CN106404076A - Nuclear power plant emergency networking monitoring system - Google Patents
Nuclear power plant emergency networking monitoring system Download PDFInfo
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- CN106404076A CN106404076A CN201611047920.4A CN201611047920A CN106404076A CN 106404076 A CN106404076 A CN 106404076A CN 201611047920 A CN201611047920 A CN 201611047920A CN 106404076 A CN106404076 A CN 106404076A
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- Prior art keywords
- monitoring system
- power plant
- nuclear power
- detector
- sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention relates to a nuclear power plant emergency networking monitoring system, which comprises mobile detector nodes, at least one level of mobile data receiving nodes used for performing transferring and communication distance diffusion on data collected by the mobile detector nodes, and a monitoring center used for performing data exchange on the mobile data receiving nodes, wherein each mobile detector node comprises at least one sensor. The mobile data receiving nodes can be regarded as data relay stations, perform transferring and communication distance extension on data collected by terminal detector nodes, can be relayed continuously through the data receiving nodes, and are finally connected with monitoring center equipment through wired communication.
Description
Technical field
The application is related to a kind of nuclear power plant Emergency seismograph network establishment monitoring system.
Background technology
In the prior art, nuclear power plant's Emergency seismograph network establishment radiation monitoring system be applied to nuclear power plant's surrounding enviroment radiation level and
The mobile monitoring of multiple meteorologic parameters, in system, each node is powered by battery, carries out data by wireless telecommunications between node
Exchange, the data of each sensor is carried out in real time by the data acquisition module comprising custom design in each probe node of terminal
Read, pass through wireless data transmission module simultaneously and data packing is uploaded to mobile data receiving node, data reception node is as number
Data exchange can be carried out according to transfer with monitoring center further.
Content of the invention
Technical problems to be solved in this application are to overcome the deficiencies in the prior art, provide a kind of nuclear power plant Emergency seismograph network establishment prison
Examining system
For solving above technical problem, the application adopts the following technical scheme that：
A kind of nuclear power plant Emergency seismograph network establishment monitoring system, it includes, mobile detector node, for described mobile detection
The data that device node is gathered carries out at least one-level mobile data receiving node of transfer and communication distance diffusion, for described
Mobile data receiving node carry out the monitoring center of data exchange, described mobile detector node includes at least one sensing
Device.
Preferably, the sensor of described mobile probe node includes radiation detector and/or Meteorological Change sensor.
Preferably, described mobile probe node include for sensing data is acquired data acquisition module,
Data for being gathered described data acquisition module is sent to the wireless data sending mould of described mobile data receiving node
Block.
Preferably, described monitoring system also includes removable support, and described sensor is arranged on described movable type
On support.
Preferably, described radiation detector includes wide range radiation detector and environment level radiation detector.
Preferably, described Meteorological Change sensor includes integral type meteorological sensor, air velocity transducer and wind transducer.
Preferably, the data acquisition module of described mobile probe node has analog interface and digital interface.
Preferably, described removable support include column, one end rotate with described column lower end be connected multiple
Support feet, to be set in being rotatably connected at of described column along the slip ring that described column slides up and down, one end described
Slip ring, the other end is rotatably connected at the support bar of described support feet, and the upper end of described column is provided with cross bar,
Described sensor is arranged on described cross bar, and described removable support has deployed condition and folded state, when described
Removable support when being in deployed condition, described support feet is placed on the ground；When described removable support is in folding
During overlapping state, described slip ring moves up along described column, drives described support feet to be folded up.
Preferably, described slip ring is additionally provided with least one fixed screw, described fixed screw is used for will be described
Slip ring be fixed on described column.
Preferably, described radiation detector includes wide range radiation detector and environment level radiation detector；Described
Meteorological Change sensor includes integral type meteorological sensor, air velocity transducer and wind transducer, described wind transducer and institute
The air velocity transducer stated is arranged on the both ends of described cross bar, between described wind transducer and described air velocity transducer
It is sequentially installed with integral type meteorological sensor, wide range radiation detector and environment level radiation detector.
Due to the employing of above technical scheme, the application compared with prior art has the advantage that：
Nuclear power plant's Emergency seismograph network establishment radiation monitoring system of the application is made up of multiple nodes, type is divided into mobile data connect
Receive node and mobile detector node, wirelessly communicated between detector node and data reception node, single
Data reception node can be connected with most 256 detector nodes simultaneously.Mobile data receiving node can regard data relay stations as,
End-probing device node institute gathered data is carried out with the extension on transfer and communication distance, data reception node can be continued through and enter
Row relaying, final is connected by wire communication with monitoring center equipment.
