CN102933019B - Simulation target system in a kind of cyclotron target chamber - Google Patents
Simulation target system in a kind of cyclotron target chamber Download PDFInfo
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- CN102933019B CN102933019B CN201110228912.0A CN201110228912A CN102933019B CN 102933019 B CN102933019 B CN 102933019B CN 201110228912 A CN201110228912 A CN 201110228912A CN 102933019 B CN102933019 B CN 102933019B
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- target system
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- control box
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Abstract
The present invention relates to simulation target system in a kind of cyclotron target chamber, comprise target system, vacuum pump, electromagnetically operated valve, measuring gage, vacuum control instrument, control box, control system, encoder, display screen, described vacuum pump connects target system, described electromagnetically operated valve, measuring gage is successively set between target system and vacuum pump, described vacuum control instrument is connected electromagnetic valve and measuring gage respectively, the break-make of the vacuum state Controlling solenoid valve of the target system recorded according to measuring gage, described target system is by slotted line connection control box, described control box connection control system, described control system connects vacuum control instrument respectively, encoder and display screen.Compared with prior art, the present invention have simply, the advantage such as convenient, accurate.
Description
Technical field
The present invention relates to a kind of simulation target system, especially relate to simulation target system in a kind of cyclotron target chamber.
Background technology
Target system has been nuclear reaction and has produced the device of positron radionuclide, and the particle beams, by after selective extraction carbon film, enters corresponding target chamber from cyclotron stream outlet, utilizes corresponding and response spectrum to bombard target atom core and obtains specific positron radionuclide.Can be applicable to the aspects such as radiopharmaceutical production, material irradiation analysis, irradiation experiment.
At present, because accelerator does not have target system, the performance of accelerator on bunch cannot be verified.
Summary of the invention
Object of the present invention be exactly provide a kind of simple to overcome defect that above-mentioned prior art exists, convenient, simulation target system in cyclotron target chamber accurately.
Object of the present invention can be achieved through the following technical solutions: simulation target system in a kind of cyclotron target chamber, it is characterized in that, comprise target system, vacuum pump, electromagnetically operated valve, measuring gage, vacuum control instrument, control box, control system, encoder, display screen, described vacuum pump connects target system, described electromagnetically operated valve, measuring gage is successively set between target system and vacuum pump, described vacuum control instrument is connected electromagnetic valve and measuring gage respectively, the break-make of the vacuum state Controlling solenoid valve of the target system recorded according to measuring gage, described target system is by slotted line connection control box, described control box connection control system, described control system connects vacuum control instrument respectively, encoder and display screen.
Described target system comprises bunch outlet valve, target collimater, dead ring, target, cooling device, described target collimater connects bunch outlet valve and dead ring, after described target is arranged on dead ring, cyclotron is penetrated the bunch come and is controlled to enter target system by bunch outlet valve, described cooling device comprises water stop and water circulating pipe, described water circulation pipe connects water stop, target, target collimater successively, then returns water stop.
The conical beam current tube that described target collimater inside is, outlet 10mm, can bear 20kg/cm between the inwall of target collimater and outer wall
2cooling water.
Described target collimater is by the 7# terminal of slotted line connection control box, and described target is by the 8# terminal of slotted line connection control box.
Described slotted line is 50OHMS coaxial cable.
Described target can bear the line bombardment of 400uA, and target body has cooling circuit, and can bear 20kg/cm
2cooling water.
Described vacuum pump makes the vacuum degree of target system reach 2 × 10
-2mbar.
Described electromagnetically operated valve, measuring gage connect display respectively.
Compared with prior art, the present invention's design meets all requirements of target system, meets the various conditions of normal need of production, can long-term work.
Accompanying drawing explanation
Fig. 1 is present system partial structurtes schematic diagrames;
Fig. 2 is present system another part structural representation.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
According to designing requirement, equipment is installed, and finally debug.
Target parameter is as follows:
Target system vacuum: 2 × 10
-2mbar
Connect bunch final vacuum: 1.9 × 10
-6mbar
Hydraulic pressure: 20kg/cm
2
Water resistance rate: 0.4uS/cm
Air pressure: 5kg
Line on target: 355uA
Computer is connected working properly with target line
Integral status meets designing requirement completely.
As shown in Figure 1, simulation target system in a kind of cyclotron target chamber, comprises target system, vacuum pump 8, electromagnetically operated valve 6, measuring gage 7, vacuum control instrument 14, control box 10, control system 11, encoder 12, display screen 13,
Described target system comprises bunch outlet valve 2, target collimater 3, dead ring 4, target 5, cooling device, described target collimater 3 connects bunch outlet valve 2 and dead ring 4, after described target is arranged on dead ring, the bunch 1 come controls to enter target system line by bunch outlet valve 2 penetrated by cyclotron, described cooling device comprises water stop 9 and water circulating pipe 15, described water circulation pipe 15 connects water stop 9, target 5, target collimater 3 successively, then returns water stop 9.
