CN116032773A - Power line monitoring system in low signal area - Google Patents
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Abstract
The application discloses a power line monitoring system in low signal area relates to power line monitoring technical field. According to the method and the device, networking operation is carried out on the plurality of monitoring sub-nodes through the communication main node, so that the plurality of monitoring sub-nodes can communicate with the communication main node, the monitoring sub-nodes can transmit the collected multidimensional operation data of the power line to the monitoring sub-nodes or the communication main node at the upper stage through the corresponding power line channels or wireless channels, the multidimensional operation data can finally reach the communication main node, and the communication main node sends the received multidimensional operation data to the monitoring center for analysis processing. According to the embodiment of the application, under the condition that original equipment and layout of the power system are not required to be changed and additional wiring is not required, the monitoring center is guaranteed to be capable of smoothly communicating with the monitoring sub-nodes in the low-signal area or even in the signal blind area, the monitoring center can timely and stably acquire on-site monitoring data, and the monitoring effect is improved.
Description
Technical Field
The application relates to the technical field of power line monitoring, in particular to a power line monitoring system in a low signal area.
Background
The power line is a facility for delivering electrical energy, and is mainly used for delivering electrical energy between a power station and a user. The power line should be guaranteed to be able to operate normally during long-term operation, and therefore, an effective monitoring of the operation state of the power line is required to ensure stable operation of the power system.
At present, the most common communication mode of various monitoring terminals of a power system is a wireless public network communication mode, however, most of the power monitoring terminals located in an urban center are installed in underground negative one-to-negative three-layer electric rooms of residential buildings, write-in buildings or large markets, and the wireless public network signals of the areas are usually weak, so that the monitoring terminals cannot smoothly perform data transmission with the monitoring center, and the monitoring effect is affected.
Disclosure of Invention
The application provides a power line monitoring system in low signal area to current problem, and concrete technical scheme is as follows:
in a first aspect, the present application provides a power line monitoring system for a low signal area, the system comprising a monitoring center, a communication master node, and a plurality of monitoring sub-nodes; the communication master node and the plurality of monitoring sub-nodes form a topology network centering on the communication master node through a power line channel and/or a wireless channel, wherein,
The communication master node is used for performing networking operation on the plurality of monitoring sub-nodes and determining a communication routing table corresponding to each monitoring sub-node; the communication routing table is used for representing the current monitoring sub-node to point to the monitoring sub-node or the communication main node at the upper level through the corresponding target channel; the target channel is a power line channel or a wireless channel;
the monitoring sub-nodes are used for acquiring multidimensional operation data of the power lines, and transmitting the multidimensional operation data to a monitoring sub-node or a communication main node at the upper stage through the target channels according to the target channels in the corresponding communication routing tables, so that the multidimensional operation data can be transmitted to the communication main node through the monitoring sub-node at the upper stage in sequence;
the communication master node is further configured to send the multidimensional operation data to the monitoring center for analysis and processing.
In an embodiment of the present application, the communication master node includes a networking instruction sending module, a routing information obtaining module, a first networking module and a second networking module;
the networking instruction sending module is used for sending networking instructions to the plurality of monitoring sub-nodes;
The route information acquisition module is used for acquiring power line route information and/or wireless route information returned by the monitoring sub-nodes in response to the networking instruction, determining the monitoring sub-node with the power line route information as a preferred node, and determining the monitoring sub-node with the wireless route information as a node to be selected;
the first networking module is configured to network the preferred node through a power line channel based on power line routing information to obtain an initial topology network; the preferred nodes in the initial topology network communicate with each other through a power line channel;
the second networking module is configured to add, in the initial topology network, the node to be selected to perform networking through a wireless channel based on wireless routing information of the node to be selected when the node to be selected exists, so as to obtain the topology network.
In an embodiment of the present application, the monitoring sub-node includes a data acquisition module, a channel determination module, a wired communication module, and a wireless communication module;
the data acquisition module is used for acquiring first multidimensional operation data of the power line where the monitoring sub-node is located and/or second multidimensional operation data sent by a monitoring sub-node at the next stage of the monitoring sub-node;
The channel determining module is used for determining a target channel based on the communication routing table of the monitoring sub-node;
the wired communication module is configured to transmit the first multidimensional operation data and/or the second multidimensional operation data to a monitoring sub-node of a previous stage through the power line channel when the target channel is the power line channel;
the wireless communication module is configured to transmit the first multidimensional operation data and/or the second multidimensional operation data to a monitoring sub-node at a previous stage through the wireless channel when the target channel is the wireless channel.
In an embodiment of the present application, the wired communication module includes a carrier modulation unit and a data transmission unit;
the carrier modulation unit is used for modulating a carrier with preset frequency based on the first multi-dimensional operation data and/or the second multi-dimensional operation data to generate a carrier signal;
the data transmitting unit is configured to transmit the carrier signal to a monitoring sub-node of a previous stage through the power line channel.
In an embodiment of the present application, the communication master node further includes a data parsing module and a data sending module;
The data analysis module is used for analyzing the carrier signal under the condition of receiving the carrier signal to obtain multidimensional operation data corresponding to the carrier signal;
the data transmitting module is used for transmitting the multidimensional operation data to the monitoring center for analysis and processing.
In an embodiment of the present application, the communication master node further includes a data encryption module;
the data encryption module is used for encrypting the multidimensional operation data by adopting a preset private key and sending the encrypted multidimensional operation data to the data sending module;
the data transmitting module is specifically configured to transmit the encrypted multidimensional operation data to the monitoring center for analysis and processing.
