CN202330723U - 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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- CN202330723U CN202330723U CN 201120459264 CN201120459264U CN202330723U CN 202330723 U CN202330723 U CN 202330723U CN 201120459264 CN201120459264 CN 201120459264 CN 201120459264 U CN201120459264 U CN 201120459264U CN 202330723 U CN202330723 U CN 202330723U
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Abstract
The utility model discloses an AIS (automatic identification system) shipborne terminal system based on Beidou satellite navigation, comprising a Beidou satellite navigation system terminal receiving unit, a communication receiving unit, a communication transmitting unit, a control/protocol stack/interface unit, a display terminal unit and a stabilized voltage supply unit. The AIS shipborne terminal system disclosed by the utility model can use the technology of ship automatic identification system, internally embed Beidou satellite receiving module, and use Beidou satellite receiving module as positioning source for replacing the original GPS (global positioning system) module of AIS to position based on AIS standards; and each terminal device broadcasts the position information received via Beidou satellite navigation system outwards with very high frequency, e.g., a frequency ranging from 156.025 MHz to 162.025 MHz. The AIS shipborne terminal system based on Beidou satellite navigation can be widely applied to devices sailing on the water such as navigation ships.
Description
Technical field
The utility model relates to a kind of AIS Shipborne terminal system, particularly a kind of AIS Shipborne terminal system based on Beidou satellite navigation.
Background technology
The birth of AIS (ship automatic identification system) has remedied the deficiency of radar to ship tracking; The effect that it is brought into play aspect ensureing navigation safety and protecting the marine environment receives the approval of navigation circle; This system has been another advanced person's since marine radar is used a navigating equipment; As communication between a kind of ship and ship, ship and bank and safe collision prevention means, support to have developed radar and vessel traffic service (VTS), promoted the marine security of the lives and property and navigation safety.At present; The AIS system is the marine a kind of collision avoidance system that the VHF wave band adopts TDMA exchange of skills data that moves; This system is a receiving and transmitting signal on the marine VHF87B/88B channel at two frequencies of 161.975MHz and 162.025MHz; And data such as synthetic global position system GPS, gyro compass and autopilot, radar, electronic chart, and on display, show accommodation, dynamic dispatching information on demand.
The satellite positioning tech of AIS use the earliest mainly is a GPS of USA; GPS of USA only provides hi-Fix for U.S.'s (especially US military); To the other countries user positioning service of hanging down precision only is provided, and the U.S. can close this service (particularly in wartime) at any time.Meanwhile, Beidou satellite navigation system reaches its maturity, and can high-quality location, navigation and time service service be provided to global user.Open service is to provide free the location, test the speed and the time service service to the whole world, 10 meters of bearing accuracies, rate accuracy 0.2 meter per second, 10 nanoseconds of time service precision.Dipper system has obtained the industry widespread use in fields such as China's fishery safety, forest fire protection, water conservancy flood control, communications and transportation, securities at present.The GPS of America of comparing, there are six big advantages in the big-dipper satellite system: 1) Big Dipper positioning system and AIS on the circuit with all be compatible on the agreement; 2) it possesses location and communication function simultaneously, do not need other communication system supports, and GPS can only locate; 3) dipper system has covered China and neighboring countries and regions, and coverage is big, does not have communication blind zone, not only can be China, also can be surrounding countries services; 4) being particularly suitable for management of group user large-range monitoring and data acquisition user data transmission uses; 5) merge Big Dipper navigation positioning system and satellite enhanced system two large resources, therefore GPS also capable of using makes it to use abundanter; 6) autonomous system, safety, reliable, stable, strong security is fit to key sector and uses.At present; The positioning system of AIS ship-borne equipment adopts the GPS navigation system more; The big-dipper satellite that how to make the AIS ship-borne equipment adopt China to launch is voluntarily accurately located, and accomplish with other ships and and terrestrial base station between communication become the present problem that needs solution.
