CN111667680A - Data transmission method, RDSS communication terminal and storage medium - Google Patents
Data transmission method, RDSS communication terminal and storage medium Download PDFInfo
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- CN111667680A CN111667680A CN202010493977.7A CN202010493977A CN111667680A CN 111667680 A CN111667680 A CN 111667680A CN 202010493977 A CN202010493977 A CN 202010493977A CN 111667680 A CN111667680 A CN 111667680A
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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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention discloses a data transmission method, an RDSS communication terminal and a storage medium, wherein the method comprises the following steps: the main control unit receives first power data acquired by the automatic feeder terminal of the power distribution network and sends the first power data to the digital signal processing unit; the digital signal processing unit performs signal modulation on the first power data to obtain a first power signal, and sends the first power signal to the radio frequency signal processing unit; the radio frequency signal processing unit converts the first power signal to obtain a first radio frequency signal; the radio frequency signal combining unit is used for combining the first radio frequency signal to obtain a first target radio frequency signal and sending the first target radio frequency signal to the antenna unit; the antenna unit transmits the first target radio frequency signal to the power distribution network automation master station through the RDSS communication link, and the problem that effective data transmission cannot be carried out between the FTU and the power distribution network automation master station in an area without mobile network coverage is solved.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a data transmission method, an RDSS communication terminal and a storage medium.
Background
In a distribution network system, each column switch complete equipment is provided with a switch controller, and the switch controller is a Feeder Terminal Unit (FTU) for distribution network automation. Generally, the FTU has functions of three remote (telemetry, remote signaling, remote control) and fault detection, and can communicate with a distribution network automation master station. The FTU can provide various parameter information required by the operation condition and monitoring control of the power distribution network system, such as the on-off state, the electric energy parameter, the phase-to-phase fault, the grounding fault, the parameter during the fault and the like, to the power distribution network master station; meanwhile, various commands issued by the power distribution network master station can be executed, power distribution equipment is adjusted and controlled, and functions of fault location, fault isolation, rapid power restoration in a non-fault area and the like are achieved.
The power distribution network is the most widely distributed network in the power grid system, and data communication and network control of the power distribution network are basic conditions for normal operation of the power distribution network. At present, the FTU communicates with the distribution network automation master station mainly through a remote communication module, and a communication channel of the FTU adopts a mobile communication channel. In the area covered by the mobile network, the FTU and the power distribution network automation master station can effectively communicate through the mobile network, and transmit power distribution network data and control instructions based on a mobile communication channel. However, because the distribution network is widely distributed, in some areas without mobile network coverage, the communication between the FTU and the distribution network automation master station is affected, so that operations such as power grid maintenance and power grid scheduling must be completed manually, which not only reduces efficiency, but also increases safety risk of operations.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the data transmission method, the RDSS communication terminal and the storage medium are provided to solve the problem that effective data transmission between an FTU and a power distribution network automation master station cannot be achieved in an area without mobile network coverage in the prior art.
The technical scheme of the invention is as follows:
a method of data transmission, characterized by: the RDSS communication terminal is applied to a satellite radio positioning system and comprises an antenna unit, a radio frequency signal combining unit, a radio frequency signal processing unit, a digital signal processing unit and a main control unit, and the data transmission method comprises the following steps:
the method comprises the steps that a main control unit receives first power data collected by a distribution network automation feeder terminal and sends the first power data to a digital signal processing unit;
the digital signal processing unit performs signal modulation on the first power data to obtain a first power signal to be sent, and sends the first power signal to a radio frequency signal processing unit;
the radio frequency signal processing unit converts the first power signal to obtain a first radio frequency signal corresponding to the first power signal;
the radio frequency signal combining unit is used for combining the first radio frequency signal to obtain a processed first target radio frequency signal and sending the first target radio frequency signal to the antenna unit;
and the antenna unit transmits the first target radio frequency signal to a power distribution network automation master station through an RDSS communication link.