In an embodiment of the present application, the monitoring center includes a data analysis module and a display module;
the data analysis module is used for generating a real-time monitoring curve corresponding to each power line based on the multidimensional operation data;
and the display module is used for displaying the real-time monitoring curve corresponding to each power line.
In an embodiment of the present application, the data analysis module includes a multidimensional data analysis unit and an abnormal data determination unit;
The multi-dimensional data analysis unit is used for carrying out statistical analysis on the historical multi-dimensional operation data and determining health operation curves corresponding to the operation data of different dimensions of each power line in different time periods;
the abnormal data determining unit is used for comparing and analyzing the multidimensional operation data with the corresponding healthy operation curves to determine abnormal data in the multidimensional operation data;
the display module is also used for highlighting the abnormal data in the real-time monitoring curve.
In an embodiment of the present application, the monitoring center further includes an early warning module and a fault diagnosis module;
the fault diagnosis module is used for determining a fault type and a fault position corresponding to the abnormal data under the condition that the abnormal data appear;
the early warning module is used for generating early warning information based on the abnormal data, the fault type and the fault position and sending the early warning information to a preset terminal.
In an embodiment of the present application, the monitoring center further includes a data compression module and a database;
the data compression module is used for compressing the corresponding multidimensional operation data of each power line according to a preset compression format to obtain a monitoring log file;
And the database is used for storing the monitoring log file.
In a second aspect, based on the same inventive concept, an embodiment of the present application provides a method for monitoring a power line in a low signal area, which is applied to a power line monitoring system in the low signal area, where the system includes a monitoring center, a communication main node, and a plurality of monitoring sub-nodes; the communication master node and the monitoring sub-nodes form a topology network taking the communication master node as a center through a power line channel and/or a wireless channel; the method comprises the following steps:
the communication main node performs networking operation on the plurality of monitoring sub-nodes, and determines a communication routing table corresponding to each monitoring sub-node; the communication routing table is used for representing the current monitoring sub-node to point to the monitoring sub-node or the communication main node at the upper level through the corresponding target channel; the target channel is a power line channel or a wireless channel;
the monitoring sub-nodes acquire multidimensional operation data of the power line, and send the multidimensional operation data to a monitoring sub-node or a communication main node at the upper stage through the target channel according to the target channel in the corresponding communication routing table, so that the multidimensional operation data can be transmitted to the communication main node through the monitoring sub-node at the upper stage in sequence;
And the communication main node sends the multidimensional operation data to the monitoring center for analysis and processing.
In an embodiment of the present application, the communication master node includes a networking instruction sending module, a routing information obtaining module, a first networking module and a second networking module; the method further comprises the steps of:
the networking instruction sending module sends networking instructions to the plurality of monitoring sub-nodes;
the route information acquisition module acquires power line route information and/or wireless route information returned by the monitoring sub-nodes in response to the networking instruction, determines the monitoring sub-node with the power line route information as a preferred node, and determines the monitoring sub-node with the wireless route information as a node to be selected;
the first networking module is used for networking the preferred nodes through a power line channel based on the power line routing information to obtain an initial topology network; the preferred nodes in the initial topology network communicate with each other through a power line channel;
and the second networking module adds the node to be selected into the initial topological network through a wireless channel to perform networking based on the wireless routing information of the node to be selected under the condition that the node to be selected exists, so as to obtain the topological network.
In an embodiment of the present application, the monitoring sub-node includes a data acquisition module, a channel determination module, a wired communication module, and a wireless communication module; the method further comprises the steps of:
the data acquisition module acquires first multidimensional operation data of a power line where the monitoring sub-node is located and/or second multidimensional operation data sent by a monitoring sub-node at the next stage of the monitoring sub-node;
the channel determining module determines a target channel based on the communication routing table of the monitoring sub-node;
the wired communication module transmits the first multidimensional operation data and/or the second multidimensional operation data to a monitoring sub-node of a previous stage through the power line channel under the condition that the target channel is the power line channel;
and the wireless communication module transmits the first multidimensional operation data and/or the second multidimensional operation data to a monitoring sub-node at the upper stage through the wireless channel under the condition that the target channel is the wireless channel.
In an embodiment of the present application, the wired communication module includes a carrier modulation unit and a data transmission unit; the method further comprises the steps of:
the carrier modulation unit modulates a carrier with preset frequency based on the first multi-dimensional operation data and/or the second multi-dimensional operation data to generate a carrier signal;
The data transmitting unit transmits the carrier signal to the monitoring sub-node of the previous stage through the power line channel.
In an embodiment of the present application, the communication master node further includes a data parsing module and a data sending module; the method further comprises the steps of:
the data analysis module analyzes the carrier signal under the condition of receiving the carrier signal to obtain multidimensional operation data corresponding to the carrier signal;
and the data transmitting module transmits the multidimensional operation data to the monitoring center for analysis and processing.
In an embodiment of the present application, the communication master node further includes a data encryption module; the method further comprises the steps of:
the data encryption module encrypts the multidimensional operation data by adopting a preset private key and sends the encrypted multidimensional operation data to the data sending module;
the data transmitting module is specifically configured to transmit the encrypted multidimensional operation data to the monitoring center for analysis and processing.
In an embodiment of the present application, the monitoring center includes a data analysis module and a display module; the method further comprises the steps of:
the data analysis module generates a real-time monitoring curve corresponding to each power line based on multidimensional operation data;
And the display module displays the real-time monitoring curve corresponding to each power line.
