CN212572191U - Power signal transmission apparatus and power signal transmission system - Google Patents
Power signal transmission apparatus and power signal transmission system Download PDFInfo
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- CN212572191U CN212572191U CN202020998337.7U CN202020998337U CN212572191U CN 212572191 U CN212572191 U CN 212572191U CN 202020998337 U CN202020998337 U CN 202020998337U CN 212572191 U CN212572191 U CN 212572191U
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Abstract
The utility model is suitable for a communication technology field provides a power signal transmission equipment and power signal transmission system, equipment includes the control unit, digital signal processing unit and logic processing unit; wherein: the control unit is used for receiving data acquired by the automatic feeder terminal of the power distribution network and sending power data in the data to the digital signal processing unit; the digital signal processing unit is used for modulating the received power data, obtaining a power signal corresponding to the power data and sending the power signal to the logic processing unit; and the logic processing unit is used for processing the received power signal by adopting a target logic channel in the plurality of RDSS logic channels and returning the processed power signal to the digital signal processing unit so as to transmit the power signal to the power distribution network automation master station. By adopting the equipment, the power signal transmission can be carried out based on the RDSS transmission link, and the effectiveness of the power signal transmission is ensured.
Description
Technical Field
The utility model belongs to the technical field of communication, especially, relate to a power signal transmission equipment and power signal transmission system.
Background
In a power distribution network system, a power distribution network automatic Feeder Terminal (FTU) can transmit various power signals required by the operation condition and monitoring control of the power distribution network system to a power distribution network automatic main station, and control of power equipment is realized by receiving control signals of the power distribution network automatic main station.
Typically, the FTU may transmit power signals to a power distribution network automation master station by means of mobile communication. 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.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides an electric power signal transmission equipment and electric power signal transmission system to solve among the prior art in the area that does not have mobile network to cover can't realize the problem of signal transmission between FTU and the automatic main website of distribution network.
A first aspect of an embodiment of the present invention provides a power signal transmission device, including a control unit, and a digital signal processing unit and a logic processing unit electrically connected to the control unit, respectively, the digital signal processing unit and the logic processing unit being electrically connected, the logic processing unit including a plurality of RDSS logic channels; wherein:
the control unit is used for receiving data acquired by the automatic feeder terminal of the power distribution network and sending power data in the data to the digital signal processing unit;
the digital signal processing unit is used for modulating the received power data, obtaining a power signal corresponding to the power data and sending the power signal to the logic processing unit;
and the logic processing unit is used for processing the received power signal by adopting a target logic channel in the plurality of RDSS logic channels and returning the processed power signal to the digital signal processing unit so as to transmit the power signal to the power distribution network automation main station.
Optionally, the control unit includes a data interface, and the control unit is connected to the distribution network automation feeder terminal through the data interface, and is configured to receive data acquired by the distribution network automation feeder terminal.
Optionally, the control unit includes at least two data interfaces, where the at least two data interfaces include a main data interface and a standby data interface, and the main data interface and the standby data interface are UART interfaces.
Optionally, the logic processing unit is further configured to detect an operating state of the plurality of RDSS logic channels, and receive the power signal sent by the digital signal processing unit through a target logic channel in an idle state.
Optionally, the method further comprises:
the radio frequency signal processing unit is electrically connected with the digital signal processing unit and is used for receiving the electric power signal which is sent by the digital signal processing unit and processed by the logic processing unit and converting the electric power signal into a corresponding radio frequency signal;
and the antenna unit is electrically connected with the radio frequency signal processing unit and is used for transmitting the radio frequency signals corresponding to the power signals to a distribution network automation master station through an RDSS communication link.
A second aspect of an embodiment of the present invention provides an electrical signal transmission system, including an electrical signal transmission device, a distribution network automation feeder terminal electrically connected to the electrical signal transmission device, and a distribution network automation master station communicatively connected to the electrical signal transmission device; the power signal transmission equipment comprises a control unit, and a digital signal processing unit and a logic processing unit which are respectively electrically connected with the control unit, wherein the digital signal processing unit is electrically connected with the logic processing unit, and the logic processing unit comprises a plurality of RDSS (radio positioning system) logic channels; wherein:
the control unit is used for receiving data acquired by the automatic feeder terminal of the power distribution network and sending power data in the data to the digital signal processing unit;
the digital signal processing unit is used for modulating the received power data, obtaining a power signal corresponding to the power data and sending the power signal to the logic processing unit;
and the logic processing unit is used for processing the received power signal by adopting a target logic channel in the plurality of RDSS logic channels and returning the processed power signal to the digital signal processing unit so as to transmit the power signal to the power distribution network automation main station.
