CN110337172A - A kind of electrocurtain accelerator - Google Patents
A kind of electrocurtain accelerator Download PDFInfo
- Publication number
- CN110337172A CN110337172A CN201910561459.1A CN201910561459A CN110337172A CN 110337172 A CN110337172 A CN 110337172A CN 201910561459 A CN201910561459 A CN 201910561459A CN 110337172 A CN110337172 A CN 110337172A
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- CN
- China
- Prior art keywords
- cathode
- electric conductor
- electrocurtain accelerator
- cathodic
- accelerator according
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
Abstract
This application discloses a kind of electrocurtain accelerators, comprising: electron curtain shell；And it is set to the cathode assembly in electron curtain shell, cathode assembly extends along the longitudinal direction of electron curtain shell, is used for launching electronics beam, cathode assembly includes: multiple cathodic connections, and multiple cathodic connections are arranged as two rows of cathodic connections；And multiple cathode electric conductors between two rows of cathodic connections are arranged side by side on, and wherein cathode electric conductor is the electric conductor of cascaded structure.Cathode electric conductor is set cascaded structure by the application, and current difference is small, and the electronics of transmitting is uniform.
Description
Technical field
The present invention relates to irradiation apparatus fields, more particularly to a kind of electrocurtain accelerator.
Background technique
Electrocurtain accelerator is a kind of Large-scale High-Pressure type accelerator without accelerating tube and scanning means, have it is small in size,
The features such as neat appearance, simple structure.Electron accelerator is mainly made of main components such as filament assembly (cathode) and anodes.Electricity
To the filament electrified regulation of cathode assembly when sub- accelerator works, a large amount of electronics can be generated, electronics is between the anode and cathode
High voltage electric field effect under, and very high energy can be generated to anode direction high-speed mobile.
Cathode electric conductor in existing electrocurtain accelerator is parallel-connection structure.When to electrocurtain accelerator offer high-voltage electricity
When pressure, the current difference on each cathode electric conductor of parallel-connection structure is larger, and the electronics for causing cathode electric conductor to emit is uneven.
Parallel-connection structure is generally for the cathode electric conductor in electrocurtain accelerator present in existing technology.When to electricity
When sub- curtain accelerator provides high tension voltage, the current difference on each cathode electric conductor of parallel-connection structure is larger, and cathode is caused to be led
The non-uniform technical problem of electronics of electric body transmitting, does not have effective solution means still at present.
Summary of the invention
It solves the above problems it is an object of the invention to overcome the above problem or at least be partially solved or extenuate.
According to the present invention, a kind of electrocurtain accelerator is provided, comprising: electron curtain shell；And it is set to outside electron curtain
Cathode assembly in shell, cathode assembly extend along the longitudinal direction of electron curtain shell, are used for launching electronics beam, cathode assembly includes: more
A cathodic connection, multiple cathodic connections are arranged as two rows of cathodic connections；And it is arranged side by side on two rows of cathodic connections
Between multiple cathode electric conductors, and plurality of cathode electric conductor pass through cathodic connection be connected in series, constitute tandem junction
The electric conductor of structure.
Optionally, cathode electric conductor is the electric conductor of laminated structure.
Optionally, cathode electric conductor with a thickness of 0.5mm.
Optionally, cathode electric conductor includes multiple bending sections, constitutes the structure that bending extends.
Optionally, cathode electric conductor is the laminated structure of straight bar shape.
Optionally, cathode electric conductor is filament, and filament includes multiple flex portions with curved shape.
Optionally, multiple flex portions with curved shape are constituted spiral-shaped.
Optionally, spiral-shaped central diameter is 1.5mm.
Optionally, multiple flex portions with curved shape include constituting multiple flex portions of corrugated shape.
Optionally, multiple flex portions with curved shape include multiple bending sections, and multiple bending sections are irregular curved
Shape.
Optionally, cathodic connection is low-resistance high-temperature metal.
Optionally, cathode assembly further includes support frame, and wherein cathodic connection is fixed on support frame by screw.
It optionally, further include the ceramic insulation cushion cover being arranged between cathodic connection and screw, for cathode is conductive
Body and screw completely cut off.
It optionally, further include the titanium window assembly that cathode assembly corresponding position is set, wherein setting is corresponding in cathode assembly
The titanium window assembly of position passes through for beamlet of powering.
