CN212305331U - Communication terminal and communication system - Google Patents
Communication terminal and communication system Download PDFInfo
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- CN212305331U CN212305331U CN202020998338.1U CN202020998338U CN212305331U CN 212305331 U CN212305331 U CN 212305331U CN 202020998338 U CN202020998338 U CN 202020998338U CN 212305331 U CN212305331 U CN 212305331U
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Abstract
The utility model is suitable for a communication technology field provides a communication terminal and communication system, communication terminal includes: the device comprises an equipment main control device, and an RDSS signal processing device and a mobile signal processing device which are respectively connected with the equipment main control device through corresponding data interfaces; the equipment main control device is used for monitoring the signal strength of a communication link communicated with the power distribution network master station, wherein the communication link comprises an RDSS communication link and a mobile communication link; the RDSS signal processing device is used for transmitting the received power data to be transmitted to the power distribution network master station when the signal intensity of the RDSS communication link is stronger than that of the mobile communication link; otherwise, the received power data to be transmitted are transmitted to the power distribution network main station through the mobile signal processing device. The equipment main control device selects a corresponding data transmission channel to transmit power data according to the strength of the signal, and the data transmission between the feeder terminal and the power distribution network main station is more reliable.
Description
Technical Field
The utility model belongs to the technical field of communication, especially, relate to a communication terminal and communication system.
Background
In a power distribution network system, each pole-mounted switch device is provided with a set of distribution network automatic Feeder Terminal (FTU) to realize monitoring of a pole-mounted switch. However, the remote communication modules in the existing feeder terminals all adopt a mobile communication mode to perform data transmission, and because the mobile communication mode is limited by the influence of terrain and topography, in a place with poor mobile signal coverage, the feeder terminals cannot effectively communicate with the distribution network automation master station, so that the feeder terminals and the distribution network automation master station cannot perform effective data transmission, and the normal work of the distribution network automation master station is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a communication terminal and communication system can solve current feeder terminal and carry out data transmission's unreliable problem through between mobile communication mode and the distribution network automation main website.
In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a communication terminal including: the device comprises an equipment main control device, and an RDSS signal processing device and a mobile signal processing device which are respectively connected with the equipment main control device through corresponding data interfaces; wherein: the equipment main control device is used for monitoring the signal strength of a communication link communicated with a power distribution network main station, wherein the communication link comprises an RDSS communication link and a mobile communication link; the RDSS signal processing device is used for transmitting the received power data to be transmitted to the power distribution network main station when the signal intensity of the RDSS communication link is stronger than that of the mobile communication link; and the mobile signal processing device is used for transmitting the received power data to be transmitted to the power distribution network main station when the signal intensity of the mobile communication link is stronger than that of the RDSS communication link.
Optionally, the device main control apparatus includes a main control unit, an RDSS interface processing unit, and a mobile interface processing unit, the RDSS signal processing unit is connected to the main control unit through the RDSS interface processing unit, the RDSS interface processing unit is configured to analyze an RDSS signal to obtain RDSS identification information and RDSS data information of the RDSS signal, and when the RDSS identification information is field strength type information, the RDSS data information is used to indicate signal strength of the RDSS communication link; the mobile signal processing device is connected with the main control unit through the mobile interface processing unit, the mobile interface processing unit is used for analyzing mobile signals to obtain mobile identification information and mobile data information of the mobile signals, and when the mobile identification information is field intensity type information, the mobile data information is used for indicating the signal intensity of the mobile communication link.
Optionally, the main control unit is further connected to a feeder terminal through an RDSS data line and a mobile data line, and the RDSS interface processing unit is further configured to transmit the RDSS signal to the feeder terminal through the RDSS data line when the RDSS identification information is non-field strength type information; and the mobile interface processing unit is also used for transmitting the mobile signal to the feeder line terminal through the mobile data line when the mobile identification information is non-field intensity information.
Optionally, the RDSS signal processing apparatus includes an RDSS data interface, the device master control apparatus further includes a first data interface connected to the RDSS interface processing unit, and the RDSS data interface is physically connected to the first data interface through a first data line, so as to connect the RDSS signal processing apparatus to the RDSS interface processing unit.
