CN213072726U - Power distribution network architecture system based on intelligent concentrator - Google Patents

Power distribution network architecture system based on intelligent concentrator Download PDF

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CN213072726U
CN213072726U CN202022679181.9U CN202022679181U CN213072726U CN 213072726 U CN213072726 U CN 213072726U CN 202022679181 U CN202022679181 U CN 202022679181U CN 213072726 U CN213072726 U CN 213072726U
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distribution network
data
intelligent
terminal
electric energy
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陆鑫
陈婧
林超
吴德铿
薛迎卫
陈奎印
胡剑地
施炜炜
叶强镔
李珈颖
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Great Power Science and Technology Co of State Grid Information and Telecommunication Co Ltd
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Great Power Science and Technology Co of State Grid Information and Telecommunication Co Ltd
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Abstract

The utility model discloses a distribution network framework system based on intelligent concentrator, its characterized in that: the intelligent electric energy meter comprises a main station for summarizing information and processing data, an operation end which is arranged in the main station and is convenient for operators to work, intelligent electric energy meters and various acquisition terminals for accurately acquiring line loss related information data, and a local area network for stable communication and transmission; the utility model discloses for current scheme distribution network detecting system, its data acquisition can be more accurate to setting up collection node and terminal and carry out data acquisition, concentrate to the data of gathering by high-speed communication channel real-time transmission data to main website and carry out accurate calculation processing, realize the accurate detection to distribution network line loss, to the high-efficient detection of distribution network line loss, the many-sided means of management planning construction under the line of cooperation distribution network gradually realizes the construction target that economize on electricity reduced and decreases.