The main control unit receives first power data that distribution network automation feeder terminal gathered to with first power data transmission to digital signal processing unit, include:
the main control unit receives data collected by an automatic feeder terminal of the power distribution network;
the main control unit processes the data according to a preset communication protocol, extracts first electric power data to be transmitted in the data, and sends the first electric power data to the digital signal processing unit.
The RDSS communication terminal further comprises a logic processing unit respectively connected with the main control unit and the digital signal processing unit, and the method further comprises the following steps:
the main control unit sends a data processing instruction to the logic processing unit;
the main control unit controls the digital signal processing unit to send the first power data to the logic processing unit;
and the logic processing unit receives the first power data sent by the digital signal processing unit, performs logic matching on the first power data according to the data processing instruction, and returns the matched first power data to the digital signal processing unit.
After the radio frequency signal processing unit converts the first power signal to obtain a first radio frequency signal corresponding to the first power signal, the method further comprises the following steps:
the radio frequency signal processing unit carries out filtering processing on the first radio frequency signal and carries out power amplification processing on the first radio frequency signal after filtering processing.
Further comprising:
the antenna unit receives a second radio frequency signal transmitted by the distribution network automation master station through the RDSS communication link and sends the second radio frequency signal to the radio frequency signal combining unit;
the radio frequency signal combining unit sends the second radio frequency signal to a radio frequency signal processing unit;
the radio frequency signal processing unit performs analog-to-digital conversion on the received second radio frequency signal to obtain a second power signal, and sends the second power signal to the digital signal processing unit;
the digital signal processing unit demodulates the second power signal to obtain a second target power signal and sends the second target power signal to the main control unit;
and the main control unit sends the second target power signal to the distribution network automation feeder terminal so as to instruct the distribution network automation feeder terminal to execute the operation corresponding to the second target power signal.
The main control unit sends the second target power signal to the distribution network automation feeder terminal to instruct the distribution network automation feeder terminal to execute an operation corresponding to the second target power signal, and the operation includes:
the main control unit analyzes a power protocol of the second target power signal to obtain second power data;
and the main control unit sends the second power data to the distribution network automation feeder terminal to instruct the distribution network automation feeder terminal to execute the operation corresponding to the second power data.
The RDSS communication terminal further includes a power supply unit, the method further comprising:
and the power supply unit acquires a power supply transmitted by the distribution network automation feeder terminal and provides the power supply for each unit of the RDSS communication terminal.
An RDSS communication terminal comprises an antenna unit, a radio frequency signal combining unit, a radio frequency signal processing unit, a digital signal processing unit and a main control unit, wherein:
the main control unit is used for receiving first power data acquired by the automatic feeder terminal of the power distribution network and sending the first power data to the digital signal processing unit;
the digital signal processing unit is used for carrying out signal modulation on the first power data to obtain a first power signal to be sent and sending the first power signal to the radio frequency signal processing unit;
the radio frequency signal processing unit is used for converting the first power signal to obtain a first radio frequency signal corresponding to the first power signal;
the radio frequency signal combining unit is used for combining the first radio frequency signal to obtain a processed first target radio frequency signal and sending the first target radio frequency signal to the antenna unit;
and the antenna unit is used for transmitting the first target radio frequency signal to the power distribution network automation master station through the RDSS communication link.
It further comprises a memory, a processor and a computer program stored in said memory and executable on said processor, said processor implementing said data transmission method when executing said computer program.
A computer-readable storage medium, which stores a computer program that, when executed by a processor, implements the data transmission method described above.
The invention has the beneficial effects that:
according to the invention, the RDSS communication terminal is configured between the FTU and the distribution network automation master station, so that after the FTU acquires corresponding first power data, the first power data can be transmitted to the distribution network automation master station based on the RDSS communication link through the processing of each circuit unit in the RDSS communication terminal. Because the communication channel of RDSS is satellite wireless communication channel, this kind of sky communication mode can not receive the influence of topography, has solved in the area that does not have mobile network to cover, can not carry out effectual data transmission's problem between FTU and the automatic main website of distribution network, can realize the effective communication between FTU and the automatic main website of distribution network.
