CN105973229A - Method and system for determining operating path of radiation dosage field of nuclear power station - Google Patents
Method and system for determining operating path of radiation dosage field of nuclear power station Download PDFInfo
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- CN105973229A CN105973229A CN201610493465.4A CN201610493465A CN105973229A CN 105973229 A CN105973229 A CN 105973229A CN 201610493465 A CN201610493465 A CN 201610493465A CN 105973229 A CN105973229 A CN 105973229A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
Abstract
The invention discloses a method and system for determining an operating path of a radiation dosage field of a nuclear power station. The method comprises the following steps: receiving operating information in an operating region, wherein the operating information comprises starting points, operating points and end points of various operations; loading three-dimensional dosage field data in the operating region to form a three-dimensional dosage field distribution diagram; and determining the operating path in the radiation dosage field according to the operating information and the three-dimensional dosage field distribution diagram. The method for determining the operating path of the radiation dosage field of the nuclear power station provides an optimal operating path in the operating region for operators, an unordered operating mode is avoided, and therefore, accumulated radiation dosage of single operation of the operators is reduced.
Description
Technical field
The invention belongs to technical field of nuclear power, it is more particularly related to a kind of nuclear power station radiation dose
The determination method and system of field courses of action.
Background technology
In the running of nuclear power station, needing the strict radiation dose controlling nuclear power station operator, this will
Directly affect the healthy of staff in nuclear power station.In GB GB18871-2002, in nuclear power station
The annual dose of operator define limit value, in the running of nuclear power station, any operator are suffered
Annual dose all must not exceed above-mentioned limit value.
In a kind of prior art, in nuclear power station actual moving process, effective dose rate is generally used to characterize
The radioactive level in nuclear power station inner radiation zone territory, and in nuclear power station radiation areas, the effective dose of diverse location
Rate is also different, and i.e. in radiation areas spatially, the distribution of effective dose rate changes.For
This, for the personal safety of operator, enter the operator in the regions such as nuclear island, generally need to carry with
Radiation dose monitoring equipment, the suffered radiation dose of record individual, after the end of job, then ought time measurement knot
Fruit is passed monitoring back and is analyzed with dosage management system, and this mode only can be by single-measurement point in region
Effective dose rate measured value obtain the effective dose rate level of this point, be not only difficult to determine nuclear power station region
Radiation dose, and it is difficult to ensure that the personal safety of operator.
It addition, in nuclear power station running, there is the operation in substantial amounts of radiation areas, operator need
Enter operating area from radiation areas entrance, carry out operation after arriving operating point, and complete operation backed off after random
This region.Due in operating area everywhere effective dose rate different, therefore an optimization should be there is, i.e. radiate
The path that close rate is minimum so that operator are engaged in the integral dose of specific operation and minimize value.And
At present in nuclear power station running, lack the analysis in this optimized operation path and determine method and system, i.e.
Operator cannot obtain the optimized guide of courses of action, thus cannot effectively reduce the accumulative of single operation
Dosage.
In view of this, the determination method of a kind of nuclear power station of necessary offer Radiation Dose Field courses of action and be
System, effectively to reduce the integral dose of single operation.
Summary of the invention
It is an object of the invention to: a kind of determination method of nuclear power station Radiation Dose Field courses of action is provided and is
System, it is possible to provide optimal path when operating in radiation operations region, effectively reduces operator at operating area
The radiation dose of interior operation.
In order to realize foregoing invention purpose, embodiments provide a kind of nuclear power station Radiation Dose Field operation
The determination method in path, comprises the steps: to receive operation information in operating area, described operation information bag
Include the starting point of operations, operating point and terminal；3-dimensional dose field data is loaded in described operating area,
Form 3-dimensional dose field pattern；According to described operation information and described 3-dimensional dose field pattern, determine
Courses of action in described Radiation Dose Field.
As a kind of improvement of the determination method of nuclear power station Radiation Dose Field courses of action of the present invention, described method
Also include: described operating area will be divided into several spatial networks；
Described loading 3-dimensional dose field data in described operating area, forms 3-dimensional dose field pattern concrete
For:
Spatial network in described operating area loads described 3-dimensional dose field data, generates some spaces
Grid 3-dimensional dose field, associates described space lattice 3-dimensional dose field and forms spatial network 3-dimensional dose field distribution
Figure.
