CN114944052B - Automatic test method and system for meter reading stability of electricity acquisition terminal - Google Patents
Automatic test method and system for meter reading stability of electricity acquisition terminal Download PDFInfo
- Publication number
- CN114944052B CN114944052B CN202210354991.8A CN202210354991A CN114944052B CN 114944052 B CN114944052 B CN 114944052B CN 202210354991 A CN202210354991 A CN 202210354991A CN 114944052 B CN114944052 B CN 114944052B
- Authority
- CN
- China
- Prior art keywords
- task
- test
- acquisition terminal
- electric energy
- reading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
- H04Q9/02—Automatically-operated arrangements
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C2201/00—Transmission systems of control signals via wireless link
- G08C2201/50—Receiving or transmitting feedback, e.g. replies, status updates, acknowledgements, from the controlled devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/10—Arrangements in telecontrol or telemetry systems using a centralized architecture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/60—Arrangements in telecontrol or telemetry systems for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/70—Arrangements in the main station, i.e. central controller
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Abstract
The invention belongs to the field of power equipment, and particularly relates to an automatic test method for meter reading stability of a power utilization acquisition terminal, a system for implementing the method and a terminal thereof. The automatic testing method is applied to a platform area electricity utilization information automatic acquisition system composed of a main station, an electricity utilization acquisition terminal and an electric energy meter. In the system, a master station is connected with an electricity utilization acquisition terminal through an Ethernet, and the electricity utilization acquisition terminal is connected with an electric energy meter through an RS 485. The meter reading stability test items finished by the method comprise a timed transparent meter reading test and a task meter reading test. The data transmission stability of the power utilization acquisition terminal can be calculated in the timed transparent reading test process; the task execution completion degree of the power consumption acquisition terminal can be calculated in the task meter reading test process; the evaluation value of the meter reading stability of each electricity utilization acquisition terminal can be comprehensively analyzed by combining the two. The invention solves the problems of high meter reading stability test difficulty, low efficiency and high cost of the existing power utilization acquisition terminal.
Description
Technical Field
The invention belongs to the field of power equipment, and particularly relates to an automatic test method for meter reading stability of a power utilization acquisition terminal, a system for implementing the method and a terminal thereof.
Background
The electricity utilization collection terminal is data collection equipment used for collecting electricity utilization information of a user side, one end of the electricity utilization collection terminal is connected with the intelligent electric energy meters on all electricity utilization nodes, and the other end of the electricity utilization collection terminal is connected with a data master station of a background. The electricity utilization collection terminal can realize automatic meter reading on large-scale electricity utilization nodes in the transformer area, and is core equipment for realizing automation of electric power information collection in a power grid. Therefore, the stability of the meter reading performance of the electricity utilization acquisition terminal has great influence on the work of methods such as load management, distribution transformer monitoring, power quality monitoring and the like of a power grid.
Currently, each product manufacturer has a method for evaluating and testing meter reading stability of each power consumption acquisition terminal in an automatic power consumption information acquisition system of a transformer area. The method for facilitating the test comprises an analog meter system, small master station tool software and the like. However, most meter reading stability evaluation methods rely on manual testing of products in many aspects, and the testing process is time-consuming and labor-consuming. In addition, because the test task may affect the data acquisition task being executed by the terminal, part of the test task completion process may also need to take off-line the terminal device; thus resulting in the inability to complete all testing tasks at the site of operation of the device. And finally, the test difficulty and the test cost of the meter reading stability of the power utilization acquisition terminal are greatly improved.
Disclosure of Invention
The problems that the meter reading stability of an existing electricity acquisition terminal is high in test difficulty, low in test efficiency and high in test cost are solved; the invention provides an automatic testing device and method for meter reading stability of a power consumption acquisition terminal, and a system and a terminal for implementing the method.
The invention is realized by adopting the following technical scheme:
an automatic test method for meter reading stability of a power consumption acquisition terminal is applied to a station area power consumption information automatic acquisition system consisting of a master station, the power consumption acquisition terminal and an electric energy meter. In the automatic acquisition system, the master station is connected with the electricity acquisition terminal through the Ethernet, and the electricity acquisition terminal is connected with the RS485 terminal of the electric energy meter through the RS 485.
The meter reading stability test items completed by the method comprise a timing transparent reading test item and a task meter reading test item.
Specifically, the test process of the timed double-copy test item is as follows:
(1) The master station randomly generates a plurality of transparent reading test instructions according to a preset timing transparent reading test program; the double-reading test instruction comprises a data type mark to be double-read and double-reading time.
(2) And the master station sends the messages corresponding to all the transparent reading test instructions in the current test period to the power utilization acquisition terminal.
(3) And the electricity utilization acquisition terminal analyzes all data type marks to be thoroughly read and the thoroughly reading time according to the received message, and then issues a meter reading instruction of corresponding type data to the electric energy meter when the thoroughly reading time of each thoroughly reading test instruction is reached.
(4) And after receiving the meter reading instruction, the electric energy meter sends the acquired data of the corresponding type to the electricity utilization acquisition terminal in a message mode.
(5) And after the power utilization acquisition terminal receives the returned message, the content of the message is not analyzed and is directly transmitted to the master station through the Ethernet.
(6) When the current test period is over, the master station respectively counts the number Ns of the sent messages, the number Nr of the received messages and the number Bs of bytes of each sent message i And the byte number Br of each received message i And then the data transmission stability TS of the power utilization acquisition terminal is calculated.