Drawings
FIG. 1 is a flow chart illustrating steps of a data transmission method according to an embodiment of the present application;
fig. 2 is a schematic view of an application scenario of a data transmission method according to an embodiment of the present application
FIG. 3 is a flow chart illustrating steps of another data transmission method according to an embodiment of the present application;
fig. 4 is a schematic diagram of an RDSS communication terminal according to an embodiment of the present application;
fig. 5 is a schematic diagram of another RDSS communication terminal according to an embodiment of the present application.
Detailed Description
The technical solution of the present application will be described below by way of specific examples.
Referring to fig. 1, a schematic flow chart illustrating steps of a data transmission method according to an embodiment of the present application is shown, which may specifically include the following steps:
s101, a main control unit receives first power data collected by a distribution network automation feeder terminal and sends the first power data to a digital signal processing unit;
it should be noted that the method can be applied to a satellite Radio positioning System (RDSS) based communication terminal.
Fig. 2 is a schematic view of an application scenario of the data transmission method according to the present application. As shown in fig. 2, an RDSS communication terminal is configured between the FTU and the main distribution network automation station, so that an RDSS communication link can be established between the FTU and the main distribution network automation station based on the RDSS communication terminal, thereby implementing data transmission between the FTU and the main distribution network automation station.
In the embodiment of the present application, the RDSS communication terminal may include a plurality of circuit units, such as an antenna unit, a radio frequency signal combining unit, a radio frequency signal processing unit, a digital signal processing unit, a main control unit, a logic processing unit, and a power supply unit. Each circuit unit respectively realizes the unable function in the data transmission process.
In concrete implementation, when the FTU needs to transmit the collected first power data to the distribution network automation master station, the first power output may be transmitted to the main control unit of the RDSS communication terminal, and the effective transmission of the first power data is realized by controlling other circuit units by the main control unit.
In this embodiment of the application, a main control unit of the RDSS communication terminal may establish connection with the FTU through a corresponding data interface, so that first power data acquired by the FTU may be received through the interface.
It should be noted that the data collected by the FTU may include multiple types, and these different types of data may all be sent to the main control unit, and the main control unit extracts data that needs to be transmitted to the power distribution network automation master station according to actual needs.
In concrete implementation, the main control unit can process the data collected by the FTU according to a preset communication protocol after receiving the data, extract first electric power data to be transmitted in the data, and send the first electric power data to the digital signal processing unit.
S102, the digital signal processing unit performs signal modulation on the first power data to obtain a first power signal to be sent, and sends the first power signal to a radio frequency signal processing unit;
in the embodiment of the application, the digital signal processing unit can be connected with the main control unit and is used for receiving first power data to be transmitted from the main control unit when the data needs to be transmitted to the distribution network automation master station; or when receiving the data transmitted by the power distribution network automation master station, the data is transmitted to the master control unit again so as to control the FTU to execute corresponding operation.
In this embodiment of the application, when the FTU transmits data to the distribution network automation master station, the digital signal processing unit may perform signal modulation processing on first power data sent by the master control unit to obtain a first power signal, and then hand the first power signal to the radio frequency signal processing unit.
It should be noted that, the processing of the first power data sent by the main control unit by the digital signal processing unit may include, in addition to signal modulation, related processing such as spreading pseudo code, and the like, which is not limited in this embodiment.
In this embodiment, in order to improve the real-time performance of data transmission, a logic processing unit in the RDSS communication terminal may perform logic matching processing on the first power data, so as to select a suitable channel for transmitting the first power data.
In a specific implementation, the main control unit, the digital signal processing unit and the logic processing unit can realize a multi-channel logic and data processing closed loop. Therefore, when data is transmitted, after the main control unit sends the first power data to the digital signal processing unit, the main control unit can send a data processing instruction to the logic processing unit and control the digital signal processing unit to send the first power data to the logic processing unit, and after the logic processing unit receives the first power data sent by the digital signal processing unit, the logic processing unit performs logic matching on the first power data according to the data processing instruction and returns the matched first power data to the digital signal processing unit.
After receiving the first power data returned by the logic processing unit, the digital signal processing unit may modulate the first power data into a first power signal and send the first power signal to the radio frequency signal processing unit.
