CN113823124A - Beidou AIS multifunctional navigation mark system - Google Patents
Beidou AIS multifunctional navigation mark system Download PDFInfo
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Abstract
The invention provides a Beidou AIS multifunctional beacon system, which comprises a Beidou satellite, a beacon terminal and a shore end application subsystem, wherein the beacon terminal is transmitted with the shore end application subsystem through the Beidou satellite, and the beacon terminal is communicated with the shore end application subsystem through AIS high-frequency radio waves; the navigation mark terminal is used for receiving and analyzing ship position information data sent by the Beidou satellite and acquiring ship navigation data, and the position information is processed by the navigation mark terminal and then is transmitted to the shore end application subsystem through the Beidou satellite; the shore-side application subsystem is used for storing data information collected by the communication server into a database through an intranet LAN (local area network), realizing real-time monitoring of remote measurement data of the beacon terminal, and transmitting ship control information to the beacon terminal through the Beidou satellite through the two-way communication function of the Beidou satellite short message service; the invention can improve the management and maintenance of the navigation mark and expand the functions of the navigation mark.
Description
Technical Field
The invention relates to the technical field of beacon lights, in particular to a Beidou AIS multifunctional beacon system.
Background
With the rapid development of inland river shipping industry, the requirements on the navigation mark are higher and higher. The navigation mark is an important navigation aid facility for safe navigation of the ship, and the navigation mark is arranged to promote safe and effective navigation of the ship traffic. Taking the Yangtze river as an example, the ship flow and navigation density of the water area and the port of the Yangtze river are gradually increased, the scale of the ship navigation water area is not greatly improved, the water channel becomes narrower and narrower, the port is more and more busy, water transportation accidents frequently occur, ship stranding accidents occur occasionally, and the harm degree of the accidents is also more and more large.
In recent years, with the development of sensor technology, electronic technology and communication technology, a navigation mark is used as a carrier, and weather and hydrological information acquisition sensors such as water flow, temperature, wind speed and wind direction are integrated on the navigation mark, so that the navigation mark is favorable for collecting a large amount of navigation environment information. Meanwhile, with the development of the Beidou and radio frequency electronic technology, the AIS technology generates new vitality, and various domestic Beidou AIS related products with small volume, stable performance and low price emerge on the market. Therefore, with the gradual perfection of the Beidou satellite navigation system and the continuous development of the AIS technology in the navigation field in China, the AIS navigation equipment based on Beidou positioning is more and more widely applied, the Beidou and the AIS technology are combined and applied to the navigation mark equipment, the optimization of the constituent structure of the navigation mark system is facilitated, the installation and maintenance workload is reduced, the navigation mark modernization level is improved, and the development of the navigation guarantee technology is promoted.
At present, the navigation light is widely applied to the offshore channel, but the following problems still exist:
(1) the antenna, the GPS, the lamp, the power supply, the AIS and other equipment adopt split type design, and are inconvenient to deploy and carry.
(2) The lamp, the remote measurement and control and the AIS navigation mark are independent separation systems, a plurality of redundant positioning modules and antennas are arranged on the same navigation mark, the overall power consumption of the navigation mark is increased, and power connection is easy to be disordered, difficult to overhaul and complex to maintain during deployment.
(3) The positioning system still takes a GPS system as a main part, and the application of the domestic Beidou positioning system on the navigation mark is slow.
The existing navigation mark has single function, the existing navigation mark is only limited to a luminous indication channel, other information of the channel cannot be collected, safety auxiliary information cannot be provided, and navigation information of Yangtze river cannot be collected and reasonably utilized in time.
The navigation mark informatization and intelligentization level is not high, and many navigation marks not only have single functions, but also are in an isolated state and do not accord with the informatization level of shipping. The navigation mark is low in informatization and intelligence levels, so that the navigation mark is easy to malfunction, the navigation safety of passing ships is seriously threatened, sometimes the navigation mark is collided and overturned, the obstacle in a navigation channel is directly formed, and after the buoy is collided and displaced by the passing ships, the passing ships are also directly misguided to normally navigate, and a navigation accident is triggered. Meanwhile, the damage of the navigation mark also directly causes economic loss of a navigation mark management mechanism, and some navigation mark mechanisms are too heavy, thus influencing the investment of normal navigation mark equipment and causing vicious circle of the reduction of the navigation mark quality and the maintenance standard. Many navigation mark authorities therefore lose tens or even hundreds of thousands of dollars each year. Sometimes, the navigation mark is damaged and can not be found in time, the troublemaker escapes, the legal responsibility is difficult to be traced, and the navigation mark management organization is forced to undertake administrative compensation, which causes great difficulty for normal navigation mark management.
