CN113099600A - Neutron pipe target pole structure with adjustable target distance - Google Patents
Neutron pipe target pole structure with adjustable target distance Download PDFInfo
- Publication number
- CN113099600A CN113099600A CN202110361045.1A CN202110361045A CN113099600A CN 113099600 A CN113099600 A CN 113099600A CN 202110361045 A CN202110361045 A CN 202110361045A CN 113099600 A CN113099600 A CN 113099600A
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- target
- insulator
- baffle
- pull rod
- pole
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- 239000012212 insulator Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 abstract description 6
- 238000010884 ion-beam technique Methods 0.000 abstract description 4
- 230000008602 contraction Effects 0.000 abstract 1
- 230000001133 acceleration Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- 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
- H05H3/00—Production or acceleration of neutral particle beams, e.g. molecular or atomic beams
- H05H3/06—Generating neutron beams
-
- 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
- H05H6/00—Targets for producing nuclear reactions
- H05H6/005—Polarised targets
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- High Energy & Nuclear Physics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Optics & Photonics (AREA)
- Particle Accelerators (AREA)
Abstract
一种靶距可调式中子管靶极结构，包括靶极绝缘体，靶极绝缘体外侧嵌接有法拉第筒的出口侧，靶极绝缘体内侧两端分别与螺杆的一端相连接，两根螺杆的另一端分别垂直穿过挡板两端与螺母相适配连接；靶极绝缘体与挡板之间连接有波纹伸缩管，挡板内侧连接有拉杆的固定端，拉杆的游离端穿过波纹伸缩管内腔与靶极相连接；通过调节螺母在螺杆上的位置，带动波纹伸缩管的伸缩，可使得挡板沿轴向往复运动，从而利用拉杆带动靶极，使得其和法拉第筒之间的距离可调，提高离子束打到靶极表面的范围，增加参与反应的离子数量，提高靶极的利用率，增加了中子产额；具有结构简单，操作简便，实用高效的优点。
A target structure of a neutron tube with adjustable target distance, comprising a target insulator, an outlet side of a Faraday cylinder is embedded on the outside of the target insulator, two ends of the inner side of the target insulator are respectively connected with one end of a screw rod, and the other side of the two screws One end vertically passes through the baffle and both ends are matched with the nut; a corrugated telescopic tube is connected between the target insulator and the baffle, the inner side of the baffle is connected with the fixed end of the pull rod, and the free end of the pull rod passes through the inner cavity of the corrugated telescopic tube It is connected with the target; by adjusting the position of the nut on the screw, the expansion and contraction of the corrugated telescopic tube can be driven, so that the baffle can reciprocate in the axial direction, so that the target is driven by the pull rod, so that the distance between it and the Faraday cylinder can be adjusted. , to increase the range of the ion beam hitting the target surface, increase the number of ions participating in the reaction, improve the utilization rate of the target, and increase the neutron yield; it has the advantages of simple structure, simple operation, practicality and high efficiency.
Description
The invention relates to the technical field of neutron tubes, in particular to a target pole structure of a neutron tube with an adjustable target distance.
Background
At present, most of neutron tubes work on the principle that ions generated from a plasma region are led out from a leading-out hole, accelerated through a Faraday cylinder, targeted on the surface of a target pole, and reacted to form neutrons. However, since the ions coming out of the acceleration tube are in a beam shape and the distance between the acceleration tube and the target is fixed, the area of the ion beam hitting the target is greatly affected, and neutrons generated by the reaction are relatively less, so that the utilization rate of the target is relatively low.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a target distance adjustable neutron tube target structure, which can adjust the distance between a target and a Faraday cylinder and further control the area of an ion beam striking the target of the neutron tube, so that the surface of the target is fully utilized, the utilization rate of the surface of the target is greatly improved, and the neutron yield is improved.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a target distance adjustable neutron tube target structure comprises a target insulator 2, wherein the outer side of the target insulator 2 is embedded with the outlet side of a Faraday cylinder 5, and the edge of the inner side of the target insulator 2 is connected with the edge of a baffle 6 through a screw 7 and is fixed through a nut 8; a corrugated expansion pipe 4 is connected between the target pole insulator 2 and the middle of the baffle 6, the pull rod 3 is sleeved in the inner cavity of the corrugated expansion pipe 4, the fixed end of the pull rod 3 is connected with the inner side of the baffle 6, and the free end of the pull rod 3 is connected with the connecting end of the target pole 1.
The middle of the target electrode insulator 2 is provided with a hole 9, and the diameter of the hole 9 is larger than the outer diameter of the target electrode 1.
The outer diameter of the target 1 is smaller than the inner diameter of the bellows 4.
The target pole 1, the pull rod 3, the corrugated expansion pipe 4 and the Faraday cylinder 5 are coaxial.
The corrugated expansion pipe is connected with the target insulator and the baffle plate in a welding mode.