Optionally, the mobile signal processing apparatus further includes a mobile data interface, the device master control apparatus further includes a second data interface connected to the mobile interface processing unit, and the mobile data interface is physically connected to the second data interface through a second data line, so as to connect the mobile signal processing apparatus to the mobile interface processing unit.
Optionally, the RDSS signal processing apparatus includes an analog signal processing unit, and a digital signal processing unit connected to the analog signal processing unit; the digital signal processing unit is used for receiving the power data to be transmitted and transmitting the power data to be transmitted to the analog signal processing unit; and the analog signal processing unit is used for performing analog-to-digital conversion on the power data to be transmitted and transmitting the converted power data to the power distribution network master station.
Optionally, the analog signal processing unit includes a first intermediate frequency interface, a first control interface, and a first data transmission interface, the digital signal processing unit includes a second intermediate frequency interface, a second control interface, and a second data transmission interface, and the first intermediate frequency interface and the second intermediate frequency interface are connected in a parallel interface manner; the first data sending interface is connected with the second data sending interface in a single-wire serial port mode; the first control interface and the second control interface are connected by adopting a serial peripheral interface.
Optionally, the RDSS signal processing apparatus further includes an RDSS antenna, the RDSS antenna is connected to the analog signal processing unit, and the RDSS antenna transmits the converted power data to the distribution network master station.
Optionally, the communication terminal further includes a power supply device, the power supply device is connected to the RDSS signal processing device, the mobile signal processing device, and the device main control device, and the power supply device is configured to provide power for the RDSS signal processing device, the mobile signal processing device, and the device main control device.
The utility model also provides a communication system, including communication terminal, feeder terminal and distribution network main website, communication terminal is above-mentioned arbitrary item communication terminal.
Compared with the prior art, the embodiment of the utility model beneficial effect who exists is: after the main control device is connected with the RDSS signal processing device and the mobile signal processing device at the same time, the main control device selects the corresponding signal processing device to transmit power data to be transmitted according to the signal strength of the RDSS signal strength and the mobile signal strength, so that normal communication between the feeder terminal and the power distribution network main station is ensured, and data transmission between the feeder terminal and the power distribution network main station is more reliable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a communication terminal according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a communication system according to an embodiment of the present invention;
fig. 3 is a schematic view of a partial structure inside a communication terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an analog signal processing unit and a digital signal processing unit inside a communication terminal according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another analog signal processing unit and a digital signal processing unit inside a communication terminal according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-an equipment main control device, a 2-RDSS signal processing device, a 3-mobile signal processing device, a 4-power supply device, a 5-feeder terminal and a 6-distribution network main station;
11-a first data line, 12-a second data line, 13-a main control unit and 14-RDSS interface processing units;
21-an analog signal processing unit; 211-RDSS analog transmitting channel, 212-digital-analog converter, 213-RDSS analog receiving channel and 214-analog-digital converter; 22-a digital signal processing unit; 221-RDSS digital transmitting channel, 222-RDSS digital receiving channel and 223-signal processing interface; a 23-RDSS antenna;
31-mobile signal circuit unit 31, 32-mobile antenna;
41-power management unit.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-5 are exemplary and intended to be used to illustrate the invention, but should not be construed as limiting the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, fig. 1 shows a schematic structural diagram of a communication terminal provided by an embodiment of the present invention, which is detailed as follows:
a communication terminal, comprising: the device comprises an equipment main control device 1, and an RDSS signal processing device 2 and a mobile signal processing device 3 which are respectively connected with the equipment main control device 1 through corresponding data interfaces; wherein: the device main control device 1 is configured to monitor signal strength of a communication link in communication with a distribution network master station, where the communication link includes an RDSS communication link and a mobile communication link; the RDSS signal processing device 2 is used for transmitting the received power data to be transmitted to the power distribution network master station when the signal intensity of the RDSS communication link is stronger than that of the mobile communication link; and the mobile signal processing device 3 is configured to transmit the received power data to be transmitted to the power distribution network master station when the signal strength of the mobile communication link is stronger than the signal strength of the RDSS communication link.
Specifically, the data Interface may be a virtual Application Programming Interface (API), the device host 1 establishes signal connection or wireless connection with the RDSS signal processing apparatus 2 and the mobile signal processing apparatus 3, or may be a physical Interface, such as a Universal Serial BUS (USB), and the device host 1 establishes physical connection with the RDSS signal processing apparatus 2 and the mobile signal processing apparatus 3 through a data line, which is not limited thereto. In the present embodiment, for convenience of explanation, a physical interface is taken as an example for analysis.