The navigation mark maintenance management means is backward, the tonnage of the navigation mark operation ship is small, and the operation capacity is insufficient. For a long time, the navigation mark management mechanism carries out normal maintenance and management on the navigation mark in a manual regular inspection mode, so that a large amount of manpower and material resources are consumed, once the navigation mark breaks down or is out of order, the navigation mark management mechanism cannot find and repair the navigation mark in time, the normal rate of the navigation mark cannot be guaranteed, ship accidents are triggered due to the fact that the navigation mark is out of order, and great difficulty is caused to the normal navigation mark maintenance and management of the navigation mark management mechanism.
Disclosure of Invention
In view of this, the invention aims to provide a Beidou AIS multifunctional navigation mark system which can improve navigation mark management and maintenance and expand navigation mark functions.
The invention is realized by adopting the following method: a Beidou AIS multifunctional beacon system comprises a Beidou satellite, a beacon terminal and a shore end application subsystem, wherein the beacon terminal is transmitted with the shore end application subsystem through the Beidou satellite, and the beacon terminal is communicated with the shore end application subsystem through AIS high-frequency radio waves;
the navigation mark terminal is used for receiving and analyzing ship position information data sent by the Beidou satellite, acquiring ship navigation data, extracting real-time position data, processing position information through the navigation mark terminal, and then conveying the position information to the shore end application subsystem through the Beidou satellite;
the shore end application subsystem is used for storing data information collected by the communication server into a database through an intranet LAN (local area network), realizing real-time monitoring of remote measurement data of the beacon terminal, transmitting ship control information to the beacon terminal through the Beidou satellite through the two-way communication function of the Beidou satellite short message service, and realizing remote control and response of the beacon terminal.
Furthermore, the navigation mark terminal comprises a navigation mark lamp body, a remote measurement and control terminal box and a storage battery, wherein the navigation mark lamp body is arranged on a ship, the navigation mark lamp body is communicated with a Beidou channel of the remote measurement and control terminal box through AIS, a circuit board, a temperature sensor, a wind direction and speed sensor and a flow rate sensor are arranged in the remote measurement and control terminal, the circuit board is electrically connected with the temperature sensor, the wind direction and speed sensor and the flow rate sensor, the temperature sensor is used for acquiring the water temperature of a ship navigation area, the wind direction and speed sensor is used for acquiring the wind direction and speed of the ship during navigation, and the flow rate sensor is used for detecting the water flow speed of the ship navigation area; the storage battery is used for supplying power for the telemetering remote control terminal box.
Furthermore, the receiving and analyzing of the navigation mark terminal are performed through a Beidou positioning module, the Beidou positioning module is arranged on the circuit board, data interaction is performed between the Beidou positioning module and the circuit board, a 485 communication protocol is executed through the communication protocol, and the receiving and analyzing of the ship position information data are performed through a third message format specified by the 485 communication protocol.
Further, the shore-side application subsystem comprises a Beidou user terminal, an AIS receiving terminal, a communication server, an application server, a database and a client, wherein the Beidou user terminal is used for receiving ship data sent by the Beidou satellite, the AIS receiving terminal is communicated with the beacon terminal through VHF antenna high-frequency radio waves, the Beidou user terminal and the AIS receiving terminal transmit data to the communication server through RS232 interface circuits, the communication server stores the received data information into the database through an intranet LAN, and the client can read the data in the database through the communication server.
Furthermore, the remote measurement data of the beacon terminal is data collected and gathered by the beacon terminal, a communication link of the remote measurement data is used by combining Beidou message communication and AIS message communication, the lengths of the two messages are fixed, the collected data are converted into bytes in the messages for transmission, and the bytes are analyzed and obtained by the shore-end application subsystem.
