CN114938326A - High-reliability information service equipment for ships and warships and information service method - Google Patents

Abstract

The invention provides high-reliability information service equipment for ships, which aims at the technical requirements and characteristics of the ships, realizes the function of centralized control of information by integrating comprehensive information processing, centralized monitoring, interface switching and fault positioning, and solves the problems of different informatization degrees, relative independence, difficulty in centralized control of information, lack of information service and publishing platforms and the like of various systems of the conventional ships. The invention adopts the measures of water cooling, redundancy design and the like to ensure the noise reduction, low power consumption and long-term stable operation of the whole set of system, and has the advantage of low noise; the invention has abundant conversion interfaces, and solves the problems that the existing various ship interfaces are not matched with each other, the interface protocols are inconsistent, and cross-system information transmission is difficult to realize and the like. The invention has high reliable information interaction capability, real-time monitoring and fault positioning capability, and solves the problems of difficulty in centralized real-time state monitoring, difficulty in accurately positioning a source head due to communication interruption and the like in a large amount of information interaction application scenes.

Description

High-reliability information service equipment and information service method for ships

technical field

The invention belongs to the technical field of ship electronics and information, and particularly relates to a highly reliable information service device and an information service method for ships.

Background technique

Due to the performance requirements of ships, the reliability, noise indicators and localization requirements of various types of equipment are becoming more and more stringent in the design. With the continuous improvement of the level of ship informatization, in order to meet the effective implementation of the entire ship's information interaction, a variety of information transmission channels such as dedicated buses and networks have been designed in the large system or the whole ship to ensure a large amount of data transmission. However, the informatization degree of each system of the ship is different, the demand for information is very different, and it has a certain independence. It needs a highly reliable equipment to process process data, centrally manage and control information, and provide a platform for information service and release. .

Combined with the engineering characteristics of today's ship field, in the process of upgrading each system, there are still a large number of equipments that use the previous prototypes for design, or use a variety of different data transmission forms according to their own functional characteristics, including Ethernet transmission, CAN Bus transmission, FC bus transmission, etc., that is, it is difficult to carry out a unified design of the interface type for the whole ship, so it is necessary to realize the conversion between interfaces without affecting the technical status of related equipment. Due to the lack of real-time monitoring of the status of various information exchange equipment on the ship, once the communication is interrupted, it is difficult to accurately locate the source of the problem, which is not conducive to timely maintenance.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a highly reliable information service device and an information service method for ships, which are used for centralized management and control of information.

The technical solution adopted by the present invention to solve the above technical problems is as follows: a high-reliability information service equipment for ships, including a main cabinet and an expansion interface box, for receiving state information including navigation status, equipment operation status, and cabin environment , receive remote control instructions and forward them to the local control device or executive agency, or directly issue control commands to the local control device or executive agency; it is also used to analyze information transmission step by step, and to determine whether the link is on or off, so as to locate the source of the fault ; The main cabinet includes an interface conversion unit, a human-computer interaction module, at least two main control modules and at least two switching modules; the interface conversion unit is respectively connected with the two switching modules through Gigabit Ethernet; Gigabit Ethernet is connected to each switching module to ensure the reliability of the communication link; the two network ports of the main control module are set to load balancing binding mode to provide two mutually backup information sending and receiving working links ; Directly connected Gigabit Ethernet is used to establish a heartbeat link between the two main control modules for real-time hot standby switching; the two main control modules are connected to the human-computer interaction module through interfaces including VGA and USB; The interactive module is used to display the fault link, comprehensive information, and control the interface; the interface conversion unit includes FC port, CAN port, hard-wired interface and various interfaces connected to the expansion interface box, which are used to convert and transmit cross-cabin, cross- A variety of marine information interfaces in the system scenario perform interface conversion and information exchange with typical marine interface equipment; the interface conversion unit is connected to the expansion interface box through dual redundant FC ports; the main control module and the signal processing module respectively include an integrated information service module; The comprehensive information service module includes a data storage and forwarding module, a protocol configuration module, a real-time data monitoring module, a user rights management module, a data query module, and a data management module. Fault location of the source interface; interface conversion unit includes CAN interface card, FC interface card, IO interface card and signal processing card; Interface conversion between FC port, Ethernet and hard wiring; the expansion interface box is wall-mounted; the expansion interface box includes a signal processing module, an Ethernet interface card, at least two control cards for hot backup, at least two DC 24V power supply line; dual redundant FC ports are used for communication between expansion interface boxes.

