CN103760587A - Offshore nuclear emergency radiation monitor based on cylindrical buoy - Google Patents
Offshore nuclear emergency radiation monitor based on cylindrical buoy Download PDFInfo
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- CN103760587A CN103760587A CN201410040113.4A CN201410040113A CN103760587A CN 103760587 A CN103760587 A CN 103760587A CN 201410040113 A CN201410040113 A CN 201410040113A CN 103760587 A CN103760587 A CN 103760587A
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Abstract
The invention provides an offshore nuclear emergency radiation monitor based on a cylindrical buoy. The offshore nuclear emergency radiation monitor comprises a radiation monitoring assembly, the buoy, a storage battery pack and an anchor system. The radiation monitoring assembly is composed of a radiometer and an energy spectrum probe. The buoy is of a cylindrical structure and is composed of a hood, an instrument bin and a battery bin, wherein the battery bin is located below the instrument bin. The radiometer is installed at the upper end of the instrument bin, the energy spectrum probe is installed at the lower end of the instrument bin, the storage battery pack is installed in the battery bin, and the anchor system is connected with the bottom end of the buoy. According to the offshore nuclear emergency radiation monitor, the cylindrical buoy serves as a carrying platform of the radiometer, through the design of the buoy, measurement according to the standard method which is nationally regulated can be achieved, and the accuracy of measuring data is improved.
Description
Technical field
The present invention relates to a kind of marine nuclear emergency radiation monitor based on circular cylindrical shape buoy, belong to nuclear emergency Radiation monitoring technical field.
Background technology
Nuclear power, as a kind of clean, safety, the energy efficiently, is more and more subject to the attention of a lot of countries in the world.China, in order to alleviate the situation of energy supply anxiety, restructures the use of energy, and reduces environmental pollution, since last century the eighties build nuclear power station, at present, existing 15 cover nuclear power generating sets are put into commercial operation.Although nuclear power station has reliable security, but yet exist the possibility that serious nuclear accident occurs, U.S. San Li island (1979), USSR (Union of Soviet Socialist Republics) Chernobyl (1986) and three serious nuclear accident of Fukushima, Japan (2011) are exactly reverse side illustration, once and there is serious radioactivity leakage in nuclear power station, will cause large area environmental pollution, and then country, local economic construction and social stability are brought to negative effect, to the public's health, also can bring serious threat.
According to the requirement of International Atomic Energy Agency (IAEA) and national regulations, nuclear power station should be delimited a border circular areas as Emergency Planning Zone (EPZ), and in EPZ, carry out on request emergent preliminary work.China's nuclear power station is built seashore mostly in, and therefore, EPZ has not only comprised land part, has also contained nuclear power station sea around.
Once there is serious radioactivity leakage accident in nuclear power station, country, local government and nuclear power owner need to start emergency response immediately, take various effective measures reduce or reduction accident is brought loss and harm, Emergency radiological monitoring is exactly a very important response activities wherein.
Radioactive ray is that human body cannot perception, and post accident environment radiation level is also constantly to change, and only has by special instrument and just can measure.In time, accurately understand and grasp environmental situation, for the correct emergent strength of decision-making commander, tissue of country, place and nuclear power owner emergency command mechanism for implementing, carry out effective emergency response action most important.Owing to being subject to the restriction of condition, the technological means that current marine nuclear emergency Radiation monitoring strength has also can not meet needs.
