CN110335799A - Electron-beam tube - Google Patents
Electron-beam tube Download PDFInfo
- Publication number
- CN110335799A CN110335799A CN201910341001.5A CN201910341001A CN110335799A CN 110335799 A CN110335799 A CN 110335799A CN 201910341001 A CN201910341001 A CN 201910341001A CN 110335799 A CN110335799 A CN 110335799A
- Authority
- CN
- China
- Prior art keywords
- electron
- electrode
- filament
- cylinder body
- insulating cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010894 electron beam technology Methods 0.000 title claims abstract description 28
- 238000000605 extraction Methods 0.000 claims abstract description 23
- 230000001133 acceleration Effects 0.000 claims abstract description 16
- 230000005684 electric field Effects 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 25
- 239000010935 stainless steel Substances 0.000 claims description 25
- 239000011521 glass Substances 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/863—Vessels or containers characterised by the material thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/02—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
- H01J31/04—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused with only one or two output electrodes with only two electrically independant groups or electrodes
Landscapes
- Electron Sources, Ion Sources (AREA)
Abstract
The invention discloses a kind of electron-beam tubes, it include: vacuum tube, including electron gun and insulating cylinder body, the insulating cylinder body inner vacuum, the electron gun includes the mounting plate for closing insulating cylinder body one end, two filament electrodes on a mounting board is arranged and connect the filament of filament electrode, the filament is in insulating cylinder body, is used for launching electronics；Focusing electrode is set in insulating cylinder body and is located at below filament, is used to form the electric field for making electron focusing；Extraction electrode is set in insulating cylinder body and is located at below focusing electrode, for controlling the moving direction of electronics；And several acceleration electrodes, it is arranged in insulating cylinder body and is located at below extraction electrode, for accelerates electronics.Electron-beam tube provided by the invention, without filling high-voltage isulation gas, overall structure is simple, and manufacturing cost is cheap, highly-safe.
Description
Technical field
The present invention relates to electronics acceleration technique fields, specifically, being related to a kind of electron-beam tube.
Background technique
Steel cylinder Puffer-type accelerator is commonly referred to as three high accelerators: hyperbar, high voltage, high vacuum.Because filled with high pressure
Insulating gas improves the voltage gradient of accelerating tube, and voltage can be made high, stable, is not influenced by Changes in weather.
But also because to fill 7-16 atmospheric pressure high-voltage isulation gas, the accelerating tube for needing to keep vacuum enhancing energy is greatly improved
Technical requirements keep the manufacturing process of accelerating tube complicated, and technical difficulty is high, somewhat expensive；Also make another receiving high pressure simultaneously
Hyperbar structure of container is complicated and heavy, and manufacturing expense is high, and the maintenance cost of equipment is high, and the hyperbar container is gone back in use
There is risk of explosion.
Summary of the invention
The purpose of the present invention is to provide a kind of electron-beam tubes, and without filling high-voltage isulation gas, overall structure is simple, manufacture
It is low in cost, it is highly-safe.
Technical solution used by electron-beam tube disclosed by the invention is:
A kind of electron-beam tube, comprising: vacuum tube, including electron gun and insulating cylinder body, the insulating cylinder body inner vacuum, institute
Stating electron gun includes two filament electrodes and connection filament of the mounting plate for closing insulating cylinder body one end, setting on a mounting board
The filament of electrode, the filament are in insulating cylinder body, are used for launching electronics；Focusing electrode in insulating cylinder body and is located at
Below filament, it is used to form the electric field for making electron focusing；Extraction electrode is set in insulating cylinder body and is located at below focusing electrode,
For controlling the moving direction of electronics；And several acceleration electrodes, it is arranged in insulating cylinder body and is located at below extraction electrode, uses
In accelerating electronics.
Preferably, erectting in the insulating cylinder body has several insulating bars, and extraction electrode and acceleration electrode are fixed
On the insulating bar.
