CN106772531A - A kind of Emergency radiological monitoring and notification system for being suitable to the simplification of high temperature nuclear reactor off site emergency - Google Patents
A kind of Emergency radiological monitoring and notification system for being suitable to the simplification of high temperature nuclear reactor off site emergency Download PDFInfo
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- CN106772531A CN106772531A CN201611117084.2A CN201611117084A CN106772531A CN 106772531 A CN106772531 A CN 106772531A CN 201611117084 A CN201611117084 A CN 201611117084A CN 106772531 A CN106772531 A CN 106772531A
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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
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Abstract
The present invention discloses a kind of Emergency radiological monitoring and notification system for being suitable to the simplification of high temperature nuclear reactor off site emergency, and it includes：Monitoring terminal, the radiation intensity around its described HTGR of monitoring；Processing server, it is arranged near the HTGR, is connected with the monitoring terminal, is received the monitoring signals of the monitoring terminal and is processed；Policy server, it is connected with the processing server, and the monitoring signals after reception processing simultaneously issue decision-making order；Mobile terminal, it is connected with the processing server, receives the notification signal of the processing server；Instruction terminal, it is connected with the processing server, receives the indication signal of the processing server and makes instruction.So, it is only necessary to which near region sets a small amount of monitoring terminal in nuclear power plant or outside nuclear power plant, monitoring range is small, and usage quantity is few so that the cost that whole system is directed to use with is tailed off and whole emergency system is constituted simply, using flexible.
Description
Technical field
The present invention relates to nuclear power station emergence technology field, and in particular to a kind of to be suitable to the emergent of high temperature nuclear reactor off site emergency simplification
Radiation monitoring and notification system.
Background technology
High temperature nuclear reactor, i.e. HTGR, are that good, widely used, the promising core of a kind of advanced technology, security is anti-
Heap is answered, with the difference of reactor fuel structure type, prism-shaped fuel element high temperature nuclear reactor and spheric fuel element high temperature is broadly divided into
Heap.HTGR uses full ceramic coatings granular fuel element, and full ceramic stack core structure designs do cold with 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 remain to keep good performance, even if losing cooling agent, reactor core also can derive heat by the natural law, and fuel will not surpass
Temperature is burnt, it may be said that be a kind of reactor without core meltdown possibility, and security is high.Various countries are carrying out HTGR heap
While ontology is studied, the generating of Temperature Gas-cooled Reactor Helium Gas Turbine direct circulation is also carried out and high temperature Nuclear processing heat application has been ground
Study carefully, the design of industrial project is carried out using the concept of the MHTR with inherent safety, with widely
Development prospect.
But, from the protection public and the angle of environment, we still need to enter the running status of HTGR
Row supervision, so that when HTGR ambient radiation intensity occurs abnormal variation, appropriate emergency response can be made.High temperature
Ambient radiation is chronically at low-level during the high security feature of HTGR may cause its accident, and high temperature nuclear reactor transient response is slow
Slowly, this emergency response for allowing for HTGR allows the time long.In this case, if meeting an urgent need related system still
Using traditional design philosophy, system cost is mismatched with its demand, while causing social resources to waste, it is also possible to introduced not
Necessary core is panic.Therefore, a kind of system of the simplification for being suitable to high temperature nuclear reactor off site emergency is worked out, is asking for current urgent need to resolve
Topic.
In view of drawbacks described above, creator of the present invention passes through prolonged research and practice obtains the present invention finally.
The content of the invention
To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, there is provided one kind is suitable to high temperature nuclear reactor and outside the venue should
The anxious Emergency radiological monitoring and notification system for simplifying, it includes：
Monitoring terminal, in its described HTGR nuclear power plant of monitoring and/or surrounding radiation intensity；Processing server,
It is arranged in the HTGR nuclear power plant or near, be connected with the monitoring terminal, receive the prison of the monitoring terminal
Survey signal and processed；
Policy server, it is connected with the processing server, monitoring signals after reception processing and according to decision-making
Issue action command；
Mobile terminal, it is connected with the processing server, receives the notification signal of the processing server；
Instruction terminal, it is connected with the processing server, receives the indication signal of the processing server and makes finger
Show and notice.
Preferably, the monitoring terminal includes fixed nuclear radiation monitoring device, the fixed nuclear radiation monitoring device is fixedly installed
In the HTGR nuclear power plant or near, be connected by holding wire with the processing server.
