CN118317011A - Distribution network message analysis system and distribution network automation management platform - Google Patents
Distribution network message analysis system and distribution network automation management platform Download PDFInfo
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Abstract
The application provides a distribution network message analysis system and a distribution network automation management platform, wherein the distribution network message analysis system comprises: the power distribution automatic terminal is used for collecting the operation fault information of the power distribution equipment and controlling the operation fault information of the power distribution equipment; the encryption terminal is terminal equipment with an encryption function; the power distribution network message analysis recording instrument comprises a message protocol analysis recording instrument and intelligent handheld equipment, wherein the message protocol analysis recording instrument is used for monitoring, analyzing and recording communication messages, and the intelligent handheld equipment is used for checking the communication messages. The analysis result of the message protocol analysis recorder helps technicians find fault reasons, and compared with independent analysis of professional technicians, the method greatly improves the fault analysis efficiency, thereby solving the problem of low response efficiency of fault analysis caused by independent analysis of the professional technicians in the prior art.
Description
Technical Field
The invention relates to the technical field of power distribution networks, in particular to a power distribution network message analysis system and a power distribution network automation management platform.
Background
In order to improve the availability and abnormal response capability of the power distribution network system so as to realize the rapid isolation of a fault area and the rapid recovery of a non-fault area, the power distribution network dispatching system needs to accurately, reliably and rapidly acquire the running state data of each electrical interval, so that besides the stability and the reliability of secondary equipment, a great part of the power distribution network dispatching system also depends on the reliability and the stability of a communication network, and the following problems need to be solved in the maintenance and management process of daily power distribution equipment at present:
1) The network channel performance of the information interaction between the master station and the measurement and control terminal and the information interaction between the messages can not be checked and confirmed in real time on site;
2) The technical skill required by problem analysis according to the original message is high, so that the response efficiency of fault analysis is reduced;
3) The unstable website is continuously tracked through the capability of the main station platform for recording messages, so that interference is added to the daily work of the main station, and the problem is not beneficial to the investigation and the solution.
Under the prior art, the method is that a field worker uses a handheld computer to access a computer port to data (i.e. messages) from a power distribution automation terminal to an encryption module part by using a network cable, and the field worker uses professional knowledge to analyze after reading the messages by using the computer to obtain a conclusion of related problems of communication. The prior art mainly relies on independent analysis by professional technicians, and the following problems exist in the mode: (1) The field situation is complex, the network cable length is limited, and the computer access operation is difficult sometimes and does not accord with the field safety regulation; (2) The staff is required to have a stronger communication technology, can independently analyze related messages, and is difficult for operation and maintenance staff; (3) The method is difficult to monitor and memorize the message, and has difficulty in daily operation and maintenance and historical message inquiry.
Disclosure of Invention
The application aims to provide a power distribution network message analysis system and a power distribution network automation management platform, which at least solve the problem that in the prior art, response efficiency of fault analysis is low due to independent analysis by professional technicians.
To achieve the above object, according to one aspect of the present application, there is provided a power distribution network message analysis system, including: the power distribution automatic terminal is used for collecting operation fault information of the power distribution equipment and controlling the operation fault information of the power distribution equipment, and is in communication connection with the encryption terminal; the encryption terminal is terminal equipment with an encryption function and is used for encrypting and decrypting data; the distribution network message analysis recording instrument comprises a message protocol analysis recording instrument and intelligent handheld equipment, wherein the message protocol analysis recording instrument is used for monitoring, analyzing and recording communication messages, the intelligent handheld equipment is used for checking the communication messages, the communication messages are data transmitted from the distribution automation terminal to the encryption terminal, and the message protocol analysis recording instrument is in communication connection with the intelligent handheld equipment.
Optionally, the distribution network message analysis system further includes: the distribution automation master station is a monitoring, control and management center of the distribution network and used for ensuring coordinated operation of the whole power system, and the distribution automation master station is in communication connection with the encryption terminal so as to realize data interaction with the distribution automation terminal.
