CN202033624U - Information generator of ship communication navigation apparatus - Google Patents
Information generator of ship communication navigation apparatus Download PDFInfo
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- CN202033624U CN202033624U CN2011200128967U CN201120012896U CN202033624U CN 202033624 U CN202033624 U CN 202033624U CN 2011200128967 U CN2011200128967 U CN 2011200128967U CN 201120012896 U CN201120012896 U CN 201120012896U CN 202033624 U CN202033624 U CN 202033624U
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Abstract
The utility model provides an information generator of ship communication navigation apparatus, comprising a micro-control unit module, a storage module, a control module and a serial port module, wherein the micro-control unit module is connected with the storage module, the control module and the serial port module; the memory module includes a memorizer storing ASCII format information in accordance with the NMEA standard; the control module includes a dial switch generating adjusting signals for adjusting the data transmitting baud rate and adjusting the information data type; the micro-control unit module includes a single chip microcomputer for reading the information transmitted by the storage module to a memory and sending the information to the serial port module in a serial mode at a baud rate determined by the adjusting signal; and the serial port module is a physical interface unit providing serial data for external equipment. According to the utility model, the information generator is capable of continuously outputting one or more ASCII format information data in accordance with the NMEA standard at the certain baud rate, according to the needs of a user, making it convenient for the user to develop, produce and maintain related equipment; in addition, the information generator has small volume, low cost and simple operation.
Description
Technical field
The utility model relates to boats and ships support equipment technical field, is specifically related to a kind of electronics and infotech utilized and realizes marine communication navigation standard information number generator.
Background technology
Marine communication navigator kind is more, mainly comprises GMDSS (Global Maritime Distress and Safety Syst) system, ARPA (automatic radar plotting aid), radar, compass, AIS (automatic recognition system), sounder, GPS (GPS) navigating instrument, VDR (Shipborne navigation data recorder), autopilot etc.Generally speaking, these communication navigation sets all are provided with general information sharing interface---RS232 (or RS485, RS422), and the information data that this interface transmitted meets NMEA (international ocean Institution of Electronics) regulation.
The RS232 interface function of marine communication navigator mainly shows two aspects: (1) realizes information sharing between the communication navigation set of different classes of, different model; (2) maintenance of separate unit communication navigation set and debugging.The development trend of marine communication navigator is the integrated and information fusion of many equipment.This just requires to provide in development, production and the maintenance process at equipment a kind of many equipment integrations that are applicable to, can export a certain categorical data and can export the information generator of diversiform data again simultaneously, the diversified information data of providing convenience for development, production and the maintenance of marine communication navigator.Prior art can only realize the information data output of single type by finished product marine communication navigator.The development of marine communication navigator, production and safeguard in these single or obtaining of diversified information data by connecting different finished product communication navigation sets obtain, this development, production for the marine communication navigator and safeguard in obtaining of data source be very uneconomical and inconvenient.
The utility model content
The utility model purpose is to provide a kind of simple to operate, information data output stable, and type is various, is convenient to the marine communication navigator information generator that the user carries out development, production and the maintenance of marine communication navigation relevant device.
The technical scheme that the utility model adopted is: a kind of marine communication navigator information generator is provided, comprise micro-control unit module, memory module, control module, serial port module, the micro-control unit module connects memory module, control module, serial port module respectively; Described memory module comprises a storer that has the ASCII fromat information that meets the NMEA standard, and with the standard interface of the data in the storer to described micro-control unit module transmission; Described control module comprises the toggle switch that produces the adjustment information data type and adjust data transmission baud rate, and the adjustment signal that toggle switch produces inputs to the micro-control unit module; Described serial port module is the physical interface unit that serial data is provided to external unit, and it comprises data after carrying out the converter of level conversion and output from the data of single-chip microcomputer and receiving conversion and the serial ports that carries out continuous information output to external unit; Described micro-control unit module comprises information of memory module read internal memory, and the data type of setting by control module with serial mode and the baud rate single-chip microcomputer that is sent to serial port module.
Preferably, described memory module adopts the CF card.
Further, described information data is stored according to grouping, and regulates data output type and output speed by toggle switch.
Further, observed data transmits situation when information generator is worked for convenience, marine communication navigator information generator also comprises the information display module, and described information display module comprises the observation circuit that connects and monitor described micro-control unit module data transmission.
Preferably, described micro-control unit module adopts STC89C58RD
+Single-chip microcomputer.
