CN112487113A - Electronic chart display and information system based on multiple ship groups - Google Patents

Abstract

The invention discloses an electronic chart display and information system based on a plurality of ship groups, belonging to the field of positioning, tracking and communication of fishing ship fleets and military fleets, wherein the system comprises N electronic chart display and information devices arranged on N ship groups; the N electronic chart display and information devices are communicated by adopting an inertial navigation protocol with a short message interaction function; the electronic chart display and information device comprises a login module, a database module and a ship group information setting module; the electronic chart is displayed in real time, the geographical positions of the ship group and the other ship groups are marked in real time, the distance between the other ship groups and the ship group is calculated and displayed in real time, the sailing track of the ship group and the other ship groups is displayed in real time, and the inertial navigation information and the short message information of the ship group and the other ship groups are received, analyzed, displayed and stored in real time.

Description

A kind of electronic chart display and information system based on multi-ship group

technical field

The invention relates to the field of positioning, tracking and communication of fishing fleets and military fleets, in particular to an electronic chart display and information system based on multiple fleets.

Background technique

At present, my country has increased its attention to the safety of sailing ships, and electronic charts are widely used in the field of navigation. Through the electronic chart technology, the positioning information and ship data information of the ship can be displayed, thereby improving the safety of the ship's navigation. There are ship inquiry websites on the Internet that provide services for inquiring about ship dynamics. However, there are currently two problems in this field, mainly as follows: 1. The number of existing ship inquiry websites that provide electronic charts and AIS services is not large, and the API services of some websites are chargeable items, which cannot meet the needs of personalized development. Information system requirements; 2. It is necessary to connect to the network to use the ship query website, which cannot meet the needs of the offline environment; 3. For the application environment of the current fishing fleet and military fleet, the transparent transmission of AIS data used in communication does not have the Confidentiality, it is easy to be received and parsed by other ships, and the fleets use walkie-talkies to communicate information such as where to fish, where to trade and other commercial information between fishing fleets, or interactive military exercises between military fleets, etc. Military information, which may be heard by other ships, does not have security and confidentiality, so the communication protocol uses a more confidential inertial navigation protocol with SMS interaction function.

SUMMARY OF THE INVENTION

According to the problems existing in the prior art, the present invention discloses an electronic chart display and information system based on multiple ships, including N electronic chart display and information devices installed on N ships;

An inertial navigation protocol with a short message interaction function is used for communication between the N electronic chart display and information devices;

The electronic chart display and information device includes a login module for receiving the login information input by the user and entering the device;

A database module that receives the login information from the login module and stores the login information;

The ship group information setting module for setting the longitude and latitude information of the ship group;

Receive the longitude and latitude information of the ship group transmitted by the ship group information setting module, display the electronic chart in real time, mark the geographic location of the ship group and the other ship groups in real time, calculate and display the distance between the other ship groups and the ship group in real time, and display the own ship in real time. The main window module that receives, parses, displays and stores the navigation trajectories of the group and other groups of ships, and the inertial navigation information and short message messages of the group and the other groups in real time, and the main window module receives the database module. The original data information and parsed data information of the transmitted inertial navigation information and short message messages are processed for line recording;

At the same time, the database module stores the initial inertial navigation information and the parsed inertial navigation information transmitted by the main window module.

Further, it also includes the current data module that receives the real-time inertial navigation information and short message messages of the own ship group and the rest of the ship group transmitted by the main window module, and carries out cumulative storage and display, and the current data module displays the information of the ship group's ship equipment. Real-time INS information and SMS messages.

Further, query the original data information of the inertial navigation information and short message messages and the historical data of the parsed data information of the own ship group and other ship groups of the database module, display the original frame structure data and the parsed data of the query target ship group, And play back the history record module of the historical data of the main window module.

Further, receive the real-time inertial navigation information and short message messages transmitted by the main window module, and display the inertial navigation information of this ship group and the rest of the ship group. The detailed data of the target, including the display of the target's acceleration, angular velocity, roll angle, heading angle, and pitch angle data record at the current moment, as well as the scroll list display of the data record at all times, and the display of short messages sent and received at all times.

Further, the login module includes authentication login and free login.

