CN112129299A - Navigation GPS position indicator system - Google Patents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
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- G—PHYSICS
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
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Abstract
A navigation GPS positioning instrument system comprises a GPS positioning instrument body, wherein a system in the GPS positioning instrument body is provided with a data module, a setting module and a system setting module; the data module comprises a track data submodule, a marking data submodule, a user coastline data submodule, a navigation point data submodule, a course data submodule, a seabed symbol submodule and a program updating submodule; the setting module comprises a navigation setting submodule, an alarm setting submodule, a ship setting submodule, a cursor setting submodule, a simulation setting submodule and other setting submodules; the system setting module comprises a satellite information submodule, a printing screen submodule, a key test submodule, a data output setting submodule, an AIS setting submodule, a memory clearing submodule, a chart setting submodule, a language setting submodule, a key sound setting submodule, a ship information display setting submodule, a system information submodule and a system test submodule. The invention provides data support for safe navigation of the ship.
Description
Technical Field
The invention relates to the technical field of navigation equipment, in particular to a navigation GPS position finder system.
Background
The global positioning system is a satellite based radio navigation system. In practice, 24 GPS satellites (including three spare satellites) provide accurate continuous positioning at any time. GPS can provide location information in two and three dimensions. The 3D mode needs to lock 4 satellites to accurately position, and the 3D positioning is mainly used for airplanes or other equipment applications needing latitude, longitude and altitude positioning. At present, a water vessel only needs latitude and longitude data for positioning, so that two-dimensional positioning is generally used, and in a two-dimensional mode, the position can be accurately acquired by only locking 3 satellites for positioning, so that the positioning time is shortened. However, in the prior art, the data acquired in the two-dimensional positioning mode is limited, and for example, the data such as a submarine waterline, a refuse landfill, a sea ditch, a sunken ship/submarine grass, and the depth of sea bottom water cannot be acquired when the data needs to be further understood, which causes restriction on safe navigation.
Disclosure of Invention
In order to overcome the defects of the existing GPS (global positioning system) for navigation due to the limited structure, such as background, the invention provides a navigation GPS system based on 2D positioning display, which has the advantage of high response speed, can realize the display of data such as ship position, cursor (latitude, longitude and distance), time, course/speed, shielding distance, intermediate station, direction/distance, travel time, warning line, course interruption steering, submarine waterline, refuse landfill, sea ditch, sunken ship/submarine grass, submarine water depth and the like under the combined action of system units, and also has the functions of arrival alarm, course interruption alarm, anchoring alarm, intrusion alarm and the like, thereby providing powerful data support for safe navigation of ships.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a navigation GPS locator system comprises a GPS locator body, and is characterized in that the GPS locator body is provided with a liquid crystal display interface, a login key, a navigation key, a track key, a mark key, a cursor key, a centering key, a menu key, a return key, a direction key, a determination key, a power key, five function keys and an SD card slot, and after each key is operated respectively, data, function setting and system information display can be realized; the data information display comprises track data, marking data, a user coastline, route point data, route data, disk formatting, a seabed type and program updating options, the setting information display comprises navigation setting, alarm setting, ship setting, cursor setting, ship tracking, simulation and other setting options, and the system information display comprises satellite information, keyboard testing, system setting, a printing screen and system testing options; the display interface of the GPS locator body has the following functions: displaying by a chart navigator, setting day/night modes, brightness and transparency, and displaying water depth on a navigator screen; the system in the GPS locator body is provided with a data module, a setting module and a system setting module; the data module comprises a track data submodule, a marking data submodule, a user coastline data submodule, a navigation point data submodule, a course data submodule, a seabed symbol submodule and a program updating submodule; the setting module comprises a navigation setting submodule, an alarm setting submodule, a ship setting submodule, a cursor setting submodule, a simulation setting submodule and other setting submodules; the system setting module comprises a satellite information submodule, a printing screen submodule, a key test submodule, a data output setting submodule, an AIS setting submodule, a memory clearing submodule, a chart setting submodule, a language setting submodule, a key sound setting submodule, a ship information display setting submodule, a system information submodule and a system test submodule.
