CN214375946U - Marine compass synchronous signal converter - Google Patents
Marine compass synchronous signal converter Download PDFInfo
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- CN214375946U CN214375946U CN202120548443.XU CN202120548443U CN214375946U CN 214375946 U CN214375946 U CN 214375946U CN 202120548443 U CN202120548443 U CN 202120548443U CN 214375946 U CN214375946 U CN 214375946U
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Abstract
The utility model relates to a marine compass synchronous signal converter, including controlling means and drive arrangement, controlling means includes signal format conversion module, CPU module and digital voltage automatic adjustment module, drive arrangement includes power module, interface module and synchronous voltage output module; the signal format conversion module receives a first digital course signal of the main compass through the interface module, converts the received first digital course signal into a second digital course signal and then sends the second digital course signal to the CPU module, the CPU module converts the second digital course signal into an automatic tracking synchronous compass signal and sends the automatic tracking synchronous compass signal to the digital voltage automatic adjustment module, and the digital voltage automatic adjustment module adjusts the working voltage of the compass branch through the synchronous voltage output module according to the received automatic tracking synchronous compass signal. The utility model discloses can convert the digital course signal of received main compass into synchronous compass signal transmission to branch compass.
Description
Technical Field
The utility model relates to a signal conversion technology field especially relates to a marine compass synchronizing signal converter.
Background
As is well known, when a ship sails, the navigation method is very important for acquiring and processing a course signal, and not only can the ship be ensured to be in a correct channel, but also the ship can be ensured to be in a safe range, so that the compass needs a correct, reliable and timely signal.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a marine compass synchronizing signal converter is provided, can convert the digital course signal of received main compass into synchronous compass signal transmission to branch compass.
The utility model provides a technical scheme that its technical problem adopted is: the marine compass synchronous signal converter comprises a control device and a driving device, wherein the control device comprises a signal format conversion module, a CPU (central processing unit) module and a digital voltage automatic adjustment module, and the driving device comprises a power supply module, an interface module and a synchronous voltage output module; the interface module is connected with the signal format conversion module, the signal format conversion module is connected with the CPU module, the CPU module is connected with the digital voltage automatic adjustment module, and the power supply module supplies power to the signal format conversion module, the CPU module, the digital voltage automatic adjustment module and the synchronous voltage output module;
the signal format conversion module receives a first digital course signal of the main compass through the interface module, converts the received first digital course signal into a second digital course signal and then sends the second digital course signal to the CPU module, the CPU module converts the second digital course signal into an automatic tracking synchronous compass signal and sends the automatic tracking synchronous compass signal to the digital voltage automatic adjustment module, and the digital voltage automatic adjustment module adjusts the working voltage of the compass branch through the synchronous voltage output module according to the received automatic tracking synchronous compass signal.
The signal format conversion module comprises a photoelectric coupler, and the model of the photoelectric coupler is TLP 521.
The CPU module comprises a CPU chip, and the model of the CPU chip is ATMEGA 8.
The digital voltage automatic adjustment module is provided with a plurality of potentiometers, and each potentiometer is connected with a comparator.
The potentiometer is MCP42010 in model, and the comparator is TLC2254 in model.
The interface module comprises a first interface, a second interface and a third interface, wherein the first interface is used for connecting a transformer, the second interface is used for connecting a fan, and the third interface is used for connecting a main compass.
The third interface is an interface based on RS422 communication protocol.
The first digital heading signal is a digital heading signal based on an RS422 communication protocol, and the second digital heading signal is a digital heading signal based on an RS232 communication protocol.
Advantageous effects
Since the technical scheme is used, compared with the prior art, the utility model, have following advantage and positive effect: the utility model discloses can convert the digital course signal of the main compass that receives into synchronous compass signal and send to the branch compass to the drive divides the compass to point to the correct position, and signal conversion rate is fast, and is efficient; the utility model discloses marine compass synchronizing signal converter's synchronous real-time is good, can divide compass instruction heading according to the course signal drive that receives; the utility model discloses easy popularization is fit for modern boats and ships navigation and is used, and the practicality is stronger.
