CN102411150A - AIS (automatic identification System) shipborne terminal system based on Beidou satellite navigation - Google Patents
AIS (automatic identification System) shipborne terminal system based on Beidou satellite navigation Download PDFInfo
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- CN102411150A CN102411150A CN2011103665395A CN201110366539A CN102411150A CN 102411150 A CN102411150 A CN 102411150A CN 2011103665395 A CN2011103665395 A CN 2011103665395A CN 201110366539 A CN201110366539 A CN 201110366539A CN 102411150 A CN102411150 A CN 102411150A
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Abstract
The invention discloses an AIS (automatic identification system) shipborne terminal system based on Beidou satellite navigation, which comprises a Beidou satellite navigation system terminal receiving unit, a communication transmitting unit, a control/protocol stack/interface unit, a display terminal unit and a voltage-stabilized power supply unit. According to the invention, a ship automatic identification system technology can be adopted, the Beidou satellite receiving module is embedded, on the basis of an AIS standard, the Beidou satellite receiving module is used as a positioning source to replace an AIS original GPS module for positioning, each terminal device broadcasts the position information received by the Beidou satellite navigation system outwards at a very high frequency, such as 156.025 MHz-162.025 MHz, and the system can be widely applied to water navigation equipment such as shipping ships.
Description
Technical Field
The invention relates to an AIS (automatic identification system) shipborne terminal system, in particular to an AIS shipborne terminal system based on Beidou satellite navigation.
Background
The AIS (automatic identification system for ships) makes up the defects of the radar in ship tracking, plays a role in ensuring the ship navigation safety and protecting the marine environment, is approved by the navigation sea, is an advanced navigation device from the application of the marine radar, is used as a means for communication and safety collision prevention between ships and between the ships and the shore, supports the development of radar and ship traffic service (VTS), and improves the safety of life and property at sea and the navigation safety. At present, the AIS system is a collision avoidance system for exchanging data in a marine mobile VHF band by adopting a TDMA technology, and the system receives and transmits signals at two frequency points of 161.975MHz and 162.025MHz, namely, a marine VHF87B/88B channel, synthesizes data of a global positioning system GPS, an electric compass, an automatic rudder, a radar, an electronic chart and the like, and displays information of a ship position, dynamic state and the like on a display according to requirements.
The earliest AIS used satellite positioning technology, primarily the United states' GPS, which provided high accuracy position fixes only for the United states (especially the military), and low accuracy position fixes only for other users in other countries, and which was readily disabled (especially during wartime). Meanwhile, the Beidou satellite navigation system is mature day by day and can provide high-quality positioning, navigation and time service for global users. The open service is to provide location, speed measurement and time service for global free, the location precision is 10 meters, the speed measurement precision is 0.2 meters/second, and the time service precision is 10 nanoseconds. At present, the Beidou system is widely applied to the fields of fishery safety, forest fire prevention, water conservancy flood prevention, transportation, safety protection and the like in China. Compared with the American GPS, the Beidou satellite system has six advantages: 1) the Beidou positioning system and the AIS are mutually compatible in circuit and protocol; 2) the GPS has the functions of positioning and communication, does not need the support of other communication systems, and can only position by the GPS; 3) the Beidou system covers China and surrounding countries and regions, has a large coverage area and no communication blind area, and can serve not only China but also the surrounding countries; 4) the method is particularly suitable for large-scale monitoring management and data acquisition user data transmission application of group users; 5) the Beidou navigation and positioning system and the satellite augmentation system are integrated, so that the application of the Beidou navigation and positioning system and the satellite augmentation system is more abundant by utilizing a GPS; 6) the system is an autonomous system, is safe, reliable, stable and strong in confidentiality and is suitable for key departments. At present, a GPS navigation system is mostly adopted in a positioning system of AIS shipborne equipment, how to enable the AIS shipborne equipment to adopt a Beidou satellite which is automatically emitted by China to carry out accurate positioning, and the problem that communication with other ships and a land base station is needed to be solved at present is solved.
