CN114793328A - Power grid environment monitoring system and method based on 5G LoRa dynamic gateway - Google Patents
Power grid environment monitoring system and method based on 5G LoRa dynamic gateway Download PDFInfo
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Abstract
The application relates to a power grid environment monitoring system and method based on a 5G LoRa dynamic gateway, wherein the method comprises the following steps: the method comprises the steps that LoRa relay and sensing nodes collect power grid environment data of a communication base station coverage blind area; the LoRa relay and sensing node sends the power grid environment data to the 5G LoRa intelligent gateway node; and the 5G LoRa intelligent network joint point sends the power grid environment data to a power grid center cloud server through a 5G base station. Through the application, the problem that mobile signal blind areas adopt wired network transmission modes to connect various sensing devices and controllers externally is solved, the construction cost is high, the terminal mobility is poor, the operation and maintenance difficulty is large, and the expansion is inflexible is solved.
Description
Technical Field
The present application relates to the field of intelligent monitoring of power grid environment, and in particular, to a system, a method, a computer device, and a computer-readable storage medium for monitoring power grid environment based on a 5G LoRa dynamic gateway.
Background
The traditional power grid is replaced by an infrastructure based on the modern internet, and a Smart Grid (SG) communication system is constructed. The development of smart power grids requires the ubiquitous and intelligent online monitoring of the state of a power grid, and the intelligent power grid further comprises various power transmission and distribution substations which are wide in regional distribution and different in environment besides a main power transmission network. At present, power transmission and distribution monitoring is developing towards all links, all-node real-time monitoring and sensing, risk dynamic evaluation and active fault study and judgment, and new requirements are put forward for a power communication network. Based on the characteristics of high speed, high capacity, high reliability, low time delay, low energy consumption and high expandability of a 5G network, the construction pace of the power internet can be accelerated from the aspects of interconnection of everything, accurate control, mass monitoring, ultra-wideband communication and the like; the development towards the depths of 'cloud big object moving intelligence' is supported, the functions of the intelligent power grid can be enriched and optimized, the running quality of the intelligent power grid is improved, and the occurrence probability of faults is reduced. Meanwhile, the connection of the 5G tail end depends on a communication base station seriously, especially in a power grid environment with poor signal coverage and penetration capacity, and effective coverage cannot be achieved in power transmission and distribution complex environments such as cable tunnels, unmanned areas and the like; the constraint of 5G communication to expand the current smart grid function is mainly focused on the communication technology limit of the last kilometer of the power transmission and distribution terminal. At present, a large number of mobile signal blind areas such as cable tunnels, unmanned areas and the like generally adopt wired network transmission modes such as optical fibers and the like, and are externally connected with various sensing devices and controllers. However, due to the reasons of limited space in the tunnel, long distance between unmanned areas, wide distribution and construction environment limitation, the wired mode has the defects of high construction cost, poor terminal mobility, high operation and maintenance difficulty, inflexible expansion and the like.
LPWAN (low power consumption wide area network) such as LoRa is superior to NB-IoT, Bluetooth, ZigBee and WiFi technologies in transmission distance, has the advantages of being autonomous and controllable, low in operation cost, good in signal coverage, flexible in networking and the like, and is suitable for wireless sensing networking in signal blind area complex environments such as unmanned areas. The effective combination of a 5G smart grid and an LPWAN flexible ad hoc network is developed, and an economical, high-quality, flexible and intelligent transmission and distribution environment is established to realize an urgent monitoring system for 5G LoRa dynamic gateway emergency networking.
At present, various sensing devices and controllers are externally connected in a wired network transmission mode aiming at a mobile signal blind area in the related technology, and the problems of high construction cost, poor terminal mobility, high operation and maintenance difficulty and inflexible expansion exist.
Disclosure of Invention
The embodiment of the application provides a power grid environment monitoring system, a power grid environment monitoring method, computer equipment and a computer readable storage medium based on a 5G LoRa dynamic gateway, and aims to at least solve the problems that in the related technology, a mobile signal blind area is externally connected with various sensing devices and controllers in a wired network transmission mode, the construction cost is high, the terminal mobility is poor, the operation and maintenance difficulty is large, and the expansion is inflexible.
In a first aspect, an embodiment of the present application provides a power grid environment monitoring system based on a 5G LoRa dynamic gateway, including:
a plurality of 5G LoRa dynamic network joint points and 5G base stations;
the plurality of 5G LoRa dynamic gateway nodes include: the system comprises LoRa relay and sensing nodes and a 5G LoRa intelligent network joint point, wherein the LoRa relay and sensing nodes are used for collecting power grid environment data of a communication base station coverage blind area and sending the collected power grid environment data to the 5G LoRa intelligent network joint point; and the 5G LoRa intelligent gateway node is used for sending the power grid environment data to a power grid center cloud server through the 5G base station.