Drawings
Fig. 1 is a schematic structural diagram of a ship compass synchronous signal converter according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a signal format conversion module according to an embodiment of the present invention;
FIG. 3 is a circuit diagram of a CPU module according to an embodiment of the present invention;
fig. 4 is a circuit diagram of a digital voltage auto-adjustment module according to an embodiment of the present invention;
FIG. 5 is a circuit diagram of a synchronous voltage output module according to an embodiment of the present invention;
fig. 6 is a circuit diagram of an interface module according to an embodiment of the present invention;
fig. 7 is a circuit diagram of a power module according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The embodiment of the utility model relates to a marine compass synchronizing signal converter, as shown in fig. 1, including controlling means and drive arrangement, the controlling means includes signal format conversion module, CPU module and digital voltage automatic adjustment module, the drive arrangement includes power module, interface module and synchronous voltage output module; the interface module is connected with the signal format conversion module, the signal format conversion module is connected with the CPU module, and the CPU module is connected with the digital voltage automatic adjustment module; the power supply module provides power for the signal format conversion module, the CPU module, the digital voltage automatic adjustment module and the synchronous voltage output module;
the signal format conversion module receives a first digital course signal (a digital course signal in a NMEA0183 form) of the main compass through the interface module, converts the received first digital course signal into a second digital course signal and then sends the second digital course signal to the CPU module, the CPU module converts the second digital course signal into an automatic tracking synchronous compass signal and sends the automatic tracking synchronous compass signal to the digital voltage automatic adjustment module, and the digital voltage automatic adjustment module adjusts the working voltage of the branch compass through the synchronous voltage output module according to the received automatic tracking synchronous compass signal and is used for driving the branch compass to point to a correct direction, namely driving the branch compass to indicate the heading. In this embodiment, the first digital heading signal is a digital heading signal based on RS422 communication protocol, and the second digital heading signal is a digital heading signal based on RS232 communication protocol.
Further, as shown in fig. 2, the signal format conversion module includes a light emitting diode and a photocoupler, two ends of the light emitting diode are connected to the photocoupler, one output end of the photocoupler is provided with a pull-up resistor, the other output end of the photocoupler is grounded, and the photocoupler is TLP521 in model.
Further, as shown in fig. 3, the CPU module includes a CPU chip, where the CPU chip is of an ATMEGA8 type, a CS output terminal of the ATMEGA8 chip corresponds to a PB2 pin, an SI output terminal corresponds to a PB3 pin, an SCK output terminal corresponds to a PB5 pin, and a PB6 pin and a PB7 pin are connected to a crystal oscillator; the PD1 pin, PD2 pin and PD3 pin are connected to trigger switch elements (i.e., manual adjustment switch buttons) S4, S3 and S2, respectively.
Furthermore, the digital voltage automatic adjustment module is used for comparing the automatic tracking synchronous compass signal output by the CPU module with the 9V alternating current reference voltage and then automatically adjusting the working voltage of the compass branch motor; as shown in fig. 4, the digital voltage automatic adjustment module is provided with several potentiometers (digital potentiometers), connectors JP2 and 4053 chips; the potentiometer in the present embodiment includes a first potentiometer connected to a first comparator and a second comparator, and a second potentiometer connected to a third comparator. The models of the first potentiometer and the second potentiometer are MCP42010, and the models of the first comparator, the second comparator and the third comparator are TLC 2254; as can be seen from fig. 4, the CS input terminal, the SCK input terminal, and the SI input terminal of the first potentiometer, and the CS input terminal and the SCK input terminal of the second potentiometer are used for receiving signals from corresponding output terminals of the CPU module, and the SO output terminal of the first potentiometer is connected to the SI input terminal of the second potentiometer. The first comparator output PW11, the second comparator output PW01, and the third comparator output PW12 are connected to the output a, the output C, and the output B of the connector JP 2. Specifically, the 4053 chip compares the orientation change signals received from the CPU module by the first potentiometer and the second potentiometer with the 9V reference voltage to generate an orientation deviation voltage (i.e., the PB11 output terminal, the PB12 output terminal, and the PB01 output terminal of the 4053 chip are used for outputting the deviation voltage), and the first potentiometer and the second potentiometer output the generated orientation deviation voltage to the synchronous voltage output module through the respective connected comparators via the connector JP 2.
Further, as shown in fig. 5, the synchronous voltage output module includes R, S, T three-phase power supply mode, where the R phase is connected to the output terminal a of the connector JP2 in the digital voltage automatic adjustment module, the S phase is connected to the output terminal B of the connector JP2 in the digital voltage automatic adjustment module, and the T phase is connected to the output terminal C of the connector JP2 in the digital voltage automatic adjustment module; in the embodiment, the R phase, the S phase and the T phase all adopt the LM3886TF as chips, and the LM3886TF is a high-power analog amplifier device, so that the high-power analog amplifier device has relatively perfect overvoltage, overcurrent and overheat protection functions, and ensures that a peripheral compass branch motor can smoothly rotate, so that azimuth tracking of the compass branch is free from deviation.