At present, China's nuclear emergency Radiation monitoring strength is participated in the technological means that the marine nuclear emergency Radiation monitoring of Nuclear Power Station accident is used, and is mainly expatriate personnel and ship, carries radiation gauge monitoring of environmental gamma dose rate; By sampler, collect seawater, to laboratory, γ nucleic is carried out to qualitative and quantitative analysis.As, in March, 2011, after Fukushima, Japan nuclear power station generation major accident, China just adopts the method to carry out marine Emergency radiological monitoring.But existing marine Radiation monitoring technology has the following disadvantages: (1) measuring method is incorrect, cause measurement data inaccurate.According to the world and national standard, during measurement environment gamma dose rate, detector should be apart from 1 meter of floor level, response angle 4 π.On ship, measure, especially use large vessel, the position of radiation gauge (highly) is far above 1 meter, adds hull, the weakening to ray of cabin interlayer and deck, all can cause the error of measurement data.With radioactive source, ship is done experiment and obtained screen layer weakening coefficient, not only difficulty is large, expense is high, and is also difficult to technically realize, and therefore, prior art cannot accurately be monitored ocean surface environmental γ radiation level.(2) obtain result speed slower, do not adapt to the requirement of emergency.Obtain gamma spectrum data in seawater, and then identification nuclear power plant accident being discharged in the sea radioactive nuclide, is an important content of nuclear emergency Radiation monitoring, be also evaluate ocean be contaminted situation, understand the important evidence of accident conditions and reckoning accident source term.The basic demand of Emergency radiological monitoring is fast, in time, accurately.Prior art is mainly to take the method for seawater sampling to deliver to land specialized laboratory analytical test, and the personnel that employ are many, program is complicated, consuming time longer, in the emergency response stage, obviously can not embody the feature of " urgency ".(3) technology integrated level is poor, and Monitoring Data can not get timely fusion.Because prior art is at measurement environment gamma dose rate with obtain aspect seawater gamma spectrum data, respectively by different personnel in different places, use different instrument and equipments to carry out, the measuring technique of this separate type, the timely fusion application of giving Monitoring Data, provides technical support to bring difficulty to emergency command mechanism in time.Existing marine Emergency radiological monitoring technology, in the biography report mode of data, can not meet requirement fast.(4) be difficult to accomplish continuously, uninterruptedly monitor, sea pollution situation can not get timely reflection.Due to factors such as flowing of the discharge of accident, aerocolloidal sedimentation and seawater, marine γ radiation level is constantly changing, and therefore, marine nuclear emergency Radiation monitoring is the same with land, needs continuous, uninterrupted.Prior art is implemented marine nuclear emergency Radiation monitoring can only Timing measurement, and the time interval is longer, more impossible accomplishing in round-the-clock, the full-time continuous monitoring of whole emergency response stage.Send ship to implement marine nuclear emergency Radiation monitoring and also will be subject to the impact of meteorologic factor, in the time of cannot going to sea as severe sea situation ship, monitoring just cannot be carried out.(5) employ resource more, duty assurance difficulty is large.Sending ship to implement marine nuclear emergency Radiation monitoring needs the parties concerned on land and ship that condition is provided, and the personnel of input, equipment, funds are more, and work of organization and coordination is complicated, and duty assurance difficulty is large.From contaminated area, personnel and ship out should carry out decontamination decontamination in accordance with regulations, the especially decontamination of ship, and not only workload is large, and difficulty is larger.The volume of ship is larger, and cabin quantity is more, and general ship is difficult to reach the preventive measures of airtight requirement, and decontamination work is very time-consuming, and program is also very complicated.(6) increase the weight of personnel psychology burden, be difficult to use in high pollution district.Send someone, send ship to implement marine nuclear emergency Radiation monitoring and need enter contaminated area, no matter be professional monitoring personnel, or the support personnel on ship, there is heavier psychological burden in capital, worry to be subject to irradiating health is exerted an influence, and the existence of this psychological condition can have a negative impact to monitoring.Carry out for a long time or repeatedly marine nuclear emergency Radiation monitoring, also need related personnel to carry out health examination and dosimeter evaluation, this respect work also needs to employ medical resource, and there is certain technical complexity, especially the monitoring to marine heavily polluted area, the restriction that controlled by personnel's radioactive dose, prior art cannot be implemented.
Summary of the invention
The object of the invention is to provide a kind of marine nuclear emergency radiation monitor based on circular cylindrical shape buoy, utilizes this monitor can obtain in time, accurately, all sidedly marine nuclear radiation monitoring data.
Realize technical scheme of the present invention as follows:
A marine nuclear emergency radiation monitor based on circular cylindrical shape buoy, comprises Radiation monitoring assembly, buoy, battery pack and anchor system;
Radiation monitoring assembly is comprised of radiation gauge and power spectrum probe; Buoy is circular cylindrical shape structure, and it is comprised of head-shield, instrument room and battery flat, and battery flat is positioned at the below of instrument room; Described radiation gauge is arranged on instrument room upper end, and described power spectrum probe is arranged on instrument room lower end, and described battery pack is arranged in battery flat, and described anchor is to be connected with buoy bottom; Wherein
Described buoy is as the support platform of Radiation monitoring assembly, and when the operation at sea of Radiation monitoring assembly, described radiation gauge is in water surface top, and described power spectrum probe is in water; Described Radiation monitoring assembly is used for monitoring maritime environment gamma dose rate and water gamma spectrum data, and by the real-time data transmission recording to land station; Described battery pack is used to Radiation monitoring assembly power supply; Described anchor is for fixed buoy.
Further, the present invention is when the operation at sea of Radiation monitoring assembly, and the distance between described radiation gauge and the water surface is 1 meter, and described power spectrum probe is placed in 0.7 meter under water.
Further, radiation gauge of the present invention comprises antenna, cursor lamp, dose rate detecting module and control/administration module; Wherein control/administration module is connected with antenna, cursor lamp, dose rate detecting module and power spectrum probe respectively;
Described dose rate detecting module is used for monitoring maritime environment gamma dose rate, and by the data transmission monitoring to control/administration module;
The data that described control/administration module transmits dose rate detecting module and power spectrum probe on the one hand send by antenna, the instruction sending by antenna reception land station on the other hand, controls dose rate detecting module, cursor lamp and power spectrum probe according to the instruction receiving;
Described cursor lamp, for showing position, monitoring point and monitoring range.
Further, antenna of the present invention, cursor lamp, dose rate detecting module and control/administration module concentrate on respectively on a circuit board, and 4 circuit boards connect into pyramidal structure with metal screw.
Further, described head-shield is semisphere or cylindrical, and its material is transparent engineering plastics.
Further, being connected between described instrument room and battery flat: penetrate into instrument room with metal connecting screw rod from battery flat bottom inner and fixing, realize the connection of instrument room and battery flat.
Further, between described head-shield and instrument room, between instrument room and battery flat, adopt radial seal mode to seal.
Further, described battery pack takes string mode to combine by a plurality of monomer lithium ion batteries, and its open-circuit voltage is 10-16.8V, and rated capacity is 300Ah.
Further, described battery pack is cylindrical, and battery pack panel is provided with supply socket, test socket and carrying handle, and battery pack inside is longitudinally provided with upper and lower penetrating guide pipe.
Further, the present invention also comprises sacrificial anode, and it is arranged on battery flat bottom.
Beneficial effect
The first, utilizing radiation gauge of the present invention to realize marine gamma dose rate by standard method measures.The present invention utilizes circular cylindrical shape buoy as the carrying platform of radiation gauge, by the design to buoy, make the radiation gauge height of end mounted thereto apart from 1 meter of the water surface, response angle 4 π, thereby realized according to state specified standards method, measure, improved the accuracy of measurement data.
The second, utilize Radiation monitoring assembly of the present invention can directly obtain gamma spectrum data in seawater.The signal that power spectrum probe of the present invention obtains directly obtains gamma spectrum data at sea through the embedded Miniature multi-way of control/administration module, after by land station, gamma-spectrometric data being resolved, carries out nuclide identification, has greatly improved monitoring velocity and efficiency.
Three, the present invention can upload to land station by each Monitoring Data in time.Liquified gas tanker from nuclear emergency response, directly the data that record are uploaded in time by wireless link (big-dipper satellite, GPRS, CDMA), so that nuclear emergency commanding agency fusion treatment is from the Radiation monitoring data on each side (sea, land, aerial), the convenient radioactive contamination situation map that generates in time different time.
Four, the special-purpose radiation monitor of the integrated marine nuclear emergency of buoy of the present invention and Radiation monitoring module composition, there is unmanned, intelligentized feature, and design specialized lithium-ions battery group is as power supply, make the present invention can not be subject to the impact of meteorological and sea situation, round-the-clock, full-time, long-time at sea, continuous, non-stop run.Meanwhile, due to unmanned, can reduce and take resource, alleviate guarantee difficulty, also without ship being carried out to strict and complicated decontamination decontamination.
Five, the present invention is easy to form marine nuclear emergency radiation surveillance network, can implement large area monitoring.Marine EPZ scope is very large, and area reaches more than 1,000 square kilometre, and large area Radiation monitoring is implemented in prior art networking at sea, therefore, brings difficulty to the assimilation of data.The present invention's motor-driven laying of quantity on demand in EPZ at sea, fixed point networking, facilitates data assimilation and draws and pollute situation map, also convenient sea pollution situation is evaluated.The large area measured data obtaining can also be revised predicting the outcome in time.
Six, emergency monitoring is different from daily monitoring, while being characterized in emergency response, can launch rapidly, after emergency finishes, can remove rapidly receipts.For this reason, volume of the present invention is little, lightweight, be convenient to professional or layman and use crane, capstan winch, and specific purpose tool lays recovery, also can not use any machinery, instrument, artificial free-handly lays recovery, and use-pattern has good dirigibility.
Seven, the present invention is a kind of unmanned nuclear emergency radiation monitoring device.Due to without manually on duty, operation, therefore, can be in high pollution head of district phase, continuous working, and need not consider the control problem of personnel's radioactive dose, the personnel of having eliminated are subject to according to risk and psychological burden.
Accompanying drawing explanation
Fig. 1 is composition frame chart of the present invention.
Fig. 2 is longitudinal profile of the present invention structural map.
Fig. 3 is outside drawing of the present invention.
Fig. 4 is upward view and the front view of battery flat of the present invention.
Fig. 5 is radiation gauge of the present invention, power spectrum probe and battery pack electrical connection figure.
Fig. 6 is battery pack upward view of the present invention, front view and vertical view.
Wherein: 1. control/administration module, 2. dose rate detecting module, 3. cursor lamp, 4. antenna, 5. head-shield, 6. trim ring, 7. " О " type rubber seal, 8. go up abutment ring, 9. instrument room, 10. power spectrum is popped one's head in, 11. connecting screw rods, 12. times abutment rings, 13. " О " type rubber seal, 14. power spectrum probe mounting frames, 15. battery flats, 16. guide pipes, 17. battery pack, 18. sacrificial anodes, 19. anchor rings, 20. test socket, 21. supply sockets, 22. rubber columns, 23. shackles, 24. tail chains, 25. anchor lines, 26. end chains, 27. anchors, 28. anchor ring seats, 29. plugs, 30. convex falcons, 31. carrying handles.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated.
As depicted in figs. 1 and 2, the present invention is based on the marine nuclear emergency radiation monitor of circular cylindrical shape buoy, comprise Radiation monitoring assembly, buoy, battery pack 17 and anchor system; Described Radiation monitoring assembly is comprised of radiation gauge and power spectrum probe 10; Described buoy is cylindrical-shaped structure, and it is comprised of head-shield 5, instrument room 9, battery flat 15, and battery flat 15 is positioned at the below of instrument room 9; Described radiation gauge is arranged on instrument room 9 upper ends, and described power spectrum probe 10 is arranged on instrument room 9 lower ends, and described battery pack 17 is arranged on (being that radiation gauge, power spectrum probe 10 and battery pack 17 are along upper and lower in upright arrangement installation of buoy central axis) in battery flat 15; Described anchor is to be connected with battery flat 15 bottoms; Described buoy is as the support platform of Radiation monitoring assembly, and when the operation at sea of Radiation monitoring assembly, described radiation gauge is in water surface top, and described power spectrum probe 10 is in water; Described Radiation monitoring assembly is used for monitoring maritime environment gamma dose rate and water gamma spectrum data, and by the real-time data transmission recording to land station; Described battery pack 17 is used to Radiation monitoring assembly power supply; Described anchor is for fixed buoy.
The present invention is when battery pack 17 enters duty for Radiation monitoring assembly power supply, the gamma dose rate of radiation gauge its surrounding environment of Real-Time Monitoring on the position apart from 1 meter, sea, and power spectrum probe 10 is transferred to the Miniature multi-way that is embedded in control/administration module 1 after the gamma spectrum signal lower than in 0.7 meter of Real-time Obtaining seawater of the water surface, monitoring when having realized two kinds of radiation datas; And radiation gauge of the present invention is when work apart from sea 1 meter, thereby the present invention can be measured by state specified standards method.
Radiation gauge of the present invention comprises antenna 4, cursor lamp 3, dose rate detecting module 2 and control/administration module 1, and wherein control/administration module 1 is connected with antenna 4, cursor lamp 3, dose rate detecting module 2 and power spectrum probe 10 respectively; Described dose rate detecting module 2 is for monitoring maritime environment gamma dose rate, and the data transmission monitoring given to control/management mould 1; Described control/administration module 1 sends to land station by dose rate detecting module 2 and power spectrum probe 10 data that transmit by antenna 4 on the one hand, the instruction sending by antenna 4 satellite receivers on the other hand, controls dose rate detecting module 2 and power spectrum probe 10 according to the instruction receiving; Described cursor lamp 3 is for showing position, monitoring point and monitoring range, and it can adopt photosensitive tube to control, and also can adopt control/administration module 1 to control.
The present invention preferably concentrates on antenna 4, cursor lamp 3, dose rate detecting module 2 and control/administration module 1 respectively on a circuit board, and 4 circuit boards connect into pyramidal structure with metal screw, adopts this structural design to be convenient to the installation of radiation gauge.
The Main Function of buoy of the present invention is: for Radiation monitoring assembly provides the mounting platform that can meet Radiation monitoring technical requirement, hold battery pack 17, and can or use machinery, specific purpose tool Quick distributor and recovery with manual type.Its concrete technical scheme is: buoy adopts syllogic unitized construction, and its profile is isometrical circular cylindrical shape; Head-shield 5 profiles are semisphere or cylindrical, use transparent engineering plastics to make, and are convenient to like this wave transparent, printing opacity; Trim ring 6 uses aluminium alloy or nonmetallic materials to make, and profile is annular.Instrument room 9 and battery flat 15 connected modes are: two circular holes in battery flat 15 bottoms respectively penetrate a connecting screw rod 11(and see Fig. 4), through battery pack guide pipe, 16(is shown in Fig. 4, Fig. 6), be screwed into the corresponding screw of power spectrum probe mounting frame 14 base plate, realize the connection of battery flat 15 and instrument room 9.Meanwhile, battery flat 15 oral area both sides convex falcons 30 embed the detent of instrument room 9 both sides, lower end.Head-shield 5 with instrument room 9 connected modes is: by the order of head-shield 5, trim ring 6, pack abutment ring 8 on instrument room 9 into, 8 screws of head-shield 5 oral area outers, trim ring 6 are aimed to 8 screws of upper abutment ring 8 simultaneously, at each screw, be screwed into a screw.
Buoy, except two place's connecting portions, also has two confessions to penetrate the circular hole of connecting screw rod 11 in battery flat 15 bottoms, and a pressure tap for airtight inspection.The sealing means that these positions are taked is: the 1. sealing of instrument room 9 and battery flat 15, and the sealing of head-shield 5 and instrument room 9, all take radial seal,, in the abutment ring seal groove at instrument room 9 two ends, be respectively charged into " О " type rubber seal, tighten the connecting screw rod 11 in conjunction with instrument room 9 and battery flat 15, and instrument room 9 and the screw that head-shield 5 is connected, make battery flat 15 oral area inner sides, head-shield 5 oral area inner sides and rubber seal closely sealed.2. connecting screw rod 11 circular holes and the pressure tap of battery flat 15 bottoms are all taked butt-end packing,, in connecting screw rod 11 and plug 29 nut seal grooves, respectively pack " О " type rubber seal into, when tightening connecting screw rod 11 and plug 29, " О " type rubber seal and circular end face are realized closely sealed.
Lithium-ions battery group 17 of the present invention is used the larger monomer lithium ion battery of energy density to combine, and is arranged in buoy battery flat 15, and Main Function is: for Radiation monitoring assembly provides electric power, and as the counterweight of stablizing buoy attitude.Its concrete technical scheme is: use a plurality of monomer lithium ion batteries to take string mode to combine, composition open-circuit voltage is the cylindrical cell group 17 that 10-16.8V, rated capacity are 300Ah.Battery pack 17 housings are aluminium alloy, and top panel is respectively established a supply socket 21, test socket 20 and carrying handle 31.Supply socket 21 is to Radiation monitoring assembly output power; Test socket 20 is that total voltage, component voltage, output current and the residual capacity parameter of battery pack 17 are provided to the control/administration module 1 of radiation gauge.For in the interior stationary stroage battery group 17 of battery flat 15 with through for the connecting screw rod 11 in conjunction with instrument room 9, battery flat 15, see Fig. 4, battery pack 17, being longitudinally provided with two guide pipes 16, is shown in Fig. 6.Battery pack 17 is electrically connected to the control/administration module 1 of radiation gauge.
Anchor ring 19 use aluminium alloys of the present invention are made, and its connected mode is: anchor ring 19 is connected with the anchor ring seat 28 that is welded on battery flat 15 bottoms by latch, and anchor ring 19 can swing.Anchor system is comprised of anchor 27, anchor chain (tail chain 24, end chain 26), anchor line 25 and shackle 23, and structure is swinging mooring's relaxed type, and Main Function is: buoy is lived in the position mooring of at sea setting.Its concrete technical scheme is: by the order of tail chain 24, anchor line 25, end chain 26 and anchor 27, form elasticity mooring assembly, see Fig. 3.Tail chain 24 use shot shackles are made, and for stablizing buoy attitude, and length available is adjusted the counterweight of buoy; Anchor line 25 is selected elasticity and is absorbed the good Sythetic fiber rope of energy; End chain 26 selects the stainless steel material that tension intensity is high, corrosion resistance is good to make; Anchor 27 is selected the grip anchor of 75 kilograms, to meet the requirement that do not drag of anchor under different waters substrate, extreme environment condition; Shackle 23 is for the connection of tail chain 24, anchor line 25, end chain 26, anchor 27, and tail chain 24 is connected with the anchor ring 19 of battery flat 15 bottoms.