In an embodiment of the present application, the data analysis module includes a multidimensional data analysis unit and an abnormal data determination unit; the method further comprises the steps of:
the multi-dimensional data analysis unit performs statistical analysis on the historical multi-dimensional operation data to determine health operation curves corresponding to operation data of different dimensions of each power line in different time periods;
the abnormal data determining unit compares and analyzes the multidimensional operation data with the corresponding healthy operation curves to determine abnormal data in the multidimensional operation data;
and the display module displays the abnormal data in the real-time monitoring curve.
In an embodiment of the present application, the monitoring center further includes an early warning module and a fault diagnosis module; the method further comprises the steps of:
the fault diagnosis module determines a fault type and a fault position corresponding to the abnormal data under the condition that the abnormal data appear;
and the early warning module generates early warning information based on the abnormal data, the fault type and the fault position and sends the early warning information to a preset terminal.
In an embodiment of the present application, the monitoring center further includes a data compression module and a database; the method further comprises the steps of:
the data compression module compresses the corresponding multidimensional operation data of each power line according to a preset compression format to obtain a monitoring log file;
the database stores the monitoring log file.
The application has the following beneficial effects:
according to the power line monitoring system in the low signal area, networking operation is carried out on a plurality of monitoring sub-nodes through the communication main node, so that the monitoring sub-nodes can communicate with the communication main node, and then the monitoring sub-nodes can transmit the collected multidimensional operation data of the power line to the monitoring sub-nodes or the communication main node at the upper level through the corresponding power line channel or wireless channel, the multidimensional operation data can finally reach the communication main node, and the communication main node sends the received multidimensional operation data to the monitoring center for analysis and processing. According to the embodiment of the application, the hybrid networking is carried out through the power line channel or the wireless channel, the monitoring sub-node located in the low signal area can be fully guaranteed to smoothly send the collected multidimensional operation data to the monitoring center, the monitoring center is guaranteed to smoothly communicate with the monitoring sub-node located in the low signal area or even in the signal blind area under the condition that original equipment and layout of the power system are not required to be changed and additional wiring is not required, the monitoring center can timely and stably acquire on-site monitoring data, and the monitoring effect is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic diagram of a power line monitoring system in a low signal region according to an embodiment of the present application.
Fig. 2 is a schematic diagram of functional modules of a communication master node in an implementation of the present application.
Fig. 3 is a schematic diagram of functional modules of a monitoring sub-node in an implementation of the present application.
Fig. 4 is a schematic diagram of functional modules of a monitoring center in an implementation of the present application.
Fig. 5 is a flowchart of steps of a method for monitoring a power line in a low signal area according to an embodiment of the present application.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be apparent that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that, at present, two main communication modes are mainly available for various monitoring terminals of the power system: wireless communication and private networks; in contrast, the special network communication mode has high safety performance, however, because the manufacturing cost is too high, the most common communication mode at present is a wireless public network communication mode, namely, the public network is used for realizing data transmission with the monitoring center. The monitoring terminal using wireless public network communication needs to be installed at a signal coverage position, but is located in an electric power monitoring terminal of an urban center, most of the monitoring terminals are installed in underground negative one-to-negative three-layer electric rooms of residential buildings, write-in buildings or large markets, and the wireless public network signals of the areas are usually weak, so that the monitoring terminal cannot normally operate.
For the above problems, there are two conventional solutions.
The first method is to add a wireless public network signal amplifier to relay and amplify the wireless signals near the entrance and exit of the basement. One of the disadvantages of the method is that once the electric room is positioned in the deep part of an underground parking lot with a large area or the underground three layers are arranged, on one hand, the effect of signal amplification is poor due to the fact that the electric room is far away from an entrance of a basement, and the situation that signals are unstable or even no signals occur easily; on the other hand, the power supply of the signal amplifier is generally taken from an adjacent lighting line, and a situation in which the lighting line is powered off and no signal is generated due to the parking lot part of the lighting line. Therefore, the operation effect of this method is not ideal.
The second method is to add a "booster antenna" to each terminal. The gain antenna is an antenna with higher gain installed on the ground, and the antenna signal is led to the terminal by a high-frequency cable. This approach requires the addition of a long high frequency communication cable to lead the booster antenna from the basement to the ground. Because the monitoring terminal is usually installed in the last step, the building infrastructure is not reserved with special weak current pipelines, and the high-frequency communication cable is additionally arranged to pass through floors. Although forced installation is carried out, the natural attenuation rate of the signal of the high-frequency communication cable is high due to the fact that the cable is more wound, so that the installation of the gain antenna is very difficult, the installation cost is high, and the effect is not ideal for an electric room located in the deep part of a basement or in the negative three layers of the underground.
Aiming at the defects existing in the prior art, the application aims at a power line monitoring system in a low signal area, and the monitoring center can normally communicate with the monitoring terminal in the low signal area even in a signal blind area under the condition that original equipment and layout of the power system are not required to be changed and additional wiring is not required by arranging a signal relay terminal between the monitoring terminal and a communication terminal and realizing signal transmission between the signal relay terminal and the communication terminal through a carrier signal.
The following further describes the aspects of the present application with reference to the accompanying drawings.
Referring to fig. 1, there is shown a power line monitoring system for a low signal area provided in an embodiment of the present application, the system including a monitoring center 101, a communication master node 102, and a plurality of monitoring child nodes 103; the communication master node 102 and the plurality of monitoring sub-nodes 103 constitute a topology network centered on the communication master node 102 through a power line channel and/or a wireless channel.