Preferably, monitoring terminal detection accuracy 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 treatment
Unit, the radioaerosol concentration in the aerosol detection unit detection air；The ionic activity probe unit detection
The intensity of the radioactive ray in air；The processing unit connects with the aerosol detection unit and ionic activity probe unit
Connect, the intensity to radioaerosol concentration and radioactive ray is processed, obtain the actual emanations intensity in current environment.
Preferably, the monitoring terminal includes vehicle-mounted nuclear radiation monitoring device, it is arranged on the HTGR nuclear power plant
Patrol formula monitoring is carried out outside interior or factory.
Preferably, the monitoring terminal include UAV system nuclear radiation monitoring device, to the HTGR nuclear power plant outside
Surrounding environment is monitored.
Preferably, the processing server is individual host.
Preferably, the policy server is large-scale data center, it is connected with the processing server by communication network
Connect.
Preferably, the monitoring terminal includes self-propelled nuclear radiation monitoring device, it is with the processing server by wireless
Mode is connected.
Preferably, also including standby server, the standby server is connected with the processing server by holding wire,
Share the data of the processing server.
Preferably, the policy server includes signal detection module；The signal detection module is serviced to the treatment
Device sends heartbeat packet, and records delivery time, while receiving the processing server receives what is reversely sent after the heartbeat packet
It is corresponding with the heartbeat packet to return to bag, and the time of reception is recorded, and the delivery time according to record and the time of reception
Calculate communication quality；The policy server is connected when the communication quality is not good with the standby server, is communicated.
Wherein, MiDetermined by following formula：
xi=xi2-xi1
Wherein, xi1It is i-th delivery time of heartbeat packet, xi2For i-th heartbeat packet correspondence returns to the time of reception wrapped, xi
It is i-th intercycle of heartbeat packet, D is normal interval, MiIt is i-th judgement factor of heartbeat packet, n is to send heartbeat packet
Sum, P is communication quality.
Compared with the prior art the beneficial effects of the present invention are：Offer is a kind of to be suitable to answering for high temperature nuclear reactor off site emergency simplification
Anxious Radiation monitoring and notification system, so, can take appropriate when HTGR ambient radiation intensity occurs abnormal variation
Contingency operation；Only need near region in nuclear power plant or outside nuclear power plant (i.e. the vicinity of nuclear power plant) that a small amount of monitoring terminal, prison are set
Survey scope is small, and usage quantity is few so that the cost and the social resources of occupancy that whole system is directed to use with tail off, and whole emergent
Radiation monitoring and notification system constitute simple, and using flexible, monitoring range is small, and such processing server needs data to be processed
Accordingly tail off, improve the processing speed of data,；For HTGR security is good, the possible less feature of burst size,
System provides high-precision activity-sensing equipment, is capable of identify that the trace-level activity level that could possibly be higher than background is raised, and coordinate
The Comprehensive Evaluation of policy server, appropriate sound can be made when HTGR ambient radiation intensity occurs abnormal variation
Should, to instruct contingency operation；And social resources that whole system is directed to use with are less, contingency operation is suitable, and it is right to not only reduce
The occupancy of social resources, also improves the accuracy of emergency response, protect to greatest extent nearby staff or other people
The safety of group.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in various embodiments of the present invention, below will be to being wanted needed for embodiment description
The accompanying drawing for using is briefly described.
Fig. 1 is that the present invention is suitable to the Emergency radiological monitoring of high temperature nuclear reactor off site emergency simplification and the schematic diagram of notification system；
Fig. 2 is that the present invention is suitable to 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 accompanying drawing, the technical characteristic above-mentioned and other to the present invention and advantage are described in more detail.
HTGR has good inherent safety, even if losing cooling agent, reactor core can also rely on the natural law
Derive heat, fuel will not overtemperature burn, it may be said that be a kind of reactor without core meltdown possibility, security is high.This
Sample, HTGR is smaller with the reaction speed requirement of notification system to Emergency radiological monitoring.And existing Emergency radiological monitoring with
Notification system is primarily directed to compacted clay liners, and this reactor once loses cooling agent, it is possible in a short time
Develop into than more serious accident, such as core meltdown, therefore the corresponding Emergency radiological monitoring of this reactor and notification system
Require that reaction is fast, so as to the periphery masses are withdrawn rapidly, therefore, whether whether complicated, cost is high for structure, is not it
First Consideration.But, to HTGR, if still taking this kind of Emergency radiological monitoring and notification system, then its
Reaction speed, cost for having etc. can be significantly larger than the actual demand of HTGR, cause the serious waste of social resources etc..
