dual intensity ray
Imaging.
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| CN201721538766.0U CN207909827U (en) | 2017-09-18 | 2017-09-18 | Anode target, ray source, ct apparatus |
| CN201721200901.0U CN207800543U (en) | 2017-09-18 | 2017-09-18 | Anode target, ray source, ct apparatus |
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| CN201721200901.0U CN207800543U (en) | 2017-09-18 | 2017-09-18 | Anode target, ray source, ct apparatus |
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| CN109940264A (en) * | 2019-03-20 | 2019-06-28 | 中国科学院理化技术研究所 | A kind of Mass Distribution regulating device of high-speed moving object |
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| CN107731644B (en) * | 2017-09-18 | 2019-10-18 | 同方威视技术股份有限公司 | Anode target, ray source, ct apparatus and imaging method |
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| CN109940264A (en) * | 2019-03-20 | 2019-06-28 | 中国科学院理化技术研究所 | A kind of Mass Distribution regulating device of high-speed moving object |
| CN109940264B (en) * | 2019-03-20 | 2021-02-19 | 中国科学院理化技术研究所 | Mass distribution adjusting device of high-speed moving object |
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