Compared with the prior art, the embodiment of the utility model provides an including following advantage:
the embodiment of the utility model provides a, through the logical processing unit that the configuration has a plurality of RDSS logical channel in power signal transmission equipment, can be after receiving the electric power data that distribution network automation feeder terminal gathered, the target logical channel who is in idle state among the calling above-mentioned logical processing unit and other circuit unit carry out data processing, and the power signal who obtains after the processing can transmit to distribution network automation main website through RDSS communication link. In the embodiment, a plurality of RDSS logic channels are configured in the power signal transmission equipment connected with the FTU, so that power signals can be transmitted based on the RDSS communication link, the effectiveness of signal transmission between the FTU and the power distribution network automation master station is ensured, and the problem that power signals cannot be transmitted in areas without mobile network coverage in the prior art is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural diagram of an electric power signal transmission apparatus according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a connection between a control unit and a distribution network automation feeder terminal according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a power signal transmission process according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an electric power signal transmission system according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. However, it will be apparent to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In The prior art, The FTU mainly uses a Mobile Communication Technology to communicate with The distribution network automation master station, such as General Packet Radio Service (GPRS), The fourth Generation Mobile Communication Technology (4G), and so on. In areas where the mobile network is uncovered or the mobile signal coverage is poor, the FTU cannot effectively communicate with the power distribution network automation master station.
In order to solve the problem, provided the utility model discloses the core design of embodiment lies in, through dispose a plurality of RDSS logic channel in the power signal transmission equipment that can realize big dipper Satellite Radio positioning System (Radio Determination Satellite System, RDSS) communication, realizes the communication between FTU and the distribution network automation main website based on RDSS communication link, promotes the reliability and the timeliness of three remote data (remote control, telemetering, remote signalling data) transmission of FTU.
As shown in fig. 1, it is a schematic structural diagram of an electric power signal transmission apparatus according to an embodiment of the present invention. The device comprises a control unit 101, and a digital signal processing unit 102 and a logic processing unit 103 which are respectively electrically connected with the control unit 101, wherein the digital signal processing unit 102 and the logic processing unit 103 can also be electrically connected, and the logic processing unit 103 further comprises a plurality of RDSS logic channels.
In the embodiment of the present invention, the control unit 101 includes a data interface. The control unit 101 may be connected to the distribution network automation feeder terminal through a data interface, and is configured to receive data collected by the distribution network automation feeder terminal.
Fig. 2 is a schematic diagram illustrating a connection between a control unit of a power signal transmission device and a distribution network automatic feeder terminal according to an embodiment of the present invention. In fig. 2, the control unit 101 includes at least two data interfaces, such as a primary data interface and a backup data interface. The main data interface and the standby data interface may be Universal Asynchronous Receiver Transmitter (UART) interfaces.
Typically, the control unit 101 may communicate data with the distribution network automation feeder terminal via a main data interface. When the main data interface fails to cause data transmission to be blocked, the control unit 101 may perform data transmission with the distribution network automation feeder terminal through the standby data interface.
In the embodiment of the present invention, the control unit 101 may receive data collected by the FTU, and send power data in the data to the digital signal processing unit 102; then, the digital signal processing unit may modulate the received power data, obtain a power signal corresponding to the power data, and send the power signal to the logic processing unit 103 for processing.
In the embodiment of the present invention, the logic processing unit 103 may determine the target logic channel capable of processing the above power data by detecting the operating states of the plurality of RDSS logic channels. In general, the target logical channel may be an RDSS logical channel in an idle state. The logic processing unit 103 may receive the power signal sent by the digital signal processing unit 102 through the target logic channel in the idle state; and then, the target logic channel is adopted to process the received power signal, the processed power signal is sent back to the digital signal processing unit 102, and the purpose of transmitting the power signal to the power distribution network automation master station is achieved through subsequent processing.