Specifically, the power data to be sent may be current data, voltage data, and power data, which are not limited to this, and the power data to be sent is transmitted to the communication terminal by the feeder terminal, and then the power data to be sent is forwarded to the distribution network master station by the communication terminal. After the device main control device 1 is connected with the RDSS signal processing device 2 and the mobile signal processing device 3, the RDSS signal intensity received by the RDSS signal processing device 2 can be obtained, meanwhile, the mobile signal intensity received by the mobile signal processing device 3 can also be obtained, when the RDSS signal intensity is stronger than the mobile signal intensity, the power data to be transmitted are transmitted to the RDSS signal processing device 2, and the RDSS signal processing device 2 transmits the power data with transmission to a power distribution network master station; or, when the mobile signal strength is stronger than the RDSS signal strength, the power data to be transmitted is transmitted to the mobile signal processing device 3, and the mobile signal processing device 3 transmits the power data to be transmitted to the distribution network master station. When the mobile signal strength is equal to the RDSS signal strength, the mobile signal processing device 3 may also be selected to transmit the power data to be transmitted.
Specifically, the device main control apparatus 1 may obtain power data to be transmitted by the feeder terminal, then monitor signal strength of a communication link, such as an RDSS communication link and a mobile communication link, communicating with the distribution network master station, and then determine a target communication link according to the signal strength of the RDSS link and the mobile communication link; the device main control apparatus 1 transmits the power data to be transmitted to the distribution network main station through a target communication link (RDSS communication link or mobile communication link). Wherein the determining the target communication link may be; if the signal intensity of the RDSS link is stronger than that of the mobile communication link, determining the RDSS link as a target communication link, otherwise, determining the mobile communication link as the target communication link; then, the power data to be transmitted can be packaged into power data meeting the transmission requirement of a target communication link; and transmitting the encapsulated target data to the power distribution network master station through the target communication link.
In this embodiment, after the device main control device is connected to the RDSS signal processing device and the mobile signal processing device at the same time, the device main control device selects the corresponding signal processing device to transmit the power data to be transmitted according to the signal strength of the RDSS signal strength and the mobile signal strength, so as to ensure normal communication between the feeder terminal and the distribution network main station, and make data transmission between the feeder terminal and the distribution network main station more reliable.
Referring to fig. 2, in an embodiment, the device main control apparatus 1 includes a main control unit 13, an RDSS interface processing unit 14, and a mobile interface processing unit (not shown in the figure), the RDSS signal processing unit 2 is connected to the main control unit 13 through the RDSS interface processing unit 14, the RDSS interface processing unit 14 is configured to analyze an RDSS signal to obtain RDSS identification information and RDSS data information of the RDSS signal, and when the RDSS identification information is field strength type information, the RDSS data information is used to indicate signal strength of the RDSS communication link;
the mobile signal processing device 3 is connected to the main control unit 13 through the mobile interface processing unit, the mobile interface processing unit is configured to analyze a mobile signal to obtain mobile identification information and mobile data information of the mobile signal, and when the mobile identification information is field strength type information, the mobile data information is used to indicate signal strength of the mobile communication link.
Specifically, the core of the main control unit 13 is a microprocessor STM32F103RF, the UART data interface of the microprocessor is connected to the RDSS signal processing apparatus 2, which includes a chip integrated timer, a Controller Area Network (CAN), a USB, a UART, and other functions, the functions included in the microprocessor are closest to the functions to be processed by the main control apparatus 1 of the internal device of the communication terminal, and the microprocessor of other modules is selected, either the functions do not meet the requirements, or the functions are missing or include other functions, and cannot be utilized to the maximum extent. The RDSS interface processing unit 14 may be a unit module configured to establish signal connection with the main control unit 13, and when the RDSS signal processing device 2 transmits data to the main control unit 13, the RDSS interface processing unit 14 needs to be passed first; the main control unit 13 may be provided with a logic discrimination program, which is not limited to this. The module function and the logic discrimination program of the RDSS interface processing unit 14 are both in analyzing RDSS signals to obtain RDSS identification information and RDSS data information of the RDSS signals, and when the RDSS identification information is field strength type information, the RDSS data information is used for indicating the signal strength of the RDSS communication link. The mobile interface processing unit and the RDSS interface processing unit 14 have similar structures and functions, and are not described in detail here.
Referring to fig. 2, in an embodiment, the main control unit 13 is further connected to the feeder terminal 5 through an RDSS data line and a mobile data line, respectively, and the RDSS interface processing unit 14 is further configured to transmit the RDSS signal to the feeder terminal 5 through the RDSS data line when the RDSS identification information is non-field strength type information; and the mobile interface processing unit is further configured to transmit the mobile signal to the feeder terminal 5 through the mobile data line when the mobile identification information is non-field strength type information.
Specifically, the RDSS data line and the mobile data line may be both Universal Serial BUS (USB) interface connections, where the interface between the device main control apparatus 1 and the feeder terminal 5 may be a USB interface, or may also be a Universal Asynchronous Receiver/Transmitter (UART) Serial port, and the corresponding RDSS data line and the mobile data line are UART-type data lines in fig. 2, which is not limited thereto. In addition, when the RDSS identification information is non-field strength type information, the RDSS interface processing unit 14 may transmit the RDSS signal to the feeder terminal 5 through an RDSS data line. The mobile interface processing unit and the RDSS interface processing unit 14 have similar structures and functions, and are not described in detail here.
In this embodiment, the device main control apparatus and the feeder terminal are connected by corresponding data lines, and the RDSS signal can be transmitted to the feeder terminal when the received RDSS signal is a non-field-intensity signal, or the mobile signal can be transmitted to the feeder terminal when the received mobile signal is a non-field-intensity signal, so that the non-field-intensity type power data between the feeder terminal and the distribution network master station can be normally transmitted and communicated.
Referring to fig. 3, in an embodiment, the RDSS signal processing apparatus 2 includes an RDSS data interface, and the device master control apparatus 1 further includes a first data interface connected to the RDSS interface processing unit 14, where the RDSS data interface is physically connected to the first data interface through a first data line 11, so as to connect the RDSS signal processing apparatus 2 to the RDSS interface processing unit 14.
Specifically, the first data interface (not shown) and the RDSS data interface (not shown) may be both Universal Asynchronous Receiver/Transmitter (UART) serial ports, and interface with each other through USB data lines, so that a Central Processing Unit (CPU) inside the device main control apparatus 1 may first put data to be written into the RDSS signal Processing apparatus 2 into a register (temporary memory block) of the UART, and then transmit the data to the RDSS signal Processing apparatus 2 through a first input first output (fifo), and if there is no fifo, the transmitted data will become chaotic, and thus the RDSS signal Processing apparatus 2 cannot process the transmitted data.
In this embodiment, the UART data interface is used to establish the connection between the RDSS signal processing apparatus and the device main control apparatus, so that the data transmission between the RDSS signal processing apparatus and the device main control apparatus becomes orderly, and the data transmission of the communication terminal is further stabilized.
In an embodiment, the mobile signal processing apparatus 3 further includes a mobile data interface, and the device master control apparatus 1 further includes a second data interface connected to the mobile interface processing unit, where the mobile data interface and the second data interface are physically connected through a second data line 12, so as to connect the mobile signal processing apparatus 3 to the mobile interface processing unit.
Specifically, the mobile data interface (not shown) and the second data interface (not shown) may also be both UART interfaces, and the connection structure and function thereof are also similar to the connection structure and function between the RDSS data interface and the first data interface, which will not be described in detail.
Referring to fig. 2 and 4, in an embodiment, the RDSS signal processing apparatus 2 includes an analog signal processing unit 21, and a digital signal processing unit 22 connected to the analog signal processing unit 21; the digital signal processing unit 22 is configured to receive the power data to be transmitted and transmit the power data to be transmitted to the analog signal processing unit 21; the analog signal processing unit 21 is configured to perform analog-to-digital conversion on the power data to be transmitted, and transmit the converted power data to the distribution network master station 6.