Optionally, the message protocol analysis recorder includes: the input interface unit is a level shifter with a high-resistance interface, and the high-resistance interface is used for receiving the communication message and transmitting the communication message to the switcher; the switch is used for controlling the input and output of data, controlling the communication message to directly enter the serial-parallel converter, and being respectively in communication connection with the input interface unit and the serial-parallel converter; and the serial-parallel converter is used for converting the communication message from serial to parallel and simultaneously carrying out Hamming code verification to obtain communication data.
Optionally, the message protocol analysis recorder further includes: the capture memory is used for receiving and recording the communication data, recording the data characteristics of the abnormal data and the data before and after the abnormal data under the condition of receiving the abnormal data, and is in communication connection with the serial-parallel converter; the trigger is used for carrying out data analysis and signal separation on the communication data according to trigger factors to realize state control and switching of a circuit, the trigger factors at least comprise a set bit sequence, error count and external input, and the trigger is in communication connection with the serial-parallel converter; and the transceiver analyzer is used for analyzing and checking the communication data to track the communication data and judging whether transmission faults occur or not, and is in communication connection with the serial-parallel converter.
Optionally, the message protocol analysis recorder further includes: the display is used for displaying data processing results of the capture memory, the transceiver analyzer and the trigger, and is respectively in communication connection with the capture memory, the transceiver analyzer and the trigger.
Optionally, the message protocol analysis recorder further includes: the simulator is used for executing a simulation function, wherein the simulation function is a function for simulating the transmission of the communication message, and the simulator is in communication connection with the switcher; the main controller is used for controlling the actions of all the components of the message protocol analysis recorder and carrying out real-time adjustment and coordination, and is in communication connection with the simulator and the switcher; and the mass storage is used for storing programs of simulation processes of the simulator and data recorded by the capture memory, and is in communication connection with the main controller.
Optionally, the message protocol analysis recorder further includes: and the external input device realizes interaction between a user and the message protocol analysis recorder, inputs external information to the message protocol analysis recorder, and is in communication connection with the main controller.
Optionally, the smart handheld device includes: and the man-machine interaction software is used for displaying the analysis result of the communication message.
Optionally, the power distribution automation terminal includes: a data circuit terminating device for forming a user network interface of a network terminal with connection of the rest of the communication network, for inputting the communication message transmitted via the data circuit terminating device into the input interface unit; and the data terminal equipment is equipment positioned at the user end of the user network interface and is used for inputting the communication message transmitted by the data terminal equipment into the input interface unit.
According to still another aspect of the present application, there is provided an automated distribution network management platform, where the automated distribution network management platform includes any one of the distribution network message analysis systems.
By applying the technical scheme of the application, in the distribution network message analysis system, the distribution network message analysis system comprises a distribution automation terminal, an encryption terminal and a distribution network message analysis recording instrument, wherein the distribution network message analysis instrument comprises two parts: the system comprises a message protocol analysis recorder and intelligent handheld equipment, wherein the message protocol analysis recorder plays roles in monitoring, analyzing and recording messages; the intelligent handheld terminal plays a role in checking messages, and the intelligent handheld terminal are in communication connection. The analysis result of the message protocol analysis recorder helps technicians find fault reasons, and compared with independent analysis of professional technicians, the method greatly improves the fault analysis efficiency, thereby solving the problem of low response efficiency of fault analysis caused by independent analysis of the professional technicians in the prior art.
Drawings
Fig. 1 shows a schematic structural diagram of a power distribution network packet analysis system according to an embodiment of the present application;
FIG. 2 is a block diagram of a message protocol analysis recorder according to an embodiment of the present application;
fig. 3 shows an analysis flowchart of a power distribution network message analysis system according to an embodiment of the present application.
