CN204331377U - Marine communication navigator signal tester - Google Patents
Marine communication navigator signal tester Download PDFInfo
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- CN204331377U CN204331377U CN201420873239.5U CN201420873239U CN204331377U CN 204331377 U CN204331377 U CN 204331377U CN 201420873239 U CN201420873239 U CN 201420873239U CN 204331377 U CN204331377 U CN 204331377U
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Abstract
A kind of marine communication navigator signal tester, comprise with two groups of serial line interfaces and the controller of signaling conversion circuit, the display be connected with controller and external input device, wherein: two groups of serial line interfaces are connected with tested ship communication navigator respectively.This device can read the digital signal that multiple marine communication navigator exports and show the information of data, as GPS, AIS, WIND, GYRO, SPEED, ECHO, ALARM, cabin data etc., thus the quality of this apparatus figure output interface can be judged fast.And the derived digital signal of these equipment can be simulated, corresponding digital signal can be provided to other equipment use, contribute to the maintenance of marine communication navigator and the equipment debugging of new shipbuilding.Navigating ship is equipped with this device, basic detection means can be provided, reduce the wrong report of the troublshooting of boats and ships.
Description
Technical field
The utility model relates to a kind of technology of electronic communication field, specifically a kind of marine communication navigator digital signal tester.
Background technology
Present marine communication navigation maintenance engineering technician go on board commissioning device time, often need the digital signal checking each equipment to export or input function whether working properly so that failure judgement point.But existing commercially do not have corresponding equipment to carry out detecting and simulating the digital signal of multiple shipborne equipment, and cannot simulate the output of multiple digital signal.
Utility model content
The utility model is for prior art above shortcomings, a kind of marine communication navigator signal tester is proposed, the digital signal that multiple marine communication navigator exports can be read and shows the information of data, as GPS, AIS, WIND, GYRO, SPEED, ECHO, ALARM, cabin data etc., thus the quality of this apparatus figure output interface can be judged fast.And the derived digital signal of these equipment can be simulated, corresponding digital signal can be provided to other equipment use, contribute to the maintenance of marine communication navigator and the equipment debugging of new shipbuilding.Navigating ship is equipped with this device, basic detection means can be provided, reduce the wrong report of the troublshooting of boats and ships.
The utility model is achieved through the following technical solutions:
The utility model comprises: with two groups of serial line interfaces and the controller of signaling conversion circuit, the display be connected with controller and external input device, wherein: two groups of serial line interfaces are connected with tested ship communication navigator respectively.
Described serial line interface and signaling conversion circuit thereof are specially RS232 interface, RS232 signaling conversion circuit, RS485 interface and RS485 signaling conversion circuit, wherein: RS485 interface and RS232 interface input with the digital signal of tested ship communication navigator respectively, output port is connected, RS232 signaling conversion circuit is connected with controller respectively with RS485 signaling conversion circuit, the digital signal inputted outside is sent into controller and is calculated, and the signal that controller exports can be converted to digital signal and exports port to.
The utility model can for format statement meet IEC61162 ?the conventional marine communication navigator digital signal of 1:2011 (NMEA01834.0) standard carry out reading, identify, show and sending.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is embodiment schematic flow sheet.
Fig. 3 is controller schematic diagram.
Fig. 4 is RS485 signaling conversion circuit schematic diagram.
Fig. 5 is RS232 signaling conversion circuit schematic diagram.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment comprises: with two groups of serial line interfaces 4,6 and the controller 1 of signaling conversion circuit 5,7, the display 3 be connected with controller 1 and external input device 2.
Described serial line interface and signaling conversion circuit thereof are specially RS232 interface 4, RS232 signaling conversion circuit 5, RS485 interface 6 and RS485 signaling conversion circuit 7, wherein: RS485 interface 6 and RS232 interface 4 input with the digital signal of tested ship communication navigator respectively, output port is connected, and RS232 signaling conversion circuit 5 is connected with controller 1 respectively with RS485 signaling conversion circuit 7.
As shown in Figure 3, described controller 1 is the chip U1 of STC12C5A60S2 model, comprise: one group of 8 bit data port D0 ~ D7 and eight function port Key1 ~ Key8, wherein: the power end VCC of this controller 1 is connected with 5V power supply, earth terminal GND is connected with earth potential and is provided with the 3rd electric capacity C3 between earth terminal and power end.
Described function port Key1 ~ Key8 is connected with external input device 2 respectively, selects for practical function selection, launch and accept, baud rate selection, auto-manual model selection, function Negative selection, automatic mode selection, manual mode and stops.
Described FPDP D0 ~ D7 is connected with liquid crystal display data terminal respectively, shows for liquid crystal content.
As shown in Figure 2, when described controller 1 receive meet IEC61162 ?1:2011 (NMEA01834.0) or IEC61162 ?1:2011 (NMEA01834.0) standard digital signal after can select corresponding baud rate by external input device 2, or directly the digital signal that conventional marine communication navigator exports to be shown by display 3.
As shown in Figure 4, described RS485 signaling conversion circuit 7 comprises: the chip U3 of MAX485 model, two resistance R4, R7, an electric capacity C8 and triode Q1, wherein: the data output end signal output part TXD of chip U3 respectively with the 4th resistance R4, one end of 7th resistance R7 and the emitter of the first triode Q1 are connected, the other end of the 7th resistance R7 is connected with the base stage of the first triode Q1, the pole electrode of the first triode Q1 respectively with one end of the 8th electric capacity C8, the earth terminal GND of chip U3 and earth potential are connected, the other end of the 4th resistance R4, the other end of the 8th electric capacity C8 and the power end VCC of chip U3 are connected with 5V power supply respectively, the signal receiving end signal input part RXD of chip U3 holds with the signal input part RXD of chip U1 and is connected, the signal output part TXD end of chip U3 is held with the signal output part TXD of U1 and is connected.