Compared with prior art, advantage of the present utility model is: the information data of a plurality of equipment that the marine communication navigator information generator of the utility model design is not only integrated, can also export a certain type equipment information data or a plurality of type equipment information data according to user's needs; The information data type can be revised arbitrarily, and can expand; Information data transmission baud rate is adjustable, information data output is stable; The information data generating process is realized total digitalization; Can utilize personal computer directly to revise information data source; In addition, this information generator volume is little, cost is low, simple to operate.
Description of drawings
Fig. 1 shows the schematic block diagram of the marine communication navigator information generator of the utility model embodiment.
Fig. 2 shows the circuit diagram of micro-control unit module of the marine communication navigator information generator of the utility model embodiment.
Fig. 3 shows the circuit diagram of memory module of the marine communication navigator information generator of the utility model embodiment.
Fig. 4 a transmits the baud rate circuit for adjusting data.
Fig. 4 b is an adjustment information data type circuit.
Fig. 5 shows the circuit diagram of serial port module of the marine communication navigator information generator of the utility model embodiment.
Fig. 6 shows the circuit diagram of information display module of the marine communication navigator information generator of the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Embodiment: extremely shown in Figure 6 as Fig. 1, a kind of marine communication navigator information generator is provided in the present embodiment, it is characterized in that: comprise micro-control unit (MCU) module, memory module, control module, serial port module and information display module, as shown in Figure 1, the micro-control unit module connects memory module, control module, serial port module and information display module respectively.
The micro-control unit module is responsible for the information of memory module data read to internal memory, then with these data with serial mode, be sent to serial port module according to certain baud rate, as shown in Figure 2, the processor adopting of micro-control unit module adopts STC89C58RD
+Single-chip microcomputer.STC89C58RD
+Single-chip microcomputer adopts the 5V power supply, has the Flash program storage of 32k byte, the RAM data-carrier store of 1280 bytes (satisfying the requirement of disposable access 512 byte datas), and backward compatible AT89C51 single-chip microcomputer is supported C programmer.Concrete implementation is (1) STC89C58RD
+Pin P0 mouth is as the data bus of visit memory module; (2) pin P2.0-P2.2 pin is as the address bus of visit memory module; (3) pin P1 mouth uses as control module I/O mouth.Pin P1.0-P1.3 mouth is used for the baud rate setting, and web tab is designated as BandRate0-BateRate3.Baud rate setting has been reserved 16 types, and this information generator has mainly been preset three kinds of 4800bps, 9600bps, 38400bps.Pin P1.4-P1.7 mouth is used for data type to be selected, and web tab is designated as DataType0-DataType3.Data type mainly is to discern at the information data of dissimilar equipment.Data type setting has been reserved 16 kinds, and this information generator has mainly been preset totally 15 kinds of AIS data, gps data, radar data, sounder data, VDR data types, and also having a kind of is the output type of mixing successively of all data types in 15.(4) pin P3.1-P3.2, P3.7, P2.3-P2.4 use as control bus.Pin P3.1 is the serial data transmitting terminal; Pin P3.2 is used to indicate the current information generator whether sending data.Pin P3.7 is that memory read enables; P2.3-P2.4 is that storer enables and the data-bus width setting.The micro-control unit module has also comprised the reset circuit, crystal oscillating circuit and the power supply unit that constitute minimum system and has graded.
Memory module comprises storer and standard interface, mainly finishes the storage and the transmission of information data, circuit such as Fig. 3.(1) storer: storer adopts CF (Compact Flash, integrated flash memory) card to realize.CF card memory capacity 1G byte.The information that has the ASCII(American Standard Code for information interchange) form that meets international ocean Institution of Electronics standard agreement in the CF card.This information is according to certain rale store, and promptly per 15 are recorded as 1 group, separates with the new line symbol between every record and the every group record.On behalf of data type position sequence number, 15 records in every group respectively in 15 kinds of marine navigation device data types and every group to fix.The mode of CF card pre-stored information data is in two steps: when (1) uses the CF card first, use PC format CF card earlier, set up a clear data text (as data.txt) then, utilize cylinder number, head number, the sector number at existing 16 WinHex of the system software for editing acquisition clear data text place of setting up, and default clear data size text is 800M.This step only need be carried out once; (2) utilize PC in the clear data text in accordance with regulations form write required information data.As:
AIVDM, 1,1,, B, 169Dec0P008fglrA:N847opd00SD, 0*21 (new line)
$GPZDA, 091048.00,14,01,2005,, * 61 (new line)
