CN108132482A - It is adapted to the high-precision radiation field scan device of more water tanks - Google Patents
It is adapted to the high-precision radiation field scan device of more water tanks Download PDFInfo
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- CN108132482A CN108132482A CN201711315671.7A CN201711315671A CN108132482A CN 108132482 A CN108132482 A CN 108132482A CN 201711315671 A CN201711315671 A CN 201711315671A CN 108132482 A CN108132482 A CN 108132482A
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- guide rail
- water tank
- detector
- scanning means
- servo motor
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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
- G01T1/02—Dosimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
-
- 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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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Measurement Of Radiation (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The present invention relates to a kind of high-precisions for being adapted to more water tanks to radiate field scan device, and the scanning means includes：Three-dimensional motion track-type facilities, are set to the top in the detector merging face of water tank, and the three-dimensional motion track-type facilities include the first guide rail, the second guide rail and third guide rail；Clamp module is set on the three-dimensional motion track-type facilities, is driven by the servo motor of the three-dimensional motion track-type facilities；Detector is fixed by the clamp module, and is set in water tank, is accordingly moved in the water tank with the movement of the clamp module, and the ray for being injected in water tank to the ray plane of incidence by water tank is detected, so that it is determined that dose of radiation；Magnetic railings ruler, it is ensured that detector precisely reaches predetermined work position.The scanning means can be used in the movement for making detector on various dimensions, so as to be detected in each required position, obtain required measurement data so that test result is more precisely effective.
Description
Technical field
The present invention relates to activity-sensing equipment field more particularly to a kind of high-precision radiation field scan dresses for being adapted to more water tanks
It puts.
Background technology
Ionisation chamber is the detector that ionising radiation is measured using the ionisation effect of ionising radiation, can be used to detection one
The amount of radiation of a position.
Under different application scenarios, ionisation chamber can be set or be accommodated in different devices.
In the measuring method for the high-precision radiation field of radiotherapy Quality Control, ionisation chamber is placed in water tank, it is pervious only
Adjusted by physics teacher with conventional equipments such as ionisation chamber dosemeter, films by complicated operation to complete position, by water tank or
Person's ionisation chamber is translated along beam direction, that is to say, that the only change in location of one-dimensional can not obtain accurate test
As a result, measuring, position is limited, and time-consuming and laborious and accuracy is poor.The scanning means of the present invention can realize three-dimensional in structure
The accurate position and direction for adjusting ionisation chamber and water tank.
Invention content
The purpose of the present invention is in view of the drawbacks of the prior art, provide a kind of high-precision for being adapted to more water tanks to radiate field scan
Device can realize that three-dimensional accurately adjusts the position and direction of ionisation chamber and water tank in structure.
To achieve the above object, the present invention provides a kind of high-precisions for being adapted to more water tanks to radiate field scan device, including：
Three-dimensional motion track-type facilities are set to the top in the detector merging face of water tank, the three-dimensional motion track-type facilities
Including the first guide rail, the second guide rail and third guide rail；First guide rail is put with second guide rail in the parallel detector
Enter and be vertically arranged in the plane in face, the third guide rail vertically detector merging face setting；
Clamp module is set on the three-dimensional motion track-type facilities, passes through the servo of the three-dimensional motion track-type facilities
Motor drives, and is moved in the solid space formed in first guide rail, the second guide rail and third guide rail；The clamp module exists
There is preset adjustable angle range in the plane in the parallel and vertical detector merging face；
Detector is fixed by the clamp module, and is set in water tank, with the movement of the clamp module in the water
It is accordingly moved in case, the ray for being injected in water tank to the ray plane of incidence by water tank is detected, so that it is determined that radiation
Dosage；Wherein, the ray plane of incidence of the water tank is placed in face perpendicular to the detector；
Magnetic railings ruler is connected with the servo motor, and the displacement data of the detector is obtained by the servo motor,
And displacement control signal is generated to the servo motor according to setting displacement parameter, to control described in the servo motor driving
Clamp module drives the detector to reach predetermined work position.
Preferably, the scanning means further includes electromagnetism limit switch；The electromagnetism limit switch is respectively arranged at described
On first guide rail, the second guide rail and third guide rail, to limit the clamp module in first guide rail, the second guide rail and
Maximum displacement on three guide rails.
Preferably, the scanning means further includes pushing block；The pushing block is set to the water opposite with the ray plane of incidence
The outer surface of case side wall, for the water tank to be driven to generate displacement along ray incident direction.
It is further preferred that the scanning means further includes positioning link stopper；The positioning link stopper is set to along ray incidence
The water tank both sides in direction, for limiting the water tank in the maximum displacement along ray incident direction and least displacement.
