CN204758822U - Marine digital radar communication interface device - Google Patents
Marine digital radar communication interface device Download PDFInfo
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- CN204758822U CN204758822U CN201520481873.9U CN201520481873U CN204758822U CN 204758822 U CN204758822 U CN 204758822U CN 201520481873 U CN201520481873 U CN 201520481873U CN 204758822 U CN204758822 U CN 204758822U
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Abstract
The utility model discloses a marine digital radar communication interface device, including incoming signal polarity automatic switching unit, incoming signal baud rate automatic identification unit and incoming signal classification automatic identification unit, incoming signal polarity automatic switching unit is used for being connected with digital radar peripheral equipment, when digital radar peripheral equipment incoming signal's wiring polarity is incorrect, and incoming signal polarity automatic switching unit automatic switching 3 and digital radar peripheral equipment's connecting wire preface, incoming signal baud rate automatic identification unit is used for automatic identification digit radar peripheral equipment incoming signal's baud rate, incoming signal classification automatic identification unit is used for automatic identification digit radar peripheral equipment incoming signal's classification. The utility model has the advantages of simple structure, safe and reliable, convenient operation, efficient, through the utility model discloses on -the -spot installer need not distinguish incoming signal's polarity, just can accomplish digital radar peripheral equipment's installation, debugging work smoothly.
Description
Technical field
The utility model relates to a kind of digital radar system peculiar to vessel, especially relates to a kind of digital radar communication interface of automatic identification peripherals input signal.
Background technology
Along with the development of industry, can get more and more, as digital radar peripherals such as log, water thermometer, wind instrument, AIS (ship automatic identification system), gyro compasses for the device category of navigation at present.Want to fully utilize the information that this kind equipment provides, just need it to be connected with main equipments such as digital radar, sea chart machines.Traditional communication interface mode mainly adopts serial bus interface mode, when installing at the scene, installation personnel needs the positive-negative polarity correctly distinguishing digital radar peripherals input signal, and according to the kind of the equipment baud rate at digital radar parameter interface change equipment, to obtain the signal of equipment; Sometimes also need to be connected to corresponding digital radar data input port according to the singularity of equipment.This connected mode not only operates inconvenience, is also easy to make mistakes, and carries out installing, debugs and add difficulty to installation personnel.Once there is mistake, operating personnel are generally also difficult to distinguish that input signal wrong or digital radar data input port select mistake, or parameter is unmodified, these problems annoying the maintenance of equipment personnel of in-site installation personnel and digital radar peculiar to vessel always.
Utility model content
The purpose of this utility model is to provide a kind of digital radar communication interface peculiar to vessel, it has the advantage that structure is simple, safe and reliable, easy to operate, efficiency is high, do not need by the utility model in-site installation personnel the polarity distinguishing input signal, just can complete installation, the debugging efforts of digital radar peripherals smoothly.
For solving in prior art, when connecting digital radar peripherals, in-site installation personnel or maintenance of equipment personnel need the polarity correctly distinguishing input signal, install, debugging difficulty is large, and once there is connection error, the technical matters of not easily misjudgment reason, a kind of digital radar communication interface peculiar to vessel of the utility model, comprise the automatic converting unit of input signal polarity, input signal baud rate automatic identification unit and input signal classification automatic identification unit
The automatic converting unit of input signal polarity is used for being connected with digital radar peripherals, and when the wiring polarity of digital radar peripherals input signal is incorrect, the automatic converting unit of input signal polarity exchanges the connecting line sequence with digital radar peripherals automatically;
Input signal baud rate automatic identification unit is used for the universal serial bus protocol according to digital radar peripherals, by detecting the characteristic character of digital radar peripherals input signal, the baud rate of automatic discriminating digit radar peripherals input signal;
Input signal classification automatic identification unit is used for the universal serial bus protocol according to digital radar peripherals, by detecting the characteristic character of digital radar peripherals input signal, the classification of automatic discriminating digit radar peripherals input signal.
Further, a kind of digital radar communication interface peculiar to vessel of the utility model, the automatic converting unit of wherein said input signal polarity comprises the sub-CN1 of NEMA bus input end, input signal polarity handover module, input signal filtration module and the RS422 driver D13 that are linked in sequence.
Further, a kind of digital radar communication interface peculiar to vessel of the utility model, the pin 1 of the sub-CN1 of wherein said NEMA bus input end is connected with the input end of input signal polarity handover module respectively with pin 2, the positive pole of diode D1 is connected on the circuit between the pin 1 of input terminal CN1 and input signal polarity handover module input end, the negative pole of diode D1 to be connected between the pin 2 of input terminal CN1 and input signal polarity handover module input end on circuit, the negative pole of diode D2 is connected on the circuit between the pin 1 of input terminal CN1 and input signal polarity handover module input end, the plus earth of diode D2, the negative pole of diode D3 is connected on the circuit between the pin 2 of input terminal CN1 and input signal polarity handover module input end, the plus earth of diode D3.
Further, a kind of digital radar communication interface peculiar to vessel of the utility model, wherein said input signal polarity handover module comprises relay J DQ1, relay J DQ2, diode D601, diode D602, triode Q601, triode Q603, resistance R601, resistance R602, resistance R603, resistance R604, the normally closed point of relay J DQ1 is connected with the pin 1 of the sub-CN1 of NEMA bus input end, the normally closed point of relay J DQ2 is connected with the pin 2 of the sub-CN1 of NEMA bus input end, the common ground of relay J DQ1 is connected with the input end of input signal filtration module as the end exporting input signal polarity handover module respectively with the common ground of relay J DQ2, the normally closed point of relay J DQ1 is connected with normal battle of relay J DQ2 and normally closed point respectively with normal battle,
Input control pin 2 is connected after the positive pole of the input control pin 1 series diode D601 of relay J DQ1, the input control pin 2 of relay J DQ1 is connected with+5V power supply, the input control pin 1 of relay J DQ1 is connected with the collector of triode Q601, be connected with control circuit after the base series resistor R601 of triode Q601, the grounded emitter of triode Q601, resistance R602 one end is connected with the emitter of triode Q601, and the resistance R602 other end is connected on the circuit between resistance R601 and control circuit;
Input control pin 2 is connected after the positive pole of the input control pin 1 series diode D602 of relay J DQ2, the input control pin 2 of relay J DQ2 is connected with+5V power supply, the input control pin 1 of relay J DQ2 is connected with the collector of triode Q602, be connected with control circuit after the base series resistor R603 of triode Q602, the grounded emitter of triode Q602, resistance R604 one end is connected with the emitter of triode Q602, and the resistance R604 other end is connected on the circuit between resistance R603 and control circuit.
Further, a kind of digital radar communication interface peculiar to vessel of the utility model, wherein said input signal filtration module comprises resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, inductance L 1, inductance L 2, electric capacity C1 and electric capacity C2,
Connect the pin A of RS422 driver D13 after inductance L 1 resistance in series R1, the other end of inductance L 1 connects the common ground of relay J DQ1; One end of electric capacity C1 is connected on the circuit between inductance L 1 and resistance R1, the other end ground connection of electric capacity C1; One end of resistance R2 is connected on the circuit between inductance L 1 and resistance R1, and the other end of resistance R2 is connected with+5V power supply;
Connect the pin B of RS422 driver D13 after inductance L 2 resistance in series R3, the other end of inductance L 2 connects the common ground of relay J DQ2; One end of electric capacity C2 is connected on the circuit between inductance L 2 and resistance R3, the other end ground connection of electric capacity C2; Resistance R4 is in parallel with electric capacity C2;
One end of resistance R5 is connected on the circuit between inductance L 1 and resistance R1, and the other end of resistance R5 is connected on the circuit between inductance L 2 and resistance R3.
Further, a kind of digital radar communication interface peculiar to vessel of the utility model, the pin GND ground connection of wherein said RS422 driver D13, the pin VCC of RS422 driver D13 connects+5V power supply, ground connection after the pin VCC series capacitance C3 of RS422 driver D13, electric capacity C4 is in parallel with electric capacity C3, and electric capacity C3 adopts electrolytic condenser and positive pole is connected with the pin VCC of RS422 driver D13.
A kind of digital radar communication interface peculiar to vessel of the utility model compared with prior art, have the following advantages: the utility model adds input signal polarity auto-conversion function in existing communications interface unit, input signal baud rate automatic identification function and input signal classification automatic identification function, achieve digital radar peculiar to vessel by these three parts to be connected with safe and reliable between peripherals, operating personnel and maintenance personal do not need the polarity distinguishing input signal, just can ensure the correct access of digital radar peripherals, the data message of digital radar peripherals can be inputted by any passage, according to the input signal characteristic character of digital radar peripherals, by the baud rate of continuous switched input signal, can the classification of automatic identification input signal, do not need type and the baud rate of operating personnel's hand input-data, thus simplify installation, debugging, the difficulty of maintenance, improve efficiency.
Below in conjunction with embodiment shown in accompanying drawing, a kind of digital radar communication interface peculiar to vessel of the utility model is described in further detail:
Accompanying drawing explanation
Fig. 1 is the syndeton schematic diagram of a kind of digital radar communication interface peculiar to vessel of the utility model and digital radar display unit and peripherals;
Fig. 2 to Fig. 5 is the circuit diagram of the automatic converting unit of input signal polarity in a kind of digital radar communication interface peculiar to vessel of the utility model, and wherein Fig. 2 is the sub-CN1 of NEMA bus input end; Fig. 3 is input signal polarity handover module; Fig. 4 is input signal filtration module; Fig. 5 is RS422 driver D13;
Fig. 6 is the realization flow figure of input signal baud rate automatic identification unit and input signal classification automatic identification unit in a kind of digital radar communication interface peculiar to vessel of the utility model.
Embodiment
As shown in Figure 1, a kind of digital radar communication interface peculiar to vessel of the utility model comprises the automatic converting unit 01 of input signal polarity, input signal baud rate automatic identification unit 02 and input signal classification automatic identification unit 03, the automatic converting unit 01 of input signal polarity is for being connected with digital radar peripherals, when the wiring polarity of digital radar peripherals input signal is incorrect, the automatic converting unit 01 of input signal polarity exchanges the connecting line sequence with digital radar peripherals automatically; Input signal baud rate automatic identification unit 02 for the universal serial bus protocol according to digital radar peripherals, by detecting the characteristic character of each digital radar peripherals input signal, the baud rate of automatic discriminating digit radar peripherals input signal; Input signal classification automatic identification unit 03 for the universal serial bus protocol according to digital radar peripherals, by detecting the characteristic character of each digital radar peripherals input signal, the classification of automatic discriminating digit radar peripherals input signal.
The utility model by setting up the automatic converting unit 01 of input signal polarity, input signal baud rate automatic identification unit 02 and input signal classification automatic identification unit 03 in existing communications interface unit, achieve digital radar peculiar to vessel to be connected with safe and reliable between peripherals, operating personnel or maintenance personal is made not to need to distinguish the polarity of input signal when installation, debugging digital radar peripherals, just can ensure the correct access of digital radar peripherals, the data message of digital radar peripherals can be inputted by any passage; Simultaneously, according to the input signal characteristic character of digital radar peripherals in shipborne equipment universal serial bus protocol, by the baud rate of continuous switched input signal, automatically can detect, distinguish the classification of input signal, do not need operating personnel in the type of digital radar display interface manual input signals and baud rate, thus simplify the difficulty of installation, debugging, maintenance, improve work efficiency.
In this embodiment, the automatic converting unit of input signal polarity 01 comprises the sub-CN1 of NEMA bus input end, input signal polarity handover module, input signal filtration module and the RS422 driver D13 that are linked in sequence.