Further, the data information displayed by the chart navigator comprises the latitude of the ship, the longitude of the ship, the speed of the ship, the heading of the ship, the GPS receiving state, the benchmark, the sea ditch where the ship is located, the current date, the current time, track records and colors, the numerical value of a track point, a mark, the numerical value of a mark point, a cursor, the latitude of the cursor, the longitude of the cursor, the cursor distance, the cursor azimuth, the sea ditch where the cursor is located, the display width, the waypoint navigation, the course navigation, the anchor setting, the waypoint, the latitude of the waypoint, the longitude of the waypoint, the distance of the waypoint, the azimuth of the waypoint, the predicted arrival time, the speed of the waypoint, the heading interruption azimuth of the waypoint, the compass and the XIS.
Furthermore, the track data submodule is provided with a track setting unit, a track clearing unit, a track calculating unit, a track storing unit, a track calling unit and a track deleting unit.
Furthermore, the tag data submodule is provided with a selection tag unit, a tag adding unit, a tag clearing unit, a tag storage unit, a calling tag unit, a tag deleting unit, a tag number display unit and a tag size selection unit.
Further, the user coastline data submodule is provided with a coastline display unit, a coastline drawing unit, a coastline storage unit, a coastline calling unit and a coastline deleting unit; the waypoint data submodule is provided with a waypoint display unit, a waypoint editing unit, a waypoint storage unit, a waypoint calling unit and a waypoint deleting unit; the route data submodule mainly functions to edit the route.
Furthermore, the navigation setting sub-module is provided with a waypoint navigation setting unit, a route navigation setting unit, an anchor setting unit and an exit waypoint navigation/route navigation/anchor setting unit.
Further, the alarm setting submodule comprises an arrival alarm unit, an XTE alarm unit, an anchoring alarm unit, a submarine cable alarm unit and an AIS alarm unit.
The invention has the beneficial effects that: the invention is based on 2D positioning display, has the advantage of high response speed, can realize the display of data such as ship position, cursor (latitude, longitude and distance), time, course/speed, shielding distance, intermediate station, azimuth/distance, travel time, warning line, course interruption steering, submarine waterline, refuse landfill, sea ditch, sunken ship/submarine grass class, submarine depth and the like under the combined action of system units in application, and also has the alarm functions of arrival alarm, course interruption, anchoring alarm, intrusion alarm and the like, thereby providing powerful data support for safe navigation of ships. Based on the above, the invention has good application prospect.
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The invention is further illustrated below with reference to the figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a content block diagram illustration of the data, function settings and system information display of the present invention.
FIG. 3 is a block diagram of the data module, setup module, and system setup module of the present invention.
Detailed Description
As shown in fig. 1, 2, and 3, a marine GPS locator system includes a GPS locator body, the GPS locator body has a liquid crystal display interface, and also has a login key, a navigation key, a track key, a mark key, a cursor key, a home key, a menu key, a home key, a direction key, a determination key, a power key, five function keys, and an SD card slot, and after each key is operated, data, function settings, and system information can be displayed; the data information display comprises track data, marking data, a user coastline, route point data, route data, disk formatting, a seabed type and program updating options, the setting information display comprises navigation setting, alarm setting, ship setting, cursor setting, ship tracking, simulation and other setting options, and the system information display comprises satellite information, keyboard testing, system setting, a printing screen and system testing options; the display interface of the GPS locator body has the following functions: displaying by a chart navigator, setting day/night modes, brightness and transparency, displaying water depth on a navigator screen, and the like; the system in the GPS locator body is provided with a data module, a setting module and a system setting module; the data module comprises a track data submodule, a marking data submodule, a user coastline data submodule, a navigation point data submodule, a course data submodule, a seabed symbol submodule and a program updating submodule; the setting module comprises a navigation setting submodule, an alarm setting submodule, a ship setting submodule, a cursor setting submodule, a simulation setting submodule and other setting submodules; the system setting module comprises a satellite information submodule, a printing screen submodule, a key test submodule, a data output setting submodule, an AIS setting submodule, a memory clearing submodule, a chart setting submodule, a language setting submodule, a key sound setting submodule, a ship information display setting submodule, a system information submodule and a system test submodule.