Accordingly, it would be desirable to work out a kind of simple, Emergency radiological monitoring and notification system that flexible, cost is small, should be walked rapidly with reducing
Dynamic possible caused unnecessary core fear and resource input.
Embodiment 1
As shown in figure 1, a kind of Emergency radiological monitoring and notification system for being suitable to the simplification of high temperature nuclear reactor off site emergency, it includes：
Monitoring terminal 1, it is arranged in the HTGR nuclear power plant or near region outside nuclear power plant, to monitor the high temperature
The radiation intensity of near region in HTGR nuclear power plant or outside nuclear power plant；
Processing server 2, it is arranged in the HTGR nuclear power plant, is connected with the monitoring terminal 1, receives institute
State the monitoring signals of monitoring terminal 1 and processed；
Policy server 3, it is connected with the processing server 2, the monitoring signals after reception processing and issue determine
Plan order；
Mobile terminal 4, it is connected with the processing server 2, receives the notification signal of the processing server 2；
Instruction terminal 5, it is connected with the processing server 2, receives the indication signal of the processing server 2 and makes
Indicate and notice.
So, during normal operation, monitoring terminal 1 be deployed in the HTGR nuclear power plant or outside nuclear power plant it is near
Area, is monitored, and monitoring signals are sent to the environmental radiation intensity in HTGR nuclear power plant or around nuclear power plant
Processing server 2；Processing server 2 is sent to policy server 3 and carries out decision-making after processing monitoring signals；Decision service
Device 3 is large data processing center, and the monitoring signals after treatment are analyzed, and determines threat level and the threat of radiation intensity
Scope, then the scheme that made decisions after other related indications in power plant are combined, and decision-making order is sent to processing server
2；After processing server 2 receives decision-making order, the mobile terminal 4 to being related to is given notice signal, and instruction is sent to instruction terminal 5
Signal；The holder of mobile terminal 4 performs contingency operation as per advice after receiving notice, and instruction terminal 5 receives instruction letter
Instruction is sent after number, the implementation of related contingency operation is assisted.
So, appropriate contingency operation can be taken when HTGR ambient radiation intensity occurs abnormal variation；Only
Need near region (i.e. the vicinity of nuclear power plant) in nuclear power plant or outside nuclear power plant that a small amount of monitoring terminal is set, monitoring range is small, uses
Quantity is few so that the cost and the social resources of occupancy that whole system is directed to use with tail off, and whole Emergency radiological monitoring with it is logical
Announcement system constitutes simple, and using flexible, monitoring range is small, and such processing server needs data to be processed also accordingly to tail off, and carries
The processing speed of data high, 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 staff nearby.
Embodiment 2
The as described above Emergency radiological monitoring and notification system for being suitable to the simplification of high temperature nuclear reactor off site emergency, the present embodiment with
Its difference is that the monitoring terminal 1 includes fixed nuclear radiation monitoring device, and it is arranged in nuclear power plant and/or nuclear power plant
Near region, is monitored to nuclear radiation degree.HTGR is due to the advantage of its own, radiation level and radioactivity around it
Level of pollution is relatively low, and numerical value change is small, and general simple nuclear radiation monitoring device is difficult accurate measurements its concrete numerical values.The fixation
Nuclear radiation monitoring device is set on the ground, it is not necessary to move, therefore high-precision instrument can be set inside it so that be right
The detection accuracy of nuclear radiation level and radioactive contamination level is high, can accurately identify radiation water relatively low around HTGR
The change of flat or radioactive contamination level, so as to improve the accuracy of monitoring, and then improves whole Emergency radiological monitoring with notice
The accuracy of the emergency response of system.
The monitoring terminal 1 can also include following at least one：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 as the fixed nuclear radiation monitorings
The supplement of device, makes up because of the leak of the fixed nuclear radiation monitoring immovable monitoring range for bringing of device, improves the standard of Monitoring Data
True property and comprehensive, and then improve the accuracy of whole Emergency radiological monitoring and the emergency response of notification system.
