CN114268338A - Electric power telecommunication module with double 4G channels - Google Patents
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Abstract
The present application relates to a power telecommunication module with dual 4G channels. The electric power remote communication module with double 4G channels provided by the application can realize that the power grid service terminal and two master stations simultaneously carry out remote communication through two 4G CAT1 modules, and the service access capacity of the power grid service terminal is improved. The module comprises a terminal interface circuit, a USB HUB chip, a first 4G CAT1 module, a second 4G CAT1 module, a first 4G antenna connected with the first 4G CAT1 module, and a second 4G antenna connected with the second 4G CAT1 module; the terminal interface circuit is connected with a power grid service terminal and the USB HUB chip, acquires service data from the power grid service terminal and transmits the service data to the USB HUB chip; the USB HUB chip is respectively connected with the first 4G CAT1 module and the second 4G CAT1 module, and is used for dividing the service data into two paths of sub-service data and respectively transmitting the sub-service data to the first 4G CAT1 module and the second 4G CAT1 module; and the first 4G CAT1 module and the second 4G CAT1 module respectively convert the sub-service data into radio frequency signals and respectively transmit the radio frequency signals to the 4G antenna.
Description
Technical Field
The application relates to the technical field of smart power grids, in particular to an electric power remote communication module with double 4G channels.
Background
With the development of digital power grid technology, various devices connected to a power network are more and more in number and variety, and the requirement for remote communication between the various power devices is higher and higher.
At present, a remote communication module used by a power grid metering service terminal is mostly a single-channel 4G module and can only carry out remote communication with a metering service master station. However, in the current digital power grid, new converged service terminals such as intelligent power distribution gateways and new generation concentrators are frequently used, and these new terminals need to remotely communicate with two or more service master stations at the same time. Therefore, the existing power telecommunication module with only a single channel cannot meet the communication capability requirement of the current terminal equipment.
Disclosure of Invention
In view of the above, it is necessary to provide a power telecommunication module having dual 4G channels in order to solve the above technical problems.
The application provides a power telecommunication module that possesses two 4G passageways, the module includes: the USB interface circuit comprises a terminal interface circuit, a USB HUB chip, a first 4G CAT1 module, a second 4G CAT1 module, a first 4G antenna connected with the first 4G CAT1 module, and a second 4G antenna connected with the second 4G CAT1 module; wherein the content of the first and second substances,
the terminal interface circuit is connected with a power grid service terminal and the USB HUB chip and is used for acquiring service data from the power grid service terminal and transmitting the service data to the USB HUB chip;
the USB HUB chip is respectively connected with the first 4G CAT1 module and the second 4G CAT1 module, and is used for dividing the service data into two paths of sub-service data and respectively transmitting the two paths of sub-service data to the first 4G CAT1 module and the second 4G CAT1 module;
the first 4G CAT1 module and the second 4G CAT1 module are respectively configured to convert the corresponding sub-service data into radio frequency signals and respectively transmit the radio frequency signals to the first 4G antenna and the second 4G antenna.
In one embodiment, the module further comprises a GNSS module; wherein the content of the first and second substances,
the GNSS module is connected with the terminal interface circuit through a UART interface and used for acquiring self positioning information from a Beidou positioning system, transmitting the positioning information to the terminal interface circuit through the UART interface and transmitting the positioning information to the power grid service terminal through the terminal interface circuit.
In one embodiment, the USB HUB chip is further configured to split the service data into the two paths of sub-service data according to a source address of the service data; wherein, each path of the sub-service data corresponds to different source end addresses.
In one embodiment, the terminal interface circuit comprises 22X15 double rows of pins.
In one embodiment, the first 4G CAT1 module and the second 4G CAT1 module are EC 600S-CN.
In one embodiment, the USB HUB chip has a chip model of SMSC USB 2514B.
In one embodiment, the model of the GNSS module is L76K.
In one embodiment, the first 4G CAT1 module is loaded with a first 4G communication card; and a second 4G communication card is loaded in the second 4G CAT1 module.
In one embodiment, the first 4G antenna and the second 4G antenna are respectively configured to convert the radio frequency signal into a wireless signal on a preset frequency band, and send the wireless signal to a corresponding base station.