As a kind of improvement of the determination method of nuclear power station Radiation Dose Field courses of action of the present invention, described space
Grid 3-dimensional dose field pattern is by space with obstacle grid 3-dimensional dose field and clear space grid dosage field group
Become；
Described according to described operation information with described 3-dimensional dose field pattern, determine at described Radiation Dose Field
In courses of action step particularly as follows:
According to described operation information, described space with obstacle grid 3-dimensional dose field, described clear space grid
Dosage field, and standardized body dimensions, determine the courses of action in described Radiation Dose Field.
As a kind of improvement of the determination method of nuclear power station Radiation Dose Field courses of action of the present invention, described determine
The courses of action in described Radiation Dose Field be a plurality of, described method also includes calculating described a plurality of operation
The radiation dose value in path, and show the Optimum Operation path that radiation dose value is minimum.
As a kind of improvement of the determination method of nuclear power station Radiation Dose Field courses of action of the present invention, described three-dimensional
Dose response function figure is characterized effective dose rate level in additional space grid, described Optimum Operation by different colours
Path characterizes by the way of arranging highlighted color or changing transparency.
The embodiment of the present invention additionally provides the determination system of a kind of nuclear power station Radiation Dose Field courses of action, including:
Receiver module, is used for receiving operation information in operating area, and described operation information includes operations
Starting point, operating point and terminal；
Load-on module, for loading 3-dimensional dose field data in described operating area, forms 3-dimensional dose field
Scattergram；
Determine module, for according to described operation information and described 3-dimensional dose field pattern, determine described
Courses of action in Radiation Dose Field.
As a kind of improvement of the determination system of nuclear power station Radiation Dose Field courses of action of the present invention, described system
Also include dividing module, for described operating area being divided into several spatial networks；
Described load-on module specifically for: the spatial network in described operating area loads described three-dimensional agent
Amount field data, generates some space lattice 3-dimensional dose fields, associates described space lattice 3-dimensional dose field and is formed
Spatial network 3-dimensional dose field pattern.
As a kind of improvement of the determination system of nuclear power station Radiation Dose Field courses of action of the present invention, described space
Grid 3-dimensional dose field pattern is by space with obstacle grid 3-dimensional dose field and clear space grid dosage field group
Become；
Described determine module specifically for: according to described operation information, described space with obstacle grid 3-dimensional dose
Field, described clear space grid dosage field, and standardized body dimensions, determine at described Radiation Dose Field
Interior courses of action.
As a kind of improvement of the determination system of nuclear power station Radiation Dose Field courses of action of the present invention, described determine
The courses of action in described Radiation Dose Field be a plurality of, described system also include computing module and display mould
Block, described computing module is for calculating the radiation dose value of described a plurality of courses of action, and described display module shows
Show the Optimum Operation path that radiation dose value is minimum.
As a kind of improvement of the determination system of nuclear power station Radiation Dose Field courses of action of the present invention, described three-dimensional
Dose response function figure is characterized effective dose rate level in additional space grid, described Optimum Operation by different colours
Path characterizes by the way of arranging highlighted color or changing transparency.
Compared with prior art, the present invention provides the determination method of nuclear power station Radiation Dose Field courses of action and be
System so that the effective dose distribution law of operating area is distributed and recognizes more intuitively by operator, and provides
To operator in the courses of action of operating area, it is possible to decrease the radiation agent that operator operate at operating area
Amount.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and detailed description of the invention, to nuclear power station Radiation Dose Field courses of action of the present invention really
Determine method and system and Advantageous Effects be described in detail, wherein:
The flow process of the determination method of a kind of Radiation Dose Field courses of action that Fig. 1 provides for the embodiment of the present invention is shown
It is intended to；
The module of the determination system of a kind of Radiation Dose Field courses of action that Fig. 2 provides for the embodiment of the present invention is shown
It is intended to.
