CN110426728A - Radiation monitoring system and method - Google Patents
Radiation monitoring system and method Download PDFInfo
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- CN110426728A CN110426728A CN201910788380.2A CN201910788380A CN110426728A CN 110426728 A CN110426728 A CN 110426728A CN 201910788380 A CN201910788380 A CN 201910788380A CN 110426728 A CN110426728 A CN 110426728A
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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
- G01T1/16—Measuring radiation intensity
Abstract
The embodiment provides a kind of radiation monitoring system and method, radiation monitoring system includes: processing module, host computer and multiple monitoring modulars；Host computer and multiple monitoring modulars are electrically connected with processing module, and multiple monitoring modulars are placed in monitored environment；Each monitoring modular is used to be monitored the radioactive substance in environment, obtains radiation data and is sent to processing module；Processing module is used for the radiation data sent according to each monitoring modular, calculates the sum of all radiation datas, obtains global radiation data；Processing module is also used to compare global radiation data and default radiation data, and when global radiation data are greater than default radiation data, global radiation data are sent to host computer to show, even if the radiation in environment is lower, also radioactivity in environment can accurately be monitored, the accuracy shown to radioactive substance is improved.
Description
Technical field
The present invention relates to the field of radiation detection technology, in particular to a kind of radiation monitoring system and method.
Background technique
It will lead to radioactive substance when the loss of the radioactive sources such as industrial, medical and nuclear facilities failure
Leakage, the radioactive substance of leakage by respiratory tract, skin wound, alimentary canal and directly a variety of sides such as can be absorbed by organisms
Formula enters human body, and patient is gently then caused to generate the symptoms such as fatigue, dizzy, insomnia, heavy then lead to that patient is carcinogenic, therefore teratogenesis has
Necessity carries out radioactive substance to the place existed using nuclear facilities.
In the prior art, generally use dose rate instrument and dosage measurement carried out to environment, or using the equipment such as energy disperse spectroscopy into
Row Radionuclides identification；Dose rate instrument response sensitivity is low；Energy disperse spectroscopy needs sample preparation, enrichment, Low background test condition ability
Identification is unable to satisfy Rapid radiating and judges extremely.
Summary of the invention
The present invention provides a kind of radiation monitoring system and methods, to solve in the low environment of content of radioactive substance,
The problem of rapid survey environmental radiation exception.
In a first aspect, the embodiment of the present invention provides a kind of radiation monitoring system, the radiation monitoring system includes: processing mould
Block, host computer and multiple monitoring modulars；The host computer and the multiple monitoring modular are electrically connected with the processing module, institute
Multiple monitoring modulars are stated to be placed in monitored environment；
Each monitoring modular is used to be monitored the radioactive substance in environment, obtains radiation data and is sent to institute
State processing module；
The processing module is used for the radiation data sent according to each monitoring modular, obtains global radiation data；
The processing module is also used to compare the global radiation data with default radiation data, and in total spoke
When penetrating data greater than the default radiation data, the global radiation data are sent to the host computer and are shown, to remind
Administrative staff handle radiation abnormal conditions.
In alternative embodiments, the monitoring modular includes radiation sensor, A/D converter, the first processing
Device and the first communication unit, the processing module include the second communication unit and second processor；It is the radiation sensor, described
A/D converter, the first processor, first communication unit, second communication unit and the second processing
Device is sequentially connected electrically；
The radiation sensor obtains radiation data and is sent to institute for being monitored to the radioactive substance in environment
A/D converter is stated, wherein the radiation data is analog signal；
The A/D converter is used to the radiation data carrying out analog/digital conversion, obtains the radiation number of digital signal
According to and be sent to the first processor；
The first processor is for the radiation data of the digital signal to be packaged, the radiation number after being encapsulated
According to, and the radiation data after the encapsulation is sent at described second by first communication unit and the second communication unit
Manage device；
The second processor is used to parse the radiation data after the radiation data after the encapsulation is parsed.
In alternative embodiments, the monitoring modular further includes power amplification unit, the power amplification unit one
End is electrically connected with the radiation sensor, and the other end is electrically connected with the A/D converter；
Amplified radiation data is sent to described for amplifying the radiation data by the power amplification unit
A/D converter.
In alternative embodiments, the monitoring modular further includes power supply；The power supply and radiation sensor electricity
Connection；
The power supply is used to provide power supply for the radiation sensor.