As shown in fig. 1, 2 and 3, the data displayed by the marine navigator body includes the current latitude of the ship, the current longitude of the ship, the current speed and SOG (speed over ground), the current course and COG (course over ground), the GPS receiving state (if there is no GPS or DGPS positioning signal, the screen displays "no preparation", GPS or DGPS is displayed after positioning, GPS is displayed when GPS positioning signal is received, "DGPS" is displayed when DGPS signal is received, "analog" is displayed when analog selection is selected "", current use reference, the sea ditch where the ship is located, current date (date is acquired from GPS reception), current time (time is acquired from GPS reception), track record and color (record track and track color, wherein, "T" represents "T-mark" open Course point value (number of currently stored course points), mark (type of current mark), mark point value (number of currently stored mark points), cursor (cursor is displayed on navigator screen by pressing cursor key), current cursor latitude, current cursor longitude, current cursor to ship position distance, current cursor position relative to ship, sea ditch where cursor is located, real distance of display width, waypoint navigation (number of current waypoint setting is displayed), anchor position setting (anchor position is displayed), waypoint (waypoint number), current waypoint latitude, current waypoint longitude, ship waypoint distance, waypoint position (position between waypoint relative to ship), estimated arrival time (estimated arrival time from ship position to waypoint), ship-to-waypoint speed, course interruption position (ship course steering and interruption range), Current waypoint voyage time (the time from the current position of the ship to the waypoint), compass, XIS (using AIS display function). The chart navigator display enables day/night mode, brightness and transparency selection settings, and the water depth setting can be displayed on the navigator screen.
As shown in fig. 1, 2 and 3, the track data submodule has a track setting unit, a track clearing unit, a track calculating unit, a track saving unit, a track calling unit and a track deleting unit. The mark data submodule is provided with a selection mark unit, a mark adding unit, a mark clearing unit, a mark saving unit, a calling mark unit, a mark deleting unit, a mark number display unit and a mark size selection unit. The user coastline data submodule is provided with a coastline display unit, a coastline drawing unit, a coastline storage unit, a coastline calling unit and a coastline deleting unit; the waypoint data submodule is provided with a waypoint display unit, a waypoint editing unit, a waypoint storage unit, a waypoint calling unit and a waypoint deleting unit; the main function of the data module is to edit the flight path.
As shown in fig. 1, 2, and 3, the navigation setting sub-module has a waypoint navigation setting unit, a course navigation setting unit, an anchor setting unit, and an exit waypoint navigation/course navigation/anchor setting unit (off navigation). The alarm setting submodule comprises an arrival alarm unit, an XTE (deviation of course) alarm unit, an anchoring alarm unit, a submarine cable alarm unit and an AIS alarm unit. The method mainly realizes setting of an air route for alarming.
As shown in fig. 1, 2, and 3, the track setting unit is configured to set a track of the ship on a screen, and is capable of setting a track data saving on/off function option, a track saving interval function option, a track saving mode function option, a track color function option selected by a function key, a track thickness function option selected by a track line, a display time interval "T" mark function option, and a display time interval "T" mark function option selected by a function key. The track clearing unit can clear the track line of the ship on the navigator, and mainly comprises the following function settings of clearing all track function options and clearing the track function options according to different colors. The track calculating unit is used for calculating the track and the navigation distance of the ship, and can realize the following function settings of calculating all track distance function options and calculating the track distance function options according to different colors. The flight path storage unit can store flight path data as files on available storage media, and can realize the following function settings of storing the flight path data into a ROM function option in the navigator body, storing the flight path data into an SD card (only suitable for models with SD card slots) function option and storing/calling the function option through data transmission; through the data transmission save/call function option, save/call by transmission to other devices using an external input/output terminal and setting data transmission can be realized. In the application of calling the flight path unit, the saved file can be called from the data of the flight path saving unit and displayed on a screen of the navigator, the function setting can be realized, the function option can be called from an internal ROM, the function option can be called from an SD card (only suitable for the model with an SD card slot), and the function option can be saved/called through data transmission. In the application of the track deleting unit, the track file stored on the storage medium of the track storing unit can be deleted, once the file is deleted, the file cannot be recovered, and the following function settings can be realized, namely, a file function option on an internal ROM is deleted, and a file function option on an SD card is deleted (the method is only suitable for models with an SD card slot).
