CN106646557B - A kind of ocean monitoring buoy based on Beidou satellite-based augmentation system and short message function - Google Patents
A kind of ocean monitoring buoy based on Beidou satellite-based augmentation system and short message function Download PDFInfo
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- CN106646557B CN106646557B CN201611217951.XA CN201611217951A CN106646557B CN 106646557 B CN106646557 B CN 106646557B CN 201611217951 A CN201611217951 A CN 201611217951A CN 106646557 B CN106646557 B CN 106646557B
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
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- Computer Networks & Wireless Communication (AREA)
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- Combustion & Propulsion (AREA)
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- Ocean & Marine Engineering (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The present invention relates to a kind of ocean monitoring buoys based on Beidou, more particularly to a kind of ocean monitoring buoy based on Beidou satellite-based augmentation system and short message function, it mainly include Sensors on Data Buoy, data processing unit, the Big Dipper base enhances receiver, Big Dipper short message communication module, range laser radar, three axis accelerometer, disc shell, mooring system, power supply system, technical solution of the present invention can be completed to ocean wind direction, wind speed, temperature, humidity, air pressure, precipitation, visibility, water temperature, salinity, wave, the real-time monitoring of the meteorological models information such as ocean current, and pass ground monitoring center back as needed, with Centimeter Level high-precision positioning function, have the function of anti-collision alarming and stolen locating and tracking etc..
Description
Technical field
The invention belongs to shipping and technical field of satellite navigation, more particularly to it is a kind of based on Beidou satellite-based augmentation system and short
The ocean monitoring buoy of message function.
Background technique
Oceanographic buoy is marine environment automatic Observation platform, is the important composition portion of modern marine environmental perspective monitoring system
Point.It has automatic, long-term, the continuous ability for collecting marine environmental data, even if in adverse circumstances or other field monitoring hands
When section is all difficult to or can not implement monitoring, oceanographic buoy remains to effectively work.Oceanographic buoy is to ensure marine ships safety
The critical facility of navigation can provide under the severe weather conditions such as night and greasy weather, rainy days for marine ships and lead navaid clothes
Business.
Beidou satellite navigation system is not yet applied to ocean monitoring buoy on a large scale, and Beidou marine monitoring at this stage is floating
Mark has the following deficiencies:
1, it since buoy floats on the water, is influenced by wave active force, buoy roll and pitch in turn results in north
The signal of the swing all around of bucket RDSS terminal antenna, antenna transmitting cannot successfully broadcast TV programs by satellite, and eventually lead to the transmitting of Beidou buoy
Relatively low with the success rate of reception instruction, success rate is usually no more than 60%, seriously affects and limit the popularization of Beidou buoy.Such as
Shown in Fig. 2, normal Beidou antenna transmitting gain concentrates between 15~165 degree of level (i.e. shadow region in figure), when Beidou day
When line roll and pitch amplitude is more than this range, big-dipper satellite will be unable to normally receive the Beidou of Beidou RDSS terminal transmission
Signal, and then generate and send message loss.
2, it is usually 1 time per minute that the civilian short message of current Beidou, which sends frequency, each most 120 Chinese characters, information
Transmission rate is up to 1.92kbps.Compared to other communication modes, the rate of information throughput of Beidou is lower, and existing Beidou is short
Message sends frequency and single sends information content and obviously do not meet actual demand.
3, due to being collided by navigating ship, tide, water body flow and stormy waves etc. are artificial is influenced with natural cause, buoy can be made
To drive underwater anchor mobile, or in the case where anchor chain fracture, there is buoy drift in the motion range of offset setting
The phenomenon that.Generally requiring buoy monitoring system positioning accuracy is 5m, and existing buoy monitoring system positioning accuracy is unable to satisfy this
It is required that.
4, due to being in unattended working condition throughout the year, cause oceanographic buoy maintenance difficult, be easy by outer
Power intentionally or unintentionally impact damage, or even is stolen by criminal, is badly in need of reinforcing oceanographic buoy anticollision research and stolen
Location tracking afterwards.
Summary of the invention
Beidou satellite-based augmentation system is the latest development of Beidou satellite navigation system, mainly using known to accurate coordinates
Base station net calibrates the signal in space error of satellite navigation system, broadcasts or forward mistake to ground/sea receiver terminal
Poor correction is modified original location data, highest can be obtained after ground/sea receiver receives Correction of Errors signal
Precision is the other location data of Centimeter Level.