In alternative embodiments, the processing module is also used to for synchronization signal being sent to each monitoring
Module；
Each monitoring modular is used to monitor the radiation data according to the synchronization signal and be sent to the processing
Module.
Second aspect, the embodiment of the present invention provide a kind of Radiation monitoring method, supervise applied to radiation described in first aspect
Examining system, the radiation monitoring system include: processing module, host computer and multiple monitoring modulars；The host computer and described more
A monitoring modular is electrically connected with the processing module, and the multiple monitoring modular is placed in monitored environment；The side
Method includes:
Each monitoring modular is monitored the radioactive substance in environment, obtains radiation data and is sent to the place
Manage module；
The radiation data that the processing module is sent according to each monitoring modular, obtains global radiation data；
The processing module compares the global radiation data with default radiation data, and in the global radiation data
When greater than the default radiation data, the global radiation data are sent to the host computer and are shown, to remind administrator
Member handles radiation abnormal conditions.
In alternative embodiments, the monitoring modular includes radiation sensor, A/D converter, the first processing
Device and the first communication unit, the processing module include the second communication unit and second processor；It is the radiation sensor, described
A/D converter, the first processor, first communication unit, second communication unit and the second processing
Device is sequentially connected electrically；
Each monitoring modular is monitored the radioactive substance in environment, obtains radiation data and is sent to institute
The step of stating processing module, comprising:
The radiation sensor is monitored the radioactive substance in environment, obtains radiation data and is sent to described
A/D converter, wherein the radiation data is analog signal；
The radiation data is carried out analog/digital conversion by the A/D converter, obtains the radiation data of digital signal simultaneously
It is sent to the first processor；
The radiation data of the digital signal is packaged by the first processor, the radiation data after being encapsulated,
And the radiation data after the encapsulation is sent to the second processing by first communication unit and the second communication unit
Device.
In alternative embodiments, the monitoring modular further includes signal amplification unit, the signal amplification unit one
End is electrically connected with the radiation sensor, and the other end is electrically connected with the A/D converter；
The radiation sensor is monitored the radioactive substance in environment, obtains radiation data and is sent to described
After the step of A/D converter, the method also includes:
Amplified radiation data is sent to described for amplifying the radiation data by the signal amplification unit
A/D converter.
In alternative embodiments, the radiation data that the processing module is sent according to each monitoring modular, meter
The step of calculating the sum of all radiation datas, obtaining global radiation data, comprising:
The second processor parses the radiation data after the encapsulation that each monitoring modular is sent, and is parsed
Radiation data afterwards；
The second processor calculates the sum of the radiation data after all parsings, obtains the global radiation data.
In alternative embodiments, each monitoring modular is monitored the radioactive substance in environment, obtains
Before the step of to radiation data and being sent to the processing module, the method also includes:
Synchronization signal is sent to each monitoring modular by the processing module；
Each monitoring modular monitors the radiation data and is sent to the processing mould according to the synchronization signal
Block.
The embodiment of the present invention the utility model has the advantages that
When needing to radioactive matter monitoring in environment, multiple monitoring modulars are placed in monitored environment, often
A monitoring modular is monitored the radioactive substance in environment, obtains radiation data, and each monitoring modular is by the spoke of acquisition
It penetrates data and is sent to processing module, processing module calculates the sum of the radiation data that each monitoring modular is sent, obtains global radiation
Data compare global radiation data and default radiation data, and when global radiation data are greater than default radiation data, will be total
Radiation data is sent to host computer and is shown, the radiation data that administrative staff show according to host computer, to radiation abnormal conditions
It is handled, in the case where content of radioactive substance is extremely low, a monitoring modular in the prior art is difficult to detect environment
In radioactive substance, and in the application using multiple monitoring modulars to the radioactive substance in same environment simultaneously supervise
It surveys, obtains radiation data, and calculate the sum of the radiation data of each monitoring module monitors, obtain global radiation data, according to total
Radiation data judges with the presence or absence of radioactive substance in environment, even if so that radiation monitoring system provided by the present application is in radioactivity
In the lower substance of content of material, the radiation data of the substance can be also detected, is improved to radioactive substance at host computer
The accuracy of display.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the radiation monitoring system that one embodiment of the invention provides；
Fig. 2 be another embodiment of the present invention provides radiation monitoring system structural schematic diagram；
Fig. 3 is the flow diagram for the Radiation monitoring method that one embodiment of the invention provides；
Fig. 4 be another embodiment of the present invention provides Radiation monitoring method flow diagram；
Fig. 5 be another embodiment of the present invention provides Radiation monitoring method flow diagram.