S103, converting the first power signal by a radio frequency signal processing unit to obtain a first radio frequency signal corresponding to the first power signal;
in this embodiment, the radio frequency signal processing unit may convert the first power signal into a first radio frequency signal, and perform filtering processing on the first radio frequency signal.
In addition, the radio frequency signal processing unit may further perform power amplification processing on the filtered first radio frequency signal, which is not limited in this embodiment.
It should be noted that the digital signal processing unit may switch the transceiving function of the radio frequency signal processing unit, and configure corresponding parameters, so that the radio frequency signal processing unit may operate in a controlled state.
S104, the radio frequency signal combining unit performs combining processing on the first radio frequency signal to obtain a processed first target radio frequency signal, and sends the first target radio frequency signal to an antenna unit;
in the embodiment of the application, the radio frequency signal combining unit can realize combining processing of receiving and transmitting radio frequency signals by the RDSS, and can simultaneously complete combining processing of the direct current power supply and the radio frequency signals, so that the radio frequency signal combining unit and the antenna unit can complete connection and transmission of signals only through one radio frequency cable.
And S105, the antenna unit transmits the first target radio frequency signal to a power distribution network automation master station through an RDSS communication link.
In this embodiment of the application, the antenna unit may transmit the first target radio frequency signal to the power distribution network automation master station through the RDSS communication link, thereby solving a problem that effective data transmission cannot be performed between the FTU and the power distribution network automation master station in an area not covered by the mobile network.
In this embodiment of the application, an RDSS communication terminal is configured between the FTU and the distribution network automation master station, and after the FTU collects corresponding first power data, the first power data is transmitted to the distribution network automation master station based on an RDSS communication link through processing of each circuit unit in the RDSS communication terminal. Because the communication channel of RDSS is satellite wireless communication channel, this kind of sky communication mode can not receive the influence of topography, has solved in the area that does not have mobile network to cover, can not carry out effectual data transmission's problem between FTU and the automatic main website of distribution network, can realize the effective communication between FTU and the automatic main website of distribution network.
Referring to fig. 3, a schematic flow chart illustrating steps of another data transmission method according to an embodiment of the present application is shown, which may specifically include the following steps:
s301, an antenna unit receives a second radio frequency signal transmitted by the distribution network automation master station through the RDSS communication link, and sends the second radio frequency signal to the radio frequency signal combining unit;
it should be noted that the method can be applied to the RDSS communication terminal, and through processing of each circuit unit in the RDSS communication terminal, an RDSS communication link can be established between the FTU and the power distribution network automation master station, so as to realize data transmission between the FTU and the power distribution network automation master station.
The present embodiment is an introduction of the data transmission method of the present application from the data reception perspective. Namely, the data transmitted by the power distribution network automation main station is received through the antenna unit, and the data is sent to the FTU so as to instruct the FTU to execute corresponding operation.
In this embodiment of the application, an antenna unit of the RDSS communication terminal may receive a second radio frequency signal from the satellite system through the RDSS communication link, where the second radio frequency signal is obtained by processing second power data that needs to be transmitted to the FTU by the power distribution network automation master station.
After receiving the second radio frequency signal, the antenna unit may perform filtering, amplification, and other processing on the signal, and deliver the processed signal to the radio frequency signal combining unit.
S302, the radio frequency signal combining unit sends the second radio frequency signal to a radio frequency signal processing unit;
in this embodiment, the radio frequency signal combining unit may be connected to the antenna unit through a radio frequency circuit. After receiving the second rf signal sent by the antenna unit, the rf signal combining unit may send the signal to the rf signal processing unit for further processing.
S303, the radio frequency signal processing unit performs analog-to-digital conversion on the received second radio frequency signal to obtain a second power signal, and sends the second power signal to the digital signal processing unit;
in this embodiment of the application, after receiving the second radio frequency signal, the radio frequency signal processing unit needs to perform analog-to-digital conversion on the second radio frequency signal to obtain a corresponding second power signal.
Of course, before performing the analog-to-digital conversion, the rf signal processing unit may also perform power amplification, filtering, down-conversion, and other processing on the second rf signal, which is not limited in this embodiment.