The present invention is in view of the above-mentioned problems, propose a kind of based on the ocean of Beidou satellite-based augmentation system and short message function prison
Survey buoy, specifically include: Sensors on Data Buoy unit, data processing unit, Beidou antenna cluster, the Big Dipper base enhancing receiver,
Big Dipper short message communication module, collision-proof alarm assessment device, stolen tracing system, disc steel casing, mooring system and confession
Electric system.
The Sensors on Data Buoy unit includes attitude transducer and temperature sensor, and attitude transducer has sextuple data and adopts
The information such as collection ability, including 3-axis acceleration, two-dimentional inclination, orientation；Temperature sensor is acquired using high-precision platinum resistance thermistor
Temperature information；The data processing unit is mainly completed to all kinds of of attitude transducer and high-precision platinum resistance thermistor real-time perception
The processing such as monitoring data are received, filtered, signal converts, transmission；
The Beidou antenna cluster refers to be bundled to form Beidou antenna collection by multi-section Beidou antenna according to the form of inverted cone
Group, and the Beidou antenna cluster is fixed on three-axle steady platform, buoy is solved since the effect of wave is all around shaken
Put, cause the swing all around of Beidou antenna, antenna is not easy to satelloid, eventually leads to transmitting Big Dipper short message information failure
The problem unstable with satellite location data is received.
Multiple the Big Dipper bases enhancing letter that the Big Dipper base enhancing receiver real-time reception telecommunication satellite is broadcast or forwarded
Number, self poisoning data are corrected, and then obtain the location information of centimetre class precision, is tracked positioning after being stolen for buoy and mentions
For high accuracy positioning information；
The Big Dipper short message communication module teaches skill art using adaptive Beidou cluster number and improves Beidou RDSS short message hair
Send frequency, specifically include: the real-time reception data to be transmitted store reception data, are sent after data processing to n Beidou
RDSS module controls n Beidou RDSS module by time-sequence control module and in turn switches on and send data, n at a time interval
For the positive integer more than or equal to 1.
Art is taught skill using adaptive Beidou cluster number to carry out preferably Beidou RDSS module, according to the use needs of user,
Optimal Beidou RDSS number of modules is automatically selected, and connects corresponding module, reduces the number of modules of RDSS cluster transmitting；By adopting
With the Big Dipper short message communications technologies such as data compression, position splicing and long message communication are improved, the logical of Beidou RDSS short message is improved
Believe capacity and rate.
Collision-proof alarm assessment device includes that sound recognition module, range laser radar, AIS receiving device, three axis add
Speedometer and control module, collision-proof alarm assessment device can complete detection and identification to object and personnel close to buoy,
Before buoy will be knocked, alarm prompt can be issued, after buoy is knocked, situation and accident can be hit to buoy
Ship information is recorded, and passes data back on the bank monitor supervision platform, assesses buoy damage situations and right for duty personnel on the bank
Offending Ship, which is called to account, provides data support.
The three axis accelerometer experiences the variable quantity that buoy is knocked intensity and instantaneous acceleration in real time, according to calculating mould
The variable quantity of type and instantaneous acceleration, the degree that assessment buoy is knocked, then by Big Dipper short message function, the wink that will be monitored
When be knocked the acceleration value of generation and pass monitor supervision platform on the bank back, find and analyze in time buoy for duty personnel on the bank and hit feelings
Condition provides reference data.
The stolen tracing system carries out real-time resolving and judgement to buoy high precision position information, when location information deviates
It when given threshold, regards as that buoy is stolen or anchor chain fracture, issues warning information in time, buoy real-time high-precision position is believed
Breath passes monitor supervision platform on the bank back by Beidou RDSS function, finds and tracks in time buoy whereabouts for duty personnel on the bank and provide ginseng
Examine data.
The power supply system is powered using diesel-driven generator, while being equipped with solar panel, wind-driven generator, wavy hair
Motor and battery group.It is powered using various forms complementation, between ensureing that marine long-term rainy weather, severe sea condition float downward target not
Cut-off electricity.