The test process of the task meter reading test project is as follows:
the method comprises the following steps that (i) a master station receives a task acquisition scheme configured manually by a tester, and then a corresponding task test instruction is automatically generated according to the task acquisition scheme. The task test instruction comprises a task type mark to be tested and an execution frequency.
And (ii) the master station sends the message corresponding to each task test instruction in the current task acquisition scheme to the power utilization acquisition terminal.
And (iii) analyzing all task type marks to be tested and execution frequency by the power utilization acquisition terminal according to the received message, and periodically transmitting acquisition instructions of all types of data required by related tasks to the electric energy meter according to the execution frequency and the task type.
And (iv) after receiving the acquisition instruction, the electric energy meter sends the acquired data of the corresponding type to the electricity utilization acquisition terminal in a message mode.
And (v) after receiving the returned message, the power consumption acquisition terminal analyzes the message content, processes the message content according to the analyzed original data to obtain a required task execution result, and sends the task execution result to the master station.
And (vi) the master station periodically receives the task processing results uploaded by the power utilization acquisition terminal according to the task execution frequency and analyzes the accuracy of each task processing result. And then calculating the task execution completion degree MC of the power utilization acquisition terminal.
In the invention, the master station comprehensively analyzes the evaluation value of the meter reading stability CS of each power consumption acquisition terminal according to the evaluation values of the data transmission stability TS and the task execution completion MC of each power consumption acquisition terminal in the test period.
As a further improvement of the invention, the master station also establishes a mapping relation table between each power utilization acquisition terminal and the electric energy meter connected with the power utilization acquisition terminal according to the topological structure of the station area power utilization information automatic acquisition system. The mapping relation table comprises the equipment identification number of each electricity utilization acquisition terminal and the equipment identification number of the electric energy meter connected with each electricity utilization acquisition terminal. In addition, the master station also stores a comparison table of the equipment identification numbers of the electricity utilization acquisition terminal and the electric energy meter and the corresponding physical addresses.
As a further improvement of the invention, the transparent reading test instruction and/or the task test instruction also comprise the corresponding equipment identification number of the electric energy meter.
And the master station inquires the mapping relation table according to the equipment identification number of the electric energy meter in the generated transparent reading test instruction and/or task test instruction. And then obtaining the equipment identification number of the electricity utilization acquisition terminal in charge of the electric energy meter, and then issuing the reading test instruction and/or the task test instruction to the corresponding electricity utilization acquisition terminal.
As a further improvement of the invention, the message of the collected data transmitted to the master station by the electricity utilization collecting terminal and the message of the task execution result transmitted to the master station all contain the equipment identification number of the electric energy meter corresponding to the data source. And the master station classifies, stores and analyzes the test data and the result of each power consumption acquisition terminal according to the equipment identification number of the electric energy meter.
As a further improvement of the present invention, in the timed transparent copy test item, the types of data issued by the master station and requiring timed transparent transmission include: (ii) an electrical energy data object identifier, comprising: the combined active electric energy, the forward active electric energy, the reverse active electric energy, the combined reactive 1 electric energy, the combined reactive 2 electric energy, the first quadrant reactive electric energy, the second quadrant reactive electric energy, the third quadrant reactive electric energy, the fourth quadrant reactive electric energy and the like. (II) identifying a maximum demand class data object, comprising: the maximum forward active demand, the maximum reverse active demand, the maximum combined reactive 1 demand, the maximum combined reactive 2 demand, the maximum demand in the first quadrant, the maximum demand in the second quadrant, the maximum demand in the third quadrant, the maximum demand in the fourth quadrant, and the like.
As a further improvement of the present invention, in the task meter reading test project, the types of tasks required to be executed issued by the master station include: the method comprises the steps of acquiring real-time data of power consumption, generating a curve of power data in a target period, freezing data and the like.
As a further improvement of the present invention, the calculation formula of the data transmission stability TS is as follows:
the calculation formula of the task execution completion degree MC is as follows:
MC = (total number of tasks completed accurately in current period/total number of tasks to be completed in task collection schema) × 100%
As a further improvement of the invention, the calculation formula of the meter reading stability CS is as follows:
CS=α·TS+β·MC
α+β=1
in the above formula, α represents the weight of the influence of data transmission stability on the meter reading stability evaluation result; and beta represents the weight of the influence of the task completion degree on the meter reading stability evaluation result.
The invention also comprises an automatic test system for the meter reading stability of the power consumption acquisition terminal, which is used for adopting the automatic test method for the meter reading stability of the power consumption acquisition terminal; and regularly carrying out a time transparency reading test and a task meter reading test on each power consumption acquisition terminal in the transformer area and in communication connection with the main station, and further obtaining the evaluation result of the meter reading stability of each power consumption acquisition terminal in the test period. The automated test system comprises: the system comprises a timing transparent reading test module, a task meter reading test module and an evaluation result generation module.
In the system, the timing transparent reading test module comprises a transparent reading test instruction generating unit, a query unit, an instruction sending unit, a table data receiving unit and a data processing unit.
