CN215728767U - Electric energy meter measurement accuracy evaluation system - Google Patents
Electric energy meter measurement accuracy evaluation system Download PDFInfo
- Publication number
- CN215728767U CN215728767U CN202121681041.3U CN202121681041U CN215728767U CN 215728767 U CN215728767 U CN 215728767U CN 202121681041 U CN202121681041 U CN 202121681041U CN 215728767 U CN215728767 U CN 215728767U
- Authority
- CN
- China
- Prior art keywords
- module
- electric energy
- energy meter
- input end
- master station
- 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
Abstract
The utility model provides an electric energy meter metering accuracy evaluation system, and belongs to the field of electric energy meter metering accuracy estimation. The method specifically comprises the following steps: the system comprises a data acquisition module, a communication module, a master station server and a working terminal; the output end of the data acquisition module is connected with the input end of the communication module; the data acquisition module is used for acquiring real-time electric energy of the electric energy meter; the communication module is used for transmitting the data acquired by the data acquisition module to the master station server; the master station server is used for issuing a data acquisition command to the data acquisition module in real time and storing, analyzing and processing the received data; and the working terminal is used for displaying the result output by the master station server. The method improves the accuracy and the real-time performance of the remote error estimation of the intelligent ammeter, solves the bottleneck that the prior manual investigation has large workload and lacks of targeted detection, and greatly reduces the maintenance cost of the ammeter error.
Description
Technical Field
The utility model relates to an electric energy meter accuracy evaluation system, and belongs to the field of electric energy meter metering accuracy estimation.
Background
The intelligent electric meter is an important component of the intelligent power grid, the operation error of the intelligent electric meter is the basis of power grid operation control and trade settlement of both power supply and power utilization parties, and the metering result is directly related to the safety of the power grid and whether the trade settlement of both parties is fair and reasonable, so that the operation error state of the intelligent electric meter is particularly important to judge.
Electric energy metering is the legal basis for the electric power industry for electric energy trade and settlement of electricity charges. With the advancement of the power system reform, the separation of a power plant and a power network, the reformation of power transmission and distribution prices and the separation of power transmission and distribution, an electricity selling company will become an important role in electric energy trade, the settlement gateway point of electric quantity transaction of a power grid and the electric energy metering point of a user are increased, and the required electric energy metering device is further increased in multiples. Therefore, the operation and maintenance of the electric energy metering device are important in the electric energy metering work of the power grid company.
Metering is misaligned so as to affect the user's normal settlement. Therefore, the error bias value needs to be evaluated to ensure the metering accuracy of the electric energy meter.
SUMMERY OF THE UTILITY MODEL
The following presents a simplified summary of the utility model in order to provide a basic understanding of some aspects of the utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to determine the key or critical elements of the present invention, nor is it intended to limit the scope of the present invention. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is discussed later.
The utility model provides an electric energy meter metering accuracy evaluation system, which comprises: the system comprises a data acquisition module, a communication module, a master station server and a working terminal; the output end of the data acquisition module is connected with the input end of the communication module; the output end of the communication module is connected with the input end of the master station server, and the output end of the master station server is sequentially connected with the input end of the working terminal;
the master station server comprises a storage module, a threshold module, a line loss analysis module and an evaluation module; the input end of the storage module is connected with the output end of the communication module; the output end of the storage module is connected with the input end of the threshold module, the input end of the line loss analysis module and the input end of the evaluation module; the output end of the line loss analysis module is connected with the input end of the evaluation module; the output end of the evaluation module is respectively connected with the input end of the working terminal, the input end of the threshold module and the input end of the storage module; the output end of the threshold module is connected with the input end of the evaluation module;
the data acquisition module is used for acquiring real-time electric energy of the electric energy meter;
the communication module is used for transmitting the data acquired by the data acquisition module to the master station server;
the master station server is used for issuing a data acquisition command to the data acquisition module in real time and storing, analyzing and processing the received data;
and the working terminal is used for displaying the result output by the master station server.
Preferably, the data acquisition module comprises an intelligent electric energy meter, a distribution area total meter and a concentrator; the concentrator is respectively in communication connection with the intelligent electric energy meter and the distribution room master meter; the concentrator is connected with the master station server through a communication module; the intelligent electric energy meter is used for collecting the real-time electric energy of residents; the concentrator is used for collecting real-time electric energy of the intelligent electric energy meter and the distribution room master meter and transmitting the real-time electric energy to the master station server.
Preferably, the storage module comprises an electric energy meter management storage module and an evaluation storage module; the evaluation storage module is used for storing evaluation results; the electric energy meter management storage module is used for storing electric energy meter data, electric energy meter addresses and user information.
Preferably, the working terminal is connected with the master station server through a local area network.
Preferably, the intelligent electric energy meter and the distribution room master meter are single/three-phase electric energy meters with a data freezing function.