Icon: 1- radiation monitoring system；10- monitoring modular；110- radiation sensor；120- power supply；The amplification of 130- signal
Unit；140- A/D converter；150- first processor；The first communication unit of 160-；20- processing module；210- second is logical
Believe unit；220- second processor；30- host computer.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if there is the side of the instructions such as term " on ", "lower", "inner", "outside"
Position or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the side usually put
Position or positional relationship, are merely for convenience of description of the present invention and simplification of the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, being only used for distinguishing description if there is term " first ", " second " etc., it is not understood to indicate or imply phase
To importance.
It should be noted that in the absence of conflict, the feature in the embodiment of the present invention can be combined with each other.
Referring to FIG. 1, the application provides a kind of radiation monitoring system, radiation monitoring system 1 include: processing module 20, on
Position machine 30 and multiple monitoring modulars 10.Host computer 30 and multiple monitoring modulars 10 are electrically connected with processing module 20, multiple monitorings
Module 10 is placed in monitored environment.
Processing module 20 is electrically connected with host computer 30 and multiple monitoring modulars 10, which can be the side by bus
Formula, such as can be connected by RS422 bus, it can also be connected by industry ethernet.Specifically, when total using RS422
When line connects, host computer 30 and multiple monitoring modulars 10 are all made of RS422 bus with processing module 20 and connect transmission data；When adopting
When being connected with industry ethernet, host computer 30 and multiple monitoring modulars 10 and processing module 20 are all made of industry ethernet transmission number
According to；It is connected while using the connection of RS422 bus using industry ethernet, i.e., RS422 bus is connect mutually with industry ethernet
To be spare, for example, if host computer 30 and multiple monitoring modulars 10 are all made of RS422 bus with processing module 20 and connect to transmit number
According to, when RS422 bus breaks down, host computer 30 and multiple monitoring modulars 10 and processing module 20 be all made of industry ethernet into
The transmission of row data, conversely, if host computer 30 and multiple monitoring modulars 10 and processing module 20 be all made of industry ethernet connect with
Data are transmitted, when industry ethernet breaks down, host computer 30 and multiple monitoring modulars 10 and processing module 20 are all made of RS422
Bus carries out data transmission.
Processing module 20 is used to synchronization signal being sent to each monitoring modular 10, and wherein synchronization signal is to control each place
Reason module carries out the signal of radiation data acquisition simultaneously.
Each monitoring modular 10 is used to monitor radiation data according to synchronization signal and be sent to processing module 20.
It should be noted that each monitoring modular 10 is acquired radiation data according to synchronization signal simultaneously, to guarantee
The radiation data that processing module 20 receives could characterize the activity of same radioactive substance synchronization.
Each monitoring modular 10 is used to be monitored the radioactive substance in environment, obtains radiation data and is sent to
Processing module 20.
The environment that monitoring modular 10 is placed can be land, water body etc., and wherein land can be medical, industrial, nuclear power station
Deng there may be the air that radioactive substance leaks, water body can be river water, seawater or lake water etc..When monitoring modular 10 monitors land
When radioactive substance in ground environment, it may be mounted at and patrol on measuring car, when monitoring modular 10 monitors the radioactive substance in water body
When, it may be mounted to patrol and survey on ship.When monitoring modular 10 is applied to patrol on measuring car, monitoring modular 10 can be mounted on and patrol measuring car
On the bracket of roof, cause to decay to avoid measuring car car body is patrolled to the radiation intensity of radiant matter, guarantee monitoring modular 10 with to
The air of monitoring environment comes into full contact with, and guarantees the accuracy of the monitoring result of monitoring modular 10.