Further, 5G loRa dynamic gateway node possesses loRa sensing network function, loRa relay communication function and 5G loRa intelligent gateway function, wherein, 5G loRa dynamic gateway node includes:
the function selection activation switch is used for setting the functions of the 5G LoRa dynamic gateway node;
the 5G LoRa dynamic gateway node with the LoRa sensing network function and the LoRa relay communication function is set as the LoRa relay and sensing node; the 5G LoRa dynamic gateway node configured to have the 5G LoRa intelligent gateway function is the 5G LoRa intelligent gateway node.
Further, the 5G LoRa dynamic gateway node further includes:
the sensor module is used for acquiring the power grid environment data;
the ARM main control chip is used for processing the power grid environment data;
and the ATK-LoRa-01 module is used for sending the processed power grid environment data.
Further, the 5G LoRa dynamic gateway node further includes:
the LoRa module is used for receiving the processed power grid environment data sent by the ATK-LoRa-01 module and forming the processed power grid environment data into an MQTT data frame;
the operating system is used for controlling network conversion between the LoRa side and the 5G side;
and the 5G module is used for converting the MQTT data frame into the 5G data frame.
In a second aspect, an embodiment of the present application provides a power grid environment monitoring method based on a 5G LoRa dynamic gateway, including:
the method comprises the steps that LoRa relay and sensing nodes collect power grid environment data of a communication base station coverage blind area;
the LoRa relay and sensing node sends the power grid environment data to the 5G LoRa intelligent gateway node;
and the 5G LoRa intelligent network joint point sends the power grid environment data to a power grid center cloud server through a 5G base station.
Further, the collection of power grid environment data of the communication base station coverage blind area by the LoRa relay and the sensing node comprises:
collecting the power grid environment data by using a sensor module;
performing analog-to-digital conversion, packaging into frames and spread spectrum modulation processing on the power grid environment data by using an ARM main control chip;
and transmitting the processed power grid environment data by using an ATK-LoRa-01 module.
Further, the LoRa relay and sensor node sending the grid environment data to the 5G LoRa intelligent gateway node includes:
the mth LoRa relay and sensing node acquires the power grid environment data in a monitoring area, converges the power grid environment data of m-1 previous LoRa relay and sensing nodes, multiplexes the power grid environment data acquired by the m LoRa relay and sensing nodes into frames, and transmits the frames to the (m + 1) th LoRa relay and sensing node until the power grid environment data is transmitted to the 5G LoRa intelligent gateway node; and M is more than or equal to 1 and less than or equal to M, wherein M is the number of the LoRa relay and sensing nodes of which the route converges to the 5G LoRa intelligent gateway node.
Further, 5G LoRa intelligent network joint will the electric wire netting environmental data includes through 5G basic station transmission to electric wire netting center cloud server:
performing network conversion of the LoRa side and the 5G side by utilizing an adaptation module;
receiving the power grid environment data at the LoRa side, and forming an MQTT data frame by the power grid environment data;
converting the MQTT data frame into a 5G data frame at the 5G side;
and the 5G LoRa intelligent network joint point sends the 5G data frame to the power grid center cloud server through the 5G base station.
Further, before the LoRa relay and sensing nodes collect the power grid environment data of the communication base station coverage blind area, the method further comprises:
a plurality of 5G LoRa dynamic gateway nodes are arranged to be distributed and deployed in a link type structure along the power transmission and distribution line;
activating a 5G signal detection function of the plurality of 5G LoRa dynamic gateway nodes;
positioning and determining a 5G LoRa dynamic gateway node which can be accessed to a 5G base station, activating a 5G LoRa intelligent gateway function of the 5G LoRa dynamic gateway node which can be accessed to the 5G base station, closing a LoRa sensing network function and a LoRa relay communication function of the 5G LoRa dynamic gateway node which can be accessed to the 5G base station, and marking the 5G LoRa dynamic gateway node which can be accessed to the 5G base station as the 5G LoRa intelligent gateway node;
the method comprises the steps of determining other 5G LoRa dynamic gateway nodes except the 5G LoRa dynamic gateway node which is determined to be accessible to a 5G base station in the plurality of 5G LoRa dynamic gateway nodes, closing a 5G LoRa intelligent gateway function, activating a LoRa sensing network function and a LoRa relay communication function, and marking the other 5G LoRa dynamic gateway nodes as the LoRa relay and sensing nodes.
In a third aspect, an embodiment of the present application provides a computer device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor, when executing the computer program, implements the power grid environment monitoring method based on a 5G LoRa dynamic gateway according to the second aspect.