Disclosure of Invention
The invention provides an AIS (automatic identification system) shipborne terminal system based on Beidou satellite navigation, which can accurately position and communicate and transmit data for solving the technical problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows: an AIS (automatic identification system) shipborne terminal system based on Beidou satellite navigation comprises a Beidou satellite navigation system terminal receiving unit, a communication transmitting unit, a control/protocol stack/interface unit, a display terminal unit and a voltage-stabilized power supply unit; wherein,
the Beidou satellite navigation system terminal receiving unit comprises a Beidou antenna, a Beidou satellite navigation system terminal receiver and an amplifying and filtering circuit which are connected in sequence;
the communication receiving unit comprises a receiver front-end circuit, two TDMA receivers and a DSC receiver, wherein the receiver front-end circuit receives signals from an antenna, and the signals are transmitted to the TDMA receivers and the DSC receiver after being filtered;
the control/protocol stack/interface unit receives signals from the amplifying and filtering circuit, the TDMA receiver and the DSC receiver, processes the signals and sends the processed signals to the display terminal unit and the communication transmitting unit;
the communication transmitting unit comprises a TDMA transmitter which processes signals from the control/protocol stack/interface unit and transmits the signals through an antenna;
the display terminal unit receives and displays the signal from the control/protocol stack/interface unit;
the voltage-stabilized power supply unit supplies the working voltage of each unit.
The invention can also adopt the following technical scheme:
the communication receiving unit and the communication transmitting unit share an antenna and are switched by a receiving-transmitting change-over switch.
The transmission frequency band of the TDMA transmitter is very high frequency, and the frequency range is as follows: 156.025 MHz-162.025 MHz.
The invention has the advantages and positive effects that: by adopting the automatic identification system technology of the ship, a Beidou satellite receiving module is embedded, on the basis of the AIS standard, the Beidou satellite receiving module is used as a positioning source to replace the original GPS positioning of AIS, each terminal device broadcasts the position information received by the terminal device through a Beidou satellite navigation system to the outside in a very high frequency range of 156.025 MHz-162.025 MHz, the devices transmit and receive each other, the terminal devices in a frequency point range know the position information of a transmitting terminal, and can process, analyze and give a prompt to the received messages sent by the surrounding ships, the ship provided with the AIS equipment and running near the ship can be visually displayed through the integrated navigation system, the intelligent voice prompt is carried out on the ships with collision possibly around, the safety early warning effect is achieved, meanwhile, the dynamic and static information of the ship are continuously sent to the surrounding ships, and the running safety of the ship is improved, meets the requirements of international standard IEC-62287.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic circuit diagram of a terminal receiving unit of the Beidou satellite navigation system;
fig. 3 is a schematic circuit diagram of a regulated power supply unit.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
referring to fig. 1, an AIS ship-borne terminal system based on Beidou satellite navigation comprises a Beidou satellite navigation system terminal receiving unit, a communication transmitting unit, a control/protocol stack/interface unit, a display terminal unit and a regulated power supply unit; the Beidou satellite navigation system terminal receiving unit comprises a Beidou antenna, a Beidou satellite navigation system terminal receiver and an amplifying and filtering circuit which are sequentially connected; the communication receiving unit comprises a receiver front-end circuit, two TDMA receivers (TDMA receiver 1, TDMA receiver 2) and a DSC receiver, wherein the receiver front-end circuit receives signals from an antenna, and the signals are transmitted to the TDMA receivers (TDMA receiver 1, TDMA receiver 2) and the DSC receiver after being filtered; the control/protocol stack/interface unit receives signals from the amplifying and filtering circuit, the TDMA receiver and the DSC receiver, processes the signals and sends the processed signals to the display terminal unit and the communication transmitting unit; the communication transmitting unit comprises a TDMA transmitter which processes signals from the control/protocol stack/interface unit and transmits the signals through an antenna; the display terminal unit receives and displays the signal from the control/protocol stack/interface unit; the voltage-stabilized power supply unit supplies the working voltage of each unit.
The communication receiving unit and the communication transmitting unit can share one very high frequency antenna, and the frequency range can be as follows: 156.025 MHz-162.025 MHz, and can be switched by a transmit-receive switch.
FIG. 2 is a schematic circuit diagram of a terminal receiving unit of a Beidou satellite navigation system, FIG. 3 is a schematic circuit diagram of a stabilized voltage power supply unit, electrical connection is shown in FIGS. 2-3, a stabilized voltage power supply output end is respectively connected with a VCC input end of a Beidou satellite navigation system receiver and an inner core voltage power supply input end of the Beidou satellite navigation system receiver, wherein a receiving end of the Beidou satellite navigation system receiver is connected to a Beidou ANT receiving pin, signals are transmitted to an interface circuit through an amplifying and filtering circuit, the signals are transmitted to a display terminal and a TDMA transmitter in the interface circuit, self position information is broadcasted outwards by using VHF _ ANT, and operation of a ship AIS is realized.
