CN111224846A - Flow monitoring method and device applied to power acquisition system - Google Patents
Flow monitoring method and device applied to power acquisition system Download PDFInfo
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- CN111224846A CN111224846A CN202010031832.5A CN202010031832A CN111224846A CN 111224846 A CN111224846 A CN 111224846A CN 202010031832 A CN202010031832 A CN 202010031832A CN 111224846 A CN111224846 A CN 111224846A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/16—Threshold monitoring
Abstract
The invention relates to the technical field of data flow monitoring, and provides a flow monitoring method applied to a power acquisition system, wherein the power acquisition system comprises an acquisition terminal, a remote communication terminal and a monitoring master station, the method is executed at the remote communication terminal, and the method comprises the following steps: 1) receiving and storing a preset time length flow threshold value issued by a preset server; 2) counting data flow values in a preset time length at a data port of a remote communication terminal in real time to obtain a flow counting value in the preset time length; 3) comparing the preset duration flow statistic with a preset duration flow threshold, if the comparison result is that the preset duration flow statistic is greater than the preset duration flow threshold, executing the step 4), otherwise, returning to the step 2); 4) and uploading the flow statistic value of the preset time length to a preset server. According to the technical scheme provided by the invention, the flow of the power acquisition system can be directly monitored, so that the management efficiency of the power acquisition system is improved.
Description
Technical Field
The invention relates to the technical field of data flow monitoring, in particular to a flow monitoring method applied to an electric power acquisition system and a flow monitoring device applied to the electric power acquisition system.
Background
Currently, wireless communication technology is widely applied in the power industry. The power acquisition system adopts the existing cellular network resources, so that a monitoring master station in the system is connected with the acquisition terminal through wireless communication. The collection terminal is used for collecting power utilization information (usually, electricity meter data) of a user, sending the collected power utilization information to the monitoring main station through the cellular network, and carrying out power utilization statistics and power utilization management on the user by the monitoring main station.
Because the acquisition terminal is connected to the monitoring master station through a cellular network, for example, through a GPRS (general packet radio service) or LTE (long term Evolution) network, at present, data transmission traffic of the power acquisition system is managed by a network operator, and the monitoring master station can only query the system traffic through the network operator, but cannot directly monitor the system traffic, thereby causing inconvenience in management of the monitoring master station.
Disclosure of Invention
In view of this, the present invention is directed to a flow monitoring method and apparatus applied to an electric power collection system, which can directly monitor the flow of the electric power collection system, so as to improve the management efficiency of the electric power collection system.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a flow monitoring method applied to a power acquisition system, wherein the power acquisition system comprises an acquisition terminal, a remote communication terminal and a monitoring master station, the method is executed at the remote communication terminal, and the method comprises the following steps:
1) receiving and storing a preset time length flow threshold value issued by a preset server;
2) counting data flow values in a preset time length at a data port of the remote communication terminal in real time to obtain a flow counting value in the preset time length;
3) comparing the preset duration flow statistic with the preset duration flow threshold, if the comparison result is that the preset duration flow statistic is greater than the preset duration flow threshold, executing the step 4), otherwise, returning to the step 2);
4) and uploading the flow statistic value of the preset time length to the preset server.
Further, the method further comprises:
and the monitoring master station accesses the preset server to read the flow statistic value in the preset time.
Further, before the receiving and storing the traffic threshold of the predetermined duration issued by the preset server, the method further includes:
and establishing a Socket connection based on a TCP/IP protocol with the preset server.
Preferably, the establishing of the Socket connection based on the TCP/IP protocol with the preset server includes:
the acquisition terminal sends a preset wireless connection AT instruction to the remote communication terminal;
and the remote communication terminal establishes Socket connection based on a TCP/IP protocol with the preset server according to the received preset wireless connection AT instruction.
Further, the method further comprises:
receiving a flow statistics zero clearing command issued by the preset server;
and executing flow statistics zero clearing operation according to the flow statistics zero clearing command.
Preferably, the predetermined duration flow threshold comprises: a daily flow threshold and/or a monthly flow threshold.
Preferably, the acquisition terminal is connected with the remote communication terminal in an embedded pluggable manner.