Compared with the related art, according to the power grid environment monitoring system and method based on the 5G LoRa dynamic gateway, the LoRa relay and sensing nodes collect power grid environment data of a coverage blind area of a communication base station; the LoRa relay and sensing node sends the power grid environment data to the 5G LoRa intelligent gateway node; 5G loRa intelligent network joint point will electric wire netting environmental data sends to electric wire netting center cloud ware through the 5G basic station, solved and removed the signal blind area and adopted external various sensing device of wired network transmission mode and controller, there are the construction cost height, the terminal mobility is poor, the operation degree of difficulty is big, extend inflexible problem, flexible ad hoc network through LPWAN such as 5G intelligent electric wire netting and loRa, realized to the transmission and distribution network omnidirectional, the real time monitoring and the control management of big cover, possess independently controllable, the running cost is lower, signal coverage is good, advantages such as network deployment is nimble.
The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below to provide a more concise and understandable description of the application, and features, objects, and advantages of the application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic diagram of a structure of a 5G LoRa dynamic gateway according to an embodiment of the present application;
fig. 2 is a schematic diagram of emergency networking and deployment based on a 5G LoRa dynamic gateway according to an embodiment of the present application;
fig. 3 is a schematic diagram of a power grid environment monitoring system based on a 5G LoRa dynamic gateway according to an embodiment of the present application;
fig. 4 is a flowchart of a power grid environment monitoring method based on a 5G LoRa dynamic gateway according to an embodiment of the present application;
fig. 5 is a schematic diagram of a power grid environment monitoring process based on a 5G LoRa dynamic gateway according to an embodiment of the present application;
FIG. 6 is a schematic diagram of MQTT function according to an embodiment of the present application;
fig. 7 is a hardware structure diagram of a computer device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is described and illustrated 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. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application.
It is obvious that the drawings in the following description are only examples or embodiments of the application, and that it is also possible for a person skilled in the art to apply the application to other similar contexts on the basis of these drawings without inventive effort. Moreover, it should be appreciated that such a development effort might be complex and tedious, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, given the benefit of this disclosure, without departing from the scope of this disclosure.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by one of ordinary skill in the art that the embodiments described herein may be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The use of the terms "including," "comprising," "having," and any variations thereof herein, is meant to cover a non-exclusive inclusion; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to only those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Reference to "connected," "coupled," and the like in this application is not intended to be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as referred to herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.
The application is complicated to power transmission and distribution network environment, has diversified communication blind area, and the limited scheduling problem of 5G smart power grids service function extension provides 5G loRa dynamic gateway, implements the emergent network of things monitoring platform of networking of transmission and distribution network 5G loRa developments to realize all-round, big cover, no dead angle, real-time supervision and health management. The construction of the 5G extended wireless sensor network of the signal blind area environment is realized by adopting a LoRa multi-node cascade mode, and the feasibility, the accuracy and the real-time response to the state change of the 5G LoRa Internet of things monitoring platform are realized. By designing a 5G LoRa dynamic gateway function module, dynamically planning 5G LoRa dynamic gateway emergency networking and deployment, 5G signal detection and self-adaptive topology forming, and activating a 5G LoRa dynamic gateway node intelligent gateway function and other LoRa node functions according to the confirmation of available 5G base stations, a power grid environment monitoring system and a method based on the 5G LoRa dynamic gateway are constructed and implemented.
The power grid environment monitoring system and method based on the 5G LoRa dynamic gateway are used for supporting widely existing telecommunication monitoring blind areas in diversified power grid environments and ensuring development and function extension of 5G intelligent power grid services.
The application has the beneficial effects that:
(1) the constraint of the intelligent 5G extended function of the current transmission and distribution network is mainly focused on the communication technology limit of the last kilometer of power terminal equipment, and the power grid environment emergency networking of the 5G LoRa dynamic gateway carries out effective emergency, temporary and blind-repairing networking aiming at the area where mobile signals are poor or mobile base station networking cannot be carried out.
(2) The emergency networking and flexible deployment of the 5G LoRa dynamic gateway automatically detects the access area and the blind area of the 5G base station in a large-range area of hundreds kilometers, and the network function of the 5G LoRa dynamic gateway is activated and identified through the function module selection switch to perform self-adaption, intelligent networking and topology planning.
(3) And the DV shortest path routing algorithm is utilized to perform routing convergence to determine a communication path, and functions of breakpoint redundant splicing, automatic addressing and the like are supported to improve the robustness of the network.
(4)5G LoRa intelligent gateway realizes LoRa and 5G agreement adaptation, optimization, and LoRa physical isolation and safety control, 5G LoRa fuses the control of network center to and the traceability and the location of abnormal data.
As shown in fig. 1, all 5G LoRa dynamic gateways develop and configure three function modules, set a function selection activation switch, and perform adaptive activation and function role identification, which specifically includes:
(1) LoRa sensor network function
The 5G LoRa dynamic gateway integrated terminal control module collects power grid environment data through a sensor, mainly comprises a temperature sensor, a humidity sensor, a harmful gas sensor, a water level sensor, an over-current sensor, an electric loss sensor and the like, and is used for monitoring power grid accident environment and power grid state indexes such as ambient temperature, humidity, methane and electric leakage.