Vehicle-mounted nuclear radiation monitoring device, its conveniently moving, while can be to haulage vehicle by vehicle GPS alignment system
Positioned in real time, simultaneously combining geographic location information drafting carries out nucleic Activity Calculation to collection real time data, easy to use, positioning
Accurately.
UAV system nuclear radiation monitoring device, it can enter into the unapproachable radiation areas of ground staff and be detected,
The fast monitored regional radiation nucleic species and nuclear radiation dosage.Meanwhile, can also carry 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 and need not carry on a shoulder pole
Heart continuation of the journey problem, and the picture that ground staff shoots according to aerial camera, can freely control unmanned plane to enter target area
Row detection.
Self-propelled nuclear radiation monitoring device, the quick radioactivity prison that it can under the control of the controller realize nuclear radiation region
Survey, be operated in nuclear radiation concentration upper zone with instead of technical staff..
Hand-held nuclear radiation monitoring device, can be monitored by staff is hand-held, and build is compact, easy to carry.
Preferably, the monitoring terminal 1 only includes fixed nuclear radiation monitoring device, and the fixed nuclear radiation monitoring device is fixed and set
Put near HTGR, the nuclear radiation degree in environment is monitored, so, to the radiation prison near HTGR
Degree of testing the speed is fast, high precision, and only needs around HTGR (in nuclear power plant and/or outside nuclear power plant near region) to set fewer
The described fixed nuclear radiation monitoring device of amount, quantity is few, and expense is low, is with notice so as to reduce whole Emergency radiological monitoring
The cost of system
Preferably, the monitoring terminal 1 also includes vehicle-mounted nuclear radiation monitoring device, and it is arranged on the fixed nuclear radiation monitoring
Patrol formula monitoring is carried out on the outside of device, is so because in the environment of the HTGR is slightly away from, nuclear radiation is unexpected
The probability for increasing diminishes, and setting vehicle-mounted nuclear radiation monitoring device can reduce (the fixed nuclear radiation monitoring of monitoring terminal 1 for needing to set
Device) quantity, reduce the scale of Emergency radiological monitoring and notification system so that whole Emergency radiological monitoring and notification system structure
It is simpler, and cost is reduced, reduce the occupancy to social resources.
Preferably, the monitoring terminal 1 also includes UAV system nuclear radiation monitoring device, so, can be in fixed nuclear radiation
It is quick when monitor and/or vehicle-mounted nuclear radiation monitoring device monitor to radiate exception to arrive in abnormal area and be monitored, not only can be with
It is monitored by the radiation to abnormity point peripheral region to improve the accuracy of Radiation monitoring, and then by increasing abnormity point week
Environs radiation monitoring data are enclosed to improve the accuracy for judging radiation areas and radiation intensity.
So, fixed nuclear radiation monitoring device is arranged on around HTGR, (if monitoring terminal 1 is also including 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 cannot be covered 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 also includes unmanned plane nuclear radiation monitoring
Device) UAV system nuclear radiation monitoring device is then set out rapidly that nuclear radiation monitoring is carried out to the environment near abnormity point, and number will be monitored
Processed according to processing server 2 is transferred to, finally by the various information of Police Command Center synthesis power plant, by policy server 3
Send corresponding emergency policy.
Wherein, fixed nuclear radiation monitoring device is connected with the processing server 2 by holding wire, so can with 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
Connect, such conveniently moving.
Preferably, the monitoring terminal 1 also includes self-propelled nuclear radiation monitoring device, so, can occur in abnormal data
When and abnormity point cannot by it is aerial close when, by the self-propelled nuclear radiation monitoring device close to and abnormity point surrounding environment entered
Row nuclear radiation monitoring.
So, fixed nuclear radiation monitoring device is arranged on around HTGR, (if monitoring terminal 1 is also including 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 cannot be covered gone on patrol (if monitoring terminal 1 does not include vehicle-mounted nuclear radiation monitoring device, and
Including self-propelled nuclear radiation monitoring device, it is also possible to fixed nuclear radiation monitoring device cannot be covered using self-propelled 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 set out self-propelled nuclear radiation monitoring device rapidly carries out nuclear radiation prison to the environment near abnormity point
Survey, and Monitoring Data is transferred to processing server 2 and process, finally by the various information of Police Command Center synthesis power plant, lead to
Cross policy server 3 and send corresponding emergency policy
The self-propelled nuclear radiation monitoring device is wirelessly connected with processing server 2, such conveniently moving.
