CN113706850A - Remote control unit based on VHF frequency channel radio station - Google Patents
Remote control unit based on VHF frequency channel radio station Download PDFInfo
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- CN113706850A CN113706850A CN202110996679.4A CN202110996679A CN113706850A CN 113706850 A CN113706850 A CN 113706850A CN 202110996679 A CN202110996679 A CN 202110996679A CN 113706850 A CN113706850 A CN 113706850A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
- H04B1/38—Transceivers, 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
- H04B1/3822—Transceivers, 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
Abstract
The invention discloses a remote control unit based on a VHF (very high frequency) band radio station, which comprises a radio station general input/output port control panel and a connector adaptive to the radio station, wherein the radio station general input/output port control panel 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 burned with a port control program. The invention sets a control panel connected with a radio station, takes an Ethernet interface of the control panel as a port for network data connection, and realizes remote control of the radio station and display state by an upper computer through self-defining GPIO interface control information; the Ethernet interface receives a GPIO interface control message sent by the upper computer, and outputs high and low levels of GPIO according to the content of the message, so that the remote control of the radio station is realized; and meanwhile, reading the state information of the GPIO, and feeding the state information back to the upper computer through the Ethernet interface to realize the remote monitoring of the state of the radio station.
Description
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
A radio station, referred to as a "radio station", is equipped with a station for transmitting and receiving radio signals, and is a walkie-talkie station for realizing voice transmission, data transmission, and the like. Very High Frequency (VHF) is one of the most important communication means for offshore radio mobile services, and the frequency band range of VHF radio: 156-174 MHz. The ship emergency communication system can carry out ship distress, emergency, safe communication and daily business communication, and is also an important communication tool for search and rescue operation, coordination and avoidance among ships and a ship traffic service system (VTS). The international maritime organization highly attaches importance to the specification and use of the VHF frequency band, and requires each member country to ensure that the VHF radio equipment operators of ships correctly use the VHF frequency band to implement the transmission of distress, emergency, safety and navigation information. With the development of the maritime transportation industry, the number of ships sailing on the sea is increased sharply, meanwhile, the ships are increased in size, high in speed and automatic, the navigation density is increased rapidly, and the requirement on the overwater safety communication is stricter.
The water safety communication is an indispensable means for water transportation safety guarantee, is a basic element for water safety supervision and rescue, runs through the whole process of ship distress rescue, and relates to each link of water ship safety supervision. The VHF wireless communication is an important component of a water safety communication system, and is a communication mode between ships and shore and between ships and shore which are specified by IMO and are specially used in coastal and offshore water areas. The VHF communication system is an indispensable emergency reflection facility for guaranteeing the navigation safety of ships and is the most effective communication mode between the water ship and the shore and ship.
However, the VHF communication system in the existing water safety communication system is relatively independent, the equipment operation is relatively complicated, and if the VHF radio station needs to be subjected to frequency modulation and tuning, the operation and the state checking need to be performed through the independent display and control equipment, so that the remote control cannot be realized; and the requirements of centralized display and unified control cannot be achieved for a plurality of VHF radio stations.
Therefore, there is a need for a remote control unit based on VHF radio, which realizes systematization, integration and standardization of a water safety communication system, and can perform uniform VHF radio control and status display through a corresponding ship information system.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a remote control unit based on a VHF frequency band radio station, and solve the problem that the existing VHF frequency band radio station cannot be remotely controlled.
The technical scheme adopted by the invention for solving the technical problems is to provide a remote control unit based on a VHF frequency band radio station, which comprises a radio station general input/output port control panel and a connector adaptive to the radio station, wherein the radio station general input/output port control panel 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 burned 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.
Further, 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.
Further, the PIN definition of the socket connector includes: the power supply comprises a power supply input port PIN2, a ground port PIN21 and a power supply output port PIN3, wherein the voltage output by the power supply is 13.2V, the output current is less than or equal to 1A, and the functions of a universal input/output port PIN4, PIN12, PIN20, PIN22 and PIN23 are sequentially volume up-regulation, volume down-regulation, a reference frequency band, a frequency band up-regulation and frequency band down-regulation.
Furthermore, a connecting terminal of the radio station general input/output port control board is a 2.54 connecting terminal, and the connecting terminal is connected with a power port, a grounding port and a general input/output port of the connector; the network interface of the radio station general input/output port control panel is an Ethernet interface, the network interface is connected with an upper computer to receive a remote control message of the upper computer, and the control chip converts the control message into high and low level output of the general input/output port; and the control chip reads the state of the universal input/output port and feeds the state back to the upper computer.
Further, 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, the GPIO direction configuration message defining a general purpose input/output port as either an input port or an output port; the GPIO outputs a setting message to set the output state of an output port; the GPIO outputs a feedback message to feed back the execution state of an output setting message; and the GPIO input report message feeds back the input state of the current input port.
Further, when a field corresponding to a port set by the GPIO direction configuration message is O, the port is set as an output port, and when the field corresponding to the port is I or is empty, the port is set as an input port; when a field corresponding to a port set by the GPIO output setting message is 0, the port outputs low level, when the corresponding field is 1, the port outputs high level, when the corresponding field is 2, the port outputs low level pulse, and when the corresponding field is 3, the port outputs 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; and when the input state field of the port corresponding to the GPIO input report message is 0, the port inputs low level, and when the input state field of the corresponding port is 1, the port inputs high level.
