CN117979334A - Full-ship network system of digital ship - Google Patents
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Abstract
The application relates to the field of digital ship network construction, in particular to a full ship network system of a digital ship, which comprises an external network module, an internal network module, a core exchange module, a safety management module, a parameter acquisition module and a navigation control module; the external network module, the core exchange module, the safety management module, the parameter acquisition module and the navigation control module are connected by adopting optical fibers; the core exchange module receives the instruction of the navigation control module and distributes the receiving and transmitting information of the external network module and the internal network module to the safety management module, the parameter acquisition module and the navigation control module according to the types; the application has the effect of realizing high speed, safety and reliability of communication in the ship in order to match the performance requirements of the networking equipment and the communication network of the ocean ship.
Description
Technical Field
The application relates to the field of digital ship network construction, in particular to a full ship network system of a digital ship.
Background
With the improvement of the digitization and intellectualization level of ships, the transmission of the data such as the audio and video data of the whole ship, the data of ship vibration signals acquired in real time with high channel number, the data of multi-bus intelligent equipment, the data of numerous intelligent sensors and the like is realized by a network system with higher reliability, so that the requirements of an information transmission network of the digitization ship and a real-time data processing system of hardware equipment in the ship are improved.
At present, many information transmission networks in ships adopt gigabit network lines and hundred mega network lines, so that the information transmission speed is limited, the real-time performance of information and instructions is ensured for improving the information transmission speed, and the conventional optical fiber construction scheme is adopted.
For ocean transport ships, besides the information transmission speed and the equipment data processing speed, the equipment and the communication network in the ship have the advantage of high reliability, when the ship sails to an ocean area, the positioning, external communication and information transmission of the ship are realized only by virtue of the built communication network of the ship, once the ship breaks down, the communication with the external world is blocked, the open sea environment is moist, the road jolts, and the equipment is easy to rust and damage.
Aiming at the related technology, the prior digital ship network system is improved to match the performance requirements of the networking equipment and the communication network of the ocean-going ship, so that the high-speed, safe and reliable communication in the ship is realized.
Disclosure of Invention
In order to match the performance requirements of networking equipment and a communication network of ocean vessels and realize high-speed, safe and reliable communication in the vessels, the application provides a full-vessel network system of a digital vessel.
The application provides a full-ship network system of a digital ship, which adopts the following technical scheme:
The whole ship network system of the digital ship comprises an external network module, an internal network module, a core exchange module, a safety management module, a parameter acquisition module and a navigation control module;
The external network module, the core exchange module, the safety management module, the parameter acquisition module and the navigation control module are connected by adopting optical fibers;
The external network module provides a satellite communication channel and a private network communication channel, tracks and positions navigation coordinates of the ship, and builds a connection channel between the ship and the outside;
the internal network module is independent of the external network module, and provides a rapid communication channel between internal equipment of the ship;
The core exchange module receives the instruction of the navigation control module and distributes the receiving and transmitting information of the external network module and the internal network module to the safety management module, the parameter acquisition module and the navigation control module according to the types;
The safety management module is used for monitoring the system operation of personnel in the ship, judging and recording the safety of the instruction, and sending the recorded content to the navigation control module;
The parameter acquisition module receives the instruction of the navigation control module, acquires the operation parameters of the equipment inside the ship, and feeds back the acquired information to the navigation control module;
The navigation control module performs man-machine interaction with personnel in the ship, and receives the safety information feedback of the safety management module in real time according to the feedback information of the parameter acquisition module, the equipment information transmitted by the internal network module and the communication command of the external network module so as to adjust the navigation state of the ship.