Summary of the invention
The utility model can accurately be located also a kind of AIS Shipborne terminal system based on Beidou satellite navigation of ability communication data transmission for the technical matters that exists in the solution known technology provides a kind of.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is: a kind of AIS Shipborne terminal system based on Beidou satellite navigation comprises Beidou satellite navigation system terminal receiving unit, communication receiving element, communication transmitter unit, control/protocol stack/interface unit, display terminal unit and power supply unit of voltage regulation; Wherein,
Said Beidou satellite navigation system terminal receiving unit comprises the Big Dipper antenna, Beidou satellite navigation system terminal receiver and the amplification filtering circuit that connect successively;
Said communication receiving element comprises receiver front end circuit, two TDMA receivers and a DSC receiver, and said receiver front end circuit receives the signal from antenna, transfers to said TDMA receiver and said DSC receiver after the Filtering Processing;
Said control/protocol stack/interface unit receives the signal from said amplification filtering circuit, said TDMA receiver and said DSC receiver, is sent to display terminal unit and communication transmitter unit after the processing;
Said communication transmitter unit comprises a TDMA transmitter, will transmit from the signal Processing of said control/protocol stack/interface unit and through antenna;
Said display terminal unit receives signal and demonstration from said control/protocol stack/interface unit;
Said power supply unit of voltage regulation is supplied with each cell operation voltage.
The utility model can also adopt following technical scheme:
Said communication receiving element and said communication transmitter unit common antenna switch through transmit-receive switch.
The transmit frequency band of said TDMA transmitter is a very high frequency(VHF), and frequency range is: 156.025MHz～162.025MHz.
Advantage and the good effect that the utlity model has are: adopt the ship automatic identification system technology, embedded big-dipper satellite receiver module is on the AIS standard base; The big-dipper satellite receiver module is substituted AIS prior GPS location as locating source; Each terminal device with oneself positional information through the Beidou satellite navigation system reception, is that 156.025MHz～162.025MHz outwards broadcasts with very high frequency(VHF) such as scope again, transmitting-receiving each other between the equipment; Let the interior terminal device of frequency point ranges know the positional information of launch terminal; And can handle, analyze and provide prompting to boats and ships message sent around receiving, can show near the boats and ships that AIS equipment is housed that go this ship intuitively, the boats and ships that possibly occur colliding are on every side carried out intelligent voice prompt through integrated navigation system; Reach the effect of safe early warning; The continuous again simultaneously dynamic and static information with this ship sends to boats and ships on every side, increases the security of ship running, satisfies international standard IEC-62287 requirement.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the circuit theory sketch of Beidou satellite navigation system terminal receiving unit;
Fig. 3 is the circuit theory sketch of power supply unit of voltage regulation.
Embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1; A kind of AIS Shipborne terminal system based on Beidou satellite navigation comprises Beidou satellite navigation system terminal receiving unit, communication receiving element, communication transmitter unit, control/protocol stack/interface unit, display terminal unit and power supply unit of voltage regulation; Wherein, said Beidou satellite navigation system terminal receiving unit comprises the Big Dipper antenna, Beidou satellite navigation system terminal receiver and the amplification filtering circuit that connect successively; Said communication receiving element; Comprise receiver front end circuit, two TDMA receivers (TDMA receiver 1, TDMA receiver 2) and a DSC receiver; Said receiver front end circuit receives the signal from antenna, transfers to said TDMA receiver (TDMA receiver 1, TDMA receiver 2) and said DSC receiver after the Filtering Processing; Said control/protocol stack/interface unit receives the signal from said amplification filtering circuit, said TDMA receiver and said DSC receiver, is sent to display terminal unit and communication transmitter unit after the processing; Said communication transmitter unit comprises a TDMA transmitter, will transmit from the signal Processing of said control/protocol stack/interface unit and through antenna; Said display terminal unit receives signal and demonstration from said control/protocol stack/interface unit; Said power supply unit of voltage regulation is supplied with each cell operation voltage.
Said communication receiving element and said communication transmitter unit can shared VHF aerials, and frequency range can be: 156.025MHz～162.025MHz, can switch through transmit-receive switch.
Fig. 2 is the circuit theory sketch of Beidou satellite navigation system terminal receiving unit; Fig. 3 is the circuit theory sketch of power supply unit of voltage regulation, is electrically connected like Fig. 2～shown in Figure 3, and output end of stabilized voltage supply connects Beidou satellite navigation system receiver VCC input end, Beidou satellite navigation system receiver core voltage power supply input end respectively; Wherein the receiving end with the Beidou satellite navigation system receiver is connected to Big Dipper ANT reception pin; Through the amplification filtering circuit, signal is delivered to interface circuit, signal is sent to display terminal and TDMA transmitter in interface circuit; Utilize VHF_ANT outwards to broadcast self-position information, realize the operation of watercraft AIS.
