CN106547011B - A kind of isotope spectral line scanning means control system - Google Patents
A kind of isotope spectral line scanning means control system Download PDFInfo
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- CN106547011B CN106547011B CN201610903301.4A CN201610903301A CN106547011B CN 106547011 B CN106547011 B CN 106547011B CN 201610903301 A CN201610903301 A CN 201610903301A CN 106547011 B CN106547011 B CN 106547011B
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- probe
- stepping motor
- isotope
- spectral line
- driving stepping
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
- G01T1/2921—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
- G01T1/2964—Scanners
Abstract
The invention belongs to Electromagnetic isotope separator technical field, and in particular to a kind of isotope spectral line scanning means control system.PLC module including being connected with display control apparatus, PLC module are connected with the isotope spectral line scanning means on the receiver for being arranged on Electromagnetic isotope separator；Isotope spectral line scanning means includes that the probe of the current signal of the ion beam after Electromagnetic isotope separator separates can be detected, probe can be made to do three-dimensional mobile mechanical transmission mechanism；PLC module can gather, record the locus signal and current signal of probe；The signal data that display control apparatus is used for the motion for showing mechanical transmission mechanism and position data, PLC module obtain, is additionally operable to input the control instruction of control machinery transmission mechanism, the operation by PLC module control machinery transmission mechanism.The control system can realize the accurate control to probe positions, ensure the certainty of measurement result；The processing and display that line in the case of realization is wider to phase is distributed.
Description
Technical field
The invention belongs to Electromagnetic isotope separator technical field, and in particular to a kind of isotope spectral line scanning means control
System.
Background technology
Electromagnetism separation method has indispensable status in isotopic separation field, and electromagnetic separation is to utilize energy phase
The ion same, quality is different radius of turn difference in transverse magnetic field realizes isotopic separation.Electromagnetic isotope separator is just
It is the equipment using the isolated isotope of electromagnetism separation method.The ion of ion beam to be separated from Electromagnetic isotope separator
Project in source, separated through the magnetic field in Electromagnetic isotope separator, then received by reception device, complete the separation work of isotope
Make.
The ion beam of isotope after Electromagnetic isotope separator separation will be collected all, it is necessary to ion beam
The cross direction profiles of beam current density on focussing plane measure, so that receiver (receives the ion beam of the isotope after separation
Device) optimal focusing surface can be directed at.Ion gun in Electromagnetic isotope separator is drawn by three electrode extraction systems
After ion beam, by magnetic core logical circuit deflection, the isotope of different quality can converge in the different spatial of focusing surface and realize separation,
The phenomenon is referred to as dispersion.Dispersion distance is bigger, is more advantageous to the separation of isotope.Spectral line scanning means exists for measuring ion beam
Separation and exposing condition after separating magnet, and for finding optimal focusing surface.So as to realize that receiver is being connect
Before receipts, the position of ion beam is corresponding with receiver to receive pocket position alignment, ensures isotope abundance.
The present invention is for controlling the motion of spectral line scanning means and signal acquisition and the control system of processing.Spectrum can be realized
Line scanning device docking collects the on-line measurement of stream spectral profile.
The content of the invention
In order to realize the measurement of the cross direction profiles of ion beam internal beam current density on focussing plane, measured using Faraday cup straight
The current density contours of a fluid stream., it is necessary to realize the position motion of Faraday cup in measurement process, line spatial distribution is measured,
And realize that the Two dimensional Distribution of measurement data is shown.So as to realize receiver before opening gear door and being received, the position of ion beam
Put and corresponding reception pocket position alignment, guarantee isotope abundance.
To achieve the above objectives, the technical solution adopted by the present invention is a kind of isotope spectral line scanning means control system,
PLC module including being connected with display control apparatus, wherein reception of the PLC module with being arranged on Electromagnetic isotope separator
Isotope spectral line scanning means on device is connected；
The isotope spectral line scanning means includes that the ion beam after the Electromagnetic isotope separator separation can be detected
Current signal probe, the probe can be made to do three-dimensional mobile mechanical transmission mechanism；
The PLC module can gather, record the locus signal of the probe and the current signal；
The display control apparatus is used for motion and position data, the PLC module for showing the mechanical transmission mechanism
The signal data of acquisition, it is additionally operable to input and controls the control instruction of the mechanical transmission mechanism, institute is controlled by the PLC module
State the operation of mechanical transmission mechanism.