Brief description
Fig. 1 is the module diagram of the monitoring system of the application；
Fig. 2 is the mobile data receiving node of the application and the module diagram of mobile probe node；
Fig. 3 is the module diagram of the double GM pipe gamma detector of wide-range；
Fig. 4 is the module diagram of environment level sodium iodide gamma detector；
Fig. 5 is the structural representation of removable support,
Wherein：1st, column；2nd, support feet；3rd, support bar；4th, slip ring；5th, fixed screw；6th, cross bar；71st, air velocity transducer；
72nd, the meteorological sensing of integration；73rd, wide-range gamma detector；74th, environment level gamma detector；75th, wind transducer；8th, sky
Line.
Specific embodiment
Below in conjunction with specific embodiment, the application is described in further details.It should be understood that these embodiments are for saying
The ultimate principle of bright the application, principal character and advantage, and the application is not limited by the scope of following examples.Adopt in embodiment
Implementation condition can be done according to specific requirement and adjust further, and not marked implementation condition is usually the bar in normal experiment
Part.
As shown in figure 1, a kind of nuclear power plant Emergency seismograph network establishment monitoring system, it includes, mobile detector node, for described
The data that gathered of mobile detector node carry out transfer and communication distance diffusion at least one-level mobile data receiving node,
For described mobile data receiving node is carried out with the monitoring center of data exchange, described mobile detector node include to
A few sensor.Wirelessly communicated between mobile detector node and mobile data receiving node, single
Mobile data receiving node at most can be connected with 256 mobile detector nodes simultaneously.Mobile data receiving node can be seen and count
According to relay station, end-probing device node institute gathered data is carried out with the extension on transfer and communication distance, movement can be continued through
Data reception node is relayed, and final is connected by wire communication with monitoring center equipment.
As shown in Fig. 2 for mobile data receiving node described herein and mobile probe node, described mobile detection
The sensor of node includes radiation detector and/or Meteorological Change sensor, and described mobile probe node is included for sensing
Data acquisition module that device data is acquired, the data for being gathered described data acquisition module are sent to described
The wireless data transmission module of mobile data receiving node.Data acquisition module is as general information acquisition module.Serial ports can be connected
The sensor of communication, digital pulse sensors, analog voltage sensor, have ethernet communication function, USB linkage function and make
Carry out local datastore with SD card.Can also be connected with host computer by serial ports, network interface and USB.Communications protocol adopts standard
Modbus.Wherein, the wide-range of the dosage of 0.1uSv/h to 10Sv/h realized by radiation detector using wide range radiation detector
Cover, routine can be met and the Radiation monitoring of emergent occasion requires；The dosage range ability of environment level radiation detector is
0.01uSv/h to 200uSv/h is it is adaptable to long-range circumstances horizontal radiation dose monitoring.All radiation detectors are total digitalization
Design, carries out data acquisition by RS-485 serial ports.Meteorological Change sensor includes integral type meteorological sensor, air velocity transducer,
Wind transducer.Wherein, integral type meteorological sensor uses ultrasonic wave principle, for measuring wind direction, wind speed, temperature, humidity, gas
Pressure, can provide GPS location, humiture, wind speed and direction, compass heading data in real time, carry out data acquisition by RS-232 serial ports；
Air velocity transducer is mechanical type air velocity transducer, provides wind speed information, is acquired by step-by-step counting mouth；Independent wind direction passes
Sensor is mechanical type wind transducer, provides wind direction information, is acquired by analog voltage signal.Customization data acquisition module
Using multi-passage design, it is provided simultaneously with analog interface and digital interface, to adapt to different types of sensor type, complete each biography
Sensor real time data acquisition and the work uploading of packing, externally upload interface and adopt RS-232 serial ports, direct and wireless data sending mould
The seamless transparent transmission with remote end module is realized in block docking.
As shown in figure 3, the double GM pipe gamma radiation detector electronics of wide-range are by Geiger counter tube, signal condition electricity
Road and the composition of the digital signal processing unit based on microprocessor, generate counting rate, prompt dose rate, detector's status in real time
Etc. information；By selecting two Geiger counter tubes of different technologies specification, double Geiger tubes are carried out according to detected dosage level and cuts
Change, can achieve and cover different dosage ranges.The original burst signal being produced by Geiger counter tube gathers through embedded micro-processor
Real-time close rate is generated after process.First pass through original burst signal and obtain real-time counting rate, then the dead time is carried out to counting rate
Correction and sensitivity conversion, obtain real-time close rate, and eliminate dead time and the saturation effect of traditional nuclear radiation detector；Afterwards
Using the digital signal processing algorithm based on low-pass filtering it is ensured that real-time interior for a long time the stablizing of close rate, and for dosage
The quick response of rate change.Detector externally provides RS-485 serial ports, computer or Radiation monitoring main frame can pass through RS-485
Serial ports is to the counting rate measuring, close rate, the information such as detector's status.Meanwhile, single control main website (computer or radiation
Monitoring main frame) can at most connect 32 gamma radiation detectors, compositing area radiation surveillance network by 485 bus connecting modes
Network, wherein communication distance require to be less than 1200 meters.
Detector communications protocol adopts Modbus international standard communications protocol, can be directly accessed any modern digitalization collection
System, is conveniently applied to the system integration.Detector built-in temperature sensor, tests to detector row high/low temperature before dispatching from the factory, obtains
Temperature compensation coefficient.In actual moving process, trip temperature is entered according to operating temperature to the real-time counting rate of Geiger counter tube and mends
Repay.And, detector designs self-checking function, to irrational counting situation, the deviation of operating temperature or measurement range, report to the police etc.
State carries out automatic identification, controls main website by serial ports, detector working condition can be inquired about.
As shown in figure 4, environment level sodium iodide gamma detector is according to this concrete application of environmental measurement, using direct measurement
The mode of photo-multiplier current, the method is substantially better than traditional step-by-step counting in the energy response index of environmental monitoring
Method, about ± 5%, simultaneously above ± 20% required by GB.This metering system is different from routine and photomultiplier tube is exported
Pulse is amplified shaping, and threshold value screens the mode generating TTL pulse, has the characteristics that：Direct measurement photomultiplier tube electricity
Stream, structure is simple, and sensitivity is high；Front end integrator structure is lowpass structures, and PSRR is good, anti-interference strong；Energy response
Index is far better than the mode of conventional pulse count, applied widely, can be used for accelerator pulse radiation field, radioactive source field
Close, the mixing field of multiple radiation, especially suitable low-level environment level monitoring.And general pulse count mode be only applicable to single
Radiation field, and the energy response of Standard cannot be ensured for unknown mixing field and Pulsed radiation field.Integration current produces
Original burst signal generate real-time close rate after embedded micro-processor acquisition process.Detector externally provides RS-485 to go here and there
Mouth, computer or acquisition system can be by RS-485 serial ports to the counting rate measuring, close rates, and detector's status etc. are believed
Breath.Meanwhile, single control main website (computer or Radiation monitoring main frame) at most can connect 32 by 485 bus connecting modes
Gamma radiation detector, compositing area Radiation monitoring network, wherein communication distance require to be less than 1200 meters.Detector communications protocol
Using Modbus international standard communications protocol, any modern digital acquisition system can be directly accessed, be conveniently applied to system collection
Become.Detector built-in temperature sensor, carries out high/low temperature experiment to detector before dispatching from the factory, obtains temperature compensation coefficient.In reality
In running, temperature-compensating is carried out to the real-time counting rate of Geiger counter tube according to operating temperature.And, detector design is certainly
Checking functions, to irrational counting situation, the deviation of operating temperature or measurement range, the state such as warning carries out automatic identification, control
Main website processed can be inquired about to detector working condition by serial ports.
As shown in figure 5, removable support includes column, one end rotating with described column lower end the multiple supports being connected
Foot, be set in described column can be rotatably connected at described cunning along the slip ring that described column slides up and down, one end
Ring, the other end is rotatably connected at the support bar of described support feet, and the upper end of described column is provided with cross bar, described
Sensor be arranged on described cross bar, described removable support has deployed condition and folded state, when described shifting
When dynamic formula support is in deployed condition, described support feet is placed on the ground；When described removable support is in rugosity
During state, described slip ring moves up along described column, drives described support feet to be folded up.Also set on described slip ring
It is equipped with least one fixed screw, described fixed screw is used for for described slip ring being fixed on described column.Described
Radiation detector includes wide range radiation detector and environment level radiation detector；Described Meteorological Change sensor includes integral type
Meteorological sensor, air velocity transducer and wind transducer, described wind transducer and described air velocity transducer are arranged on institute
The both ends of the cross bar stated, are sequentially installed with the meteorological biography of integral type between described wind transducer and described air velocity transducer
Sensor, wide range radiation detector and environment level radiation detector.Antenna is also equipped with removable support, described antenna is solid
It is scheduled on cross bar center.