Detailed description of the invention
In order to make the goal of the invention of the present invention, technical scheme and Advantageous Effects thereof become apparent from, below tie
Close the drawings and specific embodiments, the present invention is further elaborated.It should be appreciated that this theory
Detailed description of the invention described in bright book is only used to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, embodiments provide a kind of determination method of Radiation Dose Field courses of action, should
Method comprises the steps:
Operation information in S1, reception operating area, described operation information includes the starting point of operations, operation
Point and terminal；
The determination system of Radiation Dose Field courses of action receives the operation information needing operation, this operation information bag
Include: starting point in aforesaid operations region of the scope of operating area, associative operation, operating point, and operation
Operation terminal after completing.
S2, in described operating area load 3-dimensional dose field data, formed 3-dimensional dose field pattern；
Specifically, in the determination method of the nuclear power station Radiation Dose Field courses of action that the embodiment of the present invention provides,
Also include being divided into operating area several spatial networks.
This operating area includes room, the passage etc. being positioned in operating area, specifically, and can be by aforesaid operations
Region carries out spatial discretization process, will aforesaid operations region from being spatially divided into some space lattices,
Characterizing whole operating area by the way of space lattice, this space lattice could be arranged to 100*100*100,
Will operating area X-axis, Y-axis, Z axis direction on be divided into 100 deciles, form 100*100*100
Individual space lattice, it is possible to according to actual needs operating area is divided into 1000*1000*1000 space lattice.
This space lattice includes space with obstacle grid and clear space grid, and wherein space with obstacle grid is net
It is real without equipment or body of wall etc. in grid for having the grid of the entity such as equipment or body of wall, clear space grid in lattice
The grid of body.
Obtaining the 3-dimensional dose field data bag in aforesaid operations region, this 3-dimensional dose field data bag can be by specially
Industry software part, is calculated in conjunction with radioactive source item data in this operating area.
In the space lattice in aforesaid operations region, load 3-dimensional dose field data bag, thus generate some spaces
Grid 3-dimensional dose field, this space lattice 3-dimensional dose field includes space with obstacle grid dosage field and accessible sky
Between grid dosage field.
According to the size of 3-dimensional dose field data in each space networks, the Radiation Dose Field in operating area is carried out
Simulation, as shown in different colors in space lattice, redness be dosage maximum, orange takes second place, Huang
Third, green dosage field is less for color, and white then expression does not has the region of extra dose, and these colors can be divided
Do not represent the scope of one section of effective dose rate, more than 0.0025mSv/h and be less than as green represents effective dose rate
0.01mSv/h etc..The matching relationship of level according to effective dose rate and above-mentioned effective dose rate and color,
Calculate and obtain the color that additional space grid should be filled.
Associate above-mentioned some space lattice 3-dimensional dose fields, form space lattice 3-dimensional dose field pattern, should
The space lattice that 3-dimensional dose field pattern is characterized by different colours forms.
S3, according to described operation information and described 3-dimensional dose field pattern, determine at described Radiation Dose Field
Interior courses of action.
Further, according to aforesaid operations information, space with obstacle grid 3-dimensional dose field, clear space net
Lattice 3-dimensional dose field, and standardized body dimensions, determine the latticed courses of action in this Radiation Dose Field.
Specifically, latticed courses of action are again to terminal from starting point to operating point, space lattice be connected
Grid characterizes courses of action.
These courses of action are the transitable paths of operator, do not include space with obstacle grid, and according to space
The size of grid and the conversion relation of standardized body dimensions and space lattice, apart from the height on ground, are sentenced
Whether the combination of disconnected space lattice can envelope body dimension.
According to above-mentioned each factor, all possible courses of action of Automatic-searching, i.e. these courses of action are a plurality of.
After obtaining a plurality of courses of action, calculate the radiation dose value of above-mentioned mulitpath, and show radiation agent
The Optimum Operation path that value is minimum.
Specifically, above-mentioned Optimum Operation path characterizes by the way of arranging highlighted color or changing transparency,
And the effective dose rate level of each space lattice also can show in courses of action.
The determination method of the nuclear power station Radiation Dose Field courses of action that the embodiment of the present invention provides, can make operator
The effective dose distribution law of operating area is distributed and recognizes more intuitively by member, and is supplied to operator behaviour
Make the courses of action in region, it is possible to decrease the radiation dose that operator operate at operating area.