Further, the isotope spectral line scanning means includes popping one's head in made of Faraday cup, and the probe can detect
The current signal of ion beam after the Electromagnetic isotope separator separation, the probe are arranged on probe plate, the probe
Plate is arranged on the framework of the receiver in the Electromagnetic isotope separator；
Also including being arranged on can make the probe plate do three-dimensional mobile mechanical transmission mechanism on the receiver, also
Including connecting the PLC module and the electronic circuit of the probe.
Further, the scope that the mechanical transmission mechanism can provide the dynamic space of triple motion of the probe plate is 240mm
× 240mm × 240mm, the three-dimensional coordinate of three-dimensional mobile space include X-axis, Y-axis, Z axis, and the probe plate can be in the framework
On do rectilinear movement with the X-axis into 43 ° of angles.
Further, the mechanical transmission mechanism includes the cunning that the framework and the probe plate can be driven to move forward and backward
Moving axis, the Driving Stepping Motor that moves forward and backward of interconnection drive stepping electricity with driving leading screw, described move forward and backward is moved forward and backward
Machine is used to control moving forward and backward for the sliding axle with driving leading screw is moved forward and backward；
Also include the pulley transmission structure and scanning probe motion leading screw interconnected；
Also include the scanning head Driving Stepping Motor being connected by power transmission shaft with the pulley transmission structure, it is described to sweep
Probe Driving Stepping Motor is retouched to be used to drive scanning probe motion leading screw to enable the probe plate to do on said frame and institute
State rectilinear movement of the X-axis into 43 ° of angles.
Further, the control instruction inputted by the display control apparatus includes：
Set the scanning head Driving Stepping Motor and the target location coordinate for moving forward and backward Driving Stepping Motor,
The speed of service, step number；
Read the scanning head Driving Stepping Motor and it is described move forward and backward the current position coordinates of Driving Stepping Motor,
The speed of service；
Control scanning head Driving Stepping Motor and the Driving Stepping Motor that moves forward and backward are moved and stopped.
Further, the motion for the mechanical transmission mechanism that the display control apparatus is shown and position data, institute
Stating the signal data of PLC module acquisition includes：
The scanning head Driving Stepping Motor and the target location coordinate for moving forward and backward Driving Stepping Motor, operation
Speed, step number；
The scanning head Driving Stepping Motor and it is described move forward and backward the current position coordinates of Driving Stepping Motor, operation
Speed；
The current signal of the ion beam, the current signal are the current value of the ion beam；
It is being formed after handling the current value, magnitude of voltage a pair with the locus signal 1 of the probe
The current density contours image answered.
Further, in addition to the scanning head Driving Stepping Motor and the Driving Stepping Motor that moves forward and backward carry out
Shielding.
Further, the scanning head Driving Stepping Motor and the shielding mode for moving forward and backward Driving Stepping Motor
For magnetic screen.
Further, the access and observing and controlling to signal are realized using aviation plug, the signal includes：The electricity of the ion beam
Flow signal, the mechanical transmission mechanism the motion and position data, the PLC module obtain the signal data, to
The control instruction that the mechanical transmission mechanism is sent.
The beneficial effects of the present invention are：
1. can be solved by controlling stepper motor to realize the accurate control to probe positions because probe positions are not smart
Caused by really the problem of the uncertainty of measurement result.
2. realize to mutually it is wider in the case of line distribution processing and display.
3. the control by magnetic screen and to step motor position, solves the magnetic field pair in Electromagnetic isotope separator
The problem of inaccurate is measured caused by the influence of stepper motor.
4. it can intuitively show the Two dimensional Distribution of the beam current density of ion beam.
(stepper motor includes " scanning head Driving Stepping Motor " and " moving forward and backward Driving Stepping Motor ").
Brief description of the drawings
Fig. 1 is the structured flowchart of the scanning means control system of isotope spectral line described in the specific embodiment of the invention；
Fig. 2 is the signal for the receiver that the isotope spectral line scanning means is provided with the specific embodiment of the invention
Figure；
Fig. 3 is the installation signal of the scanning means of isotope spectral line described in the specific embodiment of the invention on the receiver
Figure；
Fig. 4 is the section view for the receiver that the isotope spectral line scanning means is provided with the specific embodiment of the invention
Figure；
Fig. 5 is the front view of probe plate described in the specific embodiment of the invention；
Fig. 6 is the spectral line scan method schematic diagram of rubidium elemental isotope described in the specific embodiment of the invention；
Fig. 7 is that current signal caused by the ion beam of rubidium elemental isotope described in the specific embodiment of the invention is illustrated
Scheme (i.e. current density contours schematic diagram)；
In figure：1- scanning head Driving Stepping Motors, 2- pulley transmission structures, 3- scanning probes motion leading screw, 4- are slided
Moving axis, 5- move forward and backward Driving Stepping Motor, and 6- moves forward and backward driving leading screw, 7- adpting flanges, 8- frameworks, 9- drive links, 10-
Probe plate, 11- probes, 12- fixing screws, 13- vacuum-chamber walls, 14- power transmission shafts.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
The operation principle of isotope spectral line scanning means is introduced first, by taking rubidium (Rb) element as an example.Because rubidium member is known as two
Individual isotope (85Rb、87Rb), two ion beams can be produced in separation process.Z=0 mid-plane is chosen first, is being received
Device nearby has85Rb,87Two ion beams of Rb, as shown in fig. 6, P is the probe of measurement, the coordinate of initial position A points is (XA, YA),
It exports locus signal (including the position of probe by along with x-axis being moved to B (XB, YB) into the direction at 43 ° of angles at any time
Coordinate), popped one's head in moving process inswept successively85Rb,87Rb ion beams, and have signal output (the current signal signal of electric current
As shown in Figure 7).The locus signal of probe can plot current density distributing figure with the current signal received, and record storage
Deposit.After completing a surface sweeping, by the position of probe be transferred to A1, A2 ... ..An, complete a series of surface sweeping measurement, complete
After the measurement of Z=0 mid-planes, then the above-mentioned measurement of Z=-100mm~+100mm Different Planes is completed in the same way.
This completes85Rb and87The measurement of the spatial distribution of Rb ion beams, according to the spatial distribution of beam can obtain image width, height,
The data such as distance as between of shape, two.Data processing uses usual way, take at the 1/2 of peak height for beam width (see Fig. 6,
J1, J2 are respectively in figure85Rb and87The current density contours peak height of Rb ion beams), b1 is85Rb image widths, b2 are87Rb image widths, d are
The dispersion of rubidium isotope, works as b1, and b2 value is exactly focus point herein when being minimum.
A kind of isotope spectral line scanning means control system provided by the invention is (as shown in figure 1, isotope spectral line scanning dress
Put and be arranged on by adpting flange 7 on Electromagnetic isotope separator, framework 8 within vacuum-chamber wall 13 and its installed above its
He is in vacuum environment part), including the PLC module of display control apparatus is connected with, wherein, PLC module is same with being arranged on
Isotope spectral line scanning means on the receiver of the plain electromagnetic separator in position is connected；It can realize to isotope spectral line scanning means
Motion and position tracking, signal acquisition and signal transacting.
Wherein, isotope spectral line scanning means includes the electricity that can detect the ion beam after Electromagnetic isotope separator separates
Flow the probe 11 of signal, probe 11 can be made to do three-dimensional mobile mechanical transmission mechanism,
PLC module can gather, record the locus signal (including position coordinates) and current signal of probe 11；
Display control apparatus is used for motion and position data (including position coordinates), the PLC moulds for showing mechanical transmission mechanism
The signal data that block obtains, it is additionally operable to input the control instruction of control machinery transmission mechanism and by PLC module to machine driving
Mechanism sends control instruction, the operation of control machinery transmission mechanism.In this example it is shown that control device uses touch-screen,
By the location parameter (including position coordinates) of the mechanical transmission mechanism of touch-screen accurate adjustment spectral line scanning means, and accurately survey
Measure the beam parameters of ion beam.
Isotope spectral line scanning means includes probe 11 made of Faraday cup, and probe 11 can detect isotope electromagnetism point
The current signal of ion beam after being separated from device, probe 11 are arranged on probe plate 10 (as shown in Figure 5), and probe plate 10 is arranged on
On the framework 8 of receiver in Electromagnetic isotope separator (as shown in Figure 3)；
Isotope spectral line scanning means also includes setting the machine that probe plate 10 can be made to do three-dimensional movement on the receiver
Tool transmission mechanism, in addition to the electronic circuit being connected with probe 11, and the PLC module being connected with electronic circuit, PLC module energy
The current signal for the ion beam that enough collections, the locus signal of record probe 11 and the measurement of probe 11 obtain.
Mechanical transmission mechanism can provide probe plate 10 triple motion move space scope for 240mm × 240mm ×
240mm, the three-dimensional coordinate of three-dimensional mobile space include X-axis, Y-axis, Z axis, and probe plate 10 can be done with X-axis on framework 8 into 43 °
The rectilinear movement at angle.
As shown in figs 2-4, mechanical transmission mechanism includes the sliding axle that framework 8 and probe plate 10 can be driven to move forward and backward
4, moving forward and backward Driving Stepping Motor 5 and moving forward and backward for interconnection drives leading screw 6, moves forward and backward the He of Driving Stepping Motor 5
Driving leading screw 6 is moved forward and backward to be used to control moving forward and backward for sliding axle 4；
Also include the pulley transmission structure 2 and scanning probe motion leading screw 3 interconnected；
Also include the scanning head Driving Stepping Motor 1 being connected by power transmission shaft 14 with pulley transmission structure 2, scanning is visited
Head Driving Stepping Motor 1 is used to drive scanning probe motion leading screw 3 to enable probe plate 10 to do on framework 8 with X-axis into 43 ° of angles
Rectilinear movement.
Control instruction that is that display control apparatus inputs and being sent by PLC module to mechanical transmission mechanism includes：
Scanning head Driving Stepping Motor 1 is set and moves forward and backward the target location coordinate of Driving Stepping Motor 5, operation speed
Degree, step number；
Read scanning head Driving Stepping Motor 1 and move forward and backward the current position coordinates of Driving Stepping Motor 5, operation speed
Degree；
Control scanning head Driving Stepping Motor 1 and move forward and backward the motion of Driving Stepping Motor 5 and stop.
The signal data that the motion for the mechanical transmission mechanism that display control apparatus is shown and position data, PLC module obtain
Including：
Scanning head Driving Stepping Motor 1 and move forward and backward the target location coordinate of Driving Stepping Motor 5, the speed of service,
Step number；
Scanning head Driving Stepping Motor 1 and move forward and backward the current position coordinates of Driving Stepping Motor 5, the speed of service；
The current signal of ion beam, current signal are the current value of ion beam；
The locus signal (including position coordinates) one with probe 11 formed after handling current value, magnitude of voltage
Current density contours image (as shown in Figure 7) corresponding to one.
Because high-intensity magnetic field in Electromagnetic isotope separator be present, stepper motor can be had an impact (stepper motor include " sweep
Retouch probe Driving Stepping Motor " and " moving forward and backward Driving Stepping Motor "), and then influence the measurement of isotope spectral line scanning means
Effect, therefore present invention additionally comprises to scanning head Driving Stepping Motor 1 and move forward and backward Driving Stepping Motor 5 and use magnetic cup
Cover, be controlled by magnetic screen and to the position of stepper motor, solve influence of the high-intensity magnetic field to stepper motor, ensure same position
The measurement effect of plain spectral line scanning means is interference-free.(because stepper motor moves according to live wire cutting magnetic line, by force
Magnetic field can change original magnetic field size and Orientation in stepper motor, prevent stepper motor from running well.Magnetic screen can be kept away
Exempt from external magnetic line and ensure stepper motor normal work into stepper motor；The position of stepper motor and electromagnet is controlled, can
Make stepper motor faint to the position work for being not enough to produce interference in magnetic field.)
Isotope spectral line scanning means control system provided by the present invention realizes the access to signal using aviation plug
And observing and controlling, the signal include：The motion of the current signal, mechanical transmission mechanism of ion beam and position data, PLC module obtain
Signal data, control instruction etc. for being sent to mechanical transmission mechanism.
Device of the present invention is not limited to the embodiment described in embodiment, those skilled in the art according to
Technical scheme draws other embodiments, also belongs to the technological innovation scope of the present invention.
Claims (7)
1. a kind of isotope spectral line scanning means control system, including the PLC module of display control apparatus is connected with, its feature
It is：
The PLC module is connected with the isotope spectral line scanning means on the receiver for being arranged on Electromagnetic isotope separator；
The isotope spectral line scanning means includes the electricity that can detect the ion beam after the Electromagnetic isotope separator separates
Flow the probe (11) of signal, the probe (11) can be made to do three-dimensional mobile mechanical transmission mechanism；
The PLC module can gather, record the locus signal of the probe (11) and the current signal；
The display control apparatus is used for the motion for showing the mechanical transmission mechanism and position data, the PLC module obtain
Signal data, be additionally operable to input and control the control instruction of the mechanical transmission mechanism, the machine is controlled by the PLC module
The operation of tool transmission mechanism；
The isotope spectral line scanning means includes probe (11) made of Faraday cup, and the probe (11) can detect described
The current signal of ion beam after Electromagnetic isotope separator separation, the probe (11) is arranged on probe plate (10), described
Probe plate (10) is arranged on the framework (8) of the receiver in the Electromagnetic isotope separator；
Also including being arranged on can make the probe plate (10) do three-dimensional mobile mechanical transmission mechanism on the receiver, also
Including connecting the PLC module and the electronic circuit of the probe (11)；
The scope that the mechanical transmission mechanism can provide the three-dimensional mobile space of the probe plate (10) is 240mm × 240mm
× 240mm, the three-dimensional coordinate of three-dimensional mobile space include X-axis, Y-axis, Z axis, and the probe plate (10) can be in the framework (8)
On do rectilinear movement with the X-axis into 43 ° of angles.