By adopting the technical scheme, the external network module, the internal network module, the core exchange module, the safety management module, the parameter acquisition module and the navigation control module form a basic network architecture of each function in the ocean navigation process of the ship, and the basic network architecture is connected through optical fibers to ensure high-speed transmission of information and ensure real-time and effective information, wherein the external network module is mainly used for satellite communication between the ship and the outside, and the ship can realize accurate GPS positioning in a remote ocean area, can carry out satellite communication with land personnel and affiliated companies, and sends SOS distress signals in emergency, so that the ship is the only module for communication between the ship and the outside; the internal network module is used for surfing the Internet of personnel in the ship after the ship is connected with the external network module, and the personnel in the ship can be connected with a wireless local area network by adopting wireless communication modes such as WIFI and MESH; after the ship is accessed to an external network, the network is distributed by a core exchange module, and the core exchange module is distributed to each corresponding module according to the communication content; the navigation control module is a control and distribution center of the ship, is mainly arranged in a cab and a captain room, can perform simple man-machine interaction with ship personnel, and can make control instructions to an external network module, an internal network module, a core exchange module, a parameter acquisition module and a safety management module according to the operation of the ship personnel so as to control the operation of ship equipment; the parameter acquisition module is used for transmitting an acquisition result to the navigation control module so as to enable a ship internal manager to judge the running condition of equipment in the ship, and the ship controller transmits corresponding instructions through equipment acquisition data of the parameter acquisition module; the safety management module can monitor the operation of the mobile terminal connected to the network module inside the ship or the navigation control module in real time, so that no safety risk is ensured, and the overall safety performance of the network system inside the ship is improved; in summary, in the above scheme, through the information distribution of the core exchange module, the environmental information acquisition of the parameter acquisition module, the feedback control of the navigation control module, the risk management and control of the safety management module, and the adoption of the optical fiber assembly, the high-speed transmission of the information is ensured, and the construction of a high-reliability and high-safety communication network system of the ship is realized.
Optionally, the core switching module includes a plurality of independent optical fiber switching units, and the plurality of optical fiber switching units are simultaneously connected with the external network module, the core switching module, the security management module, the parameter acquisition module and the navigation control module;
one of the optical fiber exchange units is in a real-time operation state.
By adopting the technical scheme, the optical fiber exchange units are adopted, one of the optical fiber exchange units is taken as the optical fiber exchange unit which mainly operates, the optical fiber exchange units are independent but have uniform wiring modes and are connected with the external network module, the core exchange module, the safety management module and the parameter acquisition module, so that when the optical fiber exchange unit which mainly operates in real time fails and can not operate continuously, the other optical fiber exchange units can be flexibly and directly connected into the whole ship network system, and the reliability of the network is further improved.
Optionally, the security management module comprises a log audit unit and a security monitoring unit;
The log audit unit is connected with the navigation control module, and is used for counting and recording operation records of ship operators in the navigation control module, and flexibly calling the operation records by the navigation control module;
the safety detection unit is connected with the navigation control module, the latest record data of the log audit unit are called in real time, the safety risk of each operation record is judged, and the judgment result is uploaded to the navigation control module.
By adopting the technical scheme, the safety management module mainly comprises the log audit unit and the safety detection unit, the operation record of the mobile terminal accessing the wireless network inside the company and the behavior record of the ship personnel through the navigation control module are used for carrying out safety monitoring, and the safety performance of the ship network is improved.
Optionally, the external network module includes an intelligent monitoring unit;
The intelligent monitoring unit is connected with monitoring camera equipment of key sites in the ship and transmits a monitoring picture to an external control center;
The intelligent monitoring unit is connected with the safety management module, the safety management module analyzes the monitoring picture of the intelligent monitoring unit in real time, performs face recognition, invokes personnel information in the picture, and sends the recognition result to the navigation control module;
the intelligent monitoring unit is connected with one of the optical fiber switching units.
By adopting the technical scheme, the intelligent monitoring unit can share the monitoring picture shot by any monitoring camera in the ship, through the connection with the safety management module, AI intelligent picture analysis is realized, people in the picture are identified by the safety management module through the face recognition technology, personnel information in the information base is taken in real time, the personnel information is synchronized with the monitoring picture, picture information after the synchronization of the identification result and the personnel information are sent to the navigation control module, meanwhile, intelligent identification judgment related to safety such as judgment of personnel operation area and access authority, helmet wearing judgment, reflective clothing wearing judgment and the like is carried out, other objects in the picture can be specifically analyzed through the cooperative operation of the intelligent monitoring unit and the safety management module except the face recognition, for example, the intelligent identification of other ships running in a crossing way in the ship shooting picture, the intelligent identification of oil leakage conditions in the ship interior and the ship cabin interior, and smoke, flame and the like appearing in the ship cabin interior; further, the navigation control module sends an instruction to the external network module, and a monitoring picture which is cooperatively analyzed and processed by the intelligent monitoring unit and the safety management module is sent to a monitoring database of a company to which the ship belongs through the external network module and is input in real time; it should be noted that in practical application, to save cost, the intelligent monitoring screen generally selects to call an important monitoring area.
