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CN113706850B - Remote control unit based on VHF frequency band radio station - Google Patents

Remote control unit based on VHF frequency band radio station Download PDF

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Publication number
CN113706850B
CN113706850B CN202110996679.4A CN202110996679A CN113706850B CN 113706850 B CN113706850 B CN 113706850B CN 202110996679 A CN202110996679 A CN 202110996679A CN 113706850 B CN113706850 B CN 113706850B
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port
output
gpio
radio station
input
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CN113706850A (en
Inventor
潘明达
倪侃俊
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Shanghai Advanced Avionics Co ltd
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Shanghai Advanced Avionics Co ltd
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    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3822Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Small-Scale Networks (AREA)

Abstract

The invention discloses a remote control unit based on a VHF frequency band radio station, which comprises a radio station general input/output port control board and a connector for adapting to the radio station, wherein the radio station general input/output port control board comprises a wiring terminal, a control chip and a network interface, the wiring terminal is connected with the connector and the control chip, and the control chip is remotely connected to an upper computer through the network interface; the control chip is burnt with a port control program. The invention sets a control board connected with the radio station, takes an Ethernet interface of the control board as a port for network data connection, and realizes the remote control of the radio station and the display state of the upper computer through self-defining GPIO interface control information; the Ethernet interface receives the GPIO interface control message sent by the upper computer, and outputs the high-low level of the GPIO according to the content of the message, so as to realize remote control of the radio station; and meanwhile, the state information of the GPIO is read and fed back to the upper computer through the Ethernet interface, so that the remote monitoring of the state of the radio station is realized.

