A power data processing system for no-signal areas

Abstract

The present invention discloses a signal-free area power data processing system, which relates to the technical field of power automation. The signal-free area power data processing system provided by the present invention obtains power data of several power base stations, and transmits the power data to a data processing unit in a signal area through several serially connected wireless transmission base stations, thereby realizing timely acquisition of signal-free area power data and processing of the signal-free area power data. At the same time, several power base stations in the system are interconnected in a mesh topology structure, and power data is forwarded by multiple hops, so that the system can obtain power data in a wide range; the optimal path for forwarding power information is obtained by calculating a minimum spanning tree, and adding or deleting nodes to the communication network is supported. The system has good practicality and solves the problems of untimely processing of signal-free area power data and great difficulty in transmitting signal-free area power data.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power automation, and in particular to a no-signal area electric power data processing system. Background Art

[0002] In recent years, with the continuous development of power technology, the coverage of transmission lines has been expanding. From cities to villages and then to some remote mountainous areas, deserts and undeveloped forest areas, the power supply network has covered most areas and provided comprehensive power supply services and guarantees. For the power supply network that connects thousands of households, the supervision and analysis of power data is the basis for the construction and maintenance of the power supply network. Power data can not only truly and objectively reflect the overall operation status of society, but also be a barometer of the economy and society. Timely monitoring of power data can timely grasp the power consumption trends in various places and scientifically allocate power resources, thereby realizing the management of the power supply network. However, for remote mountainous areas, deserts and undeveloped forest areas, due to their geographical environment limitations, it is usually difficult to build a large number of communication base stations to fully cover the signal, resulting in the existence of no-signal areas in the above-mentioned remote mountainous areas, deserts and undeveloped forest areas. How to timely grasp the power data of the no-signal area and analyze and manage the power data has become a problem that needs to be solved urgently. Summary of the invention

[0003] In order to obtain power data of a no-signal area in a timely manner and analyze and manage the power data of the no-signal area, the present invention provides a no-signal area power data processing system, the no-signal area power data processing system comprising:

[0004] Data collection unit: used to obtain power data, including power generation information, power consumption information, cable load information and geographical location information, and send the power data to the wireless transmission unit in segments;

[0005] Wireless transmission unit: wirelessly connected to the data acquisition unit, used to forward the received power data to the data processing unit in segments;

[0006] Wherein, the wireless transmission unit comprises a plurality of wireless transmission base stations connected in series, and the plurality of wireless transmission base stations perform wireless communication through directional antennas;

[0007] Data processing unit: used to process the received power data.

[0008] Among them, the principle of this system is: the data acquisition unit obtains the power data of the signal-free area, and sends the power data in segments to the wireless transmission unit, the wireless transmission unit includes several wireless transmission base stations connected in series, and the several wireless transmission base stations forward the power data in segments in sequence through directional antennas until it is sent to the data processing unit set in the signal area, and finally the data processing unit processes the received power data, thereby realizing the processing of the power data in the signal-free area.

[0009] Among them, since the no-signal areas are mostly remote areas such as mountainous areas or forests, and the no-signal areas are large, the data acquisition unit includes several power base stations. There is a possibility that the several power base stations cannot be directly interconnected with the wireless transmission unit. In order to accurately obtain the power data of the locations of several power base stations in the no-signal area, the several power base stations are interconnected in a mesh topology structure to form a communication network; wherein, after the power base station obtains the power data, it forwards the power data according to the interconnection relationship of the several power base stations in the communication network, and the power data is sent to the wireless transmission unit after multi-hop forwarding.

[0010] In order to prevent the data acquisition unit from sending power data to the wireless transmission unit with too high a power to cause channel saturation or with too low a power to cause the wireless transmission unit to be unable to obtain the power data, the signal-free area power data processing system also includes a power control unit, which is used to control the power of the data acquisition unit to send power data to the wireless transmission unit.