Another objective of the present invention is to provide a flow monitoring device applied to an electric power collection system, which can directly monitor the flow of the electric power collection system, so as to improve the management efficiency of the electric power collection system. In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a flow monitoring device applied to an electric power acquisition system comprises an acquisition terminal, a remote communication terminal and a monitoring master station, wherein the acquisition terminal is connected with the monitoring master station through the remote communication terminal; the device comprises:
the data receiving and sending unit is used for receiving a preset time length flow threshold value issued by a preset server;
the storage unit is used for storing the preset time length flow threshold value;
the traffic statistic unit is used for carrying out real-time statistics on the data traffic value within the preset time at the data port of the remote communication terminal to obtain a traffic statistic value within the preset time;
the comparison and judgment unit is used for comparing the preset duration flow statistic with the preset duration flow threshold to obtain a comparison result;
the data receiving and sending unit is further configured to upload the predetermined duration flow statistic to the preset server when the comparison result is that the predetermined duration flow statistic is greater than the predetermined duration flow threshold.
The invention also provides a computer storage medium, on which a computer program is stored, which, when executed by a processor, implements any one of the above-mentioned flow monitoring methods applied to a power collection system.
According to the flow monitoring method and device applied to the electric power acquisition system, the data flow statistics of the data port of the remote communication terminal in the electric power acquisition system is directly carried out in real time, and when the preset time length flow statistics is larger than the preset time length flow threshold value, the preset time length flow statistics is uploaded to the preset server, so that the preset time length flow statistics can be directly read through the preset server, namely, the flow monitoring result of the electric power acquisition system is read, the direct monitoring of the flow of the electric power acquisition system is realized, and the system flow does not need to be inquired through a network operator like the prior art. Therefore, the technical scheme provided by the invention can be used for directly monitoring the flow of the power acquisition system, so that the management efficiency of the power acquisition system is improved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a first flowchart of a method according to an embodiment of the present invention;
FIG. 2 is a flowchart of a second method of an embodiment of the present invention;
fig. 3 is a schematic system structure diagram of a conventional power acquisition system;
FIG. 4 is a schematic diagram of a system architecture of a power acquisition system after implementing the method of an embodiment of the invention;
fig. 5 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 3, the conventional power collection system includes: the system comprises an acquisition terminal, a remote communication terminal and a monitoring master station, wherein the acquisition terminal is connected with the monitoring master station through the remote communication terminal. Wherein, collection terminal is used for gathering user's power consumption information, and this power consumption information is ammeter data usually, and collection terminal can hang and connect hundreds or more smart electric meters and gather a plurality of users' power consumption information. The collection terminal sends the collected power utilization information to the remote communication terminal, and the power utilization information is sent to the monitoring master station through the remote communication terminal. After receiving the power consumption information sent by the remote communication terminal, the monitoring master station calculates and counts the power consumption information, calculates the power consumption condition (for example, calculates information such as power charge) of each user, and sends a corresponding control instruction to the acquisition terminal and further to the intelligent electric meter connected with the acquisition terminal through the remote communication terminal according to the power consumption condition. For example, when a certain user is in an arrearage state, the monitoring master station issues a power-off instruction.
In practical applications, the collection terminal is usually a concentrator, and the remote communication terminal usually includes a SIM card or an eSIM card for network authentication when performing network connection. The network connection process of the power acquisition system comprises the following steps: the acquisition terminal sends an AT instruction for network connection to the remote communication terminal, and the remote communication terminal performs cellular network (namely mobile network) connection through the SIM/eSIM card after receiving the AT instruction, so as to establish a wireless data transmission channel between the remote communication terminal and the monitoring master station. The AT command is a dedicated communication protocol command.
Based on the system architecture of the power acquisition system, in order to avoid querying the data traffic of the power acquisition system through a network operator, an embodiment of the present invention provides a traffic monitoring method applied to the power acquisition system, as shown in fig. 1, the method includes the following steps:
step S101, receiving and storing a preset time length flow threshold value issued by a preset server;
in this embodiment, the preset server is also referred to as a security server or a traffic monitoring server, and is configured to receive and record a traffic monitoring result, and perform corresponding analysis processing on the traffic monitoring result. A new safety server is specially arranged, so that the monitoring master station can be prevented from being paralyzed when being attacked by an external network. The security server is also capable of logging network attack events. In addition, other business functions can be expanded to the preset server based on the framework of the invention according to actual use requirements.
The preset time length flow threshold in this embodiment includes: a daily flow threshold and/or a monthly flow threshold. Of course, the flow threshold value of other time periods can be set according to actual needs, for example, the flow threshold value of every 2 hours or every 4 hours. The preset time length flow threshold value is issued by a preset server, comparison judgment is firstly carried out after the preset time length flow threshold value issued by the preset server is received, when the preset time length flow threshold value issued this time is detected to be the same as the preset time length flow threshold value issued last time, no processing is carried out, and the program is directly returned; and when detecting that the preset time length flow threshold value issued this time is different from the preset time length flow threshold value issued last time, covering the preset time length flow threshold value issued last time by adopting the preset time length flow threshold value issued this time, and then returning.