According to the above solution, the main cabinet also includes a storage module and a power supply module; the storage module is connected to the main control module through the Ethernet, and is used to store information including navigation status, equipment operating status, health status, alarm information and operation logs; the storage module includes Database module, the database module adopts Dameng database; the power module is used to convert external power supply to supply power to each module; the power module includes UPS, which is used to ensure emergency use for a certain period of time in the case of power interruption.

According to the above scheme, the main control module further includes an operating system module; the operating system module adopts the winning Kylin operating system and corresponding drivers.

According to the above scheme, the main cabinet body also includes a cabinet, which is processed and cast by the aluminum casting process; the cabinet is provided with guide rails for the drawer-type cabinet to install the modules in the cabinet.

Further, it also includes water cooling equipment; the water inlet main line interface and the return water main line interface of the water cooling equipment are arranged on the top of the cabinet and are connected with the water cooling pipeline of the whole ship; the water supply pipeline of the cabinet is perpendicular to the top and bottom of the cabinet, and is The upper and lower surfaces of the modules in the cabinet adopt channel-type water cooling to dissipate heat, so that the cooling water can take the heat away from the surface of the equipment through the main pipeline and reduce the surface temperature of the equipment.

An information service method for high-reliability information service equipment for ships, comprising the following steps:

S0: Build high-reliability information service equipment for ships, including a main cabinet and an expansion interface box; the main cabinet includes an interface conversion unit, a human-computer interaction module, at least two main control modules and at least two switching modules; an interface conversion unit It is connected with two switching modules respectively through Gigabit Ethernet; each main control module is connected with each switching module through Gigabit Ethernet respectively; the two network ports of the main control module are set to load balancing binding mode; A heartbeat link is established between the control modules by directly connecting Gigabit Ethernet; the two main control modules are connected to the human-computer interaction module through interfaces including VGA and USB; the interface conversion unit includes FC port, CAN port, hard-wired interface and expansion Various interfaces connected to the interface box; the interface conversion unit is connected to the expansion interface box through the dual redundant FC ports; the main control module and the signal processing module respectively include an integrated information service module; the integrated information service module includes a data storage and forwarding module, a protocol configuration module , real-time data monitoring module, user authority management module, data query module, data management module; the interface conversion unit includes CAN interface card, FC interface card, IO interface card and signal processing card; the interface card is connected to the signal processing through the PCIE port and the USB port The expansion interface box adopts wall-mounted installation; the expansion interface box includes a signal processing module, an Ethernet interface card, at least two control cards for hot backup, and at least two DC 24V power supply lines; the expansion interface box adopts double redundant Communication through the FC port;

S1: The external device sends status information to the ship's high-reliability information service equipment;

S2: The high-reliability information service equipment for ships parses the information, judges the on-off status of the link and displays the results;

S3: When a fault occurs, the operator checks the interrupted physical link and the expansion interface box that has not received data through the human-computer interaction module, and determines the source device of the fault.

Further, in the step S1, if the external equipment is in the cabin area where the main cabinet is located, the external equipment sends the status information to the main cabinet; the interface conversion unit converts the communication protocol other than the Ethernet into the Ethernet communication protocol, It is sent to the main control module through the exchange module, and the status information is presented in the human-computer interaction module after the main control module parses it.