Further, the database module adopts SQLite technology to store and read data.

Further, the inertial navigation information includes latitude and longitude, angular velocity, acceleration, speed, roll angle, pitch angle, and heading angle; the short message message includes the business information of where to fish, where to trade, and the ship group interacted with each other. Information on military exercises that interact between groups.

Further, the main window module realizes the electronic chart display of the main window module by loading the electronic chart image slice from the local, and replaces the base map image according to actual needs to realize multi-ship in different scenarios. Group location tracking information is displayed.

Further, a serial port setting module is also included, and the serial port setting module plays the role of setting serial port information and starting the serial port function.

Due to the adoption of the above technical solutions, the present invention provides an electronic chart display and information system based on multiple ship groups. The system adopts a new multi-ship group communication protocol. This protocol is an inertial navigation system with SMS interaction. On the basis of the original inertial navigation protocol, the content of the short message message with the sending time, receiving equipment, sending equipment, and message body is added, and the inertial navigation information such as position, speed, and angle are exchanged between fishing fleets and military fleets. At the same time, the fishing fleet can exchange commercial information such as where to fish and where to trade, and the military fleet can exchange military information such as military exercises. The above contents are confidential and meet the needs of commercial and military use; A new method for displaying electronic charts and information of multi-vessel groups. This method adopts .Net technology and Winform technology, uses Devexpress control for development, and uses MapControl control to realize the main window by loading electronic chart image slices from local The electronic chart display of the body module uses GDI+ technology to realize the drawing of the ship's trajectory on the electronic chart. This method realizes the separation of the base map and the information display layer, which can not only display the electronic chart and information of multiple ship groups, but also The base map can be replaced according to actual needs to realize the display of positioning and tracking information of multiple ships in different scenarios. This system is a host computer system, which receives and processes the ship data sent by the base station to the host computer through the serial port. This system can receive For inertial navigation data and SMS messages, the main window module parses the serial port data received by the host computer according to the corresponding protocol, and displays the parsed inertial navigation data and SMS messages to the electronic chart of the main window module after processing. On the interface and the window interface of other modules, the electronic chart display of multiple ships and the multi-angle, multi-mode and intuitive and detailed information system display can be realized, and the data of the ships that need to be saved can be stored in the database according to the needs of users. , to realize the function of historical data query and data playback.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments described in this application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Figure 1 is an electronic chart display and information system based on a multi-ship group.

In the figure: 1. Login module, 2. Serial port setting module, 3. Main window module, 4. Ship group information setting module, 5. Current data module, 6. History record module, 7. Data record module, 8. Database Module, 100, chart display and information device.

Detailed ways

In order to make the technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention:

Fig. 1 is a kind of electronic nautical chart display and information system based on multi-ship group, a kind of electronic nautical chart display and information system based on multi-ship group, it is characterized in that: comprising N electronic nautical charts installed on N ship groups Chart display and information device 100; the electronic chart display and information device 100 board includes: login module 1, serial port setting module 2, main window module 3, ship group information setting module 4, current data module 5, history record module 6. Data recording module 7, database module 8;

The technical scheme of the present invention mainly includes two parts: a communication protocol and a function module, wherein the communication protocol adopts the inertial navigation protocol with the function of short message interaction, and on the basis of the inertial navigation protocol with the information of latitude and longitude, speed, acceleration and angular velocity, the short message message is added. In the communication between the multi-vessel group and the target vessel, the position and attitude information of the ship such as coordinates, speed, and angle can be exchanged, and the commercial information of where to fish and where to trade between fishing vessels can be exchanged. As well as information on military exercises between warships. The inertial navigation information and SMS messages in this agreement are encrypted and sent, with confidentiality and security.

