CN103612722B - Spilled-oil tracking location Real-Time Monitoring water-surface oil film pollutes buoy method and device thereof - Google Patents
Spilled-oil tracking location Real-Time Monitoring water-surface oil film pollutes buoy method and device thereof Download PDFInfo
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- CN103612722B CN103612722B CN201310476693.7A CN201310476693A CN103612722B CN 103612722 B CN103612722 B CN 103612722B CN 201310476693 A CN201310476693 A CN 201310476693A CN 103612722 B CN103612722 B CN 103612722B
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Abstract
The present invention relates to a kind of spilled-oil tracking location Real-Time Monitoring water-surface oil film and pollute float gear; float gear comprises buoy shell; buoy shell outer setting has Oil spill detection sensor, and be provided with detection module electronic equipment assembly in buoy shell, float gear also comprises remote monitoring platform; Sensor is conductance type Oil spill detection sensor, detection module electronic equipment assembly produces AC signal and imposes voltage to conductance type Oil spill detection sensor and carry out acquisition process to signal, Oil spill detection sensor is conductance type Oil spill detection sensor, the information that there is oil film pollution can be judged whether, and can to information and process.Design concept of the present invention is novel, and structure is unique, and object is oil spill accident emergency reaction commanding and decision-making department, and the possible water oil stain dye position of fast searching also obtains contamination data, for it implements the spilled oil on water surface electronic information means that Environmental capacity provides advanced.
Description
Technical field
The invention belongs to marine environmental protection field, be specifically related to a kind of spilled-oil tracking location Real-Time Monitoring water-surface oil film and pollute buoy method and device thereof.
Background technology
The domestic and international sensing technology detected for water-surface oil film has multiple at present, mainly contains the optics sensing oil slick interference fringe technology such as infrared, ultraviolet, and electromagnetic radiation signal differentiates profit concentration technology etc. with phase of received signal is poor.Because related transducer equipment does not directly contact with actual oil film waterborne, all belong to no touch sensor measuring, as infrared, the ultraviolet Oil spill detection equipment of domestic current import.This equipment oil film discrimination is lower, and reflective, aquatic organism of the water surface etc. all may be reported by mistake as oil film, rate of false alarm about 30% ~ 40%.Optical pickocff general cost is higher.Because sensor is not with water surface floating, remarkable by tidal range, wave effect.Misty rain can cause transducer sensitivity to change by scattering absorption light, and salt fog and marine climate also can cause optics to corrode.Another is membrane conductance technical sensor, and basic functional principle is when oil clings molecular film, and film is damaged immersion by electrode conduction, and then testing circuit judges the existence of water-surface oil film.Crucial " film " easily weathers and causes service life partially short under saltwater environment, can not repeated usage after immersion oil.
Spilled-oil tracking location Real-Time Monitoring water-surface oil film pollute float gear be provided with oil film sensor, location, communication module, power-supply system and and remote monitoring platform with the use of obtain the advanced electronic information aid of water-surface oil film information for trackable surface oil film position simultaneously.When after generation marine ships oil spill accident, emergency reaction personnel are in time by the supervisory system of this float gear or many devices composition, the water surface that oil spilling maybe may be polluted by the oil is rendered to ship or aircraft, according to data such as whether the spilled oil on water surface drift bearing, range of scatter and the oil film that obtain exist, for the commanding and decision-making personnel of Control pollution accurately grasp polluted information service.This technology belongs to marine environmental protection field.
Water-surface oil film mainly flows and makes it at water surface travel motion with the force action of wind, adopts the drifting buoy of satellite positioning can trackable surface oil film more accurately.But because marine environment is complicated, oil film can be incoherent on sea, and buoy may depart from oil film sense of motion etc., while the information such as acquisition oil film floats towards, the water oil stain dye information of true acquisition buoy present position is extremely important.
Adopt the float gear trackable surface oil spilling with location and communication function, have research, multinomial patent and product both at home and abroad at present, but not only obtaining location information but also can grasp in the design of oil pollution situation simultaneously, the breakthrough of matter can be there is no.