Further, in the step S1, if the external device is located in the cabin area outside the main cabinet, the external device will send the navigation status information including the latitude, longitude and heading to the closest expansion interface box; The Ethernet, hard-wired, and CAN protocols are encapsulated into FC data frames according to the FC protocol format, and transmitted between the extended interface boxes across the cabin through the FC bus until they are sent to the main cabinet; the status information is transmitted in the main cabinet through the interface conversion unit, The exchange module and the human-computer interaction module perform protocol conversion and analysis respectively, and finally display the navigation information in the human-computer interaction module.

Further, it also includes the following steps: the main control module of the main cabinet issues a control instruction to the actuator through the exchange module, the interface conversion unit, and the expansion interface box, and the actuator responds to the instruction and performs actions.

A computer storage medium in which a computer program executable by a computer processor is stored, the computer program executing an information service method.

The beneficial effects of the present invention are:

1. A high-reliability information service equipment and information service method for ships of the present invention, aiming at the technical requirements and characteristics of ships, realizes centralized information processing by integrating comprehensive information processing, centralized monitoring, interface transfer and fault location. The function of management and control solves the problems of different degrees of informatization of various systems of existing ships, relative independence, difficulty in centralized information management and control, and lack of information services and publishing platforms.

2. The present invention adopts measures such as water cooling and redundant design to ensure noise reduction, low power consumption, and long-term stable operation of the entire system, and has the advantage of low noise.

3. The present invention has abundant conversion interfaces, and solves the problems of incompatibility of various existing marine interfaces, inconsistent interface protocols, and difficulty in realizing cross-system information transmission.

4. The present invention has highly reliable information exchange capability, real-time monitoring, and fault location capabilities, and solves the problems of difficulty in centralized real-time state monitoring, and difficulty in accurately locating the source of communication interruption in the application scenario of a large amount of information interaction.

5. The present invention also realizes the localization of basic software.

Description of drawings

FIG. 1 is a front view of a main cabinet according to an embodiment of the present invention.

FIG. 2 is a side view of the main cabinet according to the embodiment of the present invention.

FIG. 3 is a front view of an expansion interface box according to an embodiment of the present invention.

FIG. 4 is a side view of an expansion interface box according to an embodiment of the present invention.

FIG. 5 is a wiring diagram of an embodiment of the present invention.

FIG. 6 is a schematic diagram of an information flow according to an embodiment of the present invention.

Detailed ways

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Referring to FIG. 1, an embodiment of the present invention includes a main cabinet, equipment in the cabinet, and an expansion interface box; the equipment in the cabinet includes a water-cooled combined cabinet, a main control module (dual redundancy), a switching module (dual redundancy), and an interface conversion unit. , Human-computer interaction module, power supply module; the software part includes Dameng database, comprehensive information service software, winning Kylin operating system and corresponding drivers.

(1) The main cabinet integrated design is adopted, and the main control module, storage module, switching module, interface conversion unit, human-computer interaction module and other functional modules are integrated into a small cabinet.

The main cabinet is processed and cast by the casting aluminum process. The inside of the cabinet is installed with guide rails. Except for the human-computer interaction module, the equipment in the cabinet is equipped with installation guide rails on both sides, which are all installed in a drawer type cabinet. The human-computer interaction module is in the cabinet. Fixed installation.

Each main control module in the main cabinet is connected to two redundant switching modules through Gigabit Ethernet. The main control module sets the two network ports in load balancing binding mode, combined with the redundant mutual backup running on the main control module. The software provides two mutually backup information sending and receiving working links for the whole set of equipment; the storage module is connected with two redundant main control modules through Gigabit Ethernet; the two redundant main control modules are directly connected by Gigabit Ethernet The network establishes a heartbeat link; the two redundant main control modules are connected to the human-computer interaction module through VGA and USB interfaces; both redundant main control modules deploy comprehensive information service software to collect and publish information.