Communication between the N electronic chart display and information devices 100 adopts an inertial navigation protocol with a short message interaction function;

The electronic chart display and information device 100 includes a login module 1 that receives the login information input by the user and enters the device; the login module 1 includes two modes of authentication login and free login;

Receive the database module 8 that the login module 1 transmits the login information and stores the login information, and the database module 8 adopts the SQLite technology to realize the storage and reading of data;

The ship group information setting module 4 for setting the ship group longitude and latitude information; the main window module 3 receives the ship group longitude and latitude information transmitted by the ship group information setting module 4, displays the electronic chart in real time, and marks the own ship group and other ship groups in real time. real-time calculation and display of the distance between the other ships and the own ship, real-time display of the navigation trajectories of the own ship and the rest of the ship, and real-time reception, analysis, display and transmission of the inertial navigation information and short message messages of the own ship and the rest of the ship. stored, and the main window module 3 receives the original data information and the parsed data information of the inertial navigation information and the short message message transmitted by the database module and performs row record processing; the main window module 3 also loads from the local The method of electronic chart image slicing is used to realize the electronic chart display of the main window module, and the base map image is replaced according to actual needs, so as to realize the display of multi-vessel group positioning and tracking information in different scenarios.

At the same time, the database module 8 stores the initial inertial navigation information and the analyzed inertial navigation information transmitted by the main window module 3;

The inertial navigation information includes latitude and longitude, angular velocity, acceleration, speed, roll angle, pitch angle, and heading angle; the short message message includes information about where to fish, where to trade, and between the ships. Interactive military exercise information;

Run the system to load the login module 1 to display the login form. In the case of authentication login, the entered user name and password are verified by the database module 8 to be valid, and then you can log in; in the case of password-free login, you can log in directly. After the authentication login or password-free login, the login interface is closed, and the main form module 3 is loaded at the same time.

After loading the main window module 2, the main window is displayed. Before receiving the data, click the "Serial port setting" control to load the serial port setting module 2 to display the serial port setting window. In this window, select the local serial port to be used, and set the serial port information as The baud rate is 115200, 1 start bit, 8 data bits, 1 stop bit, no parity bit, and saves the function of starting the serial port.

In the main window, click the "Ship group information setting" control to load the ship group information setting module 4, and display the ship group information setting form. This form loads the original base station latitude and longitude information by default. If you need to change it, you can enter new data and save it. This information is used to subsequently calculate and display the distance between the base station and the ship.

The main form module 2 uses the Devexpress control to load the electronic chart image slices from the local to realize the display of the electronic chart in the offline stand-alone environment, and can display the latitude, longitude and zoom level information. After the serial port setting module 2 starts the serial port function, the main window module 2 receives the serial port data of the ship's inertial navigation information and short message message sent by the base station to the host computer, and analyzes the serial port data according to the communication protocol to obtain the ship's longitude and latitude, angular velocity, and acceleration. , speed, roll angle, pitch angle, heading angle and other inertial navigation data information and SMS message data information, and display them on the interface. According to the latitude and longitude information, the image of the multi-ship ship equipment is marked on the corresponding position of the electronic chart, and the position of the multi-ship ship equipment image is moved according to the real-time updated data, and the multi-ship ship's trajectories are drawn using GDI+ technology. . Click the image of the ship equipment to display the information of the ship equipment number, speed, latitude and longitude, and the distance from the base station. The distance data from the base station is calculated according to the current longitude and latitude of the ship and the latitude and longitude of the base station. If you need to store data, click the "Start/Stop Storage" control in the item control area on the main form, and the main form module starts to store the data information in the database module 8. After clicking the "Start/Stop Storage" control, the main window The body module stops storing data information into the database module 8 .

You can click the "current data" control in the main form item control to load the current data module 5; the current data module 5 displays the real-time inertial navigation information and short message messages of the ship's ship equipment, and you can click the main form item control. "History" control, load the history module 6; double-click the ship equipment image in the electronic chart area of the main window to load the data recording module 7; load the current data module 5 to display the current data window, and load the main window module Analyze the current inertial navigation data information and SMS message information of all multi-ship ship equipment, realize data synchronization, update and display the current real-time data of each ship equipment.

The data recording module 7 displays the inertial navigation information of the own ship group and the rest of the ship group, and the data recording module 7 completely displays the detailed data of the ship target of the multi-ship group, including the acceleration, angular velocity, roll angle, and heading angle of the target at the current moment. , the needle display of the pitch angle data record, the scrolling list display of the data record at all times, and the display of short messages sent and received at all times.

The loading history record module 6 displays the history record window, loads the historical data from the database module 8, selects the name of the ship target record to be viewed, displays the inertial navigation information in the ship target record and the original frame structure data of the short message message and the parsed data. Data information, and the playback function can be used to display the target historical data and track by passing the historical data of the selected ship in the database module 8 through the main window module 2 .

Load the data recording module 7 to display the data recording window, which displays the detailed inertial navigation data and SMS messages of the selected multi-ship ship equipment, and uses the needle to visually display the current acceleration, angular velocity, roll angle, pitch angle, The inertial navigation data record of the heading angle, and scrolling the list to display all the data records of the device at all times, as well as the short message messages sent and received by the target ship and the multi-ship group at all times.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (9)

1. an electronic chart display and information system based on multiple ship groups, is characterized in that: comprise N electronic chart display and information devices (100) installed on N ship groups; Communication between the N electronic chart display and information devices (100) adopts an inertial navigation protocol with a short message interaction function; The electronic chart display and information device (100) includes a login module (1) for receiving login information input by a user and entering the device; A database module (8) that receives the login information from the login module (1) and stores the login information; A group information setting module (4) for setting the longitude and latitude information of the group; Receive the longitude and latitude information of the ship group transmitted by the ship group information setting module (4), display the electronic chart in real time, mark the geographical position of the own ship group and the other ship groups in real time, calculate and display the distances between the other ship groups and the own ship group in real time, A main window module (3) that displays the navigation trajectories of the own ship group and the other ship groups in real time, and receives, parses, displays and stores the inertial navigation information and short message messages of the own ship group and the other ship groups in real time, and the main window Module (3) receives the inertial navigation information and the original data information of the short message message and the parsed data information transmitted by the database module and performs line recording processing; At the same time, the database module (8) stores the initial inertial navigation information and the parsed inertial navigation information transmitted by the main window module (3). 2. a kind of electronic chart display and information system based on multi-ship group according to claim 1, it is characterized in that: also comprise the real-time own ship group and other ship groups that receive described main window module (3) transmission The current data module (5) for accumulative storage and display of the inertial navigation information and short message messages, the current data module (5) displaying the real-time inertial navigation information and short message messages of the ship equipment of the fleet. 3. a kind of electronic chart display and information system based on multi-ship group according to claim 1, it is characterized in that: query the inertial navigation information and short message of own ship group of described database module (8) and other ship groups The original data information of the message and the historical data of the parsed data information, the original frame structure data and the parsed data of the query target ship group are displayed, and the historical record module (6) of the historical data of the main window module (3) is played back. 4. a kind of electronic chart display and information system based on multi-ship group according to claim 1, it is characterized in that: receive the real-time inertial navigation information and short message message that described main window module (3) transmits, to this A data recording module (7) for displaying the inertial navigation information of the ship group and the rest of the ship group, the data recording module (7) completely displays the detailed data of the ship target of the multi-ship group, including the acceleration, angular velocity, rolling of the target at the current moment The hand display of the angle, heading angle, and pitch angle data records, as well as the scrolling list display of the data records at all times, and the display of short messages sent and received at all times. 5 . The electronic chart display and information system based on a multi-ship group according to claim 1 , further characterized in that: the login module (1) includes two modes of authentication login and free login. 6 . 6. A kind of electronic chart display and information system based on multi-ship group according to claim 1, is characterized in that: described database module (8) adopts SQLite technology to realize the storage and reading of data. 7. A kind of electronic chart display and information system based on multi-ship group according to claim 1, it is characterized in that: described inertial navigation information comprises latitude and longitude, angular velocity, acceleration, speed, roll angle, pitch angle, heading angle; the short message message includes the information about where to fish, where to trade, and the information about military exercises that are exchanged between the crews. 8. a kind of electronic chart display and information system based on multi-ship group according to claim 1, it is characterized in that: described main window module (3) by the method of loading electronic chart image slice from local The electronic chart display of the main window module is realized, and the base map image is replaced according to the actual needs, so as to realize the display of positioning and tracking information of multiple ships in different scenarios. 9. a kind of electronic chart display and information system based on multi-ship group according to claim 1, it is characterized in that: also comprise serial port setting module (2), described serial port setting module (2) plays the role of setting serial port information and the function of starting the serial port function.

Images