The buoy float structure design that spilled-oil tracking buoy device general both at home and abroad adopts is substantially similar, namely adopts a float or kickboard to provide buoyancy, and built-in GPS location, maritime satellite or other communication facilities are formed.As Canadian a kind of product and domestic several patents, be and be equipped with GPS or other global positioning system, maritime satellite, Beidou communication satellite or GPRS network communication facilities spherical closed shell is in-built.A patent as Japan adopts thin type housing, built-in similar electronic machine; But the reference that these products or patent are merely able to provide by the location information of buoy water-surface oil film orientation can not obtain oil pollution information simultaneously.Such as CN2188764Y discloses a kind of oil film detecting sensor on surface, and sensor is made up of float and electrode, and float is made up of light weight insulating material, do not absorb water, not oil suction, withstanding corrosion have certain rigidity; The structure of float is divided into upper and lower two parts, and arrange the tiny electrode being no less than two at the floating line position of float, float bottom is immersed in the water and produces buoyancy; Buoy upper is taper, leaves the plane that can contact with the water surface, the adhesive ability produced between this plane and water surface at the cone end, float mode of operation can be made steady, ensure that electrode is positioned at the critical surface of water and air and not easily breaks the water or be immersed in the water; Electrode outlet line is drawn by the vertex of a cone of buoy upper by float inside, is connected to the input end of testing circuit; Sensor is free-floating at the mode of operation of the water surface, can not be connected by fixing mode with surrounding objects.There is certain defect in this patented technology, main technical matters is: (1) equipment is complicated, involves great expense; (2) although leave the plane that can contact with the water surface at the cone end, the adhesive ability produced between this plane and water surface, but this adhesive ability is less, larger relative to Oversea wind, can not guarantee that float mode of operation is steady, for signal or data transmission bring fugitiveness, signal or data reliability reduce.In addition, in this research unit patent 1) oil film detecting sensor on surface, the patent No. (93241074.X); 2) multi-floater disc-type spilled-oil tracking buoy, the patent No. (ZL201010191931.6); 3) water-surface oil film sampling device, the patent No. (ZL200910250072.0); 4) marine oil overflow drift path and diffusion Fast Prediction method, on the basis of the patent No. (ZL201110089491.8), but all there is above-mentioned technical matters in these patents.
Have data to show to be contained in buoy top with several cameras to monitor water-surface oil film as eyes, but its height and spectrum applicable area make monitoring range and round-the-clock on there is significant limitation, but the probably pickup camera lens inefficacy of stormy waves and oil film.Namely the actual performance providing oil film to monitor remains in open defect.
The attention to marine environmental protection along with China's economic development and country; the departments such as China's maritime affairs, ocean, fishery and marine petroleum development; in the emergency reaction measure of reply petroleum pollution in ocean; propose the demand about this kind of float device is equipped with; can while acquisition oil film position, the oil film information accurately that obtains directly has influence on the development of technology and product.
The present invention mainly breaks through existing technological deficiency in the design of spilled-oil tracking locating buoy, adopts the difficult problem that conductivity sensor solution oil film detects in real time.The detection module that sensor is placed in housing external application lead-in wire built-in with housing is connected, the electronic machines such as satellite positioning, satellite or network service, power supply, solar cell are installed, at ship or on the bank by remote monitoring platform acquisition oil film position and contamination level information in housing.Detect with sensor technology while the structure of this uniqueness one can obtain water-surface oil film location information and the new-type oil spillage buoy of polluted information can be obtained at monitoring client.This buoy compares with currently available technology, not only department can be commanded to provide the information such as the floating towards of oil film, position, migration velocity to spill response, has innovation and break through in Obtaining Accurate oil pollution data.The technology of the present invention still belongs to pioneering at home and abroad, has very strong application and popularization value.
Summary of the invention
The present inventor mainly have studied the spilled oil monitoring ability of conductivity sensor under different quality, environment, have developed a kind of oil spilling sensor, solves that oil spilling biosensor power consumption is large, the practicality problem of poor reliability.
Feature of the present invention is the hydrodynamic force feature having considered sea wind and ocean current, improves buoy float contour structures, and research and development volume is little, drift tracking is functional, have the buoy float of waterproof structure and anti-collision capacity.Devise the overall architecture of sensor and drifting buoy body, by integrated positioning, network communications technology and monitor supervision platform system, new generation marine oil spill pollutes tracing and monitoring buoy model machine, carries out sea test, monitors offshore spilled oil, early warning.
The object of the present invention is to provide a kind of spilled-oil tracking to locate Real-Time Monitoring water-surface oil film and pollute float gear, this buoy breaks through the technological deficiency of existing product and patent in design, can while the location informations such as acquisition oil spilling floats towards, obtain the water oil stain dye information under this position, for emergency reaction commander department fast searching spilled oil on water surface, accurate grasp pollution situation, to implement Environmental capacity, provides position and contamination data.