The comprehensive information service software is divided into 6 functional modules, including data storage and forwarding, protocol configuration, real-time data monitoring, user rights management, data query, and data management, to realize the whole process functions of information collection, analysis, display, management, query, and release. .

(2) Configure the interface conversion unit and expansion interface box to realize the conversion and transmission of various marine information interfaces in cross-cabin and cross-system scenarios, which can be connected with typical marine interface devices (FC, CAN, Ethernet, hard-wired, etc.) Interface conversion and information exchange.

The interface conversion unit is configured in the main cabinet to realize interface conversion between Ethernet interface and FC interface/CAN interface/hard wiring; the interface conversion module is connected with two redundant switching modules through 2-way Gigabit Ethernet; the interface conversion module has built-in CAN interface Card, FC interface card, IO interface card, signal processing card, the interface card is connected with the signal processing card through the PCIE interface and the USB interface to realize the interface conversion between Ethernet and CAN, Ethernet and FC, Ethernet and hard wiring; It is connected to the wall-mounted expansion interface box configured in each cabin through the redundant FC bus.

The expansion interface box is wall-mounted. On the basis of the board configuration of the interface conversion module, 2 sets of control cards (hot standby) and 1 set of Ethernet interface cards are added; there are 2 DC 24V power supply lines outside the box, one for use and the other for use. The dual redundant FC bus is used for communication between the expansion interface boxes.

(3) The main cabinet and the expansion interface box analyze the information transmission step by step, judge whether the link is on or off, and accurately locate the source of the fault in combination with the human-computer interaction module.

The main control module of the main cabinet and the signal processing module of the expansion interface box all run the integrated information service software, and access to various status information sent by the external equipment of the information service equipment, through the external Ethernet interface of the main cabinet, the main cabinet The external FC, CAN, hard-wired interfaces of the body interface conversion module, and various interfaces connected to the expansion interface box, receive and transmit, and finally the integrated information service software runs on the main cabinet main control module to receive the Ethernet protocol. Perform data analysis, realize comprehensive information display in the human-computer interaction module, and realize fault location of the source interface.

(4) The noise of the equipment is greatly reduced by the combination of water cooling and natural heat dissipation; the redundancy mechanism ensures the high reliability of the working link; the power module is equipped with UPS to provide emergency use scenarios.

The main cabinet is connected to the water cooling system of the whole ship. The upper and lower surfaces of the main control module and storage module are all cooled by channel-type water cooling. The rest of the modules use natural heat dissipation, which greatly reduces the noise of the equipment. Backup configuration, when one switch module fails, it can automatically switch to another switch module to ensure the reliability of the communication link. The two main control modules adopt redundant hot backup. When one main control module fails, the redundant The backup software performs real-time hot backup switching through trigger conditions such as the heartbeat line, the running status of the monitored storage module, and the running status of the integrated information service software, and the switching delay is low; the power module includes a UPS, which can be Ensure emergency use for a certain period of time; the entire set of redundancy mechanism and power supply mechanism can ensure long-term stable operation of the information service equipment.

The two main control modules are equipped with a domestic operating system (the winning Kylin operating system), and the storage module is equipped with a domestic relational database (Dameng database).

(1) The ship's high-reliability information service equipment adopts the design form of cabinet plus expansion interface box through integrated optimization design, integrating computing, storage, network exchange, interface conversion, human-computer interaction, information transmission and other functions into one , which provides a unified information service and public platform for ship application scenarios.

First, monitoring and control software can be deployed to receive status information such as navigation status, equipment operating status, and cabin environment, receive remote control commands and forward them to local control equipment or actuators such as pumps, valves, and control boxes. Control commands can be issued directly to pumps, valves, control boxes, etc. through this service device;

Second, it can provide abundant computing resources, deploy application software that requires large computing power such as signal processing and comprehensive situation assessment, and feed back the calculation results to the user in real time after receiving the task;

The third is to provide large-capacity storage resources, as the storage center of the whole ship, to record the navigation status, equipment operation status and health status, alarm information, operation logs, etc.