As shown in fig. 1, the embodiment of the present invention provides a power signal transmission apparatus, further including a radio frequency signal processing unit 104 electrically connected to the digital signal processing unit 102, and an antenna unit 105 electrically connected to the radio frequency signal processing unit 104, wherein the radio frequency signal processing unit 104 can be used to receive the power signal sent by the digital signal processing unit and processed by the logic processing unit 103, convert the received power signal into a corresponding radio frequency signal, and send the corresponding radio frequency signal to the antenna unit 105 for transmission. The antenna unit 105 may transmit the radio frequency signal corresponding to the power signal to the distribution network automation master station through the RDSS communication link, thereby implementing signal transmission between the FTU and the distribution network automation master station.
For ease of understanding, the following describes each circuit unit in the power signal transmission apparatus, and the transmission process of the power signal is described with reference to a specific example.
As shown in fig. 1, the power signal transmission apparatus mainly includes 5 circuit units, i.e., a control unit 101, a digital signal processing unit 102, a logic processing unit 103, a radio frequency signal processing unit 104, and an antenna unit 105, which are connected in sequence to form the power signal transmission apparatus with a multi-channel remote communication function.
The control unit 101, the digital signal processing unit 102, the logic processing unit 103, the radio frequency signal processing unit 104 and the antenna unit 105 can realize Beidou RDSS signal receiving and transmitting, signal processing, data analysis and communication protocol processing, and finally perform data interaction with the FTU through a data interface.
In a specific implementation, the antenna unit 105 is used to implement a transceiving process of a signal. When the signal receiving processing is performed, the unit can receive the signal from the satellite system, realize the filtering and amplification processing of the weak signal, and transmit the processed signal to other signal processing units. In signal transmission processing, the unit may filter and rf power amplify the signals from the various signal processing units of the RDSS and transmit the rf signals into the satellite system.
The rf signal processing unit 104 is used for amplifying and filtering the rf signal. During the signal receiving process, the rf signal processing unit 104 may amplify, filter, downconvert the received rf signal, perform digital-to-analog conversion, and transmit the processed rf signal to the digital signal processing unit 102. In the signal transmission process, the rf signal processing unit 104 may modulate, filter, amplify and transmit the digital signal from the digital signal processing unit 102 to the antenna unit 105. Meanwhile, the digital signal processing unit 102 can perform Beidou transmitting and receiving function switching and parameter configuration on the radio frequency signal processing unit 104, so that the radio frequency signal processing unit 104 can work in a controlled state.
In the signal receiving process, the digital signal processing unit 102 is used for performing spread spectrum pseudo code correlation processing, signal demodulation, useful signal extraction and the like on the received Beidou RDSS signal, and transmitting the processed signal to the control unit 101; in the process of signal transmission, the digital signal processing unit 102 is used for performing signal modulation, spreading pseudo code correlation processing and the like on data from the control unit 101, and transmitting the processed signal to the radio frequency signal processing unit 104.
The control unit 101 is a core unit of the entire device, and implements control, communication, channel adaptive switching, and communication interaction with the FTU of each circuit unit. For the Beidou RDSS link, the control unit 101 needs to complete data analysis processing of power data based on the Beidou RDSS communication link, and performs protocol processing on the analyzed power data according to a power communication protocol, so that the purpose that the power data such as remote measurement and remote communication of the FTU are sent to a power distribution network automation master station is achieved, and a remote control command from the master station is sent to the FTU is achieved.
In the structure shown in fig. 1, the logic processing unit 103 can implement the logic processing of the beidou RDSS multichannel. The logic processing unit 103 operates under the control of the control unit 101 and performs data interaction with the digital signal processing unit 102. Thus, the control unit 101, the digital signal processing unit 102, and the logic processing unit 103 form a closed loop for multi-channel logic and data processing.
In addition, the power signal transmission device may further include a power management unit (not shown in the figure) for implementing the relevant functions of the power processing, and may provide respective power supplies for the respective units of the power signal transmission device.