When monitoring modular 10, which is applied to patrol, to be surveyed on ship, since the substance (such as: metallic iron) of high atomic series is to radiation
The degree of decaying is high, and hull is mostly metallic iron class material, therefore should not be mounted on to patrol multiple monitoring modulars 10 and survey ship
In hull, multiple monitoring modulars 10 can be arranged on the ship side for being mounted on and patrolling and surveying ship, survey ship itself to radioactive material to reduce to patrol
Matter influences caused by decaying.Conversely, the substance (such as: metallic aluminium, Titanium, plastics) of low atomic series decays to radiation signal
Degree it is low, therefore the shell of multiple monitoring modulars 10 can be using the materials such as metallic aluminium, Titanium, plastics, monitoring modular 10
Shell can prevent seawater, river water from entering the inside of monitoring modular 10 to influence the normal work of monitoring modular 10.
Wherein, the radioactive substance that each monitoring modular 10 monitors can be gamma-rays, X-ray etc..
Optionally, stronger due to patrolling the impact strength surveyed and be subject to when ship is advanced in the water bodys such as seawater, river water, and multiple prisons
Survey module 10 is mounted on to patrol and survey on ship, can be in each monitoring modular 10 in order to guarantee that multiple monitoring modulars 10 can work normally
Upper mounting shock absorber.
Processing module 20 be also used to according to each monitoring modular 10 send radiation data, calculate all radiation datas it
With obtain global radiation data.
In addition, a monitoring modular 10 in the prior art detects when the content of radioactive substance is extremely low in the environment
Radiation data it is too low in addition it is unable to monitor go out radiation data, therefore, the present invention is using multiple monitoring modulars 10 to radiation data
It is monitored, the radiation data that each monitoring modular 10 monitors is summed, to avoid right only with a monitoring modular 10
The radiation data that detects caused by radiation data is monitored too it is low even it is unable to monitor go out radiation data the case where.
Processing module 20 is also used to compare global radiation data and default radiation data, and is greater than in global radiation data
When default radiation data, global radiation data are sent to host computer 30 and are shown, to remind administrative staff to the abnormal feelings of radiation
Condition is handled.
Optionally, default radiation data can be pre-set by host computer 30 for administrative staff, or radiation
The background values of the not contaminated environment detected is configured by monitoring system 1, wherein background values be monitoring modular not by
The radiation data detected in the environment of radiation pollution.
Global radiation data are compared with default radiation data, if global radiation data are less than default radiation data, are said
Content of radioactive substance in bright environment is low, does not reach alarm threshold value, and the human body of radioactive material confrontation in this case cannot cause
Injury, if global radiation data are greater than default radiation data, illustrates in environment without showing radiation data by host computer 30
Content of radioactive substance is high, then needs to show radiation data by host computer 30, and administrator is reminded to notice that current radiation is abnormal
Situation, such as default radiation data are 0.3 μ Gy/h (amount of radiation measurement unit, gray(Gy)/hour), if global radiation data are 0.2 μ
When Gy/h, global radiation data are less than default radiation data, then the radiation data of the radioactive substance in environment is low, 0.2 μ Gy/h's
Caused by radiation data is environment size selective sampling, not up to alarm threshold value can be without reporting；If global radiation data are 0.5 μ
When Gy/h, global radiation data are greater than preset alarm threshold value, then the radiation data in environment is higher, it is understood that there may be radioactive substance
Leakage, current radiation data need to be monitored, the radiation data detected are sent to host computer 30 and is shown, to remind
Administrative staff handle radiation abnormal conditions, for example, it includes to radiation that administrative staff, which carry out processing to radiation abnormal conditions,
It searches etc. in source.
Optionally, host computer 30 can be, but be not limited to DP-MMI type host computer 30, IPC-610 type industrial personal computer etc..
In radiation monitoring system provided by the present application, each monitoring modular supervises the radioactive substance in environment
It surveys, obtains radiation data and be sent to processing module, processing module calculates the sum of the radiation data that each monitoring modular is sent, and obtains
Radiation data always is obtained, global radiation data and preset alarm threshold value are compared, content of radioactive substance is lower in the environment
When, the radiation data of radioactive substance in environment is monitored using a monitoring modular in the prior art, it is difficult to monitor
Radiation data, and the application is monitored radioactive substance using multiple monitoring modulars, collects according to each monitoring modular
Radiation data, calculate global radiation data, when global radiation data are greater than default radiation data, illustrate the radiation data in environment
It is larger, then global radiation data are sent to host computer and shown, reminds administrative staff to handle radiation abnormal conditions, i.e.,
When making that content of radioactive substance is lower in the environment, the radiation data of radioactive substance can be also detected, radiation data is improved
The accuracy of monitoring.