Preferably, the intelligent electric energy meter and the station area master meter are connected with the concentrator through a 485 communication module or a carrier communication module of the electric energy meter and a low-voltage power line carrier network.
The utility model has the following beneficial effects: according to the utility model, through the matching arrangement of the acquisition module, the storage module, the line loss analysis module, the threshold module and the evaluation module, the acquisition module transmits the data of the electric energy meter to the storage module, the line loss analysis module calculates the line loss according to the data stored in the storage module, the evaluation module calculates the error value according to the line loss, compares the error value with the threshold value, outputs the exceeding error value to the evaluation module, and the evaluation module calculates the out-of-tolerance probability, thereby judging the metering accuracy of the electric energy meter. The method improves the accuracy and the real-time performance of the remote error estimation of the intelligent ammeter, solves the bottleneck that the prior manual investigation has large workload and lacks of targeted detection, and greatly reduces the maintenance cost of the ammeter error.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a system according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
First embodiment, referring to fig. 1 to describe this embodiment, an electric energy meter measurement accuracy evaluation system includes: the system comprises a data acquisition module, a communication module, a master station server and a working terminal; the output end of the data acquisition module is connected with the input end of the communication module; the output end of the communication module is connected with the input end of the master station server, and the output end of the master station server is sequentially connected with the input end of the working terminal;
the data acquisition module is used for acquiring real-time electric energy of the electric energy meter;
the communication module is used for transmitting the data acquired by the data acquisition module to the master station server;
the master station server is used for issuing a data acquisition command to the data acquisition module in real time and storing, analyzing and processing the received data;
and the working terminal is used for displaying the result output by the master station server.
The master station server comprises a storage module, a threshold module, a line loss analysis module and an evaluation module; the input end of the storage module is connected with the output end of the communication module; the output end of the storage module is connected with the input end of the threshold module, the input end of the line loss analysis module and the input end of the evaluation module; the output end of the line loss analysis module is connected with the input end of the evaluation module; the output end of the evaluation module is respectively connected with the input end of the working terminal, the input end of the threshold module and the input end of the storage module; the output end of the threshold module is connected with the input end of the evaluation module;
specifically, the line loss analysis module is used for calculating line loss data and transmitting the line loss data to the evaluation module.
Specifically, the evaluation module is used for calculating an error value and an out-of-tolerance probability of the electric energy meter; and transmitting the error value to a threshold module.
Specifically, the threshold module is used for comparing the error value of the electric energy meter with a threshold value and transmitting the out-of-tolerance data to the evaluation module.
Specifically, the evaluation module is connected with the working terminal, the evaluation module outputs an evaluation result to the working terminal and the storage module, the working terminal displays the evaluation result, and the storage module stores the evaluation result.
Specifically, the data acquisition module comprises an intelligent electric energy meter, a distribution area total meter and a concentrator; the concentrator is respectively in communication connection with the intelligent electric energy meter and the distribution room master meter; the concentrator is connected with the master station server through a communication module; the intelligent electric energy meter is used for collecting the real-time electric energy of residents; the concentrator is used for collecting real-time electric energy of the intelligent electric energy meter and the distribution room master meter and transmitting the real-time electric energy to the master station server module.
In particular, a Concentrator (Concentrator) is a central connection point device that connects terminals, computers or communication devices. It can be the central point where the cables meet. In the intelligent electric energy meter dense area, in order to reduce communication lines, the intelligent electric energy meter is connected to the concentrator firstly, and then the concentrator is connected to the master station server through the high-speed line, so that the concentrator can improve the line utilization rate.
Specifically, the storage module comprises an electric energy meter management storage module and an evaluation storage module; the evaluation storage module is used for storing evaluation results; the electric energy meter management storage module is used for storing electric energy meter data, electric energy meter addresses and user information.
Specifically, the electric energy meter address and the user information are provided by the electric power bureau.
Specifically, the work terminal is connected with the master station server through a local area network. The working terminal is specifically a display, and can be used for displaying the evaluation result and facilitating checking. A local area network is a computer communication network that interconnects a master server, a display screen, and a database within a local geographic area.
Specifically, the intelligent electric energy meter and the distribution room master meter are single/three-phase electric energy meters with a data freezing function. The utility model provides two types of electric energy meters, which can be single-phase electric energy meters or three-phase electric energy meters.
Specifically, the intelligent electric energy meter and the distribution room master meter are connected with the concentrator through a 485 communication module or a carrier communication module of the electric energy meter and a low-voltage power line carrier network.
While the utility model has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this description, will appreciate that other embodiments can be devised which do not depart from the scope of the utility model as described herein. Furthermore, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the inventive subject matter. Accordingly, many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the appended claims. The present invention has been disclosed in an illustrative rather than a restrictive sense, and the scope of the present invention is defined by the appended claims.