The working principle of the invention is as follows:
the invention relates to a ship-borne AIS device adopting a Beidou satellite navigation system. The working principle and the core component of the shipborne AIS system are a Beidou satellite navigation system receiver, and compared with the American GPS, the China Beidou satellite positioning system has higher accuracy and can realize the communication function. By means of its accurate positioning and speed measuring function and providing high precision time reference, the control display unit for man-machine conversation, data acquisition and exchange is realized by means of time-division multiplex data communication technology controlled automatically by computer.
Claims (3)
1. An AIS (automatic identification system) shipborne terminal system based on Beidou satellite navigation is characterized by comprising a Beidou satellite navigation system terminal receiving unit, a communication transmitting unit, a control/protocol stack/interface unit, a display terminal unit and a voltage-stabilized power supply unit; wherein,
the Beidou satellite navigation system terminal receiving unit comprises a Beidou antenna, a Beidou satellite navigation system terminal receiver and an amplifying and filtering circuit which are connected in sequence;
the communication receiving unit comprises a receiver front-end circuit, two TDMA receivers and a DSC receiver, wherein the receiver front-end circuit receives signals from an antenna, and the signals are transmitted to the TDMA receivers and the DSC receiver after being filtered;
the control/protocol stack/interface unit receives signals from the amplifying and filtering circuit, the TDMA receiver and the DSC receiver, processes the signals and sends the processed signals to the display terminal unit and the communication transmitting unit;
the communication transmitting unit comprises a TDMA transmitter which processes signals from the control/protocol stack/interface unit and transmits the signals through an antenna;
the display terminal unit receives and displays the signal from the control/protocol stack/interface unit;
the voltage-stabilized power supply unit supplies the working voltage of each unit.
2. The AIS ship-borne terminal system based on Beidou satellite navigation according to claim 1, wherein the communication receiving unit and the communication transmitting unit share an antenna and are switched by a receiving-transmitting change-over switch.
3. The AIS ship-borne terminal system based on Beidou satellite navigation according to claim 1, characterized in that the emission frequency band of the TDMA transmitter is very high frequency, and the frequency range is as follows: 156.025 MHz-162.025 MHz.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103665395A CN102411150A (en) | 2011-11-18 | 2011-11-18 | AIS (automatic identification System) shipborne terminal system based on Beidou satellite navigation |
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| CN2011103665395A CN102411150A (en) | 2011-11-18 | 2011-11-18 | AIS (automatic identification System) shipborne terminal system based on Beidou satellite navigation |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680990A (en) * | 2012-06-01 | 2012-09-19 | 交通运输部公路科学研究所 | System and method used for measuring truck combination position track and based on global positioning system (GPS) |
| CN103905790A (en) * | 2014-03-14 | 2014-07-02 | 深圳市大疆创新科技有限公司 | Video processing method, device and system |
| CN105025441A (en) * | 2015-07-28 | 2015-11-04 | 武汉拓宝科技股份有限公司 | Very high frequency (VHF)/ultra high frequency (UHF) communication and global position system (GPS)/backward diode (BD) positioning technology based area communication positioning device, system and method |
| CN105116390A (en) * | 2015-08-05 | 2015-12-02 | 中国人民解放军海军航空工程学院 | Marine radar calibration-oriented measured value and AIS truth value dot pair construction method |
| CN105227208A (en) * | 2015-11-09 | 2016-01-06 | 天津七一二通信广播有限公司 | A kind of function intensifier as AIS equipment and implementation method |
| CN106291593A (en) * | 2016-07-28 | 2017-01-04 | 集美大学 | A kind of AIS information distributing platform based on the Big Dipper and broadcasting method |
