CN108477045A - A kind of fishing net box position indicator and its security of fishery guard system - Google Patents
A kind of fishing net box position indicator and its security of fishery guard system Download PDFInfo
- Publication number
- CN108477045A CN108477045A CN201810496149.1A CN201810496149A CN108477045A CN 108477045 A CN108477045 A CN 108477045A CN 201810496149 A CN201810496149 A CN 201810496149A CN 108477045 A CN108477045 A CN 108477045A
- Authority
- CN
- China
- Prior art keywords
- fishing net
- net box
- ais
- ship
- position indicator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/52—Determining velocity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The present invention provides a kind of fishing net box position indicators,Including fishing net box,The fishing net box includes upper fixed ring and lower fixed ring,Protection board between fixed ring and lower fixed ring there are four settings,It is both provided with separation net between four protection boards,A spacing ring is fixed in fixed ring,Spacing ring madial wall offers thread groove,Spiral is provided with a cover board on the spacing ring,A feed pipe is provided on cover board,One end of feed pipe passes through cover board,The other end of feed pipe is provided with a locator,Locator includes a float tube,A hollow cylindrical buoy main body is provided in float tube,It is provided with a cover body in cylindrical buoy main body,It is provided with accumulator and circuit board in cylindrical buoy main body,The present invention also provides a kind of fishing net box position indicator security of fishery guard systems,Ship can be monitored,The real-time status of fishing net box,Improve the safety of fishing net box and ship's navigation.
Description
Technical field
The present invention relates to technical field of fish culture, especially a kind of fishing net box position indicator and its security of fishery protection system
System.
Background technology
The existing net cage in China is mostly floating at present, and the cultivation of offshore side, capacity of anti-storm is poor, and farming site is confined to keep away
In the good bay of wind condition or in basin, exchange of seawater amount is small, and water body self-purification ability is low, through cultivating year after year, pollution accumulation, and cultivation
Environmental degradation is on the rise, and fish diseases occur frequently, and culture efficiency constantly declines, and seriously hinders the hair of marine cage fish culture
Exhibition.In addition, existing fishing net box there is no positioning function, if fishing net box in the case where stormy waves is bigger, possible fishing net
Case can be moved along seawater, such fishing net box seabed position with regard to road unknown by the people, cause the work cultivated early period all to be wasted
.In addition, when fishing net box places lack of standardization, fishing net box drift or shippping traffic traveling yaw, it is possible to lead to fishing net box
It is snarled by propeller for vessels, makes a big impact in this way to marine operation safety, huge economic losses also are caused to fisherman.
Invention content
One of present invention solves the technical problem that, it is to provide a kind of fishing net box position indicator, fishing net box can be positioned
Cultivation, to improve the yield of cultivation.
What one of the technical problem was realized in：A kind of fishing net box position indicator, including fishing net box, the fishing net box include
Upper fixed ring and lower fixed ring, the protection board between fixed ring and lower fixed ring there are four settings, four protections
It is both provided with separation net between plate, a spacing ring is fixed in fixed ring, the spacing ring madial wall offers screw thread
Slot, spiral is provided with a cover board on the spacing ring, on fixed ring setting be provided on the cover board there are two lifting ear
One end of one feed pipe, the feed pipe passes through cover board, the other end of feed pipe to be provided with a locator, and the locator includes
One float tube, float tube side wall open up multiple inlet/outlet valves, and the float tube surface offers an air valve；It is arranged in the float tube
There is a hollow cylindrical buoy main body, a cover body, the cylinder buoy main body are provided in the cylinder buoy main body
It is inside provided with accumulator and circuit board, is provided with AIS antennas, signal lamp, Beidou antenna on the cover body, the AIS antennas,
Signal lamp, Beidou antenna, accumulator are connect with the circuit board, and the other end of the feed pipe passes through cylindrical buoy master
Body is fixedly connected with cover body.
Further, there are two portable ears for setting on the cover board.
Further, the cover body surface is provided with solar energy membrane.