[0011] Furthermore, since the communication channel is greatly affected by real-time temperature, precipitation, and buildings, the power control unit controls the power of the data acquisition unit to send the power data to the wireless transmission unit in real time according to the real-time feedback of the wireless transmission unit. The power control unit controls the power of the data acquisition unit to send the power data to the wireless transmission unit, including the following steps:

[0012] Step a: the power control unit sends a test signal to the wireless transmission unit;

[0013] Step b: the wireless transmission unit measures the power of the received first test signal and sends a feedback signal to the power control unit;

[0014] Step c: the power control unit controls the power of the data acquisition unit to send the power data to the wireless transmission unit according to the feedback signal, and returns to execute step a.

[0015] In order to reduce the transmission cost caused by multiple forwardings of the power data in the communication network, the power data is forwarded to the wireless transmission unit via multiple hops, including the following steps:

[0016] The first power base station obtains first data according to the communication network, including locations and real-time interconnection relationships of several power base stations in the communication network;

[0017] The first power base station calculates a minimum spanning tree according to the first data to obtain second data;

[0018] The first power base station determines a second power base station according to the second data, and sends the power data and the second data to the corresponding second power base station;

[0019] The second power base station continues to forward the power data according to the second data until the power data is sent to the wireless transmission unit.

[0020] Further, in order to prevent the structure of the communication network from changing during the process of forwarding the power data in the communication network, making the predetermined forwarding channel unavailable, the second power base station continues to forward the power data according to the second data, further comprising the following steps:

[0021] Step 1: Obtain a third power base station according to the second data, and determine whether the channels between the second power base station and the third power base station are idle. If not, execute step 2; if yes, execute step 4.

[0022] Step 2: obtaining third data according to the communication network, including the locations and real-time interconnection relationships of several power base stations in the communication network;

[0023] Step 3: Calculate a minimum spanning tree according to the third data, and update the second data;

[0024] Step 4: Determine a third power base station based on the second data, and send the power data and the second data to the corresponding third power base station. The third power base station continues to forward the power data based on the second data until the power data is sent to the wireless transmission unit.

[0025] Among them, since the number of edges of the communication network formed by the several communication base stations is relatively small, in order to improve the calculation efficiency of the minimum spanning tree and obtain the calculation result quickly and accurately, the minimum spanning tree is calculated by the Cruise algorithm.

[0026] Among them, since in actual use, a new geographical base station may be assumed in the no-signal area due to actual needs, in order to enable the newly erected power base station to join the communication network, the no-signal area power data processing system also includes a networking unit, which is used to add nodes in the communication network and update the communication network.

[0027] Furthermore, the networking unit adds the communication network node and updates the communication network including the following steps:

[0028] Obtaining fourth data and newly added node location data according to the communication network, wherein the fourth data includes locations and real-time interconnection relationships of several power base stations in the communication network;

[0029] Searching for a neighboring power base station of the newly added node according to the fourth data and the newly added node location data;

[0030] A connection is established between the newly added node and the neighboring power base station, and the communication network is updated.

[0031] In order to process the power data of the no-signal area as needed, clear the redundant data in the power data of the no-signal area, and analyze the future power consumption trend, the data processing unit processes the received power data including the following steps:

[0032] The data cleaning step includes: cleaning the acquired power data to obtain a prediction data set and a training data set;

[0033] The data training step includes: establishing a power data learning model, training the power data learning model according to the training data set, and obtaining a power data prediction model;

[0034] The data prediction step includes: processing the prediction data set according to the power data prediction model to obtain a prediction result.