Further, the control unit comprises a control network module and a control interface module, 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 contents 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 contents to the control interface module; the control interface module receives the configuration and the setting content transmitted by the control network module, converts and packages the configuration and the setting content into a DB26 interface command which is common for the VHF radio station, and sends the interface command to the radio station, thereby realizing the remote control of the VHF radio station.
Furthermore, the signal feedback unit comprises a signal interface module and a signal network module, 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 the feedback and report contents transmitted by the signal interface module into GPIO output feedback and a GPIO input report; through the Ethernet interface, output for the host computer, realize VHF radio station's signal feedback collection.
Compared with the prior art, the invention has the following beneficial effects: the remote control unit based on the VHF frequency band radio station is provided with a control panel connected with the radio station, an Ethernet interface of the control panel is used as a port for network data connection, and an upper computer remotely controls the radio station and displays the state by self-defining a GPIO interface control message; the Ethernet interface receives a GPIO interface control message sent by the upper computer, and outputs high and low levels of GPIO according to the content of the message, so that the remote control of the radio station is realized; and meanwhile, reading the state information of the GPIO, and feeding the state information back to the upper computer through the Ethernet interface to realize the remote monitoring of the state of the radio station.
Drawings
FIG. 1 is a diagram of a remote control unit architecture for a VHF radio station according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the connector of a remote control unit based on a VHF band radio in an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
Fig. 1 is a diagram illustrating the architecture of a remote control unit based on VHF band radio in an embodiment of the present invention.
Referring to fig. 1, the remote control unit based on the VHF band radio station of the embodiment of the present invention includes a radio station general input/output port control board and a connector adapted to the radio station, where the radio station general 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 burned 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.
Referring to fig. 2, in the remote control unit based on the VHF band 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 supply comprises a power supply input port PIN2, a ground port PIN21 and a power supply output port PIN3, wherein the voltage output by the power supply is 13.2V, the output current is less than or equal to 1A, and the functions of a universal input/output port PIN4, PIN12, PIN20, PIN22 and PIN23 are sequentially volume up-regulation, volume down-regulation, a reference frequency band, a frequency band up-regulation and frequency band down-regulation.
Specifically, a connecting terminal of the radio station general input/output port control board is a 2.54 connecting terminal, and the connecting terminal is connected with a power port, a grounding port and a general input/output port of the connector; the network interface of the radio station general input/output port control panel is an Ethernet interface, the network interface is connected with an upper computer to receive a remote control message of the upper computer, and the control chip converts the control message into high and low level output of the general input/output port; the control chip reads the state of the universal 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, the GPIO direction configuration message defining the general purpose input/output port as an input port or an output port; the GPIO outputs a setting message to set the output state of the output port; the GPIO outputs a feedback message to feed back the execution state of the output setting message; and the GPIO input report message feeds back the input state of the current input port. GPIO (General Purpose input/output Ports) is a General Purpose input/output port.
And configuring a message in the GPIO direction, wherein when a 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 >;
and field definition: the direction of 8 GPIOs can be set simultaneously in a single message, the corresponding field is empty, and the default is input.
(1): GP0 direction, value I or O
(2): GP1 direction, value I or O
(3): GP2 direction, value I or O
(4): GP3 direction, value I or O
(5): GP4 direction, value I or O
(6): GP5 direction, value I or O
(7): GP6 direction, value I or O
(8): GP7 direction, value I or O
Message example: GPDIR, O, O, O, O, O, O, I, I x hh < CR > < LF >; the message sets GP0-GP5 as outputs and GP6-GP7 as inputs.
A GPIO outputs a setting message, when a field corresponding to a set port is 0, the port outputs low level, when a corresponding field is 1, the port outputs high level, when a corresponding field is 2, the port outputs low level pulse, and when a corresponding field is 3, the port outputs high level pulse;
message format: GPSET, (1), (2), (3), (4), (5), (6), (7), (8), (9) × hh < CR > < LF >;
and field definition:
(1): the sentence identification number takes a value of 0-99;
(2) - (9): GP0-GP7 output states, where 0 represents low, 1 represents high, 2 represents a low pulse, and 3 represents a high pulse.
And the GPIO outputs a feedback message, when the execution state field of the corresponding port is N, the output of the port is not executed, and when the execution state field of the corresponding port is A, the output of the port is executed.
Message format: $ GPFBK, (1), (2), (3), (4) × hh < CR > < LF >
And field definition:
(1): the statement identification number takes a value of 0-99 and corresponds to the 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 not executed, and A indicates completed execution.
And the GPIO inputs a report message, when the input state field of the corresponding port is 0, the port inputs low level, and when the input state field of the corresponding port is 1, the port inputs high level.
Message format: $ GPGET, (1), (2), (3) × hh < CR > < LF >
And field definition:
(1): the sentence identification number takes a value of 0-99;
(2): GPIO index, take value 0-7;
(3): and GPIO input state, wherein 0 represents low level or low level pulse, and 1 represents high level or high level pulse.