Ocean monitoring buoy diameter of the invention is greater than 10m, being capable of round-the-clock, continuous, automatic collection and the marine water of transmission
Literary meteorological data, monitoring system are made of floating body, mooring system and bank station reception device, and various kinds of sensors is carried on floating body, main
The project of observation includes: wind direction, wind speed, gas epidemic disaster, air pressure, precipitation, visibility, water Inversion phenomenon, wave, ocean current etc.；Anchor
Pool system is mainly made of armored concrete gravity type anchor, flexible anchor chain and tethers ring.
A kind of ocean monitoring buoy based on Beidou proposed by the present invention mainly has Beidou by installing on buoy
Short message function, the Beidou terminal receiver that star base enhancing correction signal can be received, buoy collector is collected various
Data information and itself work state information (such as: the information such as meteorology, the hydrology, temperature receive Beidou signal power strength letter
Breath, high precision position information, velocity information, acceleration information, the information such as state of cell voltage, electric current, lamp) it is defended by Beidou
Stellar chain road is sent to Beidou commander's machine on land, after received data information is unpacked and handled by Beidou commander's machine, finally
It intuitively is shown to user, schematic illustration is as shown in Figure 1.
The beneficial effects of the present invention are:
1, it improves the transmitting of Beidou buoy and receives the success rate of instruction, success rate can achieve 98% or more, can
Meet user demand；
2, the transmission frequency and single information traffic volume for effectively increasing Big Dipper short message, can send within the same time
More useful datas；
3, according to data volume size and user requested data transmission time interval, the Beidou cluster of work is preferably needed automatically
Number passes RDSS number of modules, is conducive to save electric power resource valuable on buoy, saves Big Dipper short message communication channel resource, improves
Buoy working life；
4, buoy working condition and location information can be grasped in real time, effectively buoy offset is recognized, and reduced floating
The labor intensity of administrative staff and the expense of buoy maintenance are marked, the buoy efficiency of management is improved；
5, it effectively prevent oceanographic buoy to be impacted destruction, improves service life, realize buoy real-time high-precision location information
Measurement, issue warning information in time, find and track in time buoy whereabouts for duty personnel and help is provided.
Detailed description of the invention
Fig. 1 is the ocean monitoring buoy operation principle schematic diagram the present invention is based on Beidou
Fig. 2 is that wave waves influence schematic diagram to Beidou buoy RDSS terminal
Fig. 3 is the transmitting flow chart of current Beidou buoy RDSS terminal
Fig. 4 is Beidou RDSS terminal antenna inverted cone binding transmitting schematic diagram of the present invention
Fig. 5 is that the present invention improves Beidou buoy information transmission success rate program flow chart
Fig. 6 is that the present invention improves Beidou buoy information transmitting frequency and single sends byte program flow chart
Fig. 7 is that the present invention is based on the buoy monitoring systems of the Big Dipper base enhancing
Fig. 8 is Beidou oceanographic buoy anticollision of the present invention and stolen tracing system functional block diagram
Specific embodiment
With reference to the accompanying drawing, it elaborates to specific embodiment.
The present invention proposes a kind of ocean monitoring buoy based on Beidou satellite-based augmentation system and short message function, including buoy
Sensor unit, Beidou antenna cluster, the Big Dipper base enhancing receiver, Big Dipper short message communication module, is prevented data processing unit
Hit alarm assessment device, stolen tracing system, disc steel casing, mooring system and power supply system.
Sensors on Data Buoy unit includes attitude transducer and temperature sensor, and attitude transducer has sextuple data acquisition energy
The information such as power, including 3-axis acceleration, two-dimentional inclination, orientation；Temperature sensor uses high-precision platinum resistance thermistor temperature collection
Information；The data processing unit mainly completes all kinds of monitorings to attitude transducer and high-precision platinum resistance thermistor real-time perception
The processing such as data are received, filtered, signal converts, transmission.
Power supply system is powered using diesel-driven generator, while being equipped with solar panel, wind-driven generator, wave-activated generator
With battery group.It is powered using various forms complementation, ensures the uninterrupted power supply under marine long-term rainy weather, severe sea condition.