The second power signal after analog-to-digital conversion is sent to the digital signal processing unit by the radio frequency signal processing unit.
S304, the digital signal processing unit demodulates the second power signal to obtain a second target power signal, and sends the second target power signal to the main control unit;
in the embodiment of the present application, the digital signal processing unit performs correlation processing such as spreading pseudo code on the received second power signal, and obtains a second target power signal through operations such as signal demodulation and useful signal extraction. The second target power signal is transmitted to the main control unit.
S305, the main control unit sends the second target power signal to the distribution network automation feeder terminal so as to instruct the distribution network automation feeder terminal to execute an operation corresponding to the second target power signal.
In the embodiment of the present application, the main control unit is a core unit of the entire RDSS communication terminal, and may implement functions of control, communication, channel adaptive switching, communication interaction with the FTU, and the like of each circuit unit.
For the RDSS communication link, the main control unit may perform power protocol analysis on the received second target power signal to obtain second power data, and may instruct the FTU to perform an operation corresponding to the second power data by sending the second power data to the FTU, thereby implementing transmission of a remote control command from the distribution network automation master station to the FTU.
In the embodiment of the present application, the power supply of the RDSS communication terminal may be provided by the FTU. Specifically, the power supply unit in the RDSS communication terminal may be connected to the FTU, and obtain power transmitted by the FTU, and then supply the power to each unit of the RDSS communication terminal, thereby eliminating the need to separately connect the RDSS communication terminal to other power supply devices, reducing circuit configuration, and improving usability of the RDSS communication terminal.
In the embodiment of the application, an RDSS communication terminal is configured between the FTU and the power distribution network automation master station, and the RDSS communication terminal can receive a remote control command or data from the power distribution network automation master station through an RDSS communication link, and after the remote control command or data is processed by each circuit unit in the RDSS communication terminal, the remote control command or data is transmitted to the FTU to instruct the FTU to execute corresponding operations. Through the communication mode that adopts RDSS for data transmission can not receive the influence of topography, has solved in the area that does not have mobile network to cover, can not carry out effectual data transmission's problem between FTU and the automatic main website of distribution network, can realize the effective communication between FTU and the automatic main website of distribution network.
It should be noted that, the sequence numbers of the steps in the foregoing embodiments do not mean the execution sequence, and the execution sequence of each process should be determined by the function and the inherent logic of the process, and should not constitute any limitation on the implementation process of the embodiments of the present application.
Referring to fig. 4, a schematic diagram of an RDSS communication terminal according to an embodiment of the present application is shown, which may specifically include an antenna unit 401, a radio frequency signal combining unit 402, a radio frequency signal processing unit 403, a digital signal processing unit 404, and a main control unit 405, where:
the main control unit is used for receiving first power data acquired by the automatic feeder terminal of the power distribution network and sending the first power data to the digital signal processing unit;
the digital signal processing unit is used for carrying out signal modulation on the first power data to obtain a first power signal to be sent and sending the first power signal to the radio frequency signal processing unit;
the radio frequency signal processing unit is used for converting the first power signal to obtain a first radio frequency signal corresponding to the first power signal;
the radio frequency signal combining unit is used for combining the first radio frequency signal to obtain a processed first target radio frequency signal and sending the first target radio frequency signal to the antenna unit;
and the antenna unit is used for transmitting the first target radio frequency signal to the power distribution network automation master station through the RDSS communication link.
In this application embodiment, the main control unit is still used for receiving the data that distribution network automation feeder terminal gathered, and is right according to preset communication protocol data are handled, draw in the data wait the first electric power data of transmission, and will first electric power data send digital signal processing unit.
In this embodiment of the present application, the RDSS communication terminal further includes a logic processing unit 406 connected to the main control unit and the digital signal processing unit, respectively;
the main control unit is also used for sending a data processing instruction to the logic processing unit and controlling the digital signal processing unit to send the first power data to the logic processing unit;
and the logic processing unit is used for receiving the first power data sent by the digital signal processing unit, performing logic matching on the first power data according to the data processing instruction, and returning the matched first power data to the digital signal processing unit.
