CN206061268U - A kind of cyclotron injection line deflecting plates and center zone device - Google Patents
A kind of cyclotron injection line deflecting plates and center zone device Download PDFInfo
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- CN206061268U CN206061268U CN201620820648.8U CN201620820648U CN206061268U CN 206061268 U CN206061268 U CN 206061268U CN 201620820648 U CN201620820648 U CN 201620820648U CN 206061268 U CN206061268 U CN 206061268U
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- deflecting plates
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- spiral
- cyclotron
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Abstract
This utility model belongs to cyclotron designing technique, and in particular to a kind of cyclotron injection line deflecting plates and center zone device.Its structure includes center ring flange; spiral deflecting plates is provided with the middle part of the ring flange of center; described spiral deflecting plates and its support member are fixed on the center ring flange by High-Voltage Insulation ceramics pole; the line diaphragm for preventing spuious line from bombarding spiral deflecting plates is provided with above described spiral deflecting plates, outside described High-Voltage Insulation ceramics pole, High-Voltage Insulation protective cover is provided with.The device can be realized the beam bending of vertical injection to horizontal acceleration orbit by spiral deflecting plates, and by the protection of two grades of line diaphragms, is prevented spuious line bombardment deflecting plates, made center steady operation.
Description
Technical field
This utility model belongs to cyclotron designing technique, and in particular to a kind of cyclotron injects line deflecting plates
With center zone device.
Background technology
In compact can high intensity cyclotron be one of main development direction of cyclotron in recent years, this convolution
Accelerator typically adopts axially mounted external ion source, deflects panel assembly by the beam bending of vertical injection to water by spiral
Square to entering center, line enters accelerator track after the matching of accelerating phase in center, injection deflecting plates with
Center is to determine one of key device of compact high intensity cyclotron performance indications.Currently used for the same position of medical radioactive
The cyclotron of element production mainly has two classes, and the first kind is that the small-sized convolution of mental retardation for producing short-lived radioisotope accelerates
Device, this kind of compact cyclotron adopt the inner ion source both can be with due to strong not high, the generally less than 100uA of the stream for needing
Meet and require, this kind of accelerator ion source is arranged on the center of cyclotron, the line drawn from ion source directly exists
Convolution track is entered in the presence of high frequency voltage, it is not necessary to deflect panel assembly.Equations of The Second Kind is the same position of production median life radioactivity
The high intensity cyclotron of element, this kind of accelerator are larger due to the beam intensity for needing, generally higher than 200uA, need using peace
It is mounted in the high current ion source outside accelerator and produces stronger ion beam current, the ion beam vertical injection that external ion source is produced is arrived
The centre of accelerator, deflects to horizontal direction by spiral type deflecting plates, carries out Selecting phasing then into center
And accelerated in the presence of high frequency voltage, former circle particular importances that line accelerates in center convolution, general injection
Beam loss of the direct current beam in center can reach 90%, and center is the key device for determining cyclotron overall performance
One of.
The injection deflecting plates of compact high intensity cyclotron is arranged in the center air gap of narrow space with center,
Need to consider the factor of each side such as magnetic field, high-frequency electric field, high-voltage electrostatic field, vacuum, heat transfer, and the stray beam by injecting
The impact of stream, injection deflecting plates and center part are easily struck sparks, and cause which to be unable to steady operation.Therefore develop it is a set of can
The deflecting plates of reliable and stable work is extremely important to the whole machine of accelerator with center zone device.
Utility model content
The purpose of this utility model be in order to solve the cyclotron of axial injection line line injection deflection with
Beam loss present in the accelerator of center and caused center are unable to the problem of steady operation, there is provided one kind stably may be used
The injection line deflecting plates of the cyclotron for leaning on and center zone device.
The technical solution of the utility model is as follows：A kind of cyclotron injection line deflecting plates and center zone device, bag
Center ring flange is included, spiral deflecting plates, described spiral deflecting plates and its supporting part are provided with the middle part of the ring flange of center
Part is fixed on the center ring flange by High-Voltage Insulation ceramics pole, wherein, it is provided with above described spiral deflecting plates
For preventing spuious line from bombarding the line diaphragm of spiral deflecting plates.
Further, cyclotron injection line deflecting plates as above and center zone device, wherein, described line
Diaphragm is divided into two-stage, and one-level line diaphragm is arranged on top, filters a part for stray beam is flow through；Two grades of line diaphragms set
Put in the lower section of one-level line diaphragm, for by beam cross section card squarely.
Further, cyclotron injection line deflecting plates as above and center zone device, wherein, described spiral
Deflecting plates is made up of the positive or negative high voltage electrode of a pair of spiral cambers, and the electric field of spiral inclination is formed between electrode, and the line of injection exists
Horizontal direction is deflected to from vertical direction in tilting electric field, in the acceleration orbit formed then into center ring flange.
Further, cyclotron injection line deflecting plates as above and center zone device, wherein, the spiral is inclined
The positive and negative electrode of flap connects bottom electrode support member and upper electrode support respectively, and the bottom electrode support member and Top electrode are supported
Positive negative high-voltage is conducted to the positive and negative electrode of spiral deflecting plates by part respectively.