The principle of work of the utility model:
The utility model is a kind of onboard AIS equipment that adopts Beidou satellite navigation system.The principle of work of onboard AIS system and nucleus are a Beidou satellite navigation system receiver, and the big-dipper satellite positioning system of China has higher degree of accuracy for GPS of USA, and can realize the function of communication.By means of its accurate location and speed measuring function, and the high precision time benchmark is provided, realizes time-division multiplex data communication technology, the control display unit that carries out man-machine conversation, data acquisition and exchange by computer controlled automatic.
Claims (3)
1. AIS Shipborne terminal system based on Beidou satellite navigation; It is characterized in that, comprise Beidou satellite navigation system terminal receiving unit, communication receiving element, communication transmitter unit, control/protocol stack/interface unit, display terminal unit and power supply unit of voltage regulation; Wherein,
Said Beidou satellite navigation system terminal receiving unit comprises the Big Dipper antenna, Beidou satellite navigation system terminal receiver and the amplification filtering circuit that connect successively;
Said communication receiving element comprises receiver front end circuit, two TDMA receivers and a DSC receiver, and said receiver front end circuit receives the signal from antenna, transfers to said TDMA receiver and said DSC receiver after the Filtering Processing;
Said control/protocol stack/interface unit receives the signal from said amplification filtering circuit, said TDMA receiver and said DSC receiver, is sent to display terminal unit and communication transmitter unit after the processing;
Said communication transmitter unit comprises a TDMA transmitter, will transmit from the signal Processing of said control/protocol stack/interface unit and through antenna;
Said display terminal unit receives signal and demonstration from said control/protocol stack/interface unit;
Said power supply unit of voltage regulation is supplied with each cell operation voltage.
2. the AIS Shipborne terminal system based on Beidou satellite navigation according to claim 1 is characterized in that, said communication receiving element and said communication transmitter unit common antenna switch through transmit-receive switch.
3. the AIS Shipborne terminal system based on Beidou satellite navigation according to claim 1 is characterized in that the transmit frequency band of said TDMA transmitter is a very high frequency(VHF), and frequency range is: 156.025MHz～162.025MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120459264 CN202330723U (en) | 2011-11-18 | 2011-11-18 | AIS (automatic identification system) shipborne terminal system based on Beidou satellite navigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120459264 CN202330723U (en) | 2011-11-18 | 2011-11-18 | AIS (automatic identification system) shipborne terminal system based on Beidou satellite navigation |
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| Publication Number | Publication Date |
|---|---|
| CN202330723U true CN202330723U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120459264 Expired - Lifetime CN202330723U (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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411150A (en) * | 2011-11-18 | 2012-04-11 | 交通运输部天津水运工程科学研究所 | AIS (Automatic identification System) ship-borne terminal system based on Beidou satellite navigation |
| CN105388472A (en) * | 2015-11-20 | 2016-03-09 | 中国电子科技集团公司第二十八研究所 | Interlaced and overlapped object tracking method in sea radar system |
| CN110797024A (en) * | 2019-11-07 | 2020-02-14 | 大连海事大学 | VHF (very high frequency) maritime safety communication system based on voice recognition and subtitle display |
-
2011
- 2011-11-18 CN CN 201120459264 patent/CN202330723U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411150A (en) * | 2011-11-18 | 2012-04-11 | 交通运输部天津水运工程科学研究所 | AIS (Automatic identification System) ship-borne terminal system based on Beidou satellite navigation |
| CN105388472A (en) * | 2015-11-20 | 2016-03-09 | 中国电子科技集团公司第二十八研究所 | Interlaced and overlapped object tracking method in sea radar system |
| CN110797024A (en) * | 2019-11-07 | 2020-02-14 | 大连海事大学 | VHF (very high frequency) maritime safety communication system based on voice recognition and subtitle display |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300456 Xingang Road, Tanggu District, No. two, No. 2618, No. Patentee after: Tianjin Research Institute for Water Transport Engineering, M.O.T. Patentee after: Tianjin Survey and Design Institute of Water Transport Engineering Patentee after: Tianjin 712 Communications Broadcasting Limited by Share Ltd Address before: 300456 Xingang Road, Tanggu District, No. two, No. 2618, No. Patentee before: Tianjin Research Institute for Water Transport Engineering, M.O.T. Patentee before: Tianjin Survey and Design Institute of Water Transport Engineering Patentee before: Tianjin 712 Communication & Broadcasting Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
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| CX01 | Expiry of patent term |