[0035] One or more technical solutions provided by the present invention have at least the following technical effects or advantages:

[0036] (1) A power data processing system for a no-signal area provided by the present invention obtains power data of several power base stations, and transmits the power data to a data processing unit in a signal area through several serially connected wireless transmission base stations, thereby achieving timely acquisition of power data in a no-signal area and processing of the power data in a no-signal area;

[0037] (2) In a power data processing system for a signal-free area provided by the present invention, a plurality of power base stations are interconnected in a mesh topology structure to form a communication network, so that any of the power base stations can be used as both a power data acquisition terminal and a power data forwarding router, so that the system can obtain power data over a wide range;

[0038] (3) A signal-free area power data processing system provided by the present invention controls the signal transmission strength between the data acquisition unit and the wireless transmission unit through a power control unit, effectively avoiding the signal strength being too low or oversaturated;

[0039] (4) The power data processing system in a signal-free area provided by the present invention obtains the best path for information forwarding by calculating the minimum spanning tree, and supports adding or deleting nodes to the communication network, and has good practicality;

[0040] To sum up, one or more technical solutions provided by the present invention achieve the goal of timely obtaining power data in no-signal areas and analyzing and managing the power data in no-signal areas, solving the problems of untimely processing of power data in no-signal areas and difficulty in transmitting power data in no-signal areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] The drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of the present invention, and do not constitute a limitation on the embodiments of the present invention;

[0042] Figure 1 It is a structural schematic diagram of the power data processing system in the no-signal area of ​​the present invention;

[0043] Figure 2 It is a schematic diagram of the topological structure of the communication network in the present invention;

[0044] Figure 3 It is a schematic diagram of the calculation result of the minimum spanning tree in the present invention;

[0045] Figure 4 It is a schematic diagram of the processing flow of the networking unit in the present invention. DETAILED DESCRIPTION

[0046] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0047] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those within the scope of this description. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0048] Embodiment 1

[0049] Please refer to Figure 1, Embodiment 1 of the present invention provides a no-signal area power data processing system, the no-signal area power data processing system comprises: a data acquisition unit: used to obtain power data, the power data includes power generation information, power consumption information, cable load information and geographical location information, and send the power data to the wireless transmission unit in segments;

[0050] Wireless transmission unit: wirelessly connected to the data acquisition unit, used to forward the received power data to the data processing unit in segments;

[0051] Wherein, the wireless transmission unit comprises a plurality of wireless transmission base stations connected in series, and the plurality of wireless transmission base stations perform wireless communication through directional antennas;

[0052] Data processing unit: used to process the received power data.

[0053] The data acquisition unit may send the power data segments to the wireless transmission unit by using the Transmission Control Protocol (TCP) or the User Datagram Protocol (UDP). In order to ensure the reliability of power data transmission and avoid data loss, the transmission control protocol is preferably used to implement segmented transmission of power data.

[0054] Among them, the directional antenna refers to an antenna that has a particularly strong ability to transmit and receive signals in one or several specific directions, but has almost zero ability to transmit and receive signals in other directions. The several serially connected wireless transmission base stations realize information transmission through directional antennas, which can increase the confidentiality of information transmission and increase the utilization rate of signal radiation power. The directional antenna can be set as a two-element directional antenna array, a four-element directional antenna array or an eight-element directional antenna array, which is determined according to actual needs and is not specifically limited in this embodiment.

[0055] In this embodiment, the wireless transmission unit includes at least one wireless transmission base station. The number of the wireless transmission base stations is preferably sufficient to transmit the power data to a signal area. The specific number is not specifically limited in this embodiment.

[0056] In this embodiment, the data acquisition unit includes a plurality of power base stations, and the plurality of power base stations are interconnected in a mesh topology structure to form a communication network; after the power base station obtains the power data, it forwards the power data according to the interconnection relationship between the plurality of power base stations in the communication network, and the power data is sent to the wireless transmission unit after multi-hop forwarding. The number of the power base stations is determined according to actual conditions, and this embodiment does not make any specific limitation here.

[0057] In this embodiment, the power data is forwarded to the wireless transmission unit via multiple hops, including the following steps:

[0058] The first power base station obtains first data according to the communication network, including locations and real-time interconnection relationships of several power base stations in the communication network;

[0059] The first power base station calculates a minimum spanning tree according to the first data to obtain second data;

[0060] The first power base station determines a second power base station according to the second data, and sends the power data and the second data to the corresponding second power base station;

[0061] The second power base station continues to forward the power data according to the second data until the power data is sent to the wireless transmission unit.