Referring to FIG. 2, each monitoring modular 10 include radiation sensor 110, power supply 120, signal amplification unit 130,
A/D converter 140, first processor 150 and the first communication unit 160, processing module 20 include the second communication unit 210
And second processor 220.Power supply 120, radiation sensor 110, signal amplification unit 130, at A/D converter 140, first
Reason device 150, the first communication unit 160, the second communication unit 210 and second processor 220 are sequentially connected electrically.
Power supply 120 be used for in monitoring modular 10 radiation sensor 110, power supply 120, signal amplification unit 130, mould/
Number converting unit 140, first processor 150 and the first communication unit 160 provide power supply.Optionally, power supply 120 can be
At least one of power supply adaptor and battery.
As an implementation, power supply 120 can select power supply adaptor, in power supply adaptor and monitoring modular 10
Radiation sensor 110, power supply 120, signal amplification unit 130, A/D converter 140, first processor 150 and first are logical
Letter unit 160 is electrically connected.The alternating current of 220V is converted into sense for the radiation in monitoring modular 10 by power supply adaptor
Device 110, power supply 120, signal amplification unit 130, A/D converter 140, first processor 150 and the first communication unit 160
The DC power supply of power supply.
In other embodiments of the present invention, battery can also be connected into battery pack to provide DC power supply by power supply 120.
Radiation sensor 110 obtains radiation data and is sent to letter for being monitored to the radioactive substance in environment
Number amplifying unit 130, wherein radiation data is analog signal.
Optionally, radiation sensor 110 can be, but be not limited to NaI crystal probe, Plastic scintillation body sensor, this
The explanation for carrying out radiation data test process in embodiment with NaI crystal probe, specifically, NaI crystal probe includes NaI
The radiation signal of radioactive substance is converted to optical signal by crystal and photomultiplier tube, NaI crystal, and photomultiplier tube collects light
Signal, and collected optical signal is converted to electric signal (voltage signal or current signal), collected electric signal is simulation
Signal, electric signal are the collected radiation data of radiation sensor 110.
Amplified radiation data is sent to analog/digital conversion for amplifying radiation data by signal amplification unit 130
Unit 140.
In the lower environment of content of radioactive substance, collected radiation data is smaller, i.e., collected electric signal is
Faint electric signal, signal have decaying during transmission, to prevent radiation data complete before incoming processing module 20
It is attenuated, therefore is amplified collected radiation data entirely by signal amplification unit 130.
Optionally, signal amplification unit 130 can be, but be not limited to signal amplifier, such as: A2161 type power amplification
Device, ATA2000 type power amplifier, ATA3000 type power amplifier etc..
A/D converter 140 is used to radiation data carrying out analog/digital conversion, obtains the radiation data of digital signal simultaneously
It is sent to first processor 150.
It should be noted that needing to convert analog signal since first processor 150 cannot directly handle analog signal
It could directly be handled by first processor 150 at digital signal, it is therefore desirable to pass through A/D converter 140 for analog signal
Radiation data be converted to the radiation data of digital signal.
Optionally, first processor 150 can be a kind of IC chip, have signal handling capacity.Above-mentioned place
Reason device can be general processor, including central processing unit (Central Processing Unit, CPU), network processing unit
(Network Processor, NP), speech processor and video processor etc.；It can also be digital signal processor, dedicated
It is integrated circuit, field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete
Hardware component.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.General procedure
Device can be microprocessor or first processor 150 is also possible to any conventional processor etc..
Optionally, A/D converter 140 can be, but be not limited to A/D converter, such as AD7478 type analog/digital turns
Parallel operation, AD9200 type A/D converter, AD7862 type A/D converter.
First processor 150 is for the radiation data of digital signal to be packaged, the radiation data after being encapsulated, and
Radiation data after encapsulation is sent to second processor 220 by the first communication unit 160 and the second communication unit 210.
The radiation data of digital signal is packaged by first processor 150, by the corresponding radiation sensor of radiation data
Number or address code add in the information of the radiation data comprising digital signal so that encapsulation after radiation data in wrap
It includes the radiation data of the digital signal after the conversion of A/D converter 140 and the corresponding radiation of radiation data is sensed
The number of device 110 or address.
Second processor 220 is used to parse the radiation data after the radiation data after encapsulating is parsed.
