CN104296803A - Digital nuclear facility environmental radiation monitoring system - Google Patents

Digital nuclear facility environmental radiation monitoring system Download PDF

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Publication number
CN104296803A
CN104296803A CN201410478811.2A CN201410478811A CN104296803A CN 104296803 A CN104296803 A CN 104296803A CN 201410478811 A CN201410478811 A CN 201410478811A CN 104296803 A CN104296803 A CN 104296803A
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China
Prior art keywords
central station
monitoring system
digitizing
spot
radiation monitoring
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Pending
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CN201410478811.2A
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Chinese (zh)
Inventor
张伟
王欣
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China Nuclear Power Engineering Co Ltd
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China Nuclear Power Engineering Co Ltd
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Application filed by China Nuclear Power Engineering Co Ltd filed Critical China Nuclear Power Engineering Co Ltd
Priority to CN201410478811.2A priority Critical patent/CN104296803A/en
Publication of CN104296803A publication Critical patent/CN104296803A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a digital nuclear facility environmental radiation monitoring system. The digital nuclear facility environmental radiation monitoring system comprises a control device and field measuring devices. The control device comprises a central station. The field measuring devices include an environmental medium sampler, a meteorological sensor and a radiation detector. The radiation detector is a digital NaI (TI) spectrometer internally provided with a high-range dosage rate detector. The environmental medium sampler, the meteorological sensor and the digital NaI (TI) spectrometer are connected with a local industrial computer, measuring signals and sampling signals are transmitted to the local industrial computer which is connected with the central station in a wired communication mode and in a wireless communication mode, and the central station remotely monitors the working state of all the field measuring devices. According to the system, nuclide recognition can be carried out while a radiation dose rate gamma is given, communication is reliable, the bandwidth is high, interference is not likely to happen, and the data acquiring rate of the system can be guaranteed.