| CN106550287A (en) * | 2017-01-10 | 2017-03-29 | 广州嘉航通信科技有限公司 | The VHF talkback units that integrated AIS is received |
| CN106658764A (en) * | 2017-01-10 | 2017-05-10 | 广州嘉航通信科技有限公司 | Wireless AIS base station |
| CN106788668A (en) * | 2016-11-22 | 2017-05-31 | 中船航海科技有限责任公司 | A kind of boat-carrying Big Dipper AIS combines reception system |
| CN107422344A (en) * | 2017-08-10 | 2017-12-01 | 广州中船文冲船坞有限公司 | Support the scientific investigation ship power positioning system structure of bathyscaph |
| CN108562923A (en) * | 2018-04-16 | 2018-09-21 | 大连海事大学 | A kind of Multi-source Information Fusion ship's fix method based on AIS ship station |
| CN109186605A (en) * | 2018-09-01 | 2019-01-11 | 哈尔滨工程大学 | A kind of unmanned boat boat-carrying based on UWB indoor positioning tests the speed direction-finding method |
| CN111899566A (en) * | 2020-08-11 | 2020-11-06 | 南京畅淼科技有限责任公司 | Ship traffic management system based on AIS |
| CN111899564A (en) * | 2020-06-17 | 2020-11-06 | 交通运输部天津水运工程科学研究所 | Method for monitoring AIS (automatic identification system) illegal closing behavior of ship |
| RU2783227C1 (en) * | 2021-11-19 | 2022-11-10 | Общество с ограниченной ответственностью "ВизКом" | System for satellite communication arrangement on water vehicles |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680990A (en) * | 2012-06-01 | 2012-09-19 | 交通运输部公路科学研究所 | System and method used for measuring truck combination position track and based on global positioning system (GPS) |
| CN103905790A (en) * | 2014-03-14 | 2014-07-02 | 深圳市大疆创新科技有限公司 | Video processing method, device and system |
| CN105025441A (en) * | 2015-07-28 | 2015-11-04 | 武汉拓宝科技股份有限公司 | Very high frequency (VHF)/ultra high frequency (UHF) communication and global position system (GPS)/backward diode (BD) positioning technology based area communication positioning device, system and method |
| CN105116390B (en) * | 2015-08-05 | 2017-11-14 | 中国人民解放军海军航空工程学院 | Towards marine radar calibration measured value and AIS true value point to construction method |
| CN105116390A (en) * | 2015-08-05 | 2015-12-02 | 中国人民解放军海军航空工程学院 | Marine radar calibration-oriented measured value and AIS truth value dot pair construction method |
| CN105227208A (en) * | 2015-11-09 | 2016-01-06 | 天津七一二通信广播有限公司 | A kind of function intensifier as AIS equipment and implementation method |
| CN106291593B (en) * | 2016-07-28 | 2018-10-19 | 集美大学 | A kind of AIS information distributings platform and broadcasting method based on the Big Dipper |
| CN106291593A (en) * | 2016-07-28 | 2017-01-04 | 集美大学 | A kind of AIS information distributing platform based on the Big Dipper and broadcasting method |
| CN106788668A (en) * | 2016-11-22 | 2017-05-31 | 中船航海科技有限责任公司 | A kind of boat-carrying Big Dipper AIS combines reception system |
| CN106658764A (en) * | 2017-01-10 | 2017-05-10 | 广州嘉航通信科技有限公司 | Wireless AIS base station |
| CN106550287A (en) * | 2017-01-10 | 2017-03-29 | 广州嘉航通信科技有限公司 | The VHF talkback units that integrated AIS is received |
| CN107422344A (en) * | 2017-08-10 | 2017-12-01 | 广州中船文冲船坞有限公司 | Support the scientific investigation ship power positioning system structure of bathyscaph |
| CN107422344B (en) * | 2017-08-10 | 2023-04-14 | 广州文冲船舶修造有限公司 | Scientific investigation ship dynamic positioning system structure supporting deep diving device |
| CN108562923A (en) * | 2018-04-16 | 2018-09-21 | 大连海事大学 | A kind of Multi-source Information Fusion ship's fix method based on AIS ship station |
| CN109186605A (en) * | 2018-09-01 | 2019-01-11 | 哈尔滨工程大学 | A kind of unmanned boat boat-carrying based on UWB indoor positioning tests the speed direction-finding method |
| CN109186605B (en) * | 2018-09-01 | 2022-03-18 | 哈尔滨工程大学 | Unmanned ship-borne speed and direction measuring method based on UWB indoor positioning |
| CN111899564A (en) * | 2020-06-17 | 2020-11-06 | 交通运输部天津水运工程科学研究所 | Method for monitoring AIS (automatic identification system) illegal closing behavior of ship |
| CN111899566A (en) * | 2020-08-11 | 2020-11-06 | 南京畅淼科技有限责任公司 | Ship traffic management system based on AIS |
| RU2783227C1 (en) * | 2021-11-19 | 2022-11-10 | Общество с ограниченной ответственностью "ВизКом" | System for satellite communication arrangement on water vehicles |
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Application publication date: 20120411 |