Step S102, counting data flow values in a preset time length at a data port of the remote communication terminal in real time to obtain a flow counting value in the preset time length;
in this embodiment, the traffic statistics is directly performed on the data port of the remote communication terminal within a predetermined time period, for example, the uplink data amount and the downlink data amount at the data port of the remote communication terminal are counted each day, the sum of the uplink data amount and the downlink data amount is calculated, and the sum of the uplink data amount and the downlink data amount is used as the traffic statistics value of one day.
Step S103, comparing the preset duration flow statistic with the preset duration flow threshold, if the comparison result is that the preset duration flow statistic is greater than the preset duration flow threshold, executing step S104, otherwise, returning to step S102;
and step S104, uploading the flow statistic value of the preset time length to the preset server.
After obtaining the predetermined duration flow statistic in step S102, comparing the predetermined duration flow statistic with a predetermined duration flow threshold value issued by a preset server, and uploading the predetermined duration flow statistic to the preset server when the predetermined duration flow statistic is greater than the predetermined duration flow threshold value; and when the flow statistic value of the preset time does not exceed the flow threshold value of the preset time, not processing the flow, and continuously counting the flow of the next preset time.
In order to uniformly manage system traffic on the monitoring master station, as shown in fig. 2, the traffic monitoring method provided in the embodiment of the present invention further includes:
and step S105, the monitoring master station accesses the preset server to read the flow statistic value of the preset time.
In this embodiment, the monitoring master station is connected with the preset server through a wireless network, and the monitoring master station directly accesses the preset server to read the flow statistic value of the preset time, that is, the flow monitoring result of the power acquisition system is read, so as to monitor the flow of the power acquisition system, and the system flow does not need to be inquired by a network operator, so that the management efficiency of the power acquisition system is improved.
In order to perform more reliable data transmission, before receiving and storing the traffic threshold of the predetermined duration issued by the preset server, the method provided in this embodiment further includes: and establishing a Socket connection based on a TCP/IP protocol with the preset server. Socket is an intermediate software abstraction layer for the network application layer to communicate with the TCP/IP suite of protocols, which is a set of interfaces. In a design mode, Socket is actually a facade mode, a complex TCP/IP protocol family is hidden behind a Socket interface, for a user, a group of simple interfaces are all, and the Socket organizes data to accord with a specified protocol.
In order to not change the overall architecture of the existing power acquisition system and save the traffic monitoring cost to the maximum extent, the present embodiment directly improves the functions of the remote communication terminal in the power acquisition system, so that the remote communication terminal has the traffic monitoring and data processing capabilities, thereby implementing the method described in the above steps S101 to S104.
Specifically, as shown in fig. 4, the remote communication terminal includes: the system comprises a data transceiver module, a traffic statistic module and a SIM card (or an eSIM card). The remote communication terminal is provided with a card seat for placing the SIM card, and the remote communication terminal can communicate with the monitoring main station after the SIM card is placed in the remote communication terminal. The existing SIM card is mainly used for network authentication at present, and in order to achieve the purpose of the invention, the invention carries out secondary function development on the existing SIM card. Specifically, a file is newly built in the SIM card to store the flow threshold value for a preset time, and meanwhile, the SIM card has a simple flow data processing function. A plurality of files can be created in the SIM card, for example, file 1 can be selected to store the enabling conditions of the traffic monitoring function, and the addresses of a plurality of preset servers (i.e. security servers) that are allowed to be connected; file 2 is selected to store the flow threshold for the predetermined duration and to record the flow over-standard condition. In addition, in order to ensure the security of data, these files cannot be read and written through an external interface of the Remote communication terminal, and only RFM (Remote File Manager) operations can be performed by a trusted provisioning server, that is, operations such as updating the enabling condition of traffic monitoring, adding or deleting a trusted provisioning server address, and updating a traffic record are performed by the provisioning server.
When the remote communication terminal includes the above functional modules, the step S101 "receiving and storing the predetermined duration flow threshold value issued by the preset server" is implemented by the following method: the data receiving and sending module receives a preset time length flow threshold value issued by a preset server; and the data transceiver module sends the preset time length flow threshold value to the SIM card for storage.