In this embodiment, the communication master node 102 is configured to perform a networking operation on a plurality of monitoring sub-nodes 103, and determine a communication routing table corresponding to each monitoring sub-node 103; the communication routing table is used for characterizing that the current monitoring sub-node 103 points to the monitoring sub-node 103 or the communication main node 102 at the upper stage through the corresponding target channel, and the target channel is a power line channel or a wireless channel. That is, after networking is completed, the monitoring sub-node 103 stores the corresponding communication routing table, and when data transmission is performed, the collected multidimensional operation data of the power line can be transmitted to the target node through the channel according to the target channel and the target node indicated by the communication routing table, where the target node may be the communication master node 102 or the monitoring sub-node 103 at the previous stage.
In this embodiment, the monitoring sub-node 103 may be classified according to the channel between the monitoring sub-node 103 and the communication main node 102, that is, the monitoring sub-node 103 directly connected to the communication main node 102 is a primary node, the monitoring sub-node 103 connected to the communication main node 102 through the primary node is a secondary node, and so on. In this way, the monitoring sub-node 103 at the lowest stage can be connected to the communication master node 102 sequentially through the monitoring sub-node 103 at the previous stage.
In this embodiment, the plurality of monitoring sub-nodes 103 are configured to obtain multidimensional operation data of each power line, and send the multidimensional operation data to the monitoring sub-node 103 or the communication master node 102 of the previous stage through the target channel according to the target channel in the corresponding communication routing table, so that the multidimensional operation data can be sequentially transmitted to the communication master node 102 through the monitoring sub-node 103 of the previous stage.
In this embodiment, the monitoring sub-node 103 may be connected with a plurality of sensors, so as to obtain operation data of different dimensions collected by different sensors, where the multidimensional operation data may include data such as voltage data, current data, and temperature data of the power line.
It should be noted that, the monitoring sub-node 103 is disposed in the low signal area and is used for monitoring the power lines in different areas; the communication master node 102 is disposed in an area where wireless signal coverage is good. By constructing the communication master node 102 and the plurality of monitoring sub-nodes 103 into a topology network centered on the communication master node 102 through a power line channel and/or a wireless channel, the monitoring sub-nodes 103 can stably transmit to the communication master node 102 according to a preferred channel, and then multidimensional operation data is sent to the monitoring center 101 through the communication master node 102 for analysis processing.
In an exemplary embodiment, the monitoring sub-node a is located in a region with weak signals, and the monitoring sub-node B is located in a region with good signals, so after networking is completed, the monitoring sub-node a and the monitoring sub-node 1B are connected through a power line channel, and the monitoring sub-node B is connected with the communication master node through a wireless channel. In this way, after the monitoring sub-node a obtains the multidimensional operation data of the power line, the multidimensional operation data can be sent to the monitoring sub-node B through the power line channel, and the monitoring sub-node B sends the multidimensional operation data to the communication main node through the wireless channel.
According to the embodiment of the application, the hybrid networking is performed through the power line channel or the wireless channel, so that the monitoring sub-node 103 located in the low signal area can be fully guaranteed to smoothly send the collected multidimensional operation data to the monitoring center 101, the monitoring center 101 can be guaranteed to smoothly communicate with the monitoring sub-node 103 located in the low signal area or even in the signal blind area under the condition that original equipment and layout of a power system are not required to be changed and additional wiring is not required, the monitoring center 101 can timely and stably acquire on-site monitoring data, and the monitoring effect is improved.
In one possible embodiment, referring to fig. 2, the communication master node 102 includes a networking instruction sending module 1021, a routing information obtaining module 1022, a first networking module 1023, and a second networking module 1024;
in this embodiment, the networking instruction sending module 1021 is configured to send networking instructions to the plurality of monitoring sub-nodes 103. The user may trigger a networking instruction through the networking instruction sending module 1021 under the condition that the monitoring sub-node 103 is initially deployed or needs to be deleted or newly added, so as to complete networking of the communication main node 102 and the plurality of monitoring sub-nodes 103.
In this embodiment, the route information obtaining module 1022 is configured to obtain power line route information and/or wireless route information returned by the plurality of monitoring sub-nodes 103 in response to the networking instruction, determine the monitoring sub-node 103 with the power line route information returned as a preferred node, and determine the monitoring sub-node 103 with the wireless route information returned as a candidate node.
In this embodiment, after the monitoring sub-node 103 acquires the networking instruction, a communication test is performed to detect other monitoring sub-nodes 103 that can communicate around, and if the monitoring sub-node 103 can communicate with other monitoring sub-nodes 103 through a power line channel, power line routing information for other monitoring sub-nodes 103 is generated; if the monitoring sub-node 103 is able to communicate with other monitoring sub-nodes 103 via a wireless channel, wireless routing information for the other monitoring sub-nodes 103 is generated.
In this embodiment, the first networking module 1023 is configured to network the preferred node through a power line channel based on the power line routing information, to obtain an initial topology network; the preferred nodes in the initial topology network communicate via a power line channel.
In this embodiment, since the priority of the power line channel is higher than that of the wireless channel, the preferred nodes that communicate using the power line channel are automatically networked according to the power line routing information, and an initial topology network is obtained in which all the monitoring sub-nodes 103 are connected via the power line channel. After networking is completed, judging whether a node to be selected exists, and if not, completing networking; if so, the node to be selected is added into the initial topology network to continue networking.