Furthermore, the navigation mark terminal also comprises a data timing storage and sending function, the navigation mark terminal stores the acquired telemetering data at a timing so as to prevent link abnormal data from being lost, and the telemetering data information of the period of time is sent to the system server at a timing so that the system server can monitor the working state of the navigation mark terminal.
Further, the remote control function of the beacon terminal specifically includes: the navigation mark terminal is arranged at a throwing position or the latitude and longitude of the datum point of the buoy, a data acquisition and reporting period is set, a remote control command of the navigation mark monitoring center is received and executed, and the navigation mark lamp is forcibly turned on or off according to the navigation mark monitoring center.
Further, the response of the beacon terminal is further specifically: the navigation mark terminal sends telemetering data information to the system server after receiving the query instruction of the system server, sends response information after receiving the control instruction of the system server, and replies operation completion information to the system server after the operation of the navigation mark terminal is completed.
Furthermore, the navigation mark terminal also comprises an alarm function, and when the telemetering data exceeds a set threshold value, the navigation mark terminal can give an alarm.
The invention has the beneficial effects that: the Beidou AIS information receiving and transmitting function is integrated, and the integrated design is adopted, so that the installation is convenient; the acquisition work of various navigation element information such as water flow velocity information, wind speed and direction information, water temperature information and the like is realized through an external sensor, the data receiving rate is more than 96 percent, and the intellectualization of channel information service is realized; the functions are rich, including data acquisition, remote measurement and control, anti-collision, off-position alarm, equipment fault alarm and the like, and the navigation safety of passing ships is ensured; the low-power-consumption design and the high-gain omnidirectional antenna are adopted, so that the anti-swing communication capacity is strong, the communication distance is long, the waterproof, anti-corrosion and anti-ultraviolet performances are strong, and the reliability of the equipment is high; the remote interaction between the navigation mark and the shore base is realized through communication software, database software, monitoring platform software and the like, and the remote monitoring and dynamic early warning of the operation condition of the navigation aid facility, the water flow speed, the water temperature, the wind speed and the wind direction and the like are realized.
Drawings
Fig. 1 is a system network architecture diagram of the present invention.
Fig. 2 is a block diagram of the structure of the navigation mark terminal.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides an embodiment: a Beidou AIS multifunctional beacon system comprises a Beidou satellite, a beacon terminal and a shore end application subsystem, wherein the beacon terminal is transmitted with the shore end application subsystem through the Beidou satellite, and the beacon terminal is communicated with the shore end application subsystem through AIS high-frequency radio waves;
the navigation mark terminal is used for receiving and analyzing ship position information data sent by the Beidou satellite, acquiring ship navigation data, extracting real-time position data, processing position information through the navigation mark terminal, and then conveying the position information to the shore end application subsystem through the Beidou satellite;
the shore end application subsystem is used for storing data information collected by the communication server into a database through an intranet LAN (local area network), realizing real-time monitoring of remote measurement data of the beacon terminal, transmitting ship control information to the beacon terminal through the Beidou satellite through the two-way communication function of the Beidou satellite short message service, and realizing remote control and response of the beacon terminal.
The invention is further illustrated by the following specific examples:
the navigation mark terminal acquires information such as navigation mark working voltage, working current and the like through the circuit board, and acquires information such as water temperature, wind speed and direction, water flow velocity and the like through the interfaces of the temperature sensor, the wind speed and direction sensor and the water flow velocity sensor; and the navigation mark information and the remote control information are communicated through the AIS and the Beidou channel through the Beidou AIS communication board. The navigation mark terminal receives and analyzes position related information data sent by the Beidou positioning module and extracts real-time position data, the data sent by the positioning module comprises real-time position information, namely a certain byte in the whole message, and longitude and latitude data are obtained through binary conversion; and providing data parameters for the transmission of the navigation mark 21 message. The Beidou positioning module is arranged on the circuit board and performs data interaction with a main chip of the circuit board, the communication protocol executes a 485 communication protocol, and the receiving and the analysis are performed through a first message format specified by the protocol. After the information is processed by the navigation mark terminal, data processing is to analyze and integrate the data through a microprocessor carried by a terminal merchant, and finally the data is sent according to a message data format of the big dipper; the Beidou satellite is transmitted to a Beidou user machine and transmitted to a communication server through an RS232 interface. The AIS message information can be transmitted to the communication server through the VHF antenna, the AIS receiver and the RS232 interface.