The system comprises a reading test instruction generating unit, a reading test instruction generating unit and a reading unit, wherein the reading test instruction generating unit is used for randomly generating a plurality of reading test instructions; the reading test instruction comprises a data type mark to be read, an equipment identification number of the electric energy meter executing the reading task, and reading time. The query unit is used for querying a preset mapping relation table according to the equipment identification number of the electric energy meter executing the transparent reading task and determining the equipment identification number of the electricity utilization acquisition terminal in charge of the electric energy meter. And the instruction sending unit is used for sending the transparent reading test instruction to the power utilization acquisition terminal determined by the query unit. The meter data receiving unit is used for receiving meter measurement data directly acquired by the electric energy meter transmitted by the electricity acquisition terminal. The data processing unit is used for analyzing the number Ns and the number Nr of the sent messages in the test period and the number Bs of bytes of each sent message according to the transparent reading test instruction and the meter test data i And number of bytes Br of received message i And then calculating the data transmission stability TS of the power utilization acquisition terminal.
In the system, the task meter reading test module comprises a scheme acquisition unit, a task test instruction generation unit, a query unit, an instruction sending unit, an end data receiving unit and a task execution completion degree calculation unit.
The scheme acquisition unit is used for acquiring a task acquisition scheme manually configured by a tester. The task test instruction generating unit is used for automatically generating a corresponding task test instruction according to the task acquisition scheme. The task test instruction comprises a task type mark to be tested, an equipment identification number of the electric energy meter for executing the task test instruction, and execution frequency. The query unit is used for querying a preset mapping relation table according to the equipment identification number of the electric energy meter executing the transparent reading task and determining the equipment identification number of the electricity utilization acquisition terminal in charge of the electric energy meter. The instruction sending unit is used for sending the task test instruction to the power utilization acquisition terminal determined by the query unit. And the end data receiving unit is used for receiving a task processing result processed by the power utilization acquisition terminal. And the task execution completion degree calculation unit is used for evaluating the accuracy of each task processing result in the task acquisition scheme and further calculating the task execution completion degree MC of the power utilization acquisition terminal.
And the evaluation result generation module is used for calculating the evaluation value of the meter reading stability CS of the power utilization acquisition terminal according to the data transmission stability TS and the task execution completion MC evaluation value of any power utilization acquisition terminal in the test period.
The invention also comprises an automatic testing device for meter reading stability of the electricity utilization acquisition terminal, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor. And when the processor executes the program, the steps of the automatic test method for the meter reading stability of the electricity utilization acquisition terminal are realized.
The technical scheme provided by the invention has the following beneficial effects:
the reading stability test method of the power utilization acquisition terminal can be directly applied to the existing platform district power utilization information automatic acquisition system without adding any new hardware, so that the execution cost of a test task can be reduced. The test method can realize the on-line measurement of the meter reading stability of the electricity consumption acquisition equipment in the local system, different test items are automatically executed by the master station, and manual data reading or management is not needed, so that the working efficiency of a test task can be greatly improved.
The execution process of the test method can be carried out independently of the normal acquisition task of the system, and can also be completed by using data acquired by the normal acquisition task. Namely: the execution of the test task and the existing collection task of the system are carried out in parallel, and mutual interference cannot be generated. In the method, the different terminals and the equipment adopt Ethernet or RS485 bus to transmit data, and the bandwidth of the data transmission channel is large enough; even when a large amount of data is transmitted in parallel, data congestion or errors are not caused.
Compared with the existing method, the method provided by the invention has the advantages of accurate data and high reliability; the automation degree of the testing process is high, the testing efficiency is high, and the operation process is simple.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart illustrating steps of an automatic testing method for meter reading stability of a power consumption collection terminal according to an embodiment 1 of the present invention.
Fig. 2 is a flowchart of a test procedure of the timed double-copy test item in embodiment 1 of the present invention.
Fig. 3 is a flowchart of a test process of a task meter reading test item in embodiment 1 of the present invention.
Fig. 4 is a schematic module diagram of an automatic test system for meter reading stability of a power consumption acquisition terminal according to embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment provides an automatic test method for meter reading stability of a power consumption acquisition terminal, which is applied to an automatic power consumption information acquisition system of a distribution room, shown in fig. 1, composed of a master station, the power consumption acquisition terminal and an electric energy meter. In the automatic acquisition system, a server or a computer of a master station is connected with an electricity utilization acquisition terminal (namely a concentrator) through an Ethernet, and the electricity utilization acquisition terminal is connected with an RS485 terminal of an electric energy meter through RS 485. The main station sends each data acquisition task to the power consumption acquisition terminal through the Ethernet, and the power consumption acquisition terminal sends the data required by the main station to the main station through the Ethernet. The power utilization acquisition terminal sends a corresponding data request to the electric energy meter according to the task issued by the master station; and after the electric energy meter responds to the request, transmitting the acquired corresponding statistical data to the electricity utilization acquisition terminal. The electricity utilization collection terminal and each electric energy meter are in communication connection through the RS485 bus, so that high-fidelity rapid communication can be realized, and the real-time performance and the accuracy of data transmission are ensured.
In the method adopted by this embodiment, the completed test items include two types, namely a timing transparent reading test item and a task meter reading test item. And then, comprehensively evaluating the meter reading stability of the electricity utilization acquisition terminal according to the test results of the two types of tasks.
Specifically, as shown in fig. 2, the test procedure of the timed carbon-copy test item is as follows:
(1) The master station randomly generates a plurality of through reading test instructions according to a preset timing through reading test program; the double-reading test instruction comprises a data type mark to be double-read and double-reading time.