(2) By configuring the interface conversion unit and the expansion interface box, a convenient protocol conversion service is provided for a variety of different interface devices across cabins and systems to realize information transmission;

(3) Through the hierarchical analysis and protocol forwarding across cabins, the data on-off status of each link can be accurately grasped, the faulty link can be displayed in the human-computer interaction module, and the fault source interface can be located, which greatly shortens the time to trace the faulty equipment. ;

(4) The form of water cooling and natural heat dissipation can greatly reduce the noise of the equipment, and it is suitable for the special environment of ship vibration and noise reduction; the main control module and the exchange module adopt the redundant mutual backup mode, which improves the reliability of the equipment; the basic software The localization rate is 100%.

As shown in Figures 1 and 2, the high-reliability information service equipment for this ship consists of a main cabinet (1 set) and an expansion interface box (configured on demand). The main cabinet includes a human-computer interaction module, a main 2 control modules, 2 switching modules, 1 interface conversion unit, and 1 power supply module. The main cabinet is connected to the base in the ship cabin by a floor-mounted and back-supported installation form, and the expansion interface box is wall-mounted as required in each cabin. The external interfaces of the main cabinet are arranged on the top of the cabinet in the form of aerial plug connectors. Two DN10 water inlet/return main pipeline interfaces are also arranged on the top of the cabinet and connected to the whole ship's water cooling pipeline. The water supply pipeline in the main cabinet is arranged vertically and at the bottom, and the branch pipe of DN5 is connected to the main control module and the exchange module. The cooling water passes through the main pipeline of the cabinet through the surface flow channel of the equipment to take away the heat and reduce the surface temperature of the equipment.

As shown in Figure 3, the main cabinet needs to provide 2 channels of redundant 220V/50Hz AC power externally. After filtering and power conversion by the power module, the 220V/50Hz AC power is separated for the main control module, the exchange module, the human-computer interaction module, and the storage module. Module power supply, separate 24V DC to supply power for the interface conversion module. The cabin where the expansion interface box configured on demand for each cabin is located provides 24V DC power. Gigabit Ethernet is used for information transmission among the main control module, switching module, interface conversion module and storage module. The human-computer interaction module is connected with the main control module through VGA and USB to realize interface display and control functions. The interface conversion module and the expansion interface box and the expansion interface box are connected by dual redundant FC bus. The main cabinet and the expansion interface box have various interface connection forms such as FC, CAN, Ethernet, and hard wiring. The comprehensive information service software, redundant mutual backup software, and operating system all run on the main control module, and the database runs on the storage module.

As shown in Figure 4, most of the ship's electromechanical control equipment is in the form of CAN and hard wiring, and most of the information equipment is in the form of Ethernet and FC interfaces. The main cabinet and expansion interface box have a variety of external interface forms, which basically cover the whole Information interaction requirements of typical equipment of ships.

If the external equipment is located in the cabin area where the main cabinet is located, it can be directly connected to the top of the main cabinet to send the status information to the main cabinet. It is sent to the main control module, and after analysis, the status information is presented in the human-computer interaction module.

If the external equipment is located in the cabin area other than the main cabinet, take the navigation equipment as an example, it can be connected to the nearby expansion interface box, and the navigation status information such as latitude, longitude and heading can be sent to the expansion interface box. After the expansion interface box receives it, the Ethernet The network, hard wiring and CAN protocols are encapsulated into FC data frames according to the FC protocol format, and transmitted between the expansion interface boxes across the cabin through the FC bus until they are sent to the main cabinet, through the interface conversion unit, exchange modules, HMI The interaction module performs protocol conversion and analysis respectively, and finally displays the navigation information in the human-computer interaction module of the main cabinet.