Description

Power distribution network architecture system based on intelligent concentrator
Technical Field
The utility model relates to an electric power field, more specifically says that it relates to distribution network framework system based on intelligent concentrator.
Background
The intelligent detection system actively responds to the construction target of 'three-type two-network and first-class world' of the national network headquarters, explores the ubiquitous power Internet of things construction, fully utilizes the technologies such as high-speed carrier waves and the like, deeply excavates the non-metering function and the real acquisition data value of the intelligent electric meter, widely develops the power distribution network planning and management practice based on big data, and comprehensively constructs the 'power distribution network intelligent detection system based on the comprehensive perception of a low-voltage distribution network'.
The line loss is a comprehensive technical and economic index of the power system and an important economic index of a power department, and the line loss rate not only reflects the structural condition and the quality of operation management of a power grid, but also reflects the technical management level of the power department. The accurate data of analysis line loss, the classification of line loss, accurate location line loss point, the kind of the song loss, the differentiation is normal loss, unusual loss, still steals electricity, and is very important to electric power system's energy-conserving work, and the level of improving line loss management work, it is the key to formulate a scientific and reasonable line loss index. For the power transmission network, because the measuring equipment is complete, the parameters and the operation data of the power grid equipment are easy to obtain, the accuracy of the data is high, the theoretical line loss calculation and the actual line loss statistics are easy to realize, the management department can master the line loss condition of the high-voltage power transmission network comprehensively and truly, and the establishment of a scientific and reasonable line loss index is easy. However, for the distribution network, due to the limitation of various factors such as incomplete measurement equipment, the collection of the operation data of the load points is difficult or cannot be accurately collected, so that on one hand, the theoretical line loss calculation result of the distribution network is greatly different from the true value, and on the other hand, the actual line loss cannot be accurately counted. Therefore, the scientific and reasonable line loss index of the power distribution network is difficult to prepare at present. In addition, the power distribution network directly faces to users, and the phenomena of electricity stealing and leakage are more prominent and are main sources of management line loss. In recent years, due to factors in many aspects such as construction and management, the line loss level of the urban and rural power distribution networks is still high, and the power saving and loss reduction potential is huge.
SUMMERY OF THE UTILITY MODEL
Based on the problem, the utility model discloses a carry out data transmission based on build LAN certainly to setting up accurate acquisition terminal, to the accurate calculation processing of acquisition terminal acquisition information in order to realize the distribution network detecting system to real-time, comprehensive, true, the scientific management of circuit line loss.
This scheme provides distribution network architecture system based on intelligent concentrator, its characterized in that: comprises a master station, an operation terminal, an intelligent electric energy meter, each acquisition terminal and a local area network,
the master station is connected with each acquisition terminal and the intelligent electric energy meter, the operation end is positioned in the master station and used for summarizing data and information acquired and output by the intelligent electric energy meter and each acquisition terminal and accurately calculating line loss of each level;
the operation end comprises a display module and an operation module and is used for interfering the autonomous operation of the power distribution network, and an operator can check target information in the main station;
the intelligent electric energy meter is arranged in the household dial plate, is connected with the master station through a built-in high-speed carrier communication unit and is used for collecting information data of the household meter, actively uploading the information data and carrying out real-time abnormity early warning;
each acquisition terminal is arranged on each branch node, the distribution box of the transformer area and the user dial plate and comprises an intelligent distribution concentrator, a meter box detection terminal and a branch detection terminal;
the local area network is provided with a wired interface and a wireless interface which are connected with the master station, each acquisition terminal and the intelligent electric energy meter, the wired interface and the wireless interface adopt optical fibers and GPRS or 230MHZ private network channels and are used for real-time stable transmission of acquisition data and operation information, and a cloud system database built based on the local area network is arranged in the local area network and is used for storing a large amount of historical data.
Through the scheme, the system aims at the distributed acquisition terminals at the important nodes, the intelligent electric energy meter capable of performing real-time abnormal early warning is arranged in the end user meter panel of the power distribution network, the high-speed carrier communication unit and the local area network are arranged, real-time stable transmission is realized on the basis of wired wireless, the acquired information is transmitted to the main station to be gathered, the line loss of each level is accurately calculated, the information is displayed through the operation end and is transmitted to the cloud system database for backup storage, and an operator can receive the information through the operation end and make regulation and control and interference.
Furthermore, each acquisition terminal comprises a branch box terminal and a meter box terminal, and each acquisition terminal comprises a built-in high-speed carrier communication unit connected with the local area network and is used for constructing a data acquisition communication network based on a high-speed carrier.
Furthermore, the high-speed carrier communication unit collects data of each ammeter, branch box terminal and meter box terminal through the built-in CCO module and PCO module, and is used for hierarchical line loss analysis calculation and automatic drawing of 'variable-branch-meter box-user meter' topology.
Compared with the existing scheme, the scheme has the advantages that the high-speed carrier communication unit is adopted, so that not only can real-time stable transmission and real-time reporting of abnormal conditions be realized, but also hierarchical line loss analysis and calculation can be realized through the assistance of the high-speed carrier CC0 module, and automatic drawing of 'variable-branch-meter box-meter table' topology is realized.