In this embodiment, the radio frequency signal processing unit is further configured to perform filtering processing on the first radio frequency signal, and perform power amplification processing on the filtered first radio frequency signal.
In this embodiment of the application, the antenna unit is further configured to receive, through the RDSS communication link, a second radio frequency signal transmitted by the distribution network automation master station, and send the second radio frequency signal to the radio frequency signal combining unit;
the radio frequency signal combining unit is also used for sending the second radio frequency signal to the radio frequency signal processing unit;
the radio frequency signal processing unit is further used for performing analog-to-digital conversion on the received second radio frequency signal to obtain a second power signal and sending the second power signal to the digital signal processing unit;
the digital signal processing unit is further used for performing signal demodulation processing on the second power signal to obtain a second target power signal and sending the second target power signal to the main control unit;
the main control unit is further configured to send the second target power signal to the distribution network automation feeder terminal to instruct the distribution network automation feeder terminal to perform an operation corresponding to the second target power signal.
In this embodiment of the application, the main control unit is further configured to perform power protocol analysis on the second target power signal, obtain second power data, and send the second power data to the distribution network automation feeder terminal to instruct the distribution network automation feeder terminal to execute an operation corresponding to the second power data.
In the embodiment of the present application, the RDSS communication terminal further includes a power supply unit 407;
and the power supply unit is used for acquiring the power supply transmitted by the distribution network automation feeder terminal and providing the power supply to each unit of the RDSS communication terminal.
For the terminal embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and for the relevant points, refer to the description of the method embodiment section.
Referring to fig. 5, a schematic diagram of another RDSS communication terminal according to an embodiment of the present application is shown. As shown in fig. 5, the RDSS communication terminal 500 of the present embodiment includes: a processor 510, a memory 520, and a computer program 521 stored in the memory 520 and executable on the processor 510. The processor 510, when executing the computer program 521, implements the steps in various embodiments of the data transmission method, such as the steps S101 to S105 shown in fig. 1. Alternatively, the processor 510 implements the functions of the modules/units in the terminal embodiments, such as the functions of the units 401 to 407 shown in fig. 4, when executing the computer program 521.
Illustratively, the computer program 521 may be partitioned into one or more modules/units that are stored in the memory 520 and executed by the processor 510 to accomplish the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which may be used to describe the execution process of the computer program 521 in the RDSS communication terminal 500.
The RDSS communication terminal 500 may include, but is not limited to, a processor 510, a memory 520. Those skilled in the art will appreciate that fig. 5 is merely an example of the RDSS communication terminal 500 and does not constitute a limitation of the RDSS communication terminal 500 and may include more or less components than those shown, or combine certain components, or different components, for example, the RDSS communication terminal 500 may further include input-output devices, network access devices, buses, etc.
The Processor 510 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 520 may be an internal storage unit of the RDSS communication terminal 500, such as a hard disk or a memory of the RDSS communication terminal 500. The memory 520 may also be an external storage device of the RDSS communication terminal 500, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the RDSS communication terminal 500. Further, the memory 520 may also include both an internal storage unit and an external storage device of the RDSS communication terminal 500. The memory 520 is used for storing the computer program 521 and other programs and data required by the RDSS communication terminal 500. The memory 520 may also be used to temporarily store data that has been output or is to be output.
Claims (10)
1. A method of data transmission, characterized by: the RDSS communication terminal is applied to a satellite radio positioning system and comprises an antenna unit, a radio frequency signal combining unit, a radio frequency signal processing unit, a digital signal processing unit and a main control unit, and the data transmission method comprises the following steps:
the method comprises the steps that a main control unit receives first power data collected by a distribution network automation feeder terminal and sends the first power data to a digital signal processing unit;
the digital signal processing unit performs signal modulation on the first power data to obtain a first power signal to be sent, and sends the first power signal to a radio frequency signal processing unit;
the radio frequency signal processing unit converts the first power signal to obtain a first radio frequency signal corresponding to the first power signal;
the radio frequency signal combining unit is used for combining the first radio frequency signal to obtain a processed first target radio frequency signal and sending the first target radio frequency signal to the antenna unit;
and the antenna unit transmits the first target radio frequency signal to a power distribution network automation master station through an RDSS communication link.