The shore-end application subsystem can store the information collected by the communication server into database software through an office intranet LAN (local area network), and display the information in the monitoring platform software in the form of symbols or text messages, so that the function of monitoring the navigation mark telemetering data in real time is realized. All information of the navigation mark can be transmitted to the outside through a Very High Frequency (VHF) antenna through the AIS transceiving module, and state information such as the position of the navigation mark is provided, so that radio navigation service is provided, and the ship can navigate at night more conveniently. And control information is transmitted to the beacon terminal through the Beidou satellite through the two-way communication function of the Beidou short message service, so that the functions of beacon remote control, response and the like are realized.
(1) Telemetry function
Telemetry functions with a variety of data including: meteorological hydrological data such as water flow, temperature, wind speed and wind direction; the state of the navigation mark antenna, the deviation distance (unit: meter) from the base point, and the like; working voltage and current of the Beidou intelligent AIS beacon; the working voltage, the working current and the quiescent current of the storage battery; the charging capacity and the discharging capacity (the data needing to be corrected such as voltage and current collected by the terminal should be corrected by adopting a front end), and the like. The remote measurement function means that the navigation mark can return collected data to a receiving end; the communication link of the data is used by combining Beidou message communication and AIS message communication, the lengths of the two messages are fixed, the acquired data are converted into bytes in the messages for transmission, and the bytes are analyzed at a receiving end to obtain the data.
(2) Remote control setting function
Has a plurality of remote control command setting functions, including: the Beidou intelligent AIS navigation mark throwing position or buoy datum point longitude and latitude are set; changing the working mode of the Beidou intelligent AIS beacon terminal; setting a collection and reporting period (a normal counting time interval and a warning counting time interval); and receiving and executing a remote control command of the navigation mark monitoring center, wherein the remote control command comprises the step of forcing the navigation mark lamp to emit light or close according to an instruction of the navigation mark monitoring center.
(3) Timed storage and data transmission function
The Beidou AIS beacon terminal stores the acquired data information at intervals to prevent link failure data loss. And the data information of the period of time is sent to the system server at intervals, so that the system server can monitor the working state of the Beidou intelligent AIS beacon at the period of time, and the timed sending times are more than or equal to 24 times/day. The data is all data collected by the navigation mark in the upper telemetering function, including hydrological data and navigation mark state data (data in the telemetering function).
(4) Answering function
After receiving the query instruction, the Beidou intelligent AIS beacon terminal sends data information (namely all data collected by the beacon, including hydrological data and beacon state data (data in a remote measuring function)) to the system server within 8-10 minutes. And according to the AIS standard, immediately sending response information after receiving the control instruction, and replying operation completion information after the operation is completed.
(5) Automatic alarm function
Has an automatic alarm function, comprising: when the meteorological hydrographic data such as water flow speed, water temperature, wind speed and wind direction exceed the set threshold value, the automatic alarm is given; the power supply is under-voltage and over-voltage and abnormal charging can automatically alarm; alarming the displacement of the buoy; the working state fault of the beacon light (the light is on in the daytime or the light is off at night) automatically alarms; the lamp quality abnormity and the lamp device abnormity are automatically alarmed; the big dipper AIS fairway buoy terminal itself can start the self-checking, and the automatic alarm that breaks down, including big dipper module and antenna anomaly alarm, lamp ware communication interface anomaly alarm etc.. The method is realized by an algorithm, a threshold value corresponding to data is set in a program, and when the acquired data exceeds the set threshold value, an alarm function is triggered.
(6) Collision avoidance function
According to the AIS navigation mark set by the navigation channel management department, important information is sent to the passing ships with the AIS equipment through the AIS 21 messages, such as the name, type, position, speed and the like of the navigation mark can be provided, and scientific basis is provided for ship collision avoidance. The collision avoidance means that after the AIS receiver of the ship receives the AIS position information of the navigation mark, the position of the navigation mark and other information are known at the position, and avoidance is carried out. Therefore, collision between the ship and the navigation mark is avoided in the running process of the ship.
The Beidou intelligent AIS navigation mark terminal system mainly comprises modules for wind speed and direction detection, water flow speed detection, water temperature detection, communication, power supply management and the like;
wind speed and direction detection module
And the wind speed and direction sensor interface is connected with the TS WTS200 ultrasonic wind speed and direction sensor to acquire information such as wind speed and direction of the channel.