The embodiment of the present invention additionally provides the determination system of a kind of nuclear power station Radiation Dose Field courses of action, its bag
Include:
Receiver module 200, is used for receiving operation information in operating area, and this operation information includes operations
Starting point, operating point and terminal；
Load-on module 202, for loading 3-dimensional dose field data in described operating area, forms 3-dimensional dose
Field pattern；
Determine module 204, for according to described operation information and described 3-dimensional dose field pattern, determine in institute
State the courses of action in Radiation Dose Field.
Further, this system also includes dividing module 201, for empty by being divided into several in operating area
Between network；Load-on module 202 specifically for: in the spatial network in operating area load 3-dimensional dose field
Data, generate some space lattice 3-dimensional dose fields, and incident space grid 3-dimensional dose field forms spatial network
3-dimensional dose field pattern.
This operating area includes room, the passage etc. being positioned in operating area, specifically, and can be by aforesaid operations
Region carries out spatial discretization process, will aforesaid operations region from being spatially divided into some space lattices,
Characterizing whole operating area by the way of space lattice, this space lattice could be arranged to 100*100*100,
Will operating area X-axis, Y-axis, Z axis direction on be divided into 100 deciles, form 100*100*100
Individual space lattice, it is possible to according to actual needs operating area is divided into 1000*1000*1000 space lattice.
This space lattice includes space with obstacle grid and clear space grid, and wherein space with obstacle grid is net
It is real without equipment or body of wall etc. in grid for having the grid of the entity such as equipment or body of wall, clear space grid in lattice
The grid of body.
Obtaining the 3-dimensional dose field data bag in aforesaid operations region, this 3-dimensional dose field data bag can be by specially
Industry software part, is calculated in conjunction with radioactive source item data in this operating area.
In the space lattice in aforesaid operations region, load 3-dimensional dose field data bag, thus generate some spaces
Grid 3-dimensional dose field, this space lattice 3-dimensional dose field includes space with obstacle grid dosage field and accessible sky
Between grid dosage field.
According to the size of 3-dimensional dose field data in each space networks, the Radiation Dose Field in operating area is carried out
Simulation, as shown in different colors in space lattice, redness be dosage maximum, orange takes second place, Huang
Third, green dosage field is less for color, and white then expression does not has the region of extra dose, and these colors can be divided
Do not represent the scope of one section of effective dose rate, more than 0.0025mSv/h and be less than as green represents effective dose rate
0.01mSv/h etc..The matching relationship of level according to effective dose rate and above-mentioned effective dose rate and color,
Calculate and obtain the color that additional space grid should be filled.
Associate above-mentioned some space lattice 3-dimensional dose fields, form space lattice 3-dimensional dose field pattern, should
The space lattice that 3-dimensional dose field pattern is characterized by different colours forms.
Further, space lattice 3-dimensional dose field pattern is by space with obstacle grid 3-dimensional dose field with without barrier
Space lattice dosage field is hindered to form；
Determine module 204 specifically for: according to operation information, space with obstacle grid 3-dimensional dose field, described
Clear space grid dosage field, and standardized body dimensions, determine the courses of action in Radiation Dose Field.
The courses of action in described Radiation Dose Field determined are a plurality of, and described system also includes computing module
203 and display module 205.
Computing module 203 is for calculating the radiation dose value of described a plurality of courses of action.
Display module 205 shows the Optimum Operation path that radiation dose value is minimum.
3-dimensional dose field pattern is characterized effective dose rate level in additional space grid by different colours, optimum
Courses of action characterize by the way of arranging highlighted color or changing transparency.
The determination system of the nuclear power station Radiation Dose Field courses of action that the embodiment of the present invention provides, can make operator
The effective dose distribution law of operating area is distributed and recognizes more intuitively by member, and is supplied to operator behaviour
Make the courses of action in region, it is possible to decrease the radiation dose that operator operate at operating area.
The analog systems of the nuclear power station Radiation Dose Field that the present invention provides, it is only necessary to by limited measured data i.e.
Can the most accurately simulate the radiation dose in radiation areas, it is provided that the distribution of effective dose rate in this region,
Reduce the dose level of radiation that operator are born.
