CN218181350U - Ship-mounted terminal of ship automatic identification system - Google Patents
Ship-mounted terminal of ship automatic identification system Download PDFInfo
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- CN218181350U CN218181350U CN202222306724.1U CN202222306724U CN218181350U CN 218181350 U CN218181350 U CN 218181350U CN 202222306724 U CN202222306724 U CN 202222306724U CN 218181350 U CN218181350 U CN 218181350U
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- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
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- 230000002159 abnormal effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
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- 230000002093 peripheral effect Effects 0.000 description 2
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- 230000006378 damage Effects 0.000 description 1
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Abstract
The utility model discloses an automatic ship identification system shipborne terminal, which comprises an AIS module, an identification card written with fishing boat identity data, an identification card read-write unit used for realizing the full-flow online supervision of boat codes and a wireless communication module used for realizing the data communication between the terminal and a national fishery radio integrated management service platform; the identification card reading and writing unit comprises an MCU and a password operation unit arranged on the MCU; the MCU is connected with an identification card interface circuit, and an identification card is inserted in the identification card interface circuit; the wireless communication module is connected with the MCU; the AIS module is connected with the MCU, and the AIS module is further connected with a state monitoring unit. The utility model discloses can realize the online real-time full flow management of MMSI identification code, effectively block illegal acts of breaking private closing equipment, falsifying identification code etc..
Description
Technical Field
The utility model relates to a ship communication technology field, concretely relates to ship-borne terminal of boats and ships automatic identification system.
Background
The AIS (automatic ship identification system) is a necessary safe navigation aid radio device for ships, and is mainly used for automatically sending and receiving basic ship information and navigation information, tracking and recording ship positions, and preventing collision among ships. According to international regulations, each ship and its AIS device should have a unique list of MMSI (identification code for marine Mobile Service, abbreviated as "nine-digit code") identification codes for identifying ship identity information during communication.
The shipborne AIS terminal consists of an information processor, an information display, a VHF transceiver and a shipborne electronic communication interface. The information processor is a core part of the AIS terminal, stores static information such as MMSI identification code, ship name, call sign, ship type, ship draft and the like of the ship, receives navigation information transmitted from an external sensor, and processes and stores dynamic information such as ship position, course, speed and the like. According to a communication protocol, the AIS encodes the latest navigation information and necessary static information of the ship and transmits the encoded information through a VHF channel so as to achieve the purpose of mutual communication with surrounding ships.
In the conventional scheme, the AIS terminal has two main limitations in storing and processing static information. Firstly, a user can modify static information such as MMSI (multimedia messaging service) of a ship through a human-computer interaction interface or specific software (provided by a manufacturer), and part of fishermen falsify equipment information privately or steal other ship numbers for evading supervision; secondly, the terminal device cannot monitor and update static information in real time, and when the identity information of the ship changes, especially when the ship is bought or sold or updated and modified, the information written in the terminal cannot be synchronously changed. These cause that the marine 'ship yard is not accordant, one ship has multiple yards, one yard has multiple ships' phenomenon is forbidden frequently, seriously influences the ship emergency rescue efficiency, brings risk hidden danger for safe navigation and distress search and rescue of fishing boats, and threatens the life and property safety of fishermen all the time. Therefore, online real-time full-flow management of the MMSI identification code can be realized, illegal behaviors such as closing equipment privately and tampering the identification code can be effectively blocked, and the technical personnel need to solve the problems at the present stage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a boats and ships automatic identification system shipborne terminal, can realize the online real-time full flow management of MMSI identification code, effectively blocks illegal acts such as the private closing equipment of private closing, falsifying identification code.
In order to solve the technical problem, the utility model adopts the following technical proposal.
The ship-borne terminal of the automatic ship identification system comprises an AIS module, an identification card written with fishing boat identity data, an identification card read-write unit for realizing the full-flow online supervision of ship codes and a wireless communication module for realizing the data communication between the terminal and a national fishery radio integrated management service platform; the identification card reading and writing unit comprises an MCU and a password operation unit arranged on the MCU; the MCU is connected with an identification card interface circuit, and an identification card is inserted in the identification card interface circuit; the wireless communication module is connected with the MCU; the AIS module is connected with the MCU, and the AIS module is further connected with a state monitoring unit.
Preferably, the wireless communication module is a 4G module; the MCU is connected with a 4G module interface unit, and the 4G module interface unit is connected with a 4G module.
Preferably, the MCU is connected with an AIS module interface unit, and the AIS module interface unit is connected with an AIS module.
Preferably, the AIS module is further connected with a positioning unit and a VHF communication unit.
Preferably, the AIS module is further connected with a storage unit.
Due to the adoption of the technical scheme, the utility model has the following technical progress.
The utility model discloses an identification card that sets up can form physics with sign indicating number, card and terminal three and bind, agrees not to revise the interior encryption information of card without the supervision department, effectively prevents to erase and write and falsify the MMSI identification code.