As shown in fig. 3, it is a schematic diagram of a power signal transmission process according to an embodiment of the present invention. According to the transmission process shown in fig. 3, after the power signal transmission device with the Beidou RDSS remote multichannel communication function shown in fig. 1 is powered on, the number of configured Beidou RDSS logical channels can be read, and if M are provided, when data needs to be sent, that is, when power data needing to be transmitted is received and sent to the distribution network automation master station, a transmitted target logical channel i can be set. Of course, the target logical channel may be set before the power data to be transmitted is received, which is not limited in this embodiment.
The embodiment of the utility model provides an in, through judging whether target logic channel i is in idle state, can guarantee the real-time of data processing and transmission. If the target logic channel i is in a non-idle state, the idle target logic channel can be determined to be i +1 again; if the target logical channel i is in an idle state, the channel can be started to transmit data. At this time, the control unit firstly sends the power data to the digital signal processing unit; and then, the digital signal processing unit sends the power data to the logic processing unit for logic matching and other processing, and after the processing is finished, the data is sent back to the digital signal processing unit. The data received by the digital signal processing unit is processed by a series of circuit units and then is sent out through the antenna unit.
On the other hand, when receiving data transmitted by the distribution network automation master station, the data can also be received through the antenna unit, and the received data can be monitored by the control unit after being processed by the radio frequency signal processing unit and the digital signal processing unit. The control unit can firstly carry out power protocol analysis on the received data, and then sends the analyzed power data which conforms to the power protocol to the FTU, so that the control of the FTU is realized. Through the process, effective communication between the FTU and the power distribution network automation main station can be realized.
The embodiment of the utility model provides a, through the logical processing unit that the configuration has a plurality of RDSS logical channel in power signal transmission equipment, can be after receiving the electric power data that distribution network automation feeder terminal gathered, the target logical channel who is in idle state among the calling above-mentioned logical processing unit and other circuit unit carry out data processing, and the power signal who obtains after the processing can transmit to distribution network automation main website through RDSS communication link. In the embodiment, a plurality of RDSS logic channels are configured in the power signal transmission equipment connected with the FTU, so that power signals can be transmitted based on the RDSS communication link, the effectiveness of signal transmission between the FTU and the power distribution network automation master station is ensured, and the problem that power signals cannot be transmitted in areas without mobile network coverage in the prior art is solved.
Corresponding to the power signal transmission equipment, the embodiment of the utility model also provides a power signal transmission system, which comprises the power signal transmission equipment, a power distribution network automatic feeder terminal electrically connected with the power signal transmission equipment, and a power distribution network automatic main station in communication connection with the power signal transmission equipment; the power signal transmission equipment in the embodiment comprises a control unit, and a digital signal processing unit and a logic processing unit which are respectively electrically connected with the control unit, wherein the digital signal processing unit is electrically connected with the logic processing unit, and the logic processing unit comprises a plurality of RDSS logic channels; wherein:
the control unit is used for receiving data acquired by the automatic feeder terminal of the power distribution network and sending power data in the data to the digital signal processing unit;
the digital signal processing unit is used for modulating the received power data, obtaining a power signal corresponding to the power data and sending the power signal to the logic processing unit;
and the logic processing unit is used for processing the received power signal by adopting a target logic channel in the plurality of RDSS logic channels and returning the processed power signal to the digital signal processing unit so as to transmit the power signal to the power distribution network automation main station.
The embodiment of the utility model provides an in, the control unit includes data interface, the control unit passes through data interface with distribution network automation feeder terminal connects, is used for receiving the data that distribution network automation feeder terminal gathered.
In an embodiment of the present invention, the control unit includes at least two data interfaces, the at least two data interfaces include a main data interface and a standby data interface, the main data interface and the standby data interface are a UART interface of the universal asynchronous receiver transmitter.
In the embodiment of the present invention, the logic processing unit is further configured to detect the operating status of the plurality of RDSS logic channels, and receive the power signal sent by the digital signal processing unit through a target logic channel in an idle status.
In an embodiment of the present invention, the power signal transmission device further includes:
the radio frequency signal processing unit is electrically connected with the digital signal processing unit and is used for receiving the electric power signal which is sent by the digital signal processing unit and processed by the logic processing unit and converting the electric power signal into a corresponding radio frequency signal;
and the antenna unit is electrically connected with the radio frequency signal processing unit and is used for transmitting the radio frequency signals to a distribution network automation master station through an RDSS communication link.