Wherein the above figures include the following reference numerals:
1. A power distribution automation terminal; 2. an encryption terminal; 3. a power distribution automation master station; 4. a protocol analysis recorder; 5. an intelligent handheld device; 6. a data circuit terminating device; 7. a data terminal device; 8. an input interface unit; 9. a switcher; 10. a serial-to-parallel converter; 11. a simulator; 12. a display; 13. a capture memory; 14. a transceiver analyzer; 15. a trigger; 16. a main controller; 17. an external input device; 18. a mass memory.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As described in the background art, in the prior art, a field worker uses a handheld computer to access a computer port to data (i.e., a message) from a distribution automation terminal to an encryption module part by using a network cable, and after the field worker reads the message by using a computer, the field worker analyzes by using expert knowledge to obtain a conclusion of related problems of communication, so as to solve the problem of low response efficiency of fault analysis caused by independent analysis by the expert technician.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In this embodiment, a system for analyzing a message of a power distribution network is provided, as shown in fig. 1, where the system for analyzing a message of a power distribution network includes:
and the distribution automation terminal 1 is used for collecting the operation fault information of the distribution equipment and controlling the distribution equipment, and the distribution automation terminal 1 is in communication connection with the encryption terminal 2.
The distribution automation terminal is arranged at a switch station, a distribution room, a ring main unit, a box-type transformer substation and a pole-mounted switch and is used for collecting operation fault information of distribution equipment and controlling the terminal equipment. The distribution room distribution automation terminal (DTU), the overhead line feeder automation terminal (FTU), the cable type fault indicator and the overhead type fault indicator can be divided according to application occasions.
And an encryption terminal 2, wherein the encryption terminal 2 is a terminal device with an encryption function and is used for encrypting and decrypting data.
Specifically, the above-described encryption terminal is an apparatus for encrypting and decrypting data. The encryption terminal may be used to protect sensitive information from unauthorized access and theft. Encryption terminals typically use various encryption algorithms and security protocols to ensure data security, while also requiring strict authentication and access control.
The distribution network message analysis recording instrument comprises a message protocol analysis recording instrument 4 and an intelligent handheld device 5, wherein the message protocol analysis recording instrument 4 is used for monitoring, analyzing and recording communication messages, the intelligent handheld device 5 is used for looking up the communication messages, the communication messages are data transmitted from the distribution automation terminal 1 to the encryption terminal 2, and the message protocol analysis recording instrument 4 is in communication connection with the intelligent handheld device 5.
Specifically, the message protocol analysis recorder is used for monitoring and recording communication messages in the power distribution network, and can capture, analyze and record message data in real time, wherein the message data comprises information such as source addresses, target addresses, message types, data contents and the like of the messages. The message protocol analysis recorder can monitor the message communication condition in real time through a communication interface or a network interface connected to the power distribution network, and store data in a local or remote server. The intelligent handheld device is a portable device for carrying and operating the message protocol analysis recorder, including but not limited to a mobile phone, a tablet and a computer, and can communicate with the recorder through wireless connection or data line connection, and perform operations of checking message data in real time, setting parameters of the recorder, deriving recorded data and the like. The intelligent handheld device is provided with an intuitive user interface and data analysis software, so that a user can monitor and analyze the message data of the power distribution network in real time. The message protocol analysis recorder is connected with the intelligent handheld device through Bluetooth, and the intelligent handheld device is reserved with a Bluetooth interface and performs data interaction with matched man-machine interaction software installed on the intelligent tablet. The Bluetooth BLE scheme chip is selected, and has the advantages of low cost, high short-distance transmission data stability, small size, low power consumption, strong anti-interference performance, stable link, convenient use, no need of a base station, high confidentiality and the like. In addition, the intelligent handheld device further comprises a serial interface, an Ethernet interface, a USB interface, a power interface and a maintenance interface, wherein the serial interface is used for completing online monitoring in a communication process and does not influence normal operation of a system; the Ethernet interface is used as a reserved interface to reserve resources for function expansion; the USB interface can be inserted into a USB flash disk to finish the export service of data; the power interface is used for providing a working power supply and charging a backup power supply; the maintenance interface is used for completing the maintenance configuration management function of the protocol analysis recorder.
The message analysis system of the power distribution network comprises two parts: the system comprises a message protocol analysis recorder and intelligent handheld equipment, wherein the message protocol analysis recorder plays roles in monitoring, analyzing and recording messages; the intelligent handheld terminal plays a role in checking messages, and the intelligent handheld terminal are in communication connection. The analysis result of the message protocol analysis recorder helps technicians find fault reasons, and compared with independent analysis of professional technicians, the method greatly improves the fault analysis efficiency, thereby solving the problem of low response efficiency of fault analysis caused by independent analysis of the professional technicians in the prior art.