The control unit comprises a control network module and a control interface module, 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 contents 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 contents to the control interface module; the control interface module receives the configuration and the setting content transmitted by the control network module, converts and packages the configuration and the setting content into a DB26 interface command which is common for the VHF radio station, and sends the interface command to the radio station, thereby realizing the remote control of the VHF radio station.
The signal feedback unit comprises a signal interface module and a signal network module, the signal interface module receives a feedback signal of the VHF radio station through the connector, analyzes feedback and report contents according to the definition of the universal input/output port, and transmits the feedback and report contents to the signal network module; the network module converts and packages the feedback and report contents transmitted by the signal interface module into GPIO output feedback and a GPIO input report; through the Ethernet interface, output for the host computer, realize VHF radio station's signal feedback collection.
In summary, the remote control unit based on the VHF radio station in the embodiment of the present invention implements remote control of the VHF radio station; the requirements of centralized display and unified control of a plurality of VHF radio stations in the water safety communication are met; the marine safety information broadcasting of the navigation guarantee field is realized, the input and output interfaces of data signals and digital calling instructions are provided, and the navigation safety of the ship is improved.
Although the present invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A remote control unit based on a VHF frequency band radio station is characterized by comprising a radio station general input/output port control panel and a connector adaptive to the radio station, wherein the radio station general input/output port control panel 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 burned 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.
2. A VHF radio-based remote control unit according to claim 1, wherein said connector is a DB26 connector, said connector is a 26PIN connector, and said connector is provided with a power input port, a power output port, and a general input/output port.
3. A VHF band radio based remote control unit according to claim 2, wherein said PIN definition of said connector comprises: the power supply comprises a power supply input port PIN2, a ground port PIN21 and a power supply output port PIN3, wherein the voltage output by the power supply is 13.2V, the output current is less than or equal to 1A, and the functions of a universal input/output port PIN4, PIN12, PIN20, PIN22 and PIN23 are sequentially volume up-regulation, volume down-regulation, a reference frequency band, a frequency band up-regulation and frequency band down-regulation.
4. A VHF band radio-based remote control unit according to claim 2, wherein the terminal of the station general input/output port control board is a 2.54 terminal, and the terminal is connected to a power port, a ground port and a general input/output port of a connector; the network interface of the radio station general input/output port control panel is an Ethernet interface, the network interface is connected with an upper computer to receive a remote control message of the upper computer, and the control chip converts the control message into high and low level output of the general input/output port; and the control chip reads the state of the universal input/output port and feeds the state back to the upper computer.
5. The VHF band radio-based remote control unit of claim 4, wherein the remote control message comprises a GPIO direction configuration message defining a general purpose input/output port as either an input port or an output port, a GPIO output set message, a GPIO output feedback message, and a GPIO input report message; the GPIO outputs a setting message to set the output state of an output port; the GPIO outputs a feedback message to feed back the execution state of an output setting message; and the GPIO input report message feeds back the input state of the current input port.
6. The VHF band radio-based remote control unit according to claim 5, wherein the port set by the GPIO direction configuration message is set as an output port when a corresponding field of the port is O, and is set as an input port when the corresponding field is I or is empty; when a field corresponding to a port set by the GPIO output setting message is 0, the port outputs low level, when the corresponding field is 1, the port outputs high level, when the corresponding field is 2, the port outputs low level pulse, and when the corresponding field is 3, the port outputs 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; and when the input state field of the port corresponding to the GPIO input report message is 0, the port inputs low level, and when the input state field of the corresponding port is 1, the port inputs high level.
7. The VHF band radio-based remote control unit according to claim 5, wherein the control unit includes a control network module and a control interface module, the control network module receives a GPIO direction configuration message and a GPIO output setting message transmitted from the upper computer through the ethernet interface, parses configuration and setting contents of the GPIO direction configuration message and the GPIO output setting message according to a definition of the general purpose input/output port, and transmits the configuration and setting contents to the control interface module; the control interface module receives the configuration and the setting content transmitted by the control network module, converts and packages the configuration and the setting content into a DB26 interface command which is common for the VHF radio station, and sends the interface command to the radio station, thereby realizing the remote control of the VHF radio station.
8. The VHF band radio-based remote control unit according to claim 5, wherein the signal feedback unit comprises a signal interface module and a signal network module, the signal interface module receives the feedback signal of the VHF radio through the connector, parses 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 the feedback and report contents transmitted by the signal interface module into GPIO output feedback and a GPIO input report; through the Ethernet interface, output for the host computer, realize VHF radio station's signal feedback collection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110996679.4A CN113706850B (en) | 2021-08-27 | 2021-08-27 | Remote control unit based on VHF frequency band radio station |
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| CN202110996679.4A CN113706850B (en) | 2021-08-27 | 2021-08-27 | Remote control unit based on VHF frequency band radio station |
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| 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 |
| US20200021962A1 (en) * | 2017-06-15 | 2020-01-16 | Jiejun Kong | Vehicular high-speed network system |
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2021
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| 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 |
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