In this embodiment, the second networking module 1024 is configured to add the node to be selected to the initial topology network for networking through a wireless channel based on the wireless routing information of the node to be selected in the case that the node to be selected exists, so as to obtain the topology network.
In the present embodiment, when the power line channel cannot be connected to all the devices for networking, networking is performed by wireless networking, and thus a topology network mainly including the power line channel and secondarily including the wireless channel is formed, and in the topology network, the monitoring sub-node 103 can communicate with the communication main node 102.
In one possible embodiment, referring to fig. 3, the monitoring sub-node 103 includes a data acquisition module 1031, a channel determination module 1032, a wired communication module 1033, and a wireless communication module 1034.
The data acquisition module 1031 is configured to acquire first multidimensional operation data of a power line in which the monitoring sub-node 103 is located and/or second multidimensional operation data sent by a monitoring sub-node 103 at a next stage of the monitoring sub-node 103.
In this embodiment, each monitoring sub-node 103 is configured to transmit, in addition to the monitoring sub-node 103 at the lowest level, the first multidimensional operation data of the power line collected by itself, and forward the second multidimensional operation data transmitted by the monitoring sub-node 103 at the next level to the monitoring sub-node 103 at the previous level.
In this embodiment, after the first multidimensional operation data and/or the second multidimensional operation data to be transmitted are obtained, the channel determining module 1032 determines the target channel based on the communication routing table of the monitoring sub-node 103, and the wired communication module 1033 or the wireless communication module 1034 completes the data transmission.
In this embodiment, the wired communication module 1033 is configured to transmit the first multidimensional operation data and/or the second multidimensional operation data to the monitoring sub-node 103 at the previous stage through the power line channel when the target channel is the power line channel; the wireless communication module 1034 is configured to transmit the first multidimensional operation data and/or the second multidimensional operation data to the monitoring sub-node 103 at the previous stage through the wireless channel when the target channel is the wireless channel.
In the present embodiment, since the monitoring sub-node 103 is configured with both the wired communication module 1033 and the wireless communication module 1034, the corresponding wired communication module 1033 or wireless communication module 1034 can be selected for data transmission according to the target channel indicated in the communication routing table.
In one possible implementation, the wired communication module 1033 includes a carrier modulation unit and a data transmission unit. The carrier modulation unit is used for modulating a carrier wave with preset frequency based on the first multidimensional operation data and/or the second multidimensional operation data to generate a carrier wave signal; the data transmitting unit is configured to transmit the carrier signal to the monitoring sub-node 103 at the previous stage through the power line channel.
In a specific implementation, the carrier modulation unit can add a frame header, a check bit and a frame tail to the transmitted multidimensional operation data to obtain a data frame, and code and demodulate the data frame into a microwave signal capable of being transmitted on a power line.
In this embodiment, the carrier modulation unit loads the multidimensional operation data onto the carrier with the preset frequency, so that no additional communication line is needed, and the transmission of the carrier signal can be realized by using the original power line; meanwhile, the communication master node 102 may receive a carrier signal according to the frequency of the carrier and extract the desired multidimensional operating data from the carrier signal.
In one possible embodiment, the communication master node 102 further includes a data parsing module and a data sending module. The data analysis module is used for analyzing the carrier signal under the condition of receiving the carrier signal to obtain multidimensional operation data corresponding to the carrier signal; the data transmitting module is used for transmitting the multidimensional operation data to the monitoring center 101 for analysis and processing.
In this embodiment, for the carrier signal transmitted through the power line channel, the data analysis module is disposed in the communication master node 102 to analyze the carrier signal, so as to extract the corresponding multidimensional operation data, where the multidimensional operation data includes multidimensional operation data of each power line collected by the plurality of monitoring sub-nodes 103.
In this embodiment, the communication master node 102 may further include a data encryption module; the data encryption module is used for encrypting the multidimensional operation data by adopting a preset private key and transmitting the encrypted multidimensional operation data to the data transmission module; the data transmitting module transmits the encrypted multidimensional operation data to the monitoring center 101 for analysis and processing.
In the embodiment, the data security can be effectively improved by encrypting the multidimensional operation data.
In one possible embodiment, referring to fig. 4, the monitoring center 101 includes a data analysis module 1011 and a display module 1012; the data analysis module 1011 is configured to generate a real-time monitoring curve corresponding to each power line based on the multidimensional operation data; the display module 1012 is used for displaying the real-time monitoring curve corresponding to each power line.
In this embodiment, the data analysis module 1011 can generate a real-time monitoring curve from before the preset time interval to the current time based on the time stamp in the multidimensional operation data; the operation data of different dimensions correspond to different real-time monitoring curves, for example, the real-time monitoring curves corresponding to each power line can comprise a voltage real-time monitoring curve, a current real-time monitoring curve and a temperature real-time monitoring curve.
In a specific implementation, the data analysis module 1011 may specifically include a multidimensional data analysis unit and an anomaly data determination unit. The multi-dimensional data analysis unit is used for carrying out statistical analysis on the historical multi-dimensional operation data and determining health operation curves corresponding to the operation data of different dimensions of each power line in different time periods; the abnormal data determining unit is used for comparing and analyzing the multidimensional operation data with the corresponding healthy operation curves to determine abnormal data in the multidimensional operation data; the display module 1012 is also used to highlight abnormal data in the real-time monitoring curve.