In order to improve the safety and stability of the power distribution system, in an alternative embodiment, as shown in fig. 1, the power distribution network packet analysis system further includes:
And the distribution automation master station 3 is a monitoring, controlling and managing center of the distribution network, and is used for ensuring the coordinated operation of the whole power system, and the distribution automation master station 3 is in communication connection with the encryption terminal 2 so as to realize the data interaction with the distribution automation terminal 1.
In the above embodiment, the distribution automation master station refers to a monitoring, controlling and managing center of the whole distribution network, mainly completes collection, processing and storage of distribution network information, performs comprehensive analysis, calculation and decision, performs information sharing and real-time interaction with a distribution network GIS, distribution network production information, scheduling automation, metering automation and other systems, and can be divided into a simple distribution automation master station and an integrated distribution automation master station according to the deployment of functional modules. The power distribution automation master station can improve the safety, stability and reliability of a power distribution system, reduce the influence of human factors on the system, and improve the operation efficiency and the energy utilization rate of the power distribution system.
In order to achieve data transmission and communication between different devices, in an alternative embodiment, as shown in fig. 2, the foregoing message protocol analysis recorder 4 includes:
An input interface unit 8, wherein the input interface unit 8 is a level shifter having a high-resistance interface, and the high-resistance interface is used for receiving the communication message and transmitting the communication message to the switcher 9;
a switch 9, wherein the switch 9 is used for controlling the input and output of data, controlling the communication message to directly enter the serial-parallel converter 10, and the switch 9 is respectively connected with the input interface unit 8 and the serial-parallel converter 10 in a communication way;
and a serial-to-parallel converter 10, wherein the serial-to-parallel converter 10 is configured to convert the communication message from serial to parallel and perform hamming code verification to obtain communication data.
In the above embodiment, the interface unit is a device for connecting to an input/output device in a computer system, and may convert signals of the computer system into a specific interface standard for data exchange with an external device. The switch is a device for switching different input sources or output sources, and can switch a plurality of input signals to one output terminal or switch one input signal to a plurality of output terminals, so as to realize connection and data transmission between different devices. The serial-parallel converter is a device for converting serial data into parallel data or converting parallel data into serial data, and can realize data format conversion and transmission between different devices.
In order to monitor and analyze faults and problems in the communication process for timely diagnosis and repair, in an alternative embodiment, as shown in fig. 2, the message protocol analysis recorder 4 further includes:
A capture memory 13, wherein the capture memory 13 is used for receiving and recording the communication data, and recording the data characteristics of the abnormal data and the data before and after the abnormal data when the abnormal data is received, and the capture memory 13 is in communication connection with the serial-parallel converter 10;
A trigger 15, wherein the trigger 15 is used for performing data analysis and signal separation on the communication data according to trigger factors to realize state control and switching of a circuit, the trigger factors at least comprise a set bit sequence, an error count and an external input, and the trigger 15 is in communication connection with the serial-parallel converter 10;
A transceiver analyzer 14, wherein the transceiver analyzer 14 is used for analyzing and checking the communication data to track the communication data to judge whether transmission faults occur, and the transceiver analyzer 14 is in communication connection with the serial-to-parallel converter 10.
In the above embodiment, the communication data obtained after the hamming code verification by the serial-to-parallel converter enters a capture memory, a trigger, and a transceiver analyzer. The capture memory records the communication data, and when an abnormal signal is received, the capture memory can rapidly record the characteristics of the abnormal signal and record the data before and after the abnormal signal occurs, thereby improving the efficiency of subsequent data processing and analysis. After the trigger receives the abnormal signal, the rising edge and the falling edge of the abnormal signal are detected, so that the detection and the response to the specific event are realized, and meanwhile, the state switching is triggered according to the change of the abnormal signal, so that the state control and the switching of the circuit are realized, and the poor signal is cut off. The transceiver analyzer analyzes and checks data based on a protocol (generally, 101 protocol), and judges whether a remote control error occurs by analyzing different characteristics of signals, and discovers network communication abnormality existing in message interaction, and provides reference comments for problem solving, wherein the remote control error at least comprises a master station remote control setting error, a remote control number filling error and a terminal remote on-site setting error.