The utility model discloses an identification card read-write unit that sets up and the 4G module of being connected with identification card read-write unit can realize the fishery radio integrated management service platform overall planning national fishing boat MMSI resource, implement the full period management and control to links such as the distribution, nuclear issue, change, the cancellation of MMSI sign indicating number and chip card, implement on-line automatic nine yards of assignation, realize the lifelong system management that "a ship one yard, sign indicating number are walked along with the ship".
The utility model discloses a MCU and the AIS module that will set up are connected, can dismantle terminal housing, low-battery, static data disappearance, ship card information disagreement, signal interruption, read abnormal conditions such as card and carry out real-time supervision, when guaranteeing fishing boat navigation safety, effectively take precautions against intentionally cutting off the power supply, shut down to and illegal action such as dismantling, destruction equipment without permission.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a port diagram of the MCU of the present invention;
FIG. 3 is a circuit diagram of the identification card and the interface circuit of the identification card of the present invention;
fig. 4 is a circuit diagram of the interface unit connecting circuit between the 4G module and the 4G module according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A ship-borne terminal of an automatic ship identification system is shown in a combined figure 1 and comprises a shell, wherein an identification card, an identification card reading and writing unit, a wireless communication module and an AIS module are arranged in the shell, and fishing boat identity data are written in the identification card and are inserted into the identification card reading and writing unit; the identification card reading and writing unit comprises an MCU, a password operation unit and an interface circuit and is used for realizing the ship code full-flow online supervision; the wireless communication module is used for realizing data communication between the terminal and the national fishery radio integrated management service platform; the AIS module is used for automatically sending and receiving basic information and navigation information of ships, tracking and recording the positions of the ships and preventing collision among the ships.
The interface circuit is used for realizing the connection of the MCU with the identification card, the wireless communication module and the AIS module, and comprises an identification card interface circuit, a wireless communication module interface unit and an AIS module interface unit.
The AIS module is the main control unit at terminal, external GNSS positioning unit, VHF communication unit, state monitoring unit and memory cell. The AIS module can acquire the positions of the AIS module and peripheral ships through an external GNSS positioning unit and an external VHF communication unit; through the externally connected state monitoring unit, states such as terminal shell disassembly, low electric quantity, static data loss, ship card information inconsistency, signal interruption, abnormal card reading and the like can be monitored, how the state monitoring unit monitors the abnormal states belongs to the prior art, and the description is omitted; by means of the external storage unit, navigation tracks (including peripheral ship tracks), system states and alarm records can be stored.
The port diagram of the MCU is shown in fig. 2, the UART _ CTS port, the UART _ TXD port, the UART _ RTS port, and the UART _ RXD port of the MCU are connected to the wireless communication module through the wireless communication module interface unit; the PSAM _ RX port and the PSAM _ TX port of the MCU are connected with an identification card through an identification card interface circuit; and the ATS _ RX port and the ATS _ TX port of the MCU are connected with the AIS module through the AIS module interface unit.
As shown in fig. 4, the wireless communication module interface unit is a 4G module interface unit, and the 4G module interface unit includes a level shifter and a 4G module interface circuit, where the level shifter includes a level shifter and a level shifter circuit, and the level shifter is a TXS0104EPWR shifter. The wireless communication module is a 4G module, in particular an EC20-SIM7600CE 4G module.
The 23 pin, the 17 pin, the 31 pin, the 19 pin, the 28 pin, the 11 pin, the 25 pin and the 13 pin of the 4G module are correspondingly connected with the EC20_ RXD end, the 7600_RXD end, the EC20_ TXD end, the 7600_TXD end, the EC20_ CTS end, the 7600_CTS end, the EC20_ RTS end and the 7600_RTS end of the 4G module interface circuit; the 4G _RXDend, the 4G _TXDend, the 4G _CTSend and the 4G _RTSend of the 4G module interface circuit are correspondingly connected with the 3 pins, the 2 pins, the 5 pins and the 4 pins of the level converter one by one; the 10 pin, the 12 pin, the 11 pin and the 13 pin of the level converter are correspondingly connected with a UART _ CTS end, a UART _ TX end, a UART _ RTS end and a UART _ RX end of the level conversion circuit one by one; the MCU _ UART _ CTS end, the MCU _ UART _ TXD end, the MCU _ UART _ RTS end and the MCU _ UART _ RXD end of the level conversion circuit are correspondingly connected with the UART _ CTS port, the UART _ TXD port, the UART _ RTS port and the UART _ RXD port of the MCU one by one.
The 4G module is mainly used for realizing data communication between the terminal and the national fishery radio integrated management service platform, and the national fishery radio integrated management service platform can call identification card information, equipment information, ship tracks, abnormal alarm records and the like through the 4G module, and can also transmit card writing instructions for updating ship identity information.