Optionally, further comprising;
the comprehensive display control module grants the real-time login access permission to the ship personnel, builds an information intelligent integrated platform of the ship personnel, and logs in through the mobile terminal;
the comprehensive display control module is connected with the safety management module, counts and records single login information and operation records of ship personnel, and is flexibly called by the safety management module.
Through adopting above-mentioned technical scheme, synthesize and show accuse module for utilizing the intelligent information integration platform that communication network built inside the boats and ships, synthesize and show the environment condition that accuse module can show boats and ships place coordinate, boats and ships place region on the platform, can also show the storage information of goods storehouse, the real-time dispatch information of ship bank, in addition, it can also input the health management state of boats and ships personnel, personnel's operating condition every day, utilize the integrated line accuse module to build the life platform of personnel in the boats and ships promptly, and the personnel of input the boats and ships information base can log in information integration platform through account number password, greatly improve life convenience. It should be noted that in view of network security of a part of ocean vessels, operations performed during application of the mobile terminal login information integration platform by vessel personnel need to be monitored in real time by the security management module, and in view of protecting personal privacy, the security management module should only monitor operations during the mobile terminal login security management module.
Optionally, the external network module, the internal network module, the core switching module, the security management module, and the navigation control module are all provided with a firewall.
By adopting the technical scheme, each module is provided with a firewall so as to form a dedicated network area of each module in the network system, so that potential attackers are prevented from penetrating from one module to another module, the damaged range can be locked to the greatest extent when the potential attackers are attacked by the network, and the network security performance is improved; more importantly, when information is transmitted between each module, the protective wall can monitor and control the information flow between the two modules, and is helpful for preventing leakage of sensitive information.
Optionally, the external network module and the internal network module are both provided with monitoring nodes, and the monitoring nodes monitor network signal states of the external network module and the internal network module and flexibly switch network channels according to requirements.
By adopting the technical scheme, the monitoring nodes of the external network module and the internal network module can monitor the network signals of the external network module and the internal network module respectively, the external network module comprises a plurality of external network communication channels such as Chinese satellite communication, star links, 4/5G antennas and private network communication, and the monitoring nodes can monitor the network signal conditions of the communication channels of the external network module, so that the network system of the ship can preferentially select the communication channels with better network conditions; and the internal network module is provided with a plurality of WIFI and MESH, and the monitoring node is used for flexibly replacing the ship internal network router with a good signal state.
Optionally, the navigation control module includes a plurality of expansion switching units;
the plurality of expansion switching units are connected with the optical fiber switching units through optical fibers.
By adopting the technical scheme, considering that more terminal equipment and stations are in the navigation control module, such as a cab IAS monitoring station, a wheel owner IAS monitoring station and a plurality of local IAS monitoring stations, all equipment and station connection cannot be met only by the optical fiber exchange unit in the core exchange module, and therefore an expansion exchange unit aiming at subordinate equipment of the module is additionally arranged in the navigation control module and used as expansion of the optical fiber exchange unit.
In summary, the application at least comprises any one of the following beneficial effects:
The parameter acquisition module acquires relevant information of personnel, equipment and objects in the ship and environmental information in a navigation area of the ship to the navigation control module, and the navigation control module predicts the navigation environmental change, so that professionals in the ship can know in time and take countermeasures;
the ship is provided with a plurality of external network communication channels, and monitoring nodes are arranged to monitor network signals of each communication channel, so that the ship can be flexibly replaced when the signals of the network communication channels are not smooth, and external communication of the ship is ensured;
The core switching module is provided with a plurality of identical optical fiber switching units, the ports of the optical fiber switching units are identical in connection, one optical fiber switching unit is used as a common unit, the other optical fiber switching units are used as standby units, and when the common unit fails, the optical fiber switching units can be flexibly switched, so that the stable operation of the whole ship network system is ensured;
and fire walls are arranged among the modules to form sealed areas of the modules, and when the whole ship network system is subjected to risk attack, the protective walls can prevent penetration among the modules and reduce the fault area to the minimum.