In one embodiment, the USB HUB chip is further configured to transmit the sub-service data to the first 4G CAT1 module and the second 4G CAT1 module through USB interfaces respectively.
The above-mentioned electric power telecommunication module that possesses two 4G passageways includes: the USB interface circuit comprises a terminal interface circuit, a USB HUB chip, a first 4G CAT1 module, a second 4G CAT1 module, a first 4G antenna connected with the first 4G CAT1 module, and a second 4G antenna connected with the second 4G CAT1 module; the terminal interface circuit is connected with a power grid service terminal and the USB HUB chip, and is used for acquiring service data from the power grid service terminal and transmitting the service data to the USB HUB chip; the USB HUB chip is connected to the first 4G CAT1 module and the second 4G CAT1 module, and is configured to divide the service data into two paths of sub-service data and transmit the two paths of sub-service data to the first 4G CAT1 module and the second 4G CAT1 module, respectively; the first 4G CAT1 module and the second 4G CAT1 module are respectively configured to convert the corresponding sub-service data into radio frequency signals and respectively transmit the radio frequency signals to the first 4G antenna and the second 4G antenna. Compared with a traditional single-channel 4G module, the electric power remote communication module with double 4G channels provided by the application can realize that the power grid service terminal and two master stations simultaneously carry out remote communication through two 4G CAT1 modules, and improves the service access capacity of the power grid service terminal.
Drawings
FIG. 1 is a diagram of an application environment of a power telecommunications module with dual 4G channels in one embodiment;
FIG. 2 is a schematic diagram of a dual 4G channel power telecommunications module in one embodiment;
FIG. 3 is a diagram of the internal structure of a computer device in one embodiment;
fig. 4 is an internal structural view of a computer device in another embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The electric power telecommunication module with the double 4G channels provided by the embodiment of the application can be applied to the application environment shown in FIG. 1. The electric power remote communication module with the double 4G channels can be installed on a power grid service terminal, is a module with wireless communication capacity, and is used for providing an information transmission channel for the power grid service master station and the power grid service terminal. The power grid service master station 101 communicates with the power telecommunication module 102 with the dual 4G channel through a terminal interface circuit. The electric power telecommunication module 102 with dual 4G channels can simultaneously access two power grid service terminals, distribute service data of each terminal to different USB interfaces, transmit the service data to the 4G antenna through the USB interfaces, and transmit the service data to a corresponding base station through the 4G antenna. The data storage system may store data that the grid service terminal 101 needs to process. The data storage system may be integrated on the grid service master station 101, or may be placed on the cloud or other network servers. The grid service master station 101 may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers, internet of things devices and portable wearable devices, and the internet of things devices may be smart speakers, smart televisions, smart air conditioners, smart vehicle-mounted devices, and the like. The portable wearable device can be a smart watch, a smart bracelet, a head-mounted device, and the like. The grid service master station 101 may also be implemented by an independent server or a server cluster composed of a plurality of servers.
In one embodiment, as shown in fig. 2, there is provided a schematic structural diagram of a power telecommunication module with dual 4G channels, the module comprising: the USB interface circuit comprises a terminal interface circuit, a USB HUB chip, a first 4G CAT1 module, a second 4G CAT1 module, a first 4G antenna connected with the first 4G CAT1 module, and a second 4G antenna connected with the second 4G CAT1 module; the terminal interface circuit is connected with a power grid service terminal and the USB HUB chip, and is used for acquiring service data from the power grid service terminal and transmitting the service data to the USB HUB chip; the USB HUB chip is connected to the first 4G CAT1 module and the second 4G CAT1 module, and is configured to divide the service data into two paths of sub-service data and transmit the two paths of sub-service data to the first 4G CAT1 module and the second 4G CAT1 module, respectively; the first 4G CAT1 module and the second 4G CAT1 module are respectively configured to convert the corresponding sub-service data into radio frequency signals and respectively transmit the radio frequency signals to the first 4G antenna and the second 4G antenna.