Described RS485 signaling conversion circuit 7 adopts single power supply+5V to work, and rated current is 300 μ A, adopts half duplex communication mode, complete Transistor-Transistor Logic level is converted to RS ?the function of 485 level.
As shown in Figure 5, described RS232 signaling conversion circuit 5 comprises: the chip U4 of MAX232 model, five electric capacity C9 ~ C13, wherein: the T1out end of chip U4 is connected with No. 2 foots of RS232 interface 4, the power end VCC of chip U4 is connected with 5V power supply, earth terminal GND is connected with earth potential and the 9th electric capacity C9 is connected between earth terminal GND and power end VCC, chip U4 C1+ end with C1 ?hold between be connected by the 11 electric capacity C11, chip U4 C2+ end with C2 ?hold between be connected by the 11 electric capacity C12, the V+ end of chip U4 is connected with 5V power supply by the tenth electric capacity C10, the V of chip U4 ?end be connected with earth potential by the 13 electric capacity C13, the signal output part TXD of chip U4 is connected with signal input part RXD with the signal output part TXD of chip U1 respectively with signal input part RXD.
Described RS232 signaling conversion circuit 5 adopts single power supply+5V to work, complete by 0 of TTL to+5V level conversion be RS ?232 ?10V to 10V level.
Claims (5)
1. a marine communication navigator signal tester, it is characterized in that, comprise: with two groups of serial line interfaces and the controller of signaling conversion circuit, the display be connected with controller and external input device, wherein: two groups of serial line interfaces are connected with tested ship communication navigator respectively.
2. marine communication navigator signal tester according to claim 1, it is characterized in that, described serial line interface and signaling conversion circuit thereof are specially RS232 interface, RS232 signaling conversion circuit, RS485 interface and RS485 signaling conversion circuit, wherein: RS485 interface and RS232 interface input with the digital signal of tested ship communication navigator respectively, output port is connected, and RS232 signaling conversion circuit is connected with controller respectively with RS485 signaling conversion circuit.
3. marine communication navigator signal tester according to claim 1, it is characterized in that, described controller is the chip U1 of STC12C5A60S2 model, comprise: a group octet FPDP and eight function ports, wherein: the power end of this controller is connected with 5V power supply, earth terminal is connected with earth potential and is provided with the 3rd electric capacity C3 between earth terminal and power end.
4. marine communication navigator signal tester according to claim 2, it is characterized in that, described RS485 signaling conversion circuit comprises: MAX485 chip U3, two resistance R4, R7, an electric capacity C8 and triode Q1, wherein: the data output end signal output part TXD of MAX485 chip U3 respectively with the 4th resistance R4, one end of 7th resistance R7 and the emitter of the first triode Q1 are connected, the other end of the 7th resistance R7 is connected with the base stage of the first triode Q1, the pole electrode of the first triode Q1 respectively with one end of the 8th electric capacity C8, the earth terminal GND of MAX485 chip U3 and earth potential are connected, the other end of the 4th resistance R4, the other end of the 8th electric capacity C8 and the power end VCC of MAX485 chip U3 are connected with 5V power supply respectively, the signal receiving end signal input part RXD of MAX485 chip U3 holds with the signal input part RXD of described controller and is connected, the signal output part TXD end of MAX485 chip U3 is held with the signal output part TXD of described controller and is connected.
5. marine communication navigator signal tester according to claim 2, it is characterized in that, described RS232 signaling conversion circuit comprises: MAX232 chip U4, five electric capacity C9 ~ C13, wherein: the T1out end of chip U4 is connected with No. 2 foots of RS232 interface, the power end VCC of chip U4 is connected with 5V power supply, earth terminal GND is connected with earth potential and the 9th electric capacity C9 is connected between earth terminal GND and power end VCC, MAX232 chip U4 C1+ end with C1 ?hold between be connected by the 11 electric capacity C11, MAX232 chip U4 C2+ end with C2 ?hold between be connected by the 11 electric capacity C12, the V+ end of MAX232 chip U4 is connected with 5V power supply by the tenth electric capacity C10, the V of MAX232 chip U4 ?end be connected with earth potential by the 13 electric capacity C13, the signal output part TXD of MAX232 chip U4 is connected with signal input part RXD with the signal output part TXD of described controller respectively with signal input part RXD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873239.5U CN204331377U (en) | 2014-12-30 | 2014-12-30 | Marine communication navigator signal tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873239.5U CN204331377U (en) | 2014-12-30 | 2014-12-30 | Marine communication navigator signal tester |
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| CN204331377U true CN204331377U (en) | 2015-05-13 |
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| CN201420873239.5U Active CN204331377U (en) | 2014-12-30 | 2014-12-30 | Marine communication navigator signal tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108227596A (en) * | 2018-03-10 | 2018-06-29 | 江苏物润船联网络股份有限公司 | Control and monitoring system for ships and power circuit |
| CN111064492A (en) * | 2019-12-24 | 2020-04-24 | 成都前锋电子仪器有限责任公司 | Radio frequency front end unit of portable communication and navigation tester |
-
2014
- 2014-12-30 CN CN201420873239.5U patent/CN204331377U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108227596A (en) * | 2018-03-10 | 2018-06-29 | 江苏物润船联网络股份有限公司 | Control and monitoring system for ships and power circuit |
| CN111064492A (en) * | 2019-12-24 | 2020-04-24 | 成都前锋电子仪器有限责任公司 | Radio frequency front end unit of portable communication and navigation tester |
| CN111064492B (en) * | 2019-12-24 | 2024-06-04 | 成都前锋电子仪器有限责任公司 | Radio frequency front end unit of portable communication and navigation tester |
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