Further, as shown in fig. 6, the interface module includes a first interface, a second interface and a third interface, the first interface is used for connecting the transformer, the second interface is used for connecting the fan, and the third interface is used for connecting the main compass and receiving the heading signal of the main compass; the third interface is an interface based on RS422 communication protocol.
Further, as shown in fig. 7, the power module converts the input 220V ac ship power into 3.7V ac voltage after internal transformation, and further converts the voltage into 5V dc voltage to provide working voltage for other modules.
It should be noted that the ship compass synchronizing signal converter in the embodiment supports 5 compass branches, can provide correct real-time azimuth information for a ship, and in actual use, it is required to ensure that the ship compass synchronizing signal converter and surrounding objects are both at a distance of more than 10cm, so as to facilitate air flow and accelerate heat dissipation. Before use, a transmission ratio of a compass branch needs to be set, and the gear of the switch is well adjusted; if the comparison setting is incorrect, the compass repeater can not normally track the reading of the main compass, and the compass repeater in the embodiment is a 38-1 type compass manufactured by Shanghai navigation sea instrument main works.
Therefore, the utility model discloses can convert the digital course signal of the main compass that receives into synchronous compass signal and send to the branch compass to the drive divides the compass to point to correct position, and signal conversion is fast, and is efficient; the utility model discloses marine compass synchronizing signal converter's synchronous real-time is good, can divide compass instruction heading according to the course signal drive of receiving.
Claims (8)
1. A ship compass synchronous signal converter is characterized by comprising a control device and a driving device, wherein the control device comprises a signal format conversion module, a CPU module and a digital voltage automatic adjustment module, and the driving device comprises a power supply module, an interface module and a synchronous voltage output module; the interface module is connected with the signal format conversion module, the signal format conversion module is connected with the CPU module, the CPU module is connected with the digital voltage automatic adjustment module, and the power supply module supplies power to the signal format conversion module, the CPU module, the digital voltage automatic adjustment module and the synchronous voltage output module;
the signal format conversion module receives a first digital course signal of the main compass through the interface module, converts the received first digital course signal into a second digital course signal and then sends the second digital course signal to the CPU module, the CPU module converts the second digital course signal into an automatic tracking synchronous compass signal and sends the automatic tracking synchronous compass signal to the digital voltage automatic adjustment module, and the digital voltage automatic adjustment module adjusts the working voltage of the compass branch through the synchronous voltage output module according to the received automatic tracking synchronous compass signal.
2. The marine compass synchronous signal converter according to claim 1, wherein the signal format conversion module comprises a photocoupler, and the model of the photocoupler is TLP 521.
3. The marine compass synchronous signal converter of claim 1, wherein the CPU module comprises a CPU chip, the CPU chip having a model number ATMEGA 8.
4. The ship compass synchronous signal converter according to claim 1, wherein the digital voltage automatic adjustment module is provided with a plurality of potentiometers, and each potentiometer is connected with a comparator.
5. The marine compass synchronous signal converter according to claim 4, wherein the potentiometer is of the type MCP42010, and the comparator is of the type TLC 2254.
6. The marine compass synchronous signal converter according to claim 1, wherein the interface module comprises a first interface, a second interface and a third interface, the first interface is used for connecting a transformer, the second interface is used for connecting a fan, and the third interface is used for connecting a main compass.
7. The marine compass-synchronous signal converter according to claim 6, wherein the third interface is an interface based on an RS422 communication protocol.
8. The marine compass synchronous signal converter of claim 1, wherein the first digital heading signal is a digital heading signal based on an RS422 communication protocol, and the second digital heading signal is a digital heading signal based on an RS232 communication protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120548443.XU CN214375946U (en) | 2021-03-17 | 2021-03-17 | Marine compass synchronous signal converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120548443.XU CN214375946U (en) | 2021-03-17 | 2021-03-17 | Marine compass synchronous signal converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214375946U true CN214375946U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120548443.XU Active CN214375946U (en) | 2021-03-17 | 2021-03-17 | Marine compass synchronous signal converter |
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|---|---|
| CN (1) | CN214375946U (en) |
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2021
- 2021-03-17 CN CN202120548443.XU patent/CN214375946U/en active Active
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