Water flow velocity detection module
The water flow velocity sensor interface is connected with a GLX-RSS-2-300W non-contact radar flow rate meter to acquire information such as water flow velocity of the channel.
Water temperature detection module
The water temperature sensor is connected with a DL10-M485-V24-D1 temperature sensor through a water temperature sensor interface to acquire information such as channel water flow temperature.
Communication module
The AIS network and the Beidou satellite channel are adopted to transmit beacon data, and functions of information intercommunication, remote measurement and remote control, response and the like are achieved through the AIS message and the AIS transceiver and the Beidou short message and the Beidou satellite.
Power supply management module
The navigation mark monitoring system has the advantages that information such as working voltage and current of the navigation mark, working voltage, working current and quiescent current of the storage battery, charging capacity and discharging capacity is acquired, dynamic monitoring is achieved through the AIS and the Beidou channel, and functions such as automatic alarming are achieved when the power supply is under-voltage and over-voltage and charging is abnormal.
Please refer to fig. 2, the hardware of the big dipper intelligent AIS beacon terminal is composed of a data acquisition board and a big dipper AIS communication board, the former is mainly used for acquiring beacon information, and the latter is mainly used for communicating the beacon information through AIS and big dipper channels.
Data acquisition board (Circuit board)
The data acquisition board mainly realizes the functions of controlling the power supply of the sensor, acquiring the timing data of the sensor, communicating with the remote measurement and control board through 485 and the like.
(1) The DC-DC chip adopts L5973D, and L5973D is a buck type single-chip power switching regulator, the minimum switching current of which is limited to 2.5A, so that it can supply DC current exceeding 2A to the load according to application conditions. The output voltage may be set in the range of 1.235V to 35V. The SO8 package with exposed frame also achieves high current levels, which can reduce Rth (j-amb) to about 40 deg.C/W. The device uses an internal P-channel D-MOS transistor (typically 250m omega for Rdson) as a switching element to minimize the size of the external components. The internal oscillator fixes the switching frequency to 250 kHz.
(2) The main chip is selected to be STM32F407, the single chip microcomputer is provided with 100 pins, and Cortex with the working frequency of 168MHz is providedTMThe performance of the M4 kernel (with floating point units). 16kbit flash,1 kbit eeprom, supports on-line simulation of swim, provides up to 15 communication interfaces (including 6 USARTs with speed up to 11.25Mb/s, 3 SPI with speed up to 45Mb/s, 3I2C. 2 CANs and 1 SDIO), and 2 12-bit DACs, 3 12-bit ADCs with speed of 2.4MSPS or 7.2MSPS (interleaved mode).
(3)485 interface: the chip MAX3485 and 3.3V are selected for power supply, and the IO pin has an expanded ESD protection function.
(4) And one SWIM port supports the online debugging of the chip.
(5) And one path 232 port for programming the chip.
Big dipper AIS communication board
The big dipper AIS communication board main hardware comprises control module, AIS module, big dipper module, power management module and 485 output module. The main function is to communicate the beacon information through AIS and big dipper passageway.
(1) Control module
Providing a low power microcontroller STM32F103CBT6, ARM 32 bit Cortex, using intentional semiconductorsTMM3 CPU core, highest frequency 72mhz, 64 or 128K flash memory on chip, 20K SRAM, three 16-bit timers, each with at most 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder inputs, with serial ports of 2 SPI, 2 IC2(SMBUS/PMBUS), 3 USART (ISO 7816 interface, LIN, IRDA capability, modem control), 7-channel DMA controller, 9 communication interfaces, CAN interface (2.0B active).