As shown in Figure 2, the pin 1 of the sub-CN1 of NEMA bus input end is connected with the input end of input signal polarity handover module respectively with pin 2, the positive pole of diode D1 is connected on the circuit between the pin 1 of input terminal CN1 and input signal polarity handover module input end, the negative pole of diode D1 to be connected between the pin 2 of input terminal CN1 and input signal polarity handover module input end on circuit, the negative pole of diode D2 is connected on the circuit between the pin 1 of input terminal CN1 and input signal polarity handover module input end, the plus earth of diode D2, the negative pole of diode D3 is connected on the circuit between the pin 2 of input terminal CN1 and input signal polarity handover module input end, the plus earth of diode D3.
As shown in Figure 3, input signal polarity handover module comprises relay J DQ1, relay J DQ2, diode D601, diode D602, triode Q601, triode Q603, resistance R601, resistance R602, resistance R603, resistance R604, the normally closed point of relay J DQ1 is connected with the pin 1 of the sub-CN1 of NEMA bus input end, the normally closed point of relay J DQ2 is connected with the pin 2 of the sub-CN1 of NEMA bus input end, and the common ground of relay J DQ1 is connected with the input end of input signal filtration module as output terminal respectively with the common ground of relay J DQ2; The normally closed point of relay J DQ1 is connected with normal battle of relay J DQ2 and normally closed point respectively with normal battle; Input control pin 2 is connected after the input control pin 1 series diode D601 of relay J DQ1, the input control pin 2 of relay J DQ1 is connected with+5V power supply, the input control pin 1 of relay J DQ1 is connected with the collector of triode Q601, be connected with the EGPIO12 of control circuit after the base series resistor R601 of triode Q601, the grounded emitter of triode Q601, resistance R602 one end is connected with the emitter of triode Q601, and the resistance R602 other end is connected on the circuit between resistance R601 and control circuit; Input control pin 2 is connected after the input control pin 1 series diode D602 of relay J DQ2, the input control pin 2 of relay J DQ2 is connected with+5V power supply, the input control pin 1 of relay J DQ2 is connected with the collector of triode Q602, be connected with the EGPIO13 of control circuit after the base series resistor R603 of triode Q602, the grounded emitter of triode Q602, resistance R604 one end is connected with the emitter of triode Q602, and the resistance R604 other end is connected on the circuit between resistance R603 and control circuit.
As shown in Figure 4, input signal filtration module comprises resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, inductance L 1, inductance L 2, electric capacity C1 and electric capacity C2, connect the pin A of RS422 driver D13 after inductance L 1 resistance in series R1, the other end of inductance L 1 connects the common ground of relay J DQ1; One end of electric capacity C1 is connected on the circuit between inductance L 1 and resistance R1, the other end ground connection of electric capacity C1; One end of resistance R2 is connected on the circuit between inductance L 1 and resistance R1, and the other end of resistance R2 is connected with+5V power supply; Connect the pin B of RS422 driver D13 after inductance L 2 resistance in series R3, the other end of inductance L 2 connects the common ground of relay J DQ2; One end of electric capacity C2 is connected on the circuit between inductance L 2 and resistance R3, the other end ground connection of electric capacity C2; Resistance R4 is in parallel with electric capacity C2; One end of resistance R5 is connected on the circuit between inductance L 1 and resistance R1, and the other end of resistance R5 is connected on the circuit between inductance L 2 and resistance R3.
As shown in Figure 5, RS422 driver D13 adopts SP490EEN, the pin GND ground connection of RS422 driver D13, the pin VCC of RS422 driver D13 connects+5V power supply, ground connection after the pin VCC series capacitance C3 of RS422 driver D13, electric capacity C4 is in parallel with electric capacity C3, and electric capacity C3 adopts electrolytic condenser and positive pole is connected with the pin VCC of RS422 driver D13.
The automatic converting unit of input signal polarity 01, by after above vibrational power flow, is isolated by input signal polarity handover module, input signal filtration module between NEMA bus input end CN1 and RS422 driver D13.The input positive signal IN422+ of the sub-CN1 of NEMA bus input end is connected respectively to the normally closed point of input signal polarity handover module repeat circuit JDQ1 and the normal battle of JDQ2, and the input positive signal IN422-of the sub-CN1 of NEMA bus input end is connected respectively to the normally closed point of input signal polarity handover module repeat circuit JDQ2 and the normal battle of JDQ1; The common ground of input signal polarity handover module repeat circuit JDQ1 is connected to the OUT422+ of input signal filtration module as the positive signal OUT422+ of 422, and the common ground of relay J DQ2 is connected to the OUT422-of input signal filtration module as the negative signal OUT422-of 422; The RS422+ of input signal filtration module is connected to the RS422+ of RS422 driver D13, and the RS422-of input signal filtration module is connected to the RS422-of RS422 driver D13; TXD1 and RXD2 of RS422 driver D13 is connected to display unit and the control module of digital radar.
When the input signal wiring of digital radar peripherals is correct, relay J DQ1 and relay J DQ2 is failure to actuate, and keeps normally off; When the input signal wiring of digital radar peripherals is incorrect, relay J DQ1 and relay J DQ2 action, by the control of control circuit be connected with input signal polarity handover module, the common ground of relay J DQ1 and relay J DQ2 is made to be connected to normal battle, thus exchange the connecting line sequence of input signal, ensure that the correctness of digital radar peripherals input signal polarity.
Process flow diagram as shown in Figure 6, identifies the utility model input signal baud rate and schematic illustration is made in the realization of input signal classification automatic identification function below automatically:
First it is pointed out that the utility model is the form according to shipborne equipment universal serial bus protocol, by judge various digital radar peripherals characteristic character (as " $ ", "! ") identify the classification of input signal and baud rate.Detailed process is as follows, after digital radar peripherals is connected to digital radar, by switching baud rate continuously and detecting all characters of input signal, when characteristic character being detected, according to the classification of digital radar peripherals corresponding to characteristic character, determine the classification of input signal, baud rate is now the baud rate of input signal; When having detected baud rate corresponding to all digital radar peripherals (as 2400bit/s, 4800bit/s ... all characteristic character is not found 115200bit/s), illustrate that the wiring polarity of input signal is incorrect, the connecting line sequence of switched input signal is carried out by pilot relay Q601 and Q602, and then according to the classification of said method determination input signal and baud rate.
Above embodiment is only the description carried out preferred implementation of the present utility model; the restriction not the utility model request protection domain carried out; under the prerequisite not departing from the utility model design concept and spirit; the various forms of distortion that this area engineering technical personnel make according to the technical solution of the utility model, all should fall in protection domain that claims of the present utility model determine.
Claims (6)
1. a digital radar communication interface peculiar to vessel, it is characterized in that: comprise the automatic converting unit of input signal polarity (01), input signal baud rate automatic identification unit (02) and input signal classification automatic identification unit (03)
The automatic converting unit of input signal polarity (01) is for being connected with digital radar peripherals, when the wiring polarity of digital radar peripherals input signal is incorrect, the automatic converting unit of input signal polarity (01) exchanges the connecting line sequence with digital radar peripherals automatically;
Input signal baud rate automatic identification unit (02) is for the universal serial bus protocol according to digital radar peripherals, by detecting the characteristic character of digital radar peripherals input signal, the baud rate of automatic discriminating digit radar peripherals input signal;
Input signal classification automatic identification unit (03) is for the universal serial bus protocol according to digital radar peripherals, by detecting the characteristic character of digital radar peripherals input signal, the classification of automatic discriminating digit radar peripherals input signal.
2. according to one according to claim 1 digital radar communication interface peculiar to vessel, it is characterized in that: the automatic converting unit of described input signal polarity (01) comprises the sub-CN1 of NEMA bus input end, input signal polarity handover module, input signal filtration module and the RS422 driver D13 that are linked in sequence.
3. according to one according to claim 2 digital radar communication interface peculiar to vessel, it is characterized in that: the pin 1 of the sub-CN1 of described NEMA bus input end is connected with the input end of input signal polarity handover module respectively with pin 2, the positive pole of diode D1 is connected on the circuit between the pin 1 of input terminal CN1 and input signal polarity handover module input end, the negative pole of diode D1 to be connected between the pin 2 of input terminal CN1 and input signal polarity handover module input end on circuit, the negative pole of diode D2 is connected on the circuit between the pin 1 of input terminal CN1 and input signal polarity handover module input end, the plus earth of diode D2, the negative pole of diode D3 is connected on the circuit between the pin 2 of input terminal CN1 and input signal polarity handover module input end, the plus earth of diode D3.
4. according to one according to claim 2 digital radar communication interface peculiar to vessel, it is characterized in that: described input signal polarity handover module comprises relay J DQ1, relay J DQ2, diode D601, diode D602, triode Q601, triode Q602, resistance R601, resistance R602, resistance R603, resistance R604, the normally closed point of relay J DQ1 is connected with the pin 1 of the sub-CN1 of NEMA bus input end, the normally closed point of relay J DQ2 is connected with the pin 2 of the sub-CN1 of NEMA bus input end, the common ground of relay J DQ1 is connected with the input end of input signal filtration module respectively with the output terminal of the common ground of relay J DQ2 as input signal polarity handover module, the normally closed point of relay J DQ1 is connected with normal battle of relay J DQ2 and normally closed point respectively with normal battle,
Input control pin 2 is connected after the positive pole of the input control pin 1 series diode D601 of relay J DQ1, the input control pin 2 of relay J DQ1 is connected with+5V power supply, the input control pin 1 of relay J DQ1 is connected with the collector of triode Q601, be connected with control circuit after the base series resistor R601 of triode Q601, the grounded emitter of triode Q601, resistance R602 one end is connected with the emitter of triode Q601, and the resistance R602 other end is connected on the circuit between resistance R601 and control circuit;
Input control pin 2 is connected after the positive pole of the input control pin 1 series diode D602 of relay J DQ2, the input control pin 2 of relay J DQ2 is connected with+5V power supply, the input control pin 1 of relay J DQ2 is connected with the collector of triode Q602, be connected with control circuit after the base series resistor R603 of triode Q602, the grounded emitter of triode Q602, resistance R604 one end is connected with the emitter of triode Q602, and the resistance R604 other end is connected on the circuit between resistance R603 and control circuit.
5. according to one according to claim 2 digital radar communication interface peculiar to vessel, it is characterized in that: described input signal filtration module comprises resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, inductance L 1, inductance L 2, electric capacity C1 and electric capacity C2,
Connect the pin A of RS422 driver D13 after inductance L 1 resistance in series R1, the other end of inductance L 1 connects the common ground of relay J DQ1; One end of electric capacity C1 is connected on the circuit between inductance L 1 and resistance R1, the other end ground connection of electric capacity C1; One end of resistance R2 is connected on the circuit between inductance L 1 and resistance R1, and the other end of resistance R2 is connected with+5V power supply;
Connect the pin B of RS422 driver D13 after inductance L 2 resistance in series R3, the other end of inductance L 2 connects the common ground of relay J DQ2; One end of electric capacity C2 is connected on the circuit between inductance L 2 and resistance R3, the other end ground connection of electric capacity C2; Resistance R4 is in parallel with electric capacity C2;
One end of resistance R5 is connected on the circuit between inductance L 1 and resistance R1, and the other end of resistance R5 is connected on the circuit between inductance L 2 and resistance R3.
6. according to one according to claim 2 digital radar communication interface peculiar to vessel, it is characterized in that: the pin GND ground connection of described RS422 driver D13, the pin VCC of RS422 driver D13 connects+5V power supply, ground connection after the pin VCC series capacitance C3 of RS422 driver D13, electric capacity C4 is in parallel with electric capacity C3, and electric capacity C3 adopts electrolytic condenser and positive pole is connected with the pin VCC of RS422 driver D13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520481873.9U CN204758822U (en) | 2015-07-01 | 2015-07-01 | Marine digital radar communication interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520481873.9U CN204758822U (en) | 2015-07-01 | 2015-07-01 | Marine digital radar communication interface device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204758822U true CN204758822U (en) | 2015-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520481873.9U Expired - Fee Related CN204758822U (en) | 2015-07-01 | 2015-07-01 | Marine digital radar communication interface device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204758822U (en) |
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2015
- 2015-07-01 CN CN201520481873.9U patent/CN204758822U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160701 |