Specifically, the Analog signal processing unit 21 is a DA-T6 chip, the Digital signal processing unit 22 is a TD1100A chip, the DA-T6 chip includes an RDSS Analog transmission channel 211, a Digital-to-Analog Converter 212 (DAC), an RDSS Analog reception channel 213, and an Analog-to-Digital Converter (ADC) 214, and the TD1100A chip includes an RDSS Digital transmission channel 221, an RDSS Digital reception channel 222, and a signal processing interface 223. When the power data to be transmitted is transmitted, the signal processing interface 223 is a RDSS data interface connected to a first data interface (RDSS interface processing unit 14), and is configured to receive the power data to be transmitted from the main control unit 13. At this time, the power data to be transmitted is a data signal in the RDSS frame format, and both the digital signal processing unit 22 and the analog signal processing unit 21 perform signal processing only on the power data to be transmitted. For example, the signal processing interface 223 is further connected to the DAC digital-to-analog converter 212 through the RDSS digital transmission channel 221, and is used for transmitting the power data to be transmitted into the DAC digital-to-analog converter 212 through the digital transmission channel. The signal processing interface 223 is used for isolating the transmitting signal from the receiving signal, so as to ensure that the receiving signal and the transmitting signal can work normally at the same time, the DAC 212 can convert the digital signal corresponding to the power data into an analog signal to realize data conversion, and then the RDSS analog transmitting channel 211 connected with the DAC 212 performs spread spectrum pseudo code correlation processing on the digital signal for transmission. When the RDSS signal processing device 2 receives an RDSS signal, the RDSS analog receiving channel 213 may perform spread spectrum pseudo code correlation processing on the RDSS signal, and send the processed RDSS signal to the ADC 214 connected to the RDSS analog receiving channel 213, for converting the analog signal into a digital signal, and then transmit the digital signal to the RDSS digital receiving channel 222, and the RDSS digital receiving channel 222 performs signal demodulation and sends the signal to the signal processing interface 223, and then the signal processing interface 223 sends the signal to the main control unit 13 through the first data interface.
In this embodiment, the RDSS analog receiving channel in the analog signal processing unit is connected to the ADC, and then the RDSS digital receiving channel and the signal processing interface in the digital signal processing unit are connected to implement the receiving process of the RDSS signal by the communication terminal, and the RDSS digital transmitting channel in the digital signal processing unit is connected to the DAC of the analog signal processing unit, and then the RDSS analog transmitting channel is connected to implement the transmitting process of the RDSS signal by the communication terminal, so that data between the feeder terminal and the distribution network automation master station can be transmitted through the communication terminal, and the reliability of data transmission between the two is ensured.
Referring to fig. 2, in other embodiments, after the target communication link is determined, the control data sent by the distribution network master station 6 may be received through the target communication link, and the control data is parsed according to a frame format parsing rule of the target communication link to obtain target control data, and the target control data is transmitted to the feeder terminal 5. For example, for an RDSS communication link, both received control data and power data to be transmitted need to be encapsulated in an RDSS frame format. The received monitoring data transmitted by the feeder terminal 5 is extracted from the monitoring data by the device main control device 1 according to a preset frame format analysis rule (RDSS frame format analysis rule), the power data to be transmitted is transmitted to the analog signal unit and the digital signal processing unit 22 in the RDSS signal processing device 2, and the power data to be transmitted is packaged into target data (packaged power data) meeting the transmission requirement of the RDSS communication link and transmitted to the distribution network master station 6.
Referring to fig. 5, in an embodiment, the analog signal processing unit 21 includes a first intermediate frequency interface, a first control interface, and a first data transmission interface, and the digital signal processing unit 22 includes a second intermediate frequency interface, a second control interface, and a second data transmission interface, where the first intermediate frequency interface and the second intermediate frequency interface are connected in a parallel interface manner; the first data sending interface is connected with the second data sending interface in a single-wire serial port mode; the first control interface and the second control interface are connected by adopting a serial peripheral interface.