In order to enhance the visualization effect, in an alternative embodiment, as shown in fig. 2, the foregoing message protocol analysis recorder further includes:
And a display 12, wherein the display 12 is used for displaying the data processing results of the capturing memory 13, the transceiver analyzer 14 and the trigger 15, and the display 12 is respectively connected with the capturing memory 13, the transceiver analyzer 14 and the trigger 15 in a communication way.
In the above embodiment, the display is configured to visually display the data processing results of the capture memory, the transceiver analyzer and the trigger to the man-machine interaction software of the smart handheld device.
In order to ensure consistency and effectiveness of operation and operation between devices, in an alternative embodiment, as shown in fig. 2, the foregoing message protocol analysis recorder 4 further includes:
A simulator 11, wherein the simulator 11 is configured to perform a simulation function, the simulation function being a function of simulating transmission of the communication message, and the simulator 11 is connected to the switch 9 in a communication manner;
The main controller 16, the above-mentioned main controller 16 is used for controlling the movements of every component part of the above-mentioned message protocol analysis recorder 4 and carrying on real-time regulation and coordination, the above-mentioned main controller 16 is connected with above-mentioned simulator 11 and above-mentioned switcher 9 communication;
And a mass memory 18, wherein the mass memory 18 is used for storing a program of the simulation process of the simulator 11 and data recorded by the capture memory 13, and the mass memory 18 is connected with the main controller 16 in a communication manner.
In the above embodiments, the simulator is a device that can simulate the behavior of other systems, platforms, or devices, enabling users to run and test software or programs in a simulated environment. The main controller is a central processing unit for controlling the whole message protocol analysis recorder and is responsible for coordinating and managing the work of each component. The mass memory is used for storing a large amount of data and programs, can provide rapid data reading and writing and access speed, can continuously record messages for at least 7 days and continuously track, and provides continuous analysis capability for unstable monitoring points.
In order to enhance the interactivity with the user, in an alternative embodiment, as shown in fig. 2, the above-mentioned message protocol analysis recorder 4 further includes:
An external input device 17, wherein the external input device 17 realizes the interaction between a user and the message protocol analysis recorder 4, and inputs external information into the message protocol analysis recorder 4, and the external input device 17 is in communication connection with the main controller 16;
in the above embodiment, the external input device refers to a device that can input data or instructions into a computer system, such as a keyboard, a mouse, a touch screen, etc., and transmit data input by a user or an external device to the computer system for processing and operation by the computer system.
In order to facilitate looking up the analysis result of the message, in an alternative embodiment, as shown in fig. 2, the smart handheld device 5 includes:
And the man-machine interaction software is used for displaying the analysis result of the communication message.
In the above embodiment, the smart handheld terminal device includes, but is not limited to, a mobile phone, a tablet, a PDA, etc., as long as man-machine interaction software is installed on the smart handheld terminal. The man-machine interaction software can realize man-machine interaction display of multiple functions and has the advantages of small running memory requirement and high running speed. And a user-friendly interface is provided, and the message analysis result is displayed to a user, so that simplicity and clarity are realized.
In order to ensure that the data is transmitted and correctly received, in an alternative embodiment, as shown in fig. 2, the above-mentioned distribution automation terminal 1 comprises:
A data circuit terminating device 6, wherein the data circuit terminating device 6 is used for connecting with other communication networks to form a user network interface of a network terminal, and is used for inputting the communication message transmitted by the data circuit terminating device 6 into the input interface unit 8;
and a data terminal device 7, wherein the data terminal device 7 is a device located at a user end of the user network interface, and is configured to input the communication packet transmitted via the data terminal device 7 into the input interface unit 8.
In the above embodiment, the data circuit terminating device is a device for connecting a data communication line, and is responsible for transmitting data to the communication line, and modulating and demodulating the transmitted data. The data circuit terminating devices described above typically include modems, switches, routers, etc. that function to connect and control the data communication lines. The data terminal device refers to a device for processing and generating data, and may be a computer, a terminal, a printer, or the like. The data terminal device is responsible for generating data and transmitting the data to the data circuit terminal device, and also responsible for receiving and processing the data transmitted from the data circuit terminal device. The data circuit terminating device and the data terminal device function as connection and control communication lines, and as generation and processing of data, respectively, in data communication. The data circuit terminating device and the data terminal device cooperate to enable data to be transmitted and processed over the communication line. Communication data between the data circuit terminating device and the data terminal device enters the protocol analyzer through the input interface unit.