Further, the Base-Band Processing for being provided with central processing unit on the circuit board and being connect with central processing unit
Device, power amplifier, power management module, solar charging/discharging circuit, Beidou positioning module, signal lamp drive circuit, disengaging
Air valve driving circuit, inlet/outlet valve driving circuit；The baseband processor is connect with the high-frequency modulator, the high frequency modulated
Device is connect with the power amplifier, and the power amplifier is connected with an impedance matching network circuit, the AIS antennas and institute
State the connection of impedance matching network circuit；The signal lamp is connect with the signal lamp drive circuit, the Beidou antenna with it is described
Beidou positioning module connects, and the accumulator is connect with the power management module, the solar energy membrane and the solar charging
Discharge circuit connects, and the inlet/outlet valve connect with the inlet/outlet valve driving circuit, the air valve and described into outlet
Valve-driving circuit connects.
Further, the other end lateral tail wall of the feed pipe is provided with screw thread.
Present invention solves the technical problem that two, be to provide a kind of fishing net box position indicator security of fishery guard system, energy
The real-time status of ship, fishing net box is monitored, the safety of fishing net box and ship's navigation is improved.
What the two of the technical problem were realized in：A kind of fishing net box position indicator security of fishery guard system, the system
Including ground monitoring center, the ship with AIS systems, big-dipper satellite and multiple fishing net box position indicators；It is described to carry AIS systems
The ship of system carries out locating and tracking by AIS networks to the multiple fishing net box position indicator, and the ship with AIS systems will
The information of the fishing net box position indicator of acquisition is sent to the ground monitoring center by AIS networks, and ground monitoring center is to obtaining
Information stored, and fishing net box position indicator is monitored；The ground monitoring carries out ship centrally through AIS networks
Monitoring；The ground monitoring center, the ship with AIS systems carry out position by big-dipper satellite to multiple fishing net box position indicators
Positioning；To which ground monitoring center can monitor the real-time status of ship, fishing net box, the safety of fishing net box and ship's navigation is improved
Property.
Further, the ship with AIS systems determines the multiple fishing net box position indicator by AIS networks
Position tracks：The fishing net box position indicator provides locator position and speed by Beidou positioning module to central processing unit
Information, central processing unit and baseband processor are by the static information of the Position And Velocity information and locator identification number, title
It is packaged and generates AIS baseband data packets, the modulation by high-frequency modulator generates high-frequency signal, and the high-frequency signal is by power amplification
Remote send is realized to external radiation by AIS antennas through impedance matching network circuit after device amplification；Ship with AIS systems
The signal that can be sent to fishing net box position indicator receive and parse through the data of fishing net box position indicator, to realize the remote of fishing net box
Distance positioning tracks.
Further, the ship with AIS systems is：Merchant ship with AIS systems or the fishing with AIS systems
Ship.
Further, the ground monitoring obtains ship information centrally through AIS networks；The ship information includes sea
Mobile communication business identification code MMSI, name of vessel, longitude and latitude, ship's speed, course, distance and orientation.
The beneficial effects of the present invention are：The present invention is provided with fishing net box, and feed pipe is provided on fishing net box, the charging
Locator is carried on pipe, locator can be by day sun energy film come itself to provide power supply, setting signal lamp, the Big Dipper are fixed on locator
Position module and AIS antennas prevent fishing net box from cultivating so that fishing boat can preferably navigate to the position of the fishing net box
It is washed away by seawater in journey, the specific location without knowing fishing net box；And the present invention is that positioning is arranged on the feed pipe of fishing net box
Device can also be positioned while realizing fishing net box feeding in this way.Ship of the present invention with AIS systems passes through AIS networks
Locating and tracking is carried out to the multiple fishing net box position indicator, the ship with AIS systems is by the fishing net box position indicator of acquisition
Information the ground monitoring center is sent to by AIS networks, ground monitoring center stores the information of acquisition, and right
Fishing net box position indicator is monitored；To which ground monitoring center can monitor the real-time status of ship, fishing net box, improve fishing net box and
The safety of ship's navigation.
Description of the drawings
Fig. 1 is the structural schematic diagram of fishing net box position indicator of the present invention.
Fig. 2 is the structural schematic diagram for the fishing net box that the present invention removes cover board.
Fig. 3 is the structural schematic diagram of locator of the present invention.
Fig. 4 is the structural schematic diagram that fishing net box position indicator of the present invention is related to circuit.
Fig. 5 is the structural schematic diagram of present system.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings.