Preferably, several insulation sleeves are arranged on the insulating bar, any one extraction electrode or acceleration electrode
It is arranged between adjacent insulation sleeve.
Preferably, a horn mouth for running through focusing electrode upper and lower surface, the loudspeaker are offered on the focusing electrode
The small head end of mouth is opposite with the filament of top.
Preferably, one divider resistance of each acceleration electrode series connection.
Preferably, the mounting plate is set to stainless steel upper flange, between the mounting plate and stainless steel upper flange
Equipped with aluminium wire sealing ring.
Preferably, the through-hole passed through for filament electrode is offered on the mounting plate, the filament electrode leans on
Nearly lead to the hole site is equipped with insulating ceramics.
Preferably, the insulating cylinder body includes glass infuser, stainless steel upper flange and stainless steel lower flange, described
Stainless steel upper flange and stainless steel lower flange are separately positioned on upper end opening and lower ending opening.
Preferably, the stainless steel upper flange is fixed on glass infuser upper end opening by vacuum glue, it is described not
Rust steel lower flange is fixed on glass infuser lower ending opening by vacuum glue.
Preferably, the inlet flange of Beam Transport Systems is equipped with below the stainless steel lower flange, under stainless steel
Aluminium wire sealing ring is equipped between flange and inlet flange.
The beneficial effect of electron-beam tube disclosed by the invention is: insulating cylinder body inner vacuum, accelerate electrode, extraction electrode,
Focusing electrode and filament are in vacuum environment.Electric current reaches filament, the heated simultaneously launching electronics of filament, transmitting from filament electrode
Electronics be brought out electrode and attract and mobile towards the extraction electrode direction, electronics is restrained when being moved to extraction electrode to be focused into
Electron beam, electron beam continue to move to and enter accelerate electrode, accelerate electrode about beam electrons and it is made to accelerate movement, the electricity after acceleration
Beamlet is removed from the inlet flange of Beam Transport Systems.Due to using vacuum insulation, without filling high-voltage isulation gas, overall structure
Simply, manufacturing cost is cheap, highly-safe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electron-beam tube of the present invention.
Fig. 2 is the local A enlarged diagram of electron-beam tube of the present invention.
Specific embodiment
The present invention is further elaborated and is illustrated with Figure of description combined with specific embodiments below:
Referring to FIG. 1, a kind of electron-beam tube, including vacuum tube 10, focusing electrode 20, extraction electrode 30, acceleration electrode 40.
Vacuum tube 10 includes electron gun 11 and insulating cylinder body 12, and insulating cylinder body 12 includes glass infuser 121, stainless steel upper flange
122 and stainless steel lower flange 123.Wherein, 121 upper and lower ends of glass infuser are open, and upper end opening is to contract, stainless steel upper flange
122 are fixed on 121 upper end opening of glass infuser by vacuum glue, and stainless steel lower flange 123 is fixed on glass by vacuum glue
121 lower ending openings of cylinder.The inlet flange 13 of Beam Transport Systems, stainless steel lower flange 123 are equipped with below stainless steel lower flange 123
Aluminium wire sealing ring is equipped between inlet flange 13.
Electron gun 11 is used for launching electronics, specifically includes two filament electrodes 111, filament 112 and mounting plate 113,
In, mounting plate 113 is fixed on stainless steel upper flange 122, and aluminium wire sealing ring is equipped between stainless steel upper flange 122.Peace
The through-hole passed through for filament electrode 111 is offered in loading board 113, the close lead to the hole site of filament electrode 111 is equipped with insulation pottery
Porcelain 114.
Fig. 1 and Fig. 2 are please referred to, 112 both ends of filament are connected to the bottom end of two filament electrodes 111.Filament supply mentions
The electric current of confession reaches filament 112 by filament electrode 111, so that filament 112 obtains enough electric energy launching electronics.Specifically,
Filament 112 includes two the first vertical sections 1121 extended straight down from 111 one end of filament electrode respectively, and connection two
First linkage section 1122 of the first vertical section 1121, first linkage section 1122 are horizontally disposed and close to focusing electrode 20.The
It is bent downward in the middle part of one linkage section 1122, forms the of two second vertical sections 1123 of two second vertical sections 1123 and connection
Two linkage sections 1124.