Ocean monitoring buoy diameter is greater than 10m, being capable of round-the-clock, continuous, automatic collection and transmission offshore hydrological meteorology money
Material, monitoring system are made of floating body, mooring system and bank station reception device, various kinds of sensors are carried on floating body, mainly observes item
Mesh includes: wind direction, wind speed, gas epidemic disaster, air pressure, precipitation, visibility, water Inversion phenomenon, wave, ocean current etc.；Mooring system master
It to be made of armored concrete gravity type anchor, flexible anchor chain and tethers ring.
The present invention proposes following solution for defect existing for Beidou ocean monitoring buoy in the prior art:
(1), the low solution of Beidou buoy information launching success rate
Beidou buoy is usually point at a fixed time, and the various state parameters and various kinds of sensors of Beidou buoy are adopted
The information of collection is sent by Beidou RDSS terminal, but due to the influence of fluctuations of wave, carries out transmission letter in set time point
Number when, Beidou RDSS terminal antenna is by chance in the position of roll and pitch, therefore causes Beidou signal that can not broadcast TV programs by satellite, message
It loses.The transmitting process of current Beidou buoy RDSS terminal is as shown in Figure 3.
For the above-mentioned problem for causing Beidou RDSS terminal transmission success rate relatively low, multi-section Beidou RDSS terminal antenna is pressed
It is bundled according to the form of inverted cone, if Fig. 4 is a kind of easy Beidou RDSS terminal antenna inverted cone binding schematic diagram, is needed
, it is noted that Fig. 4 is only merely a kind of simple signal, practical Beidou RDSS terminal antenna can increase according to monitoring needs to add deduct
It is few.
Real work process: the information that buoy acquires is stored in subscriber computer caching in the form of message, then user
Machine carries out detection judgement to multi-section Beidou RDSS terminal signaling power condition, is lower than when determining current RDSS terminal power situation
When the index request succeeded in sending up, do not emit, detection judgement is carried out to next Beidou RDSS terminal signaling power condition, once
When monitoring that power is met the requirements, emitted at once, thus can be very good to solve Beidou RDSS terminal transmission success rate
Relatively low problem, and if it find that some subscriber computer is not delivered newspaper successfully, text comes user, can excite Beidou with manual-remote
RDSS terminal is sent again.This mode passes through practice test, and success rate can achieve 98% or more, can satisfy user
Demand, work flow diagram is as shown in Figure 5.
(2), Beidou buoy information transmitting frequency is low and single sends the limited solution of byte
Art is taught skill using Beidou cluster number and improves Beidou RDSS short message transmission frequency, is sent not changing Beidou SIM card
Under the premise of frequency and single send information content, frequency and information transmission speed are sent by the raising that sends in turn of multiple cards
Rate.
Firstly, improving Beidou transmission quantity.The information content of common Beidou subscriber machine short message function transmission, is unable to satisfy sea
The transmission demand of foreign buoy monitoring information needs the technology passed using cluster number to send frequency and transmission quantity to improve.Secondly, system
Fixed general standardized communication protocols.It realizes data exchange, the packing transmission of information and other compatible number arq modes, realizes seamless
Connection, it is necessary to signal be encoded, the Beidou communication standardization agreement of oceanographic buoy monitoring information, function composed structure are established
Block diagram is as shown in Figure 6.
Main thought: firstly, the real-time reception data to be transmitted, store to data are received, then carry out at data
Reason, data processing mainly include that data cleansing and data integrity compare, then give a Beidou RDSS module of n (n >=1), by when
Sequence control module controls n Beidou RDSS module and in turn switches at a time interval, and data are sent, thus can be with
Realize that Big Dipper short message sends the control of frequency.For example, if it is desired to realizing every the data of transmission in 30 seconds, so that it may use 2
A Beidou RDSS module, it is assumed that first RDSS is sent at the T0 moment, then second RDSS was sent T0+30 seconds moment.If
Want to realize every the data of transmission in 20 seconds, so that it may use 3 Beidou RDSS modules, it is assumed that first RDSS is sent out at the T0 moment
It send, second RDSS was sent T0+20 seconds moment, and third RDSS was sent T0+40 seconds moment, and so on, theoretically may be used
To realize any transmission frequency.