In this embodiment, the multidimensional data analysis unit performs statistical analysis on the historical multidimensional operation data by using a big data method, so as to determine healthy operation curves corresponding to operation data of different dimensions of each power line in different periods. For current data in the multidimensional operation data, a healthy operation curve of the power line in a current dimension can be obtained by carrying out statistical analysis on historical current data of each power line in a healthy state, and the healthy operation curve can reflect normal operation currents of the corresponding power line in different time periods; for temperature data in the multidimensional operation data, a healthy operation curve of the power line in the temperature dimension can be obtained by carrying out statistical analysis on historical temperature data of each power line in the health state, and the healthy operation curve can reflect the normal operation temperature of the corresponding power line in different time periods.
In this embodiment, since the operation rules of the electric devices in different periods are different, there may be a large gap between the multidimensional operation data corresponding to different periods, for example, the operation current of a certain electric device in the daytime period may be greater than the operation current of a certain electric device in the night period, and the operation current in the summer period may be greater than the operation current in the winter period. Therefore, compared with the traditional mode that whether the power line normally operates or not is judged by comparing the multidimensional operation data with the fixed threshold value, the abnormal data in the multidimensional operation data can be more accurately determined by comparing the multidimensional operation data with the healthy operation curve in the dimension corresponding to the corresponding time period, and then the operation state of the power line can be more accurately subjected to fault assessment.
In this embodiment, the monitoring center 101 further includes an early warning module and a fault diagnosis module. The fault diagnosis module is used for determining a fault type and a fault position corresponding to the abnormal data under the condition that the abnormal data appear; the early warning module is used for generating early warning information based on the abnormal data, the fault type and the fault position and sending the early warning information to a preset terminal.
In this embodiment, after the abnormal data determining unit determines the abnormal data in the multidimensional operation data, the fault diagnosis module further analyzes the abnormal data, determines the fault type corresponding to the abnormal data, such as an overvoltage fault, an open circuit fault, an overcurrent fault, a short circuit fault, a high-temperature fault, and the like, and determines the fault position corresponding to the abnormal data, such as position information and equipment number information of a corresponding monitoring terminal, so that after the worker receives the early warning information at the preset terminal, the worker can know the fault type and the fault position sent by the fault at the first time and arrive at the site in time to perform corresponding maintenance or maintenance.
In this embodiment, the monitoring center 101 further includes a data compression module and a database. The data compression module is used for compressing the corresponding multidimensional operation data of each power line according to a preset compression format to obtain a monitoring log file; the database is used for storing the monitoring log file.
In this embodiment, to facilitate operations such as data retrieval and fault analysis, the monitoring center 101 also stores multidimensional operation data corresponding to each power line. In a specific implementation, to reduce the storage pressure of the monitoring center 101, the multidimensional operation data is first compressed by a data compression module according to a preset compression format, such as a tar format, and the obtained monitoring log file is stored in a database.
In this embodiment, a worker may retrieve multidimensional operation data at any time from a database through the monitoring center 101. In a specific implementation, when current operation data of a certain period needs to be called, the monitoring center 101 can call the current operation data of the period in the database based on the period field by inputting the corresponding period field, and present the current operation data of the period in a chart mode. Preferably, when the operation data of a certain dimension is called, the associated information can be synchronously called, and when the user needs to display the associated information, comprehensive reference data is provided.
In a second aspect, based on the same inventive concept, referring to fig. 5, an embodiment of the present application provides a power line monitoring method for a low signal area, which is applied to a power line monitoring system for a low signal area, referring to fig. 1, the system includes a monitoring center 101, a communication main node 102, and a plurality of monitoring sub nodes 103; the communication master node 102 and the plurality of monitoring sub-nodes 103 form a topology network centering on the communication master node 102 through a power line channel and/or a wireless channel; the power line monitoring method for the low signal area specifically comprises the following steps:
S501: the communication main node 102 performs networking operation on a plurality of monitoring sub-nodes 103, and determines a communication routing table corresponding to each monitoring sub-node 103; the communication routing table is used for representing the current monitoring sub-node 103 to point to the monitoring sub-node 103 or the communication main node 102 at the upper level through the corresponding target channel; the target channel is a power line channel or a wireless channel;
s502: the monitoring sub-nodes 103 acquire multidimensional operation data of the power lines, and the multidimensional operation data are sent to the monitoring sub-node 103 or the communication main node 102 at the upper stage through the target channels according to the target channels in the corresponding communication routing tables, so that the multidimensional operation data can be transmitted to the communication main node 102 through the monitoring sub-node 103 at the upper stage in sequence;
s503: the communication master node 102 transmits the multidimensional operation data to the monitoring center 101 for analysis processing.
In one possible embodiment, the communication master node 102 includes a networking instruction sending module 1021, a routing information obtaining module 1022, a first networking module 1023, and a second networking module 1024; the power line monitoring method for the low signal area specifically further comprises the following steps:
S501-1: the networking instruction sending module 1021 sends networking instructions to the monitoring sub-nodes 103;
s501-2: the route information obtaining module 1022 obtains power line route information and/or wireless route information returned by the plurality of monitoring sub-nodes 103 in response to the networking instruction, determines the monitoring sub-node 103 with the power line route information returned as a preferred node, and determines the monitoring sub-node 103 with the wireless route information returned as a candidate node;
s501-3: the first networking module 1023 performs networking on the preferred node through a power line channel based on the power line routing information to obtain an initial topology network; the preferred nodes in the initial topology network communicate with each other through a power line channel;
s501-4: the second networking module 1024 adds the node to be selected to the initial topology network through the wireless channel for networking based on the wireless routing information of the node to be selected in the case that the node to be selected exists, so as to obtain the topology network.