2. A data transmission method according to claim 1, characterized in that: the main control unit receives first power data that distribution network automation feeder terminal gathered to with first power data transmission to digital signal processing unit, include:
the main control unit receives data collected by an automatic feeder terminal of the power distribution network;
the main control unit processes the data according to a preset communication protocol, extracts first electric power data to be transmitted in the data, and sends the first electric power data to the digital signal processing unit.
3. A data transmission method according to claim 1 or 2, characterized in that: the RDSS communication terminal further comprises a logic processing unit respectively connected with the main control unit and the digital signal processing unit, and the method further comprises the following steps:
the main control unit sends a data processing instruction to the logic processing unit;
the main control unit controls the digital signal processing unit to send the first power data to the logic processing unit;
and the logic processing unit receives the first power data sent by the digital signal processing unit, performs logic matching on the first power data according to the data processing instruction, and returns the matched first power data to the digital signal processing unit.
4. A data transmission method according to claim 3, characterized in that: after the radio frequency signal processing unit converts the first power signal to obtain a first radio frequency signal corresponding to the first power signal, the method further comprises the following steps:
the radio frequency signal processing unit carries out filtering processing on the first radio frequency signal and carries out power amplification processing on the first radio frequency signal after filtering processing.
5. A data transmission method according to claim 1, 2 or 4, characterized in that: further comprising:
the antenna unit receives a second radio frequency signal transmitted by the distribution network automation master station through the RDSS communication link and sends the second radio frequency signal to the radio frequency signal combining unit;
the radio frequency signal combining unit sends the second radio frequency signal to a radio frequency signal processing unit;
the radio frequency signal processing unit performs analog-to-digital conversion on the received second radio frequency signal to obtain a second power signal, and sends the second power signal to the digital signal processing unit;
the digital signal processing unit demodulates the second power signal to obtain a second target power signal and sends the second target power signal to the main control unit;
and the main control unit sends the second target power signal to the distribution network automation feeder terminal so as to instruct the distribution network automation feeder terminal to execute the operation corresponding to the second target power signal.
6. The data transmission method of claim 5, wherein sending, by a master control unit, the second target power signal to the distribution network automation feeder terminal to instruct the distribution network automation feeder terminal to perform an operation corresponding to the second target power signal comprises:
the main control unit analyzes a power protocol of the second target power signal to obtain second power data;
and the main control unit sends the second power data to the distribution network automation feeder terminal to instruct the distribution network automation feeder terminal to execute the operation corresponding to the second power data.
7. A data transmission method according to claim 1, wherein the RDSS communication terminal further comprises a power supply unit, the method further comprising:
and the power supply unit acquires a power supply transmitted by the distribution network automation feeder terminal and provides the power supply for each unit of the RDSS communication terminal.
8. An RDSS communication terminal, characterized by: including antenna element, radio frequency signal way unit, radio frequency signal processing unit, digital signal processing unit to and the main control unit, wherein:
the main control unit is used for receiving first power data acquired by the automatic feeder terminal of the power distribution network and sending the first power data to the digital signal processing unit;
the digital signal processing unit is used for carrying out signal modulation on the first power data to obtain a first power signal to be sent and sending the first power signal to the radio frequency signal processing unit;
the radio frequency signal processing unit is used for converting the first power signal to obtain a first radio frequency signal corresponding to the first power signal;
the radio frequency signal combining unit is used for combining the first radio frequency signal to obtain a processed first target radio frequency signal and sending the first target radio frequency signal to the antenna unit;
and the antenna unit is used for transmitting the first target radio frequency signal to the power distribution network automation master station through the RDSS communication link.
9. An RDSS communication terminal according to claim 8, further comprising a memory, a processor and a computer program stored in said memory and executable on said processor, wherein said processor when executing said computer program implements a data transfer method according to any of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the data transmission method according to any one of claims 1 to 7.
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Application publication date: 20200915 |