Shown in please referring to Fig.1 to Fig.4, a kind of fishing net box position indicator 10 of the invention, including fishing net box 1, the fishing net box 1
Including upper fixed ring 11 and lower fixed ring 12, the protection board between fixed ring 11 and lower fixed ring 12 there are four settings
13, separation net 14 is both provided between four protection boards 13, need in this way the fish cultivated in fishing net box 1 when will not swim over to
Outside, and the seawater in fishing net box can carry out flowing replacement by separation net；A spacing ring is fixed in fixed ring 11
15,15 madial wall of the spacing ring offers thread groove 151, and spiral is provided with a cover board 16 on the spacing ring 15, it is described on
There are two lifting ears 17 for setting in fixed ring 11, and in this way after fishing net box brings fish up, operating personnel are hung over suspension hook will in lifting ear
Fishing net box pulls out sea；A feed pipe 18 is provided on the cover board 16（Feed pipe 18 is hose）, which can give fish
Feeding；One end of the feed pipe 18 passes through cover board 16, the other end of feed pipe 18 to be provided with a locator 2, the locator 2
Including a float tube 21,21 side wall of float tube opens up multiple inlet/outlet valves 211, and 21 surface of the float tube offers an air valve
212；When needing float tube 21 to hold cylindrical buoy main body, the gas in float tube 21 can be extracted out by air valve 212,
Inlet/outlet valve 211 is opened at this time, due to the effect that atmospheric pressure obtains, seawater will be flowed into from inlet/outlet valve 211 in float tube 21, this
Sample float tube 21, which has certain weight, can hold cylindrical buoy main body；It is floating that a hollow cylinder is provided in the float tube 21
Main body 22 is marked, a cover body 23 is provided in the cylinder buoy main body 22, storage is provided in the cylinder buoy main body 22
Battery 24 and circuit board（It is not shown）, AIS antennas 25, signal lamp 26, Beidou antenna 27 are provided on the cover body 23, it is described
AIS antennas 25, signal lamp 26, Beidou antenna 27, accumulator 24 are connect with the circuit board, the feed pipe 18 it is another
End is fixedly connected across cylindrical buoy main body 22 with cover body 23.The accumulator 24 provides electricity for circuit board and other devices
Source, signal lamp provide signal lamp source for locator, and fishing boat can find fishing net box position indicator.Beidou antenna 27 provides position for locator
Confidence ceases, wherein AIS antennas：Fishing net box position indicator is No. 18 message broadcastings itself with AIS standards by VHF networks
The information such as position, speed using the communications protocol compatible with AIS, and oneself will be expressed as an AIS ship, with longer
Transmission interval works, and emits AIS standard messages to fishing boat and surrounding ship, fishing boat can use any AIS being already equipped with
Compatible equipment realization is monitored the position of fishing net box position indicator, the remote tracking of fishing net box is realized, even if fishing net box
Leaving horizon range can also recover.
In the present invention, there are two portable ears 161 for setting on the cover board 16.It is in this way put into and to be cultivated in fishing net box
After fish, cover board 16 can be covered on fishing net box by portable ear 161.Wherein, 23 surface of the cover body is provided with solar energy membrane 3.
Solar energy can be switched to electric energy by solar energy membrane 3 in this way, then is accumulator electric power storage by solar charging/discharging circuit or is directly
Circuit board is powered.
Central processing unit and the baseband processor being connect with central processing unit, power amplification are provided on the circuit board
Device, power management module, solar charging/discharging circuit, Beidou positioning module, signal lamp drive circuit, air valve driving electricity
Road, inlet/outlet valve driving circuit；The baseband processor is connect with the high-frequency modulator, the high-frequency modulator and the work(
Rate amplifier connects, and the power amplifier is connected with an impedance matching network circuit, the AIS antennas 25 and the impedance
Distribution network circuit connects；The signal lamp 26 is connect with the signal lamp drive circuit, the Beidou antenna 27 and the Big Dipper
Locating module connects, and the accumulator 24 is connect with the power management module, the solar energy membrane 3 and the solar energy charge and discharge
Circuit connects, and the inlet/outlet valve 211 connect with the inlet/outlet valve driving circuit, the air valve 212 and it is described into
Outlet valve-driving circuit connects.The circuit course of work on the circuit board is：It is fixed that Beidou positioning module is provided to central processing unit
Position device Position And Velocity information, central processing unit are static by above- mentioned information and locator identification number, title etc. with baseband processor
Information package generates AIS baseband data packets, by the modulation of high-frequency modulator, generates the high-frequency signal of 161.975 MHz,
The signal amplified by power amplifier after through impedance matching network circuit by AIS antennas to external radiation, realize remote send；
Power management module is then powered using battery powered as starting point to modules.