Described vacuum pump connects target system, described electromagnetically operated valve 6, measuring gage 7 are successively set between target system and vacuum pump, described vacuum control instrument 14 is connected electromagnetic valve 6 and measuring gage 7 respectively, the break-make of the vacuum state Controlling solenoid valve of the target system recorded according to measuring gage, described target system is by slotted line connection control box, target collimater 3 is by the 7# terminal 17 of slotted line 16 connection control box, and described target 5 is by the 8# terminal 18 of slotted line 16 connection control box.Described control box 10 connection control system 11, described control system 11 connects vacuum control instrument 14, encoder 12 and display screen 13 respectively.
Wherein:
Target collimater 3: require to connect bunch outlet conduit and dead ring, the conical beam current tube that inside is, outlet 10mm; 20kg/cm can be born between inside and outside wall
2cooling water.In target collimater, beam monitoring is transported to the 7# terminal of control box by 50OHMS coaxial cable, through control system (Siemens S5-135PLC system) conversion, and finally reflects on computer screen.
Dead ring 4: the insulation of isolation target collimater and solid target
Target 5: target body designing requirement can bear the line bombardment of 400uA, and target body has cooling circuit, and can bear 20kg/cm
2cooling water.Beam monitoring on target is transported to the 8# terminal of control box by 50OHMS coaxial cable, through PLC system (Siemens S5-135) conversion, and finally reflects on computer screen.
Vacuum pump 8: can ensure that target system is in vacuum state, after being connected with 2.1# bunch, overall vacuum can reach 2 × 10
-6mbar.
Measuring gage 7, vacuum control instrument 14: measure target system vacuum degree, and according to the break-make of vacuum state Controlling solenoid valve.
Electromagnetically operated valve 6: the valve controlled according to the signal transmitted.For the connection of vacuum pump and vacuum line, the switch of valve, the break-make etc. in gas circuit, water route.
Cooling water: the deionized water requiring resistivity < 10uS/cm.The water station of target system needs a water tank storing deionized water, and a drum filling yin and yang resin, one can reach 20kg/cm
2high-pressure hydraulic pump, probe and a display instrument measuring water resistance rate, a water flow relay, and need some energy to support radiation-resistant water pipe.
Source of the gas; Be mainly compressed air, for the switch of pump valve.And controlled by 5/2 valve.Some energy are needed to support radiation-resistant tracheae in addition.
Control system: whole control system requires to integrate with the control system of accelerator main frame, add new control module in software and be used for controlling target system, power supply and display screen, encoder just can use the equipment of main frame.
Claims (3)
1. simulation target system in a cyclotron target chamber, it is characterized in that, comprise target system, vacuum pump, electromagnetically operated valve, measuring gage, vacuum control instrument, control box, control system, encoder, display screen, described vacuum pump connects target system, described electromagnetically operated valve, measuring gage is successively set between target system and vacuum pump, described vacuum control instrument is connected electromagnetic valve and measuring gage respectively, the break-make of the vacuum state Controlling solenoid valve of the target system recorded according to measuring gage, described target system is by slotted line connection control box, described control box connection control system, described control system connects vacuum control instrument respectively, encoder and display screen,
Described target system comprises bunch outlet valve, target collimater, dead ring, target, cooling device, described target collimater connects bunch outlet valve and dead ring, after described target is arranged on dead ring, cyclotron is penetrated the bunch come and is entered target system by bunch outlet valve, described cooling device comprises water stop and water circulating pipe, described water circulation pipe connects water stop, target, target collimater successively, then returns water stop;
The inside of described target collimater is a conical beam current tube, outlet diameter 10mm, and target can bear the line bombardment of 400uA, and target body has cooling circuit, and can bear 20kg/cm between its inwall and outer wall
2cooling water; Described vacuum pump makes the vacuum degree of target system reach 2 × 10
-2mbar.
2. simulation target system in a kind of cyclotron target chamber according to claim 1, is characterized in that, described target collimater is by the 7# terminal of slotted line connection control box, and described target is by the 8# terminal of slotted line connection control box.
3. simulation target system in a kind of cyclotron target chamber according to claim 1, it is characterized in that, described electromagnetically operated valve, measuring gage connect display respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110228912.0A CN102933019B (en) | 2011-08-10 | 2011-08-10 | Simulation target system in a kind of cyclotron target chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110228912.0A CN102933019B (en) | 2011-08-10 | 2011-08-10 | Simulation target system in a kind of cyclotron target chamber |
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| Publication Number | Publication Date |
|---|---|
| CN102933019A CN102933019A (en) | 2013-02-13 |
| CN102933019B true CN102933019B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110228912.0A Active CN102933019B (en) | 2011-08-10 | 2011-08-10 | Simulation target system in a kind of cyclotron target chamber |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201832750A (en) * | 2017-03-02 | 2018-09-16 | 美商５１１製藥公司 | Radiopharmaceutical labeling device |
| CN109392232A (en) * | 2017-08-08 | 2019-02-26 | 上海卓亚医疗科技有限公司 | A kind of electron linear accelerator of quick obtaining vacuum |
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| DE102009017648A1 (en) * | 2009-04-16 | 2010-10-21 | Siemens Aktiengesellschaft | Gas injection system and method for operating a gas injection system, in particular for a particle therapy system |
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|---|---|
| CN102933019A (en) | 2013-02-13 |
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