For the system embodiment, since it is basically similar to the device embodiment, it is described simply, and the relevant points can be referred to the description of the device embodiment.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. An electric power signal transmission device is characterized by comprising a control unit, and a digital signal processing unit and a logic processing unit which are respectively electrically connected with the control unit, wherein the digital signal processing unit is electrically connected with the logic processing unit, and the logic processing unit comprises a plurality of RDSS (radio positioning system) logic channels; wherein:
the control unit is used for receiving data acquired by the automatic feeder terminal of the power distribution network and sending power data in the data to the digital signal processing unit;
the digital signal processing unit is used for modulating the received power data, obtaining a power signal corresponding to the power data and sending the power signal to the logic processing unit;
and the logic processing unit is used for processing the received power signal by adopting a target logic channel in the plurality of RDSS logic channels and returning the processed power signal to the digital signal processing unit so as to transmit the power signal to the power distribution network automation main station.
2. The device of claim 1, wherein the control unit comprises a data interface, and the control unit is connected to the distribution network automation feeder terminal through the data interface and configured to receive data collected by the distribution network automation feeder terminal.
3. The apparatus according to claim 2, wherein the control unit comprises at least two data interfaces, the at least two data interfaces comprising a main data interface and a backup data interface, the main data interface and the backup data interface being UART interfaces.
4. The device according to any of claims 1-3, wherein the logic processing unit is further configured to detect an operating status of the plurality of RDSS logic channels, and receive the power signal sent by the digital signal processing unit through a target logic channel in an idle status.
5. The apparatus of claim 4, further comprising:
the radio frequency signal processing unit is electrically connected with the digital signal processing unit and is used for receiving the electric power signal which is sent by the digital signal processing unit and processed by the logic processing unit and converting the received electric power signal into a corresponding radio frequency signal;
and the antenna unit is electrically connected with the radio frequency signal processing unit and is used for transmitting the radio frequency signals corresponding to the power signals to a distribution network automation master station through an RDSS communication link.
6. A power signal transmission system is characterized by comprising power signal transmission equipment, a power distribution network automatic feeder terminal electrically connected with the power signal transmission equipment, and a power distribution network automatic main station in communication connection with the power signal transmission equipment; the power signal transmission equipment comprises a control unit, and a digital signal processing unit and a logic processing unit which are respectively electrically connected with the control unit, wherein the digital signal processing unit is electrically connected with the logic processing unit, and the logic processing unit comprises a plurality of RDSS (radio positioning system) logic channels; wherein:
the control unit is used for receiving data acquired by the automatic feeder terminal of the power distribution network and sending power data in the data to the digital signal processing unit;
the digital signal processing unit is used for modulating the received power data, obtaining a power signal corresponding to the power data and sending the power signal to the logic processing unit;
and the logic processing unit is used for processing the received power signal by adopting a target logic channel in the plurality of RDSS logic channels and returning the processed power signal to the digital signal processing unit so as to transmit the power signal to the power distribution network automation main station.
7. The system of claim 6, wherein the control unit comprises a data interface, and the control unit is connected to the distribution network automation feeder terminal through the data interface and is configured to receive data collected by the distribution network automation feeder terminal.
8. The system of claim 7, wherein the control unit comprises at least two data interfaces, the at least two data interfaces comprising a main data interface and a backup data interface, the main data interface and the backup data interface being UART interfaces.
9. The system according to any one of claims 6-8, wherein the logic processing unit is further configured to detect an operating status of the plurality of RDSS logic channels, and receive the power signal sent by the digital signal processing unit through a target logic channel in an idle status.
10. The system of claim 9, further comprising:
the radio frequency signal processing unit is electrically connected with the digital signal processing unit and is used for receiving the electric power signal which is sent by the digital signal processing unit and processed by the logic processing unit and converting the electric power signal into a corresponding radio frequency signal;
and the antenna unit is electrically connected with the radio frequency signal processing unit and is used for transmitting the radio frequency signals to a distribution network automation master station through an RDSS communication link.
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| CN202020998337.7U CN212572191U (en) | 2020-06-03 | 2020-06-03 | Power signal transmission apparatus and power signal transmission system |
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| CN202020998337.7U CN212572191U (en) | 2020-06-03 | 2020-06-03 | Power signal transmission apparatus and power signal transmission system |
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