(2) AIS module
The AIS module comprises a local oscillator module and a radio frequency driving module, and the local oscillator module adopts an SI4463 radio frequency chip. The radio frequency driving module adopts a 2-stage amplification mode, a first stage adopts a 2SK3475 field effect transistor, a second stage adopts an RQA0009 field effect transistor, and the two transistors are MOS FET type transistors specially designed for VHF/UHF radio frequency power amplifier application. The AIS module adopts a transmitting-receiving-only working mode, the carrier frequencies of the AIS module are 161.975MHZ and 162.025MHZ, the bandwidth is 25KHZ, and the frequency error is less than 3 ppm. Digital signals such as MMSI (multimedia messaging service) numbers, lamp quality, GPS (global position system) positions and the like of the beacon lights are packaged into a standard secret code format meeting IEC61992-2 through HDLC (high-level data link) and are in accordance with the transmission characteristics of GMSK (Gaussian minimum shift keying), the signals also need to be subjected to one-time non-return to zero flip coding (NRZI), and finally are modulated into channels 87B and 88B in the form of GMSK to be transmitted.
(3) Beidou module
Adopt TM0558 big dipper communication module, it has integrateed big dipper generation radio frequency transceiver chip BN622, 5W power amplifier chip BN161P to and baseband chip and LNA circuit, can realize the short message communication function and the locate function of big dipper one number through external SIM card and passive antenna.
(4) Power supply management module
The TLV62150 voltage reduction converter is adopted to realize voltage conversion, and 12.8V input voltage is converted into 3.3V to be output to the chip, the AIS module, the BD module, the GPS module and the 485 output module.
(5)485 output module
A MAX3485 chip is used which is a low power transceiver of 3.3V for RS-485 and RS-422 communication. Each component includes a driver and a receiver. The MAX3485 transmission rate can reach 10Mbps, and the method is suitable for half-duplex communication.
The wind speed and direction sensor, the water flow rate sensor, the circuit board and the water temperature sensor in the invention are all the prior art, and a person skilled in the art can clearly understand that details are not described herein, the model of the wind speed and direction sensor can be a TS WTS200 ultrasonic wind speed and direction sensor, the model of the water flow rate sensor can be a GLX-RSS-2-300W non-contact radar current meter, the model of the water temperature sensor can be a DL10-M485-V24-D1 temperature sensor, the model of the circuit board can be a PCB circuit board, and the circuit board comprises a main chip (STM32F103CBT6), a voltage monitoring chip (MCP6001UT-E/OT), a current monitoring core (INA213AIDCKT), a Beidou positioning module and other devices which are arranged below a lamp and inside a navigation mark.
In a word, the invention considers the development direction of the beacon light according to the requirement of remote wireless communication, combines with mature scientific technology, develops and develops the digital beacon light with perfect function, better practicability and more convenient management. Based on a low-power-consumption design principle, a Beidou AIS communication technology and differential positioning are adopted to realize an anti-collision early warning function; and the function of remote fault monitoring is realized through wireless transmission and data receiving software of the upper computer of the server. The beacon light provides a reference scheme for the construction of a digital navigation channel based on the Internet of things, and has important significance for the improvement of the safety and management informatization level of the navigation channel; adopt advanced sensing technology, communication technology, artificial intelligence technique integrated water temperature, water velocity, information such as wind speed wind direction on the navigation mark, construct the product structure through optimizing again, adopt low-power consumption, high-efficient circuit design reduces the operation energy consumption, integrated lamp ware, big dipper AIS communication, modules such as antenna for the navigation mark lamp is highly integrated integrative, thereby reduce the deployment and the maintenance work load of navigation mark lamp, improve the intelligent level of navigation mark management and maintenance, extend the navigation mark function, provide reliable navigation aid service for the boats and ships that navigate by water.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (9)
1. The utility model provides a multi-functional fairway buoy system of big dipper AIS, includes big dipper satellite, its characterized in that: the system also comprises a beacon terminal and a shore end application subsystem, wherein the beacon terminal is transmitted with the shore end application subsystem through the Beidou satellite, and the beacon terminal is communicated with the shore end application subsystem through AIS high-frequency radio waves;
the navigation mark terminal is used for receiving and analyzing ship position information data sent by the Beidou satellite, acquiring ship navigation data, extracting real-time position data, processing position information through the navigation mark terminal, and then conveying the position information to the shore end application subsystem through the Beidou satellite;
the shore end application subsystem is used for storing data information collected by the communication server into a database through an intranet LAN (local area network), realizing real-time monitoring of remote measurement data of the beacon terminal, transmitting ship control information to the beacon terminal through the Beidou satellite through the two-way communication function of the Beidou satellite short message service, and realizing remote control and response of the beacon terminal.