(2) LoRa relay communication functional module
The 5G LoRa dynamic gateway is also used as a relay to complete the data communication of adjacent nodes, and long-distance and large-range coverage of the LoRa ad hoc network is completed through a multi-stage hop topology structure; and when the nodes are positioned at the LoRa coverage boundary or curves exist among the nodes or mountain shelters exist among the nodes, LoRa relay is arranged, data relay transmission is carried out in a cascade networking mode, and break point redundant splicing and automatic addressing are supported.
(3)5G LoRa intelligent gateway function
The 5G LoRa dynamic gateway development adapter function integrates a LoRa gateway side and a 5G gateway side, and completes LoRa and 5G protocols and software and hardware adaptation; aggregating LoRa ad hoc network data, and executing functions of safety management, physical isolation, identity authentication and the like; and executing instruction distribution and remote control on the LoRa ad hoc network.
Based on the above 5G LoRa dynamic gateway, as shown in fig. 2, the embodiment of emergency networking and deployment based on the 5G LoRa dynamic gateway includes the following steps:
s1: the emergency networking deployment of the 5G LoRa dynamic gateway node may include the following steps:
(1) and setting N5G LoRa dynamic gateway nodes, and carrying out distribution deployment in a link type structure along the power transmission and distribution line.
(2) And activating N5G LoRa dynamic gateway nodes, setting a directional transmission mode, and executing half-duplex bidirectional communication by all adjacent nodes.
(3) And dynamically adjusting the actual distance between all the 5G LoRa dynamic gateway nodes, finishing ranging and keeping the data uplink and downlink channels of the adjacent nodes connected in series.
S2: the 5G LoRa dynamic gateway node starts 5G mobile signal detection and network topology planning, and comprises the following steps:
(1) and the N5G LoRa dynamic gateway nodes activate a 5G signal detection function, detect parameters such as PSRP signal strength, SINR and bandwidth of each 5G LoRa intelligent gateway node deployment range 5G base station, determine an available 5G base station and mark the corresponding deployment point 5G LoRa dynamic gateway node.
(2) And positioning, determining that the 5G base station which can be accessed to deploy the 5G LoRa dynamic gateway node, activating a 5G LoRa intelligent gateway function selection switch, closing a LoRa sensing network function and a LoRa relay communication function selection switch, marking as a 5G LoRa intelligent gateway node, and broadcasting and informing other 5G LoRa dynamic gateway nodes.
(3) And after receiving the 5G LoRa intelligent gateway node activation broadcast confirmation frame, the other 5G LoRa dynamic gateway nodes close the 5G LoRa intelligent gateway function selection switch, activate the LoRa sensing network function and the LoRa relay communication function, and mark the LoRa relay and the sensing nodes.
(4) And according to the 5G base station signal measurement, planning all the functions and roles of the 5G LoRa dynamic gateway nodes in a self-adaptive manner, establishing a new self-adaptive network topology structure, and obtaining the power grid environment monitoring system based on the 5G LoRa dynamic gateway, as shown in fig. 3.
It should be noted that, the 5G LoRa ad hoc network has functions of route convergence and breakpoint reconnection, and specifically includes the following steps:
(1) calculating the distance from each LoRa relay and sensing node to the 5G LoRa intelligent gateway node, determining the uplink communication path of the 5G LoRa ad hoc network according to the shortest path routing DV algorithm, and describing the 5G LoRa ad hoc network by taking the determination of the communication links by the M nodes in fig. 3 as an example.
(2) Each LoRa relay and sensing node is provided with a master-slave function, redundant LoRa nodes are deployed, and the master node executes the LoRa sensing network function and the LoRa relay communication function; spare node closes loRa sensor network function and loRa relay communication function, and uninterrupted low power consumption receives the master node signal, and when the master node broke down, spare node set up 3 frame cycle no signal reception threshold values, activates spare node's loRa sensor network function and loRa relay communication function.
(3) When the main node fails, starting a standby node, setting a directional channel same as that of the main node by the standby node, executing automatic discovery with an adjacent LoRa node, and finishing MAC ID identification and access with a 5G LoRa intelligent gateway node; and the failure of the main node is recovered, and the main node is automatically converted into a standby node functional state.
As shown in fig. 3, an embodiment of the present application provides a power grid environment monitoring system based on a 5G LoRa dynamic gateway, including: a plurality of 5G LoRa dynamic network joint points and 5G base stations. Wherein, a plurality of 5G LoRa dynamic gateway nodes include: the system comprises LoRa relay and sensing nodes and a 5G LoRa intelligent network joint point, wherein the LoRa relay and sensing nodes are used for collecting power grid environment data of a communication base station coverage blind area and sending the collected power grid environment data to the 5G LoRa intelligent network joint point; and the 5G LoRa intelligent gateway node is used for sending the power grid environment data to a power grid center cloud server through the 5G base station.