As shown in fig. 1, 2 and 3, the selectable marker unit has a function of selecting a marker type on a navigator screen, and there are 21 unique marker types, which are mainly realized by selecting a marker type and a color. The tag adding unit can realize a function of adding a tag at the position of the ship or at a certain latitude/longitude, and can realize a function setting of adding a tag at the current position of the ship and adding a tag at a certain latitude/longitude. The mark removing unit can realize the function of removing the mark in the mark adding unit, and can realize the following function settings of removing the mark function option of the ship position, removing the mark function option according to different colors, removing the mark function option at a certain latitude/longitude and removing all the mark function options. And the mark storage unit can store the mark adding unit data in a file on an available memory, can realize the following function settings, store the function options on an internal ROM, store the function options on an SD card (the model is only suitable for the model with the SD card slot), store/call the function options through data transmission (store/call by transmitting to other equipment by using an external input/output terminal, and set data transmission), and set the data receiving function options. The calling marking unit can call the saved file from the marking saving unit and display the marking on the navigator, and can realize the function setting of calling the function option from the internal ROM, calling the function option from the SD card (only applicable to the model with the SD card slot), saving/calling the function option through data transmission (saving/calling by transmitting to other equipment by using an external input/output terminal and setting data transmission realization), and setting the data receiving function option. And the mark deleting unit can delete the data stored by the mark storing unit, and the file cannot be recovered once being deleted, so that the following function settings can be realized, namely, a file function option on the internal ROM is deleted, and a file function option on the SD card is deleted (the mark deleting unit is only suitable for the model with the SD card slot). The mark number display unit mainly functions to display a mark number on the chart. The mark size selection unit mainly functions to select a mark size on the chart.
As shown in fig. 1, 2 and 3, the coastline display unit has a coastline function of displaying a user drawing on a navigator screen, and if the coastline display unit is set to an on function, coastline data drawn by a subsequent coastline drawing unit is displayed, thereby enabling on/off function setting of the coastline display by the user. The coastline drawing unit has the function of drawing the coastline of a user, can record and draw lines and texts at 999 points and mark 49999 points, and can realize the function setting of drawing a coastline function option, marking an input function option, a text (place name) input function option, a coastline deletion function option and a text deletion function option (place name). The coastline storage unit has a function of storing coastline data drawn in the coastline drawing unit as a file available on a storage medium, and can realize setting of a function of storing on an internal ROM (only one file can be stored), storing on an SD card (only applicable to a model with an SD card slot), storing/calling by data transmission (storing/calling by transmitting to other devices using an external input/output terminal, and setting data transmission, setting data reception). The coastline calling unit has a function of calling saved file data from the coastline saving unit and displaying the user coastline on the navigator, and can realize function setting of calling a function option from an internal ROM, calling a function option from an SD card (applicable only to a model with an SD card slot), saving/calling a function option by data transfer (saving/calling by transferring to other devices using an external input/output terminal, and setting data transmission, setting data reception). The coastline deleting unit can delete the data stored by the coastline storing unit, the file cannot be recovered once being deleted, and the following function setting can be realized, namely, a function option of deleting the file on an internal ROM and a function option of deleting the file (only suitable for the model with the SD card slot) on the SD card.
As shown in fig. 1, 2, and 3, the waypoint display unit has a function of displaying the registered waypoints on the navigator screen, when set to on, can display the waypoints of the waypoint editing unit, and can realize a function of on/off of the registered waypoint display. The waypoint editing unit inputs frequently used and important waypoint functions in advance, has 29999 points in total, and can realize the following function settings of editing waypoint function options, editing simpler method function options of waypoints, editing waypoint function options by using a trial function key, deleting the edited waypoint data function options and moving the waypoint data to another numbering position function option. The waypoint storage unit has a function of recording data such as latitude/longitude, a mark, and a name of waypoints recorded in the waypoint editing unit and storing the data as a file available on a storage medium, and can realize setting of functions of storing function options on an internal ROM, storing function options on an SD card (only applicable to a model with an SD card slot), and storing/calling function options by data transmission (storing/calling by transmitting to other devices using an external input/output terminal, and setting data transmission and setting data reception). And the waypoint calling unit has the functions of calling data from the file saved by the waypoint saving unit and displaying waypoints on the screen of the navigator, and can realize the function setting of calling the function option from the internal ROM, calling the function option from the SD card (only applicable to the model with the SD card slot), saving/calling the function option through data transmission (saving/calling by transmitting to other equipment by using an external input/output terminal, setting data transmission and setting data receiving). And the waypoint deleting unit is used for deleting waypoint files stored on the storage medium in the waypoint storing unit, the files cannot be recovered once being deleted, and the following function settings can be realized, namely deleting the file function option on the internal ROM and deleting the file function option on the SD card (only suitable for the model with the SD card slot).