Description

A kind of digitizing Environment near Nuclear Facilities radiation monitoring system
Technical field
The invention belongs to nuclear radiation measurement instrument and technical field of automatic control, be specifically related to a kind of digitizing Environment near Nuclear Facilities radiation monitoring system.
Background technology
Existing run and major part building nuclear power plant environmental radiation monitoring system design monitoring project few, equipment failure rate is high, needs the regular field maintemance of operations staff, and can only be used for conventional environment monitoring.The environmental radiation monitoring system that Fukushima nuclear power plant to occur after nuclear accident is around destroyed, and does not play completely as decision maker provides the function of Monitoring Data.State Bureau of Nuclear Safety issued the improvement requirement clearly proposing radiation environmental monitoring in " nuclear power plant improves action generic specifications (trying) after Fukushima nuclear accident " in 2012, although each nuclear power station improves environmental radiation monitoring system as requested, but the improvement content implemented mainly increases the quantity of monitoring station and increases the quantity of emergency monitoring equipment, effectively do not improve the reliabilty and availability of environmental radiation monitoring system under accident conditions, still there is very large global failure risk in environmental radiation monitoring system under accident conditions.As shown in Figure 1, subject matter is embodied in the following aspects to the structure of existing nuclear power plant environment radiation monitoring system:
1) existing environmental radiation monitoring system can only monitor gamma dose rate, can not identify nucleic.
2) existing communication means generally use telephone wire and GPRS, and communication mode is unreliable, frequent communication disruption and be vulnerable to interference, data acquisition rate can not be ensured.
3) existing environmental radiation monitoring system can not remote monitoring sampling equipment running status at central station, equipment whether normal operation cannot be known, in the startup of central station Long-distance Control sampling equipment and stopping, staff on-site manual can not can only being gone to start and stops.
4) electric power supply of existing environmental radiation monitoring system and communication mode all rely on outside, will lose monitoring function when external power source and communication mode interrupt.
5) central station opposing external event ability is poor, and central station is once damage and can not repair at short notice, and environmental radiation monitoring system can be caused can not to recover for a long time.
6) existing environmental radiation monitoring system can only meet environmental monitoring requirement under normal circumstances, there is very high entire system paralysis risk under the accident conditions that particularly external event causes under accident conditions.
Summary of the invention
The object of the invention is to the various deficiencies for existing nuclear power plant environment radiation monitoring system, a kind of digitizing Environment near Nuclear Facilities radiation monitoring system be provided, the structure of system is had more simplify, modularization, integrated feature.
Technical scheme of the present invention is as follows: a kind of digitizing Environment near Nuclear Facilities radiation monitoring system, comprise opertaing device and spot measurement device, described opertaing device comprises central station, described spot measurement device comprises surrounding medium sampler, meteorological sensor and radiation detector, wherein, described radiation detector is digitizing NaI (TI) spectrometer of built-in high range dose rate detector, surrounding medium sampler, meteorological sensor and digitizing NaI (TI) spectrometer are connected with industrial computer on the spot respectively, measurement and sampled signal are transferred to industrial computer on the spot, described industrial computer on the spot connects central station, the duty of all spot measurement device of central station remote monitoring.
Further, digitizing Environment near Nuclear Facilities radiation monitoring system as above, wherein, also comprise mobile central station, described mobile central stands in function environmental monitoring vehicle being realized central station by mobile computer and Wireless Telecom Equipment.
Further, digitizing Environment near Nuclear Facilities radiation monitoring system as above, wherein, the built-in high range dose rate detector of described digitizing NaI (TI) spectrometer is GM pipe or semiconductor detector; Digitizing NaI (TI) spectrometer is self-powered and be provided with wireless communication module, measurement data directly can be wirelessly transmitted to central station or mobile central station under accident conditions.
Further, digitizing Environment near Nuclear Facilities radiation monitoring system as above, wherein, described surrounding medium sampler is connected with industrial computer on the spot by private cable.
Further, digitizing Environment near Nuclear Facilities radiation monitoring system as above, wherein, described industrial computer is on the spot connected with central station with wireless network by optical fiber.
Beneficial effect of the present invention is as follows: digitizing Environment near Nuclear Facilities radiation monitoring system provided by the present invention can be applicable to the environs radiation monitoring of large nuclear-power factory, small-sized heap, research reactor and other nuclear facilities, NaI (TI) spectrometer adopted can carry out nuclide identification while providing γ radiation dose rate, provide the natural and artificial radionuclide in air, highly sensitive, the artificial radionuclide measured in air can help nuclear facilities operations staff discovery nuclear accident more early, carries out early warning.This environmental radiation monitoring system can use at most the communication mode of optical fiber, wireless 3G and less radio-frequency three kinds of redundancies, reliable communications, and bandwidth is high, not easily disturbs, can the data acquisition rate of safeguards system.Environmental radiation monitoring system adopts and Prometheanly devises central station locomotive function, improves the reliability of system under accident conditions.Meanwhile, this system also possesses the feature that interface condition is few, expanded function is powerful.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of existing nuclear power plant environment radiation monitoring system;
Fig. 2 is the structure principle chart of digitizing Environment near Nuclear Facilities radiation monitoring system of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 2, digitizing Environment near Nuclear Facilities radiation monitoring system provided by the present invention, comprise opertaing device and spot measurement device, described opertaing device comprises central station and mobile central station, described spot measurement device comprises surrounding medium sampler, meteorological sensor and radiation detector, industrial computer on the spot, wherein, described radiation detector is digitizing NaI (TI) spectrometer of built-in high range dose rate detector, surrounding medium sampler, meteorological sensor and digitizing NaI (TI) spectrometer are connected with industrial computer on the spot respectively, measurement and sampled signal are transferred to industrial computer on the spot, described industrial computer on the spot connects central station, the duty of all spot measurement device of central station remote monitoring.
This system enables brand-new nuclear radiation detector, uses digitizing NaI (TI) spectrometer of built-in high range dose rate detector (GM pipe or semiconductor detector) to replace current nuclear power plant environment radiation monitoring system normally used GM pipe detector or high-pressure ionization chamber's detector.This detector uses NaI (TI) detector measurement lower range, uses GM pipe or semiconductor detector to measure high range, and combination can meet the needs that gamma dose rate measures range like this.In addition because NaI crystal can differentiate gamma-ray energy, therefore NaI (TI) spectrometer can carry out nuclide identification while providing γ radiation dose rate, provide the natural and artificial radionuclide in air, highly sensitive, the artificial radionuclide measured in air can help nuclear facilities operations staff discovery nuclear accident more early, carries out early warning.And digitizing NaI (TI) spectrometer possesses independently Wireless Telecom Equipment, under accident conditions, measurement data directly can be transferred to fixing central station or mobile central station.
In environmental radiation monitoring system of the present invention, surrounding medium sampler be connected by private cable between industrial computer on the spot, meteorological sensor be connected by meteorological cable between industrial computer on the spot, digitizing NaI (TI) spectrometer be connected by netting twine between industrial computer on the spot, pass through Fiber connection between industrial computer and central station on the spot, and can 3G radio communication be carried out.Digitizing NaI (TI) spectrometer is self-powered and do not rely on the wireless communication module of public network, can run reliably and with long-term after accident, can carry out radio communication by wireless communication module and central station and mobile central station.The present invention can use at most the communication mode of optical fiber, wireless 3G and less radio-frequency three kinds of redundancies, reliable communications, and bandwidth is high, not easily disturbs, can the data acquisition rate of safeguards system.
Compare traditional nuclear power plant environment radiation monitoring system, the present invention is adding industrial computer on the spot, the signal of all measuring equipments and sampling equipment all transfers to industrial computer on the spot, industrial computer and central station use Fiber connection on the spot, can in the duty of all measurements of central station remote monitoring and sampling equipment, data also can show on the spot in real time.This design in the startup of central station Long-distance Control sampling equipment and stopping, can also realizing sampling robotization, greatly reduces the workload of personnel.
Consider the defect of existing nuclear power plant environment radiation monitoring system central station not easy-maintaining and recovery, newly-designed environmental radiation monitoring system employing is Promethean devises central station locomotive function, when fixing central station damage after accident, mobile computer and Wireless Telecom Equipment can be used on environmental monitoring vehicle to recover rapidly central station function.Existing nuclear power plant environment radiation monitoring system data can only on the spot or central station produce check, and newly-designed environmental radiation monitoring system develops central station data acquisition and control software based on WEB, system data place remote can be realized browse, more sharp decision maker's usage data.Newly-designed environmental radiation monitoring system adopts modularization and integrated equipment, and structure is simple, dependable performance, failure rate is low, be easy to expansion, and faulty equipment can be realized during equipment failure change use, the detection requirement under making system meet normal and accident two kinds of situations.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if belong within the scope of the claims in the present invention and equivalent technology thereof to these amendments of the present invention and modification, then the present invention is also intended to comprise these change and modification.