Wherein, the other end lateral tail wall of the feed pipe 18 is provided with screw thread 181.It in this way can be by 18 spiral of feed pipe
On feeding device.Wherein, position-limiting drum can be set in seabed, fishing net box is directly placed in position-limiting drum, such fishing net box
It can be fixed, will not float.
Shown in Fig. 4 and Fig. 5, a kind of fishing net box position indicator security of fishery guard system of the invention, the system packet
Include ground monitoring center 4, the ship 5 with AIS systems, big-dipper satellite 6 and multiple fishing net box position indicators 10；It is described to carry
The ship 5 of AIS systems carries out locating and tracking by AIS networks 7 to the multiple fishing net box position indicator 10, described to carry AIS systems
The information of the fishing net box position indicator 10 of acquisition is sent to the ground monitoring center 4, ground by the ship 5 of system by AIS networks
Monitoring center 4 stores the information of acquisition, and is monitored to fishing net box position indicator 10；The ground monitoring center 4 is logical
AIS networks 7 are crossed to be monitored ship；The ground monitoring center 4, the ship 5 with AIS systems are right by big-dipper satellite 6
Multiple fishing net box position indicators 10 carry out position positioning；To which ground monitoring center 4 can monitor the real-time shape of ship 5, fishing net box 1
State improves the safety of fishing net box and ship's navigation.
Wherein, the ship with AIS systems by AIS networks to the multiple fishing net box position indicator positioned with
Track is specially：The fishing net box position indicator provides locator position by Beidou positioning module to central processing unit to be believed with speed
Breath, central processing unit beat the static information of the Position And Velocity information and locator identification number, title with baseband processor
It contracts for fixed output quotas raw AIS baseband data packets, the modulation by high-frequency modulator generates high-frequency signal, and the high-frequency signal is by power amplifier
Remote send is realized to external radiation by AIS antennas through impedance matching network circuit after amplification；Ship energy with AIS systems
The data for the signal that fishing net box position indicator is sent receive and parse through fishing net box position indicator, to realize the long distance of fishing net box
From locating and tracking.The ship 5 with AIS systems is：Merchant ship with AIS systems or the fishing boat with AIS systems.
In addition, the ground monitoring obtains ship information centrally through AIS networks；The ship information includes marine mobile
Communication business identification code MMSI, name of vessel, longitude and latitude, ship's speed, course, distance and orientation.Beidou antenna 27 provides for locator
Location information, wherein AIS antennas：Fishing net box position indicator be by VHF networks with No. 18 message broadcastings of AIS standards from
The information such as body position, speed using the communications protocol compatible with AIS, and oneself will be expressed as an AIS ship, with longer
Transmission interval work, emit AIS standard messages to fishing boat and surrounding ship, fishing boat can use be already equipped with it is any
The realization of AIS compatible equipments is monitored the position of fishing net box position indicator, the remote tracking of fishing net box is realized, even if fishing
Net cage leaves horizon range and can also recover.
In short, when placing lack of standardization, fishing net box drift or shippping traffic traveling yaw the invention can avoid fishing net box,
The problem of causing fishing net box to be snarled by propeller for vessels, constructs the Information Networking System of fishing net box-fishing boat-merchant ship one, side
It helps the monitoring in time of fisherman and merchant ship and finds fishing net box motion state, ensure Fisheries Production Safety and navigation safety.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification should all belong to the covering scope of the present invention.
Claims (9)
1. a kind of fishing net box position indicator, including fishing net box, it is characterised in that：The fishing net box includes upper fixed ring and lower fixation
Ring, the protection board between fixed ring and lower fixed ring there are four settings, be both provided between four protection boards every
Off-network, is fixed with a spacing ring in fixed ring, and the spacing ring madial wall offers thread groove, spiral shell on the spacing ring
Rotation is provided with a cover board, on fixed ring setting be provided with a feed pipe, the charging on the cover board there are two lifting ear
One end of pipe passes through cover board, the other end of feed pipe to be provided with a locator, and the locator includes a float tube, and float tube side wall is opened
If multiple inlet/outlet valves, the float tube surface offers an air valve；A hollow cylinder is provided in the float tube
Buoy main body is provided with a cover body in the cylinder buoy main body, be provided in the cylinder buoy main body accumulator and
Circuit board, is provided with AIS antennas, signal lamp, Beidou antenna on the cover body, the AIS antennas, signal lamp, Beidou antenna,
Accumulator is connect with the circuit board, and the other end of the feed pipe passes through cylindrical buoy main body that company is fixed with cover body
It connects.
