JPH10289087A - Navigation signal display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a navigation signal display device which allows a navigation signal display device that is installed on a bridge or in an engine room of a ship to be used as one common hardware at one place and selects and shows a display item that is needed according to an installation place. SOLUTION: This device is equipped with an input interface circuit 3 of a display signal, a display controlling part 4 which performs data processing of the signal, data maintenance and screen display control, a pattern setting part 6 which performs display screen selection, and a screen display part 10 which shows data of the part 4 on a screen, and selects and shows information that is needed for each place in the ship with one kind of an indicator by designating a display screen to the part 6. The part 10 uses plasma display, a liquid crystal indicator, a cathode-ray tube indicator, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation signal display device, particularly to a navigation support device for a ship.

[0002]

2. Description of the Related Art A conventional marine navigation signal display device displays information of required contents on a single display for each place where a navigation signal display or a display for an operation instruction is required.
Each screen was individually displayed on a plasma display panel or the like. The places where the display is required include, for example, a captain's office, a bridge, a central monitoring room, a weather and oceanographic room, an engine room, and the like, and the required information is not the same. Therefore, since the information required for each location is different, it is necessary to provide a panel display for displaying different contents for each location. If necessary, several types of displays are prepared and information for two screens or more is provided. Where necessary, two or more indicators were installed.

[0003]

However, in the above-mentioned method, the display item of one display is only one fixed pattern, and the display function required for each installation location of the navigation signal display device is different. It is necessary to prepare several types of indicators with display functions, and there is a problem of lack of flexibility in information selection, such as lack of information depending on the installation location or display of unnecessary information that is unnecessary. Was.

Further, each display requires a different hardware design, and it is necessary to individually connect the signal processing unit and the display, which causes a problem that wiring becomes complicated.
The present invention has been made under such a background, and a navigation signal display device using one common hardware can be installed in one place, and a required display item can be selected and displayed depending on the installation location. It is an object to provide a navigation signal display device.

[0005]

According to the first aspect of the present invention,
A display signal input interface circuit, a display control unit for performing data processing of the signal, data holding, and screen display control, a pattern setting unit for selecting a display screen, and a screen display for displaying a screen based on the data of the display control unit And a navigation signal display device that can display necessary information in various places on the ship with one type of display by instructing a display screen to the pattern setting unit.

The invention according to claim 2 is characterized in that the screen display section is a plasma display. The invention according to claim 3 is characterized in that the screen display unit is a liquid crystal display. The invention according to claim 4 is characterized in that the screen display unit is a CRT display.

[0007]

FIG. 1 is a block diagram showing a configuration of a navigation signal display device 1 according to an embodiment of the present invention, and FIG. 2 is a diagram showing connections between a plurality of navigation signal display devices 1. As shown in FIG. 2, the plurality of navigation signal display devices 1 installed in various places on the ship are cascade-connected, signal transmission is performed by serial transmission according to the RS485 protocol, and communication with the navigation signal processing unit 2 is performed. RS485 between
Connected by serial signal according to protocol.

In FIG. 1, reference numeral 1 denotes a voyage signal display device, and 2 denotes a voyage signal processing section for collecting data and processing signals transmitted to the voyage signal display device 1. Reference numerals 3 to 10 are constituent elements of the navigation signal display device. Reference numeral 3 denotes a signal from the voyage signal processor 2 which is a serial protocol R
The RS485 interface 4 received in S485 is a display control unit for performing data processing for display, drawing / display, and data holding. The reset operation of range data is performed by the range reset switch 5. Reference numeral 6 denotes a pattern setting unit for setting a display pattern, and a display pattern can be selected by a pattern setting switch 7. Reference numeral 8 denotes a brightness adjustment unit, and the brightness of the screen display unit 10 can be adjusted by a brightness adjustment switch 9. As the screen display unit 10, a plasma display, a liquid crystal display, a CRT display, or the like is used.

The data necessary for the operation of a ship is diversified, and examples of data items include the latitude and longitude of the position of the ship,
There are own ship course, roll and pitch, true wind direction and true wind speed, ground speed and water speed, voyage, tidal current speed by water depth and water depth, drift direction and drift speed and time, and the like. At a plurality of locations where the navigation signal display device is installed on the ship, the data items required for each location are often a part of the data items, and the data is divided into several types of display screens and divided. Then, one display device is installed at each navigation signal installation location, and as shown in FIG. 3, a display screen of a required data item can be selected and displayed.