(2) And the master station sends the messages corresponding to all the transparent reading test instructions in the current test period to the power utilization acquisition terminal.
(3) The power utilization acquisition terminal analyzes all data type marks to be thoroughly read and the thoroughly reading time according to the received message, and then issues a meter reading instruction of corresponding type data to the electric energy meter when the thoroughly reading time of each thoroughly reading test instruction is reached.
(4) And after receiving the meter reading instruction, the electric energy meter sends the acquired data of the corresponding type to the electricity utilization acquisition terminal in a message mode.
(5) And after the power utilization acquisition terminal receives the returned message, the content of the message is not analyzed and is directly transmitted to the master station through the Ethernet.
(6) When the current test period is over, the master station respectively counts the number Ns of the sent messages, the number Nr of the received messages and the byte number Bs of each sent message i And the byte number Br of each received message i And then calculating the data transmission stability TS of the power utilization acquisition terminal.
The calculation formula of the data transmission stability TS is as follows:
as shown in fig. 3, the test process of the task meter reading test item is as follows:
the method comprises the following steps that (i) a master station receives a task acquisition scheme configured manually by a tester, and then a corresponding task test instruction is automatically generated according to the task acquisition scheme. The task test instruction comprises a task type mark to be tested and an execution frequency.
And (ii) the master station sends the message corresponding to each task test instruction in the current task acquisition scheme to the power utilization acquisition terminal.
And (iii) analyzing all task type marks to be tested and the execution frequency by the power utilization acquisition terminal according to the received message, and then periodically sending acquisition instructions of all types of data required by related tasks to the electric energy meter according to the execution frequency and the task type.
And (iv) after receiving the acquisition instruction, the electric energy meter sends the acquired data of the corresponding type to the electricity utilization acquisition terminal in a message mode.
And (v) after receiving the returned message, the power utilization acquisition terminal analyzes the message content, processes the message content according to the analyzed original data to obtain a required task execution result, and sends the task execution result to the master station.
And (vi) the master station periodically receives the task processing results uploaded by the power utilization acquisition terminal according to the task execution frequency and analyzes the accuracy of each task processing result. And then calculating the task execution completion degree MC of the power utilization acquisition terminal.
The calculation formula of the task execution completion degree MC is as follows:
MC = (total number of tasks completed accurately in current period/total number of tasks to be completed in task collection plan) × 100%
In the invention, the master station comprehensively analyzes the evaluation value of the meter reading stability CS of each power consumption acquisition terminal according to the evaluation values of the data transmission stability TS and the task execution completion MC of each power consumption acquisition terminal in the test period.
The calculation formula of the meter reading stability CS is as follows:
CS=α·TS+β·MC
α+β=1
in the above formula, α represents the weight of the influence of data transmission stability on the meter reading stability evaluation result; and beta represents the weight of the influence of the task completion degree on the meter reading stability evaluation result.
In this example, the test tasks are mainly issued to each power consumption acquisition terminal by the master station, so the master station needs to specify the issuing object of each task, and the task issuing object is determined by the final data acquisition object. When some data acquisition processes are actually finished by the electric energy meter A, the master station needs to issue the data acquisition task to the electric energy meter A and the electricity utilization acquisition terminal B. And then the power utilization acquisition terminal issues a corresponding data acquisition instruction.
Therefore, in order to accurately issue the tasks, the master station in this embodiment further establishes a mapping relation table between each power consumption acquisition terminal and the electric energy meter connected to the power consumption acquisition terminal according to the topological structure of the station area power consumption information automatic acquisition system. The mapping relation table comprises the equipment identification number of each electricity utilization acquisition terminal and the equipment identification number of the electric energy meter connected with each electricity utilization acquisition terminal. The equipment identification number of each electric energy meter in the mapping relation table corresponds to the equipment identification number of a unique electricity utilization acquisition terminal; and the equipment identification number of each electricity utilization acquisition terminal corresponds to the equipment identification numbers of one or more electric energy meters. In addition, the master station also stores a comparison table of the equipment identification numbers of the electricity utilization acquisition terminal and the electric energy meter and the corresponding physical addresses.
In this embodiment, the transparent reading test instruction and/or the task test instruction further include a device identification number of the corresponding electric energy meter. And the master station inquires the mapping relation table according to the equipment identification number of the electric energy meter in the generated transparent reading test instruction and/or the task test instruction. And then, an equipment identification number of the power utilization acquisition terminal in charge of the electric energy meter is obtained, and then the transparent reading test instruction and/or the task test instruction are/is issued to the corresponding power utilization acquisition terminal according to the physical address corresponding to the equipment identification number.
In the method of the embodiment, the message of the collected data transmitted to the master station by the electricity utilization collecting terminal and the message of the task execution result transmitted to the master station all contain the equipment identification number of the electric energy meter corresponding to the data source. And the master station classifies and stores the test data and the result of each power utilization acquisition terminal according to the equipment identification number of the electric energy meter. And further, scientific management of the data is facilitated, and a foundation is laid for application of the data in different tasks.
It should be noted that: in the timed transparent reading test item, the data types which are issued by the master station and require timed transparent transmission comprise: (one) electrical energy class data object identification, comprising: the combined active electric energy, the forward active electric energy, the reverse active electric energy, the combined reactive 1 electric energy, the combined reactive 2 electric energy, the first quadrant reactive electric energy, the second quadrant reactive electric energy, the third quadrant reactive electric energy, the fourth quadrant reactive electric energy and the like. (II) identifying a maximum demand class data object, comprising: the maximum forward active demand, the maximum reverse active demand, the maximum combined reactive 1 demand, the maximum combined reactive 2 demand, the maximum demand in the first quadrant, the maximum demand in the second quadrant, the maximum demand in the third quadrant, the maximum demand in the fourth quadrant, and the like.
