CN106772531B - A kind of Emergency radiological monitoring and notification system simplified suitable for high temperature nuclear reactor off site emergency - Google Patents
A kind of Emergency radiological monitoring and notification system simplified suitable for high temperature nuclear reactor off site emergency Download PDFInfo
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- CN106772531B CN106772531B CN201611117084.2A CN201611117084A CN106772531B CN 106772531 B CN106772531 B CN 106772531B CN 201611117084 A CN201611117084 A CN 201611117084A CN 106772531 B CN106772531 B CN 106772531B
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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
- G01T1/1603—Measuring radiation intensity with a combination of at least two different types of detector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
- G01T1/14—Electrostatic dosimeters
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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
- G01T1/185—Measuring radiation intensity with ionisation chamber arrangements
Abstract
The present invention discloses a kind of Emergency radiological monitoring and notification system simplified suitable for high temperature nuclear reactor off site emergency comprising: monitoring terminal monitors the radiation intensity around the high temperature gas cooled reactor；Processing server is arranged near the high temperature gas cooled reactor, connect with the monitoring terminal, receives the monitoring signals of the monitoring terminal and is handled；Policy server is connect with the processing server, is received treated monitoring signals and is issued decision order；Mobile terminal is connect with the processing server, receives the notification signal of the processing server；Instruction terminal is connect with the processing server, is received the indication signal of the processing server and is made instruction.In this way, it is only necessary to setting a small amount of monitoring terminal near region in nuclear power plant or outside nuclear power plant, monitoring range is small, and usage quantity is few so that whole system be related to using cost tail off and entire emergency system constitutes simple, using flexible.
Description
Technical field
The present invention relates to nuclear power station emergence technology fields, and in particular to a kind of emergency simplified suitable for high temperature nuclear reactor off site emergency
Radiation monitoring and notification system.
Background technique
High temperature nuclear reactor, i.e. high temperature gas cooled reactor are that a kind of core technologically advanced, that safety is good, widely used, promising is anti-
Heap is answered, with the difference of reactor fuel structure type, is broadly divided into prism-shaped fuel element high temperature nuclear reactor and spheric fuel element high temperature
Heap.High temperature gas cooled reactor uses full ceramic coatings granular fuel element, and full ceramic stack core structure designs are made cold of inert gas helium
But agent can provide high temperature helium.Reactor has good inherent safety, and full ceramic coatings granular fuel element can be in high temperature
Under be still able to maintain good performance, even if losing coolant, reactor core also can export heat by the natural law, and fuel will not surpass
Temperature is burnt, it may be said that is a kind of reactor of no core meltdown possibility, safety is high.Various countries are carrying out high temperature gas cooled reactor heap
While ontology is studied, the power generation of Temperature Gas-cooled Reactor Helium Gas Turbine direct circulation is also carried out and the application of high temperature Nuclear processing heat is ground
Study carefully, the design of industrial project is carried out using the concept of the modular high temperature gas cooled reactor with inherent safety, has very extensive
Development prospect.
But from the angle of the protection public and environment, we still need to the operating status of high temperature gas cooled reactor into
Row supervision, so that appropriate emergency response can be made when high temperature gas cooled reactor ambient radiation intensity is abnormal variation.High temperature
The high security feature of air cooled reactor may make ambient radiation in its accident be chronically at low-level, and high temperature nuclear reactor transient response is slow
Slowly, this emergency response for allowing for high temperature gas cooled reactor allows the time long.In this case, if meeting an urgent need related system still
Using traditional design philosophy, system cost and its demand are mismatched, while causing social resources to waste, it is also possible to introduce not
Necessary core is panic.Therefore, the system for developing a kind of simplification suitable for high temperature nuclear reactor off site emergency is asking for current urgent need to resolve
Topic.
In view of the above drawbacks, creator of the present invention obtains the present invention by prolonged research and practice finally.
Summary of the invention
To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, provides one kind and answers outside the venue suitable for high temperature nuclear reactor
Suddenly simplified Emergency radiological monitoring and notification system comprising:
Terminal is monitored, is monitored in the high temperature gas cooled reactor nuclear power plant and/or the radiation intensity of surrounding；Processing server,
It is arranged in the high temperature gas cooled reactor nuclear power plant or nearby, connect with the monitoring terminal, reception it is described monitor terminal prison
It surveys signal and is handled；
Policy server is connect with the processing server, receives treated monitoring signals and according to decision
Issue action command；
Mobile terminal is connect with the processing server, receives the notification signal of the processing server；
Instruction terminal is connect with the processing server, is received the indication signal of the processing server and is made finger
Show and notices.