Claims (6)
1. An electric energy meter measurement accuracy evaluation system, comprising: the system comprises a data acquisition module, a communication module, a master station server and a working terminal; the output end of the data acquisition module is connected with the input end of the communication module; the output end of the communication module is connected with the input end of the master station server, and the output end of the master station server is sequentially connected with the input end of the working terminal;
the master station server comprises a storage module, a threshold module, a line loss analysis module and an evaluation module; the input end of the storage module is connected with the output end of the communication module; the output end of the storage module is connected with the input end of the threshold module, the input end of the line loss analysis module and the input end of the evaluation module; the output end of the line loss analysis module is connected with the input end of the evaluation module; the output end of the evaluation module is respectively connected with the input end of the working terminal, the input end of the threshold module and the input end of the storage module; the output end of the threshold module is connected with the input end of the evaluation module;
the data acquisition module is used for acquiring real-time electric energy of the electric energy meter;
the communication module is used for transmitting the data acquired by the data acquisition module to the master station server;
the master station server is used for issuing a data acquisition command to the data acquisition module in real time and storing, analyzing and processing the received data;
and the working terminal is used for displaying the result output by the master station server.
2. The system of claim 1, wherein the data acquisition module comprises an intelligent electric energy meter, a district total meter and a concentrator; the concentrator is respectively in communication connection with the intelligent electric energy meter and the distribution room master meter; the concentrator is connected with the master station server through a communication module; the intelligent electric energy meter is used for collecting the real-time electric energy of residents; the concentrator is used for collecting real-time electric energy of the intelligent electric energy meter and the distribution room master meter and transmitting the real-time electric energy to the master station server.
3. The system of claim 1, wherein the storage module comprises a power meter management storage module and an evaluation storage module; the evaluation storage module is used for storing evaluation results; the electric energy meter management storage module is used for storing electric energy meter data, electric energy meter addresses and user information.
4. The system of claim 3, wherein the work terminal and the master server are connected via a local area network.
5. The system of claim 4, wherein the smart electric energy meter and the district summary meter are single/three-phase electric energy meters with data freezing function.
6. The system of claim 5, wherein the intelligent electric energy meter and the station area general meter are connected with the concentrator through a 485 communication module or a carrier communication module of the electric energy meter through a low-voltage power line carrier network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121681041.3U CN215728767U (en) | 2021-07-22 | 2021-07-22 | Electric energy meter measurement accuracy evaluation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121681041.3U CN215728767U (en) | 2021-07-22 | 2021-07-22 | Electric energy meter measurement accuracy evaluation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215728767U true CN215728767U (en) | 2022-02-01 |
Family
ID=79988704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121681041.3U Active CN215728767U (en) | 2021-07-22 | 2021-07-22 | Electric energy meter measurement accuracy evaluation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215728767U (en) |
-
2021
- 2021-07-22 CN CN202121681041.3U patent/CN215728767U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201757929U (en) | Fully wireless networked power consumer power consumption information acquisition system | |
| CN103955777B (en) | Photovoltaic generation accesses power distribution network conceptual design and analysis and evaluation accessory system | |
| CN111600296B (en) | Power load prediction system based on edge calculation and prediction method thereof | |
| CN102116857B (en) | Method for checking electric quantity at power grid gate | |
| CN201732120U (en) | Power consumption information collecting and monitoring system in base station | |
| CN102209108A (en) | Method and system for realizing seamless communication between master scheduling station and substation of power grid | |
| CN111624544A (en) | Transformer area household transformation relation identification method and related device | |
| CN101943734A (en) | Method for automatically detecting terminals in batch based on IEC62056 protocol | |
| CN102004199A (en) | Alternating current charging post in-situ test device and method | |
| CN104407189A (en) | Electricity stealing prevention system and method for distribution transformer | |
| CN105356620A (en) | Electric energy quality monitoring system | |
| CN114446037A (en) | Carbon emission monitoring system and method based on Internet of things technology | |
| CN107612592A (en) | A kind of efficiency interactive system based on power line transmission | |
| CN215728767U (en) | Electric energy meter measurement accuracy evaluation system | |
| CN105553761A (en) | IEC61850 conformance testing hardware platform | |
| CN201749557U (en) | Wireless network-based ammeter remote collection copy system | |
| CN103545805A (en) | Modeling-based railway power supply arm monitoring method | |
| CN206892220U (en) | A kind of equipment for monitoring power quality | |
| CN113407172B (en) | Distribution cloud master station-based automatic platform area graph display system and method | |
| CN113640732A (en) | Electric energy meter metering accuracy estimation system and method based on Pareto distribution | |
| CN209446662U (en) | Relay protection sample examination system based on synchronous data collection technology | |
| CN105976210A (en) | Service system for power marketing | |
| CN111817437A (en) | Intelligent substation intelligent oscillograph modeling method | |
| CN114944052B (en) | Automatic test method and system for meter reading stability of electricity acquisition terminal | |
| CN105242108A (en) | Intelligent electric meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |