CN106842075A - A kind of Measurement and Control System - Google Patents
A kind of Measurement and Control System Download PDFInfo
- Publication number
- CN106842075A CN106842075A CN201710228488.7A CN201710228488A CN106842075A CN 106842075 A CN106842075 A CN 106842075A CN 201710228488 A CN201710228488 A CN 201710228488A CN 106842075 A CN106842075 A CN 106842075A
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- measurement
- platform
- servomotor
- feeler lever
- measuring
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- 238000005259 measurement Methods 0.000 title claims abstract description 67
- 230000033001 locomotion Effects 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims description 14
- 230000011664 signaling Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 244000273618 Sphenoclea zeylanica Species 0.000 claims description 3
- 239000002657 fibrous material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
- G01R33/0041—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration using feed-back or modulation techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of Measurement and Control System, the mechanical platform of the system is mainly a coordinates platform for two dimension, including three parts：Calibration support section, datum level and two-dimensional coordinate platform.The measuring table for being includes：Measurement device, servo-driver, two servomotors, motor motion control card, two sets of grating scales and industrial computers.Present system uses rectangular co-ordinate measurement pattern, can be not only used for the magnetic-field measurement of medical PET cyclotrons, it is also possible to the magnetic-field measurement of the other kinds of calutron such as two pole iron, undulator, is a general multipurpose high accuracy magnetic-field measurement platform.
Description
Technical field
The invention belongs to Technology of Precision Measurement field, more particularly, to a kind of Measurement and Control System.
Background technology
High intensity cyclotron is not only the visual plant of national defence basic research, also has wide answering in civil area
With, particularly producing short-lived radioisotope in medical domain and diagnosed for PET, cyclotron plays miscellaneous equipment not
The effect that can replace.Medical PET cyclotrons are a kind of important cyclotrons, relative to traditional deep valley type magnet knot
For the design of structure and outer ion gun, its structure is compacter, and manufacture and operating cost can also be reduced.
Magnetic field measurement system is the key equipment that cyclotron is developed.Using returning for polar coordinates CMF measuring system
The rotation general energy of accelerator is higher, and magnetic pole gap is than larger, it is most important that, they all use outer ion gun, therefore its
Mounting hole is all left in main magnet upper magnetic pole center for outer ion gun, and this hole just can be used to install magnetic in the magnetic-field measurement stage
The centre rotational axis of field measurement system.The corresponding engineering experience of magnetic field measurement system of polar coordinates structure is more, and technology is more ripe.
But according to the design feature of medical PET cyclotrons, during narrow space cannot provide polar coordinate measurement in main magnet
Axis hole.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of Measurement and Control System, by straight
Angular coordinate measurement pattern replaces traditional polar coordinate measurement pattern.Thus medical PET cyclotrons master in the prior art is solved
Narrow space cannot provide the technical problem of the central axis hole of polar coordinate measurement in magnet.
To achieve the above object, according to one aspect of the present invention, there is provided a kind of Measurement and Control System, including：Machinery
Platform and measuring table；
The mechanical platform is disposed with calibration support section, datum level, the first platform, the second platform from the bottom up,
And feeler lever bearing on second platform and the feeler lever of feeler lever bearing connection, installed in the feeler lever
The measuring probe of end, wherein, first platform is arranged in X direction, and second platform is arranged along Y-direction, described first
Platform includes the first servomotor, the first guide rail and the first ball-screw, and second platform includes the second servomotor, the
Two guide rails and the second ball-screw；
The measuring table includes：Measurement device, servo-driver, the first servomotor, the second servomotor, motor fortune
Dynamic control card, two sets grating scales and industrial computer, wherein, two sets of grating scales be separately mounted to first guide rail and
On second guide rail；
The industrial computer, for according to measurement strategies, by servo described in the motor motion control card control
The servomotor of driver drives first and the second servomotor are moved, to drive first ball-screw with second ball
Leading screw action changes the position of the measuring probe；
Two sets of grating scales, the position signalling for obtaining the measuring probe, and the position signalling is fed back to
The motor motion control card, forms closed-loop control；
The measurement device is connected with the industrial computer, the magnetic field value for measuring measuring probe position,
And the magnetic field value that will be measured feeds back to the industrial computer.
Preferably, the measurement strategies are：
The measuring table carries out point-to-point measurement using rectangular co-ordinate measurement pattern, and the second servomotor drives feeler lever along Y
Direction pointwise completes the measurement of straight line, and then by feeler lever correcting action, the first servomotor drives the second platform along X
A measurement step pitch is moved in direction, and then the second servomotor drives feeler lever to be moved along Y-direction, completes the survey of lower straight line
Amount, so repeatedly, until completing the measurement of whole field region.
Preferably, the calibration support section includes multiple adjustable for height jack.
Preferably, the feeler lever is using unilateral cantilever structure, and the feeler lever is to use the hollow stem of fibrous material.
Preferably, the datum level selects grouan material.
In general, there is following skill compared with prior art, mainly by the contemplated above technical scheme of the present invention
Art advantage：
(1) device can be not only used for the magnetic-field measurement of medical PET cyclotrons, it is also possible to two pole iron, undulator etc.
The magnetic-field measurement of other kinds of calutron, is a general multipurpose high accuracy magnetic-field measurement platform.
(2) device selects grouan material as the main body of two-dimensional coordinate platform so that magnetic field measurement system can reach
Positioning precision and more preferable repeatability higher.
(3) device does not use dual stage supporting construction, but uses unilateral support feeler lever pattern so that structure is simpler
It is compact.
(4) motion control portion of magnetic field measurement system is using motion control card, servomotor and high accuracy grating scale
Combination, ensure that measurement process quick and stable, realize full automatic magnetic-field measurement.
Brief description of the drawings
Fig. 1 is a kind of structural representation of Measurement and Control System disclosed in the embodiment of the present invention；
Fig. 2 is the mechanical platform structural representation in Measurement and Control System in the embodiment of the present invention；
Fig. 3 is the side view of the mechanical platform in the embodiment of the present invention；
Fig. 4 is the top view of the mechanical platform in the embodiment of the present invention；
Fig. 5 is the control schematic diagram of the measuring table in Measurement and Control System in the embodiment of the present invention；
In all of the figs, identical reference be used for represent identical element or structure, wherein：1- calibrates supporting part
Point, 2- datum levels, the platforms of 3- first, the platforms of 4- second, 5- feeler lever bearings, 6- feeler levers, 7- measuring probes, the servos of 8- second electricity
Machine, the ball-screws of 9- second, the guide rails of 10- second, the servomotors of 11- first, the ball-screws of 12- first, the guide rails of 13- first.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as additionally, technical characteristic involved in invention described below each implementation method
Not constituting conflict each other can just be mutually combined.
As shown in figure 1, disclosed in the embodiment of the present invention a kind of structural representation of Measurement and Control System, mechanical platform from
Under be up disposed with calibration support section 1, datum level 2, the first platform 3, the second platform 4, and installed in the second platform
On feeler lever bearing 5 and feeler lever bearing connection feeler lever 6, the measuring probe 7 installed in feeler lever end, wherein, the first platform
Arrange in X direction, the second platform is arranged along Y-direction, the first platform includes the first servomotor 11, the first guide rail 13 and first
Ball-screw 12, the second platform includes the second servomotor 8, the second guide rail 10 and the second ball-screw 9.
Measuring table includes：Measurement device, servo-driver, the first servomotor, the second servomotor, motor movement control
Fabrication, two sets of grating scales and industrial computer, wherein, two sets of grating scales are separately mounted on the first guide rail and the second guide rail；
Industrial computer, for according to measurement strategies, by motor motion control card control servo driver drives
One servomotor and the second servomotor are moved, to drive the first ball-screw and the action of the second ball-screw to change measuring probe
Position；
Two sets of grating scales, for obtaining the position signalling of measuring probe, and feed back to motor motion control by position signalling
Card, forms closed-loop control；
Measurement device is connected with industrial computer, the magnetic field value for measuring measuring probe position, and will measure
Magnetic field value feed back to the industrial computer.
Wherein, measurement strategies are：Measuring table carries out point-to-point measurement, the second servomotor using rectangular co-ordinate measurement pattern
Drive feeler lever that the measurement of straight line is completed along Y-direction pointwise, then by feeler lever correcting action, the first servomotor drives
Second platform moves a measurement step pitch in X direction, and then the second servomotor drives feeler lever to be moved along Y-direction, completes next
The measurement of bar straight line, so repeatedly, until completing the measurement of whole field region.
The mechanical platform structural representation in Measurement and Control System is illustrated in figure 2, it is flat that such as Fig. 3 and Fig. 4 is respectively machinery
The side view and top view of platform；In the mechanical platform, calibration support section employs one group of jack of adjustment height, plays
The supporting role of whole platform, it is possible to adjust the height and level of datum level；Datum level selects grouan material, can provide
One fairly precise horizontal plane；First, second motion platform is located on datum level, including X-axis platform and Y-axis platform.Often
Individual platform has a servomotor, two guide rails and a ball-screw.Y-axis platform is on X-axis platform.Feeler lever bearing is pacified
On Y-axis platform, feeler lever is using unilateral cantilever structure, and feeler lever is to use the hollow stem of fibrous material.Measuring probe is then
Installed in the end of feeler lever.X-axis platform and Y-axis platform are driven respectively by X-axis servomotor and Y-axis servomotor respectively.
Because the time of magnetic-field measurement is in general long, industrial computer can guarantee that good stability and it is long when
Between run ability；Motor motion control card is arranged in industrial computer, and servomotor is controlled by it, reads grating scale letter
Number, closed loop moving control is formed, reach high-precision positioning.Measurement device and computer Direct Communication, read measured magnetic field.
Fig. 5 gives measuring table system block diagram.The logic of measuring table operation is by close friend by industrial computer
The measurement strategies of man-machine interface recording magnetic field measurement request, then drive servomotor to move, directly by motor motion control card
Mobile position signalling is fed back to motor motion control card by line grating chi as displacement detector, forms closed-loop control, most
High-precision positioning is realized eventually, and measurement device is directly connected with industrial computer, is communicated and data exchange, and industry is used tricks
Calculation machine simultaneously record position signal and corresponding magnetic field value, so as to complete the magnetic-field measurement of whole plane.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, it is not used to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should include
Within protection scope of the present invention.
Claims (5)
1. a kind of Measurement and Control System, it is characterised in that including：Mechanical platform and measuring table；
The mechanical platform is disposed with calibration support section, datum level, the first platform, the second platform from the bottom up, and
Feeler lever bearing on second platform and the feeler lever of feeler lever bearing connection, installed in the feeler lever end
Measuring probe, wherein, first platform is arranged in X direction, second platform along Y-direction arrange, first platform
Including the first servomotor, the first guide rail and the first ball-screw, second platform includes that the second servomotor, second are led
Rail and the second ball-screw；
The measuring table includes：Measurement device, servo-driver, the first servomotor, the second servomotor, motor movement control
Fabrication, two sets of grating scales and industrial computer, wherein, two sets of grating scales be separately mounted to first guide rail with it is described
On second guide rail；
The industrial computer, for according to measurement strategies, by servo-drive described in the motor motion control card control
Device drives the first servomotor and the motion of the second servomotor, to drive first ball-screw with second ball-screw
Action changes the position of the measuring probe；
Two sets of grating scales, the position signalling for obtaining the measuring probe, and the position signalling is fed back to described
Motor motion control card, forms closed-loop control；
The measurement device is connected with the industrial computer, the magnetic field value for measuring measuring probe position, and will
The magnetic field value for measuring feeds back to the industrial computer.
2. system according to claim 1, it is characterised in that the measurement strategies are：
The measuring table carries out point-to-point measurement using rectangular co-ordinate measurement pattern, and the second servomotor drives feeler lever along Y-direction
Pointwise completes the measurement of straight line, and then by feeler lever correcting action, the first servomotor drives the second platform in X direction
Motion one measures step pitch, and then the second servomotor drives feeler lever to be moved along Y-direction, completes the measurement of lower straight line, such as
This repeatedly, until completing the measurement of whole field region.
3. system according to claim 1, it is characterised in that the calibration support section includes multiple adjustable for height thousand
Jin top.
4. the system according to claims 1 to 3 any one, it is characterised in that the feeler lever is using unilateral cantilevered knot
Structure, and the feeler lever is to use the hollow stem of fibrous material.
5. system according to claim 4, it is characterised in that the datum level selects grouan material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710228488.7A CN106842075A (en) | 2017-04-10 | 2017-04-10 | A kind of Measurement and Control System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710228488.7A CN106842075A (en) | 2017-04-10 | 2017-04-10 | A kind of Measurement and Control System |
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| CN106842075A true CN106842075A (en) | 2017-06-13 |
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| CN201710228488.7A Pending CN106842075A (en) | 2017-04-10 | 2017-04-10 | A kind of Measurement and Control System |
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| CN (1) | CN106842075A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151648A (en) * | 2017-12-27 | 2018-06-12 | 苏州乐佰图信息技术有限公司 | Double guide rail measuring tables and its method for measuring coordinates of targets |
| CN109116274A (en) * | 2017-06-23 | 2019-01-01 | 北京中科信电子装备有限公司 | A kind of four-degree-of-freedom measurement of magnetic field device |
| CN109307474A (en) * | 2017-07-28 | 2019-02-05 | 佛山出入境检验检疫局检验检疫综合技术中心(佛山国际旅行卫生保健中心) | A kind of self-operated measuring unit measuring sanitary ware dimensions length |
| CN110780242A (en) * | 2019-10-25 | 2020-02-11 | 中国原子能科学研究院 | Automatic control device and method for full-automatic small-gap magnetic field measurement of cyclotron |
| CN115112153A (en) * | 2022-08-30 | 2022-09-27 | 中国石油天然气集团有限公司 | Indoor simulation calibration device and method for double-horizontal-well magnetic steering measurement |
| CN117452296A (en) * | 2023-10-27 | 2024-01-26 | 北京核力同创科技有限公司 | Magnetic field measurement system and method based on six-dimensional assistance robot |
-
2017
- 2017-04-10 CN CN201710228488.7A patent/CN106842075A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 刘开锋: "CYCHU-10磁场测量装置机械系统设计与实现" * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116274A (en) * | 2017-06-23 | 2019-01-01 | 北京中科信电子装备有限公司 | A kind of four-degree-of-freedom measurement of magnetic field device |
| CN109307474A (en) * | 2017-07-28 | 2019-02-05 | 佛山出入境检验检疫局检验检疫综合技术中心(佛山国际旅行卫生保健中心) | A kind of self-operated measuring unit measuring sanitary ware dimensions length |
| CN108151648A (en) * | 2017-12-27 | 2018-06-12 | 苏州乐佰图信息技术有限公司 | Double guide rail measuring tables and its method for measuring coordinates of targets |
| CN110780242A (en) * | 2019-10-25 | 2020-02-11 | 中国原子能科学研究院 | Automatic control device and method for full-automatic small-gap magnetic field measurement of cyclotron |
| CN115112153A (en) * | 2022-08-30 | 2022-09-27 | 中国石油天然气集团有限公司 | Indoor simulation calibration device and method for double-horizontal-well magnetic steering measurement |
| CN117452296A (en) * | 2023-10-27 | 2024-01-26 | 北京核力同创科技有限公司 | Magnetic field measurement system and method based on six-dimensional assistance robot |
| CN117452296B (en) * | 2023-10-27 | 2024-04-19 | 国电投核力同创(北京)科技有限公司 | Magnetic field measurement system and method based on six-dimensional assistance robot |
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Application publication date: 20170613 |