2. a kind of fishing net box position indicator according to claim 1, it is characterised in that：There are two portable for setting on the cover board
Ear.
3. a kind of fishing net box position indicator according to claim 1, it is characterised in that：The cover body surface is provided with solar energy
Film.
4. a kind of fishing net box position indicator according to claim 3, it is characterised in that：It is provided with centre on the circuit board
Reason device and the baseband processor being connect with central processing unit, power amplifier, power management module, solar charging/discharging electricity
Road, Beidou positioning module, signal lamp drive circuit, air valve driving circuit, inlet/outlet valve driving circuit；The Base-Band Processing
Device is connect with the high-frequency modulator, and the high-frequency modulator is connect with the power amplifier, the power amplifier connection
There are an impedance matching network circuit, the AIS antennas to be connect with the impedance matching network circuit；The signal lamp and the letter
Signal lamp driving circuit connects, and the Beidou antenna is connect with the Beidou positioning module, the accumulator and the power management
Module connects, and the solar energy membrane is connect with the solar charging/discharging circuit, and the inlet/outlet valve drives with the inlet/outlet valve
Dynamic circuit connection, the air valve are connect with the air valve driving circuit.
5. a kind of fishing net box position indicator according to claim 1, it is characterised in that：Outside the other end tail portion of the feed pipe
Side wall is provided with screw thread.
6. a kind of fishing net box position indicator security of fishery guard system according to claim 4, it is characterised in that：The system
Including ground monitoring center, the ship with AIS systems, big-dipper satellite and multiple fishing net box position indicators；It is described to carry AIS systems
The ship of system carries out locating and tracking by AIS networks to the multiple fishing net box position indicator, and the ship with AIS systems will
The information of the fishing net box position indicator of acquisition is sent to the ground monitoring center by AIS networks, and ground monitoring center is to obtaining
Information stored, and fishing net box position indicator is monitored；The ground monitoring carries out ship centrally through AIS networks
Monitoring；The ground monitoring center, the ship with AIS systems carry out position by big-dipper satellite to multiple fishing net box position indicators
Positioning；To which ground monitoring center can monitor the real-time status of ship, fishing net box, the safety of fishing net box and ship's navigation is improved
Property.
7. a kind of fishing net box position indicator security of fishery guard system according to claim 6, it is characterised in that：It is described to carry
The ship of AIS systems carries out locating and tracking by AIS networks to the multiple fishing net box position indicator：The fishing net box is fixed
Position instrument provides locator position and velocity information, central processing unit and Base-Band Processing by Beidou positioning module to central processing unit
The static information of the Position And Velocity information and locator identification number, title is packaged and generates AIS baseband data packets by device, warp
Cross high-frequency modulator modulation generate high-frequency signal, the high-frequency signal amplified by power amplifier after through impedance matching network circuit
Remote send is realized to external radiation by AIS antennas；The signal that ship with AIS systems can send fishing net box position indicator
The data for receive and parse through fishing net box position indicator, to realize the long distance positioning tracking of fishing net box.
8. a kind of fishing net box position indicator security of fishery guard system according to claim 6, it is characterised in that：It is described to carry
The ship of AIS systems is：Merchant ship with AIS systems or the fishing boat with AIS systems.
9. a kind of fishing net box position indicator security of fishery guard system according to claim 6, it is characterised in that：The ground
Monitoring center obtains ship information by AIS networks；The ship information includes maritime mobile service identification code MMSI, ship
Name, longitude and latitude, ship's speed, course, distance and orientation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810496149.1A CN108477045A (en) | 2018-05-22 | 2018-05-22 | A kind of fishing net box position indicator and its security of fishery guard system |
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| CN201810496149.1A CN108477045A (en) | 2018-05-22 | 2018-05-22 | A kind of fishing net box position indicator and its security of fishery guard system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109479787A (en) * | 2018-11-19 | 2019-03-19 | 华南农业大学 | A kind of unmanned feeding ship and feeding method of navigating |
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