When the remote communication terminal comprises the above functional modules, step S102 "count the data flow value at the data port of the remote communication terminal in real time within a predetermined time period to obtain a flow statistic value for the predetermined time period", which is implemented by the following method: and carrying out flow statistics on the data passing through the remote communication terminal in a preset time period by a flow statistics module to obtain a flow statistics value in the preset time period. It should be noted that, after the acquisition terminal is started, the traffic statistics module starts to perform traffic statistics. The flow counting module can send the flow counting value in the preset time length to the SIM card after the counting in the preset time length is completed; the flow rate statistics module may also send flow rate data to the SIM card according to a certain frequency, and the SIM card performs flow rate accumulation calculation within the predetermined time period to obtain the flow rate statistics value for the predetermined time period.
When the remote communication terminal comprises the above functional modules, step S103 and step S104 "compare the predetermined duration flow statistic with the predetermined duration flow threshold, and if the comparison result is that the predetermined duration flow statistic is greater than the predetermined duration flow threshold, upload the predetermined duration flow statistic to the preset server", which is implemented by the following method: the SIM card receives a flow statistic value of a preset time length sent by a flow statistic module; the SIM card compares the preset duration flow statistic with a preset duration flow threshold, and when the preset duration flow statistic is greater than the preset duration flow threshold, the SIM card sends feedback information that the flow exceeds the standard to a flow statistic module; and after receiving the feedback information that the flow exceeds the standard, the flow counting module sends the flow counting value with the preset duration to a preset server through a data receiving and sending module.
When the remote communication terminal comprises the functional modules, the step of establishing a Socket connection based on a TCP/IP protocol with the preset server is realized by the following method: and the data receiving and sending module establishes Socket connection based on a TCP/IP protocol with a preset server. After the data transceiver module is connected with the preset server, a new data transmission channel is opened between the remote communication terminal and the preset server, and the new data transmission channel is not influenced by the data transmission channel between the original remote communication terminal and the monitoring master station, so that the data acquisition and transmission of the original power acquisition system are not influenced.
Specifically, the establishing of the Socket connection based on the TCP/IP protocol between the data transceiver module and the preset server includes: the method comprises the steps that an acquisition terminal sends a preset wireless connection AT instruction to a data receiving and sending module of a remote communication terminal; and the data transceiving module of the remote communication terminal establishes Socket connection based on a TCP/IP protocol with a preset server according to the received preset wireless connection AT instruction.
In this embodiment, when the flow statistics of one preset time duration is completed, the flow statistics of the next preset time duration is continued, at this time, the flow statistics of this time may be re-counted after being cleared, or the flow may be continued to be accumulated on the basis of the flow statistics of this time, and the flow statistics of this time may be subtracted from the final total flow value after accumulation, so as to obtain the flow statistics of the next time. When the flow statistic value needs to be cleared and then counted again, the method of this embodiment further includes: and receiving a flow statistics zero clearing command issued by a preset server, and executing flow statistics zero clearing operation according to the flow statistics zero clearing command. That is, in this embodiment, the preset server issues the flow clearing command to further ensure the safety and reliability of data modification.
In this embodiment, the acquisition terminal and the remote communication terminal are connected in an embedded pluggable manner. Specifically, the acquisition terminal is provided with a groove for embedding the remote communication terminal, and when the remote communication terminal is embedded into the groove, the acquisition terminal is electrically connected with the remote communication terminal; when the remote communication terminal is pulled out of the groove, the acquisition terminal is disconnected from the remote communication terminal.
Correspondingly to the above embodiment, the present invention further provides a flow monitoring device applied to an electric power collection system, wherein the electric power collection system includes: the system comprises an acquisition terminal, a remote communication terminal and a monitoring master station, wherein the acquisition terminal is connected with the monitoring master station through the remote communication terminal.
As shown in fig. 5, the apparatus provided in this embodiment includes:
a data transceiving unit 201, configured to receive a traffic threshold of a predetermined duration issued by a preset server;
the storage unit 202 is configured to store the flow threshold value of the predetermined duration;
the flow statistics unit 203 is configured to count a data flow value at a data port of the remote communication terminal in real time within a predetermined time to obtain a flow statistics value for the predetermined time;
a comparison and determination unit 204, configured to compare the predetermined duration flow statistic with the predetermined duration flow threshold to obtain a comparison result;
the data transceiver unit 201 is further configured to upload the predetermined duration traffic statistic to the preset server if the comparison result indicates that the predetermined duration traffic statistic is greater than the predetermined duration traffic threshold.
The details of the working principle, the working flow, and the like of the device related to the specific embodiments can be referred to the specific embodiments of the flow monitoring method applied to the power acquisition system provided by the present invention, and the details of the same technical contents are not described herein again.
The present invention also provides a computer storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the method for monitoring a flow rate applied to a power collection system according to the embodiment is implemented.
The invention also provides a terminal device, which comprises a processor, wherein the processor is used for executing the flow monitoring method applied to the power acquisition system.