In the task meter reading test project, the types of tasks required to be executed and issued by the master station comprise: the method comprises the steps of acquiring real-time data of power consumption, generating a curve of power data in a target period, freezing data and the like.
In this embodiment, it is assumed that the positive active electric energy is selected by the transcription data. And the master station self-organizes the message according to the meter address and the data item (positive active electric energy) needing meter reading by transmission and an object-oriented protocol. And the master station configures the electric quantity data identification, and can execute the regular transmission of the transparent transmission message to the power utilization acquisition terminal by determining the regular transmission time to be 15 minutes/time. And the electricity utilization acquisition terminal sends a meter reading message to the ammeter through RS485, counts and compares the number of sent messages, the number of received messages, the number of bytes of sent messages and the number of bytes of received messages. And when the number of the sent messages is equal to that of the received messages, and the number of bytes of the sent messages is equal to that of the received messages, judging that the data transmission stability of the power utilization acquisition terminal is good.
In this embodiment, it is assumed that the task of the master station configuration is to freeze the meter data once a day. And the task message is issued to the power utilization acquisition terminal by the master station. And the electricity utilization acquisition terminal freezes the data of the electricity meter once a day according to the message and stores the data in a storage unit of the electricity utilization acquisition terminal. The system can adapt to the task execution frequency, namely once a day, recall and test the data of the power utilization acquisition terminal, and count and analyze whether the data meet the task requirements. And if the electricity utilization acquisition terminal can successfully execute the once-per-day freezing of the ammeter data, judging that the task execution completion degree of the electricity utilization acquisition terminal is normal.
The method provided by the embodiment is analyzed, and the method provided by the embodiment is directly applied to the existing platform area electricity utilization information automatic acquisition system without adding any new hardware, so that the execution cost of the test task can be reduced. Meanwhile, the execution process of the test method can be carried out independently of the normal acquisition task of the system, and can also be completed by using data acquired by the normal acquisition task. Namely: the execution of the test task and the existing collection task of the system are carried out in parallel, and mutual interference cannot be generated. In the method, data transmission is carried out between different terminals and equipment by adopting an Ethernet or RS485 bus, and the bandwidth of a data transmission channel is large enough; even when a large amount of data is transmitted in parallel, data congestion or errors are not caused.
According to the method provided by the embodiment, the online measurement of the meter reading stability of the electricity consumption acquisition equipment can be realized locally in the system, different test items are automatically executed by the master station, and manual data reading or management is not needed, so that the execution efficiency of the test task can be greatly improved, and the labor cost of the test task is saved.
Example 2
The embodiment provides an automatic test system for meter reading stability of a power consumption acquisition terminal, which is used for adopting the automatic test method for meter reading stability of the power consumption acquisition terminal in the embodiment 1; and regularly carrying out a time transparency reading test and a task meter reading test on each power consumption acquisition terminal in the transformer area and in communication connection with the main station, and further obtaining the evaluation result of the meter reading stability of each power consumption acquisition terminal in the test period.
As shown in fig. 4, the automated test system includes: the system comprises a timing transparent reading test module, a task meter reading test module and an evaluation result generation module.
In the system, the timing transparent reading test module comprises a transparent reading test instruction generating unit, a query unit, an instruction sending unit, a table data receiving unit and a data processing unit.
The system comprises a reading test instruction generating unit, a reading test instruction generating unit and a reading unit, wherein the reading test instruction generating unit is used for randomly generating a plurality of reading test instructions; the reading test instruction comprises a data type mark to be read, an equipment identification number of the electric energy meter executing the reading task, and reading time. The query unit is used for querying a preset mapping relation table according to the equipment identification number of the electric energy meter executing the transparent reading task and determining the equipment identification number of the electricity utilization acquisition terminal in charge of the electric energy meter. And the instruction sending unit is used for sending the transparent reading test instruction to the power utilization acquisition terminal determined by the query unit. The meter data receiving unit is used for receiving meter measurement data directly acquired by the electric energy meter which is transmitted by the electricity acquisition terminal. The data processing unit is used for analyzing the number Ns and the number Nr of the sent messages in the test period and the number Bs of bytes of each sent message according to the transparent reading test instruction and the meter test data i And number of bytes Br of received message i And then calculating the data transmission stability TS of the power utilization acquisition terminal.
In the system, the task meter reading test module comprises a scheme acquisition unit, a task test instruction generation unit, a query unit, an instruction sending unit, an end data receiving unit and a task execution completion degree calculation unit.
The scheme acquisition unit is used for acquiring a task acquisition scheme manually configured by a tester. And the task test instruction generating unit is used for automatically generating a corresponding task test instruction according to the task acquisition scheme. The task test instruction comprises a task type mark to be tested, an equipment identification number of the electric energy meter for executing the task test instruction, and an execution frequency. The query unit is used for querying a preset mapping relation table according to the equipment identification number of the electric energy meter executing the transparent reading task and determining the equipment identification number of the electricity utilization acquisition terminal in charge of the electric energy meter. The instruction sending unit is used for sending the task test instruction to the power utilization acquisition terminal determined by the query unit. And the end data receiving unit is used for receiving a task processing result processed by the power utilization acquisition terminal. And the task execution completion degree calculation unit is used for evaluating the accuracy of each task processing result in the task acquisition scheme and further calculating the task execution completion degree MC of the power utilization acquisition terminal.