The present invention also further comprises sacrificial anode 18, and its effect is to slow down the corrosion of seawater to buoy, and sacrificial anode 18 is arranged on battery flat 15 bottoms, and connected mode is: with screw, two sacrificial anodes 18 are screwed in to battery flat 15 bottoms.
The installation process of radiation monitor of the present invention is:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 6, the radiation gauge being comprised of control/administration module 1, dose rate detecting module 2 cursor lamps 3 and antenna 4 is arranged on the upper abutment ring 8 of instrument room 9, and is fixed with 4 screws.Power spectrum probe 10 is first arranged on power spectrum probe mounting frame 14, then two screws of power spectrum probe mounting frame 14 use is fixed on to 9 times abutment rings 12 of instrument room.On instrument room 9, in abutment ring 8 seal grooves, pack one " О " type rubber seal 7 into, be loaded on head-shield 5, trim ring 6, and with 8 screws, head-shield 5 and trim ring 6 are fixed on to upper abutment ring 8.
Battery pack 17 is packed in battery flat 15, in lower abutment ring 12 seal grooves of instrument room 9, pack one " О " type rubber seal 13 into, from battery flat 15 bottoms, pierce into two and overlap respectively the connecting screw rod 11 that has one " О " type rubber seal, through battery pack 17 guide pipes 16, pass, from connecting screw rod 11 tops, be inserted in respectively again the rubber column 22 of a stationary stroage battery group 17, then connecting screw rod 11 is aimed to the screw of power spectrum probe mounting frame 14 base plates, adjusting battery flat 15 makes convex falcon 30 aim at instrument room 9 detents, from battery flat 15 bottoms, tighten connecting screw rod 11.With two screws, respectively two sacrificial anodes 18 are tightened in to battery flat 15 bottoms.Through pressure tap, in buoy, be filled with an atmospheric pressurized air, or vacuumize an atmospheric pressure with vacuum pump, maintain 30 minutes, after confirming that buoy air-tightness meets the requirements, pressure release, tightens the plug 29 that cover has " О " type rubber seal.By the order of tail chain 24, anchor line 25, end chain 26, anchor 27, with shackle 23, connect to form anchor system, the other end of tail chain 24 is connected with anchor ring 19 with shackle 23.
With shown in Fig. 5, Radiation monitoring assembly is electrically connected to and is formed by radiation gauge and power spectrum probe 10, takes integrated design on function and structure as shown in Figure 1, Figure 2.Control/the administration module 1, dose rate detecting module 2, cursor lamp 3 and the antenna 4 that form radiation gauge concentrate on respectively on a circuit board, with metal screw, each circuit board are connected into tower structure by upper and lower form.
Specific works process of the present invention is as follows:
Before laying, the first depth of water of preliminary judgement monitoring location on sea chart, and the anchor system of preparing accordingly appropriate length, arrive predetermined laying behind position, then it is sea water advanced with sounder, to survey reality, confirms anchor is whether length meets mooring requirement, if be not inconsistent, to anchor, be that length appropriately adjusts.
Artificial or utilize crane, capstan winch, specific purpose tool etc., according to the order of " first anchor after mark ", slowly radiation monitor of the present invention is put into marine.Observe attitude, the record of radiation monitor in seawater and lay time and coordinate.
Land station sends " startup work " instruction to the control/administration module 1 of Radiation monitoring assembly by wireless link (big-dipper satellite, GPRS, CDMA), and control/administration module 1 is other device and the 10 transmission work orders of power spectrum probe to radiation gauge by signal wire.
Radiation gauge enters after duty, dose rate detecting module 2 sends to control/administration module 1 by the environmental γ dose rate data that monitor, 1 pair of Monitoring Data of control/administration module is carried out after analyzing and processing, integrate again the work state information of monitoring time that big-dipper satellite provides and monitoring point coordinate data, each several part and battery pack 17 voltages, component voltage, electric current, residual capacity data, form integrated data bag, by big-dipper satellite or GPRS or CDMA data transmission link, upload.Land station receives the integrated data bag of uploading in real time, resolves and do to show result after Correlation method for data processing.Dose rate detecting module 2 can be adjusted monitoring time interval by three kinds of modes: the one, and the default time that follow procedure is set; The 2nd, by gamma dose rate situation of change, automatically adjust; San Shian land station instruction works.
Obtain the power spectrum probe 10 of gamma spectrum signal, the default time that follow procedure is set or the instruction works of land station, and by what record, can send to control/administration module 1 by spectrum signal by signal wire.Control/administration module 1 is treated, after packing, by big-dipper satellite or GPRS or the subpackage of CDMA data transmission link, upload, and land station shows result to Data Analysis, after processing.
Integrated data bag and gamma-spectrometric data Bao Jun are stored in control/administration module 1, if having packet loss, wrong bag situation while uploading, control/administration module 1 can be reissued according to the instruction of land station.
Cursor lamp 3 is controlled by the photosensitive tube that is arranged on cursor lamp 3 circuit boards, and when night or insufficient light, photosensitive tube sends signal enabling cursor lamp 3; Daytime, when bright and clear, photosensitive tube sent signal at stop cursor lamp 3.Land station also can intervene by 1 pair of cursor lamp 3 duty of control/administration module.
The duty of 1 pair of radiation gauge of control/administration module, power spectrum probe 10 and battery pack 17 is carried out omnidistance control and management.When battery pack 17 voltages or residual capacity drop to threshold value, control/administration module 1 is closed dose rate detecting module 2 and power spectrum 10 power supplys of popping one's head in immediately automatically, only retain transmission and the work at 3 night of cursor lamp of locating information, and detection and control terminal sends warning message earthward.
The present invention has big-dipper satellite, GPRS and tri-kinds of communication modes of CDMA, and control/administration module 1, after signal of communication is detected, by the order of GPRS, CDMA, satellite communication, is selected communication link transmission data automatically; When having two or three communication mode to meet communication condition, land station also can intervene the selection of control/administration module 1 simultaneously.
After needs are changed battery pack 17 or marine nuclear emergency Radiation monitoring task and are finished, to send peculiar to vessel manually, or crane, capstan winch, and Special back puts the tools away, by " first anchor after mark " identical order when laying, salvage the present invention.After rinsing, clean with fresh water, by the order that assembling is contrary, decompose the present invention.Decompose to proceed to and take out after battery pack 17: (1) needs to change battery pack 17 in this way, changes the battery pack 17 of an electric weight abundance, then assembles the present invention, by laying identical method, the present invention is rendered to marine again; (2) finish in this way marine nuclear emergency Radiation monitoring task, decompose and take out after battery pack 17, the instrument room 9 with Radiation monitoring assembly and head-shield 5, battery flat 15, battery pack 17 are respectively charged in packing case.
Can use the present invention of some to form marine nuclear emergency radiation surveillance network, with in time, obtain whole marine emergency response district radioactive contamination situation comprehensively, this for emergency command at different levels organization, implement other emergency response action and be of great significance.
Radiation gauge in the present invention is surveyed height and is required consistent with the technical standard of measurement environment gamma dose rate, for marine nuclear emergency Radiation monitoring provides a kind of reliable, effective method and instrument and equipment, overcome prior art and cannot directly obtain the defect of accurate data because of measuring height and shielding problem.Buoy in the present invention adopts isometrical circular cylindrical shape three stage structure, have that volume is little, lightweight, simple structure, decomposition in conjunction with convenient, be easy to lay recovery, the convenient features such as transportation that store; With Radiation monitoring assembly, the integrated design of battery pack 17, formed the indispensable part of radiation monitor of the present invention.The present invention is long time continuous working at sea, and can pass through the real-time uploading data of various wireless communication mode, solved the prior art problem of long time continuous working at sea, thereby, can obtain comparatively comprehensive, complete Radiation monitoring data, be conducive to improve nuclear emergency response activities benefit.The present invention is a kind of intelligentized marine nuclear emergency Radiation monitoring equipment, without manually on duty, can work in high radiation marine site, solve the problem that prior art duty assurance difficulty is large, personnel are subject to shine and have a big risk, psychological burden is heavy, cannot work in high radiation sea area, be conducive to reduce emergency response action cost.The present invention can singly overlap use, the more important thing is can be according to the size of polluting marine site, use flexibly the present invention of many covers to form the marine nuclear emergency radiation surveillance network of different scales, overcome the defect that prior art cannot synchronous network, can obtain in time the Radiation monitoring data in whole monitoring marine site.