In one possible embodiment, the monitoring sub-node 103 includes a data acquisition module 1031, a channel determination module 1032, a wired communication module 1033, and a wireless communication module 1034; the power line monitoring method for the low signal area specifically further comprises the following steps:
S502-1: the data acquisition module 1031 acquires first multidimensional operating data of the power line where the monitoring sub-node 103 is located and/or second multidimensional operating data sent by the monitoring sub-node 103 at the next stage of the monitoring sub-node 103;
s502-2: the channel determination module 1032 determines the target channel based on the communication routing table of the monitoring child node 103;
s502-3: the wired communication module 1033 transmits the first multidimensional operating data and/or the second multidimensional operating data to the monitoring sub-node 103 of the previous stage through the power line channel when the target channel is the power line channel;
s502-4: the wireless communication module 1034 transmits the first multidimensional operating data and/or the second multidimensional operating data to the monitoring sub-node 103 of the previous stage through the wireless channel in the case that the target channel is the wireless channel.
In one possible embodiment, the wired communication module 1033 includes a carrier modulation unit and a data transmission unit; the power line monitoring method for the low signal area specifically further comprises the following steps:
s502-3-1: the carrier modulation unit modulates a carrier with preset frequency based on the first multi-dimensional operation data and/or the second multi-dimensional operation data to generate a carrier signal;
S502-3-2: the data transmission unit transmits the carrier signal to the monitoring sub-node 103 of the previous stage through the power line channel.
In one possible implementation, the communication master node 102 further includes a data parsing module and a data sending module; the power line monitoring method for the low signal area specifically further comprises the following steps:
s503-1: the data analysis module analyzes the carrier signal under the condition of receiving the carrier signal to obtain multidimensional operation data corresponding to the carrier signal;
s503-2: the data transmitting module transmits the multidimensional operation data to the monitoring center 101 for analysis and processing.
In one possible embodiment, the communication master node 102 further comprises a data encryption module; the power line monitoring method for the low signal area specifically further comprises the following steps:
s503-3: the data encryption module encrypts the multidimensional operation data by adopting a preset private key and sends the encrypted multidimensional operation data to the data sending module;
s503-4: the data transmitting module transmits the encrypted multidimensional operation data to the monitoring center 101 for analysis and processing.
In one possible embodiment, the monitoring center 101 includes a data analysis module 1011 and a display module 1012; the power line monitoring method for the low signal area specifically further comprises the following steps:
S504: the data analysis module 1011 generates a real-time monitoring curve corresponding to each power line based on the multidimensional operation data;
s505: the display module 1012 displays the respective real-time monitoring curves for each power line.
In one possible embodiment, the data analysis module 1011 includes a multidimensional data analysis unit and an anomaly data determination unit; the power line monitoring method for the low signal area specifically further comprises the following steps:
s504-1: the multi-dimensional data analysis unit performs statistical analysis on the historical multi-dimensional operation data to determine health operation curves corresponding to operation data of different dimensions of each power line in different time periods;
s504-2: the abnormal data determining unit compares and analyzes the multidimensional operation data with the corresponding healthy operation curves to determine abnormal data in the multidimensional operation data;
s504-3: the display module 1012 displays the anomaly data in the real-time monitoring profile.
In one possible embodiment, the monitoring center 101 further includes an early warning module and a fault diagnosis module; the power line monitoring method for the low signal area specifically further comprises the following steps:
s506: the fault diagnosis module determines a fault type and a fault position corresponding to the abnormal data under the condition that the abnormal data appear;
S507: the early warning module generates early warning information based on the abnormal data, the fault type and the fault position, and sends the early warning information to a preset terminal.
In one possible embodiment, the monitoring center 101 further includes a data compression module and a database; the power line monitoring method for the low signal area specifically further comprises the following steps:
s508: the data compression module compresses the corresponding multidimensional operation data of each power line according to a preset compression format to obtain a monitoring log file;
s509: the database stores the monitoring log files.
It should be noted that, the specific implementation manner of the low-signal area power line monitoring method in the embodiment of the present application refers to the specific implementation manner of the low-signal area power line monitoring system set forth in the first aspect of the embodiment of the present application, and is not described herein again.
In some embodiments, the computer readable storage medium may be FRAM, ROM, PROM, EPROM, EEPROM, flash memory, magnetic surface memory, optical disk, or CD-ROM; but may be a variety of devices including one or any combination of the above memories. The computer may be a variety of computing devices including smart terminals and servers.
In some embodiments, the executable instructions may be in the form of programs, software modules, scripts, or code, written in any form of programming language (including compiled or interpreted languages, or declarative or procedural languages), and they may be deployed in any form, including as stand-alone programs or as modules, components, subroutines, or other units suitable for use in a computing environment.
As an example, the executable instructions may, but need not, correspond to files in a file system, may be stored as part of a file that holds other programs or data, for example, in one or more scripts in a hypertext markup language (HTML, hyper Text Markup Language) document, in a single file dedicated to the program in question, or in multiple coordinated files (e.g., files that store one or more modules, sub-programs, or portions of code).
As an example, executable instructions may be deployed to be executed on one computing device or on multiple computing devices located at one site or, alternatively, distributed across multiple sites and interconnected by a communication network.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in an article or apparatus that comprises the element.
The foregoing has described in detail a low signal area power line monitoring system, and specific examples have been presented herein to illustrate the principles and implementations of the present application, the above examples being provided only to assist in understanding the methods of the present application and their core ideas; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the ideas of the present application, the contents of the present specification should not be construed as limiting the present application in summary.