1 group of per in view of the above 15 behavior, but maximum pre-stored 800M information data.(2) standard interface: transmit to the micro-control unit module by the information of standard interface with memory stores.This module has adopted double nip, i.e. CF card and IDE (Integrated-Drive-Electronics, Integrated Development Environment) interface.Purpose is to strengthen range of application and can directly revise data source in the CF card by PC.CF_4.1 among Fig. 4 is the CF draw-in groove of standard, and model is the II type.The CF card can directly insert the CF draw-in groove and use.CF card operating voltage 5V, mode of operation adopts the IDE mode.IDE40 is the ide interface of standard among Fig. 4, pin number 40 pins; After the CF card inserted the CF draw-in groove of standard, the information data that is pre-stored in the CF card sent ide interface to by standard C F card draw-in groove interface.Ide interface again with information data to STC89C58RD
+Single-chip microcomputer transmits.Ide interface is connected to the key of CF card: the D00-D07 of CF_4.1 is connected with the D0-D7 of IDE40 respectively, is data bus; The A00-A02 of CF_4.1 is connected with the A0-A2 of IDE respectively, is address bus; The CS1 of CF_4.1, CS2 are connected with CS0, the CS1 of IDE respectively, realize the data-bus width selection; The RESET of CF_4.1 is connected with the RESET of IDE, realizes CF card reset operation.The D0-D7 of ide interface connects micro-control unit module STC89C58RD
+The pin P0.0-P0.7 of single-chip microcomputer is data bus; The A0-A2 of ide interface connects STC89C58RD
+The P2.0-P2.2 of single-chip microcomputer is address bus; 25 pins of ide interface meet STC89C58RD
+The P3.7 of single-chip microcomputer sends read signal to the CF card; 37,38 pins of ide interface meet STC89C58RD
+The P2.3 of single-chip microcomputer and P2.4 and be fixed as P2.3=1, P2.4=0, it is 8 (8 bit data bus width under the IDE pattern also need to cooperate to CF card characteristic register 0x01 write order) that data-bus width is set; 1 pin of ide interface meets STC89C58RD
+The P2.5 of single-chip microcomputer realizes CF card reset operation.The specific implementation process of memory module is for passing through STC89C58RD
+The P2.0-P2.2 of single-chip microcomputer sends successively that the data bit width is set is 8 order of the bit, cylinder number, head number, the sector number of the sector of reading is set and sends the reading of data order, STC89C58RD to ide interface A0-A2
+The P3.7 output low level of single-chip microcomputer is feasible to be read effectively, then STC89C58RD
+Single-chip microcomputer is to 37,38 pins difference input high level and the low level of IDE.Reading by the sector of CF card undertaken, and each read operation reads in STC89C58RD with 1 continuous 1 property of 512 byte datas in sector
+In between the buffer empty that single-chip microcomputer is set.
Control module mainly is to be used to adjust data to transmit baud rate and adjustment information data type, and it comprises that adjusting data transmits the toggle switch of baud rate and the toggle switch of adjustment information data type, circuit such as Fig. 4.Fig. 4 a transmits the baud rate circuit for adjusting data.4 pins of J2 interface connect STC89C58RD respectively
+The P1.0-P1.3 pin of single-chip microcomputer.Adjust the toggle switch of data transmission baud rate and can realize that speed such as 4800bps, 9600bps, 38400bps transmit, preset value is respectively 0000,0001,0010.Fig. 4 b is an adjustment information data type circuit.4 pins of J3 interface connect STC89C58RD respectively
+The P1.4-P1.7 pin of single-chip microcomputer.The data type that the toggle switch of adjustment information data type can be provided with has the mixing of AIS (ship automatic identification system) information, GPS information, radar information, sounder data, VDR (shipborne sailing data recording) information and above data etc., and preset value is respectively 0001,0010,0011,0100,0101,0000.For example toggle switch is if be set to 0001, and then the information data in the CF card will realize the continuous data of AIS information according to every one of 15 information data output.If be set to 0000, then the information data in the CF card realizes the continuous output of polymorphic type information with nonseptate continuous data.
Serial port module is the physical interface unit that serial data is provided to external unit, circuit such as Fig. 5, it comprises with the data after carrying out the converter of level conversion and output from the data of single-chip microcomputer and receiving conversion and to 9 needle serial ports (DB9) and DB9 that external unit carries out continuous information output and meets the RS232 interface protocol.The concrete chip MAX232 that adopts realizes STC89C58RD
+Level conversion between single-chip microcomputer and the DB9.Key Circuit is connected to STC89C58RD
+The P3.1 of single-chip microcomputer is connected with the 11 pin T1IN of MAX232, and the 14 pin T1OUT of MAX232 are connected with 2 pin RXD of DB9 interface, and information data transmits to external unit by the DB9 interface.According to the characteristics of marine communication navigator, also reserved the J8 interface that directly transmits serial data without level conversion.Its specific implementation is implemented with reference to the accompanying drawings, does not repeat them here.