1, 2, and 3, the route data submodule, in the editing route, may change the stored waypoints into a navigational route, up to 100, each route may record 50 waypoints, the latitude/longitude data for the waypoints must be stored as a route, essentially including the two options of editing the route and canceling the waypoints in the editing route. And the seabed symbol submodule enables a user to see the explanation of the seabed symbols and the abbreviations displayed on the navigator chart. And the program updating submodule mainly has the function of updating the host program to the latest version.
As shown in fig. 1, 2, and 3, in the waypoint navigation setting unit, when the ship is going to navigate between two waypoints stored in the waypoint editing unit or the current position of the ship reaches a stored waypoint, the waypoint navigation off/waypoint navigation off function can be implemented using this function. In the route navigation setting unit, route navigation is set by a menu, and navigation is carried out by using a route recorded in the route editing unit, so that the following function setting can be realized, namely, a route navigation setting function option, a route return function option, a function key button is used for deleting a next route point function option from route navigation, a route shortcut key is used for setting a route navigation function option, a more convenient route navigation setting function option and a route exit navigation setting function option. The anchor position setting unit is used together with an anchor position alarm unit to realize the following function settings, anchor position setting function option and anchor position quitting function option. Exit waypoint navigation/airline navigation/anchor setting for exit waypoint navigation, airline navigation, anchor setting (anchoring), in use, exit waypoint navigation/airline navigation/anchor setting can be selected using the function keys.
As shown in fig. 1, 2 and 3, in the arrival alarm unit, when waypoint navigation and airline navigation are used, an audible alarm is generated when the ship arrives at a certain radius range of the final destination, and the following function settings can be realized, namely, the arrival alarm on/off function option is set, and the alarm sound function option is turned off by using the function key. XTE (lane departure) units, using waypoint navigation and route navigation, a range of routes to a destination may be set and an alarm may be raised when the range is out. In the anchoring alarm unit, when the ship is anchored by using the anchor position setting unit, the ship has the function of alarming when the anchor position exceeds the alarm range due to influences of tide, ocean weather and the like, and in specific application, the anchoring alarm can be set to be turned on/off. The submarine cable alarm unit has the function of giving an alarm when detecting that the submarine cable is arranged under the ship bottom in the sailing process, and plays a good role in prompting. In the AIS alarm unit, when the radius of the ship is set in the ship setting unit, an audible alarm function is generated when an AIS icon of another ship enters the radius range set by the ship on an AIS screen of the navigator, and AIS alarm on/off can be set in specific operation.
As shown in fig. 1, 2 and 3, in the ship setting sub-module, this function can set various information of the ship, and can implement setting of the function that the ship automatically opens/closes the function option in the middle, so that the ship icon performs the automatic centering function option on the navigator screen; setting a size function option displayed by the ship icon; setting a function option for setting a red circle radius value with the ship as a circle center; a function of smoothly setting function options, inputting a smooth (average) value according to a ship type; the latitude and longitude can be corrected in minutes and seconds when the current position has an error by correcting or correcting the latitude and longitude setting function option; a heading display on/off setting function option; selecting a heading size function option; a heading color function option; selecting a heading shape (thickness) function; selecting a ship position function; the ship marks the flash function option. In the cursor setting sub-module, this function is used to set information of a cursor shape appearing on the navigator screen, and can realize setting of a cursor size setting function option, a cursor color setting function option, a cursor shape (thickness) setting function option, and a cursor line setting function option. In the simulation submodule, data required by actual ship navigation is artificially created, and pictures of the ship during actual navigation are simulated and displayed on a navigator screen, so that the simulation setting of the navigator can be realized. Other functions related to the system and the navigator can be set in other setting sub-modules, and the following function setting can be realized, namely a distance setting function option, a magnetic difference setting function option, a heading setting function option by using function keys, a fishing area display function option, a password setting function option and an SOG display function option.