It optionally, further include the resistance to compression bonded line being connect with cathode assembly, resistance to compression bonded line is connect with cathode assembly, is used for yin
Pole electric conductor applies voltage heating.
It optionally, further include high-voltage connection, high-voltage connection with cathode assembly and receives the electronics of cathode assembly transmitting respectively
The anode of beam connects, for mentioning between the cathode electric conductor of cathode assembly and the anode for the electron beam for receiving cathode assembly transmitting
For high voltage electric field.
Optionally, be vacuum environment between cathode assembly and electron curtain shell, for by cathode assembly and other component every
Absolutely.
Optionally, further include outside and the treatment box for being set to electron curtain shell, be wherein provided in treatment box for connecing
By the anode for the electron beam that cathode assembly emits.
To in the inventive solutions, provide a kind of electrocurtain accelerator, comprising: electron curtain shell；And it sets
The cathode assembly being placed in electron curtain shell, cathode assembly extend along the longitudinal direction of electron curtain shell, are used for launching electronics beam, cathode
Component includes: multiple cathodic connections, and multiple cathodic connections are arranged as two rows of cathodic connections；And it is arranged side by side on two rows
Multiple cathode electric conductors between cathodic connection, and plurality of cathode electric conductor is connected in series by cathodic connection,
Constitute the electric conductor of cascaded structure.
It is parallel-connection structure compared to the cathode electric conductor in existing electron accelerator.Electron accelerator in present embodiment
Cathode electric conductor be cascaded structure.To which the current difference of the cathode electric conductor of cascaded structure is smaller, so that the electronics of transmitting
It is more uniform.Cathode electric conductor to solve in electrocurtain accelerator present in existing technology is generally and is coupled
Structure.When providing high tension voltage to electrocurtain accelerator, electric current differs greatly on the cathode electric conductor of each parallel-connection structure, causes
The non-uniform technical problem of electronics of the cathode electric conductor transmitting of parallel-connection structure.
According to the accompanying drawings to the detailed description of specific embodiments of the present invention, those skilled in the art will be more
The above and other objects, advantages and features of the present invention is illustrated.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 shows the schematic diagram of the electrocurtain accelerator according to the application specific embodiment；
Fig. 2 shows illustrated according to the cross section of the cathode assembly of the electrocurtain accelerator of the application specific embodiment
Figure；
Fig. 3 shows the side schematic view of the cathode assembly of the electrocurtain accelerator according to the application specific embodiment；
Fig. 4 A is the schematic partial enlarged view of the cathode electric conductor of the cathode assembly of electrocurtain accelerator shown in Fig. 2；
Fig. 4 B is the another form of signal of the cathode electric conductor of the cathode assembly of electrocurtain accelerator shown in Fig. 2
Figure；
Fig. 5 is the schematic partial enlarged view of the cathode assembly of electrocurtain accelerator shown in Fig. 2, and cathode is shown
Connector, ceramic insulation cushion cover and screw.
Specific embodiment
Fig. 1 shows the schematic diagram of the electrocurtain accelerator according to the application specific embodiment.Fig. 2 shows according to this
Apply for the cross-sectional of the cathode assembly of the electrocurtain accelerator of specific embodiment.Fig. 3 is shown to be had according to the application
The side schematic view of the cathode assembly of the electrocurtain accelerator of body embodiment.Fig. 4 is the yin of electrocurtain accelerator shown in Fig. 2
The schematic partial enlarged view of the cathode electric conductor of pole component.Fig. 5 is showing for the cathode assembly of electrocurtain accelerator shown in Fig. 2
Meaning property partial enlarged view, is shown cathodic connection, ceramic insulation cushion cover and screw.
Referring to figs. 1 to shown in Fig. 5, present embodiments provide for a kind of electrocurtain accelerator and the yin of electrocurtain accelerator
Pole component.
Refering to what is shown in Fig. 1, a kind of electrocurtain accelerator, comprising: electron curtain shell 8；And it is set in electron curtain shell 8
Cathode assembly 7, cathode assembly 7 along electron curtain shell 8 longitudinal direction extend, be used for launching electronics beam, cathode assembly 7 includes: more
A cathodic connection 2, multiple cathodic connections 2 are arranged as two rows of cathodic connections 2；And it is arranged side by side on two rows of cathode connections
Multiple cathode electric conductors 1 between part 2, and plurality of cathode electric conductor 1 is connected in series by cathodic connection 2, is constituted
The electric conductor of cascaded structure.