2. isotope spectral line scanning means control system as claimed in claim 1, it is characterized in that：
The mechanical transmission mechanism includes that the framework (8) and the sliding axle that plate (10) moves forward and backward of popping one's head in can be driven
(4), interconnection move forward and backward Driving Stepping Motor (5) and move forward and backward driving leading screw (6), it is described move forward and backward driving step
Stepper motor (5) and move forward and backward driving leading screw (6) be used for control moving forward and backward for the sliding axle (4)；
Also include the pulley transmission structure (2) and scanning probe motion leading screw (3) interconnected；
Also include the scanning head Driving Stepping Motor (1) being connected by power transmission shaft (14) with the pulley transmission structure (2),
The scanning head Driving Stepping Motor (1), which is used to driving scanning probe to move leading screw (3), makes the probe plate (10) can be
The rectilinear movement with the X-axis into 43 ° of angles is done on the framework (8).
3. isotope spectral line scanning means control system as claimed in claim 2, it is characterized in that, set by the display control
The control instruction of standby input includes：
The scanning head Driving Stepping Motor (1) and the target location for moving forward and backward Driving Stepping Motor (5) is set to sit
Mark, the speed of service, step number；
Read the scanning head Driving Stepping Motor (1) and the current position of Driving Stepping Motor (5) that moves forward and backward is sat
Mark, the speed of service；
Control scanning head Driving Stepping Motor (1) and the Driving Stepping Motor (5) that moves forward and backward are moved and stopped.
4. isotope spectral line scanning means control system as claimed in claim 2, it is characterized in that, the display control apparatus shows
The signal data that the motion of the mechanical transmission mechanism shown and position data, the PLC module obtain includes：
The scanning head Driving Stepping Motor (1) and the target location coordinate for moving forward and backward Driving Stepping Motor (5), fortune
Scanning frequency degree, step number；
The scanning head Driving Stepping Motor (1) and it is described move forward and backward the current position coordinates of Driving Stepping Motor (5), fortune
Scanning frequency degree；
The current signal of the ion beam, the current signal are the current value of the ion beam；
A pair of the locus signal 1 with the probe (11) formed after handling the current value, magnitude of voltage
The current density contours image answered.
5. isotope spectral line scanning means control system as claimed in claim 2, it is characterized in that：Also include visiting the scanning
Head Driving Stepping Motor (1) and the Driving Stepping Motor (5) that moves forward and backward are shielded.
6. isotope spectral line scanning means control system as claimed in claim 5, it is characterized in that：The scanning head driving step
Stepper motor (1) and the shielding mode for moving forward and backward Driving Stepping Motor (5) are magnetic screen.
7. isotope spectral line scanning means control system as claimed in claim 1, it is characterized in that, use aviation plug realization pair
The access and observing and controlling of signal, the signal include：The motion of the current signal of the ion beam, the mechanical transmission mechanism
The signal data obtained with position data, the PLC module, the control sent to the mechanical transmission mechanism refer to
Order.
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| CN201610903301.4A CN106547011B (en) | 2016-10-18 | 2016-10-18 | A kind of isotope spectral line scanning means control system |
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| CN201610903301.4A CN106547011B (en) | 2016-10-18 | 2016-10-18 | A kind of isotope spectral line scanning means control system |
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| CN106547011B true CN106547011B (en) | 2017-11-21 |
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| CN109709887A (en) * | 2018-12-25 | 2019-05-03 | 中国原子能科学研究院 | Control system for Electromagnetic isotope separator |
| CN111913209B (en) * | 2020-08-13 | 2023-03-07 | 中国原子能科学研究院 | Ray beam energy measuring system and method for measuring ray beam energy |
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