The power grid service terminal comprises a power grid service master station, the power grid service master station is a server for running certain services in a power grid, for example, the metering master station refers to a server for bearing metering automation services, the power grid service terminal also refers to a device for acquiring and reporting service data such as electrical parameters and the like to the service master station in field areas such as a power distribution room, a power distribution platform area and the like in the power grid, the traditional service terminal comprises a concentrator, a distribution transformer monitoring and metering terminal and the like, and the novel fusion service terminal comprises a power distribution intelligent gateway, a new generation concentrator and the like. 4G CAT1 denotes 4G Category1, which refers to Category1 in the fourth generation communication technology, which has 15 categories in total, Category1 is a 4G application scenario applicable to low power consumption and low cost; the USB HUB chip, namely the Universal Serial bus HUB, namely the USB HUB, can expand one USB interface into a plurality of USB interfaces which work independently. UART refers to Universal Asynchronous Receiver/Transmitter (Universal Asynchronous Receiver/Transmitter) which is a Universal serial data bus and is commonly used for serial communication; it converts data to be transmitted between serial communication and parallel communication. As a chip for converting a parallel input signal into a serial output signal, the UART is usually integrated into a connection of other communication interfaces. The embodiments are embodied as a stand-alone modular chip or as a peripheral device integrated into a microprocessor. The standard signal amplitude conversion chip is generally in RS-232C specification, is matched with a standard signal amplitude conversion chip such as MAXim 232, and serves as an interface for connecting external equipment.
Specifically, the terminal interface circuit of the electric power remote single communication module conforms to the technical specification of the power grid metering automation terminal, generally 2 × 15 double rows of pins, and the interface signals mainly include USB and UART signals. The USB HUB chip is arranged in the module, the chip can expand one path of USB signals into multiple paths of USB signals and can work simultaneously, the USB HUB chip is selected to be SMSC USB2514B in the invention, and other USB HUB chips with similar functions can also be used. 1 way USB signal at terminal interface expands into 2 ways USB through the HUB chip, is connected to two general 4G CAT.1 modules, and the 4G module is that the hardware loads the appointed frequency channel, and software supports standard LTE (Long Term Evolution, also 4G) protocol, the collective name of a product of software and hardware high integration modularization, and general 4G module is the standard module that possesses 4G baseband and radio frequency function that communication company provided, and what this application used is the EC600S-CN module of remoter communication. The Module is also provided with a 4G antenna port and a SIM (Subscriber Identity Module) card slot, the SIM card slot is used for loading a 4G communication card, and the antenna port is used for connecting a 4G antenna.
Optionally, each 4G module in the above modules may also be replaced by a 5G chip capable of transmitting 5G signals.
In the remote communication module described in this embodiment, two types of data are mainly transmitted between the power grid service master station and the electric power remote communication module. One type is service data of a power grid service master station, the data flow direction is a power grid service terminal (or the power grid service master station) - > USB HUB chip- >4G CAT.1 module- >4G antenna, and finally the data flow direction is converted into a wireless signal to be transmitted.
The above embodiment provides a power telecommunication module with dual 4G channels, including: the USB interface circuit comprises a terminal interface circuit, a USB HUB chip, a first 4G CAT1 module, a second 4G CAT1 module, a first 4G antenna connected with the first 4G CAT1 module, and a second 4G antenna connected with the second 4G CAT1 module; the terminal interface circuit is connected with a power grid service terminal and the USB HUB chip, and is used for acquiring service data from the power grid service terminal and transmitting the service data to the USB HUB chip; the USB HUB chip is connected to the first 4G CAT1 module and the second 4G CAT1 module, and is configured to divide the service data into two paths of sub-service data and transmit the two paths of sub-service data to the first 4G CAT1 module and the second 4G CAT1 module, respectively; the first 4G CAT1 module and the second 4G CAT1 module are respectively configured to convert the corresponding sub-service data into radio frequency signals and respectively transmit the radio frequency signals to the first 4G antenna and the second 4G antenna.