Embodiment 3
All radionuclide, radioactive nucleus can be discharged when some production links and accident of HTGR to surrounding environment
Element can discharge different rays, can form external exposure to human body.When radionuclide is adsorbed by the suspension in air, can shape
Into radioaerosol.The aerodynamic diameter of radioaerosol is small, the characteristics of with not free settling, can suspend for a long time
In atmosphere.Radioaerosol mainly enters human body by the respiration of people, and interior irradiation is caused to human body.Into people
The radionuclide of body is difficult discharge, even if personnel leave radiation areas and environment, but still can into internal radionuclide
The radiation (particularly long-life alpha radionuclide) of continuation is caused to body.
Therefore, the as described above Emergency radiological monitoring and notification system that are suitable to the simplification of high temperature nuclear reactor off site emergency, this reality
It is that the fixed nuclear radiation monitoring device includes to apply example and be different from part：Aerosol detection unit, ionic activity probe unit
And processing unit, the radioaerosol concentration in the aerosol detection unit detection air；The ionic activity detection is single
The intensity of the radioactive ray in unit's detection air；The processing unit is detected with the aerosol detection unit and ionic activity
Unit is connected, and the intensity to radioaerosol concentration and radioactive ray is processed, and obtains the actual spoke in current environment
Penetrate intensity.
Wherein, the ionic activity probe unit is used for detecting the radiation dose rate or intergal dose rate of various radioactive ray,
The ray type of its detection includes：One or more in α, β, γ, X-ray.
Wherein, the radioaerosol sample and concentration in the ionic activity probe unit collection air.
So, the fixed nuclear radiation monitoring device can be by the intensity to radioaerosol concentration and radioactive ray
Monitoring, prepare to determine the actual emanations intensity in current environment, so as to making emergency response personnel take just in emergency response
True anti-interior irradiation and the means of defence of external exposure.Nuclear accident is understood by the analysis to the radioaerosol sample in environment
The information such as radionuclide species, particle diameter, the concentration of release.These information can be used to assess danger of the radiation environment to staff
Evil degree, and then to the Emergency decision offer foundation of nuclear accident.And the device is fixed, sampling flow is big, and sampling efficiency is high
And long-time continuous sampling can be carried out, so as to improve the emergent 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 to the simplification of high temperature nuclear reactor off site emergency, the present embodiment with
Its difference is that the instruction terminal 5 includes that broadcast facility externally issues configured information after receiving the indication signal.
So, after the instruction terminal 5 receives indication signal, broadcast facility is implemented by sound notification emergency response personnel
Contingency operation；Can so cause that the contingency operation of emergency response personnel is implemented more effectively.
The instruction terminal 5 also includes electronics directional sign, and it is lighted after receiving the indication signal, to emergency response
Personnel are indicated.So, lighted after indication signal is received using electronics directional sign, improve the electronics direction and refer to
Show the visibility of board, reduce at night or visibility is not high influence of the external environment to meeting an urgent need when carrying out emergent.
Embodiment 5
The as described above Emergency radiological monitoring and notification system for being suitable to the simplification of high temperature nuclear reactor off site emergency, the present embodiment with
Its difference is that the mobile terminal 4 is mobile phone, and the processing server 2 is connected by communication network with mobile phone, is being answered
Message is sent when anxious to the mobile phone in radiation areas to be notified.So, can allow that emergent notice notifies to hold hand
The people of machine, improves the emergent coverage rate notified to emergency response personnel.
Preferably, the processing server 2 can also be notified by the mobile phone dialed in radiation areas, so may be used
To ensure that the people for holding mobile phone can in real time receive emergent announcement information.
Embodiment 6
The as described above Emergency radiological monitoring and notification system for being suitable to the simplification of high temperature nuclear reactor off site emergency, the present embodiment with
Its difference is that the processing server 2 is individual host, so, 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, and it is connected with the processing server 2 by communication network, this
Sample, can carry out decision-making treatment by the data of the multiple HTGRs of policy server 3 pairs or other field, so may be used
It is used for other HTGRs or social otherwise treatment at the non-emergency moment with by policy server 3, saves to society
The occupancy of resource, while as large-scale data center, can fast and accurately be judged Monitoring Data, improves what is met an urgent need
Accuracy and emergency reaction speed.
Embodiment 7
The as described above Emergency radiological monitoring and notification system for being suitable to the simplification of high temperature nuclear reactor off site emergency, the present embodiment with
Its difference is that the policy server 3 receives the Monitoring Data of the transmission of the processing server 2, to the prison
Survey after data are processed and determine radiation level and coverage, and then for emergency rating decision-making provides support.
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 sends, to the prison
Survey data carry out treatment post analysis and determine radiation level and coverage, for emergency rating decision-making provides support；The protection row
When movable model sets up module and determines to need the respective regions personnel for taking early stage protective action in the emergency status levels, build
Vertical local integration model, road network evacuation model and season environment module, calculate road capacity and routing information；The sound
The result of calculation decision-making for answering action planning module to be based on the model building module goes out action plan, and provides decision recommendation, supplies
Decision-making order is issued after decision-maker's decision-making.
Wherein, the protective action model building module is based on space headway theoretical calculation emergency evacuation region Nei Meitiao roads
The capacity on road, the possibility evacuation path and vehicle population in emergency evacuation region are defined based on statistics.Emergency evacuation area road
The net 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 is optimized to result of calculation.
Protective action model is mainly used in being withdrawn with emergent unrelated personnel in field, thus ensure the public (with should
Anxious unrelated personnel) life security.
Embodiment 8
The as described above Emergency radiological monitoring and notification system for being suitable to the simplification of high temperature nuclear reactor off site emergency, the present embodiment with
Its difference is：
The security of HTGR is very high, but we still need the running status of HTGR is exercised supervision,
The emergency response of HTGR general possible without core meltdown therefore corresponding Emergency radiological monitoring Yu notification system
Time can suitably lengthen, but appropriate lengthening is only its 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 use wireless connection, in this case, once occur near HTGR local nuclear radiation increase or
Leakage, if now the wireless signal in the region signal intensity occurs not enough or connects not smooth problem, processes very may be used not in time
Loss difficult to the appraisal can be brought to normal meeting an urgent need.
To solve the problem, as shown in Fig. 2 the Emergency radiological monitoring suitable for HTGR is with notification system also
Including standby server 6, the standby server 6 is connected with the processing server 2 by data wire, shares the treatment clothes
The data of business device 2.
The policy server 3 includes signal detection module, and the signal detection module sends to the processing server 2
Heartbeat packet, and record delivery time；Receive simultaneously the processing server 2 receive reversely send after the heartbeat packet with the heart
Jump corresponding return of bag to wrap, and record the time of reception；The delivery time and described of the signal detection module according to record
The time of reception calculates communication quality, and the policy server 3 connects when the communication quality is not good with the standby server 6
Connect, communicated.
So, the policy server 3 can enable active service when processing server 2 cannot carry out proper communication
Device 6 is communicated, and does not interfere with the decision-making of policy server 3 so, and decision-making order normal issue, also avoid nothing
Line communicates the unstable loss brought to contingency operation, such that it is able to quick emergent, treatment in time.
The computing formula of the communication quality is：
Wherein, MiDetermined by following formula：
xi=xi2-xi1
Wherein, xi1It is i-th delivery time of heartbeat packet, xi2For i-th heartbeat packet correspondence returns to the time of reception wrapped, xi
It is i-th intercycle of heartbeat packet, D is normal interval, MiIt is i-th judgement factor of heartbeat packet, n is to send heartbeat packet
Sum, P is communication quality.
Wherein, D is constant, is set according to actual conditions.
Basic ideas are：First calculate the intercycle of heartbeat packet, then the ratio according to normal interval and intercycle to
Under round the judgement factor for obtaining heartbeat packet；It is all to judge that the ratio between factor sum and heartbeat packet sum are required communication quality.
Have the beneficial effect that：Setting normal interval, the intercycle of heartbeat packet can be determined by adjusting normal interval is
No is admissible, is admissible, between intercycle is more than or equal to normally if intercycle is less than normal interval
Every not allowing then；The judgement factor is converted to by rounding downwards, then if admissible, its decision content is more than 0
Positive integer；If do not allow, its decision content is 0, and intercycle is smaller, judges that the factor is also bigger；By to judge because
Son summation, is required communication quality by and with heartbeat packet ratio of number, can eliminate the judgement factor pair in allowed band
The influence of communication quality；And communication quality is bigger, represent that the communication speed between two working nodes is faster；So, by this
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, saves
System resource.