Three kinds of situations of the main thought of timing control point:
(1) the first situation, data volume are normal
According to the instruction of time-sequence control module, RDSS module is in turn switched on rule at a time interval, and data are sent out
It sees off.It is assumed that needing to be spaced the data of transmission in x seconds, then the RDSS module number at most needed and timing control thinking are such as
Under:
1) when 60/x can divide exactly
When 60/x can divide exactly, 60/x RDSS module is needed.When specific transmission information, time-sequence control module is according to solid
Fixed interval in turn switches on RDSS module, connects first RDSS module first, then second RDSS module, until connecting the
60/x RDSS module, then first RDSS module is connected in recycling, is circuited sequentially and is connected other RDSS modules.For example, needing
When being spaced the data of transmission in 10 seconds, then 60/10=6 RDSS module is needed, time-sequence control module in turn switches on 1-6
Then a RDSS module later connects first RDSS again, moves in circles.
First RDSS module: the 0th second；
Second RDSS module: the 10th second；
Third RDSS module: the 20th second；
4th RDSS module: the 30th second；
5th RDSS module: the 40th second；
6th RDSS module: the 50th second；
First RDSS module: the 1st minute.
2) when 60/x can not divide exactly
When 60/x can not divide exactly ,+1 RDSS module of 60/x (taking quotient) is needed.When specific transmission information, timing control
Module in turn switches on RDSS module according to fixed intervals, connects first RDSS module first, then second RDSS module, directly
To 60/x (taking quotient)+1 RDSS module is connected, then first RDSS module is connected in recycling, is circuited sequentially and is connected RDSS
Module.
For example, it is desired to when being spaced the data of transmission in 8 seconds, then need 60/8 (taking quotient) again plus 1, i.e. 8 RDSS modules,
Time-sequence control module in turn switches on the 1-8 RDSS module, and timing is allocated as follows:
First RDSS module: the 0th second；
Second RDSS module: the 8th second；
Third RDSS module: the 16th second；
4th RDSS module: the 24th second；
5th RDSS module: the 32nd second；
6th RDSS module: the 40th second；
7th RDSS module: the 48th second；
8th RDSS module: the 56th second；
First RDSS module: the 1st point 4 seconds.
That is, having crossed 1 point after first RDSS module sends first time and having sent within 4 seconds second, the rest may be inferred for other
Analogize.
(2) second situation, data volume are bigger than normal
It, can be first right with data memory module in order to alleviate the burden of RDSS module transmitting-receiving when data volume is bigger than normal
Data are cached, and are then successively connect according to the control signal of time-sequence control module using the algorithm flow in the case of the first
Logical RDSS module carries out the transmission of data.
(3) the third situation, data volume zero
When data volume is zero, for communication channel resources energy saving and that saving is valuable, according to timing control
The control signal of module closes the transmitting-receiving of RDSS module.
(3), the buoy monitoring system solution based on the enhancing of the Big Dipper base
Buoy monitoring system based on the enhancing of the Big Dipper base is as shown in fig. 7, mainly by ground reference station net, Data processing
The heart, ground connecting station, space segment and buoy terminal composition.
Ground reference station net is made of the monitoring station and control centre of certain amount, and monitoring station carries out Beidou navigation satellite
Real-time data receiver obtains observation data and sends control centre, and control centre summarizes all monitoring stations in the Reference network of ground
Real time data, non-real-time data, meteorological data and monitoring station coordinates and to data processing centre transmission Beidou observe data.
Data processing centre is the core of entire Beidou satellite-based augmentation system, is responsible for completing data receiver, Beidou precision rail
Road determination, the determination of Beidou precise clock correction, region ionosphere modeling, enhancement information generate.In addition, be also equipped with system operation, maintenance,
Control ability, it is ensured that effective operating of entire satellite-based augmentation system.
Ground connecting station is mainly responsible for from data processing centre and obtains system enhancing textual information, carries out signal processing and function
After rate amplification, it is injected into telecommunication satellite by antenna uplink.Meanwhile connecting station is also responsible for receiving telecommunication satellite downlink signal,
Realize downlink monitoring function.
Space segment mainly includes Beidou constellation and telecommunication satellite, wherein telecommunication satellite is responsible for receiving the upload of ground connecting station
Enhancing signal, broadcast/be transmitted to terminal user.
User terminal receives enhancing signal and Beidou signal is demodulated to obtain enhancement information and observation data, utilizes enhancing
Information and observation data carry out positioning calculation, and then obtain the location information of centimetre class precision.