The execution structures such as pumps and valves can be directly or indirectly connected to the expansion interface box, and control instructions are issued through the control software embedded in the main control module of the main cabinet. The interface box is sent to the actuator, and the actuator responds to the command and executes the action.

Dual redundant FC buses are used between the expansion interface boxes and the main cabinet. The possibility of link interruption between the expansion interface boxes and between the expansion interface boxes and the main cabinet is extremely low. Since the main cabinet and each expansion interface box will perform protocol analysis and link on-off status judgment, the on-off status of links at all levels and whether data is received can be fully displayed in the human-computer interaction module of the main cabinet. When a fault occurs, the physical link of the link interruption and the expansion interface box that has not received data can be viewed through the link status management interface of the integrated information service software, so as to accurately determine the source device of the fault.

The above embodiments are only used to illustrate the design ideas and features of the present invention, and the purpose is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes or modifications made according to the principles and design ideas disclosed in the present invention fall within the protection scope of the present invention.

Claims (10)

1. A high-reliability information service device for ships, characterized in that: it comprises a main cabinet and an expansion interface box, and is used for receiving state information including navigation status, equipment operating status, and cabin environment, receiving remote control instructions and forwarding them Issue control instructions to the local control device or executive agency, or directly to the local control device or executive agency; it is also used to analyze the information transmission step by step, and to determine whether the link is on or off, so as to locate the source of the fault; The main cabinet includes an interface conversion unit, a human-computer interaction module, at least two main control modules and at least two switching modules; the interface conversion unit is respectively connected with the two switching modules through Gigabit Ethernet; The mega Ethernet is connected to each switching module to ensure the reliability of the communication link; the two network ports of the main control module are set to the load balancing binding mode, which is used to provide two mutually backup information sending and receiving working links; A heartbeat link is established between the two main control modules by directly connecting Gigabit Ethernet for real-time hot standby switching; the two main control modules are connected to the human-computer interaction module through interfaces including VGA and USB; human-computer interaction The module is used to display the faulty link, comprehensive information, and control the interface; The interface conversion unit includes FC port, CAN port, hard-wired interface and various interfaces connected to the expansion interface box. It is used to convert and transmit a variety of marine information interfaces in cross-cabin and cross-system scenarios, and interface with typical marine interface equipment. Conversion and information exchange; the interface conversion unit is connected to the expansion interface box through dual redundant FC ports; the main control module and the signal processing module respectively include a comprehensive information service module; the comprehensive information service module includes a data storage and forwarding module, a protocol configuration module, and a real-time data monitoring module. module, user authority management module, data query module, and data management module, which are used to collect, parse, manage, query and publish the status information of external devices, and realize the fault location of the source interface; The interface conversion unit includes CAN interface card, FC interface card, IO interface card and signal processing card; the interface card is connected to the signal processing card through PCIE port and USB port, which is used to realize Ethernet and CAN port, Ethernet and FC port, Ethernet Interface conversion to and from hardwiring; The expansion interface box is wall-mounted; the expansion interface box includes a signal processing module, an Ethernet interface card, at least two control cards for hot backup, and at least two DC 24V power supply lines; dual redundant FC is used between the expansion interface boxes mouth communication. 2. A kind of high-reliability information service equipment for ships according to claim 1, characterized in that: The main cabinet also includes a storage module and a power module; The storage module is connected to the main control module through Ethernet, and is used to store information including navigation status, equipment operation status, health status, alarm information and operation log; the storage module includes a database module, and the database module adopts Dameng database; The power module is used to convert the external power supply to supply power to each module; the power module includes a UPS, which is used to ensure emergency use for a certain period of time in the event of a power interruption. 3. A kind of high-reliability information service equipment for ships according to claim 1, characterized in that: The main control module also includes an operating system module; the operating system module adopts the winning Kylin operating system and corresponding drivers. 