Description

Remote control unit based on VHF frequency band radio station
Technical Field
The invention relates to a control device, in particular to a remote control unit based on a VHF frequency band radio station.
Background
The radio station is called as a station for short, and is provided with a station for transmitting and receiving radio signal equipment, an intercom station for realizing voice transmission, data transmission and the like. Very High Frequency (VHF) is one of the most dominant communication means for offshore radio mobile services, the frequency range of VHF radio: 156-174MHz. The system can carry out ship distress, emergency, safety communication and daily business communication, and is also an important communication tool for search and rescue operation, coordination avoidance among ships and ship traffic service system (VTS). The international maritime organization has a great importance on the specification and use of the VHF band, requiring that each member country ensure that the VHF radio operators of the watercraft use the VHF band correctly to carry out the transmission of distress, emergency, safety and navigation information. With the development of the marine transportation industry, the number of ships on the sea is rapidly increased, meanwhile, the ships are increasingly large, high-speed and automatic to develop, the navigation density is rapidly increased, and the requirements on water safety communication are more strict.
The water safety communication is an indispensable means for water transportation safety guarantee, is a basic element of water safety supervision and rescue, and relates to various links of water ship safety supervision through the whole process of ship distress rescue. VHF wireless communication is an important component of the water safety communication system, and is a communication mode specified by IMO and dedicated to ships and shore and between ships in coastal and offshore waters. The VHF communication system is an indispensable emergency reflection facility for guaranteeing the navigation safety of the ship, and is the most effective communication mode between the water ship and the shore and between the ships.
However, the VHF communication system in the existing water safety communication system is independent, the equipment operation is complex, and if the VHF radio station is subjected to frequency modulation and tuning, the operation and the state checking are required to be carried out through independent display control equipment, so that remote control cannot be realized; and the requirement of centralized display and unified control cannot be met for a plurality of VHF radio stations.
Therefore, it is necessary to provide a remote control unit based on VHF radio stations, which realizes systemization, integration and standardization of a water safety communication system, and can perform unified VHF radio station control and status display through a corresponding ship informatization system.
Disclosure of Invention
The invention aims to provide a remote control unit based on a VHF (very high frequency) radio station, which solves the problem that the existing VHF radio station cannot be remotely controlled.
The invention provides a remote control unit based on a VHF frequency band radio station, which comprises a radio station general input/output port control board and a connector for adapting to the radio station, wherein the radio station general input/output port control board comprises a wiring terminal, a control chip and a network interface, the wiring terminal is connected with the connector and the control chip, and the control chip is remotely connected to an upper computer through the network interface; the control chip is burnt with a port control program, and the port control program comprises a control unit and a signal feedback unit; the control chip is connected to the VHF radio by a connector.
Further, the connector is a connector of DB26, the connector is a 26PIN, and the connector is provided with a power input port, a power output port and a general input/output port.
Further, the PIN definition of the connector includes: the power input port PIN2, the ground port PIN21, the power output port PIN3, the voltage of power output is 13.2V, the output current is less than or equal to 1A, the general input/output ports PIN4, PIN12, PIN20, PIN22 and PIN23 are sequentially adjusted in volume, volume down, reference frequency band, frequency band up and frequency band down.
Further, the wiring terminal of the radio station general input/output port control board is a 2.54 wiring terminal, and the wiring terminal is connected with the power port, the grounding port and the general input/output port of the connector; the network interface of the control board of the general input/output port of the radio station is an Ethernet interface, the network interface is connected with an upper computer to receive remote control information of the upper computer, and the control chip converts the control information into high-low level output of the general input/output port; the control chip reads the state of the general input/output port and feeds the state back to the upper computer.
Further, the remote control message includes a GPIO direction configuration message, a GPIO output setting message, a GPIO output feedback message, and a GPIO input report message, where the GPIO direction configuration message defines a general purpose input/output port as an input port or an output port; the GPIO output setting message sets the output state of the output port; the GPIO output feedback message feeds back the execution state of the output setting message; the GPIO input report message feeds back the input state of the current input port.