Presently preferred embodiments of the present invention is the foregoing is only, is merely illustrative for the purpose of the present invention, and it is non-limiting
's.Those skilled in the art understanding, many changes can be carried out in the spirit and scope that the claims in the present invention are limited to it,
Modification, in addition it is equivalent, but fall within protection scope of the present invention.
Claims (10)
1. it is a kind of to be suitable to Emergency radiological monitoring and notification system that high temperature nuclear reactor off site emergency simplifies, it is characterised in that including：
Monitoring terminal, it is arranged in the HTGR nuclear power plant or near region outside nuclear power plant, 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, it is arranged in the HTGR nuclear power plant, is connected with the monitoring terminal, receives the monitoring
The monitoring signals of terminal are simultaneously processed；
Policy server, it is connected with the processing server, and the monitoring signals after reception processing simultaneously issue decision-making order；
Mobile terminal, it is connected with the processing server, receives the notification signal of the processing server；
Instruction terminal, it is connected with the processing server, receive the processing server indication signal and make instruction with
Notice.
2. it is as claimed in claim 1 to be suitable to Emergency radiological monitoring and notification system that high temperature nuclear reactor off site emergency simplifies, its feature
It is that the monitoring terminal includes fixed nuclear radiation monitoring device, the fixed nuclear radiation monitoring device is fixedly installed on the high temperature
In HTGR nuclear power plant and/or nuclear power plant near region, is connected with the processing server by holding wire.
3. the Emergency radiological monitoring of high temperature nuclear reactor and notification system are suitable to as claimed in claim 2, it is characterised in that the fixation
Nuclear radiation monitoring device includes：Aerosol detection unit, ionic activity probe unit and processing unit, the aerosol detection unit
Radioaerosol concentration in detection air；The ionic activity probe unit detects the strong of the radioactive ray in air
Degree；The processing unit is connected with the aerosol detection unit and ionic activity probe unit, to radioaerosol concentration
Intensity with radioactive ray is processed, and obtains the radiation intensity in current environment.
4. the Emergency radiological monitoring of high temperature nuclear reactor and notification system are suitable to as claimed in claim 1, it is characterised in that the monitoring
Terminal includes vehicle-mounted nuclear radiation monitoring device, and it is arranged in the HTGR nuclear power plant or is carried out outside factory patrol formula monitoring.
5. the Emergency radiological monitoring for being suitable to the simplification of high temperature nuclear reactor off site emergency as described in any in claim 1-4 is with notice
System, it is characterised in that the processing server is individual host.
6. it is as claimed in claim 5 to be suitable to Emergency radiological monitoring and notification system that high temperature nuclear reactor off site emergency simplifies, its feature
It is that the policy server is large-scale data center, and it is connected with the processing server by communication network.
7. the Emergency radiological monitoring for being suitable to the simplification of high temperature nuclear reactor off site emergency as described in any in claim 1-4 is with notice
System, it is characterised in that the monitoring terminal includes self-propelled nuclear radiation monitoring device, it passes through wireless parties with the processing server
Formula is connected.
8. the Emergency radiological monitoring for being suitable to the simplification of high temperature nuclear reactor off site emergency as described in any in claim 1-4 is with notice
System, it is characterised in that also including standby server, the standby server is connected with the processing server by holding wire,
Share the data of the processing server.
9. it is as claimed in claim 8 to be suitable to Emergency radiological monitoring and notification system that high temperature nuclear reactor off site emergency simplifies, its feature
It is that the policy server includes signal detection module；The signal detection module sends heartbeat to the processing server
Bag, and records delivery time, at the same receive the processing server receive reversely send after the heartbeat packet with the heartbeat packet
It is corresponding to return to bag, and the time of reception is recorded, and the delivery time and time of reception calculating communication matter according to record
Amount；The policy server is connected when the communication quality is not good with the standby server, is communicated.
10. it is as claimed in claim 9 to be suitable to Emergency radiological monitoring and notification system that high temperature nuclear reactor off site emergency simplifies, its feature
It is that the computing formula of the communication quality is：
Wherein, MiDetermined by following formula：
xi=xi2-xi1
Wherein, xi1It is i-th delivery time of heartbeat packet, xi2For i-th heartbeat packet correspondence returns to the time of reception wrapped, xiIt is
The i intercycle of heartbeat packet, D is normal interval, MiIt is i-th judgement factor of heartbeat packet, n is the total of transmission heartbeat packet
Number, P is communication quality.
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