Preferably, the target insulator 2, the pull rod 3 and the baffle 6 are made of ceramic materials.
Preferably, the bellows 4 is made of aluminum material.
Preferably, the faraday cage 5 is made of stainless steel.
Preferably, the screw 7 and the nut 8 are made of alloy materials.
The invention has the beneficial effects that:
the baffle 6 can reciprocate along the axial direction by driving the corrugated expansion pipe 4 to expand and contract through adjusting the position of the nut 8 on the screw 7, so that the target 1 is driven by the pull rod 3, the distance between the target and the Faraday cylinder 5 can be adjusted, the range of the ion beam hitting the surface of the target 1 is increased, the number of ions participating in reaction is increased, the utilization rate of the target is increased, and the neutron yield is increased; has the advantages of simple structure, simple and convenient operation, practicality and high efficiency.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a three-dimensional view of the structure of the present invention.
In the figure: 1. a target pole; 2. a target insulator; 3. a pull rod; 4. a bellows; 5. a Faraday cylinder; 6. a baffle plate; 7. a screw; 8. a nut; 9. and (4) a hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a target distance adjustable neutron tube target structure comprises a target insulator 2, wherein the outer side of the target insulator 2 is embedded with the outlet side of a faraday cylinder 5, and the edge of the inner side of the target insulator 2 is connected with the edge of a baffle 6 through a screw 7 and is fixed through a nut 8; a corrugated expansion pipe 4 is connected between the target pole insulator 2 and the middle of the baffle 6, the pull rod 3 is sleeved in the inner cavity of the corrugated expansion pipe 4, the fixed end of the pull rod 3 is connected with the inner side of the baffle 6, and the free end of the pull rod 3 is connected with the connecting end of the target pole 1.
The middle of the target electrode insulator 2 is provided with a hole 9, and the diameter of the hole 9 is larger than the outer diameter of the target electrode 1.
The outer diameter of the target 1 is smaller than the inner diameter of the bellows 4.
The target pole 1, the pull rod 3, the corrugated expansion pipe 4 and the Faraday cylinder 5 are coaxial.
The corrugated expansion pipe is connected with the target insulator and the baffle plate in a welding mode.
Preferably, the target insulator 2, the pull rod 3 and the baffle 6 are made of ceramic materials, and have good insulating property.
Preferably, the corrugated expansion pipe 4 is made of aluminum material, has good flexibility and can be repeatedly expanded and contracted.
Preferably, the faraday cage 5 is made of stainless steel.
Preferably, the screw 7 and the nut 8 are made of alloy materials, so that the hardness is high and the durability is good.
The target 1 is a carrier for reaction generation, and has a function of generating neutrons on the surface of the target 1 by ions injected from the inlet side of the faraday cage 5.
The distance between the target pole 1 and the Faraday cylinder 5 is adjusted by adjusting the screw rod 7 and the nut 8 to extend or compress the corrugated expansion pipe 4 and drive the pull rod 3 to be axially actuated to push or pull the target pole 1.
The working principle of the invention is as follows:
the target 1 is a carrier for reaction generation, and has a function of generating neutrons on the surface of the target 1 by ions injected from the inlet side of the faraday cage 5.
The corrugated expansion pipe 4 is extended or compressed by adjusting the screw rod 7 and the nut 8 to drive the pull rod 3 to be axially actuated, and the target 1 is pushed or pulled, so that the distance between the target 1 and the Faraday cylinder 5 is adjusted.
The above embodiments are only for illustrating the invention and are not to be construed as limiting the invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention, therefore, all equivalent technical solutions also belong to the scope of the invention, and the scope of the invention should be defined by the claims.
Claims (8)
1. The utility model provides a neutron pipe target structure with adjustable target distance, includes target insulator (2), its characterized in that: the outer side of the target pole insulator (2) is embedded with the outlet side of the Faraday cylinder (5), and the inner side edge of the target pole insulator (2) is connected with the edge of the baffle (6) through a screw (7) and is fixed through a nut (8); a corrugated expansion pipe (4) is connected between the target pole insulator (2) and the middle of the baffle (6), the pull rod (3) is sleeved in the inner cavity of the corrugated expansion pipe (4), the fixed end of the pull rod (3) is connected with the inner side of the baffle (6), and the free end of the pull rod (3) is connected with the connecting end of the target pole (1).
2. The target structure of claim 1, wherein: a hole (9) is formed in the middle of the target electrode insulator (2), and the diameter of the hole (9) is larger than the outer diameter of the target electrode (1).
3. The target structure of claim 1, wherein: the outer diameter of the target pole (1) is smaller than the inner diameter of the corrugated telescopic pipe (4).
4. The target structure of claim 1, wherein: the target pole (1), the pull rod (3), the corrugated expansion pipe (4) and the Faraday cylinder (5) are coaxial.
5. The target structure of claim 1, wherein: the target pole insulator (2), the pull rod (3) and the baffle (6) are made of ceramic materials.