Optionally, the 5G LoRa dynamic gateway node has a LoRa sensing network function, a LoRa relay communication function, and a 5G LoRa intelligent gateway function, where as shown in fig. 1, the 5G LoRa dynamic gateway node includes:
the function selection activation switch is used for setting the functions of the 5G LoRa dynamic gateway node;
the 5G LoRa dynamic gateway node with the LoRa sensing network function and the LoRa relay communication function is set as the LoRa relay and sensing node; the 5G LoRa dynamic gateway node configured to have the 5G LoRa intelligent gateway function is the 5G LoRa intelligent gateway node.
Optionally, as shown in fig. 1, the 5G LoRa dynamic gateway node further includes:
the sensor module is used for acquiring the power grid environment data;
the ARM main control chip is used for processing the power grid environment data; the ARM main control chip can be an STM32F1 main control chip;
and the ATK-LoRa-01 module is used for sending the processed power grid environment data.
Optionally, as shown in fig. 1, the 5G LoRa dynamic gateway node further includes:
the LoRa module is used for receiving the processed power grid environment data sent by the ATK-LoRa-01 module and forming the processed power grid environment data into an MQTT data frame;
the operating system is used for controlling network conversion between the LoRa side and the 5G side;
and the 5G module is used for converting the MQTT data frame into the 5G data frame.
Based on the power grid environment monitoring system based on the 5G LoRa dynamic gateway, the embodiment of the application also provides a power grid environment monitoring method based on the 5G LoRa dynamic gateway.
Fig. 4 is a flowchart of a power grid environment monitoring method based on a 5G LoRa dynamic gateway according to an embodiment of the present application, where as shown in fig. 4, the method includes:
step S401, collecting power grid environment data of a communication base station coverage blind area by LoRa relay and sensing nodes;
step S402, the LoRa relay and sensing node sends the power grid environment data to the 5G LoRa intelligent gateway node;
and S403, the 5G LoRa intelligent network joint point sends the power grid environment data to a power grid center cloud server through a 5G base station.
Optionally, the step S401 of collecting power grid environment data of a coverage blind area of a communication base station by the LoRa relay and the sensing node includes:
collecting the power grid environment data by using a sensor module;
performing analog-to-digital conversion, packaging into frames and spread spectrum modulation processing on the power grid environment data by using an ARM main control chip;
and sending the processed power grid environment data by using an ATK-LoRa-01 module.
Optionally, the step S402 of sending, by the LoRa relay and sensor node, the power grid environment data to the 5G LoRa intelligent gateway node includes:
the mth LoRa relay and sensing node acquires the power grid environment data in a monitoring area, converges the power grid environment data of m-1 previous LoRa relay and sensing nodes, multiplexes the power grid environment data acquired by the m LoRa relay and sensing nodes into frames, and transmits the frames to the (m + 1) th LoRa relay and sensing node until the power grid environment data is transmitted to the 5G LoRa intelligent gateway node; and M is more than or equal to 1 and less than or equal to M, wherein M is the number of the LoRa relay and sensing nodes of which the route converges to the 5G LoRa intelligent gateway node.
Optionally, the step S403 of sending, by the 5G LoRa intelligent network joint point, the power grid environment data to a power grid center cloud server through a 5G base station includes:
performing network conversion on an LoRa side and a 5G side by utilizing an adaptation module;
receiving the power grid environment data at the LoRa side, and forming an MQTT data frame by the power grid environment data;
converting the MQTT data frame into a 5G data frame at the 5G side;
and the 5G LoRa intelligent network joint point sends the 5G data frame to the power grid center cloud server through the 5G base station.
Optionally, before the LoRa relay and sensor node collects the power grid environment data of the coverage blind area of the communication base station in step S401, the method further includes:
a plurality of 5G LoRa dynamic gateway nodes are arranged to be distributed and deployed in a link type structure along a power transmission and distribution line;
activating a 5G signal detection function of the plurality of 5G LoRa dynamic gateway nodes;
positioning and determining a 5G LoRa dynamic gateway node which can be accessed to a 5G base station, activating a 5G LoRa intelligent gateway function of the 5G LoRa dynamic gateway node which can be accessed to the 5G base station, closing a LoRa sensing network function and a LoRa relay communication function of the 5G LoRa dynamic gateway node which can be accessed to the 5G base station, and marking the 5G LoRa dynamic gateway node which can be accessed to the 5G base station as the 5G LoRa intelligent gateway node;
the method comprises the steps of determining other 5G LoRa dynamic gateway nodes except the 5G LoRa dynamic gateway node which can be accessed into a 5G base station in the plurality of 5G LoRa dynamic gateway nodes, closing a 5G LoRa intelligent gateway function, activating a LoRa sensing network function and a LoRa relay communication function, and marking the other 5G LoRa dynamic gateway nodes as the LoRa relay and sensing nodes. As shown in fig. 5, the power grid environment monitoring process based on the 5G LoRa dynamic gateway in the embodiment of the present application includes the following steps:
s1: and the LoRa relay and sensing nodes perform sensing network electric network environment data acquisition and encapsulation framing. The method specifically comprises the following steps:
(1) and after the 5G LoRa dynamic gateway node activates the LoRa sensing network function selection switch, acquiring the power grid environment data. Sensor modules such as a DHT11 temperature and humidity sensor, a smoke sensor and a water level sensor are integrated in a sensor network, and an STM32F1 main control chip and an ATK-LoRa-01 module (a spread spectrum chip is an SX1278) module are integrated. The sensor collects data and is connected with the STM32F1 main control chip through a serial port.