The present invention is that a kind of spilled-oil tracking location Real-Time Monitoring water-surface oil film pollutes float gear, this buoy comprises buoy shell, conductance oil film sensor, the several main portion composition of electronic machine and the remote monitoring platforms etc. such as detection module, buoy floats on the water surface with current and oil film motion, sea location information is obtained by the satellite positioning device of inside, the water surface is contacted by conductivity sensor, judge under the cooperation of detection module the water surface oil pollution situation and together with location information, contact by the network communications technology such as satellite or GPRS and remote monitoring platform through communication module, display position and polluted information.
The concrete technical scheme of the present invention is as follows: spilled-oil tracking location Real-Time Monitoring water-surface oil film pollutes float gear, it is characterized in that: described float gear comprises buoy shell, described buoy shell outer setting has Oil spill detection sensor, be provided with detection module electronic equipment assembly in described buoy shell, described float gear also comprises remote monitoring platform;
Described buoy shell is the spherical closed shell be fastened by bolts by two hemispherical shells, described Oil spill detection sensor is the conductance type Oil spill detection sensor be fixed on outside housing, described detection module electronic equipment assembly produces AC signal and imposes voltage to described conductance type Oil spill detection sensor and carry out acquisition process to signal, described detection module electronic equipment assembly is by global position system, radio communication device and power supply composition, described remote monitoring platform comprises network communicating system and computer system, described network communicating system is furnished with electronic chart software, described computer system can show buoy position and polluted information, described buoy shell adopts non-metallic material to make, and described non-metallic material is that glass-felt plastic, carbon fiber or engineering plastics are made, and is subject to electromagnetic screening to avoid location and wireless communication apparatus, described Oil spill detection sensor is conductance type Oil spill detection sensor, and described conductance type Oil spill detection sensor is 1-100, and the number wherein often only with electrode is 2-10, the AC signal that described detection module electronic equipment assembly produces is sinusoidal waveform, square wave or chopping sea, described AC signal imposes voltage to described conductance type Oil spill detection sensor, described conductance type Oil spill detection sensor can judge whether the information that there is oil film pollution, and can to described information and process, detection module electronic equipment assembly analogous circuit, digital circuit and microprocessor build.
Preferred described buoy shell is spherical, adapts to different wind or the resistance of current, and the size of housing depends on power consumption and the weight of sensor, electronic machine.
Described conductance type Oil spill detection sensor is 30, and the number wherein often only with electrode is 4;
Preferred remote monitoring platform is the computer installation being furnished with electronic chart, remote sensing map, electronic chart and monitoring software, and be made up of network communicating system, platform obtains buoy terminal location and alarm message by server, internet, satellite communication, and carries out monitoring and show.
Outside preferred buoy shell, passive reflector sign is also housed, is convenient to aircraft and/or ship is searched at sea.
Preferred described global position system is gps satellite location or big-dipper satellite location; Described radio communication device is maritime satellite communication or GPRS network communication.
The present invention also provides a kind of using method of described device, and described float gear is placed in target marine site, adjusts the Oil spill detection sensor of the attached setting of described buoy shell and described detection module electronic equipment assembly, and adjusts remote monitoring platform; Carry out spilled-oil tracking location Real-Time Monitoring water-surface oil film pollution situation.
Preferred described Oil spill detection sensor is the conductance type Oil spill detection sensor be fixed on outside housing, described detection module electronic equipment assembly produces AC signal and imposes voltage to described conductance type Oil spill detection sensor and carry out acquisition process to signal, and described conductance type Oil spill detection sensor differentiates oil slick based on the conductivity difference in dielectric constant that there is several order of magnitude between water and oil.
The Main Function of described buoy shell is for oil film sensor electronic machine provides buoyancy; Buoy shell adopts non-metallic material to make, such as glass-felt plastic, engineering plastics, can adopt spherical or other shape according to design; Other effect of buoy shell is airtight, working properly to ensure housing inner electronic equipment; This housing size and shape depends on comformability to current and wind and electronic machine weight, power consumption.
Described conductivity sensor is made up of electrode, is placed in outside housing and contacts with the water surface; Can according to actual conditions, a buoy is equipped with several conductivity sensors to ensure Oil spill detection reliability; Electrode is arranged in a protective case, and when electrode contact water, conductance increases, and after running into oil film, conductance reduces.