Specifically, the first intermediate frequency Interface and the second intermediate frequency Interface are both digital intermediate frequency interfaces and adopt a parallel Interface form to perform unidirectional connection between the analog signal processing unit 21 and the digital signal processing unit 22, the first control Interface and the second control Interface are both Serial Peripheral Interfaces (SPI), the Serial Peripheral interfaces are adopted to perform bidirectional connection between the analog signal processing unit 21 and the digital signal processing unit 22, and the first data transmission Interface and the second data transmission Interface adopt a single-wire Serial Interface form to perform unidirectional connection between the digital signal processing unit 22 and the analog signal processing unit 21. The connections between the analog signal processing unit 21 and the digital signal processing unit 22 are specifically digital intermediate frequency interfaces D3-D0, a 50MHz synchronous clock, an SPI control interface, and a data transmission interface. The data format is signed data, where D3 represents a sign bit and D2-D0 are data bits. The analog signal processing unit 21 processes the received signal through the interface by the ADC and then sends the processed signal to the digital signal processing unit 22 for related signal processing and signal extraction; the transmitting data interface adopts a single-wire serial port form and transmits data bit serial data. The digital signal processing unit 22 processes the transmitted data through the interface by using a DAC, then transmits the processed data to the analog signal processing unit 21 for data modulation, and then transmits the data to a transmitting channel; the analog signal processing unit 21 provides a reference 50MHz synchronous clock to the digital signal processing unit 22 to realize time synchronization during data interaction; the digital signal processing unit 22 and the analog signal processing unit 21 are connected through an SPI interface, wherein the digital signal processing unit 22 serves as a master device of the SPI interface, and the analog signal processing unit 21 serves as a slave device of the SPI interface; the digital signal processing unit 22 can monitor and control the status of the analog signal processing unit 21 through the SPI interface.
In this embodiment, the analog signal processing unit and the digital signal processing unit are connected through the interface, so that the RDSS signal processing device can process the received RDSS signal and send the RDSS signal to the feeder terminal through the main control unit, and process the power data to be sent from the main control unit and send the power data to the distribution network master station, thereby realizing that data between the feeder terminal and the distribution network master station can be effectively transmitted through the communication terminal.
In an embodiment, referring to fig. 2, the RDSS signal processing apparatus 2 includes an RDSS antenna 23, the RDSS antenna 23 is connected to the analog signal processing unit 21, and the converted power data is transmitted to the distribution network master station 6 through the RDSS antenna 23. Specifically, the RDSS signal needs to be transmitted by the RDSS antenna 23, wherein the RDSS antenna 23 may be physically connected to the analog signal processing unit 21 through a physical interface. In addition, the mobile signal processing device 3 also includes a mobile antenna 32, which can be physically connected to the mobile signal circuit unit 31, and will not be described in detail.
In an embodiment, referring to fig. 1 and fig. 2, the communication terminal further includes a power supply device 4, the power supply device 4 is respectively connected to the RDSS signal processing device 2, the mobile signal processing device 3, and the device main control device 1, and the power supply device 4 is configured to provide power to the RDSS signal processing device 2, the mobile signal processing device 3, and the device main control device 1. Specifically, the power supply apparatus 4 further includes a power supply management unit 41 electrically connected to each unit among the RDSS signal processing apparatus 2, the mobile signal processing apparatus 3, and the device main control apparatus 1 through a circuit. In addition, in other examples, the communication terminal may be connected to the feeder terminal 5 through a physical interface, such as a UART interface, and the power management unit 414 may receive power provided by the feeder terminal 5, in which case the power supply unit 4 only serves the purpose of distributing power to each unit inside each unit.
In an embodiment, referring to fig. 2, a communication system includes a communication terminal, a feeder terminal 5 and a distribution network master station 6, where the communication terminal is the communication terminal in any one of the above embodiments. Specifically, the device main control apparatus 1 inside the communication terminal further includes a third data interface (not shown in the figure) and a fourth data interface (not shown in the figure), and the corresponding feeder terminal 55 includes a fifth data interface (not shown in the figure) and a sixth data interface (not shown in the figure), which are both UART interfaces, wherein the third data interface and the fifth data interface are connected by a UART-type data line for transmitting non-field-intensity data of the RDSS signal, and the fourth data interface and the fifth data interface are connected by a UART-type data line for transmitting non-field-intensity data of the mobile signal; the communication terminal and the distribution network main station 6 can establish signal connection through the mobile antenna 32 or the RDSS antenna 23, so that data between the feeder terminal 55 and the distribution network main station 6 can be effectively transmitted through the communication terminal.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A communication terminal, comprising: the device comprises an equipment main control device, and an RDSS signal processing device and a mobile signal processing device which are respectively connected with the equipment main control device through corresponding data interfaces; wherein:
the equipment main control device is used for monitoring the signal strength of a communication link communicated with a power distribution network main station, wherein the communication link comprises an RDSS communication link and a mobile communication link;
the RDSS signal processing device is used for transmitting the received power data to be transmitted to the power distribution network main station when the signal intensity of the RDSS communication link is stronger than that of the mobile communication link;
and the mobile signal processing device is used for transmitting the received power data to be transmitted to the power distribution network main station when the signal intensity of the mobile communication link is stronger than that of the RDSS communication link.