Preferably, the monitoring terminal includes fixed nuclear radiation monitoring device, the fixed nuclear radiation monitoring device fixed setting
In the high temperature gas cooled reactor nuclear power plant or near, connect with the processing server by signal wire.
Preferably, monitoring end-probing precision is high, in nuclear power plant or outside nuclear power plant, near region is circumferentially.
Preferably, the fixed nuclear radiation monitoring device includes: aerosol detection unit, ionic activity probe unit and processing
Unit, the aerosol detection unit detect the radioaerosol concentration in air；The ionic activity probe unit detection
The intensity of radioactive ray in air；The processing unit and the aerosol detection unit and ionic activity probe unit connect
It connects, the intensity of radioaerosol concentration and radioactive ray is handled, obtain the actual emanations intensity in current environment.
Preferably, the monitoring terminal includes vehicle-mounted nuclear radiation monitoring device, it is arranged in the high temperature gas cooled reactor nuclear power plant
Patrol formula monitoring is carried out outside interior or factory.
Preferably, the monitoring terminal includes UAV system nuclear radiation monitoring device, to the high temperature gas cooled reactor nuclear power plant outside
Ambient enviroment is monitored.
Preferably, the processing server is individual host.
Preferably, the policy server is large-scale data center, connected with the processing server by communication network
It connects.
Preferably, the monitoring terminal includes self-propelled nuclear radiation monitoring device, pass through with the processing server wireless
Mode connects.
Preferably, further including standby server, the standby server is connect with the processing server by signal wire,
Share the data of the processing server.
Preferably, the policy server includes signal detection module；The signal detection module is serviced to the processing
Device sends heartbeat packet, and records sending instant, while receiving the processing server and receive and reversely sending after the heartbeat packet
Return packet corresponding with the heartbeat packet, and the time of reception is recorded, and according to the sending instant of record and the time of reception
Calculate communication quality；The policy server is connect when the communication quality is bad with the standby server, is communicated.
Wherein, MiIt is determined by following formula:
xi=xi2-xi1
Wherein, xi1For the sending instant of i-th of heartbeat packet, xi2For i-th of heartbeat packet corresponding time of reception for returning to packet, xi
For the intercycle of i-th of heartbeat packet, D is normal interval, MiFor the judgement factor of i-th of heartbeat packet, n is to send heartbeat packet
Sum, P are communication quality.
Compared with the prior art the beneficial effects of the present invention are: provide it is a kind of suitable for high temperature nuclear reactor off site emergency simplify answering
Anxious Radiation monitoring and notification system, in this way, can be taken when high temperature gas cooled reactor ambient radiation intensity is abnormal variation appropriate
Contingency operation；Only need a small amount of monitoring terminal of near region in nuclear power plant or outside nuclear power plant (i.e. near nuclear power plant) setting, prison
Survey that range is small, and usage quantity is few so that whole system be related to using cost and the social resources of occupancy tail off, and entire emergency
Radiation monitoring and notification system are constituted simply, and using flexible, monitoring range is small, such processing server data to be treated
It accordingly tails off, improves the processing speed of data,；The lesser feature of good for high temperature gas cooled reactor safety, possible burst size,
System provides high-precision activity-sensing equipment, can identify that the trace-level activity level that could possibly be higher than background increases, and cooperate
The Comprehensive Evaluation of policy server can make appropriate sound when high temperature gas cooled reactor ambient radiation intensity is abnormal variation
It answers, to instruct contingency operation；And whole system be related to using social resources it is less, contingency operation is suitable for not only reducing pair
The occupancy of social resources, also improves the accuracy of emergency response, protect to the maximum extent nearby staff or other people
The safety of group.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution in various embodiments of the present invention
The attached drawing used is briefly described.
Fig. 1 is the schematic diagram that the present invention is suitable for the Emergency radiological monitoring that high temperature nuclear reactor off site emergency simplifies and notification system；
Fig. 2 is that the present invention is suitable for the Emergency radiological monitoring of high temperature nuclear reactor off site emergency simplification and showing for notification system embodiment 8
It is intended to.