And the evaluation result generation module is used for calculating the evaluation value of the meter reading stability CS of the power utilization acquisition terminal according to the data transmission stability TS and the task execution completion MC evaluation value of any power utilization acquisition terminal in the test period.
Example 3
The embodiment provides an automatic testing device for meter reading stability of a power utilization acquisition terminal, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor. When the processor executes the program, the steps of the method for automatically testing the meter reading stability of the electricity utilization collection terminal in the embodiment 1 are realized.
The computer device may be a smart phone, a tablet computer, a notebook computer, a desktop computer, a rack server, a blade server, a tower server or a cabinet server (including an independent server or a server cluster composed of a plurality of servers) capable of executing programs, and the like. The computer device of the embodiment at least includes but is not limited to: a memory, a processor communicatively coupled to each other via a system bus.
In this embodiment, the memory (i.e., the readable storage medium) includes a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. In some embodiments, the memory may be an internal storage unit of the computer device, such as a hard disk or a memory of the computer device. In other embodiments, the memory may also be an external storage device of the computer device, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), etc. provided on the computer device. Of course, the memory may also include both internal and external storage devices for the computer device. In this embodiment, the memory is generally used to store an operating system, various types of application software, and the like installed in the computer device. In addition, the memory may also be used to temporarily store various types of data that have been output or are to be output.
The processor may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor, or other data Processing chip in some embodiments. The processor is typically used to control the overall operation of the computer device. In this embodiment, the processor is configured to run a program code stored in the memory or process data, so as to implement a processing procedure of an automatic test of the meter reading stability of the power consumption acquisition terminal in embodiment 1, further perform a timed transparent reading test and a task meter reading test on the power consumption acquisition terminal, and evaluate the meter reading stability of the power consumption acquisition terminal according to a test result.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. An automatic test method for meter reading stability of a power consumption acquisition terminal is applied to an automatic power consumption information acquisition system of a transformer area, wherein the automatic test method is composed of a master station, the power consumption acquisition terminal and an electric energy meter, in the automatic acquisition system, the master station is connected with the power consumption acquisition terminal through an Ethernet, and the power consumption acquisition terminal is connected with an RS485 terminal of the electric energy meter through RS 485; the method is characterized in that the test items of meter reading stability comprise a timing transparent reading test item and a task meter reading test item; wherein, the first and the second end of the pipe are connected with each other,
the test process of the timing transparent copying test item is as follows:
(1) The method comprises the steps that a main station randomly generates a plurality of transparent reading test instructions according to a preset timing transparent reading test program, wherein the transparent reading test instructions comprise data type marks to be transparent read and transparent reading time;
(2) The master station sends messages corresponding to all the transparent reading test instructions in the current test period to the power utilization acquisition terminal;
(3) The electricity utilization acquisition terminal analyzes all data type marks to be thoroughly read and the thoroughly reading time according to the received message, and then issues a meter reading instruction of corresponding type data to the electric energy meter when the thoroughly reading time of each thoroughly reading test instruction is reached;
(4) After receiving a meter reading instruction, the electric energy meter sends the acquired data of the corresponding type to an electricity utilization acquisition terminal in a message form;
(5) After receiving the returned message, the power utilization acquisition terminal does not analyze the message content and directly transmits the message content to the master station through the Ethernet;
(6) When the current test period is over, the master station respectively counts the number Ns of the sent messages, the number Nr of the received messages and the byte number Bs of each sent message i And the byte number Br of each received message i Further calculating the data transmission stability TS of the power utilization acquisition terminal;
the calculation formula of the data transmission stability TS is as follows:
the test process of the task meter reading test project is as follows:
the method comprises the following steps that (i) a master station receives a task acquisition scheme manually configured by a tester, and then automatically generates a corresponding task test instruction according to the task acquisition scheme; the task testing instruction comprises a task type mark to be tested and an execution frequency;
(ii) the master station sends the message corresponding to each task test instruction in the current task acquisition scheme to the power consumption acquisition terminal;
(iii) analyzing all task type marks to be tested and execution frequency by the power utilization acquisition terminal according to the received message, and then periodically sending acquisition instructions of all types of data required by related tasks to the electric energy meter according to the execution frequency and the task type;
(iv) after the electric energy meter receives the acquisition instruction, transmitting the acquired data of the corresponding type to the electricity utilization acquisition terminal in a message form;
(v) after receiving the returned message, the power consumption acquisition terminal analyzes the message content, processes the message content according to the analyzed original data to obtain a required task execution result, and sends the task execution result to the master station;
(vi) the master station periodically receives the task processing results uploaded by the power utilization acquisition terminals according to the task execution frequency, analyzes the accuracy of each task processing result and further calculates the task execution completion degree MC of the power utilization acquisition terminals;
the calculation formula of the task execution completion degree MC is as follows:
the master station comprehensively analyzes the evaluation value of the meter reading stability CS of each power utilization acquisition terminal according to the evaluation values of the data transmission stability TS and the task execution completion MC of each power utilization acquisition terminal in the test period; the calculation formula of the meter reading stability CS is as follows:
CS＝α·TS+β·MC
in the above formula, α represents the weight of the influence of data transmission stability on the meter reading stability evaluation result; beta represents the influence weight of the task completion degree on the meter reading stability evaluation result; α + β =1.