2. The communication terminal of claim 1, wherein the device master control apparatus includes a master control unit, an RDSS interface processing unit, and a mobile interface processing unit, the RDSS signal processing unit is connected to the master control unit through the RDSS interface processing unit, the RDSS interface processing unit is configured to analyze an RDSS signal to obtain RDSS identification information and RDSS data information of the RDSS signal, and when the RDSS identification information is field strength type information, the RDSS data information is used to indicate signal strength of the RDSS communication link;
the mobile signal processing device is connected with the main control unit through the mobile interface processing unit, the mobile interface processing unit is used for analyzing mobile signals to obtain mobile identification information and mobile data information of the mobile signals, and when the mobile identification information is field intensity type information, the mobile data information is used for indicating the signal intensity of the mobile communication link.
3. The communication terminal of claim 2, wherein the main control unit is further connected to a feeder terminal through an RDSS data line and a mobile data line, respectively, and the RDSS interface processing unit is further configured to transmit the RDSS signal to the feeder terminal through the RDSS data line when the RDSS identification information is non-field strength type information; and the mobile interface processing unit is also used for transmitting the mobile signal to the feeder line terminal through the mobile data line when the mobile identification information is non-field intensity information.
4. The communication terminal according to claim 2, wherein the RDSS signal processing means includes an RDSS data interface, the device host control means further includes a first data interface connected to the RDSS interface processing unit, and the RDSS data interface is physically connected to the first data interface through a first data line to connect the RDSS signal processing means to the RDSS interface processing unit.
5. The communication terminal of claim 2, wherein the mobile signal processing apparatus further comprises a mobile data interface, the device master control apparatus further comprises a second data interface connected to the mobile interface processing unit, and the mobile data interface is physically connected to the second data interface through a second data line to connect the mobile signal processing apparatus to the mobile interface processing unit.
6. The communication terminal according to any of claims 1-5, wherein the RDSS signal processing means comprises an analog signal processing unit, and a digital signal processing unit connected to the analog signal processing unit;
the digital signal processing unit is used for receiving the power data to be transmitted and transmitting the power data to be transmitted to the analog signal processing unit;
and the analog signal processing unit is used for performing analog-to-digital conversion on the power data to be transmitted and transmitting the converted power data to the power distribution network master station.
7. The communication terminal according to claim 6, wherein the analog signal processing unit comprises a first intermediate frequency interface, a first control interface and a first data transmission interface, the digital signal processing unit comprises a second intermediate frequency interface, a second control interface and a second data transmission interface, and the first intermediate frequency interface and the second intermediate frequency interface are connected in a parallel interface manner; the first data sending interface is connected with the second data sending interface in a single-wire serial port mode; the first control interface and the second control interface are connected by adopting a serial peripheral interface.
8. The communication terminal of claim 6, wherein the RDSS signal processing means further comprises an RDSS antenna, the RDSS antenna being connected to the analog signal processing unit, the RDSS antenna transmitting the converted power data to the distribution network master station.
9. The communication terminal according to any of claims 1-5 or 7-8, wherein the communication terminal further comprises a power supply device, the power supply device is connected to the RDSS signal processing device, the mobile signal processing device and the device master control device respectively, and the power supply device is used for supplying power to the RDSS signal processing device, the mobile signal processing device and the device master control device.
10. A communication system comprising communication terminals, feeder terminals and a distribution network master station, wherein the communication terminals are according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020998338.1U CN212305331U (en) | 2020-06-03 | 2020-06-03 | Communication terminal and communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020998338.1U CN212305331U (en) | 2020-06-03 | 2020-06-03 | Communication terminal and communication system |
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