2. The Beidou AIS multifunctional beacon system according to claim 1, characterized in that: the navigation mark terminal comprises a navigation mark lamp body, a remote measurement and control terminal box and a storage battery, wherein the navigation mark lamp body is arranged on a ship, the navigation mark lamp body is communicated with a Beidou channel of the remote measurement and control terminal box through AIS, a circuit board, a temperature sensor, a wind direction and speed sensor and a flow rate sensor are arranged in the remote measurement and control terminal, the circuit board is electrically connected with the temperature sensor, the wind direction and speed sensor and the flow rate sensor, the temperature sensor is used for acquiring the water temperature of a ship navigation area, the wind direction and speed sensor is used for acquiring the wind direction and the wind speed when the ship navigates, and the flow rate sensor is used for detecting the water flow speed of the ship navigation area; the storage battery is used for supplying power for the telemetering remote control terminal box.
3. The Beidou AIS multifunctional beacon system according to claim 2, characterized in that: the navigation mark terminal receives and analyzes the navigation mark terminal through a Beidou positioning module, the Beidou positioning module is arranged on the circuit board, data interaction is carried out between the Beidou positioning module and the circuit board, a 485 communication protocol is executed by the communication protocol, and ship position information data are received and analyzed through a first message format specified by the 485 communication protocol.
4. The Beidou AIS multifunctional beacon system according to claim 1, characterized in that: the shore-side application subsystem comprises a Beidou user terminal, an AIS receiving terminal, a communication server, an application server, a database and a client, wherein the Beidou user terminal is used for receiving ship data sent by the Beidou satellite, the AIS receiving terminal is communicated with the beacon terminal through VHF antenna high-frequency radio waves, the Beidou user terminal and the AIS receiving terminal transmit data to the communication server through RS232 interface circuits, the communication server stores the received data information into the database through an intranet LAN, and the client can read the data in the database through the communication server.
5. The Beidou AIS multifunctional beacon system according to claim 1, characterized in that: the remote measurement data of the beacon terminal is data collected and gathered by the beacon terminal, a communication link of the remote measurement data is used by combining Beidou message communication and AIS message communication, the lengths of the two messages are fixed, the collected data are converted into bytes in the messages for transmission, and the bytes are analyzed and obtained by the shore-end application subsystem.
6. The Beidou AIS multifunctional beacon system according to claim 1, characterized in that: the navigation mark terminal also comprises a data timing storage and sending function, the navigation mark terminal stores the collected telemetering data at a timing so as to prevent link abnormal data from being lost, and the telemetering data information of the period of time is sent to the system server at a timing so that the system server can monitor the working state of the navigation mark terminal.
7. The Beidou AIS multifunctional beacon system according to claim 1, characterized in that: the remote control function of the navigation mark terminal specifically comprises the following steps: the navigation mark terminal is arranged at a throwing position or the latitude and longitude of the datum point of the buoy, a data acquisition and reporting period is set, a remote control command of the navigation mark monitoring center is received and executed, and the navigation mark lamp is forcibly turned on or off according to the navigation mark monitoring center.
8. The Beidou AIS multifunctional beacon system according to claim 1, characterized in that: the response of the navigation mark terminal is further specifically as follows: the navigation mark terminal sends telemetering data information to the system server after receiving the query instruction of the system server, sends response information after receiving the control instruction of the system server, and replies operation completion information to the system server after the operation of the navigation mark terminal is completed.
9. The Beidou AIS multifunctional beacon system according to claim 1, characterized in that: the navigation mark terminal also comprises an alarm function, and when the telemetering data exceeds a set threshold value, the navigation mark terminal can give an alarm.
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| CN202111109761.7A Pending CN113823124A (en) | 2021-09-23 | 2021-09-23 | Beidou AIS multifunctional navigation mark system |
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| CN116935699A (en) * | 2023-09-15 | 2023-10-24 | 天津港(集团)有限公司 | Intelligent seaport channel integrated monitoring system and method |
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| CN116935699A (en) * | 2023-09-15 | 2023-10-24 | 天津港(集团)有限公司 | Intelligent seaport channel integrated monitoring system and method |
| CN116935699B (en) * | 2023-09-15 | 2023-12-12 | 天津港(集团)有限公司 | Intelligent seaport channel integrated monitoring system and method |
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Application publication date: 20211221 |