Radiation data after the parsing encapsulation of second processor 220, that is, the radiation data after encapsulation is identified, is obtained
The radiation data of digital signal, and number or address to the corresponding radiation sensor of radiation data 110, according to number or ground
Location corresponding can know the working condition of each radiation sensor 110.
Optionally, second processor 220 can be a kind of IC chip, have signal handling capacity.Second processing
Device 220 can be general processor, including central processing unit (Central Processing Unit, CPU), network processing unit
(Network Processor, NP), speech processor and video processor etc.；It can also be digital signal processor, dedicated
It is integrated circuit, field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete
Hardware component.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.General procedure
Device can be microprocessor or second processor 220 is also possible to any conventional processor etc..
The working principle of radiation monitoring system provided by the invention is: same by the radiation sensor in each monitoring modular
When the radioactive substance in same environment is tested, obtain radiation data, by the radiation data of acquisition by signal amplification
Unit carries out the amplification of power, obtains amplified radiation data, amplified radiation data is converted by A/D converter
The radiation data of digital signal, and the radiation data of digital signal is packaged by first processor, after being encapsulated
Radiation data is simultaneously sent to second processor by the first communication unit and the second communication unit, after second processor parsing encapsulation
Radiation data, the radiation data after being parsed, the sum of the radiation data after calculating all parsings, obtain global radiation data,
Global radiation data are compared with default radiation data, global radiation data are greater than default radiation data, then by global radiation data
It is sent to host computer to be shown, to remind administrative staff to handle radiation abnormal conditions.
As shown in figure 3, the application also provides a kind of Radiation monitoring method, it is applied to Radiation monitoring system as in Figure 1 and Figure 2
System, Radiation monitoring method include:
S101, each monitoring modular are monitored the radioactive substance in environment, obtain radiation data and are sent to
Processing module.
Wherein, multiple monitoring modulars 10 can be arranged in environment to be monitored, while to the radioactivity in environment
Substance is monitored, such as is monitored to the gamma-rays in environment.Multiple monitoring modulars 10 can be applied to air, water body etc. and put
The monitoring of penetrating property substance.
The radiation data that S102, processing module are sent according to each monitoring modular, calculates the sum of all radiation datas, obtains
Global radiation data.
It should be noted that when the content of radioactive substance is extremely low in the environment, spoke that a monitoring modular 10 detects
It is too low to penetrate data, or even radiation data cannot be tested out, therefore, radiation data is tested using multiple monitoring modulars 10,
The radiation data that each monitoring modular 10 is tested is summed, to avoid only with a monitoring modular 10 to radiation data into
The case where radiation data detected caused by row test is too low and cannot test out radiation data.
S103, processing module compare global radiation data and default radiation data, and are greater than in advance in global radiation data
If when radiation datas, global radiation data being sent to host computer and are shown, with remind administrative staff to radiation abnormal conditions into
Row processing.
Optionally, default radiation data can be pre-set by host computer 30 for administrative staff, or radiation
The background values tested out is configured by monitoring system 1, it should be noted that background values is not by the environment of radiation pollution
In the radiation data that tests out.Such as default radiation data is 0.3 μ Gy/h, and if global radiation data are 0.2 μ Gy/h, global radiation
Data are less than default radiation data, then the radioactive substance in environment is low, can be without display；If global radiation data are 0.4 μ
When Gy/h, global radiation data are greater than default radiation data, then the radioactive substance in environment is higher, need to be monitored, then will survey
The radiation data tried out is sent to host computer 30 and is shown, to remind administrative staff to handle radiation abnormal conditions, example
Such as, it includes searching radiation source, controlling the common people of radiation areas that administrative staff, which handle to radiation abnormal conditions,
Treat or be isolated etc..
As shown in figure 4, the application provides another Radiation monitoring method, step S101 includes:
S101-1, radiation sensor test the radioactive substance in environment, obtain radiation data and be sent to mould/
Number converting unit, wherein radiation data is analog signal.
Optionally, radiation sensor 110 can be, but be not limited to NaI crystal probe, Plastic scintillation body sensor, this
The explanation for carrying out radiation data test process in embodiment with NaI crystal probe, specifically, NaI crystal probe includes NaI
Crystal and photomultiplier tube, NaI crystal are electrically connected with photomultiplier tube, and NaI crystal converts the radiation signal of radioactive substance
For optical signal, photomultiplier tube collects optical signal, and collected optical signal is converted to electric signal (voltage signal or electric current
Signal), collected electric signal is analog signal, and electric signal is the collected radiation data of radiation sensor 110.