Specific embodiment
Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.
High temperature gas cooled reactor has good inherent safety, even if losing coolant, reactor core can also rely on the natural law
Export heat, fuel will not overtemperature burn, it may be said that be a kind of reactor of no core meltdown possibility, safety is high.This
Sample, high temperature gas cooled reactor require the reaction speed of Emergency radiological monitoring and notification system smaller.And existing Emergency radiological monitoring with
Notification system is primarily directed to compacted clay liners, and this reactor once loses coolant, it is possible in a short time
Develop into more serious accident, such as core meltdown, therefore the corresponding Emergency radiological monitoring of this reactor and notification system
It is fast to require reaction, so as to withdraw the periphery masses rapidly, therefore, it is not it that whether structure is complicated, whether cost is high
First Consideration.But to high temperature gas cooled reactor, if still taking this kind of Emergency radiological monitoring and notification system,
Reaction speed, cost for having etc. can be significantly larger than the actual demand of high temperature gas cooled reactor, cause the serious waste of social resources etc..
Therefore, it is necessary to develop a kind of simple, flexible, cost is small Emergency radiological monitoring and notification system, should be walked rapidly with reducing
The dynamic unnecessary core fear that may cause and resource input.
Embodiment 1
As shown in Figure 1, a kind of Emergency radiological monitoring and notification system simplified suitable for high temperature nuclear reactor off site emergency comprising:
Terminal 1 is monitored, near region in the high temperature gas cooled reactor nuclear power plant or outside nuclear power plant is set, to monitor the high temperature
The radiation intensity of near region in air cooled reactor nuclear power plant or outside nuclear power plant；
Processing server 2 is arranged in the high temperature gas cooled reactor nuclear power plant, connect with the monitoring terminal 1, receives institute
It states the monitoring signals of monitoring terminal 1 and is handled；
Policy server 3 is connect with the processing server 2, is received treated monitoring signals and is issued and determines
Plan order；
Mobile terminal 4 is connect with the processing server 2, receives the notification signal of the processing server 2；
Instruction terminal 5 is connect with the processing server 2, is received the indication signal of the processing server 2 and is made
Instruction and notice.
In this way, when normal operation, monitoring terminal 1 be deployed in the high temperature gas cooled reactor nuclear power plant or outside nuclear power plant it is close
Area is monitored the environmental radiation intensity in high temperature gas cooled reactor nuclear power plant or around nuclear power plant, and monitoring signals is sent to
Processing server 2；Processing server 2 is sent to policy server 3 and carries out decision after handling monitoring signals；Decision service
Device 3 is large data processing center, and to treated, monitoring signals are analyzed, and determine threat level and the threat of radiation intensity
Range, then the scheme that makes decisions after being combined with other related indications in power plant, and decision order is sent to processing server
2；It after processing server 2 receives decision order, gives notice signal to the mobile terminal 4 being related to, issues and indicate to instruction terminal 5
Signal；The holder of mobile terminal 4 executes contingency operation after receiving notice as per advice, and instruction terminal 5 receives instruction letter
Instruction is issued after number, assists the implementation of related contingency operation.
In this way, appropriate contingency operation can be taken when high temperature gas cooled reactor ambient radiation intensity is abnormal variation；Only
The a small amount of monitoring terminal of near region in nuclear power plant or outside nuclear power plant (i.e. near nuclear power plant) setting is needed, monitoring range is small, uses
Quantity is few so that whole system be related to using cost and the social resources of occupancy tail off, and entire Emergency radiological monitoring and logical
Announcement system is constituted simply, and using flexible, monitoring range is small, and such processing server data to be treated also accordingly tail off, and mentions
The high processing speed of data, therefore the occupancy to social resources is not only reduced, the accuracy of emergency response is also improved, most
Protect to limits the safety of neighbouring staff.