It should be noted that, as shown in fig. 3, the analysis steps of the above-mentioned power distribution network message analysis system include: a transmitting step, wherein the distribution automation master station transmits a remote control preset message to the distribution network automation terminal, wherein the remote control preset message is a preset instruction for remotely controlling equipment or a system to realize specific operation or function, and at least comprises an instruction type, a target equipment identifier and an operation parameter; a first judging step of judging whether the distribution network automation terminal returns the remote control preset message to the distribution automation master station, wherein the distribution automation master station issues a remote control execution message to the distribution network automation terminal under the condition that the distribution network automation terminal returns the remote control preset message to the distribution automation master station, and the remote control execution message is a communication message for sending a control command so as to realize remote control operation on remote equipment, and at least comprises an executed instruction, an address of target equipment and operation to be executed; a second judging step of judging whether the distribution network automation terminal returns the remote control execution message to the distribution automation master station, and controlling the remote control to end and execute remote control deflection, wherein the remote control deflection refers to controlling the position, state or function change of a certain device or system through a remote controller or other remote control equipment when the distribution network automation terminal returns the remote control execution message to the distribution automation master station; and (3) under the condition that the distribution network automation terminal does not return the remote control preset message or the distribution network automation terminal does not return the remote control execution message, repeating the issuing step, the first judging step and the second judging step until the remote control deflection is completed, in other words, stopping remote control and returning to the issuing step when a message transmission link has a problem, and when the problem occurs, checking the distribution network automation terminal on site, judging the cause of the problem by analyzing the message, for example, that the remote control of a main station is provided with a mistake, the remote control number is filled in a mistake, the remote on-site handle of the terminal is provided with a mistake, the terminal network is interrupted, the terminal body is in fault and the like, and carrying out rectification according to the specific problem.
In this embodiment, an automatic management platform for a power distribution network is provided, where the automatic management platform for a power distribution network includes the power distribution network message analysis system.
In the above-mentioned distribution network automation management platform, in the distribution network message analysis system, include two parts: the system comprises a message protocol analysis recorder and intelligent handheld equipment, wherein the message protocol analysis recorder plays roles in monitoring, analyzing and recording messages; the intelligent handheld terminal plays a role in checking messages, and the intelligent handheld terminal are in communication connection. The analysis result of the message protocol analysis recorder helps technicians find fault reasons, and compared with independent analysis of professional technicians, the method greatly improves the fault analysis efficiency, thereby solving the problem of low response efficiency of fault analysis caused by independent analysis of the professional technicians in the prior art.
From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:
1) The distribution network message analysis system comprises a distribution automation terminal, an encryption terminal and a distribution network message analysis recording instrument, wherein the distribution network message analysis instrument comprises two parts: the system comprises a message protocol analysis recorder and intelligent handheld equipment, wherein the message protocol analysis recorder plays roles in monitoring, analyzing and recording messages; the intelligent handheld terminal plays a role in checking messages, and the intelligent handheld terminal are in communication connection. The analysis result of the message protocol analysis recorder helps technicians find fault reasons, and compared with independent analysis of professional technicians, the method greatly improves the fault analysis efficiency, thereby solving the problem of low response efficiency of fault analysis caused by independent analysis of the professional technicians in the prior art.