Further, when the corresponding field of the port set by the GPIO direction configuration message is O, the port is set as an output port, and when the corresponding field is I or is empty, the port is set as an input port; when the field corresponding to the port set by the GPIO output setting message is 0, the port outputs a low level, when the corresponding field is 1, the port outputs a high level, when the corresponding field is 2, the port outputs a low level pulse, and when the corresponding field is 3, the port outputs a high level pulse; when the execution state field of the port corresponding to the GPIO output feedback message is N, the port output is not executed, and when the execution state field of the corresponding port is A, the port output is executed completely; when the input state field of the port corresponding to the GPIO input report message is 0, the port inputs a low level, and when the input state field of the corresponding port is 1, the port inputs a high level.
Further, the control unit comprises a control network module and a control interface module, wherein the control network module receives the GPIO direction configuration message and the GPIO output setting message sent by the upper computer through the Ethernet interface, analyzes the configuration and setting content of the GPIO direction configuration message and the GPIO output setting message according to the definition of the general input/output port, and transmits the configuration and setting content to the control interface module; the control interface module receives the configuration and setting content transmitted by the control network module, converts and packages the configuration and setting content into a general DB26 interface command of the VHF radio station, and sends the interface command to the radio station to realize remote control of the VHF radio station.
Further, the signal feedback unit comprises a signal interface module and a signal network module, wherein the signal interface module receives a feedback signal of the VHF radio station through a connector, analyzes feedback and report contents according to the definition of the general input/output port, and transmits the feedback and report contents to the signal network module; the network module converts and packages feedback and report contents transmitted by the signal interface module into GPIO output feedback and GPIO input reports; and the signals are output to an upper computer through an Ethernet interface, so that the signal feedback acquisition of the VHF radio station is realized.
Compared with the prior art, the invention has the following beneficial effects: the remote control unit based on the VHF frequency band radio station provided by the invention is provided with the control board connected with the radio station, an Ethernet interface of the control board is used as a port for network data connection, and the remote control of the radio station and the display state of the upper computer are realized through self-defining GPIO interface control information; the Ethernet interface receives the GPIO interface control message sent by the upper computer, and outputs the high-low level of the GPIO according to the content of the message, so as to realize remote control of the radio station; and meanwhile, the state information of the GPIO is read and fed back to the upper computer through the Ethernet interface, so that the remote monitoring of the state of the radio station is realized.
Drawings
Fig. 1 is a schematic diagram of a remote control unit based on a VHF band radio station according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a connector of a remote control unit based on a VHF band radio station according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a schematic diagram of a remote control unit based on a VHF band radio station according to an embodiment of the present invention.
Referring to fig. 1, a remote control unit based on a VHF radio station according to an embodiment of the present invention includes a station general purpose input/output port control board and a connector adapted to the radio station, where the station general purpose input/output port control board includes a connection terminal, a control chip and a network interface, the connection terminal is connected to the connector and the control chip, and the control chip is remotely connected to an upper computer through the network interface; the control chip is burnt with a port control program, and the port control program comprises a control unit and a signal feedback unit; the control chip is connected to the VHF radio by a connector.
Referring to fig. 2, in the remote control unit based on the VHF radio station according to the embodiment of the present invention, the connector is a DB26 connector, the connector is a 26PIN connector, and the connector is provided with a power input port, a power output port, and a general input/output port. The PIN definition of the connector includes: the power input port PIN2, the ground port PIN21, the power output port PIN3, the voltage of power output is 13.2V, the output current is less than or equal to 1A, the general input/output ports PIN4, PIN12, PIN20, PIN22 and PIN23 are sequentially adjusted in volume, volume down, reference frequency band, frequency band up and frequency band down.
Specifically, the wiring terminal of the universal input/output port control board of the radio station is a 2.54 wiring terminal, and the wiring terminal is connected with the power port, the grounding port and the universal input/output port of the connector; the network interface of the control board of the general input/output port of the radio station is an Ethernet interface, the network interface is connected with the upper computer to receive the remote control information of the upper computer, and the control chip converts the control information into high-low level output of the general input/output port; the control chip reads the state of the general input/output port and feeds the state back to the upper computer.