Focusing electrode 20 is arranged close to the bottom of filament 112, and is fixed on mounting plate 113 by a bolt.Focus electricity
Pole 20 is used to form constrained electric field and acts on electronics, so that the focusing of electronics forms electron beam.It is offered on the focusing electrode 20
One up-small and down-big horn mouth 21, the small head end of the horn mouth 21 and the filament 112 of top are corresponding, specifically, the of filament 112
Two linkage sections 1124 are located at the small head end of horn mouth 21, and the small head end that the second linkage section 1124 is dimensioned slightly smaller than the horn mouth 21 is straight
Diameter.
Erectting in glass infuser 121 has several insulating bars 124, and extraction electrode 30 and acceleration electrode 40 are each attached to the insulating bar
On 124.Several insulation sleeves 125 are arranged on insulating bar 124, any one extraction electrode 30 or acceleration electrode 40 are arranged at phase
Between adjacent insulation sleeve 125.
Extraction electrode 30 is anode, attracts electronics using principle of opposite sex attraction, and the extraction electrode 30 setting is focusing
20 lower section of electrode, is circular cylinder structure.Several acceleration electrodes 40 are arranged below extraction electrode 30, former using there is a natural attraction between the sexes
Reason accelerates electronics.
Extraction electrode 30 and each acceleration electrode 40 are connected a divider resistance 41, the direct current that high-voltage DC power supply provides
Electricity is powered after being divided by each divider resistance to high pressure.
Implementation process: filament supply is powered to electron gun 11, and electric current reaches filament 112, filament 112 from filament electrode 111
Heated and launching electronics；High-voltage DC power supply is to extraction electrode 30 and electrode 40 is accelerated to power, and the electronics of transmitting is brought out electrode
30 attract towards 30 direction of extraction electrode movement, and electronics is restrained when being moved to extraction electrode 30 to be focused into electron beam, electricity
Beamlet continues to move to and enters accelerate electrode 40, accelerates the about beam electrons of electrode 40 and it is made to accelerate movement, the electron beam after acceleration
It is removed from the inlet flange of Beam Transport Systems.
Electron-beam tube disclosed by the invention, insulating cylinder body inner vacuum accelerate electrode, extraction electrode, focusing electrode and lamp
Silk is in vacuum environment.Due to using vacuum insulation, without filling high-voltage isulation gas, overall structure is simple, manufacturing cost
It is cheap, it is highly-safe.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (10)
1. a kind of electron-beam tube characterized by comprising
Vacuum tube, including electron gun and insulating cylinder body, the insulating cylinder body inner vacuum, the electron gun include closing insulating cylinder
The mounting plate of body one end is arranged two filament electrodes on a mounting board and connects the filament of filament electrode, at the filament
In in insulating cylinder body, it to be used for launching electronics；
Focusing electrode is set in insulating cylinder body and is located at below filament, is used to form the electric field for making electron focusing；
Extraction electrode is set in insulating cylinder body and is located at below focusing electrode, for controlling the moving direction of electronics；And
Several acceleration electrodes are arranged in insulating cylinder body and are located at below extraction electrode, for accelerating electronics.
2. electron-beam tube as described in claim 1, which is characterized in that erectting in the insulating cylinder body has several insulating bars, draws
Electrode and acceleration electrode are each attached on the insulating bar out.
3. electron-beam tube as claimed in claim 2, which is characterized in that be arranged with several insulation sleeves on the insulating bar, arbitrarily
One extraction electrode accelerates electrode to be arranged between adjacent insulation sleeve.
4. electron-beam tube as described in any one of claims 1-3, which is characterized in that offer one on the focusing electrode and run through
The horn mouth of focusing electrode upper and lower surface, the bell-mouthed small head end are opposite with the filament of top.