Claims (6)

1. a digitizing Environment near Nuclear Facilities radiation monitoring system, comprise opertaing device and spot measurement device, described opertaing device comprises central station, described spot measurement device comprises surrounding medium sampler, meteorological sensor and radiation detector, it is characterized in that: described radiation detector is digitizing NaI (TI) spectrometer of built-in high range dose rate detector, surrounding medium sampler, meteorological sensor and digitizing NaI (TI) spectrometer are connected with industrial computer on the spot respectively, measurement and sampled signal are transferred to industrial computer on the spot, described industrial computer on the spot connects central station, the duty of all spot measurement device of central station remote monitoring.
2. digitizing Environment near Nuclear Facilities radiation monitoring system as claimed in claim 1, it is characterized in that: also comprise mobile central station, described mobile central stands in function environmental monitoring vehicle being realized central station by mobile computer and Wireless Telecom Equipment.
3. digitizing Environment near Nuclear Facilities radiation monitoring system as claimed in claim 1, is characterized in that: the built-in high range dose rate detector of described digitizing NaI (TI) spectrometer is GM pipe or semiconductor detector.
4. digitizing Environment near Nuclear Facilities radiation monitoring system as claimed in claim 2, it is characterized in that: digitizing NaI (TI) spectrometer is self-powered and be provided with wireless communication module, under accident conditions, measurement data directly can be used wireless communication mode to transfer to central station or mobile central station.
5. digitizing Environment near Nuclear Facilities radiation monitoring system as claimed in claim 1, is characterized in that: described surrounding medium sampler is connected with industrial computer on the spot by private cable.
6. digitizing Environment near Nuclear Facilities radiation monitoring system as claimed in claim 1, is characterized in that: described industrial computer is on the spot connected with central station with wireless network by optical fiber.
CN201410478811.2A 2014-09-18 2014-09-18 Digital nuclear facility environmental radiation monitoring system Pending CN104296803A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104880727A (en) * 2015-05-25 2015-09-02 北京华瑞核安科技股份有限公司 Miniature radiation environment automatic monitoring station
CN105137931A (en) * 2015-08-07 2015-12-09 深圳市欣横纵数码科技有限公司 Operation and maintenance management system for nuclear unit
CN105807310A (en) * 2016-03-16 2016-07-27 中国核电工程有限公司 Emergency environmental monitoring spectrometer used after nuclear accident
CN105841750A (en) * 2016-06-13 2016-08-10 成都新核泰科科技有限公司 Radioactive source emergency detection robot
CN106093996A (en) * 2016-06-13 2016-11-09 成都新核泰科科技有限公司 The emergent robot of radioactive source detection
CN106094001A (en) * 2016-06-13 2016-11-09 成都新核泰科科技有限公司 Radioactive source is met an urgent need robot
CN106125119A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Radioactive source is met an urgent need sniffing robot detection system
CN106125121A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Radioactive source is met an urgent need robot detection system
CN106125120A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Emergent sniffing robot
CN106123950A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Emergent robot probe's system
CN106125124A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Emergent robot system
CN106125122A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Highfield radiation detecting system
CN106125125A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Dense ionization radiation field is met an urgent need robot
CN106443748A (en) * 2016-08-19 2017-02-22 黑龙江省科学院技术物理研究所 High-precision wireless radiation dosage monitoring device and method
CN108766604A (en) * 2018-04-25 2018-11-06 中国核电工程有限公司 In nuclear power heap-type K3 classes on the spot case radiation resistance identification irradiation dose computational methods
CN110737011A (en) * 2019-11-19 2020-01-31 苏州大学 fixed radiation monitoring systems