Described detection module is analog or digital electronics package, or micro controller system, MCU microcomputer unit; Device provides alternating-current voltage/AC voltage for sensor electrode and carries out filtering, statistics, alerting signal process to signal; Voltage, size of current and waveform are according to detection sensitivity, electrode life and determining.Conductivity sensor differentiates oil slick based on the conductivity difference in dielectric constant that there is several order of magnitude between water and oil.Its advantage is that price is relatively low, highly sensitive.
Described housing inner electronic equipment comprises other satellite positioning communication module or the device such as GPS or other satellite positioning, maritime affairs or the Big Dipper; Comprise antenna location and communication antenna and power-supply system.
Described remote monitoring platform is the buoy data display monitoring terminal under computing machine and the electronic chart support such as sea chart, remote sensing figure, is connected with the communication facilities of buoy with server admin, wireless network forms; When buoy adopts maritime satellite or Beidou satellite communication, also directly can be connected with monitor supervision platform with corresponding satellite communication equipment, be convenient to off-lying sea and use.
Except above-mentioned main technical schemes, spilled-oil tracking location of the present invention Real-Time Monitoring water-surface oil film pollutes float gear, also comprises the face area auxiliary installation directional reflective mark that buoy shell provides, is convenient to personal identification and night plane and the ship search to buoy.
Advantage of the present invention and effect are: this design concept is novel, structure is unique, advantage can not only be had on the true polluted information of acquisition than the spilled-oil tracking buoy of prior art, and it is easy to make, use flexibly, can be the oil spill accident such as boats and ships, oil drilling platform emergency reaction commanding and decision-making department, failure-free spilled-oil tracking and Real-time Obtaining polluted information high-tech means are provided.Design concept of the present invention is novel, and structure is unique, and object is oil spill accident emergency reaction commanding and decision-making department, and the possible water oil stain dye position of fast searching also obtains contamination data, for it implements the spilled oil on water surface electronic information means that Environmental capacity provides advanced.
Accompanying drawing explanation
Fig. 1 is schematic side view of the present invention;
Fig. 2 is schematic top plan view of the present invention;
Fig. 3 is seal casinghousing inner electronic equipment schematic diagram of the present invention;
Fig. 4 buoyage Integrated Solution design framework map
In figure symbol and label declaration as follows:
1 housing, 2 sensors, 3 sensor stands, 4 cable connectors, 5 detection module electronic equipment assemblies, 6 storage batterys, 7 directional reflective marks.
Detailed description of the invention
As shown in Figure 1 and Figure 2, spilled-oil tracking location of the present invention Real-Time Monitoring water-surface oil film pollutes float gear, and this buoy comprises: buoy shell 1, sensor 2, sensor stand 3, cable connector 4, detection module electronic equipment assembly 5, storage battery 6, directional reflective mark 7.
As Fig. 3, shown in, spilled-oil tracking of the present invention location Real-Time Monitoring water-surface oil film pollutes float gear, and this buoy also comprises: the electronic machines such as the detection module in housing.
Buoy shell 1 adopts that glass-felt plastic, engineering plastics etc. are withstand voltage, waterproof, material that resistance to environmental impact is strong, and its volume size meets the buoyancy providing electronic machine, sensor, thickness of shell 1-10mm.
Sensor 2 shape can be sheet shape, circle, spherical or other shape; protecting sheathing material is the lightweight material such as glass-felt plastic, PVC and surface is opened and is severally not less than 1 millimeter opening; electrode is fixed in protecting sheathing; quantity is no less than 2 and is positioned at the water surface, draws wire be connected with the detection module in buoy shell from protecting sheathing.Conductivity sensor differentiates oil slick based on the conductivity difference in dielectric constant that there is several order of magnitude between water and oil.
Its size and shape of sensor stand 3 depends on sensor outer housing diameter, makes with corrosion-resistant steel or engineering plastics, fixes with bolt and buoy shell.
Cable connector 4 is a kind of waterproof joints, water tightness when specification ensures that cable penetrates housing.
The electronic machines such as detection module 5 select general module, and specification ensures to provide alternating-current voltage/AC voltage and the detection to oil film to conductivity sensor, ensure that the satellite positioning of buoy is communicated with remote monitoring platform with data wireless.
Storage battery 6 selects lead-acid battery or lithium cell according to power-on time.