Specifically, the remote control message includes a GPIO direction configuration message, a GPIO output setting message, a GPIO output feedback message, and a GPIO input report message, where the GPIO direction configuration message defines a general purpose input/output port as an input port or an output port; the GPIO output setting message sets the output state of the output port; the GPIO outputs feedback information to feed back the execution state of the output setting information; the GPIO input report message feeds back the input state of the current input port. GPIO (General Purpose I/O Ports) are general purpose input/output Ports.
In the GPIO direction configuration message, when the corresponding field of the set port is O, the port is set as an output port, and when the corresponding field is I or is empty, the port is set as an input port.
Message format: GPDIR, (1), (2), (3), (4), (5), (6), (7), (8) ×hh < CR > < LF >;
field definition: a single message can simultaneously set the directions of 8 GPIOs at most, and the corresponding field is null and defaults to input.
(1): GP0 direction, take on the value I or O
(2): GP1 direction, take on the value I or O
(3): GP2 direction, take on the value I or O
(4): GP3 direction, take on the value I or O
(5): GP4 direction, take on the value I or O
(6): GP5 direction, take on the value I or O
(7): GP6 direction, take on the value I or O
(8): GP7 direction, take on the value I or O
Message example: GPDIR, O, O, O, O, O, I, I < CR > < LF >; the message sets GP0-GP5 as output and GP6-GP7 as input.
The GPIO outputs a setting message, when the field corresponding to the set port is 0, the port outputs a low level, when the corresponding field is 1, the port outputs a high level, when the corresponding field is 2, the port outputs a low level pulse, and when the corresponding field is 3, the port outputs a high level pulse;
message format: GPSET, (1), (2), (3), (4), (5), (6), (7), (8), (9) hh < CR > < LF >;
field definition:
(1): sentence identification number, value 0-99;
(2) - (9): GP0-GP7 output states, wherein 0 represents a low level, 1 represents a high level, 2 represents a low level pulse, and 3 represents a high level pulse.
And when the execution state field of the corresponding port is A, the port output is completed.
Message format: GPFBK, (1), (2), (3), (4) hh < CR > < LF >
Field definition:
(1): sentence identification number, value 0-99, corresponding to SET instruction;
(2): GPIO index, take value 0-7;
(3): an output state in which 0 represents a low level, 1 represents a high level, 2 represents a low level pulse, and 3 represents a high level pulse;
(4): the execution state, N, indicates no execution, and a indicates completion of execution.
The GPIO inputs the report message, and when the input status field of the corresponding port is 0, the port inputs a low level, and when the input status field of the corresponding port is 1, the port inputs a high level.
Message format: GPGET, (1), (2), (3) hh < CR > < LF >
Field definition:
(1): sentence identification number, value 0-99;
(2): GPIO index, take value 0-7;
(3): GPIO input state, where 0 represents a low or low pulse and 1 represents a high or high pulse.
The control unit comprises a control network module and a control interface module, wherein the control network module receives GPIO direction configuration information and GPIO output setting information sent by the upper computer through the Ethernet interface, analyzes configuration and setting contents of the GPIO direction configuration information and the GPIO output setting information according to definition of the general input/output port, and transmits the configuration and setting contents to the control interface module; the control interface module receives the configuration and setting content transmitted by the control network module, converts and packages the configuration and setting content into a general DB26 interface command of the VHF radio station, and sends the interface command to the radio station to realize remote control of the VHF radio station.
The signal feedback unit comprises a signal interface module and a signal network module, wherein the signal interface module receives feedback signals of the VHF radio station through the connector, analyzes feedback and report contents according to definition of the general input/output port, and transmits the feedback and report contents to the signal network module; the network module converts and packages feedback and report contents transmitted by the signal interface module into GPIO output feedback and GPIO input reports; and the signals are output to an upper computer through an Ethernet interface, so that the signal feedback acquisition of the VHF radio station is realized.
In summary, the remote control unit based on the VHF radio station according to the embodiment of the present invention realizes remote control of the VHF radio station; the method solves the requirement of centralized display and unified control of a plurality of VHF radio stations in water safety communication; the method realizes the broadcasting of the marine safety information on the navigation guarantee field, has the input and output interfaces of data signals and digital calling instructions, and improves the navigation safety of the ship.
While the invention has been described with reference to the preferred embodiments, it is not intended to limit the invention thereto, and it is to be understood that other modifications and improvements may be made by those skilled in the art without departing from the spirit and scope of the invention, which is therefore defined by the appended claims.