6. The target structure of claim 1, wherein: the corrugated telescopic pipe (4) is made of aluminum materials.
7. The target structure of claim 1, wherein: the Faraday cylinder (5) is made of stainless steel materials.
8. The target structure of claim 1, wherein: the screw rod (7) and the nut (8) are made of alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110361045.1A CN113099600A (en) | 2021-04-02 | 2021-04-02 | Neutron pipe target pole structure with adjustable target distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110361045.1A CN113099600A (en) | 2021-04-02 | 2021-04-02 | Neutron pipe target pole structure with adjustable target distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113099600A true CN113099600A (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110361045.1A Pending CN113099600A (en) | 2021-04-02 | 2021-04-02 | Neutron pipe target pole structure with adjustable target distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113099600A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640853A (en) * | 2021-07-16 | 2021-11-12 | 中国原子能科学研究院 | A target structure for measuring high fluence rate thermal neutron fission ionization chambers |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1161897A (en) * | 1965-08-25 | 1969-08-20 | Dresser Ind | Improvements in or relating to Static Atmosphere Ion Beam Accelerators. |
| KR20000014016A (en) * | 1998-08-17 | 2000-03-06 | 윤종용 | Adapter for vacuum response room |
| CN1329461A (en) * | 2001-04-20 | 2002-01-02 | 清华大学 | Miniature neutron tube and its production method |
| JP2006234745A (en) * | 2005-02-28 | 2006-09-07 | Nikon Corp | Device for measuring neutron conduit unit position |
| KR20090078242A (en) * | 2008-01-14 | 2009-07-17 | 주식회사 쎄크 | Target unit having a movable target and x-ray generating device having the same |
| CN101965094A (en) * | 2010-10-11 | 2011-02-02 | 长春致方达科技有限责任公司 | Spherical target ceramic neutron tube and manufacturing method thereof |
| CN104918403A (en) * | 2015-06-26 | 2015-09-16 | 中国工程物理研究院核物理与化学研究所 | Pulsed neutron generator |
| CN104966448A (en) * | 2015-07-09 | 2015-10-07 | 东北师范大学 | Radio frequency neutron tube ion source beam extraction desktop experiment table |
| CN104965217A (en) * | 2015-06-26 | 2015-10-07 | 中国工程物理研究院核物理与化学研究所 | Measuring device and method for pulsed ion beam cross section image |
| CN107567174A (en) * | 2017-08-28 | 2018-01-09 | 西安工业大学 | A kind of neutron tube |
| CN107708284A (en) * | 2017-09-11 | 2018-02-16 | 中国工程物理研究院核物理与化学研究所 | A kind of deuterium deuterium accelerator for neutron production target chamber |
-
2021
- 2021-04-02 CN CN202110361045.1A patent/CN113099600A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1161897A (en) * | 1965-08-25 | 1969-08-20 | Dresser Ind | Improvements in or relating to Static Atmosphere Ion Beam Accelerators. |
| KR20000014016A (en) * | 1998-08-17 | 2000-03-06 | 윤종용 | Adapter for vacuum response room |
| CN1329461A (en) * | 2001-04-20 | 2002-01-02 | 清华大学 | Miniature neutron tube and its production method |
| JP2006234745A (en) * | 2005-02-28 | 2006-09-07 | Nikon Corp | Device for measuring neutron conduit unit position |
| KR20090078242A (en) * | 2008-01-14 | 2009-07-17 | 주식회사 쎄크 | Target unit having a movable target and x-ray generating device having the same |
| CN101965094A (en) * | 2010-10-11 | 2011-02-02 | 长春致方达科技有限责任公司 | Spherical target ceramic neutron tube and manufacturing method thereof |
| CN104918403A (en) * | 2015-06-26 | 2015-09-16 | 中国工程物理研究院核物理与化学研究所 | Pulsed neutron generator |
| CN104965217A (en) * | 2015-06-26 | 2015-10-07 | 中国工程物理研究院核物理与化学研究所 | Measuring device and method for pulsed ion beam cross section image |
| CN104966448A (en) * | 2015-07-09 | 2015-10-07 | 东北师范大学 | Radio frequency neutron tube ion source beam extraction desktop experiment table |
| CN107567174A (en) * | 2017-08-28 | 2018-01-09 | 西安工业大学 | A kind of neutron tube |
| CN107708284A (en) * | 2017-09-11 | 2018-02-16 | 中国工程物理研究院核物理与化学研究所 | A kind of deuterium deuterium accelerator for neutron production target chamber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640853A (en) * | 2021-07-16 | 2021-11-12 | 中国原子能科学研究院 | A target structure for measuring high fluence rate thermal neutron fission ionization chambers |
| CN113640853B (en) * | 2021-07-16 | 2024-05-10 | 中国原子能科学研究院 | Target structure for measuring thermal neutron fission ionization chamber with high fluence rate |
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Application publication date: 20210709 |