Directional reflective mark 7 technique adheres to buoy shell surface with the coating of ultra micro beaded glass or with finished product retroreflecting material, and color needs to select according to user, and material requirements has weather resisteant and bonds firmly.
Electronic machine Fig. 3 in described buoy shell, can configure the performance need of buoy according to user, such as sensor detection module, GPS track and localization instrument, GPRS network communication module, maritime satellite or iridium satellite or Beidou communication satellite equipment; Lithium ion or plumbic acid rechargeable battery or other disposable battery is adopted to power.
Described spilled-oil tracking location Real-Time Monitoring water-surface oil film pollutes float gear system principle frame diagram Fig. 4, after implementing the design of this spilled-oil tracking location Real-Time Monitoring water-surface oil film pollution float gear, this device is as a kind of spilled-oil tracking locating buoy equipment that can detect water oil stain dye, the water surface can be put into from aircraft or ship after generation oil spill accident, according to its good motion characteristics with water meter surface current and wind, follow the motion of water meter oil film and send by the electronic machine in housing the water oil stain that oil spilling position and conductivity sensor accurately detect and contaminate information.
When implementing after this spilled-oil tracking location Real-Time Monitoring water-surface oil film pollutes float gear Computer Aided Design, night, the passive luminescence of directional reflective mark on buoy surface, was conducive to the search to buoy by the searchlight of aircraft and ship.
Buoy terminal receives the positioning signal of gps satellite, and parsed real-time position information (position, speed, time etc.) is sent to monitor supervision platform by wireless telecommunication system (satellite network or GSM network).Monitoring and control centre sets up data processing and web server function, processes data, and by the data after process by the computing machine of the Internet transmission to terminal user.
Follow the tracks of buoy and adopt maritime communications satellite system, be convenient to the communication system of International Maritime Organization (IMO), domestic water transport project is compatible, reliability is high, over-the-road expense is lower.Alarm float adopts the gsm communication network that cost is low, and common employing public network technology, data information transfer scope is restricted few.Above-mentioned spilled-oil tracking monitering buoy systematic technical indicator is as shown in table 1 below:
Table 1 spilled-oil tracking monitering buoy systematic technical indicator
The present invention is not limited to aforesaid detailed description of the invention.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.And above be only the preferred embodiment of the present invention, protection scope of the present invention is also not only confined to above-described embodiment, conceives various process programs without substantial differences all in protection scope of the present invention with the present invention.The present invention is elaborated it by detailed description of the invention, but those skilled in the art are made on this basis does not exceed any form of claims and the change of details, all belongs to invention which is intended to be protected.
Claims (7)
1. spilled-oil tracking location Real-Time Monitoring water-surface oil film pollutes float gear, it is characterized in that: described float gear comprises buoy shell, described buoy shell outer setting has Oil spill detection sensor, detection module electronic equipment assembly is provided with in described buoy shell, described float gear also comprises remote monitoring platform
Described buoy shell is the spherical closed shell be fastened by bolts by two hemispherical shells, described Oil spill detection sensor is the conductance type Oil spill detection sensor be fixed on outside housing, described detection module electronic equipment assembly produces AC signal and imposes voltage to described conductance type Oil spill detection sensor and carry out acquisition process to signal, described detection module electronic equipment assembly is by global position system, radio communication device and power supply composition, described remote monitoring platform comprises network communicating system and computer system, described network communicating system is furnished with electronic chart software, described computer system can show buoy position and polluted information, described buoy shell adopts non-metallic material to make, and described non-metallic material is that glass-felt plastic or carbon fiber are made, and is subject to electromagnetic screening to avoid global position system and radio communication device, described Oil spill detection sensor is conductance type Oil spill detection sensor, and described conductance type Oil spill detection sensor is 1-100, and wherein every conductance type Oil spill detection sensor has 2-10 electrode, the AC signal that described detection module electronic equipment assembly produces is sinusoidal waveform, square wave or chopping sea, described AC signal imposes voltage to described conductance type Oil spill detection sensor, described conductance type Oil spill detection sensor can judge whether the information that there is oil film pollution, and can to described information and process, detection module electronic equipment assembly analogous circuit, digital circuit and microprocessor build.
2. spilled-oil tracking location according to claim 1 Real-Time Monitoring water-surface oil film pollutes float gear, it is characterized in that: described buoy shell is spherical, adapt to the resistance of different wind or current, the size of housing depends on power consumption and the weight of sensor, electronic machine.