(2) The STM32F1 master control chip performs analog-to-digital conversion, the framing process data part performs monitor data encryption, and encapsulates CRC check redundancy, source ID, and destination ID. The STM32F1 main control chip executes encapsulation framing and spread spectrum modulation processing, and then sends data with a correct format through an ATK-LoRa-01 module.
S2: the LoRa relay and the sensor node perform relay communication.
(1) After activating the loRa relay communication function selection switch, the 5G loRa dynamic gateway node completes the data communication of the adjacent loRa nodes (the loRa nodes in the text are the 5G loRa dynamic gateway nodes), completes the long-distance and large-range coverage of the loRa ad-hoc network through a multi-stage hop topology structure, and supports the breakpoint redundancy splicing and the automatic addressing; an ATK-LoRa-01 module adopted by the LoRa module supports various working modes such as transparent transmission, directional transmission, broadcasting, data monitoring and the like; the 5G LoRa intelligent gateway node is used as a central control node of the LoRa ad hoc network, and controls each LoRa node to execute link topology planning, route addressing, splicing framing of TDM bandwidth allocation, redundant breakpoint splicing and automatic discovery. The use method of the LoRa module is AT commands, and initialization setting, working mode selection, address channel allocation, rate adjustment and the like are carried out on the module. And carrying out parameter configuration when the module is started each time, then, keeping the module in a monitoring state, and normally receiving and transmitting data. In the application, the operation mode of the LoRa module is mainly directional transmission, and the same rate is selected on an address channel corresponding to the destination ID in the front of the data to be sent, so that the data can be sent to the designated node.
(2) The method comprises the steps that data framing is completed by LoRa relay and sensing nodes, the mth LoRa relay and sensing node collects power grid environment data of a monitoring area of the node through a sensor, previous m-1 LoRa relay and sensing node monitoring data are gathered, the monitoring data of the m nodes are further multiplexed and framed (the LoRa relay and sensing nodes are in a full-duplex working mode), and the monitoring data are transmitted to the (m + 1) th LoRa relay and sensing node; m is more than or equal to 1 and less than or equal to M, and M is the number of LoRa relay and sensing nodes of which the route converges to a 5G LoRa intelligent gateway node. And forwarding the relay of the LoRa relay and sensing node to the 5G LoRa intelligent gateway node, performing routing convergence by using a DV shortest path algorithm, and determining the number M of the LoRa relay and sensing node on a communication path and a framing mechanism.
S3: the 5G LoRa dynamic gateway node executes the 5G LoRa intelligent gateway function.
(1) And performing network conversion of the LoRa and 5G modules by utilizing the adaptation module. And receiving LoRa data through the ATK-LORA-01 module, processing and forwarding the data on an operating system layer, and connecting and sending the data with the 5G module through a GPIO (general purpose input/output). The LoRa side is a LoRa ad hoc network and receives the forward transmission converged power grid monitoring data; and the 5G side is a 5G power grid special network, and LoRa/5G protocol conversion data is accessed to a power grid center cloud server.
(2) The LoRa side executes LoRa ad-hoc network data receiving, ad-hoc network node control and bandwidth allocation; and performing CRC (cyclic redundancy check), identity identification, safety management and access control on the gathered monitoring data to form an MQTT data frame.
(3) Establishing an LoRa node MAC address-geographic information database, wherein the MAC address of each node corresponds to a physical address, namely a geographic information number, and a source ID is transmitted as a part in the data transmission process; the MAC address-geographic information database is simultaneously used as an identification mark for safety access and simultaneously contains the MAC ID of the main LoRa node and the standby LoRa node; in data correctness and security verification, if the monitoring data is abnormal in alarm, specific node equipment can be determined through the source ID, early warning is carried out in advance, repair is carried out in time, loss is reduced, and response time is shortened.
(4) The 5G side executes the packaging of MQTT data into a 5G data frame structure, as shown in the MQTT functional schematic diagram of fig. 6, the publisher is a 5G LoRa intelligent gateway node, the agent is a power grid cloud server, the subscriber refers to the monitoring center, the 5G LoRa intelligent gateway node issues the monitoring data to the cloud server, and the monitoring center can subscribe data to the monitoring center and also can receive data pushed by the cloud server. In addition, the MQTT protocol supports three message publishing qualities: qos is 0 (at most once, this level may result in loss or duplication of messages, the distribution of messages depends on the TCP/IP network), 1 (at least once, ensuring smooth arrival of messages, but message duplication may occur), and 2 (only once, ensuring arrival of messages once).