(4), oceanographic buoy anticollision and stolen tracking solution
As shown in figure 8, Beidou oceanographic buoy anticollision and stolen tracing system are mainly monitored by Beidou buoy, bank base buoy
Platform and space constellation part composition, wherein Beidou buoy enhances Hi-fix board by range laser radar, the Big Dipper base
The composition such as card, control centre, three axis accelerometer, Beidou RDSS module, Beidou antenna, bank base buoy monitor supervision platform is mainly by north
Struggle against commander's machine and monitoring center composition.
Range laser radar mainly completes the detection to buoy surrounding objects and buoy distance, by the incoming control of detection information
Center, and controlled by control centre.
Three axis accelerometer mainly completes the perception of buoy 3-axis acceleration variable quantity, by the incoming control of the information perceived
Center, and controlled by control centre.
The Big Dipper base enhancing high accuracy positioning board is mainly completed to pass location information into the high accuracy positioning of buoy position
Enter control centre, and is controlled by control centre.
Beidou RDSS module is passed using above-mentioned Beidou cluster number, improves the skills such as data compression, position splicing and long message communication
Art, the upload and reception bank base buoy monitor supervision platform for completing Big Dipper short message information refer to through the various controls that Beidou constellation issues
It enables.
Beidou antenna is main to complete Beidou positioning information and RDSS short message information by the way of the binding of above-mentioned inverted cone
Transmitting-receiving.
Control centre is the core cell of Beidou buoy, completes following work: 1) completing range laser radar detection information
Reception, resolving, judgement, issue related warning information, and bank base buoy monitor supervision platform is passed back by the channel RDSS；2) three are completed
Reception, resolving, the judgement of axis accelerometer detection information, and bank base buoy monitor supervision platform is passed back by the channel RDSS；3) it completes
The Big Dipper base enhances reception, resolving, the judgement of the buoy high precision position information of high accuracy positioning board actual measurement, works as location information
When deviateing given threshold, warning information is issued, and bank base buoy monitor supervision platform is passed back by the channel RDSS；4) Beidou RDSS is completed
Module information transmitting-receiving control.
Beidou command machine complete ground Beidou RDSS information reception, as desired by big-dipper satellite data chain passage to
Buoy RDSS terminal issues control instruction.
Monitoring center is the core cell of bank base buoy monitor supervision platform, is final user oriented part, completes buoy prison
The functions such as analysis, display, printing and the storage of measurement information and alarm prompt are also commanded machine to issue various controls and are referred to by Beidou
It enables, buoy terminal is configured.
Specific workflow: by installing range laser radar on buoy, the reflection of real-time perception buoy surrounding objects
Radar echo signal carries out obtaining the accurate distance of object and buoy apart from resolving.According to the far and near journey of object distance buoy
Degree, is warned with green light, amber light and red light respectively.When distance is greater than 50 meters, safety is indicated with green light；When distance is greater than 20
When rice is less than 50 meters, driven with caution with amber light prompt, and issued in the form of Chinese and English alternate " hypotelorism, please rapidly from
It opens！" alarm prompt；When distance is less than 20 meters, indicate that warning is very likely to hit with red light, and hand over Chinese and English
The form replaced, which issues, " hits danger, please speed away！" alarm prompt；When buoy is knocked, by being mounted on buoy
High-performance three axis accelerometer experience impact strength, according to the variable quantity of computation model and instantaneous acceleration, monitering buoy quilt
The intensity of shock, then by Big Dipper short message function, the acceleration value for being instantaneously knocked generation monitored is passed back and is supervised on the bank
Platform is controlled, finds and analyzes whether buoy is hit in time for duty personnel on the bank, reference data is provided.Monitoring data, which are stored in, to be set
In standby hard disk, storage time is set according to user demand.
Buoy control centre controls the Big Dipper base enhancing high accuracy positioning board and completes buoy real-time high-precision location information
Measurement, and real-time resolving and judgement are carried out to high precision position information, when location information deviates given threshold, regard as floating
Mark is stolen or anchor chain is broken, and issues warning information in time, and pass bank base buoy monitor supervision platform back by the channel Beidou RDSS, and
Pass buoy latest position information back on the bank monitor supervision platform in time, issue warning information, for duty personnel on the bank find in time with
It tracks buoy whereabouts and high precision position information is provided.