As shown in fig. 3, the identification card interface circuit is a prior art, and 12 pins of the identification card interface circuit are connected to the PSAM _ RX port of the MCU, and 11 pins of the identification card interface circuit are connected to the PSAM _ TX port of the MCU. The identification card is inserted in the identification card interface circuit, the identification card interface circuit is connected with the integrated circuit in the identification card through a contact, receives the MCU instruction, and realizes the read-write card operation through the data exchange with the identification card. Specifically, 6 pins of the identification card interface circuit are connected with 6 pins of the integrated circuit in the identification card, 7 pins of the identification card interface circuit are connected with 3 pins of the integrated circuit in the identification card, and 8 pins of the identification card interface circuit are connected with 2 pins of the integrated circuit in the identification card.
The identification card is an Internet of things chip card, has the technical characteristics of copy prevention and tamper prevention, is widely applied to the field of identity identification, and is used for solidifying AIS static information by adopting a machine-card separation mode. In the fishing boat registration link, fishing boat identity data including MMSI identification codes and other fishing boat information are written into the chip cards through a national fishery radio integrated management service platform (which is communicated with national fishing boat management data in real time), and the information binding of the boat cards is ensured, wherein one boat corresponds to one card, and one card reflects one boat. After the terminal inserts the card, the communication must obtain the static data through reading the card, other memory cells of the equipment do not store the static data separately, and the terminal user and the technical manufacturer do not have the authority of rewriting the static data.
The password operation unit is arranged on the MCU, and the MCU is communicated with the national fishery radio integrated management service platform through the 4G module to execute the command sent by the service platform; the MCU is communicated with the identification card through an identification card interface circuit; the MCU encodes and encrypts data transmitted to the identification card through the password operation unit, decrypts and decodes the data transmitted from the identification card, and realizes mutual authentication between national fishery radio integrated management service platform communication and the identification card; MCU is through communicating with the AIS module, transmits static data, acquires data such as AIS ship position, equipment state monitoring.
When the utility model is used, the code, the card and the terminal can be physically bound through the arranged identification card, the encrypted information in the card can not be modified without the consent of the supervision department, and the MMSI identification code can be effectively prevented from being erased, written and falsified; through the arranged identification card read-write unit and the 4G module connected with the identification card read-write unit, a national fishery radio comprehensive management service platform can be used for overall planning of national fishing vessel MMSI resources, the links such as distribution, verification, change, cancellation and the like of MMSI codes and chip cards are subjected to full-period management and control, nine-bit codes are automatically assigned on line, and the lifelong management of 'one ship one code and one code moving along with the ship' is realized; through MCU and the AIS module with setting up being connected, can dismantle terminal housing, low-battery, static data disappearance, ship card information disagreement, signal interruption, read abnormal conditions such as card and carry out real-time supervision, when guaranteeing fishing boat navigation safety, effectively take precautions against intentionally cutting off the power supply, shut down to and dismantle in good faith, destroy violation behaviors such as equipment.
Claims (5)
1. Ship automatic identification system shipborne terminal, including the AIS module, its characterized in that: the system also comprises an identification card for writing in identity data of the fishing boat, an identification card read-write unit for realizing the full-flow online supervision of boat codes and a wireless communication module for realizing the data communication between the terminal and the national fishery radio integrated management service platform; the identification card reading and writing unit comprises an MCU and a password operation unit arranged on the MCU; the MCU is connected with an identification card interface circuit, and an identification card is inserted in the identification card interface circuit; the wireless communication module is connected with the MCU; the AIS module is connected with the MCU, and the AIS module is further connected with a state monitoring unit.
2. The ship-borne terminal of an automatic ship identification system according to claim 1, characterized in that: the wireless communication module is a 4G module; the MCU is connected with a 4G module interface unit, and the 4G module interface unit is connected with a 4G module.
3. The onboard terminal of an automatic ship identification system according to claim 1, wherein: MCU is connected with AIS module interface unit, and AIS module interface unit is connected with the AIS module.
4. The ship-borne terminal of an automatic ship identification system according to claim 1, characterized in that: the AIS module is also connected with a positioning unit and a VHF communication unit.
5. The ship-borne terminal of an automatic ship identification system according to claim 1, characterized in that: the AIS module is further connected with a storage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222306724.1U CN218181350U (en) | 2022-08-31 | 2022-08-31 | Ship-mounted terminal of ship automatic identification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222306724.1U CN218181350U (en) | 2022-08-31 | 2022-08-31 | Ship-mounted terminal of ship automatic identification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218181350U true CN218181350U (en) | 2022-12-30 |
Family
ID=84621958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222306724.1U Active CN218181350U (en) | 2022-08-31 | 2022-08-31 | Ship-mounted terminal of ship automatic identification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218181350U (en) |
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2022
- 2022-08-31 CN CN202222306724.1U patent/CN218181350U/en active Active
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