Referring in background technique, the cathode electric conductor in existing electrocurtain accelerator is parallel-connection structure.When to electronics
When curtain accelerator provides high tension voltage, the cathode electric conductor electric current of cascaded structure is almost without difference, when cathode electric conductor heats
When to normal working temperature, middle section becomes curved shape due to dilatancy, causes local filament launching electronics direction
Change, and the current difference on each cathode electric conductor of parallel-connection structure is larger, the electronics for causing cathode electric conductor to emit is not
Uniformly.
It aiming at the problems existing in the prior art, in the inventive solutions, will side by side referring to figs. 1 to shown in Fig. 4
The multiple cathode electric conductors 1 being arranged between two rows of cathodic connections 2 are set as cascaded structure.To which the cathode of cascaded structure is led
The parallel-connection structure of electric body compared to the prior art is compared, and for the electric current of cascaded structure almost without difference, the electronics of transmitting is more equal
It is even.To the electron curtain compared with the cathode electric conductor in existing electrocurtain accelerator is parallel-connection structure, in present embodiment
Cathode electric conductor in accelerator is cascaded structure.Thus when providing high tension voltage to electrocurtain accelerator, cascaded structure
Cathode electric conductor electric current is almost without difference, so that the electronics of transmitting is more uniform.
Optionally, with reference to shown in Fig. 4 A, cathode electric conductor 1 is the electric conductor of laminated structure.For example, cathode electric conductor 1 is
Leaf.To the tungsten wire of leaf compared to the prior art, the cathode conduction bulk area of laminated structure is bigger, and the quantity of electric charge of generation is more
It is more.
Optionally, although not shown in the drawings, cathode electric conductor 1 with a thickness of 0.5mm.The thickness of certain cathode electric conductor 1
It is also possible to the laminated structure of other thickness.
Optionally, with reference to shown in Fig. 4 A, cathode electric conductor 1 includes multiple bending sections, constitutes the structure that bending extends.To
The length of cathode electric conductor increases, so as to emit more electron beams.
Optionally, although not shown in the drawings, cathode electric conductor 1 is the laminated structure of straight bar shape.To cathode electric conductor 1
It is more enough to generate more electronics.
In addition, another form as cathode electric conductor 1, with reference to shown in Fig. 4 B, cathode electric conductor 1 is filament 1, described
Filament 1 includes multiple flex portions with curved shape.To which the non-deformability of the flex portion with curved shape is stronger.
Optionally, with reference to shown in Fig. 4 B, multiple flex portions with curved shape constitute spiral-shaped.To spiral shape
The filament of shape is capable of forming more stable structure.
Optionally, with reference to shown in Fig. 4 B, spiral-shaped central diameter is 1.5mm.To spiral-shaped cathode electric conductor
Central diameter very little, radial deflection can be ignored.
Optionally, although not shown in the drawings, multiple flex portions with curved shape include the multiple of composition corrugated shape
Flex portion.So as to improve the deformation resistance of cathode electric conductor.
Optionally, multiple flex portions with curved shape include multiple bending sections, and multiple bending sections are irregular curved
Shape.To which the flex portion of irregular curved shape can be improved the deformation resistance of cathode electric conductor.
Optionally, although not shown in the drawings, cathodic connection 2 is low-resistance high-temperature metal.For example, cathodic connection 2 be tungsten,
The low-resistances high-temperature metal such as molybdenum.
Optionally, shown in referring to figs. 2 and 3, cathode assembly 7 further includes support frame 3, and wherein cathodic connection 2 passes through spiral shell
Nail 4 is fixed on support frame 3.To which cathode electric conductor 1 is installed on support frame 3 or unloads from support frame 3 in which can be convenient
Get off, thus easy to use, assembly is simple.
Optionally, refering to what is shown in Fig. 5, further including the ceramic insulation cushion cover 5 being arranged between cathodic connection 2 and screw 4,
For completely cutting off cathode electric conductor 1 and screw 4, so that cathode electric conductor 1 and screw 4 be avoided to be connected.
It optionally, further include the titanium window assembly 10 that 7 corresponding position of cathode assembly is set, wherein be arranged in cathode assembly 7
The titanium window assembly 10 of corresponding position passes through for beamlet of powering.Can pass through from titanium window assembly 10 to electron beam, bombardment to pair
It answers on the anode of position, generates X-ray.