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CN202331793U (en) * 2011-11-09 2012-07-11 中广核工程有限公司 Factory radiation and meteorological monitoring system of nuclear power plant

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JPH06258496A (en) * 1993-03-04 1994-09-16 Toshiba Corp Measuring apparatus of activity concentration for radioactive waste container
CN101598600A (en) * 2008-06-04 2009-12-09 上海隆缔电子设备有限公司 Wireless self-cooled continuous automatic temperature measurement method of pressures inside and spectrogram device thereof
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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104880727A (en) * 2015-05-25 2015-09-02 北京华瑞核安科技股份有限公司 Miniature radiation environment automatic monitoring station
CN104880727B (en) * 2015-05-25 2018-06-22 北京华瑞核安科技股份有限公司 Miniature radiation environment auto monitoring and measurement station
CN105137931A (en) * 2015-08-07 2015-12-09 深圳市欣横纵数码科技有限公司 Operation and maintenance management system for nuclear unit
CN105807310A (en) * 2016-03-16 2016-07-27 中国核电工程有限公司 Emergency environmental monitoring spectrometer used after nuclear accident
CN106125120A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Emergent sniffing robot
CN106125122A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Highfield radiation detecting system
CN106125119A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Radioactive source is met an urgent need sniffing robot detection system
CN106125121A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Radioactive source is met an urgent need robot detection system
CN106093996A (en) * 2016-06-13 2016-11-09 成都新核泰科科技有限公司 The emergent robot of radioactive source detection
CN106123950A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Emergent robot probe's system
CN106125124A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Emergent robot system
CN106094001A (en) * 2016-06-13 2016-11-09 成都新核泰科科技有限公司 Radioactive source is met an urgent need robot
CN106125125A (en) * 2016-06-13 2016-11-16 成都新核泰科科技有限公司 Dense ionization radiation field is met an urgent need robot
CN105841750A (en) * 2016-06-13 2016-08-10 成都新核泰科科技有限公司 Radioactive source emergency detection robot
CN106443748A (en) * 2016-08-19 2017-02-22 黑龙江省科学院技术物理研究所 High-precision wireless radiation dosage monitoring device and method
CN108766604A (en) * 2018-04-25 2018-11-06 中国核电工程有限公司 In nuclear power heap-type K3 classes on the spot case radiation resistance identification irradiation dose computational methods
CN108766604B (en) * 2018-04-25 2021-04-27 中国核电工程有限公司 Calculation method for identifying irradiation dose by K3 type in-situ box irradiation resistance in nuclear reactor
CN110737011A (en) * 2019-11-19 2020-01-31 苏州大学 fixed radiation monitoring systems

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Application publication date: 20150121