4. A kind of high-reliability information service equipment for ships according to claim 1, characterized in that: The main cabinet body also includes a cabinet, which is processed and cast by the aluminum casting process; the inside of the cabinet is provided with guide rails, which are used to install the modules in the cabinet in a drawer type. 5. A kind of high-reliability information service equipment for ships according to claim 4, characterized in that: It also includes water cooling equipment; the water inlet main line interface and the return water main line interface of the water cooling equipment are arranged on the top of the cabinet and are connected to the water cooling pipeline of the whole ship; the water supply pipeline of the cabinet is perpendicular to the top and bottom of the cabinet, and is used for The upper and lower surfaces of the inner module use channel-type water cooling to dissipate heat, so that the cooling water can take away the heat on the surface of the equipment through the main pipeline and reduce the surface temperature of the equipment. 6. An information service method based on the high-reliability information service equipment for ships according to any one of claims 1 to 5, characterized in that: comprising the following steps: S0: Build high-reliability information service equipment for ships, including a main cabinet and an expansion interface box; the main cabinet includes an interface conversion unit, a human-computer interaction module, at least two main control modules and at least two switching modules; an interface conversion unit It is connected with two switching modules respectively through Gigabit Ethernet; each main control module is connected with each switching module through Gigabit Ethernet respectively; the two network ports of the main control module are set to load balancing binding mode; A heartbeat link is established between the control modules by directly connecting Gigabit Ethernet; the two main control modules are connected to the human-computer interaction module through interfaces including VGA and USB; the interface conversion unit includes FC port, CAN port, hard-wired interface and expansion Various interfaces connected to the interface box; the interface conversion unit is connected to the expansion interface box through the dual redundant FC ports; the main control module and the signal processing module respectively include an integrated information service module; the integrated information service module includes a data storage and forwarding module, a protocol configuration module , real-time data monitoring module, user authority management module, data query module, data management module; the interface conversion unit includes CAN interface card, FC interface card, IO interface card and signal processing card; the interface card is connected to the signal processing through the PCIE port and the USB port The expansion interface box adopts wall-mounted installation; the expansion interface box includes a signal processing module, an Ethernet interface card, at least two control cards for hot backup, and at least two DC 24V power supply lines; the expansion interface box adopts double redundant Communication through the FC port; S1: The external device sends status information to the ship's high-reliability information service equipment; S2: The high-reliability information service equipment for ships parses the information, judges the on-off status of the link and displays the results; S3: When a fault occurs, the operator checks the interrupted physical link and the expansion interface box that has not received data through the human-computer interaction module, and determines the source device of the fault. 7 . The information service method according to claim 6 , wherein: in the step S1 , if the external equipment is in the cabin area where the main cabinet is located, the external equipment sends the status information to the main cabinet; the interface conversion unit The communication protocol other than Ethernet is converted into an Ethernet communication protocol, and sent to the main control module through the switching module. After the main control module parses, the status information is presented in the human-computer interaction module. 8 . The information service method according to claim 6 , wherein in the step S1 , if the external device is in a cabin area other than the main cabinet, the external device sends the navigation status information including longitude, latitude and heading to 8 . The closest expansion interface box; after the expansion interface box receives it, it encapsulates the Ethernet, hard-wired, and CAN protocols into FC data frames according to the FC protocol format, and transmits it between the expansion interface boxes across the cabin through the FC bus until it is sent to the host. Cabinet body; the status information is converted and parsed by the interface conversion unit, the exchange module and the human-computer interaction module in the main cabinet, respectively, and finally the navigation information is displayed in the human-computer interaction module. 9 . The information service method according to claim 6 , further comprising the following steps: the main control module of the main cabinet issues a control instruction to the executive agency via the exchange module, the interface conversion unit and the expansion interface box, and the executive agency responds. 10 . commands and executes actions. 10. A computer storage medium, characterized in that: a computer program executable by a computer processor is stored therein, and the computer program executes the information service method according to any one of claims 6 to 9.

Images