Compared with the traditional single-channel 4G module, the electric power remote communication module with the double 4G channels provided by the embodiment can realize the simultaneous remote communication between the power grid service terminal and two main stations through the two 4G CAT1 modules, and improves the service access capability of the power grid service terminal. Furthermore, the module that this application provided is a telecommunications module that can use on novel intelligent integration business terminals such as electric wire netting distribution intelligent gateway, and current telecommunications module is single channel 4G module, can only guarantee that terminal and measurement main website communicate. The terminal and the two master stations can simultaneously carry out remote communication by integrating the two 4G CAT1 modules in the communication module. Meanwhile, a Beidou positioning module is additionally arranged in the module, so that position information can be acquired for the terminal, and the power grid service master station can conveniently control the terminal.
In an embodiment, the power telecommunication module with dual 4G channels further includes a GNSS module; the GNSS module is connected with the terminal interface circuit through a UART interface and used for acquiring self positioning information from a Beidou positioning system, transmitting the positioning information to the terminal interface circuit through the UART interface and transmitting the positioning information to the power grid service terminal through the terminal interface circuit.
Specifically, the GNSS (Global Navigation Satellite System) includes GPS, beidou, and the like, which is referred to as a beidou Satellite positioning System in the present application. The Beidou satellite navigation system consists of a space section, a ground section and a user section, can provide high-precision, high-reliability positioning, navigation and time service for various users all day long in the global range, has short message communication capacity, and initially has regional navigation, positioning and time service capacities, wherein the positioning precision is decimeter and centimeter level, the speed measurement precision is 0.2 meter/second, and the time service precision is 10 nanoseconds. The GNSS module acquires self positioning information from the Beidou positioning system and then sends the self positioning information to the power grid service terminal or the power grid service master station through the UART interface, so that the power grid service terminal or the power grid service master station can acquire self position information through the module.
According to the embodiment, the GNSS module is connected with the UART interface of the independent device, the module can be positioned, the positioning information is sent to the power grid service terminal/power grid service master station through the UART interface, compared with the traditional electric power remote communication module, the traditional electric power remote communication module needs to manually set the position information, automatic positioning can be achieved in the embodiment, and the intelligent level of a power grid is improved.
In an embodiment, the USB HUB chip is further configured to divide the service data into the two paths of sub-service data according to a source address of the service data; wherein, each path of the sub-service data corresponds to different source end addresses.
Specifically, the USB HUB chip can receive data of a plurality of power grid service terminals or power grid service master stations in a centralized manner, and expand the received data packets to different USB interfaces according to source end addresses or destination end addresses in packet headers of the data packets, for example, the data packets of different source ends are distributed to corresponding USB interfaces according to different source end addresses, the data packets are sent to different 4G CAT1 modules through the USB interfaces, and the 4G CAT1 module is sent to a corresponding antenna and sent to a corresponding base station through the antenna. Or the USB HUB chip can distribute the received master station data to USB interfaces corresponding to different destination addresses according to the destination addresses, and sends the master station data to corresponding 4G CAT1 modules through different USB interfaces, and then sends the 4G CAT1 modules to corresponding antennas and corresponding base stations through the antennas.
According to the embodiment, the received summary service data can be distributed to two different USB interfaces by adopting the USB HUB chip, so that the data distribution capacity is improved.
In one embodiment, the terminal interface circuit includes 22X15 double rows of pins; the first 4G CAT1 module and the second 4G CAT1 module are EC600S-CN, and can be other 4G chips which convert baseband signals into radio frequency signals. The chip model of the USB HUB chip is SMSC USB 2514B; the model of the GNSS module is L76K; the first 4G CAT1 module is loaded with a first 4G communication card; and a second 4G communication card is loaded in the second 4G CAT1 module. The 4G communication card is generally an SIM card, each SIM card can be used for uniquely identifying the identity of the card, and the first 4G antenna and the second 4G antenna are respectively used for converting the radio frequency signal into a wireless signal on a preset frequency band and sending the wireless signal to a corresponding wireless base station. The USB HUB chip is further configured to transmit each path of sub-service data to the first 4G CAT1 module and the second 4G CAT1 module through USB interfaces, respectively.
The electric power telecommunication module (also can be understood as an electric power telecommunication terminal) provided by the embodiment solves the problem of communication between a novel service terminal and two main stations, and simultaneously has the Beidou positioning function, thereby solving the problem of reporting terminal position information.