Further, cyclotron as above injection line deflecting plates and center zone device, wherein, it is described under
Electrode supporting piece and upper electrode support are connected with high voltage support base respectively, and the high voltage support base is made pottery by High-Voltage Insulation
Porcelain knob is connected with the center ring flange.
Further, cyclotron injection line deflecting plates as above and center zone device, wherein, described high pressure
High-Voltage Insulation protective cover is provided with outside insulating ceramics post.
Further, cyclotron injection line deflecting plates as above and center zone device, wherein, described height
Pressure insulating protective cover includes in High-Voltage Insulation protective cover under protective cover and High-Voltage Insulation, in the High-Voltage Insulation protective cover with it is described
Center ring flange connection, under the High-Voltage Insulation, protective cover is connected with the high voltage support base.
The beneficial effects of the utility model are as follows：A kind of line injection deflection of cyclotron that this utility model is provided
Ban Yu centers zone device, can be realized the beam bending of vertical injection to horizontal acceleration orbit by spiral deflecting plates, and
By the protection of two grades of line diaphragms, spuious line bombardment deflecting plates is prevented, center steady operation is made.Specially designed high pressure
Seal, can avoid High-Voltage Insulation terminal from being contaminated.The device is arranged on narrow and small sky inside compact cyclotron
Between center, the output beam intensity of cyclotron can be made to be up to 1mA.
Description of the drawings
Fig. 1 is the structural representation that cyclotron injects line deflecting plates and center zone device；
Fig. 2 is injection line spiral deflecting plates electrode structure schematic diagram.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is described in detail.
A kind of cyclotron injection deflecting plates and center zone device, main building block is as shown in figure 1, main by one-level
Line diaphragm 1, two grades of line diaphragms 2, spiral deflecting plates 3, the bottom electrode support member 4 of deflecting plates, center ring flange 5, deflection
The upper electrode support 6 of plate, protective cover 7 in High-Voltage Insulation, High-Voltage Insulation ceramics pole 8, protective cover 9 under High-Voltage Insulation, high voltage
Support base 10 is constituted.
The middle part of 3 centrally disposed area's ring flange 5 of the spiral deflecting plates, spiral deflecting plates 3 and its support member pass through
High-Voltage Insulation ceramics pole 8 is fixed on the center ring flange 5.As shown in Fig. 2 spiral deflecting plates 3 is by a pair of spiral cambers
Positive or negative high voltage electrode composition, the electric field of spiral inclination is formed between electrode, the line of injection is in tilting electric field from vertical direction
Horizontal direction is deflected to, in the acceleration orbit formed then into center ring flange 5.
The line diaphragm for preventing spuious line from bombarding spiral deflecting plates is provided with the top of spiral deflecting plates 3.This reality
Be divided into two-stage with new line diaphragm, one-level line diaphragm 1 is arranged on top, one is filtered for first flowing through stray beam
Point；Two grades of line diaphragms 2 are arranged on the lower section of one-level line diaphragm 1, for by beam cross section card squarely.
The support member of spiral deflecting plates 3 includes bottom electrode support member 4 and upper electrode support 6, and spiral deflecting plates 3 is just
Negative electrode connects 6 points of bottom electrode support member 4 and upper electrode support 6, the bottom electrode support member 4 and upper electrode support respectively
Positive negative high-voltage is not conducted to the positive and negative electrode of spiral deflecting plates.Bottom electrode support member 4 and upper electrode support 6 respectively with height
Voltage support seat 10 connects, the lower section of 10 centrally disposed area's ring flange 5 of the high voltage support base, and high voltage support base 10 leads to
Cross high pressure insulating ceramics post 8 to be connected with the center ring flange 5.
In order to avoid High-Voltage Insulation terminal is contaminated, this utility model arranges protection outside High-Voltage Insulation ceramics pole 8
Cover, including protective cover 9 under protective cover in High-Voltage Insulation 7 and High-Voltage Insulation, in the High-Voltage Insulation, to be fixed on high pressure exhausted for protective cover 7
8 upper end of edge ceramics pole, and be connected with the center ring flange 5, under the High-Voltage Insulation, protective cover is fixed on High-Voltage Insulation pottery
8 lower end of porcelain knob, and be connected with the high voltage support base 10.In High-Voltage Insulation under protective cover 7 and High-Voltage Insulation between protective cover 9
Leave one section of annular gap.