Amplified radiation data is sent to analog/digital for amplifying radiation data by S101-2, signal amplification unit
Converting unit.
In the lower environment of content of radioactive substance, collected radiation data is smaller, i.e., collected electric signal is
Faint electric signal, signal have decaying during transmission, to prevent radiation data complete before incoming processing module 20
It is attenuated, therefore is amplified collected radiation data entirely by signal amplification unit 130.
Radiation data is carried out analog/digital conversion by S101-3, A/D converter, obtains the radiation data of digital signal simultaneously
It is sent to first processor.
It should be noted that needing to convert analog signal since first processor 150 cannot directly handle analog signal
It could directly be handled by first processor 150 at digital signal, it is therefore desirable to pass through A/D converter 140 for analog signal
Radiation data be converted to the radiation data of digital signal.
The radiation data of digital signal is packaged by S101-4, first processor, the radiation data after being encapsulated, and
Radiation data after encapsulation is sent to second processor by the first communication unit and the second communication unit.
It should be noted that the radiation data of digital signal is packaged by first processor 150, so that the spoke after encapsulation
It includes the radiation data of digital signal after the conversion of A/D converter 140 in data and corresponding to radiation data for penetrating
Radiation sensor 110 number or address.
Step S102, comprising:
S102-1, second processor parse the radiation data after the encapsulation that each monitoring modular is sent, after being parsed
Radiation data.
Radiation data after the parsing encapsulation of second processor 220 obtains the radiation data of digital signal, and to radiation number
Number or address according to corresponding radiation sensor 110 corresponding can know each radiation sensor according to number or address
110 working condition.
S102-2, second processor calculate the sum of the radiation data after all parsings, obtain global radiation data.
As shown in figure 5, before step S101, the method also includes:
Synchronization signal is sent to each monitoring modular by S104, second processor.
Step S101, comprising:
S101a, each monitoring modular monitor radiation data and are sent to processing module according to synchronization signal.
In conclusion radiation monitoring system provided in an embodiment of the present invention and method, multiple monitoring modulars are placed in monitored
Environment in, each monitoring modular tests the radioactive substance in environment, obtains radiation data, each monitoring modular
The radiation data of acquisition is sent to processing module, processing module calculates the sum of the radiation data that each monitoring modular is sent,
Global radiation data are obtained, global radiation data and default radiation data are compared, and are greater than default radiation in global radiation data
When data, global radiation data are sent to host computer and are shown, the radiation data that administrative staff show according to host computer, to spoke
It penetrates abnormal conditions to be handled, in the case where content of radioactive substance is extremely low, a monitoring modular in the prior art is difficult to
The radioactive substance in environment is tested out, and it is same to the radioactive substance in same environment using multiple monitoring modulars in the application
Shi Jinhang test, obtains radiation data, and calculates the sum of the radiation data of each monitoring modular test, obtains global radiation number
According to foundation global radiation data judge with the presence or absence of radioactive substance in environment, so that radiation monitoring system provided by the present application is
Make also test out the radiation data of the substance in the lower substance of content of radioactive substance, improve to radioactive substance
The accuracy of test.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those skilled in the art, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of radiation monitoring system, which is characterized in that the radiation monitoring system includes: processing module, host computer and multiple
Monitoring modular；The host computer and the multiple monitoring modular are electrically connected with the processing module, the multiple monitoring modular
It is placed in monitored environment；
Each monitoring modular is used to be monitored the radioactive substance in environment, obtains radiation data and is sent to the place
Manage module；
The processing module is used for the radiation data sent according to each monitoring modular, obtains global radiation data；
The processing module is also used to compare the global radiation data with default radiation data, and in the global radiation number
When according to being greater than the default radiation data, the global radiation data being sent to the host computer and are shown, to remind management
Personnel handle radiation abnormal conditions.