2) The distribution network automation management platform comprises a distribution network message analysis system, wherein the distribution network message analysis system comprises a distribution automation terminal, an encryption terminal and a distribution network message analysis recording instrument, and the distribution network message analysis instrument comprises two parts: the system comprises a message protocol analysis recorder and intelligent handheld equipment, wherein the message protocol analysis recorder plays roles in monitoring, analyzing and recording messages; the intelligent handheld terminal plays a role in checking messages, and the intelligent handheld terminal are in communication connection. The analysis result of the message protocol analysis recorder helps technicians find fault reasons, and compared with independent analysis of professional technicians, the method greatly improves the fault analysis efficiency, thereby solving the problem of low response efficiency of fault analysis caused by independent analysis of the professional technicians in the prior art.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a distribution network message analysis system which characterized in that, distribution network message analysis system includes:
The power distribution automatic terminal is used for collecting operation fault information of the power distribution equipment and controlling the operation fault information of the power distribution equipment, and is in communication connection with the encryption terminal;
The encryption terminal is terminal equipment with an encryption function and is used for encrypting and decrypting data;
The distribution network message analysis recording instrument comprises a message protocol analysis recording instrument and intelligent handheld equipment, wherein the message protocol analysis recording instrument is used for monitoring, analyzing and recording communication messages, the intelligent handheld equipment is used for checking the communication messages, the communication messages are data transmitted from the distribution automation terminal to the encryption terminal, and the message protocol analysis recording instrument is in communication connection with the intelligent handheld equipment.
2. The power distribution network message analysis system of claim 1, further comprising:
The distribution automation master station is a monitoring, control and management center of the distribution network and used for ensuring coordinated operation of the whole power system, and the distribution automation master station is in communication connection with the encryption terminal so as to realize data interaction with the distribution automation terminal.
3. The system according to claim 1, wherein the message protocol analysis recorder comprises:
the input interface unit is a level shifter with a high-resistance interface, and the high-resistance interface is used for receiving the communication message and transmitting the communication message to the switcher;
The switch is used for controlling the input and output of data, controlling the communication message to directly enter the serial-parallel converter, and being respectively in communication connection with the input interface unit and the serial-parallel converter;
And the serial-parallel converter is used for converting the communication message from serial to parallel and simultaneously carrying out Hamming code verification to obtain communication data.
4. A power distribution network message analysis system as in claim 3, wherein the message protocol analysis recorder further comprises:
the capture memory is used for receiving and recording the communication data, recording the data characteristics of the abnormal data and the data before and after the abnormal data under the condition of receiving the abnormal data, and is in communication connection with the serial-parallel converter;
The trigger is used for carrying out data analysis and signal separation on the communication data according to trigger factors to realize state control and switching of a circuit, the trigger factors at least comprise a set bit sequence, error count and external input, and the trigger is in communication connection with the serial-parallel converter;
And the transceiver analyzer is used for analyzing and checking the communication data to track the communication data and judging whether transmission faults occur or not, and is in communication connection with the serial-parallel converter.
5. The system according to claim 4, wherein the message protocol analysis recorder further comprises:
the display is used for displaying data processing results of the capture memory, the transceiver analyzer and the trigger, and is respectively in communication connection with the capture memory, the transceiver analyzer and the trigger.
6. The system according to claim 4, wherein the message protocol analysis recorder further comprises:
the simulator is used for executing a simulation function, wherein the simulation function is a function for simulating the transmission of the communication message, and the simulator is in communication connection with the switcher;
the main controller is used for controlling the actions of all the components of the message protocol analysis recorder and carrying out real-time adjustment and coordination, and is in communication connection with the simulator and the switcher;
And the mass storage is used for storing programs of simulation processes of the simulator and data recorded by the capture memory, and is in communication connection with the main controller.
7. The system according to claim 6, wherein the message protocol analysis recorder further comprises:
And the external input device realizes interaction between a user and the message protocol analysis recorder, inputs external information to the message protocol analysis recorder, and is in communication connection with the main controller.
8. The power distribution network message analysis system of claim 1, wherein the intelligent handheld device comprises:
And the man-machine interaction software is used for displaying the analysis result of the communication message.
9. The power distribution network message analysis system of claim 3, wherein the power distribution automation terminal comprises:
A data circuit terminating device for forming a user network interface of a network terminal with connection of the rest of the communication network, for inputting the communication message transmitted via the data circuit terminating device into the input interface unit;
And the data terminal equipment is equipment positioned at the user end of the user network interface and is used for inputting the communication message transmitted by the data terminal equipment into the input interface unit.
10. An automated distribution network management platform, characterized in that it comprises a distribution network message analysis system according to any one of claims 1 to 9.
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