[0062] Among them, since the communication network is a mesh topology structure, such as Figure 2 As shown, the first data obtained by the first power base station according to the communication network can be represented by a directed acyclic graph, Figure 2 In the directed acyclic graph shown, nodes 1, 2, 3, 4 and 5 respectively represent different power base stations, the edges in the directed acyclic graph represent the interconnection relationship between the power base stations, and the corresponding values ​​on the edges in the directed acyclic graph represent the location distance relationship between the power base stations.

[0063] Furthermore, the second power base station continues to forward the power data according to the second data, further comprising the following steps:

[0064] Step 1: Obtain a third power base station according to the second data, and determine whether the channels between the second power base station and the third power base station are idle. If not, execute step 2; if yes, execute step 4.

[0065] Step 2: obtaining third data according to the communication network, including the locations and real-time interconnection relationships of several power base stations in the communication network;

[0066] Step 3: Calculate a minimum spanning tree according to the third data, and update the second data;

[0067] Step 4: Determine a third power base station based on the second data, and send the power data and the second data to the corresponding third power base station. The third power base station continues to forward the power data based on the second data until the power data is sent to the wireless transmission unit.

[0068] The calculation of the spanning tree shown can be implemented by Prim's algorithm or Cruise's algorithm. Since the Cruise algorithm has a more efficient calculation efficiency when the number of edges is small, this embodiment preferably calculates the minimum spanning tree by the Cruise algorithm. Figure 2 In the communication network shown in FIG. 1 , when the power base station corresponding to node 1 obtains power data, the minimum spanning tree calculated is as follows: Figure 3 shown.

[0069] Embodiment 2

[0070] Please refer to Figure 1-4 Embodiment 2 of the present invention provides a signal-free area power data processing system. Based on embodiment 1, the signal-free area power data processing system in this embodiment further includes a power control unit, which is used to control the power of the data acquisition unit in sending power data to the wireless transmission unit.

[0071] Among them, the power control unit can control the power of the data acquisition unit to send power data to the wireless transmission unit through a closed-loop power control algorithm or an open-loop power control algorithm. Since the positions of the data acquisition unit and the wireless transmission unit in the present invention are relatively fixed, but the channel conditions between the data acquisition unit and the wireless transmission unit are not fixed, in order to make the power control more precise and stable, this embodiment preferably controls the power of the data acquisition unit to send power data to the wireless transmission unit through a closed-loop control algorithm.

[0072] In this embodiment, the power control unit controls the data acquisition unit to send power data to the wireless transmission unit, including the following steps:

[0073] Step a: the power control unit sends a test signal to the wireless transmission unit;

[0074] Step b: the wireless transmission unit measures the power of the received first test signal and sends a feedback signal to the power control unit;

[0075] Step c: the power control unit controls the power of the data acquisition unit to send the power data to the wireless transmission unit according to the feedback signal, and returns to execute step a.

[0076] In this embodiment, the no-signal area power data processing system further includes a networking unit, and the networking unit is used to add nodes in the communication network and update the communication network.

[0077] Furthermore, the networking unit adds the communication network node and updates the communication network including the following steps:

[0078] Obtaining fourth data and newly added node location data according to the communication network, wherein the fourth data includes locations and real-time interconnection relationships of several power base stations in the communication network;

[0079] Searching for a neighboring power base station of the newly added node according to the fourth data and the newly added node location data;

[0080] A connection is established between the newly added node and the neighboring power base station, and the communication network is updated.

[0081] In this embodiment, the data processing unit processes the received power data including the following steps:

[0082] The data cleaning step includes: cleaning the acquired power data to obtain a prediction data set and a training data set;

[0083] The data training step includes: establishing a power data learning model, training the power data learning model according to the training data set, and obtaining a power data prediction model;

[0084] The data prediction step includes: processing the prediction data set according to the power data prediction model to obtain a prediction result.

[0085] The data processing unit may implement the data cleaning step through data warehouse tools such as Datastage, Kettle, ODI, DataX or Canak. The data warehouse tools and data cleaning standards are determined according to actual needs and are not specifically limited in this embodiment.