Embodiment 2
The as described above Emergency radiological monitoring and notification system for being suitable for high temperature nuclear reactor off site emergency and simplifying, the present embodiment with
The difference is that the monitoring terminal 1 includes fixed nuclear radiation monitoring device, it is arranged in nuclear power plant and/or nuclear power plant
Near region is monitored nuclear radiation degree.High temperature gas cooled reactor is due to its own advantage, surrounding radiation level and radioactivity
Level of pollution is lower, and numerical value change is small, and general simple nuclear radiation monitoring device is difficult its specific value of accurate measurements.The fixation
Nuclear radiation monitoring device is arranged on the ground, does not need to be moved, therefore high-precision instrument can be set inside it, so that right
Nuclear radiation level and the detection accuracy of radioactive contamination level are high, can accurately identify lower radiation water around high temperature gas cooled reactor
The variation of flat or radioactive contamination level to improve the accuracy of monitoring, and then improves entire Emergency radiological monitoring and notice
The accuracy of the emergency response of system.
The monitoring terminal 1 can also comprise at least one of the following: vehicle-mounted nuclear radiation monitoring device, UAV system nuclear radiation prison
Survey device, self-propelled nuclear radiation monitoring device, hand-held nuclear radiation monitoring device；Wherein, the vehicle-mounted nuclear radiation monitoring device, UAV system
Nuclear radiation monitoring device, self-propelled nuclear radiation monitoring device, hand-held nuclear radiation monitoring device can be used as the fixed nuclear radiation monitoring
The supplement of device makes up the loophole because of the fixed immovable bring monitoring range of nuclear radiation monitoring device, improves the standard of monitoring data
True property and comprehensive, and then improve the accuracy of the emergency response of entire Emergency radiological monitoring and notification system.
Vehicle-mounted nuclear radiation monitoring device, conveniently moving, while can be to haulage vehicle by vehicle GPS alignment system
It is positioned in real time, acquisition real time data and combining geographic location information drafting progress nucleic Activity Calculation, easy to use, positioning
Accurately.
UAV system nuclear radiation monitoring device is able to enter the unapproachable radiation areas of ground staff and detects,
Fast slowdown monitoring regional radiation nucleic type and nuclear radiation dosage.Meanwhile also can be carried out the resource in complicated landform area with
And environment activity Aerial photography；By airborne solar panel power supply system, equipment can work long hours without load
The heart is continued a journey problem, and the picture that ground staff shoots according to aerial camera, can freely control unmanned plane to target area into
Row detection.
Self-propelled nuclear radiation monitoring device can realize the quick radioactivity prison in nuclear radiation region under the control of the controller
It surveys, to work instead of technical staff in nuclear radiation concentration upper zone.
Hand-held nuclear radiation monitoring device can be monitored by staff is hand-held, and figure is small and exquisite, easy to carry.
Preferably, the monitoring terminal 1 only includes fixed nuclear radiation monitoring device, and the fixed nuclear radiation monitoring device fixation is set
It sets near high temperature gas cooled reactor, the nuclear radiation degree in environment is monitored, in this way, being supervised to the radiation near high temperature gas cooled reactor
Degree of testing the speed is fast, and precision is high, and it is fewer only to need around high temperature gas cooled reactor (nuclear power plant in and/or outside nuclear power plant near region) to be arranged
The fixed nuclear radiation monitoring device of amount, quantity is few, and expense is low, to reduce entire Emergency radiological monitoring and notice system
The cost of system
Preferably, the monitoring terminal 1 further includes vehicle-mounted nuclear radiation monitoring device, is arranged in the fixed nuclear radiation monitoring
Patrol formula monitoring is carried out on the outside of device, is since in the environment for being slightly away from the high temperature gas cooled reactor, nuclear radiation is unexpected in this way
The probability increased becomes smaller, and vehicle-mounted nuclear radiation monitoring device, which is arranged, can reduce (the fixed nuclear radiation monitoring of monitoring terminal 1 for needing to be arranged
Device) quantity, the scale of Emergency radiological monitoring and notification system is reduced, so that entire Emergency radiological monitoring and notification system structure
It is simpler, and reduce costs, reduce the occupancy to social resources.
Preferably, the monitoring terminal 1 further includes UAV system nuclear radiation monitoring device, in this way, can be in fixed nuclear radiation
Monitor and/or vehicle-mounted nuclear radiation monitoring device are quickly rushed to abnormal area when monitoring to radiate exception and are monitored, not only can be with
It is monitored by the radiation to abnormal point peripheral region to improve the accuracy of Radiation monitoring, and then by increasing abnormal point week
Environs radiation monitoring data are enclosed to improve the accuracy to radiation areas and radiation intensity judgement.