It should be understood that, although the steps in the flowcharts related to the embodiments as described above are sequentially displayed as indicated by arrows, the steps are not necessarily performed sequentially as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a part of the steps in the flowcharts related to the embodiments described above may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the execution order of the steps or stages is not necessarily sequential, but may be rotated or alternated with other steps or at least a part of the steps or stages in other steps.
Each of the above-described dual 4G channel-equipped power telecommunication modules may be implemented in whole or in part by software, hardware, and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a server, and may be used to implement the functions of the power telecommunication module, and the internal structure diagram of the computer device may be as shown in fig. 3. The computer device includes a processor, a memory, and a network interface connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The database of the computer device is used for storing the power grid data. The network interface of the computer device is used for communicating with an external terminal through a network connection.
In one embodiment, a computer device, which may be a terminal, may be provided to implement the functions of the power telecommunication module, and its internal structure diagram may be as shown in fig. 4. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless communication can be realized through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the configurations shown in fig. 3-4 are merely block diagrams of some configurations relevant to the present disclosure, and do not constitute a limitation on the computing devices to which the present disclosure may be applied, and that a particular computing device may include more or less components than those shown, or combine certain components, or have a different arrangement of components.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high-density embedded nonvolatile Memory, resistive Random Access Memory (ReRAM), Magnetic Random Access Memory (MRAM), Ferroelectric Random Access Memory (FRAM), Phase Change Memory (PCM), graphene Memory, and the like. Volatile Memory can include Random Access Memory (RAM), external cache Memory, and the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others. The databases referred to in various embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing based data processing logic devices, etc., without limitation.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (10)
1. A power telecommunications module having dual 4G channels, the module comprising: the USB interface circuit comprises a terminal interface circuit, a USB HUB chip, a first 4G CAT1 module, a second 4G CAT1 module, a first 4G antenna connected with the first 4G CAT1 module, and a second 4G antenna connected with the second 4G CAT1 module; wherein the content of the first and second substances,
the terminal interface circuit is connected with a power grid service terminal and the USB HUB chip and is used for acquiring service data from the power grid service terminal and transmitting the service data to the USB HUB chip;
the USB HUB chip is respectively connected with the first 4G CAT1 module and the second 4G CAT1 module, and is used for dividing the service data into two paths of sub-service data and respectively transmitting the two paths of sub-service data to the first 4G CAT1 module and the second 4G CAT1 module;
the first 4G CAT1 module and the second 4G CAT1 module are respectively configured to convert the corresponding sub-service data into radio frequency signals and respectively transmit the radio frequency signals to the first 4G antenna and the second 4G antenna.
2. The module of claim 1, further comprising a GNSS module; wherein the content of the first and second substances,
the GNSS module is connected with the terminal interface circuit through a UART interface and used for acquiring self positioning information from a Beidou positioning system, transmitting the positioning information to the terminal interface circuit through the UART interface and transmitting the positioning information to the power grid service terminal through the terminal interface circuit.
3. The module according to claim 1, wherein the USB HUB chip is further configured to split the service data into the two paths of sub-service data according to a source address of the service data; wherein, each path of the sub-service data corresponds to different source end addresses.
4. The module of claim 2, wherein said terminal interface circuitry comprises a 22X15 double row of pins.
5. The module of claim 1, wherein the first 4G CAT1 module and the second 4G CAT1 module are EC 600S-CN.
6. The module of claim 1, wherein the USB HUB chip has a chip model of SMSC USB 2514B.
7. The module of claim 2, wherein the model of the GNSS module is L76K.
8. The module of claim 1, wherein the first 4G CAT1 module is loaded with a first 4G communications card; and a second 4G communication card is loaded in the second 4G CAT1 module.
9. The module according to claim 1, wherein the first 4G antenna and the second 4G antenna are respectively configured to convert the radio frequency signal into a wireless signal on a preset frequency band, and send the wireless signal to a corresponding base station.
10. The module of any one of claims 1 to 9, wherein the USB HUB chip is further configured to transmit the sub-service data to the first 4G CAT1 module and the second 4G CAT1 module through USB interfaces respectively.
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| CN116056049A (en) * | 2023-01-30 | 2023-05-02 | 中国联合网络通信集团有限公司 | Fusion embedded unit and fusion terminal |
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