2. radiation monitoring system according to claim 1, which is characterized in that the monitoring modular include radiation sensor,
A/D converter, first processor and the first communication unit, the processing module include the second communication unit and second processing
Device；The radiation sensor, the A/D converter, the first processor, first communication unit, described second
Communication unit and the second processor are sequentially connected electrically；
The radiation sensor is for being monitored the radioactive substance in environment, obtaining radiation data and being sent to described
A/D converter, wherein the radiation data is analog signal；
The A/D converter is used to the radiation data carrying out analog/digital conversion, obtains the radiation data of digital signal simultaneously
It is sent to the first processor；
The first processor is for the radiation data of the digital signal to be packaged, the radiation data after being encapsulated,
And the radiation data after the encapsulation is sent to the second processing by first communication unit and the second communication unit
Device；
The second processor is used to parse the radiation data after the radiation data after the encapsulation is parsed.
3. radiation monitoring system according to claim 2, which is characterized in that the monitoring modular further includes that signal amplification is single
Member, described signal amplification unit one end are electrically connected with the radiation sensor, and the other end is electrically connected with the A/D converter
It connects；
The signal amplification unit for the radiation data to be amplified, and by amplified radiation data be sent to the mould/
Number converting unit.
4. radiation monitoring system according to claim 2, which is characterized in that the monitoring modular further includes power supply；It is described
Power supply is electrically connected with the radiation sensor；
The power supply is used to provide power supply for the radiation sensor.
5. radiation monitoring system according to claim 1, which is characterized in that the processing module is also used to synchronization signal
It is sent to each monitoring modular；
Each monitoring modular is used to monitor the radiation data according to the synchronization signal and be sent to the processing mould
Block.
6. a kind of Radiation monitoring method, which is characterized in that radiation monitoring system includes: processing module, host computer and multiple monitorings
Module；The host computer and the multiple monitoring modular are electrically connected with the processing module, and the multiple monitoring modular is set
In monitored environment；The described method includes:
Each monitoring modular is monitored the radioactive substance in environment, obtains radiation data and is sent to the processing mould
Block；
The radiation data that the processing module is sent according to each monitoring modular, obtains global radiation data；
The processing module compares the global radiation data with default radiation data, and is greater than in the global radiation data
When the default radiation data, the global radiation data are sent to the host computer and are shown, to remind administrative staff couple
Radiation abnormal conditions are handled.
7. Radiation monitoring method according to claim 6, which is characterized in that the monitoring modular include radiation sensor,
A/D converter, first processor and the first communication unit, the processing module include the second communication unit and second processing
Device；The radiation sensor, the A/D converter, the first processor, first communication unit, described second
Communication unit and the second processor are sequentially connected electrically；
Each monitoring modular is monitored the radioactive substance in environment, obtains radiation data and is sent to the place
The step of managing module, comprising:
The radiation sensor is monitored the radioactive substance in environment, obtains radiation data and is sent to the analog/digital
Converting unit, wherein the radiation data is analog signal；
The radiation data is carried out analog/digital conversion by the A/D converter, obtains the radiation data of digital signal and transmission
To the first processor；
The radiation data of the digital signal is packaged by the first processor, the radiation data after being encapsulated, and will
Radiation data after the encapsulation is sent to the second processor by first communication unit and the second communication unit.
8. Radiation monitoring method according to claim 7, which is characterized in that the monitoring modular further includes that signal amplification is single
Member, described signal amplification unit one end are electrically connected with the radiation sensor, and the other end is electrically connected with the A/D converter
It connects；
The radiation sensor is monitored the radioactive substance in environment, obtains radiation data and is sent to the analog/digital
After the step of converting unit, the method also includes:
The signal amplification unit for the radiation data to be amplified, and by amplified radiation data be sent to the mould/
Number converting unit.
9. Radiation monitoring method according to claim 7, which is characterized in that the processing module is according to each monitoring
The radiation data that module is sent, the step of calculating the sum of all radiation datas, obtain global radiation data, comprising:
The second processor parses the radiation data after the encapsulation that each monitoring modular is sent, after being parsed
Radiation data；
The second processor calculates the sum of the radiation data after all parsings, obtains the global radiation data.
10. Radiation monitoring method according to claim 6, which is characterized in that each monitoring modular is in environment
Radioactive substance the step of being monitored, obtaining radiation data and be sent to the processing module before, the method is also wrapped
It includes:
Synchronization signal is sent to each monitoring modular by the processing module；
Each monitoring modular is used to be monitored the radioactive substance in environment, obtains radiation data and is sent to institute
The step of stating processing module, comprising:
Each monitoring modular monitors the radiation data and is sent to the processing module according to the synchronization signal.
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