In this way, fixed nuclear radiation monitoring device is arranged around high temperature gas cooled reactor, (if monitoring terminal 1 further includes vehicle-mounted
Nuclear radiation monitoring device) vehicle-mounted nuclear radiation monitoring device is arranged in the outer ring of fixed nuclear radiation monitoring device, patrol formula monitoring is carried out, it is right
The region that fixed nuclear radiation monitoring device can not cover is gone on patrol；Once fixation nuclear radiation monitoring device (or vehicle-mounted nuclear radiation prison
Survey device) monitor that nuclear radiation in environment is excessive or suddenly change, (if monitoring terminal 1 further includes unmanned plane nuclear radiation monitoring
Device) UAV system nuclear radiation monitoring device is then set out rapidly to the environment progress nuclear radiation monitoring near abnormal point, and number will be monitored
It is handled according to processing server 2 is transferred to, finally by the various information of the comprehensive power plant of Police Command Center, passes through policy server 3
Send corresponding emergency policy.
Wherein, fixed nuclear radiation monitoring device is connect with the processing server 2 by signal wire, in this way can it is in office when
Quarter can quickly and accurately transmit signal.
Wherein, vehicle-mounted nuclear radiation monitoring device, UAV system nuclear radiation monitoring device and processing server 2 wirelessly connect
It connects, such conveniently moving.
Preferably, the monitoring terminal 1 further includes self-propelled nuclear radiation monitoring device, in this way, can occur in abnormal data
When and abnormal point can not by it is aerial close when, it is close by the self-propelled nuclear radiation monitoring device and to abnormal point ambient enviroment into
Row nuclear radiation monitoring.
In this way, fixed nuclear radiation monitoring device is arranged around high temperature gas cooled reactor, (if monitoring terminal 1 further includes vehicle-mounted
Nuclear radiation monitoring device) vehicle-mounted nuclear radiation monitoring device is arranged in the outer ring of fixed nuclear radiation monitoring device, patrol formula monitoring is carried out, it is right
The region that fixed nuclear radiation monitoring device can not cover gone on patrol (if monitoring terminal 1 does not include vehicle-mounted nuclear radiation monitoring device, and
Including self-propelled nuclear radiation monitoring device, self-propelled nuclear radiation monitoring device, which also can be used, can not cover fixed nuclear radiation monitoring device
Region gone on patrol)；Once fixed nuclear radiation monitoring device (or vehicle-mounted nuclear radiation monitoring device) monitors the core spoke in environment
Excessive or suddenly change is penetrated, then sets out self-propelled nuclear radiation monitoring device rapidly and nuclear radiation prison is carried out to the environment near abnormal point
It surveys, and monitoring data is transferred to processing server 2 and are handled, finally by the various information of the comprehensive power plant of Police Command Center, lead to
It crosses policy server 3 and sends corresponding emergency policy
The self-propelled nuclear radiation monitoring device is wirelessly connect with processing server 2, such conveniently moving.
Embodiment 3
When some production links and accident of high temperature gas cooled reactor all radionuclide, radioactive nucleus can be discharged to ambient enviroment
Element can release different rays, can form external exposure to human body.It, can shape when radionuclide is adsorbed by the suspended matter in atmosphere
At radioaerosol.The aerodynamic diameter of radioaerosol is small, has the characteristics that not easily settled, can suspend for a long time
In air.Radioaerosol mainly enters human body by the respiration of people, and causes interior irradiation to human body.Into people
The radionuclide of body is not easy to be discharged, even if personnel leave radiation areas and environment, but still can into intracorporal radionuclide
The radiation (especially long-life alpha radionuclide) of duration is caused to body.
Therefore, the as described above Emergency radiological monitoring and notification system that are suitable for high temperature nuclear reactor off site emergency and simplify, this reality
It applies in place of example is different from and is, the fixed nuclear radiation monitoring device includes: aerosol detection unit, ionic activity probe unit
And processing unit, the aerosol detection unit detect the radioaerosol concentration in air；The ionic activity detection is single
The intensity of radioactive ray in member detection air；The processing unit and the aerosol detection unit and ionic activity detect
Unit connection, handles the intensity of radioaerosol concentration and radioactive ray, obtains the practical spoke in current environment
Penetrate intensity.
Wherein, the ionic activity probe unit is used to detect the radiation dose rate or intergal dose rate of various radioactive ray,
Its ray type detected includes: one of α, β, γ, X-ray or a variety of.