In a word, there is obvious effect the technical progress of the present invention's nuclear emergency Radiation monitoring at sea and minimizing emergency response action two aspects of cost.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the marine nuclear emergency radiation monitor based on circular cylindrical shape buoy, is characterized in that, comprises Radiation monitoring assembly, buoy, battery pack (17) and anchor system;
Radiation monitoring assembly is comprised of radiation gauge and power spectrum probe (10); Buoy is circular cylindrical shape structure, and it is comprised of head-shield (5), instrument room (9) and battery flat (15), and battery flat (15) is positioned at the below of instrument room (9); Described radiation gauge is arranged on instrument room (9) upper end, and described power spectrum probe (10) is arranged on instrument room (9) lower end, and described battery pack (17) is arranged in battery flat (15), and described anchor is to be connected with battery flat (15) bottom.
2. the marine nuclear emergency radiation monitor based on circular cylindrical shape buoy according to claim 1, is characterized in that, when the operation at sea of Radiation monitoring assembly, the distance between described radiation gauge and the water surface is 1 meter, and described power spectrum probe (10) is placed in water.
3. according to the marine nuclear emergency radiation monitor based on circular cylindrical shape buoy described in claim 1 or 2, it is characterized in that, described radiation gauge comprises antenna (4), cursor lamp (3), dose rate detecting module (2) and control/administration module (1); Wherein control/administration module (1) is connected with antenna (4), cursor lamp (3), dose rate detecting module (2) and power spectrum probe (10) respectively.
4. the marine nuclear emergency radiation monitor based on circular cylindrical shape buoy according to claim 3, it is characterized in that, described antenna (4), cursor lamp (3), dose rate detecting module (2) and control/administration module (1) concentrate on respectively on a circuit board, and each circuit board connects into pyramidal structure with metal screw.
5. the marine nuclear emergency radiation monitor based on circular cylindrical shape buoy according to claim 1, is characterized in that, described head-shield (5) is semisphere or cylindrical, and its material is transparent engineering plastics.
6. according to the marine nuclear emergency radiation monitor based on circular cylindrical shape buoy described in claim 1 or 2, it is characterized in that, described instrument room (9) and battery flat (15) connected mode are: with metal connecting screw rod (11), from battery flat (15) bottom, penetrate into instrument room (9) inner and fixing.
7. according to the marine nuclear emergency radiation monitor based on circular cylindrical shape buoy described in claim 1 or 2 or 5, it is characterized in that, between described head-shield (5) and instrument room (9), adopt radial seal mode to seal between instrument room (9) and battery flat (15).
8. according to the marine nuclear emergency radiation monitor based on circular cylindrical shape buoy described in claim 1 or 2, it is characterized in that, described battery pack (17) takes string mode to combine by a plurality of monomer lithium ion batteries, and its open-circuit voltage is 10-16.8V, and rated capacity is 300Ah.
9. according to the marine nuclear emergency radiation monitor based on circular cylindrical shape buoy described in claim 1 or 2, it is characterized in that, described battery pack (17) is cylindrical, and battery pack panel is provided with supply socket (21), test socket (20) and carrying handle (31).
10. according to the marine nuclear emergency radiation monitor based on circular cylindrical shape buoy described in claim 1 or 2, it is characterized in that, described radiation monitor also comprises at least one sacrificial anode (18), and it is arranged on buoy bottom.
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| EP2955054A1 (en) * | 2014-06-12 | 2015-12-16 | Sic Lazaro, S.L. | A counterweight for tensioning the wire of a catenary in a railway line |
| CN105738938A (en) * | 2016-04-22 | 2016-07-06 | 中国原子能科学研究院 | Radioassay system under extreme conditions |
| CN105761440A (en) * | 2016-04-19 | 2016-07-13 | 成都新核泰科科技有限公司 | On-line real time monitoring and early-warning system for radioactivity in water |
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| CN108173968A (en) * | 2018-02-01 | 2018-06-15 | 山东省科学院海洋仪器仪表研究所 | Marine radioactive events are met an urgent need tracking and monitoring device and method in short term |
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| CN108828646B (en) * | 2018-07-03 | 2024-04-12 | 国家海洋技术中心 | Open sea area radioactivity monitoring system based on wave energy glider |
| CN109330598A (en) * | 2018-10-31 | 2019-02-15 | 上海健康医学院 | It is a kind of based on the positron radionuclide real-time counting detector for meeting detection principle |
| CN110068663A (en) * | 2019-04-25 | 2019-07-30 | 西南科技大学 | A kind of appraisal procedure of ocean nuclear pollution degree |
| CN111301611A (en) * | 2020-02-20 | 2020-06-19 | 中国科学院水生生物研究所 | Construction method of whale sonar monitor fixed platform based on floating body structure |
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