The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.
Drawings
FIG. 1 is a system overall logic block diagram of an embodiment of the present application.
Reference numerals illustrate: 1. an external network module; 11. a network monitoring unit; 2. an internal network module; 3. a core switching module; 31. a core switch; 4. a security management module; 41. a log auditing unit; 42. a safety monitoring unit; 5. a parameter acquisition module; 6. a navigation control module; 61. a capacity expansion exchanger; 7. a comprehensive display control module; 8. a firewall; 9. and the optical fiber switch.
Detailed Description
The embodiment of the application discloses a full-ship network system of a digital ship. Referring to fig. 1, a full-ship network system of a digital ship comprises an external network module 1, an internal network module 2, a core exchange module 3, a safety management module 4, a parameter acquisition module 5, a navigation control module 6 and a comprehensive display control module 7, wherein in the embodiment, an information transmission channel between all the modules is built by adopting an optical fiber, compared with a traditional gigabit network cable or a hundred mega network cable building scheme, the optical fiber has higher information transmission speed which can reach tens of Gbps, and the transmission bandwidth of the optical fiber is far more than that of the traditional network cable, so that more data and instructions can be simultaneously transmitted, and therefore, for a modern digital ship, the optical fiber can meet the simultaneous transmission and immediate effectiveness of the instructions and the data under most conditions.
Referring to fig. 1, a core exchange module 3 is a core part of a full-ship network system in the present embodiment, the core exchange module 3 includes a plurality of core switches 31, in the present embodiment, the core switches 31 all adopt conventional optical fiber switches 9, and the plurality of core switches 31 are all directly connected with an external network module 1, an internal network module 2, a security management module 4, a comprehensive display control module 7 and a navigation control module 6, so as to allocate a dedicated and rapid information transmission channel for the security management module 4, the comprehensive display control module 7 and the navigation control module 6 inside a ship; among the plurality of identical core switches 31, one core switch 31 is in a normally-open operation state, and the other core switch 31 is in a hot standby state; accordingly, in this embodiment, the network system inside the ship adopts a customized communication protocol, so that in the normal running state of the network system, the core switch 31 in the hot standby state maintains connection with the plurality of modules but does not participate in the distribution of the information transmission channels, and when the core switch 31 in the running state fails, the core switch 31 in the hot standby state can immediately cut into the network system, thereby realizing uninterrupted self-healing of the network system inside the ship.
For ease of description and simplicity of the drawing, the core switches 31 are shown as two but are not limited to two. Meanwhile, for convenience of observation, the wiring of the two core switches 31 in the drawing is in different colors.
Referring to fig. 1, an external network module 1 is used for satellite communication between a ship and the outside, in this embodiment, the external network module 1 includes a plurality of communication channels, specifically includes a conventional 4/5G base station antenna, a SpaceX-based satellite link communication service, VAST satellite communication, chinese satellite communication, private network communication with a company to which a land ship belongs, and the like, and by providing the above-mentioned plurality of communication channels, network services such as satellite positioning, land communication, signal transmission, and the like during ocean navigation of the ship are ensured; the external network module 1 further comprises a network monitoring unit 11, wherein the network monitoring unit 11 is used as a monitoring node in the external network module 1, is connected with each communication channel, monitors the network signal state of each network communication channel in real time, and preferentially selects a communication channel with stronger network signal as a main external networking channel of the ship; in this embodiment, the vessel defaults and preferably selects 4/5G antenna communications.