Wherein, the radioaerosol sample and concentration in the ionic activity probe unit acquisition air.
In this way, the fixed nuclear radiation monitoring device can pass through the intensity to radioaerosol concentration and radioactive ray
Monitoring, prepare measurement current environment in actual emanations intensity, to make emergency response personnel take just in emergency response
The means of defence of true anti-interior irradiation and external exposure.Pass through nuclear accident known to the analysis to the radioaerosol sample in environment
The information such as the radionuclide type of release, partial size, concentration.These information can be used for assessing radiation environment to the danger of staff
Evil degree, and then foundation is provided to the Emergency decision of nuclear accident.And the device be it is fixed, sampling flow is big, and sampling efficiency is high
And long-time continuous sampling can be carried out, to improve the emergency efficiency and accuracy of Emergency radiological monitoring and notification system, and save
Cost is saved.
Embodiment 4
The as described above Emergency radiological monitoring and notification system for being suitable for high temperature nuclear reactor off site emergency and simplifying, the present embodiment with
The difference is that the instruction terminal 5 includes externally issuing instruction information after broadcast facility receives the indication signal.
In this way, broadcast facility is implemented by sound notification emergency response personnel after the instruction terminal 5 receives indication signal
Contingency operation；The contingency operation of emergency response personnel can be made to implement so more effective.
The instruction terminal 5 further includes electronics directional sign, is lighted after receiving the indication signal, to emergency response
Personnel indicate.In this way, being lighted after receiving indication signal using electronics directional sign, improves the electronics direction and refer to
Show the visibility of board, reduces at night or visibility is not high influence of the external environment to emergency when being met an urgent need.
Embodiment 5
The as described above Emergency radiological monitoring and notification system for being suitable for high temperature nuclear reactor off site emergency and simplifying, the present embodiment with
The difference is that the mobile terminal 4 is mobile phone, the processing server 2 is connect with mobile phone by communication network, is being answered
Mobile phone when anxious into radiation areas sends message and is notified.In this way, can make emergency notice that can notify to hold hand
The people of machine improves emergency notice to the coverage rate of emergency response personnel.
Preferably, the processing server 2 can also be notified by dialing the mobile phone in radiation areas, in this way may be used
Emergency notification information can be received in real time to ensure to hold the people of mobile phone.
Embodiment 6
The as described above Emergency radiological monitoring and notification system for being suitable for high temperature nuclear reactor off site emergency and simplifying, the present embodiment with
The difference is that the processing server 2 is individual host, in this way, it is possible to reduce Emergency radiological monitoring and notification system
The social resources of occupancy.
The policy server 3 is large-scale data center, is connect with the processing server 2 by communication network, this
Sample can carry out decision-making treatment by data of the policy server 3 to multiple high temperature gas cooled reactor or other field, in this way may be used
Policy server 3 is used for the otherwise processing of other high temperature gas cooled reactor or society at the non-emergency moment, save to society
The occupancy of resource, while as large-scale data center, monitoring data can fast and accurately be judged, improve emergency
Accuracy and emergency reaction speed.
Embodiment 7
The as described above Emergency radiological monitoring and notification system for being suitable for high temperature nuclear reactor off site emergency and simplifying, the present embodiment with
The difference is that the policy server 3 receives the monitoring data that the processing server 2 is sent, to the prison
Measured data determines radiation level and coverage after being handled, and then provides support for emergency rating decision.
The policy server 3 includes radiation level analysis module, protective action model building module, response activities planning
Module；Wherein, the radiation level analysis module receives the monitoring data that the processing server 2 is sent, to the prison
Measured data carries out processing post analysis and determines radiation level and coverage, provides support for emergency rating decision；The protection row
Movable model is established module and is determined when needing to take the corresponding region personnel of early stage protective action in the emergency status levels, builds
Vertical local integration model, road network evacuation model and season environment module, calculate road capacity and routing information；The sound
It answers action planning module to go out action plan based on the calculated result decision of the model building module, and decision recommendation is provided, supply
Decision order is issued after decision-maker's decision.
Wherein, the protective action model building module is based on the space headway theoretical calculation emergency evacuation region road Nei Meitiao
The capacity on road defines possibility evacuation path and vehicle population in emergency evacuation region based on statistical data.Emergency evacuation area road
Netting the departure time is capacity of the vehicle number to be withdrawn divided by each path.By season environmental model according to meteorological condition and congestion
Condition optimizes calculated result.