The embodiment is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, the variation that can readily occur in or replaces
It changes, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claim
Subject to enclosing.
Claims (7)
1. a kind of ocean monitoring buoy based on Beidou satellite-based augmentation system and short message function, which is characterized in that including buoy
Sensor unit, Beidou antenna cluster, the Big Dipper base enhancing receiver, Big Dipper short message communication module, is prevented data processing unit
Hit alarm assessment device, stolen tracing system, disc steel casing, mooring system, power supply system；
The Beidou antenna cluster includes multi-section Beidou antenna, and the multi-section Beidou antenna is tied according to the form of inverted cone
It ties up, forms the Beidou antenna cluster, the Beidou antenna cluster is fixed on three-axle steady platform；
The information that buoy acquires is stored in subscriber computer caching in the form of message, then subscriber computer is whole to multi-section Beidou RDSS
End signal power condition carries out detection judgement, is lower than the index request succeeded in sending up when determining current RDSS terminal power situation
When, do not emit, detection judgement is carried out to next Beidou RDSS terminal signaling power condition, once monitor that power is met the requirements
When, emitted at once；If it find that some subscriber computer is not delivered newspaper successfully, text comes user, excites Beidou by manual-remote
RDSS terminal is sent again；
By installing range laser radar on buoy, the radar echo signal of real-time perception buoy surrounding objects reflection is carried out
Distance resolves, and obtains the accurate distance of object and buoy；According to the how far of object distance buoy, green light, amber light are used respectively
It is warned with red light；
The Big Dipper short message communication module teaches skill art using adaptive Beidou cluster number and improves Beidou RDSS short message transmission frequency
Degree, specifically includes: the real-time reception data to be transmitted, and is stored, is sent after data processing to n Beidou RDSS to reception data
Module controls n Beidou RDSS module by time-sequence control module and in turn switches on and send data at a time interval, and n is big
In the positive integer for being equal to 1；
Art is taught skill using adaptive Beidou cluster number to carry out preferably, according to needed for data volume size and user Beidou RDSS module
Data transmission time interval automatically determines the Beidou RDSS number of modules n for needing work；
Point three kinds of situations of timing control:
(1) the first situation, data volume are normal
According to the instruction of time-sequence control module, RDSS module is in turn switched on rule at a time interval, and data are sent out
It goes；When needing to be spaced the data of transmission in x seconds, then the RDSS module number and timing control thinking at most needed is as follows:
1) when 60/x can divide exactly, 60/x RDSS module is needed；When specific transmission information, time-sequence control module is according to fixation
Interval in turn switches on RDSS module, connects first RDSS module first, then second RDSS module, until connecting 60/x
A RDSS module, then first RDSS module is connected in recycling, is circuited sequentially and is connected other RDSS modules；When needing to be spaced 10
Second send a data when, then need 60/10=6 RDSS module, time-sequence control module in turn switches on the 1-6 RDSS mould
Then block later connects first RDSS again, moves in circles；
First RDSS module: the 0th second；
Second RDSS module: the 10th second；
Third RDSS module: the 20th second；
4th RDSS module: the 30th second；
5th RDSS module: the 40th second；
6th RDSS module: the 50th second；
First RDSS module: the 1st minute；
2) when 60/x can not divide exactly, quotient is taken to add 1 RDSS module again after needing 60/x；When specific transmission information, timing control
Molding block in turn switches on RDSS module according to fixed intervals, connects first RDSS module first, then second RDSS module,
Until taking quotient to add 1 RDSS module again after connecting 60/x, then first RDSS module is connected in recycling, circuits sequentially connection
RDSS module；
When needing to be spaced the data of transmission in 8 seconds, then quotient is taken to add 1, i.e. 8 RDSS modules, timing control again after needing 60/8
Molding block in turn switches on the 1-8 RDSS module, and timing is allocated as follows:
First RDSS module: the 0th second；
Second RDSS module: the 8th second；
Third RDSS module: the 16th second；
4th RDSS module: the 24th second；
5th RDSS module: the 32nd second；
6th RDSS module: the 40th second；
7th RDSS module: the 48th second；
8th RDSS module: the 56th second；
First RDSS module: the 1st point 4 seconds；
It after first RDSS module sends first time, has crossed 1 point and has sent within 4 seconds second, the rest may be inferred analogizes for other；
(2) second situation, data volume are bigger than normal
When data volume is bigger than normal, in order to alleviate the burden of RDSS module transmitting-receiving, first data are carried out with data memory module