As shown in fig. 1, 2 and 3, the satellite information submodule, which is a function of setting GPS and DGPS related information, which is also a DGPS (differential GPS) necessary for ship navigation, is substantially similar to the GPS, but provides more accurate position information by receiving a position correction signal of a separate calibration reference station installed on the ground to reduce a position error (tolerance) within 10M, and within 1 to 5M; the following function setting can be realized, the function option is set at the initial position, and the position of the ship can be manually set when the ship is used (if the GPS signal is not received); a local time setting function option; a system time (12/24) display setting function option; a ship speed mode setting function option; setting a function option in a DGPS mode; antenna height setting function options; setting a function option by the geodetic reference; setting a function option by the COG/HDG; GNSS setup function options. In the print screen sub-module, the function is to capture the content displayed on the navigator screen onto the SD card for printing. In the key test submodule, the function is to carry out self-check on the key on the host computer and test whether the operation is normal. In the data output setting submodule, a user can set a GPS PORT, an external PORT, AIS, a memory, chart colors and languages, and the following function setting can be realized, wherein an input PORT sets a function option, an NMEA-1 PORT sets a function option, and an NMEA-2PORT sets a function option. In the AIS setting submodule, AIS information of a ship equipped with an AIS can be displayed on a navigator screen, and the AIS setting submodule has function options of selecting an AIS data display function option, an AIS target color setting function option, a function option of displaying AIS ship basic information on a plotter screen, a detailed information function option of the AIS ship, an AIS alarm area function option, an AIS alarm area switch setting function option, an AIS warning area setting function option, an AIS danger area setting function option, an AIS ship position setting function option, an AIS list setting function option, an AIS registration list function option, a AIS list function option of deleting all registered AIS lists in the list, a display AIS target list function option and an AIS list alarm ring setting function option.
As shown in fig. 1, 2, and 3, in the memory submodule cleared, the function will delete all stored data and restore factory settings. In the chart setting submodule, a chart can be selected. In the chart color setting submodule, the chart color can be set on the navigator screen. In the language setting submodule, the language to be used can be selected. And in the key sound setting submodule, the volume of the keys can be set. In the ship information display setting submodule, the position data of the ship can be set. The system information submodule has a function of checking information such as an LCD mode, a drawing mode, a program version, a chart version, and a PIC version used in the system, and can implement the following function settings, i.e., an LCD mode setting function option and a drawing mode setting function option. In the system test sub-module, the following function settings can be realized, namely, power supply voltage test, SD card test (self-check whether the SD card is inserted into the host computer to work normally), key test (test whether the keys on the host computer work normally), COM interface test (self-check on the communication port of the host computer), GPS test (self-check on the GPS of the host computer), and PCB version (check PCB version).
As shown in fig. 1, 2 and 3, the parameters of the present invention are as follows. Tracking speed, velocity 1000Knots (514m/s), acceleration 4 g. Signal correction and tracking-fully automatic (tracking microcomputer). The accuracy is 10m RMS, PDOP is less than or equal to 3.0 (no SA), 1-5 m RMS, HDOP is less than or equal to 4.0 (no SA) -DGPS/SBAS. Speed accuracy 0.1Knots RMS, PDOP ≦ 3.0 (no SA). And the data recovery time is 1 second. The first positioning time is 24 seconds. Location data update interval 1 second. Drawing method Mercator's. The scale range is 0.02 nm-approx.5000nm (approx.1/2, 5000-1/37, 500, 000). Effective display range is less than 85 degrees of latitude. And (4) a pull-down menu. And displaying the data on a tracking screen. And (4) track display, namely, storing interval-track stop records, selecting variables from 1 second to 60 minutes, selecting variables from 0.01nm to 9.99nm, storing the memory capacity-track 50000 points, marking the track-100 points, and displaying the track color to 16 colors. The mark shows that the mark type is 21, the color is 16, the memory capacity is 50000 points, the user coastline can be deleted by using different colors, 999 points are drawn, and 50000 points are marked. Waypoints and route storage 30000 points, routes, 100 routes (1 route/50 waypoints may be entered). Auxiliary memory-use of SD card to save shorelines, tracks, events, waypoints, user airlines, and others. The data shows the ship position, cursor (latitude, longitude, distance), time, course/speed, shielding distance, intermediate station, direction/distance, travel time, warning line, course interrupt steering, submarine waterline, landfill site, sea ditch, sunken ship/submarine grass, submarine depth and the like. Alarm, arrival alarm, course interruption, anchoring alarm and intrusion alarm. Geodetic reference-a worldwide alternative reference. Navigation data input/output format input/output NMEA0183(IEC 61162) may connect brand devices such as SAMYUNG, FURUNO, JRC). And the calendar displays the solar calendar/lunar calendar. The invention is based on 2D positioning display, has the advantage of high response speed, can realize the display of data such as ship position, cursor (latitude, longitude and distance), time, course/speed, shielding distance, intermediate station, azimuth/distance, travel time, warning line, course interruption steering, submarine waterline, refuse landfill, sea ditch, sunken ship/submarine grass class, submarine depth and the like under the combined action of system units in application, and also has the alarm functions of arrival alarm, course interruption, anchoring alarm, intrusion alarm and the like, thereby providing powerful data support for safe navigation of ships.