3. spilled-oil tracking location according to claim 1 Real-Time Monitoring water-surface oil film pollutes float gear, it is characterized in that: remote monitoring platform is the computer system of being furnished with electronic chart, remote sensing map, electronic chart and monitoring software, and be made up of network communicating system, platform obtains buoy terminal location and alarm message by server, internet, satellite communication, and carries out monitoring and show.
4. spilled-oil tracking according to claim 1 and 2 location Real-Time Monitoring water-surface oil film pollutes float gear, it is characterized in that: outside buoy shell, passive reflector sign is also housed, and is convenient to aircraft and/or ship is searched at sea.
5. the spilled-oil tracking location Real-Time Monitoring water-surface oil film according to claim 1 or 2 or 3 pollutes float gear, it is characterized in that: described global position system is gps satellite location or big-dipper satellite location; Described radio communication device is maritime satellite communication or GPRS network communication.
6. the spilled-oil tracking location Real-Time Monitoring water-surface oil film according to any one of claim 1-5 pollutes the using method of float gear, it is characterized in that: described float gear is placed in target marine site, adjust the Oil spill detection sensor of the attached setting of described buoy shell and described detection module electronic equipment assembly, and adjust remote monitoring platform; Carry out spilled-oil tracking location Real-Time Monitoring water-surface oil film pollution situation.
7. method according to claim 6, it is characterized in that: described Oil spill detection sensor is the conductance type Oil spill detection sensor be fixed on outside housing, described detection module electronic equipment assembly produces AC signal and imposes voltage to described conductance type Oil spill detection sensor and carry out acquisition process to signal, and described conductance type Oil spill detection sensor differentiates oil slick based on the conductivity difference in dielectric constant that there is several order of magnitude between water and oil.
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| CN201310476693.7A CN103612722B (en) | 2013-10-14 | 2013-10-14 | Spilled-oil tracking location Real-Time Monitoring water-surface oil film pollutes buoy method and device thereof |
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| CN103940466A (en) * | 2014-03-28 | 2014-07-23 | 交通运输部水运科学研究院 | Tracking monitoring system for oil spillage on water |
| CN104848899B (en) * | 2015-05-22 | 2017-09-26 | 广州杰赛科技股份有限公司 | Environment arrangement for detecting and emergent monitoring system |
| CN106442423A (en) * | 2016-11-30 | 2017-02-22 | 吉林大学 | Contact type oil spill monitoring system based on SPR sensing principle |
| CN106770391B (en) * | 2016-12-08 | 2023-10-10 | 宋镜明 | Detection system and detection method for water surface oil film |
| CN106483532B (en) * | 2016-12-28 | 2023-12-08 | 国家海洋技术中心 | Ocean iridium GPS beacon machine |
| CN107310692B (en) * | 2017-06-21 | 2018-11-30 | 合肥市东方美捷分子材料技术有限公司 | A kind of bionical spilled-oil tracking positioning device |
| CN107907302A (en) * | 2017-12-15 | 2018-04-13 | 河海大学 | The device that a kind of simulated flow particle can position in real time |
| JP6827915B2 (en) | 2017-12-18 | 2021-02-10 | タツタ電線株式会社 | Liquid detection sensor and liquid detection device |
| CN109374531B (en) * | 2018-11-09 | 2021-04-20 | 浙江海洋大学 | Sea area oil spilling monitoring devices based on remote sensing |
| CN110254636A (en) * | 2019-05-22 | 2019-09-20 | 浙江省海洋水产研究所 | Offshore spilled oil tracking buoy and method suitable for complex environment |
| CN110865575A (en) * | 2019-11-20 | 2020-03-06 | 交通运输部水运科学研究所 | Port water environment continuous monitoring buoy equipment |
| CN112289004B (en) * | 2020-09-14 | 2021-07-02 | 深圳市国艺园林建设有限公司 | River monitoring and early warning method and system |
| CN112147292A (en) * | 2020-09-27 | 2020-12-29 | 泰州市金海运船用设备有限责任公司 | Ocean oil stain distribution range timing recording system |
| CN113184115B (en) * | 2021-06-03 | 2022-10-28 | 哈尔滨工程大学 | Floating buoy is tracked to marine oil spilling |
| CN116812079B (en) * | 2022-08-10 | 2023-12-19 | 交通运输部南海航海保障中心广州航标处 | Floating sign fixing device |
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