During work, injected from top by the ion beam current that outside high current ion source is produced, first pass around one-level line diaphragm
1, stray beam is flow through and filters a part；The ion beam current being then injected into passes through two grades of line diaphragms 2, by beam cross section card into side
Shape, is then injected in spiral deflecting plates 3.Spiral deflecting plates 3 is made up of the positive or negative high voltage electrode of a pair of spiral cambers, electrode
Between form the electric field of spiral inclination, the line of injection deflects to horizontal direction from vertical direction in tilting electric field, subsequently into
In the acceleration orbit formed to center ring flange 5.The bottom electrode support member 4 of deflecting plates and the upper electrode support 6 of deflecting plates
Respectively positive negative high-voltage is conducted to the positive and negative electrode of spiral deflecting plates 3, while playing support to 3 positive and negative electrode of spiral deflecting plates
Effect.Spiral deflecting plates 3 and its support part are fixed on center ring flange 5 by High-Voltage Insulation ceramics pole 8, and high pressure is exhausted
On edge, protective cover 7 adopts red copper material with lower protective cover 9, can protect High-Voltage Insulation ceramics pole 8 from pollutant such as oil vapours
Pollution such that it is able to ensure that its insulating properties keeps good performance in the run duration of decades.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this practicality to this utility model
New spirit and scope.So, if belonging to this utility model claim to these modifications of the present utility model and modification
And its within the scope of equivalent technology, then this utility model is also intended to comprising these changes and modification.
Claims (7)
1. a kind of cyclotron injects line deflecting plates and center zone device, including center ring flange (5), in center method
Spiral deflecting plates (3) is provided with the middle part of blue disk (5), described spiral deflecting plates (3) and its support member are made pottery by High-Voltage Insulation
Porcelain knob (8) is fixed on the center ring flange (5), it is characterised in that：Use is provided with above described spiral deflecting plates (3)
In the line diaphragm for preventing spuious line from bombarding spiral deflecting plates.
2. cyclotron as claimed in claim 1 injects line deflecting plates and center zone device, it is characterised in that：Described
Line diaphragm is divided into two-stage, and one-level line diaphragm (1) is arranged on top, filters a part for stray beam is flow through；Two grades of beams
Streamer door screen (2) is arranged on the lower section of one-level line diaphragm (1), for by beam cross section card squarely.
3. cyclotron as claimed in claim 1 or 2 injects line deflecting plates and center zone device, it is characterised in that：Institute
The spiral deflecting plates (3) stated is made up of the positive or negative high voltage electrode of a pair of spiral cambers, and the electric field of spiral inclination, note are formed between electrode
The line for entering deflects to horizontal direction from vertical direction in tilting electric field, then into the acceleration that center ring flange is formed
In track.
4. cyclotron as claimed in claim 1 or 2 injects line deflecting plates and center zone device, it is characterised in that：Institute
The positive and negative electrode for stating spiral deflecting plates (3) connects bottom electrode support member (4) and upper electrode support (6), the bottom electrode respectively
Positive negative high-voltage is conducted to the positive and negative electrode of spiral deflecting plates (3) by support member (4) and upper electrode support (6) respectively.
5. cyclotron as claimed in claim 4 injects line deflecting plates and center zone device, it is characterised in that：Described
Bottom electrode support member (4) and upper electrode support (6) are connected with high voltage support base (10) respectively, the high voltage support base
(10) it is connected with the center ring flange (5) by High-Voltage Insulation ceramics pole (8).
6. cyclotron as claimed in claim 5 injects line deflecting plates and center zone device, it is characterised in that：Described
High-Voltage Insulation protective cover is provided with outside High-Voltage Insulation ceramics pole (8).
7. cyclotron as claimed in claim 6 injects line deflecting plates and center zone device, it is characterised in that：Described
High-Voltage Insulation protective cover includes protective cover (9) under protective cover in High-Voltage Insulation (7) and High-Voltage Insulation, protects in the High-Voltage Insulation
Cover (7) is connected with the center ring flange (5), protective cover (9) and the high voltage support base (10) under the High-Voltage Insulation
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620820648.8U CN206061268U (en) | 2016-07-29 | 2016-07-29 | A kind of cyclotron injection line deflecting plates and center zone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620820648.8U CN206061268U (en) | 2016-07-29 | 2016-07-29 | A kind of cyclotron injection line deflecting plates and center zone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206061268U true CN206061268U (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620820648.8U Active CN206061268U (en) | 2016-07-29 | 2016-07-29 | A kind of cyclotron injection line deflecting plates and center zone device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106132068A (en) * | 2016-07-29 | 2016-11-16 | 中国原子能科学研究院 | A kind of cyclotron injects line deflecting plates and center device |
| CN109089373A (en) * | 2018-07-13 | 2018-12-25 | 中国原子能科学研究院 | For weakening influence method of the high-frequency signal to ion source |
| CN109157760A (en) * | 2018-08-07 | 2019-01-08 | 中国原子能科学研究院 | For the rotary line arresting gear in medical device |
-
2016
- 2016-07-29 CN CN201620820648.8U patent/CN206061268U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106132068A (en) * | 2016-07-29 | 2016-11-16 | 中国原子能科学研究院 | A kind of cyclotron injects line deflecting plates and center device |
| CN109089373A (en) * | 2018-07-13 | 2018-12-25 | 中国原子能科学研究院 | For weakening influence method of the high-frequency signal to ion source |
| CN109157760A (en) * | 2018-08-07 | 2019-01-08 | 中国原子能科学研究院 | For the rotary line arresting gear in medical device |
| CN109157760B (en) * | 2018-08-07 | 2019-12-24 | 中国原子能科学研究院 | Rotary beam arresting device for medical device |
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