S4: the 5G LoRa intelligent network joint uploads the monitoring data to the power grid center cloud server through the power grid 5G private network, and then executes the safety management of the 5G signal blind area power grid through the control center, which specifically includes the following steps:
(1) the client downloads data from the cloud service, and for example, with 3 nodes, performs data cleaning on the monitoring data, sets a monitoring threshold value to perform nuclear information extraction, and extracts abnormal data of the power grid equipment and the monitoring system.
(2) And performing multi-source data fusion, establishing a grade evaluation model, and standardizing evaluation grade early warning and processing suggestions.
(3) And tracking source data according to the abnormal data extraction result, and finishing the tracing and alarming of the power grid fault or abnormal condition through the MAC address-geographic information database.
It should be noted that the steps illustrated in the above-described flow diagrams or in the flow diagrams of the figures may be performed in a computer system, such as a set of computer-executable instructions, and that, although a logical order is illustrated in the flow diagrams, in some cases, the steps illustrated or described may be performed in an order different than here.
The embodiment of the present application further provides a computer device, and the method for monitoring a power grid environment based on a 5G LoRa dynamic gateway in combination with the embodiment of the present application may be implemented by the computer device. Fig. 7 is a hardware structure diagram of a computer device according to an embodiment of the present application.
The computer device may comprise a processor 71 and a memory 72 in which computer program instructions are stored.
In particular, the processor 71 may include a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or may be configured to implement one or more Integrated circuits of the embodiments of the present Application.
The memory 72 may be used to store or cache various data files that need to be processed and/or used for communication, as well as possible computer program instructions executed by the processor 71.
The processor 71 reads and executes computer program instructions stored in the memory 72 to implement any one of the above-described embodiments of the method for monitoring a power grid environment based on a 5G LoRa dynamic gateway.
In some of these embodiments, the computer device may also include a communication interface 73 and a bus 70. As shown in fig. 7, the processor 71, the memory 72, and the communication interface 73 are connected via a bus 70 to complete communication therebetween.
The communication interface 73 is used for realizing communication among modules, devices, units and/or apparatuses in the embodiments of the present application. The communication interface 73 may also enable communication with other components such as: the data communication is carried out among external equipment, image/data acquisition equipment, a database, external storage, an image/data processing workstation and the like.
The bus 70 comprises hardware, software, or both that couple the components of the computer device to one another. Bus 70 includes, but is not limited to, at least one of the following: data Bus (Data Bus), Address Bus (Address Bus), Control Bus (Control Bus), Expansion Bus (Expansion Bus), and Local Bus (Local Bus). By way of example, and not limitation, Bus 70 may include an Accelerated Graphics Port (AGP) or other Graphics Bus, an Enhanced Industry Standard Architecture (EISA) Bus, a Front-Side Bus (FSB), a HyperTransport (HT) Interconnect, an ISA (ISA) Bus, an InfiniBand (InfiniBand) Interconnect, a Low Pin Count (LPC) Bus, a memory Bus, a Microchannel Architecture (MCA) Bus, a Peripheral Component Interconnect (PCI) Bus, a PCI-Express (PCI-X) Bus, a Serial Advanced Technology Attachment (AGP) Bus, a Local Video Association (Video Electronics Association), abbreviated VLB) bus or other suitable bus or a combination of two or more of these. Bus 70 may include one or more buses, where appropriate. Although specific buses are described and shown in the embodiments of the application, any suitable buses or interconnects are contemplated by the application.
In addition, in combination with the power grid environment monitoring method based on the 5G LoRa dynamic gateway in the foregoing embodiment, the embodiment of the present application may provide a computer-readable storage medium to implement the method. The computer readable storage medium having stored thereon computer program instructions; when executed by a processor, the computer program instructions implement any one of the above-described embodiments of the method for monitoring a power grid environment based on a 5G LoRa dynamic gateway.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure 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 invention. 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, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a power grid environment monitoring system based on 5G loRa dynamic gateway which characterized in that includes:
a plurality of 5G LoRa dynamic network joint points and 5G base stations;
a plurality of 5G LoRa dynamic gateway nodes include: the system comprises an LoRa relay and sensing node and a 5G LoRa intelligent gateway node, wherein the LoRa relay and sensing node is used for collecting power grid environment data of a communication base station coverage blind area and sending the collected power grid environment data to the 5G LoRa intelligent gateway node; and the 5G LoRa intelligent gateway node is used for sending the power grid environment data to a power grid center cloud server through the 5G base station.