The operation of this embodiment will be described with reference to the signal processing flowchart of the navigation signal display device 1 shown in FIG. When data is received in step s1, the own course, roll, pitch, true wind direction, true wind speed, ground speed, water speed, voyage, water depth, drift direction, drift speed, own ship position, latitude, longitude, and time in s2 are received. And other data. Next, the data fetched in s3 is compared with the previous data, and the data that has been changed is subjected to smoothing to enable image display in s4. To output to the display and display on the screen.

FIG. 5 shows an example of the outer shape and display screen of the navigation signal display device 1 according to the present embodiment, wherein 5 is a range reset switch, 7 is a display screen changeover switch, 9 is a display screen brightness adjustment switch, and 10 is Is displayed as shown in FIG. On this display screen, the course and the relative wind direction of the own ship are graphically displayed, and the speed, range, and relative wind speed of the own ship are digitally displayed. FIG. 6 shows a second embodiment according to the present invention.
This is an example of a display screen that graphically displays your ship's course and wind direction, and displays the time, course of your ship, latitude, longitude, pitch, roll, ground speed, water speed, voyage, steering angle, relative wind direction and relative wind direction. Digital display of wind speed.

FIG. 7 shows a third display screen example according to the present embodiment, in which the course and the wind direction of the own ship are graphically displayed, and the time, true wind direction, true wind speed, latitude, longitude, course, water speed, and water speed are displayed. Digital display of course, relative wind direction and relative wind speed. FIG. 8 is a fourth screen display example according to the present embodiment,
Graphically display your ship's course and drift angle, time, drift direction, drift speed, latitude, longitude, course,
Digital display of water speed, water course, relative wind direction and relative wind speed.

FIG. 9 shows a fifth screen display example according to this embodiment, in which the time, latitude, longitude, course, water speed, water course, drift direction and drift speed are digitally displayed. FIG. 10 is a sixth screen display example according to the present embodiment, in which the direction of the tidal current is set at 10 m, 100 m, and 200 m below the water surface.
m is displayed graphically, and the time, water depth, and the direction and speed of the tidal current in each of the display layers are digitally displayed.

Each of the above display screens can be sequentially switched as shown in FIG. 3 by giving an instruction from the pattern setting switch 7 to the display pattern setting section 6, and information required depending on the installation location is obtained. Can be displayed. As described above, by switching the menu of one navigation signal display device, it is possible to select the optimum display screen required by the installation location. Can be satisfied.

The operation of one embodiment of the present invention has been described in detail with reference to the drawings. However, the present invention is not limited to this embodiment, and a design change or the like may be made without departing from the gist of the present invention. The present invention is also included in the present invention. For example, the signal transmission between the devices is not RS485 but RS232 or RS4.
22 is used.

[0016]

As described above, according to the present invention, necessary information can be selected and displayed at various places in the ship with one type of display, so that the versatility is high and the cost is reduced. And the display function can be improved.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a navigation signal display device according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a connection system of the navigation signal display device according to one embodiment of the present invention.

FIG. 3 is an explanatory diagram of screen switching of the navigation signal display device according to one embodiment of the present invention.

FIG. 4 is a signal processing flowchart of the navigation signal display device according to an embodiment of the present invention.

FIG. 5 is an external view of a navigation signal display device according to an embodiment of the present invention and a first screen display example.

FIG. 6 is a second screen display example of the navigation signal display device according to the embodiment of the present invention.

FIG. 7 is a third screen display example of the navigation signal display device according to the embodiment of the present invention.

FIG. 8 is a fourth screen display example of the navigation signal display device according to the embodiment of the present invention.

FIG. 9 is a fifth screen display example of the navigation signal display device according to the embodiment of the present invention.

FIG. 10 is a sixth screen display example of the navigation signal display device according to the embodiment of the present invention;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 voyage signal display device 2 voyage signal processing unit 3 RS485 interface 4 display control unit 5 range reset switch 6 pattern setting unit 7 pattern setting switch 8 brightness adjustment unit 9 brightness adjustment switch 10 screen display unit

Claims (4)

[Claims] An input interface circuit for a display signal; a display control unit for performing data processing of the signal, data holding, and screen display control; a pattern setting unit for selecting a display screen; And a screen display unit that displays a part of data on the screen display unit according to the selection signal supplied from the pattern setting unit. Display device. 2. The navigation signal display device according to claim 1, wherein the screen display unit is a plasma display. 3. The navigation signal display device according to claim 1, wherein the screen display unit is a liquid crystal display. 4. The navigation signal display device according to claim 1, wherein the screen display unit is a cathode ray tube display.