The information display module can realize whether the prompting user has data in functions such as transmission, and as shown in Figure 6, it comprises LED lamp observation circuit.Wherein, STC89C58RD is adopted in the data transfer state prompting
+The P3.3 pin output level of single-chip microcomputer is just controlled the LED lamp on/off and is decided.
The information generator major function that the utility model provides is to realize the marine communication navigation information ASCII fromat output of simulation, its at first will need the information data exported in accordance with regulations form deposit the CF card in.Prescribed form is: per 15 types of information datas are 1 group, the position that the information data of distinct device is corresponding different, and position number the toggle switch preset value to be set with the type in the control module consistent.To separate with the new line symbol between every information data.Storage successively in view of the above.
Then, select device type and data to transmit baud rate by the toggle switch of control module.
Last log-on message generator will be according to the continuous output information data of selecting to determine of device type, baud rate on serial ports.
Claims (7)
1. marine communication navigator information generator, it is characterized in that: comprise micro-control unit module, memory module, control module and serial port module, described micro-control unit module connects memory module, control module and serial port module respectively; Described memory module comprises that a storage meets the ASCII fromat memory of data of NMEA regulation, and the standard interface that the information of memory stores is transmitted to described micro-control unit module; Described control module comprises producing adjusts the toggle switch that data transmit the adjustment signal of baud rate and adjustment information data type, and described control module exports the adjustment signal that toggle switch produces to described micro-control unit module.
2. marine communication navigator information generator according to claim 1 is characterized in that: described memory module adopts the CF card.
3. marine communication navigator information generator according to claim 1 and 2 is characterized in that: described information data is stored according to being grouped in described memory module, and regulates data output type and output speed by toggle switch.
4. marine communication navigator information generator according to claim 1 and 2, it is characterized in that: described serial port module is the physical interface unit that serial data is provided to external unit, and it comprises data after carrying out the converter of level conversion and output from the data of single-chip microcomputer and receiving conversion and the serial ports that carries out continuous information output to external unit.
5. marine communication navigator information generator according to claim 1 and 2, it is characterized in that: described micro-control unit module comprises information of memory module read internal memory, and the data type of setting by control module with serial mode and the baud rate single-chip microcomputer that is sent to serial port module.
6. marine communication navigator information generator according to claim 1 and 2, it is characterized in that: marine communication navigator information generator also comprises the information display module, and described information display module comprises the observation circuit that connects and monitor described micro-control unit module data transmission.
7. marine communication navigator information generator according to claim 1 and 2 is characterized in that: described micro-control unit module adopts STC89C58RD
+Single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200128967U CN202033624U (en) | 2011-01-13 | 2011-01-13 | Information generator of ship communication navigation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200128967U CN202033624U (en) | 2011-01-13 | 2011-01-13 | Information generator of ship communication navigation apparatus |
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| CN202033624U true CN202033624U (en) | 2011-11-09 |
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| CN2011200128967U Expired - Lifetime CN202033624U (en) | 2011-01-13 | 2011-01-13 | Information generator of ship communication navigation apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183906A (en) * | 2011-01-13 | 2011-09-14 | 浙江海洋学院 | Information generator of marine communication navigation device |
| CN110361762A (en) * | 2019-08-19 | 2019-10-22 | 南京俊禄科技有限公司 | The polar reception device of automatic identification NMEA |
| CN116506513A (en) * | 2023-06-26 | 2023-07-28 | 广州中海电信有限公司 | System for adjusting ship data transmission in real time according to ship navigation state |
-
2011
- 2011-01-13 CN CN2011200128967U patent/CN202033624U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183906A (en) * | 2011-01-13 | 2011-09-14 | 浙江海洋学院 | Information generator of marine communication navigation device |
| CN110361762A (en) * | 2019-08-19 | 2019-10-22 | 南京俊禄科技有限公司 | The polar reception device of automatic identification NMEA |
| CN116506513A (en) * | 2023-06-26 | 2023-07-28 | 广州中海电信有限公司 | System for adjusting ship data transmission in real time according to ship navigation state |
| CN116506513B (en) * | 2023-06-26 | 2023-09-26 | 广州中海电信有限公司 | System for adjusting ship data transmission in real time according to ship navigation state |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111109 Effective date of abandoning: 20130306 |
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| RGAV | Abandon patent right to avoid regrant |