Referring to fig. 1, the external network module 1 further includes an optical fiber switch 9, where the optical fiber switch 9 is connected to a core switch 31 in an operating state in the core switch module 3, and is connected to only the core switch 31, and the optical fiber switch 9 in the external network module 1 is connected to a picture storage server of a monitoring device in a ship, that is, the optical fiber switch 9 is connected to a hard disk video recorder of a monitoring camera in the ship, so that a monitoring picture of an important area in the ship can be output from the hard disk video recorder, and the monitoring picture stored in the hard disk video recorder is sequentially transmitted to a server of a management company to which the ship belongs in an information flow form through the optical fiber switch 9, the core switch 31 and a network communication channel in the module, and a manager on land can call an internal monitoring picture of the ocean navigation ship in real time.
Referring to fig. 1, in order to secure a ship network system and transmission data, an external potential network risk is isolated, and a firewall 8 is provided for each network communication channel corresponding to an external network module 1, so that external threat of the whole network system is reduced; in addition, a firewall 8 is arranged between the optical fiber switch 9 and the core switch 31 in the external network module 1, so that the whole ship network system is isolated from the monitoring server of the ship, and when the whole ship network system suffers from network attack, the firewall 8 isolates the monitoring server from the whole ship network, so that the monitoring server can be prevented from being attacked by the network.
Referring to fig. 1, an internal network module 2 is used for communication between devices inside a ship and network login of ship personnel; the internal network module 2 comprises a plurality of MESH modules and a plurality of WiFi modules, and is used for wireless local area interconnection between the mobile terminal of personnel in the ship and the internal equipment of the ship, the internal network module 2 further comprises an optical fiber switch 9 connected with the MESH modules and the WiFi modules, the optical fiber switch 9 in the internal network module 2 is connected with the internal network modules, and meanwhile, the optical fiber switch 9 in the internal network module 2 is connected with the external network module 1 through a core switch 31 in the core switch module 3 to switch the external communication network, thereby the internal personnel can communicate with each other
Accordingly, when there are many shipping personnel, the fiber optic switch 9 is collocated with an AC controller to facilitate management of the wireless access points.
Referring to fig. 1, a firewall 8 is provided between a fabric switch 9 of an internal network module 2 and a core switch 31 of a core switch module to block the internal network module 2 from the core switch module 3, so that the internal network module 2 has a network area sealed independently.
Referring to fig. 1, considering the living demands of personnel in a ship, the situation statistics and personnel information management of the ship personnel are facilitated, and a special informationized intelligent platform, namely a comprehensive display control module 7, is often independently arranged on a digital ship; life services related to navigation channels and weather information of a ship are shown on the informationized intelligent platform, working information such as ship warehouse monitoring, cargo information, ship bank scheduling and the like are shown, health services such as personnel health management, health information input and the like are shown, and personnel in the ship can log in the informationized intelligent platform APP through the internal network module 2 of the mobile terminal connected with the ship, so that the user can enjoy convenient work and life; thus, the integrated display control module 7 includes a plurality of servers and fiber switches 9 of corresponding dispatch server nodes, and the fiber switches 9 of the integrated display control module 7 are connected with the core switches 31 in the core switch module 3.
Referring to fig. 1, the above-mentioned integrated display control module 7 provides an informationized platform in which ship information, ship azimuth and ship personnel information are recorded, so that, in order to protect privacy security of ship information and improve reliability and security of a whole ship network system, personnel authority, operation records and instructions of personnel logging in the informationized platform need to be correspondingly monitored for behavior security, when an operation behavior with security risk is found, the security management module 4 sends out alarm information to prompt that a ship manager has suspicious network security threat behavior; the safety management module 4 comprises a log auditing unit 41 and a safety monitoring unit 42, wherein the log auditing unit 41 records the operation record and the operation content of equipment in the whole ship network system, and the operation record and the operation content of personnel logging in the informatization platform, so that ship management personnel can call in real time; the security monitoring unit 42 is capable of performing security risk detection on the operation record and the operation content recorded by the log auditing unit 41, and monitoring ongoing personnel operations in real time; the log audit unit 41 and the safety monitoring unit 42 are both connected with the core switch 31 in the core switch module 3, and the core switch 31 provides a channel for transmitting information and instructions from the safety management module 4 to the integrated display control module 7 and the internal equipment of the ship, which is a basic requirement for the operation of the safety management module 4.