5. electron-beam tube as claimed in claim 4, which is characterized in that one divider resistance of each acceleration electrode series connection.
6. electron-beam tube as claimed in claim 4, which is characterized in that the mounting plate is set to glass upper flange, the installation
Aluminium wire sealing ring is equipped between plate and glass upper flange.
7. electron-beam tube as claimed in claim 4, which is characterized in that offer on the mounting plate and to be passed through for filament electrode
The close lead to the hole site of through-hole, the filament electrode is equipped with insulating ceramics.
8. electron-beam tube as claimed in claim 4, which is characterized in that the insulating cylinder body includes glass infuser, method on stainless steel
Blue and stainless steel lower flange, the stainless steel upper flange and stainless steel lower flange are separately positioned on upper end opening and open with lower end
Mouthful.
9. electron-beam tube as claimed in claim 8, which is characterized in that the stainless steel upper flange is fixed on by vacuum glue
Glass infuser upper end opening, the stainless steel lower flange are fixed on glass infuser lower ending opening by vacuum glue.
10. electron-beam tube as claimed in claim 9, which is characterized in that be equipped with beam transfer below the stainless steel lower flange
The inlet flange of system is equipped with aluminium wire sealing ring between stainless steel lower flange and inlet flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341001.5A CN110335799A (en) | 2019-04-25 | 2019-04-25 | Electron-beam tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341001.5A CN110335799A (en) | 2019-04-25 | 2019-04-25 | Electron-beam tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110335799A true CN110335799A (en) | 2019-10-15 |
Family
ID=68139939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910341001.5A Pending CN110335799A (en) | 2019-04-25 | 2019-04-25 | Electron-beam tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110335799A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005032732A (en) * | 2004-09-15 | 2005-02-03 | Hitachi Ltd | Scanning electron microscope |
| JP2005214908A (en) * | 2004-02-02 | 2005-08-11 | Nhv Corporation | Acceleration tube for electron beam accelerator |
| WO2010001953A1 (en) * | 2008-07-03 | 2010-01-07 | 株式会社日立ハイテクノロジーズ | Electron source device, ion source device and charged particle source device |
| CN103268849A (en) * | 2013-04-28 | 2013-08-28 | 江苏达胜加速器制造有限公司 | Electronic gun for industrial electron irradiation accelerator |
| CN209729862U (en) * | 2019-04-25 | 2019-12-03 | 深圳凯禾电子束装置技术有限公司 | Electron-beam tube |
-
2019
- 2019-04-25 CN CN201910341001.5A patent/CN110335799A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005214908A (en) * | 2004-02-02 | 2005-08-11 | Nhv Corporation | Acceleration tube for electron beam accelerator |
| JP2005032732A (en) * | 2004-09-15 | 2005-02-03 | Hitachi Ltd | Scanning electron microscope |
| WO2010001953A1 (en) * | 2008-07-03 | 2010-01-07 | 株式会社日立ハイテクノロジーズ | Electron source device, ion source device and charged particle source device |
| CN103268849A (en) * | 2013-04-28 | 2013-08-28 | 江苏达胜加速器制造有限公司 | Electronic gun for industrial electron irradiation accelerator |
| CN209729862U (en) * | 2019-04-25 | 2019-12-03 | 深圳凯禾电子束装置技术有限公司 | Electron-beam tube |
Non-Patent Citations (1)
| Title |
|---|
| 陈金华: "《低能电子辐照加速器加速管的设计与优化》", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》, no. 06, pages 040 - 11 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200117 Address after: A402, block B, Dachong series building, Nanshan District, Shenzhen City, Guangdong Province Applicant after: Zhuang Yuhao Address before: 518000, 201, No. 543 Bulong Road, Bantian Street, Longgang District, Shenzhen City, Guangdong Province Applicant before: Shenzhen Kaihe Electron Beam Device Technology Co., Ltd. |