Optionally, refering to what is shown in Fig. 1, further including the resistance to compression bonded line 6 being connect with cathode assembly 7, resistance to compression bonded line 6 and cathode sets
Part 7 connects, for applying voltage heating to cathode electric conductor 1.To by applying voltage to cathode conduction to cathode electric conductor 1
Body 1 is heated, so that cathode electric conductor 1 can emit more electron beams, enhancing generates the effect of X-ray.
Optionally, refering to what is shown in Fig. 1, further including high-voltage connection 9, high-voltage connection 9 respectively with cathode assembly 7 and receive cathode
The anode connection for the electron beam that component 7 emits for the cathode electric conductor 1 in cathode assembly 7 and receives the transmitting of cathode assembly 7
High voltage electric field is provided between the anode of electron beam.
Optionally, it is vacuum environment between cathode assembly 7 and electron curtain shell 8, is used for cathode assembly 7 and other component
Isolation.
Optionally, further include outside and the treatment box for being set to electron curtain shell 8, be wherein provided in treatment box for connecing
By the anode for the electron beam that cathode assembly 7 emits.
In conclusion compared with the cathode electric conductor in existing electron accelerator is parallel-connection structure.In present embodiment
Electron accelerator cathode electric conductor be cascaded structure.To which the current difference of the cathode electric conductor of cascaded structure is smaller, make
The electronics that must emit is more uniform.To solve the cathode electric conductor one in electrocurtain accelerator present in existing technology
As be parallel-connection structure.When providing high tension voltage to electrocurtain accelerator, current difference on the cathode electric conductor of each parallel-connection structure
The non-uniform technical problem of electronics that is different larger, causing the cathode electric conductor of parallel-connection structure to emit.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of electrocurtain accelerator, comprising: electron curtain shell (8)；And it is set to the cathode in the electron curtain shell (8)
Component (7), the cathode assembly (7) extend along the longitudinal direction of the electron curtain shell (8), are used for launching electronics beam, feature exists
In the cathode assembly (7) includes:
Multiple cathodic connections (2), the multiple cathodic connection (2) are arranged as two rows of cathodic connections (2)；And
The multiple cathode electric conductors (1) being arranged side by side between two rows of cathodic connections (2), and wherein
The multiple cathode electric conductor (1) is connected in series by the cathodic connection (2), constitutes the electric conductor of cascaded structure.
2. electrocurtain accelerator according to claim 1, which is characterized in that the cathode electric conductor (1) is laminated structure
Electric conductor.
3. electrocurtain accelerator according to claim 2, which is characterized in that the cathode electric conductor (1) includes multiple curved
Pars convoluta constitutes the structure that bending extends.
4. electrocurtain accelerator according to claim 2, which is characterized in that the cathode electric conductor (1) is straight bar shape
Laminated structure.
5. electrocurtain accelerator according to claim 1, which is characterized in that the cathode electric conductor (1) is filament (1),
The filament (1) includes multiple flex portions with curved shape.
6. electrocurtain accelerator according to claim 5, which is characterized in that the multiple flex portion with curved shape
It constitutes spiral-shaped.
7. electrocurtain accelerator according to claim 5, which is characterized in that the multiple flex portion with curved shape
Multiple flex portions including constituting corrugated shape.
8. electrocurtain accelerator according to claim 5, which is characterized in that the multiple flex portion with curved shape
Including multiple bending sections, the multiple bending section is irregular curved shape.
9. electrocurtain accelerator according to claim 1, which is characterized in that the cathode assembly (7) further includes support frame
(3), wherein the cathodic connection (2) is fixed on support frame as described above (3) by screw (4).
10. electrocurtain accelerator according to claim 9, which is characterized in that further include setting cathodic connection (2) with
Ceramic insulation cushion cover (5) between screw (4), for completely cutting off the cathode electric conductor (1) and screw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561459.1A CN110337172A (en) | 2019-06-26 | 2019-06-26 | A kind of electrocurtain accelerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561459.1A CN110337172A (en) | 2019-06-26 | 2019-06-26 | A kind of electrocurtain accelerator |
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| CN110337172A true CN110337172A (en) | 2019-10-15 |
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| CN201910561459.1A Pending CN110337172A (en) | 2019-06-26 | 2019-06-26 | A kind of electrocurtain accelerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115529710A (en) * | 2022-09-28 | 2022-12-27 | 中国原子能科学研究院 | Electron curtain accelerator |
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