[0086] Among them, the power data learning model can be a naive Bayes model, a decision tree model, a nearest neighbor algorithm model or a support vector machine algorithm model, and the selection is determined according to actual needs, and this embodiment does not make any specific limitations here.

[0087] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0088] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A power data processing system in a no-signal area, characterized in that: The no-signal area power data processing system comprises: Data collection unit: used to obtain power data, including power generation information, power consumption information, cable load information and geographical location information, and send the power data to the wireless transmission unit in segments; Wireless transmission unit: wirelessly connected to the data acquisition unit, used to forward the received power data to the data processing unit in segments; Wherein, the wireless transmission unit comprises a plurality of wireless transmission base stations connected in series, and the plurality of wireless transmission base stations connected in series perform wireless communication through directional antennas; Data processing unit: used to process the received power data; the data acquisition unit includes a plurality of power base stations, which are interconnected in a mesh topology to form a communication network; wherein, after the power base station obtains the power data, it forwards the power data according to the interconnection relationship of the plurality of power base stations in the communication network, and the power data is sent to the wireless transmission unit or the target power base station after multi-hop forwarding; The power data is forwarded to the wireless transmission unit via multiple hops, comprising the following steps: The first power base station obtains first data according to the communication network, the first data including the locations and real-time interconnection relationships of several power base stations in the communication network; The first power base station calculates a minimum spanning tree according to the first data to obtain second data; The first power base station determines a second power base station according to the second data, and sends the power data and the second data to the corresponding second power base station; The second power base station continues to forward the power data according to the second data until the power data is sent to the wireless transmission unit or the target power base station; The second power base station continues to forward the power data according to the second data and further includes the following steps: Step 1: Obtain a third power base station according to the second data, and determine whether the channels between the second power base station and the third power base station are idle. If not, execute step 2; if yes, execute step 4. Step 2: obtaining third data according to the communication network, the third data including the locations and real-time interconnection relationships of several power base stations in the communication network; Step 3: Calculate a minimum spanning tree according to the third data, and update the second data; Step 4: Determine a third power base station according to the second data, send the power data and the second data to the corresponding third power base station, and the third power base station continues to forward the power data according to the second data until the power data is sent to the wireless transmission unit or the target power base station; the no-signal area power data processing system also includes a power control unit, which is used to control the power of the data acquisition unit to send power data to the wireless transmission unit; The no-signal area power data processing system further includes a networking unit, which is used to add nodes in the communication network and update the communication network, and the nodes in the communication network are power base stations.

2. The no-signal area power data processing system according to claim 1, characterized in that: The power control unit controls the data acquisition unit to send power data to the wireless transmission unit, comprising the following steps: Step a: the power control unit sends a first test signal to the wireless transmission unit; Step b: the wireless transmission unit measures the power of the received first test signal and sends a feedback signal to the power control unit; Step c: the power control unit controls the power of the data acquisition unit to send the power data to the wireless transmission unit according to the feedback signal, and returns to execute step a.

3. The no-signal area power data processing system according to claim 1, characterized in that: The minimum spanning tree is calculated by the Cruise algorithm.

4. The no-signal area power data processing system according to claim 1, characterized in that: The networking unit adds a node in the communication network and updates the communication network, comprising the following steps: Obtaining fourth data and newly added node location data according to the communication network, wherein the fourth data includes locations and real-time interconnection relationships of several power base stations in the communication network; Searching for a neighboring power base station of the newly added node according to the fourth data and the newly added node location data; A connection is established between the newly added node and the neighboring power base station, and the communication network is updated.

5. The no-signal area power data processing system according to claim 1, characterized in that: The data processing unit processes the received power data including the following steps: The data cleaning step includes: cleaning the acquired power data to obtain a prediction data set and a training data set; The data training step includes: establishing a power data learning model, training the power data learning model according to the training data set, and obtaining a power data prediction model; The data prediction step includes: processing the prediction data set according to the power data prediction model to obtain a prediction result.

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