According to the flow monitoring method and device applied to the electric power acquisition system, the data flow statistics of the data port of the remote communication terminal in the electric power acquisition system is directly carried out in real time, and when the preset time length flow statistics is larger than the preset time length flow threshold value, the preset time length flow statistics is uploaded to the preset server, so that the preset time length flow statistics can be directly read through the preset server, namely, the flow monitoring result of the electric power acquisition system is read, the direct monitoring of the flow of the electric power acquisition system is realized, and the system flow does not need to be inquired through a network operator like the prior art. In addition, the invention directly improves the functions of the existing remote communication terminal to enable the remote communication terminal to have the flow counting function, and simultaneously improves the functions of the SIM card of the remote communication terminal to enable the remote communication terminal to have the flow data judging function, so that the invention can directly and effectively monitor the flow of the electric power acquisition system under the conditions of not changing the architecture of the existing electric power acquisition system and not increasing the hardware cost of the system, thereby improving the management efficiency of the electric power acquisition system and meeting the business expansion requirement.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.
Those skilled in the art will understand that all or part of the steps in the method according to the above embodiments may be implemented by a program, which is stored in a storage medium and includes several instructions to enable a single chip, a chip, or a processor (processor) to execute all or part of the steps in the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In addition, any combination of different implementation manners of the embodiments of the present invention can be performed, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the idea of the embodiments of the present invention.
Claims (9)
1. A flow monitoring method applied to a power acquisition system, wherein the power acquisition system comprises an acquisition terminal, a remote communication terminal and a monitoring master station, and the method is executed at the remote communication terminal, and is characterized by comprising the following steps:
1) receiving and storing a preset time length flow threshold value issued by a preset server;
2) counting data flow values in a preset time length at a data port of the remote communication terminal in real time to obtain a flow counting value in the preset time length;
3) comparing the preset duration flow statistic with the preset duration flow threshold, if the comparison result is that the preset duration flow statistic is greater than the preset duration flow threshold, executing the step 4), otherwise, returning to the step 2);
4) and uploading the flow statistic value of the preset time length to the preset server.
2. The flow monitoring method applied to the power acquisition system according to claim 1, wherein the method further comprises:
and the monitoring master station accesses the preset server to read the flow statistic value in the preset time.
3. The flow monitoring method applied to the power acquisition system according to claim 1, wherein before the receiving and storing the flow threshold value of the preset time sent by the preset server, the method further comprises:
and establishing a Socket connection based on a TCP/IP protocol with the preset server.
4. The flow monitoring method applied to the power acquisition system according to claim 3, wherein the establishing of the Socket connection based on the TCP/IP protocol with the preset server includes:
the acquisition terminal sends a preset wireless connection AT instruction to the remote communication terminal;
and the remote communication terminal establishes Socket connection based on a TCP/IP protocol with the preset server according to the received preset wireless connection AT instruction.
5. The flow monitoring method applied to the power acquisition system according to claim 1, wherein the method further comprises:
receiving a flow statistics zero clearing command issued by the preset server;
and executing flow statistics zero clearing operation according to the flow statistics zero clearing command.
6. The flow monitoring method applied to the power acquisition system according to claim 1, wherein the predetermined duration flow threshold comprises: a daily flow threshold and/or a monthly flow threshold.
7. The flow monitoring method applied to the power acquisition system according to claim 1, wherein the acquisition terminal is connected with the remote communication terminal in an embedded pluggable manner.
8. A flow monitoring device applied to an electric power acquisition system comprises an acquisition terminal, a remote communication terminal and a monitoring master station, wherein the acquisition terminal is connected with the monitoring master station through the remote communication terminal; characterized in that the device comprises:
the data receiving and sending unit is used for receiving a preset time length flow threshold value issued by a preset server;
the storage unit is used for storing the preset time length flow threshold value;
the traffic statistic unit is used for carrying out real-time statistics on the data traffic value within the preset time at the data port of the remote communication terminal to obtain a traffic statistic value within the preset time;
the comparison and judgment unit is used for comparing the preset duration flow statistic with the preset duration flow threshold to obtain a comparison result;
the data receiving and sending unit is further configured to upload the predetermined duration flow statistic to the preset server when the comparison result is that the predetermined duration flow statistic is greater than the predetermined duration flow threshold.
9. A computer storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the flow monitoring method applied to an electric power collection system of any one of claims 1 to 7.
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| CN114158029A (en) * | 2021-12-03 | 2022-03-08 | 国网上海市电力公司 | Power acquisition terminal network flow monitoring method based on big data analysis |
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