Protective action model is mainly used for withdrawing personnel unrelated with emergency in field, thus guarantee the public (with answer
Anxious unrelated personnel) life security.
Embodiment 8
The as described above Emergency radiological monitoring and notification system for being suitable for high temperature nuclear reactor off site emergency and simplifying, the present embodiment with
The difference is that:
The safety of high temperature gas cooled reactor is very high, but we are there is still a need for exercising supervision to the operating status of high temperature gas cooled reactor,
High temperature gas cooled reactor is generally possible without core meltdown, therefore the emergency response of corresponding Emergency radiological monitoring and notification system
Time can suitably lengthen, but appropriate lengthen is only the reality for existing Emergency radiological monitoring and notification system
On be still to need to be responded in a short period of time.In actual treatment, due to processing server and policy server
Apart from far, therefore using being wirelessly connected, in this case, once high temperature gas cooled reactor nearby occur local nuclear radiation increase or
Leakage handles very may be used not in time at this time if the wireless signal in the region signal strength occurs not enough or connects unsmooth problem
Loss difficult to the appraisal can be brought to normal emergency.
To solve this problem, as shown in Fig. 2, the Emergency radiological monitoring suitable for high temperature gas cooled reactor and notification system also
Including standby server 6, the standby server 6 is connect with the processing server 2 by data line, shares the processing clothes
The data of business device 2.
The policy server 3 includes signal detection module, and the signal detection module is sent to the processing server 2
Heartbeat packet, and record sending instant；Receive simultaneously the processing server 2 receive reversely send after the heartbeat packet with the heart
It jumps and wraps corresponding return packet, and record the time of reception；The signal detection module is according to the sending instant of record and described
The time of reception calculates communication quality, and the policy server 3 connects when the communication quality is bad with the standby server 6
It connects, is communicated.
In this way, the policy server 3 can enable active service when processing server 2 can not carry out normal communication
Device 6 is communicated, and be will not influence the decision of policy server 3 and the normal publication of decision order in this way, is also avoided nothing
Line communication is unstable to lose to contingency operation bring, so as to quickly meet an urgent need, handles in time.
The calculation formula of the communication quality are as follows:
Wherein, MiIt is determined by following formula:
xi=xi2-xi1
Wherein, xi1For the sending instant of i-th of heartbeat packet, xi2For i-th of heartbeat packet corresponding time of reception for returning to packet, xi
For the intercycle of i-th of heartbeat packet, D is normal interval, MiFor the judgement factor of i-th of heartbeat packet, n is to send heartbeat packet
Sum, P are communication quality.
Wherein, D is constant, is set according to actual conditions.
Basic ideas are as follows: first calculate heartbeat packet intercycle, then according to the ratio of normal interval and intercycle to
Lower rounding obtains the judgement factor of heartbeat packet；It is all to judge the ratio between the sum of factor and heartbeat packet sum for required communication quality.
It has the beneficial effect that setting normal interval, can be by adjusting normal interval come the intercycle for determining heartbeat packet
No is admissible, if intercycle is less than normal interval, be it is admissible, intercycle be greater than or equal to it is normal between
Every not allowing then；The judgement factor is converted to by being rounded downwards, then if it is admissible, decision content is greater than 0
Positive integer；If it is what is do not allowed, decision content 0, and intercycle is smaller, judges that the factor is also bigger；By to judge because
Son summation, by with heartbeat packet ratio of number be required communication quality, judgement factor pair within the allowable range can be eliminated
The influence of communication quality；And communication quality is bigger, indicates that the communication speed between two working nodes is faster；In this way, by should
Formula can directly obtain the communication quality of policy server 3 and processing server 2, and formula is simple, and convenience of calculation is quick, save
System resource.
The foregoing is merely presently preferred embodiments of the present invention, is merely illustrative for the purpose of the present invention, and not restrictive
's.Those skilled in the art understand that in the spirit and scope defined by the claims in the present invention many changes can be carried out to it,
It modifies or even equivalent, but falls in protection scope of the present invention.