2. The automatic test method for meter reading stability of the electricity acquisition terminal according to claim 1, characterized in that: the master station establishes a mapping relation table among all the power utilization acquisition terminals and the electric energy meters connected with the power utilization acquisition terminals according to the topological structure of the station area power utilization information automatic acquisition system; the mapping relation table comprises equipment identification numbers of all the electricity utilization acquisition terminals and equipment identification numbers of the electric energy meters connected with all the electricity utilization acquisition terminals; and the master station also stores a comparison table of the equipment identification numbers and corresponding physical addresses of all the power utilization acquisition terminals and the electric energy meters in the transformer area.
3. The automatic test method for meter reading stability of the electricity acquisition terminal as claimed in claim 2, characterized in that: the transparent reading test instruction and/or the task test instruction further comprise corresponding equipment identification numbers of the electric energy meters;
and the master station inquires the mapping relation table according to the equipment identification number of the electric energy meter in the generated transparent reading test instruction and/or task test instruction to obtain the equipment identification number of the power utilization acquisition terminal responsible for the electric energy meter, and then issues the transparent reading test instruction and/or the task test instruction to the corresponding power utilization acquisition terminal.
4. The automatic test method for meter reading stability of the electricity acquisition terminal according to claim 3, characterized in that: the power utilization acquisition terminal transparently transmits the acquired data message of the master station and the task execution result message transmitted to the master station, wherein the messages comprise the equipment identification number of the electric energy meter corresponding to the data source; and the master station classifies, stores and analyzes the test data and the result of each power consumption acquisition terminal according to the equipment identification number of the electric energy meter.
5. The automatic test method for meter reading stability of the electricity acquisition terminal according to claim 4, characterized in that: in the timing transparent reading test item, the data types which are issued by the master station and require timing transparent transmission comprise: (ii) an electrical energy data object identifier, comprising: the method comprises the following steps of combining active electric energy, forward active electric energy, reverse active electric energy, combined reactive 1 electric energy, combined reactive 2 electric energy, first quadrant reactive electric energy, second quadrant reactive electric energy, third quadrant reactive electric energy and fourth quadrant reactive electric energy; (II) identifying a maximum demand class data object, comprising: the method comprises the steps of forward active maximum demand, reverse active maximum demand, combined reactive 1 maximum demand, combined reactive 2 maximum demand, first quadrant maximum demand, second quadrant maximum demand, third quadrant maximum demand and fourth quadrant maximum demand.
6. The automatic test method for meter reading stability of the electricity acquisition terminal according to claim 5, characterized in that: in the task meter reading test project, the types of the tasks required to be executed and issued by the master station include: the method comprises the steps of acquiring real-time data of power consumption, generating a task by a curve of power data in a target period, and freezing the task by data.
7. The utility model provides an automatic test system of stability of checking meter with electric acquisition terminal which characterized in that: the method is used for adopting the automatic test method for the meter reading stability of the electricity acquisition terminal according to any one of claims 1 to 6; regularly carrying out a timing transparent reading test and a task reading test on each power consumption acquisition terminal in the transformer area and in communication connection with the master station, and further obtaining an evaluation result of the reading stability of each power consumption acquisition terminal in a test period; the automated test system comprises:
the timing read-through test module comprises a read-through test instruction generation unit, a query unit, an instruction sending unit, a table data receiving unit and a data processing unit; the system comprises a reading test instruction generating unit, a reading unit and a reading unit, wherein the reading test instruction generating unit is used for randomly generating a plurality of reading test instructions, and the reading test instructions comprise data type marks to be read, equipment identification numbers of electric energy meters for executing reading tasks and reading time; the query unit is used for querying a preset mapping relation table according to the equipment identification number of the electric energy meter executing the transparent copying task and determining the equipment identification number of the electricity utilization acquisition terminal in charge of the electric energy meter; the instruction sending unit is used for sending the transmission reading test instruction to the power utilization acquisition terminal determined by the query unit; the meter data receiving unit is used for receiving meter measurement data directly acquired by the electric energy meter transmitted by the electricity acquisition terminal; the data processing unit is used for analyzing the number Ns of the sent messages and the number Nr of the received messages in the test period and sending the messages according to the transparent reading test instruction and the meter test dataByte number Bs of each sent message i And receiving byte number Br of message i Further calculating the data transmission stability TS of the power utilization acquisition terminal;
the task meter reading test module comprises a scheme acquisition unit, a task test instruction generation unit, a query unit, an instruction sending unit, an end data receiving unit and a task execution completion degree calculation unit; the system comprises a scheme acquisition unit, a task acquisition unit and a task processing unit, wherein the scheme acquisition unit is used for acquiring a task acquisition scheme manually configured by a tester; the task test instruction generating unit is used for automatically generating a corresponding task test instruction according to the task acquisition scheme; the task test instruction comprises a task type mark to be tested, an equipment identification number of an electric energy meter for executing the task test instruction, and an execution frequency; the query unit is used for querying a preset mapping relation table according to the equipment identification number of the electric energy meter executing the transparent copying task and determining the equipment identification number of the electricity utilization acquisition terminal in charge of the electric energy meter; the instruction sending unit is used for sending the task test instruction to the power utilization acquisition terminal determined by the query unit; the terminal data receiving unit is used for receiving a task processing result processed by the power utilization acquisition terminal; the task execution completion degree calculation unit is used for evaluating the accuracy of each task processing result in the task acquisition scheme and further calculating the task execution completion degree MC of the power utilization acquisition terminal; and
and the evaluation result generation module is used for calculating the evaluation value of the meter reading stability CS of the power utilization acquisition terminal according to the data transmission stability TS and the task execution completion MC evaluation value of any power utilization acquisition terminal in the test period.