Preferably, the high-precision radiation field scan device and the site error of water tank cooperation are less than 0.5mm.
Preferably, ranging from ± 15 ° of the adjustable angle.
Preferably, degree of the being mutually perpendicular to error between first guide rail, the second guide rail and third guide rail is less than 0.1 °.
Preferably, the magnetic railings ruler connects with external processing equipment, the displacement number of the detector that detection is obtained
According to being sent to the processing equipment；The processing equipment determines to correct position according to the setting displacement parameter and the displacement data
Data are moved, and are converted into the displacement control signal to the servo motor, are sent to the servo motor.
Preferably, installation position of the electromagnetism limit switch on first guide rail, the second guide rail and third guide rail
It can adjust, to be adapted to different water tanks.
Preferably, second guide rail is two root guide rails being arranged in parallel, and there are one for tool on each sub- guide rail
Two sliding blocks, two second sliding blocks are synchronized with the movement by servo motor driving；The two of first guide rail
End is respectively erected on two sliding blocks, and first guide rail is accordingly moved with the movement of second sliding block；
Tool is there are one the first sliding block for being driven by the servo motor on first guide rail, the third guide rail with
The first guide rail vertical connection is in first sliding block；The third guide rail with first sliding block movement phase
It should move；
The clamp module is set on the third guide rail, is driven by the servo motor, on the third guide rail
Movement.
The high-precision of the more water tanks of adaptation provided in an embodiment of the present invention radiates field scan device, and three-dimensional motion is realized in structure
The separation of device and water tank, can be adapted to a variety of water tanks, and adjustable limit switch ensures that water tank is mutual with detector according to requirement of experiment
It does not interfere, efficient operation, magnetic railings ruler realizes full closed loop control, it is ensured that detector precisely reaches designated position.Whole device can
For making movement of the detector on various dimensions, so as to be detected in each required position, required measurement data is obtained so that
Test result is more precisely effective.
Description of the drawings
Fig. 1 is that the high-precision of the more water tanks of adaptation provided in an embodiment of the present invention radiates the stereochemical structure signal of field scan device
Figure.
Specific embodiment
Below by drawings and examples, technical scheme of the present invention is described in further detail.
An embodiment of the present invention provides a kind of high-precisions for being adapted to more water tanks to radiate field scan device, and Fig. 1 is real for the present invention
The dimensional structure diagram of the high-precision radiation field scan device of the more water tanks of adaptation of example offer, with reference to shown in Fig. 1, the present invention are provided
The high-precision radiation field scan device for the more water tanks of adaptation that embodiment provides includes：Three-dimensional motion track-type facilities 1, clamp module 2,
Detector 3, magnetic railings ruler 4, electromagnetism limit switch 5, servo motor 6, pushing block 7 and block 8.
Three-dimensional motion track-type facilities 1, be set to water tank 10 detector merging face 101 top, including the first guide rail 11,
Second guide rail 12 and third guide rail 13；First guide rail 11 and the second guide rail 12 hang down in the plane in parallel detector merging face 101
Straight setting, 13 vertical probe of third guide rail merging face 101 are set.
In a specific embodiment of the present invention, as shown in Figure 1, the second guide rail 12 is two root guide rails being arranged in parallel, often
There are one the second sliding block (not shown)s for tool on a sub- guide rail, and two the second sliding block (not shown)s are by watching
The driving of motor 6 is taken to be synchronized with the movement；
The both ends of first guide rail 11 are respectively erected in two the second sliding block (not shown)s, the first guide rail 11 with
The movement of second sliding block (not shown) is accordingly moved；
The the first sliding block (not shown) driven there are one tools by servo motor 6 on first guide rail 11, third to be led
13 and first guide rail vertical connection of rail is in the first sliding block；Third guide rail 13 is accordingly moved with the movement of the first sliding block；
Clamp module 2 is set on third guide rail 13, is driven by servo motor 6, is moved on third guide rail 13.
First guide rail 11 including two electromagnetism limit switches 51, limits the first sliding block on the first guide rail 11 most
Big displacement.
Second guide rail 12 including two electromagnetism limit switches 52, limits the second sliding block on the second guide rail 12 most
Big displacement.
Third guide rail 13 including two electromagnetism limit switches 53, limits dominant bit of the clamp module 2 on third guide rail 13
It moves.
Pass through electromagnetism limit switch 5, it is ensured that detector 3 in three-dimensional forward or backwards moving process not with water
Case is in contact.
Clamp module 2 as a result, are driven by the servo motor 6 for being connected to three-dimensional motion track-type facilities 1, in the first guide rail
11st, it is moved in the solid space that the second guide rail 12 and third guide rail 13 are formed.
In order to ensure the precision and accuracy of position movement, between the first guide rail 11, the second guide rail 12 and third guide rail 13
Degree of being mutually perpendicular to error be less than 0.1 °.
In addition, clamp module 2 has appropriate degree of freedom, side in the plane in parallel and vertical probe merging face 101
Just position angle of the detector 3 relative to the first guide rail 11, the second guide rail 12 and third guide rail 13 is adjusted.Preferably, clamping die
Ranging from ± 15 ° of adjustable angle between block 2 and each guide rail.Detector 3 is clamped module 2 and is fixedly clamped, and be set to water
In case 10, clamp module 2 moves under the driving of servo motor 6 with detector 3 in water tank 10, for passing through water tank 10
The ray that the ray plane of incidence 102 is injected in water tank 10 is detected, so that it is determined that dose of radiation；Wherein, the ray of water tank 10 enters
It penetrates face 102 and is placed in face 101 perpendicular to detector.To ensure measurement accuracy, high-precision radiates field scan device and coordinates with water tank 10
Site error be less than 0.5mm.
Manufacture the raw material of the high-precision radiation field scan device of the more water tanks 10 of above-mentioned adaptation, light, waterproof, anti-corrosion
It loses and can be worked normally under lasting radiation exposure.
In order to realize the closed-loop control adjusted to position, scanning means of the invention has further included magnetic railings ruler 4.Magnetic railings ruler 4
It is communicated to connect with servo motor 6, the displacement data of detector 3 is obtained by servo motor 6, and according to the displacement parameter pair of setting
Servo motor 6 generates displacement control signal, servo motor 6 to be controlled to drive the first sliding block (not shown), second
Sliding block (not shown) and clamp module 2 drive detector 3 to reach predetermined work position.
Drive detector 3 is driven to be moved in water tank except through servo motor 6 outer, the position of water tank can also be directly changed
Put the radiation field for obtaining variation.
For this purpose, the present invention also provides pushing blocks 7 and positioning link stopper 8.
Pushing block 7 is set to the outer surface of the water tank side wall opposite with the ray plane of incidence 102, and water tank 10 is driven by pushing block 7
Displacement is being generated along ray incident direction.
Positioning link stopper 8 is set to water tank both sides along ray incident direction, for limiting water tank along ray incident direction
Maximum displacement and least displacement.
By the design of pushing block 7 and positioning link stopper 8, change in displacement of the water tank in ray incident direction can be realized, from
And change the radiation field where detector 3.
When as follows using high-precision radiation field scan device measurement process.
First, select the water tank (be less than or equal to 450*450*450) of appropriate specification, under the drive of pushing block 7 by water tank along
Ray incident direction moves, some position is fixed on using block 8 when required position is moved to.
In specific experiment, we employ 300*300*300mm3、350*350*350mm3、450*450*450mm3
The water tank of three kinds of specifications can be achieved good fit with the present apparatus.
Second, detector 3 is moved to initial position, initial position can be set as needed.Simultaneously to magnetic grid
The zero setting of ruler 4.
Third, computer obtain predetermined work position, and corresponding displacement parameter is generated, and to watching according to predetermined work position
Take motor 6 generate the first displacement control signal, to control servo motor 6 drive the first sliding block, the second sliding block and
Clamp module 2 drives in the solid space that detector 3 is formed in the first guide rail 11, the second guide rail 12 and third guide rail 13 and moves,
Reach first position；
4th, the numerical value of magnetic railings ruler 4 is read by being connect with computer, according to predetermined work position, is determined and predetermined work
Make the displacement difference between position, and generate second displacement control signal, to control servo motor 6 drive the first sliding block,
It is vertical that second sliding block and clamp module 2 drive detector 3 to be formed in the first guide rail 11, the second guide rail 12 and third guide rail 13
Fine position is carried out in body space, so as to reach predetermined work position.This step can recycle execution repeatedly, accurate until meeting
Until degree requirement.
The high-precision of the more water tanks of adaptation provided in an embodiment of the present invention radiates field scan device, and three-dimensional motion is realized in structure
The separation of device and water tank, can be adapted to a variety of water tanks, and adjustable limit switch ensures that water tank is mutual with detector according to requirement of experiment
It does not interfere, efficient operation, magnetic railings ruler realizes full closed loop control, it is ensured that detector precisely reaches designated position.Whole device can
For making movement of the detector on various dimensions, so as to be detected in each required position, required measurement data is obtained so that
Test result is more precisely effective.
Above-described specific embodiment has carried out the purpose of the present invention, technical solution and advantageous effect further
It is described in detail, it should be understood that the foregoing is merely the specific embodiment of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of high-precision radiation field scan device for being adapted to more water tanks, which is characterized in that the scanning means includes：
Three-dimensional motion track-type facilities, are set to the top in the detector merging face of water tank, and the three-dimensional motion track-type facilities include
First guide rail, the second guide rail and third guide rail；First guide rail is with second guide rail in the parallel detector merging face
Plane on be vertically arranged, the third guide rail vertically detector merging face setting；
Clamp module is set on the three-dimensional motion track-type facilities, passes through the servo motor of the three-dimensional motion track-type facilities
Driving moves in the solid space of first guide rail, the second guide rail and third guide rail composition；The clamp module is parallel
There is preset adjustable angle range in the plane in the vertical detector merging face；
Detector is fixed by the clamp module, and is set in water tank, with the movement of the clamp module in the water tank
Corresponding mobile, the ray for being injected in water tank to the ray plane of incidence by water tank is detected, so that it is determined that dose of radiation；
Wherein, the ray plane of incidence of the water tank is placed in face perpendicular to the detector；
Magnetic railings ruler is connected with the servo motor, and the displacement data of the detector, and root are obtained by the servo motor
Displacement control signal is generated to the servo motor according to setting displacement parameter, the servo motor to be controlled to drive the clamping
Module drives the detector to reach predetermined work position.
2. scanning means according to claim 1, which is characterized in that the scanning means further includes electromagnetism limit switch；
The electromagnetism limit switch is respectively arranged on first guide rail, the second guide rail and third guide rail, described to limit
Maximum displacement of the clamp module on first guide rail, the second guide rail and third guide rail.
3. scanning means according to claim 1, which is characterized in that the scanning means further includes pushing block；
The pushing block is set to the outer surface of the water tank side wall opposite with the ray plane of incidence, for driving the water tank on edge
Ray incident direction generates displacement.
4. scanning means according to claim 3, which is characterized in that the scanning means further includes positioning link stopper；
The positioning link stopper is set to water tank both sides along ray incident direction, for limiting the water tank along ray incidence side
To maximum displacement and least displacement.
5. scanning means according to claim 1, which is characterized in that the high-precision radiation field scan device is matched with water tank
The site error of conjunction is less than 0.5mm.
6. scanning means according to claim 1, which is characterized in that ranging from ± 15 ° of the adjustable angle.
7. scanning means according to claim 1, which is characterized in that first guide rail, the second guide rail and third guide rail
Between degree of being mutually perpendicular to error be less than 0.1 °.
8. scanning means according to claim 1, which is characterized in that the magnetic railings ruler connects with external processing equipment,
The displacement data of the detector that detection obtains is sent to the processing equipment；
The processing equipment determines to correct displacement data, and be converted into pair according to the setting displacement parameter and the displacement data
The displacement control signal of the servo motor is sent to the servo motor.
9. scanning means according to claim 1, which is characterized in that the electromagnetism limit switch first guide rail,
Installation position on second guide rail and third guide rail can adjust, to be adapted to different water tanks.
10. scanning means according to claim 1, which is characterized in that second guide rail is two roots being arranged in parallel
Guide rail, each for tool there are one the second sliding block, two second sliding blocks to pass through servo electricity on the sub- guide rail
Machine driving is synchronized with the movement；The both ends of first guide rail are respectively erected on two sliding blocks, first guide rail with
The movement of second sliding block is accordingly moved；
Tool is there are one the first sliding block for being driven by the servo motor on first guide rail, the third guide rail with it is described
First guide rail vertical connection is in first sliding block；The third guide rail is accordingly moved with the movement of first sliding block
It is dynamic；
The clamp module is set on the third guide rail, is driven by the servo motor, is moved on the third guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315671.7A CN108132482B (en) | 2017-12-12 | 2017-12-12 | High-precision radiation field scanning device adaptive to multiple water tanks |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315671.7A CN108132482B (en) | 2017-12-12 | 2017-12-12 | High-precision radiation field scanning device adaptive to multiple water tanks |
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| Publication Number | Publication Date |
|---|---|
| CN108132482A true CN108132482A (en) | 2018-06-08 |
| CN108132482B CN108132482B (en) | 2019-12-13 |
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| CN201711315671.7A Expired - Fee Related CN108132482B (en) | 2017-12-12 | 2017-12-12 | High-precision radiation field scanning device adaptive to multiple water tanks |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109116406A (en) * | 2018-10-29 | 2019-01-01 | 北京国械堂科技发展有限责任公司 | A kind of ray detecting apparatus |
| CN109116405A (en) * | 2018-10-29 | 2019-01-01 | 北京国械堂科技发展有限责任公司 | A kind of medical treatment detection 3 d water tank |
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| CN108132482B (en) | 2019-12-13 |
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