Claims (10)
1. The power line monitoring system for the low signal area is characterized by comprising a monitoring center, a communication main node and a plurality of monitoring sub-nodes; the communication master node and the plurality of monitoring sub-nodes form a topology network centering on the communication master node through a power line channel and/or a wireless channel, wherein,
The communication master node is used for performing networking operation on the plurality of monitoring sub-nodes and determining a communication routing table corresponding to each monitoring sub-node; the communication routing table is used for representing the current monitoring sub-node to point to the monitoring sub-node or the communication main node at the upper level through the corresponding target channel; the target channel is a power line channel or a wireless channel;
the monitoring sub-nodes are used for acquiring multidimensional operation data of the power lines, and transmitting the multidimensional operation data to a monitoring sub-node or a communication main node at the upper stage through the target channels according to the target channels in the corresponding communication routing tables, so that the multidimensional operation data can be transmitted to the communication main node through the monitoring sub-node at the upper stage in sequence;
the communication master node is further configured to send the multidimensional operation data to the monitoring center for analysis and processing.
2. The system for monitoring a power line in a low signal area according to claim 1, wherein the communication master node includes a networking instruction transmitting module, a routing information acquiring module, a first networking module and a second networking module;
The networking instruction sending module is used for sending networking instructions to the plurality of monitoring sub-nodes;
the route information acquisition module is used for acquiring power line route information and/or wireless route information returned by the plurality of monitoring sub-nodes in response to the networking instruction, determining the monitoring sub-node with the power line route information as a preferred node, and determining the monitoring sub-node with the wireless route information as a node to be selected;
the first networking module is configured to network the preferred node through a power line channel based on power line routing information to obtain an initial topology network; the preferred nodes in the initial topology network communicate with each other through a power line channel;
the second networking module is configured to add, in the initial topology network, the node to be selected to perform networking through a wireless channel based on wireless routing information of the node to be selected when the node to be selected exists, so as to obtain the topology network.
3. The low signal area power line monitoring system of claim 1, wherein the monitoring sub-node comprises a data acquisition module, a channel determination module, a wired communication module, and a wireless communication module;
The data acquisition module is used for acquiring first multidimensional operation data of the power line where the monitoring sub-node is located and/or second multidimensional operation data sent by a monitoring sub-node at the next stage of the monitoring sub-node;
the channel determining module is used for determining a target channel based on the communication routing table of the monitoring sub-node;
the wired communication module is configured to transmit the first multidimensional operation data and/or the second multidimensional operation data to a monitoring sub-node of a previous stage through the power line channel when the target channel is the power line channel;
the wireless communication module is configured to transmit the first multidimensional operation data and/or the second multidimensional operation data to a monitoring sub-node at a previous stage through the wireless channel when the target channel is the wireless channel.
4. The low-signal-area power line monitoring system according to claim 3, wherein the wired communication module includes a carrier modulation unit and a data transmission unit;
the carrier modulation unit is used for modulating a carrier with preset frequency based on the first multi-dimensional operation data and/or the second multi-dimensional operation data to generate a carrier signal;
The data transmitting unit is configured to transmit the carrier signal to a monitoring sub-node of a previous stage through the power line channel.
5. The low signal area power line monitoring system of claim 4, wherein the communication master node further comprises a data parsing module and a data transmitting module;
the data analysis module is used for analyzing the carrier signal under the condition of receiving the carrier signal to obtain multidimensional operation data corresponding to the carrier signal;
the data transmitting module is used for transmitting the multidimensional operation data to the monitoring center for analysis and processing.
6. The low signal area power line monitoring system of claim 5, wherein the communication master node further comprises a data encryption module;
the data encryption module is used for encrypting the multidimensional operation data by adopting a preset private key and sending the encrypted multidimensional operation data to the data sending module;
the data transmitting module is specifically configured to transmit the encrypted multidimensional operation data to the monitoring center for analysis and processing.
7. The low signal area power line monitoring system of claim 1, wherein the monitoring center comprises a data analysis module and a display module;
The data analysis module is used for generating a real-time monitoring curve corresponding to each power line based on the multidimensional operation data;
and the display module is used for displaying the real-time monitoring curve corresponding to each power line.
8. The low-signal-area power line monitoring system according to claim 7, wherein the data analysis module includes a multidimensional data analysis unit and an abnormal data determination unit;
the multi-dimensional data analysis unit is used for carrying out statistical analysis on the historical multi-dimensional operation data and determining health operation curves corresponding to the operation data of different dimensions of each power line in different time periods;
the abnormal data determining unit is used for comparing and analyzing the multidimensional operation data with the corresponding healthy operation curves to determine abnormal data in the multidimensional operation data;
the display module is further used for displaying the abnormal data in the real-time monitoring curve.
9. The low signal area power line monitoring system of claim 8, wherein the monitoring center further comprises an early warning module and a fault diagnosis module;
the fault diagnosis module is used for determining a fault type and a fault position corresponding to the abnormal data under the condition that the abnormal data appear;
The early warning module is used for generating early warning information based on the abnormal data, the fault type and the fault position and sending the early warning information to a preset terminal.
10. The low signal area power line monitoring system of claim 7, wherein the monitoring center further comprises a data compression module and a database;
the data compression module is used for compressing the corresponding multidimensional operation data of each power line according to a preset compression format to obtain a monitoring log file;
and the database is used for storing the monitoring log file.
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