2. The system of claim 1, wherein the 5G LoRa dynamic gateway node is equipped with LoRa sensor network function, LoRa relay communication function, and 5G LoRa smart gateway function, wherein the 5G LoRa dynamic gateway node comprises:
the function selection activation switch is used for setting the functions of the 5G LoRa dynamic gateway node;
the 5G LoRa dynamic gateway node with the LoRa sensing network function and the LoRa relay communication function is set as the LoRa relay and sensing node; the 5G LoRa dynamic gateway node configured to have the 5G LoRa intelligent gateway function is the 5G LoRa intelligent gateway node.
3. The system of claim 2, wherein the 5G LoRa dynamic gateway node further comprises:
the sensor module is used for acquiring the power grid environment data;
the ARM main control chip is used for processing the power grid environment data;
and the ATK-LoRa-01 module is used for sending the processed power grid environment data.
4. The system of claim 3, wherein the 5G LoRa dynamic gateway node further comprises:
the LoRa module is used for receiving the processed power grid environment data sent by the ATK-LoRa-01 module and forming an MQTT data frame by the processed power grid environment data;
the operating system is used for controlling network conversion between the LoRa side and the 5G side;
and the 5G module is used for converting the MQTT data frame into the 5G data frame.
5. A power grid environment monitoring method based on a 5G LoRa dynamic gateway is characterized by comprising the following steps:
the method comprises the steps that LoRa relay and sensing nodes collect power grid environment data of a communication base station coverage blind area;
the LoRa relay and sensing node sends the power grid environment data to the 5G LoRa intelligent gateway node;
and the 5G LoRa intelligent network joint point sends the power grid environment data to a power grid center cloud server through a 5G base station.
6. The method of claim 5, wherein the collecting power grid environment data of the communication base station coverage shadow area by the LoRa relay and sensing nodes comprises:
collecting the power grid environment data by using a sensor module;
performing analog-to-digital conversion, packaging into frames and spread spectrum modulation processing on the power grid environment data by using an ARM main control chip;
and transmitting the processed power grid environment data by using an ATK-LoRa-01 module.
7. The method of claim 6, wherein sending the grid environment data to the 5G LoRa intelligent gateway node by a LoRa relay and sensing node comprises:
the mth LoRa relay and sensing node acquires the power grid environment data in a monitoring area, converges the power grid environment data of m-1 previous LoRa relay and sensing nodes, multiplexes the power grid environment data acquired by the m LoRa relay and sensing nodes into frames, and transmits the frames to the (m + 1) th LoRa relay and sensing node until the power grid environment data is transmitted to the 5G LoRa intelligent gateway node; and M is greater than or equal to 1 and less than or equal to M, wherein M is the number of the LoRa relay and sensing nodes of which the route converges to the 5G LoRa intelligent gateway node.
8. The method of claim 7, wherein the 5G LoRa intelligent network joint point sends the grid environment data to a grid center cloud server through a 5G base station comprises:
performing network conversion on an LoRa side and a 5G side by utilizing an adaptation module;
receiving the power grid environment data at the LoRa side, and forming an MQTT data frame by the power grid environment data;
converting the MQTT data frame into a 5G data frame at the 5G side;
and the 5G LoRa intelligent network joint point sends the 5G data frame to the power grid center cloud server through the 5G base station.
9. The method according to any one of claims 5 to 8, wherein before the LoRa relay and sensing nodes collect the power grid environment data of the communication base station coverage shadow area, the method further comprises:
a plurality of 5G LoRa dynamic gateway nodes are arranged to be distributed and deployed in a link type structure along a power transmission and distribution line;
activating a 5G signal detection function of the plurality of 5G LoRa dynamic gateway nodes;
positioning and determining a 5G LoRa dynamic gateway node which can be accessed to a 5G base station, activating a 5G LoRa intelligent gateway function of the 5G LoRa dynamic gateway node which can be accessed to the 5G base station, closing a LoRa sensing network function and a LoRa relay communication function of the 5G LoRa dynamic gateway node which can be accessed to the 5G base station, and marking the 5G LoRa dynamic gateway node which can be accessed to the 5G base station as the 5G LoRa intelligent gateway node;
the method comprises the steps of determining other 5G LoRa dynamic gateway nodes except the 5G LoRa dynamic gateway node which can be accessed into a 5G base station in the plurality of 5G LoRa dynamic gateway nodes, closing a 5G LoRa intelligent gateway function, activating a LoRa sensing network function and a LoRa relay communication function, and marking the other 5G LoRa dynamic gateway nodes as the LoRa relay and sensing nodes.
10. Computer arrangement comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor when executing the computer program implements the method for monitoring a grid environment based on a 5G LoRa dynamic gateway according to any of claims 5-9.
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| CN116582467A (en) * | 2023-07-13 | 2023-08-11 | 广州市声讯电子科技股份有限公司 | Safety emergency command system and control method thereof |
| CN116582467B (en) * | 2023-07-13 | 2023-09-08 | 广州市声讯电子科技股份有限公司 | Safety emergency command system and control method thereof |
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