While there have been shown and described what are at present considered to be the essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A navigation GPS locator system comprises a GPS locator body, and is characterized in that the GPS locator body is provided with a liquid crystal display interface, a login key, a navigation key, a track key, a mark key, a cursor key, a centering key, a menu key, a return key, a direction key, a determination key, a power key, five function keys and an SD card slot, and after each key is operated respectively, data, function setting and system information display can be realized; the data information display comprises track data, marking data, a user coastline, route point data, route data, disk formatting, a seabed type and program updating options, the setting information display comprises navigation setting, alarm setting, ship setting, cursor setting, ship tracking, simulation and other setting options, and the system information display comprises satellite information, keyboard testing, system setting, a printing screen and system testing options; the display interface of the GPS locator body has the following functions: displaying by a chart navigator, setting day/night modes, brightness and transparency, and displaying water depth on a navigator screen; the system in the GPS locator body is provided with a data module, a setting module and a system setting module; the data module comprises a track data submodule, a marking data submodule, a user coastline data submodule, a navigation point data submodule, a course data submodule, a seabed symbol submodule and a program updating submodule; the setting module comprises a navigation setting submodule, an alarm setting submodule, a ship setting submodule, a cursor setting submodule, a simulation setting submodule and other setting submodules; the system setting module comprises a satellite information submodule, a printing screen submodule, a key test submodule, a data output setting submodule, an AIS setting submodule, a memory clearing submodule, a chart setting submodule, a language setting submodule, a key sound setting submodule, a ship information display setting submodule, a system information submodule and a system test submodule.
2. The marine GPS locator system according to claim 1, wherein the data information displayed by the marine navigator comprises a native ship latitude, a native ship longitude, a native ship speed, a native ship heading, a GPS reception status, a reference, a sea ditch in which the native ship is located, a current date, a current time, a track log and color, a track point value, a marker point value, a cursor latitude, a cursor longitude, a cursor distance, a cursor bearing, a sea ditch in which the cursor is located, a display width, waypoint navigation, course navigation, anchor position settings, waypoints, waypoint latitude, waypoint longitude, waypoint distance, waypoint bearing, a predicted arrival time, waypoint speed, a heading interruption bearing, waypoint travel time, compass, XIS.
3. The marine GPS locator system according to claim 1, wherein the track data submodule comprises a track setting unit, a track clearing unit, a track calculating unit, a track saving unit, a track calling unit, and a track deleting unit.
4. The marine GPS locator system according to claim 1, wherein the tag data submodule has a selection tag unit, a tag add unit, a tag clear unit, a tag save unit, a call tag unit, a tag delete unit, a tag number display unit, a tag size selection unit.
5. The marine GPS locator system according to claim 1, wherein the user coastline data submodule comprises a coastline display unit, a coastline drawing unit, a coastline saving unit, a coastline calling unit, and a coastline deleting unit; the waypoint data submodule is provided with a waypoint display unit, a waypoint editing unit, a waypoint storage unit, a waypoint calling unit and a waypoint deleting unit; the route data submodule mainly functions to edit the route.
6. The marine GPS locator system according to claim 1, wherein the navigation settings sub-module has a waypoint navigation settings unit, a course navigation settings unit, an anchor settings unit, an exit waypoint navigation/course navigation/anchor settings unit.
7. The marine GPS locator system according to claim 1, wherein the alarm setting sub-module comprises an arrival alarm unit, an XTE alarm unit, an anchor drop alarm unit, a submarine cable alarm unit, an AIS alarm unit.
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