The announcement of book and teaching according to the above description, those skilled in the art in the invention can also be to above-mentioned
Embodiment carries out suitable change and amendment.Therefore, the invention is not limited in disclosed and described above
Some modifications and changes of the present invention be should also be as falling into the guarantor of the claim of the present invention by detailed description of the invention
In the range of protecting.Although additionally, employ some specific terms in this specification, but these terms are simply
Facilitate explanation, the present invention is not constituted any restriction.
Claims (10)
1. the determination method of nuclear power station Radiation Dose Field courses of action, it is characterised in that include walking as follows
Rapid:
Receive operation information in operating area, described operation information include the starting point of operations, operating point and
Terminal；
In described operating area, load 3-dimensional dose field data, form 3-dimensional dose field pattern；
According to described operation information and described 3-dimensional dose field pattern, determine in described Radiation Dose Field
Courses of action.
Method the most according to claim 1, it is characterised in that described method also includes: by described behaviour
Make region is divided into several spatial networks；
Described loading 3-dimensional dose field data in described operating area, forms 3-dimensional dose field pattern concrete
For:
Spatial network in described operating area loads described 3-dimensional dose field data, generates some spaces
Grid 3-dimensional dose field, associates described space lattice 3-dimensional dose field and forms spatial network 3-dimensional dose field distribution
Figure.
Method the most according to claim 2, it is characterised in that described space lattice 3-dimensional dose field is divided
Butut is made up of space with obstacle grid 3-dimensional dose field and clear space grid dosage field；
Described according to described operation information with described 3-dimensional dose field pattern, determine at described Radiation Dose Field
In courses of action step particularly as follows:
According to described operation information, described space with obstacle grid 3-dimensional dose field, described clear space grid
Dosage field, and standardized body dimensions, determine the courses of action in described Radiation Dose Field.
Method the most according to claim 3, it is characterised in that described determine at described radiation dose
Courses of action in Chang are a plurality of, and described method also includes the radiation dose value calculating described a plurality of courses of action,
And show the Optimum Operation path that radiation dose value is minimum.
Method the most according to claim 4, it is characterised in that described 3-dimensional dose field pattern is not by
With effective dose rate level in characterization additional space grid, described Optimum Operation path is highlighted by arranging
Color or change transparency mode characterize.
6. the determination system of nuclear power station Radiation Dose Field courses of action, it is characterised in that including:
Receiver module, is used for receiving operation information in operating area, and described operation information includes operations
Starting point, operating point and terminal；
Load-on module, for loading 3-dimensional dose field data in described operating area, forms 3-dimensional dose field
Scattergram；
Determine module, for according to described operation information and described 3-dimensional dose field pattern, determine described
Courses of action in Radiation Dose Field.
System the most according to claim 6, it is characterised in that described system also includes dividing module,
For described operating area being divided into several spatial networks；
Described load-on module specifically for: the spatial network in described operating area loads described three-dimensional agent
Amount field data, generates some space lattice 3-dimensional dose fields, associates described space lattice 3-dimensional dose field and is formed
Spatial network 3-dimensional dose field pattern.
System the most according to claim 7, it is characterised in that described space lattice 3-dimensional dose field is divided
Butut is made up of space with obstacle grid 3-dimensional dose field and clear space grid dosage field；
Described determine module specifically for: according to described operation information, described space with obstacle grid 3-dimensional dose
Field, described clear space grid dosage field, and standardized body dimensions, determine at described Radiation Dose Field
Interior courses of action.
System the most according to claim 8, it is characterised in that described determine at described radiation dose
Courses of action in Chang are a plurality of, and described system also includes computing module and display module, described computing module
For calculating the radiation dose value of described a plurality of courses of action, described display module display radiation dose value is minimum
Optimum Operation path.
System the most according to claim 9, it is characterised in that described 3-dimensional dose field pattern is not by
With effective dose rate level in characterization additional space grid, described Optimum Operation path is highlighted by arranging
Color or change transparency mode characterize.
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| CN108731689A (en) * | 2018-06-06 | 2018-11-02 | 福建宁德核电有限公司 | Nuclear island of nuclear power station route planning method and device |
| CN109241584A (en) * | 2018-08-17 | 2019-01-18 | 深圳中广核工程设计有限公司 | A kind of nuclear power station 3-dimensional dose field simulation system and its method |
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