8. An automatic test device for meter reading stability of a power utilization acquisition terminal, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, and is characterized in that: the processor executes the program to realize the steps of the method for automatically testing the meter reading stability of the electricity collection terminal according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210354991.8A CN114944052B (en) | 2022-04-06 | 2022-04-06 | Automatic test method and system for meter reading stability of electricity acquisition terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210354991.8A CN114944052B (en) | 2022-04-06 | 2022-04-06 | Automatic test method and system for meter reading stability of electricity acquisition terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114944052A CN114944052A (en) | 2022-08-26 |
| CN114944052B true CN114944052B (en) | 2023-02-14 |
Family
ID=82907713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210354991.8A Active CN114944052B (en) | 2022-04-06 | 2022-04-06 | Automatic test method and system for meter reading stability of electricity acquisition terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114944052B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100803084B1 (en) * | 2006-07-26 | 2008-02-18 | 한국전력공사 | Portable error testing device and method for measurment apparatus of electric power volume |
| KR100985863B1 (en) * | 2010-05-19 | 2010-10-08 | 한국전력공사 | Apparatus for integrated verificating comprehensive interoperability of automatic meter reading system and method thereof |
| CN201732472U (en) * | 2010-08-20 | 2011-02-02 | 惠州中城电子科技有限公司 | Automatic testing device of concentrated electric energy meter reading equipment |
| CN102647239B (en) * | 2012-03-21 | 2014-04-02 | 国家电网公司 | Test system for information acquisition wireless downlink channel network |
| CN102970082B (en) * | 2012-10-25 | 2016-07-20 | 中国电力科学研究院 | A kind of low pressure centralized automatic meter-reading terminal local communication performance method of testing |
| CN206991541U (en) * | 2017-05-11 | 2018-02-09 | 长沙瑞斯康通信技术有限公司 | Power meter reading system multipurpose test system |
| CN109327338A (en) * | 2018-10-29 | 2019-02-12 | 中国电力科学研究院有限公司 | A kind of electricity information acquisition system master station method for testing pressure and system based on virtual terminal |
| CN112071050A (en) * | 2020-08-12 | 2020-12-11 | 南京南瑞信息通信科技有限公司 | Concentrator terminal and electricity consumption data acquisition system |
| CN113014449B (en) * | 2021-02-23 | 2022-07-01 | 重庆邮电大学 | Local communication protocol pressure testing method and system of electricity consumption information acquisition system |
-
2022
- 2022-04-06 CN CN202210354991.8A patent/CN114944052B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114944052A (en) | 2022-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111371185A (en) | Line loss monitoring system and method based on distribution transformer terminal | |
| CN102169158B (en) | Steady state oscillograph for power system | |
| CN205246858U (en) | Electric energy metering device error checking appearance and long -range online calibration system | |
| CN104462779B (en) | Using rapid modeling and the theory wire loss on-line calculation method of Data Quality Analysis | |
| CN105447247A (en) | Method and system for checking regulation and control information | |
| CN103955509A (en) | Quick search method for massive electric power metering data | |
| CN111624544A (en) | Transformer area household transformation relation identification method and related device | |
| CN111835006B (en) | Low-voltage transformer area topology identification method based on voltage curve and least square | |
| CN111625583B (en) | Business data processing method and device, computer equipment and storage medium | |
| CN109618364A (en) | Terminal uplink communication module detection system and detection method | |
| CN110636107A (en) | Power grid data interaction system based on 5g communication and interaction method thereof | |
| CN110687494A (en) | Method and system for monitoring faults of remote gateway electric energy meter | |
| CN114944052B (en) | Automatic test method and system for meter reading stability of electricity acquisition terminal | |
| CN102970178A (en) | Local communication performance analyzer of low-pressure concentrated meter reading terminal | |
| CN204066111U (en) | A kind of quick retrieval system of magnanimity electric-power metering data | |
| CN108053633A (en) | The method and device of copy reading metering module electric energy indicating value data | |
| CN104375000B (en) | Calculation method for statistic line losses | |
| CN115766398B (en) | Station area electricity consumption information acquisition fault analysis system based on edge calculation | |
| CN112015813A (en) | Data sharing method, system and device of power distribution network and computer equipment | |
| CN103678876A (en) | Power distribution network line loss on-line computation method | |
| CN116231633A (en) | Method, device, equipment and storage medium for monitoring carbon emission of power distribution network | |
| CN113242164B (en) | Gateway bus balancing system and electric energy data acquisition and transmission method thereof | |
| CN111611255B (en) | Equipment energy consumption energy-saving management method and device, terminal equipment and storage medium | |
| CN211787472U (en) | Novel 24-hour acquisition terminal field monitoring equipment and system | |
| CN113361983A (en) | High-loss transformer area technology cause diagnosis method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |