CN105677954B - A kind of ray detection room radiation protection design method - Google Patents
A kind of ray detection room radiation protection design method Download PDFInfo
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- CN105677954B CN105677954B CN201511029035.9A CN201511029035A CN105677954B CN 105677954 B CN105677954 B CN 105677954B CN 201511029035 A CN201511029035 A CN 201511029035A CN 105677954 B CN105677954 B CN 105677954B
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- ray detection
- detection room
- radiation protection
- agent structure
- detailed structure
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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Abstract
A kind of ray detection room radiation protection design method of the present invention, using covering, card software carries out modeling and protection effect is simulated, the protection effect of agent structure can not only be assessed, the protection effect of detailed structure can also be assessed, improve the accuracy to the integral radiation protection effect evaluation of ray detection room；And the parameter of agent structure and detailed structure is corrected repeatedly according to sunykatuib analysis result, the problem of parameter after amendment is simulated again, the structure of sensing chamber is optimized, avoids leakage radiation, to reduce the rectification risk after sensing chamber builds up, maintenance cost is reduced.
Description
Technical field
The present invention relates to a kind of ray detection room design methods, and in particular to a kind of ray detection room radiation protection design side
Method.
Background technology
X-ray Testing Technology is a kind of non-destructive testing technology being detected to interior of articles information using X-ray, the skill
Art has very extensive application in industry and hospitality industry.The indoor X-ray of ray detection is to have to ambient enviroment and human body
Harmful, when use, which needs dedicated safeguard structure is arranged, carries out radiation protection.
The design of existing ray detection room includes the following steps：
1) type and intensity of radiographic source are determined；
2) according to the parameter of radiographic source, sensing chamber is determined using empirical equation or by searching for the method for technical manual
Main body protects parameter；
3) according to the structure of protection parameter designing sensing chamber；
4) theoretical formula assessment sensing chamber protection effect is utilized, if being unsatisfactory for protection effect design requirement, adjustment main body is anti-
Parameter is protected, until meeting protection Design requirement.
This sensing chamber's design method has the following problems：
1) it is inaccurate that the radiation-shielding construction that technical manual is obtained is calculated or searched by formula, with actual conditions
There is certain differences.
2) it theoretical calculation or tables look-up and can only obtain protection agent structure, such as protect main wall thickness, side wall thicknesses, wait ginseng
Number.For the details position of safeguard structure, such as trench, gap, careful design cannot be made, there are the risks of leakage radiation.
3) theoretical appraisal is carried out to the protection effect of sensing chamber according only to theoretical formula, details position can not be assessed, commented
Estimate it is inaccurate, sensing chamber build up after have larger rectification risk.
Invention content
In view of this, it is an object of the invention to the design method of optimizing detection room, a kind of ray detection room radiation is provided
Protection design method improves the assessment accuracy of sensing chamber to improve the design accuracy of radiation-shielding construction, reduces leakage radiation
Risk reduces the rectification risk after sensing chamber builds up.
In order to achieve the above objectives, the present invention provides the following technical solutions：
A kind of ray detection room radiation protection design method, includes the following steps：
1) type and intensity and the radiation protection requirement of radiographic source are determined；
2) according to the type of radiographic source in step 1) and intensity and radiation protection requirement, the main body of ray detection room is determined
Structural parameters；
3) ray detection room is established according to the agent structure parameter in step 2) and designs graph model；
4) graph model is designed according to the ray detection room in step 3), is modeled using Monte Carlo software, including：It penetrates
Line source modeling, the modeling of ray detection room agent structure, the modeling of ray detection room detailed structure；
5) protection effect of ray detection room is simulated using Monte Carlo software, obtains agent structure and details knot
The analog result of structure；
6) first, analytical procedure 5) in analog result, if agent structure protection effect is unsatisfactory for radiation protection requirement
Agent structure is changed, detailed structure is changed if detailed structure protection effect is unsatisfactory for radiation protection requirement, then, according to modification
Agent structure or detailed structure re-use Monte Carlo software and modeled, and simulate calculating protection effect；
7) step 6) is repeated, until the protection effect of agent structure and detailed structure reaches radiation protection requirement,
At this point, obtaining corresponding agent structure parameter and detailed structure parameter；
8) according to the agent structure parameter and detailed structure parameter completion ray detection room design drawing in step 7).
Further, the Monte Carlo software is the software write based on Monte Carlo method.
Further, the Monte Carlo software is Geant4 or EGS.
Further, the radiographic source is the radiographic source with X-ray.
Further, the radiographic source is X-ray machine or accelerator.
The beneficial effects of the present invention are：
A kind of ray detection room radiation protection design method of the present invention, can protect the integral radiation of ray detection room
Effect makes accurate assessment；The detailed structure for the safeguard structure that ray detection room can be directed to is modeled, and obtains the details
The protection effect of structure, to be optimized to detection cell structure；The problem of can avoid leakage radiation, reduces sensing chamber and builds up
The risk rectified and improved afterwards.
Description of the drawings
In order to keep the purpose of the present invention, technical solution and advantageous effect clearer, the present invention provides following attached drawing and carries out
Explanation：
Fig. 1 is a kind of step flow diagram of ray detection room radiation protection design method of the present invention.
Specific implementation mode
Below in conjunction with attached drawing, the preferred embodiment of the present invention is described in detail.
A kind of ray detection room radiation protection design method of the present invention, includes the following steps：
1) type and intensity and the radiation protection requirement of radiographic source are determined.
2) according to the type of radiographic source in step 1) and intensity and radiation protection requirement, the main body of ray detection room is determined
Structural parameters, the main body parameter include the relevant parameter of main wall, side wall and protective door, for example, protective door thickness be based on join
Number.
3) ray detection room is established according to the agent structure parameter in step 2) and designs graph model.
4) graph model is designed according to the ray detection room in step 3), is modeled using Monte Carlo software, including：It penetrates
Line source modeling, the modeling of ray detection room agent structure, the modeling of ray detection room detailed structure, the ray detection room detailed structure packet
Include trench, trench gap.
5) protection effect of ray detection room is simulated using Monte Carlo software, obtains agent structure and details knot
The analog result of structure.
6) first, analytical procedure 5) in analog result, if agent structure protection effect is unsatisfactory for radiation protection requirement
Agent structure is changed, detailed structure is changed if detailed structure protection effect is unsatisfactory for radiation protection requirement, then, according to modification
Agent structure or detailed structure re-use Monte Carlo software and modeled, and simulate calculating protection effect.
In specific implementation process, the modification mode of agent structure includes increasing main wall or side wall thicknesses, increasing protective door
Thickness；The modification mode of detailed structure includes increasing trench mask door, and Radioprotective Effect can be improved in both modification modes.
7) step 6) is repeated, until the protection effect of agent structure and detailed structure reaches radiation protection requirement,
At this point, obtaining corresponding agent structure parameter and detailed structure parameter.
8) according to the agent structure parameter and detailed structure parameter completion ray detection room design drawing in step 7).
In specific implementation process, answer whether first analysis personnel structural shielding effect meets radiation protection requirement, if discontented
Foot, then modify to agent structure, and simulates and calculate the modified protection effect of agent structure, until the protection of agent structure
Effect reaches radiation protection requirement, then carries out simulation amendment in the protection effect to detailed structure.In short, joining in analysis corrections
During number, Modifying model should be carried out with respect to agent structure, simulation amendment be carried out to detailed structure again after the completion of correcting, due to master
Body structure there is larger effect, this correcting mode can reduce times of revision integral radiation protection effect.
In the present embodiment, the Monte Carlo software is the software write based on Monte Carlo method.Specifically, the illiteracy is special
Caro software is Geant4 or EGS.
In the present embodiment, the radiographic source is the radiographic source with X-ray.Specifically, the radiographic source is X-ray machine or acceleration
Device.Certainly, which is also not limited to the radiographic source with X-ray, or the radiographic source with other rays.
A kind of ray detection room radiation protection design method of the present invention carries out modeling and protection effect using card software is covered
Simulation, can not only assess the protection effect of agent structure, can also be assessed the protection effect of detailed structure, improve
To the accuracy of the integral radiation protection effect evaluation of ray detection room；And according to sunykatuib analysis result to agent structure and
The parameter of detailed structure is corrected repeatedly, is simulated again to parameter after amendment, is optimized the structure of sensing chamber, is avoided ray
The problem of leakage, reduces maintenance cost to reduce the rectification risk after sensing chamber builds up.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (5)
1. a kind of ray detection room radiation protection design method, it is characterised in that include the following steps：
1) type and intensity and the radiation protection requirement of radiographic source are determined；
2) according to the type of radiographic source in step 1) and intensity and radiation protection requirement, the agent structure of ray detection room is determined
Parameter；
3) ray detection room is established according to the agent structure parameter in step 2) and designs graph model；
4) graph model is designed according to the ray detection room in step 3), is modeled using Monte Carlo software, including：Radiographic source
Modeling, the modeling of ray detection room agent structure, the modeling of ray detection room detailed structure；
5) protection effect of ray detection room is simulated using Monte Carlo software, obtains agent structure and detailed structure
Analog result；
6) first, analytical procedure 5) in analog result, changed if agent structure protection effect is unsatisfactory for radiation protection requirement
Agent structure changes detailed structure if detailed structure protection effect is unsatisfactory for radiation protection requirement, then, according to the master of modification
Body structure or detailed structure re-use Monte Carlo software and are modeled, and simulate calculating protection effect；
7) step 6) is repeated, until the protection effect of agent structure and detailed structure reaches radiation protection requirement, at this point,
Obtain corresponding agent structure parameter and detailed structure parameter；
8) according to the agent structure parameter and detailed structure parameter completion ray detection room design drawing in step 7).
2. a kind of ray detection room radiation protection design method according to claim 1, it is characterised in that：The Meng Teka
Sieve software is the software write based on Monte Carlo method.
3. a kind of ray detection room radiation protection design method according to claim 2, it is characterised in that：The Meng Teka
Sieve software is Geant4 or EGS.
4. a kind of ray detection room radiation protection design method according to claim 1, it is characterised in that：The radiographic source
For the radiographic source with X-ray.
5. a kind of ray detection room radiation protection design method according to claim 4, it is characterised in that：The radiographic source
For X-ray machine or accelerator.
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| CN201511029035.9A CN105677954B (en) | 2015-12-31 | 2015-12-31 | A kind of ray detection room radiation protection design method |
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| CN201511029035.9A CN105677954B (en) | 2015-12-31 | 2015-12-31 | A kind of ray detection room radiation protection design method |
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| CN105677954A CN105677954A (en) | 2016-06-15 |
| CN105677954B true CN105677954B (en) | 2018-09-11 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013034588A1 (en) * | 2011-09-06 | 2013-03-14 | European Aeronautic Defence And Space Company Eads France | Method of characterising the sensitivity of an electronic component subjected to irradiation conditions |
| CN103868759A (en) * | 2012-12-07 | 2014-06-18 | 中国辐射防护研究院 | Optimization design method of liquid state effluent measure apparatus sampling system |
| CN104319222A (en) * | 2014-10-29 | 2015-01-28 | 中国原子能科学研究院 | Standard high-pressure ionization chamber and manufacturing method thereof |
-
2015
- 2015-12-31 CN CN201511029035.9A patent/CN105677954B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013034588A1 (en) * | 2011-09-06 | 2013-03-14 | European Aeronautic Defence And Space Company Eads France | Method of characterising the sensitivity of an electronic component subjected to irradiation conditions |
| CN103868759A (en) * | 2012-12-07 | 2014-06-18 | 中国辐射防护研究院 | Optimization design method of liquid state effluent measure apparatus sampling system |
| CN104319222A (en) * | 2014-10-29 | 2015-01-28 | 中国原子能科学研究院 | Standard high-pressure ionization chamber and manufacturing method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 医用X射线机机房的辐射防护;张亚敏 等;《中国医学装备》;20120731;第9卷(第7期);第54-55页 * |
| 医院X射线机房设计布局探讨;胡寅进等;《中国医疗设备》;20130930;第28卷(第09期);第89-91页 * |
| 医院诊断X射线机房的设计布局及防护性能评估;何洪林 等;《医疗卫生装备》;20101231;第31卷(第12期);第97-101页 * |
| 工业X射线探伤机房的防护设施设计探讨;胡芳芳;《中国辐射卫生》;20070331;第16卷(第1期);第127-128页 * |
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| CN105677954A (en) | 2016-06-15 |
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Denomination of invention: A radiation protection design method for radiation testing rooms Effective date of registration: 20230605 Granted publication date: 20180911 Pledgee: Chongqing Bank Co.,Ltd. Major Branch Pledgor: CHONGQING ZHENCE SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2023500000039 |