Referring to fig. 1, a navigation control module 6 is a main control module of a whole ship network system in the present embodiment, actual equipment is installed in a captain room and a cab, the navigation control module 6 is connected with a core exchange module 3, the core exchange module 3 establishes a navigation control module 6 and a safety management module 4, a comprehensive display control module 7, an instruction sending channel and an information feedback channel of an external network module 1 and an internal network module 2, in a digital ship, the external equipment of the navigation control module 6 can perform man-machine interaction, a ship manager sends a call instruction to the safety management module 4 through the navigation control module 6 so as to call safety monitoring content and safety evaluation analysis of the safety management module 4 in real time, so that the ship manager can know in time, and can also send a network switching instruction to the external network module 1 and the internal network module 2 according to network signal condition analysis by a network monitoring unit 11, and switch to a network communication channel with a better signal state; in this embodiment, the navigation control module 6 includes a cab IAS monitoring station, a wheel length IAS monitoring station, and a plurality of local IAS monitoring stations; the cab IAS monitoring station is used as navigation assisting equipment and can display accurate ship position, heading, speed and other navigation-related information of the ship in real time, and the wheel length IAS monitoring station can display surrounding environmental information of the ship, including weather, air temperature, wind speed, wind direction and other environmental information which is more relevant to the life of the ship in the navigation area of the ship; the local IAS monitoring station can display the operation information of all equipment in the ship in real time, such as energy equipment, power equipment, network equipment and the like, and can be correspondingly added to ensure that all the equipment is in a monitoring range under the condition of more ship equipment.
Referring to fig. 1, considering that the number of devices in the navigation control module 6 is large, in order to ensure the normal transceiving of information and instructions, the navigation control module 6 includes a plurality of capacity expansion switches 61, as capacity expansion extensions of the core switch 31, the plurality of devices inside the navigation control module 6 are uniformly connected to the capacity expansion switches 61 in the navigation control module 6, and then connected to the core switch 31 of the core switch module 3 by the capacity expansion switches 61.
Referring to fig. 1, a parameter acquisition module 5 is used for acquiring equipment operation parameters in a ship, such as the operation power of a ship power system, the temperature of a ship air conditioning system and the accompanying vibration frequency of the equipment in the ship during operation, so as to monitor the operation condition of each equipment in the ship; the parameter acquisition module 5 is connected with the expansion exchanger 61 in the navigation control module 6, the acquisition information is transmitted to the cab IAS monitoring station and the wheel length IAS monitoring station in the navigation control module 6 through the expansion exchanger 61, the captain and the wheel length can know the running condition of equipment in time, and a ship manager gives corresponding instructions to control the running of all the equipment in the ship according to the running parameters of the equipment displayed in the navigation control module 6.
Referring to fig. 1, a firewall 8 is disposed in the core switch module 3 corresponding to each core switch 31, and the firewall 8 is disposed between the core switch 31 and the safety management module 4, the navigation control module 6, and the integrated display control module 7, so that the core switch module 3 is blocked from the safety management module 4, the navigation control module 6, and the integrated display control module 7 to form respective closed safety network areas.
The implementation principle of the whole ship network system of the digital ship provided by the embodiment of the application is as follows: the ship manager receives and transmits instructions through the navigation control module 6 capable of performing man-machine interaction.
The ship manager intuitively knows the network monitoring data uploaded by the network monitoring unit 11 through the navigation control module 6 and controls to switch or automatically switch the communication channel with better network signal.