Claims (3)

1. The remote control unit based on the VHF frequency band radio station is characterized by comprising a radio station general input/output port control board and a connector for adapting to the radio station, wherein the radio station general input/output port control board comprises a wiring terminal, a control chip and a network interface, the wiring terminal is connected with the connector and the control chip, and the control chip is remotely connected to an upper computer through the network interface; the control chip is burnt with a port control program, and the port control program comprises a control unit and a signal feedback unit; the control chip is connected to the VHF radio station through a connector;
the connector is a DB26 connector, the connector is a 26PIN connector, and the connector is provided with a power input port, a power output port and a general input/output port;
the wiring terminal of the radio station general input/output port control board is a 2.54 wiring terminal, and the wiring terminal is connected with a power port, a grounding port and a general input/output port of the connector; the network interface of the control board of the general input/output port of the radio station is an Ethernet interface, the network interface is connected with an upper computer to receive remote control information of the upper computer, and the control chip converts the control information into high-low level output of the general input/output port; the control chip reads the state of the general input/output port and feeds the state back to the upper computer;
the remote control message comprises a GPIO direction configuration message, a GPIO output setting message, a GPIO output feedback message and a GPIO input report message, wherein the GPIO direction configuration message defines a general input/output port as an input port or an output port; the GPIO output setting message sets the output state of the output port; the GPIO output feedback message feeds back the execution state of the output setting message; the GPIO input report message feeds back the input state of the current input port;
when the corresponding field of the port set by the GPIO direction configuration message is 0, the port is set as an output port, and when the corresponding field is I or is empty, the port is set as an input port; when the field corresponding to the port set by the GPIO output setting message is 0, the port outputs a low level, when the corresponding field is 1, the port outputs a high level, when the corresponding field is 2, the port outputs a low level pulse, and when the corresponding field is 3, the port outputs a high level pulse; when the execution state field of the port corresponding to the GPIO output feedback message is N, the port output is not executed, and when the execution state field of the corresponding port is A, the port output is executed completely; when the input state field of the port corresponding to the GPIO input report message is 0, the port inputs a low level, and when the input state field of the corresponding port is 1, the port inputs a high level;
the control unit comprises a control network module and a control interface module, wherein the control network module receives GPIO direction configuration information and GPIO output setting information sent by the upper computer through an Ethernet interface, analyzes configuration and setting contents of the GPIO direction configuration information and the GPIO output setting information according to definition of a general input/output port, and transmits the configuration and setting contents to the control interface module; the control interface module receives the configuration and setting content transmitted by the control network module, converts and packages the configuration and setting content into a general DB26 interface command of the VHF radio station, and sends the interface command to the radio station to realize remote control of the VHF radio station.
2. A remote control unit based on VHF band radio according to claim 1, characterized in that the PIN definition of the connector comprises: the power input port PIN2, the ground port PIN21, the power output port PIN3, the voltage of power output is 13.2V, the output current is less than or equal to 1A, the general input/output ports PIN4, PIN12, PIN20, PIN22 and PIN23 are sequentially adjusted in volume, volume down, reference frequency band, frequency band up and frequency band down.
3. The remote control unit based on the VHF radio according to claim 1, wherein the signal feedback unit includes a signal interface module and a signal network module, the signal interface module receives the feedback signal of the VHF radio through the connector, analyzes the feedback and report contents according to the definition of the general input/output port, and transmits the feedback and report contents to the signal network module; the network module converts and packages feedback and report contents transmitted by the signal interface module into GPIO output feedback and GPIO input reports; and the signals are output to an upper computer through an Ethernet interface, so that the signal feedback acquisition of the VHF radio station is realized.
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969673A (en) * 1973-10-19 1976-07-13 Ab Teleplan Personal radio station
US5898903A (en) * 1996-03-14 1999-04-27 Alligator Communications, Inc. Multiple address radio system having automatic radio calibration for reducing frequency offset between radio frequency carriers
JP2007081457A (en) * 2005-09-09 2007-03-29 Toshiba Corp Radio station device and terminal for adjustment thereof
RU2442220C1 (en) * 2010-11-01 2012-02-10 Открытое акционерное общество "Татнефть" им. В.Д. Шашина The control system of vehicles and personnel movements
CN103220037A (en) * 2013-03-19 2013-07-24 北京航空航天大学 Hardware interface device of ultra high frequency/very high frequency (UHF/VHF) microsatellite earth station software terminal node controller (TNC)
CN205029679U (en) * 2015-11-04 2016-02-10 上海协同科技股份有限公司 Take long -range frequency point to switch communication controlling means of function
CN107942822A (en) * 2017-12-20 2018-04-20 北京国交信通科技发展有限公司 Radio station integrated controller

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11115792B2 (en) * 2017-06-15 2021-09-07 Jiejun Kong Vehicular high-speed network system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969673A (en) * 1973-10-19 1976-07-13 Ab Teleplan Personal radio station
US5898903A (en) * 1996-03-14 1999-04-27 Alligator Communications, Inc. Multiple address radio system having automatic radio calibration for reducing frequency offset between radio frequency carriers
JP2007081457A (en) * 2005-09-09 2007-03-29 Toshiba Corp Radio station device and terminal for adjustment thereof
RU2442220C1 (en) * 2010-11-01 2012-02-10 Открытое акционерное общество "Татнефть" им. В.Д. Шашина The control system of vehicles and personnel movements
CN103220037A (en) * 2013-03-19 2013-07-24 北京航空航天大学 Hardware interface device of ultra high frequency/very high frequency (UHF/VHF) microsatellite earth station software terminal node controller (TNC)
CN205029679U (en) * 2015-11-04 2016-02-10 上海协同科技股份有限公司 Take long -range frequency point to switch communication controlling means of function
CN107942822A (en) * 2017-12-20 2018-04-20 北京国交信通科技发展有限公司 Radio station integrated controller

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