Caching, then in turn switches on RDSS mould using the algorithm flow in the case of the first according to the control signal of time-sequence control module
The transmission of block progress data；
(3) the third situation, data volume zero
When data volume is zero, for communication channel resources energy saving and that saving is valuable, according to time-sequence control module
Control signal, close RDSS module transmitting-receiving；
The monitoring system of the buoy is whole by ground reference station net, data processing centre, ground connecting station, space segment and buoy
End composition；
Ground reference station net is made of the monitoring station and control centre of certain amount, and monitoring station carries out Beidou navigation satellite real-time
Data receiver, obtain observation data and send control centre, control centre summarizes the reality of all monitoring stations in the Reference network of ground
When data, non-real-time data, meteorological data and monitoring station coordinates and to data processing centre transmission Beidou observe data；
Data processing centre is the core of entire Beidou satellite-based augmentation system, and it is true to be responsible for completion data receiver, Beidou Precise Orbit
Fixed, Beidou precise clock correction determination, region ionosphere modeling, enhancement information generate；In addition, being also equipped with system operation, maintenance, control
Ability, it is ensured that effective operating of entire satellite-based augmentation system；
Ground connecting station is responsible for obtaining system enhancing textual information from data processing centre, carries out signal processing and power amplification
Afterwards, it is injected into telecommunication satellite by antenna uplink；Meanwhile connecting station is also responsible for receiving telecommunication satellite downlink signal, under realization
Row monitoring function；
Space segment includes Beidou constellation and telecommunication satellite, wherein telecommunication satellite is responsible for receiving the enhancing letter that ground connecting station uploads
Number, broadcast/it is transmitted to terminal user；
User terminal receives enhancing signal and Beidou signal is demodulated to obtain enhancement information and observation data, utilizes enhancement information
Positioning calculation is carried out with observation data, and then obtains the location information of centimetre class precision.
2. ocean monitoring buoy according to claim 1, which is characterized in that the Sensors on Data Buoy unit includes that posture passes
Sensor and temperature sensor, the attitude transducer have sextuple data acquisition ability, and for acquiring 3-axis acceleration, two dimension is inclined
Tiltedly, orientation；The temperature sensor uses high-precision platinum resistance thermistor temperature collection information；The data processing unit for pair
A variety of monitoring data of the attitude transducer and the high-precision platinum resistance thermistor real-time perception are received, are filtered, signal
Transformation and transmission.
3. ocean monitoring buoy according to claim 1, which is characterized in that the Big Dipper base enhancing receiver connects in real time
Multiple the Big Dipper bases enhancing signal that telecommunication satellite is broadcast or forwarded is received, it is floating based on the multiple the Big Dipper base enhancing signal correction
Location data is marked, the location information of centimetre class precision is obtained.
4. ocean monitoring buoy according to claim 1, which is characterized in that the collision-proof alarm assessment device includes sound
Identification module, range laser radar, AIS receiving device, three axis accelerometer and control module.
5. ocean monitoring buoy according to claim 4, which is characterized in that the three axis accelerometer for experiencing in real time
Buoy is knocked the variable quantity of intensity and instantaneous acceleration, according to the variable quantity of computation model and instantaneous acceleration, assesses buoy
The degree being knocked, then by Big Dipper short message function, the acceleration value for being instantaneously knocked generation monitored is passed back on the bank
Monitor supervision platform.
6. ocean monitoring buoy according to claim 1, which is characterized in that the stolen tracing system is used for buoy height
Precision position information carries out real-time resolving and judgement, is judged as that buoy is stolen or anchor chain is disconnected if location information deviates given threshold
It splits, issues warning information, pass buoy real-time high-precision location information back on the bank monitor supervision platform.
7. ocean monitoring buoy according to claim 1, which is characterized in that the power supply system is supplied using diesel-driven generator
Electricity, while being equipped with solar panel, wind-driven generator, wave-activated generator and battery group and realizing complementary uninterrupted power supply.
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