Above the application is described in detail, the explanation of embodiment be only intended to help understand the present processes and
Its core concept, its object is to allow the personage being familiar with this art will appreciate that present context and to implement according to this, and
The protection domain of the application can not be limited with this.All equivalence changes made according to the application spirit or modification, all should contain
Cover within the protection domain of the application.
Claims (10)
1. a kind of nuclear power plant Emergency seismograph network establishment monitoring system it is characterised in that：It includes, mobile detector node, for described
The data that gathered of mobile detector node carry out transfer and communication distance diffusion at least one-level mobile data receiving node,
For described mobile data receiving node is carried out with the monitoring center of data exchange, described mobile detector node include to
A few sensor.
2. a kind of nuclear power plant Emergency seismograph network establishment monitoring system according to claim 1 it is characterised in that：Described mobile detection
The sensor of node includes radiation detector and/or Meteorological Change sensor.
3. a kind of nuclear power plant Emergency seismograph network establishment monitoring system according to claim 2 it is characterised in that：Described mobile detection
Node include for sensing data is acquired data acquisition module, for described data acquisition module is gathered
Data be sent to the wireless data transmission module of described mobile data receiving node.
4. a kind of nuclear power plant Emergency seismograph network establishment monitoring system according to claim 2 it is characterised in that：Described monitoring system
Also include removable support, described sensor is arranged on described removable support.
5. according to a kind of nuclear power plant Emergency seismograph network establishment monitoring system described in claim 2 it is characterised in that：Described radiation detector
Including wide range radiation detector and environment level radiation detector.
6. according to a kind of nuclear power plant Emergency seismograph network establishment monitoring system described in claim 2 it is characterised in that：Described Meteorological Change sensing
Device includes integral type meteorological sensor, air velocity transducer and wind transducer.
7. a kind of nuclear power plant Emergency seismograph network establishment monitoring system according to claim 2 it is characterised in that：Described mobile detection
The data acquisition module of node has analog interface and digital interface.
8. a kind of nuclear power plant Emergency seismograph network establishment monitoring system according to claim 4 it is characterised in that：Described movable type is propped up
Frame include column, one end rotate with described column lower end the multiple support feets being connected, be set in described column can edge
The slip ring that described column slides up and down, one end are rotatably connected at described slip ring, and the other end is rotatably connected at institute
The support bar of the support feet stated, the upper end of described column is provided with cross bar, and described sensor is arranged on described cross bar
On, described removable support has deployed condition and folded state, when described removable support is in deployed condition, institute
The support feet stated is placed on the ground；When described removable support is in folded state, described slip ring stands along described
Post moves up, and drives described support feet to be folded up.
9. a kind of nuclear power plant Emergency seismograph network establishment monitoring system according to claim 8 it is characterised in that：On described slip ring also
It is provided with least one fixed screw, described fixed screw is used for for described slip ring being fixed on described column.
10. a kind of nuclear power plant Emergency seismograph network establishment monitoring system according to claim 8 it is characterised in that：Described radiation is visited
Survey device and include wide range radiation detector and environment level radiation detector；Described Meteorological Change sensor includes the meteorological biography of integral type
Sensor, air velocity transducer and wind transducer,
Described wind transducer and described air velocity transducer are arranged on the both ends of described cross bar, described wind direction sensing
It is sequentially installed with integral type meteorological sensor, wide range radiation detector and environment level spoke between device and described air velocity transducer
Penetrate detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611047920.4A CN106404076A (en) | 2016-11-24 | 2016-11-24 | Nuclear power plant emergency networking monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611047920.4A CN106404076A (en) | 2016-11-24 | 2016-11-24 | Nuclear power plant emergency networking monitoring system |
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| CN106404076A true CN106404076A (en) | 2017-02-15 |
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| CN201611047920.4A Pending CN106404076A (en) | 2016-11-24 | 2016-11-24 | Nuclear power plant emergency networking monitoring system |
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Application publication date: 20170215 |