Personnel inside the ship are connected with a wireless local area network in the internal network module 2 through a mobile terminal, can access to the internet for entertainment through the wireless local area network and log in an information platform APP inside the ship, but from the perspective of network security, after the ship personnel log in the information platform, the security management module 4 can monitor operation records of the ship personnel, evaluate the security and feed back an analysis result of the security to the navigation control module 6, so that when a security network attack behavior occurs or when the behavior of the ship personnel occurs, the ship personnel can instantly know through the navigation control module 6 and make corresponding security instructions.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. A whole ship network system of a digital ship, characterized in that: the system comprises an external network module (1), an internal network module (2), a core switching module (3), a security management module (4), a parameter acquisition module (5) and a navigation control module (6);
the external network module (1), the core exchange module (3), the safety management module (4), the parameter acquisition module (5) and the navigation control module (6) are connected by adopting optical fibers;
The external network module (1) provides a satellite communication channel and a private network communication channel, tracks and positions navigation coordinates of the ship, and builds a connection channel between the ship and the outside;
The internal network module (2) is independent of the external network module (1), and the internal network module (2) provides a rapid communication channel between ship internal devices;
the core exchange module (3) receives the instruction of the navigation control module (6) and distributes the receiving and transmitting information of the external network module (1) and the internal network module (2) to the safety management module (4), the parameter acquisition module (5) and the navigation control module (6) according to categories;
The safety management module (4) is used for monitoring the system operation of personnel in the ship, judging and recording the safety of the instruction, and sending the recorded content to the navigation control module (6);
The parameter acquisition module (5) receives the instruction of the navigation control module (6), acquires the operation parameters of equipment inside the ship, and feeds back acquired information to the navigation control module (6);
The navigation control module (6) performs man-machine interaction with personnel in the ship, and according to feedback information of the parameter acquisition module (5), equipment information transmitted by the internal network module (2) and communication command of the external network module (1), the navigation control module (6) receives safety information feedback of the safety management module (4) in real time.
2. A whole ship network system of a digital ship according to claim 1, characterized in that: the core switching module (3) comprises a plurality of independent optical fiber switching units, and the optical fiber switching units are simultaneously connected with the external network module (1), the core switching module (3), the safety management module (4), the parameter acquisition module (5) and the navigation control module (6);
one of the optical fiber exchange units is in a real-time operation state.
3. A whole ship network system of a digital ship according to claim 1, characterized in that: the security management module (4) comprises a log auditing unit (41) and a security monitoring unit (42);
The log audit unit (41) is connected with the navigation control module (6) and is used for statistically recording operation records of ship operators in the navigation control module (6) and flexibly calling the operation records by the navigation control module (6);
The safety monitoring unit (42) is connected with the navigation control module (6), the latest record data of the log auditing unit (41) are called in real time, the safety risk of each operation record is judged, and the judgment result is uploaded to the navigation control module (6).
4. A whole ship network system of a digital ship according to claim 2, characterized in that: the external network module (1) comprises an intelligent monitoring unit;
The intelligent monitoring unit is connected with monitoring camera equipment of key sites in the ship and transmits a monitoring picture to an external control center;
The intelligent monitoring unit is connected with the safety management module (4), the safety management module (4) analyzes the monitoring picture of the intelligent monitoring unit in real time, performs face recognition, invokes personnel information in the picture, and sends the recognition result to the navigation control module (6);
the intelligent monitoring unit is connected with one of the optical fiber switching units.
5. A whole ship network system of a digital ship according to claim 1, characterized in that: also comprises;
The comprehensive display control module (7) is used for granting the real-time login access permission to the ship personnel, building an information intelligent integrated platform of the ship personnel, and logging in the ship personnel through the mobile terminal;
The comprehensive display control module (7) is connected with the safety management module (4), and is used for counting and recording single login information and operation records of ship personnel, and the single login information and the operation records are flexibly called by the safety management module (4).
6. A whole ship network system of a digital ship according to claim 1, characterized in that: the external network module (1), the internal network module (2), the core switching module (3), the security management module (4) and the navigation control module (6) are all equipped with a firewall (8).
7. A whole ship network system of a digital ship according to claim 1, characterized in that: the external network module (1) and the internal network module (2) are both provided with monitoring nodes, and the monitoring nodes monitor network signal states of the external network module (1) and the internal network module (2) and flexibly switch network channels according to requirements.
8. A whole ship network system of a digital ship according to claim 2, characterized in that: the navigation control module (6) comprises a plurality of expansion exchange units;
the plurality of expansion switching units are connected with the optical fiber switching units through optical fibers.
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