Claims (8)
1. a kind of Emergency radiological monitoring and notification system simplified suitable for high temperature nuclear reactor off site emergency characterized by comprising
Terminal is monitored, near region in the high temperature gas cooled reactor nuclear power plant or outside nuclear power plant is set, it is described high temperature gas-cooled to monitor
The radiation intensity of near region in heap nuclear power plant or outside nuclear power plant；
Processing server is arranged in the high temperature gas cooled reactor nuclear power plant, connect with the monitoring terminal, receive the monitoring
The monitoring signals of terminal are simultaneously handled；
Policy server is connect with the processing server, is received treated monitoring signals and is issued decision order；
Mobile terminal is connect with the processing server, receives the notification signal of the processing server；
Instruction terminal is connect with the processing server, receive the indication signal of the processing server and make instruction with
Notice；
Standby server, the standby server are connect with the processing server by signal wire, and the processing service is shared
The data of device；
The policy server includes signal detection module；The signal detection module sends heartbeat to the processing server
Packet, and records sending instant, at the same receive the processing server receive reversely send after the heartbeat packet with the heartbeat packet
Corresponding return packet, and the time of reception is recorded, and communication matter is calculated according to the sending instant of record and the time of reception
Amount；The policy server is connect when the communication quality is bad with the standby server, is communicated.
2. the Emergency radiological monitoring and notification system that simplify as described in claim 1 suitable for high temperature nuclear reactor off site emergency, feature
It is, the monitoring terminal includes fixed nuclear radiation monitoring device, and the fixed nuclear radiation monitoring device is fixed at the high temperature
In air cooled reactor nuclear power plant and/or nuclear power plant near region is connect with the processing server by signal wire.
3. the Emergency radiological monitoring and notification system that simplify as claimed in claim 2 suitable for high temperature nuclear reactor off site emergency, feature
It is, the fixed nuclear radiation monitoring device includes: aerosol detection unit, ionic activity probe unit and processing unit, described
Aerosol detection unit detects the radioaerosol concentration in air；Putting in the ionic activity probe unit detection air
The intensity of penetrating property ray；The processing unit is connect with the aerosol detection unit and ionic activity probe unit, to radiation
The intensity of property aerosol concentration and radioactive ray is handled, and the radiation intensity in current environment is obtained.
4. the Emergency radiological monitoring and notification system that simplify as described in claim 1 suitable for high temperature nuclear reactor off site emergency, feature
Be, the monitoring terminal includes vehicle-mounted nuclear radiation monitoring device, setting in the high temperature gas cooled reactor nuclear power plant or outside factory into
The monitoring of row patrol formula.
5. being suitable for the Emergency radiological monitoring and notice system that high temperature nuclear reactor off site emergency simplifies as described in any in claim 1-4
System, which is characterized in that the processing server is individual host.
6. the Emergency radiological monitoring and notification system that simplify as claimed in claim 5 suitable for high temperature nuclear reactor off site emergency, feature
It is, the policy server is large-scale data center, is connect with the processing server by communication network.
7. being suitable for the Emergency radiological monitoring and notice system that high temperature nuclear reactor off site emergency simplifies as described in any in claim 1-4
System, which is characterized in that the monitoring terminal includes self-propelled nuclear radiation monitoring device, passes through wireless parties with the processing server
Formula connection.
8. being suitable for the Emergency radiological monitoring and notice system that high temperature nuclear reactor off site emergency simplifies as described in any in claim 1-4
System, which is characterized in that the calculation formula of the communication quality are as follows:
Wherein, MiIt is determined by following formula:
xi=xi2-xi1
Wherein, xi1For the sending instant of i-th of heartbeat packet, xi2For i-th of heartbeat packet corresponding time of reception for returning to packet, xiIt is
The intercycle of i heartbeat packet, D are normal interval, MiFor the judgement factor of i-th of heartbeat packet, n is the total of transmission heartbeat packet
Number, P is communication quality.
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| CN110119878B (en) * | 2019-04-09 | 2022-12-16 | 华能山东石岛湾核电有限公司 | Risk guidance decision-making method suitable for temporary change of specific power plant |
| CN110850463A (en) * | 2019-10-09 | 2020-02-28 | 岭澳核电有限公司 | Nuclear power station radioactivity monitoring method and device, control terminal and monitoring system |
| CN113311470B (en) * | 2021-05-27 | 2023-01-10 | 华能山东石岛湾核电有限公司 | Ionizing radiation measuring device and measuring method thereof |
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