Furthermore, the intelligent electric energy meter position is located on the household dial plate and connected with the main station, and is used for collecting important event information, current, voltage, power failure events, cover opening events, clock abnormity, battery faults and zero line and live line current abnormity of each electric meter and reporting the important event information, the current, the voltage, the power failure events, the cover opening events, the clock abnormity, the battery faults and the zero line and live line current abnormity in real time, so that a basis is provided for the main.
Through the scheme, for current scheme, this scheme has adopted intelligent ammeter to replace three-layer framework household dial plate commonly used, powerful electric energy measurement function has, the precision is induction type more, the individual table of ordinary electronic formula point woolen cloth is many more high, it is more accurate to measure, can also provide the weight measurement function simultaneously, and add after getting absolute value with each phase-splitting electric energy, rather than ordinary algebra and addition, avoided three-phase four-wire electric energy meter to connect wrong back at mutual inductance current line, the electric quantity loss that comes.
Furthermore, the operation end is connected with a wireless module, a user accesses to the local area network through the wireless module, and the current state of the system is checked and controlled through the display module.
Through above-mentioned scheme, through long-range wireless control operation end, can know and interfere the autonomic operation of distribution network, the operating personnel of being convenient for masters the state of distribution network.
Furthermore, a timing module is arranged in each acquisition terminal of the intelligent electric energy meter.
To sum up, the utility model discloses following beneficial effect has: compared with the prior art, the utility model discloses a scheme, take place each key node as the information acquisition point to the line loss including multiple acquisition terminal, through real-time data collection to through the high-speed carrier communication unit of connecting the LAN with the data and the information transfer of gathering in real time, rethread main website gathers and the line loss of accurate calculation at different levels, shows through the operation end in the main website, and saves to cloud system database as historical data through the LAN, the utility model discloses can also realize the function that the operation end can remote operation look over through the wireless connection operation end of long-range mobile terminal;
for current scheme distribution network detecting system, this scheme data collection can be more accurate carry out data acquisition to setting up collection node and equipment, is concentrated to the main website by high-speed communication channel real-time transmission data and carries out accurate calculation to the data of gathering, realizes the accurate detection to distribution network line loss, to the high-efficient detection of distribution network line loss, cooperates the many-sided means of the management planning construction under the line of distribution network, progressively realizes the construction target that the loss falls in the economize on electricity.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present solution.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the power distribution network architecture system based on the intelligent concentrator is characterized in that: comprises a master station, an operation terminal, an intelligent electric energy meter, each acquisition terminal and a local area network,
the master station is connected with each acquisition terminal and the intelligent electric energy meter, the operation end is positioned in the master station and used for summarizing data and information acquired and output by the intelligent electric energy meter and each acquisition terminal and accurately calculating line loss of each level;
the operation end comprises a display module and an operation module and is used for interfering the autonomous operation of the power distribution network, and an operator can check target information in the main station;
the intelligent electric energy meter is arranged in the household dial plate, is connected with the master station through a built-in high-speed carrier communication unit and is used for collecting information data of the household meter, actively uploading the information data and carrying out real-time abnormity early warning;
each acquisition terminal is arranged on each branch node, the distribution box of the transformer area and the user dial plate and comprises an intelligent distribution concentrator, a meter box detection terminal and a branch detection terminal;
the local area network is provided with a wired interface and a wireless interface which are connected with the master station, each acquisition terminal and the intelligent electric energy meter, the wired interface and the wireless interface adopt optical fibers and GPRS or 230MHZ private network channels and are used for real-time stable transmission of acquisition data and operation information, and a cloud system database built based on the local area network is arranged in the local area network and is used for storing a large amount of historical data.
Through the scheme, the system aims at the distributed acquisition terminals at the important nodes, the intelligent electric energy meter capable of performing real-time abnormal early warning is arranged in the end user meter panel of the power distribution network, the high-speed carrier communication unit and the local area network are arranged, real-time stable transmission is realized on the basis of wired wireless, the acquired information is transmitted to the main station to be gathered, the line loss of each level is accurately calculated, the information is displayed through the operation end and is transmitted to the cloud system database for backup storage, and an operator can receive the information through the operation end and make regulation and control and interference.
Furthermore, each acquisition terminal comprises a branch box terminal and a meter box terminal, and each acquisition terminal comprises a built-in high-speed carrier communication unit connected with the local area network and is used for constructing a data acquisition communication network based on a high-speed carrier.
Furthermore, the high-speed carrier communication unit collects data of each ammeter, branch box terminal and meter box terminal through the built-in CCO module and PCO module, and is used for hierarchical line loss analysis calculation and automatic drawing of 'variable-branch-meter box-user meter' topology.
Compared with the existing scheme, the scheme has the advantages that the high-speed carrier communication unit is adopted, so that not only can real-time stable transmission and real-time reporting of abnormal conditions be realized, but also hierarchical line loss analysis and calculation can be realized through the assistance of the high-speed carrier CC0 module, and automatic drawing of 'variable-branch-meter box-meter table' topology is realized.
Furthermore, the intelligent electric energy meter position is located on the household dial plate and connected with the main station, and is used for collecting important event information, current, voltage, power failure events, cover opening events, clock abnormity, battery faults and zero line and live line current abnormity of each electric meter and reporting the important event information, the current, the voltage, the power failure events, the cover opening events, the clock abnormity, the battery faults and the zero line and live line current abnormity in real time, so that a basis is provided for the main.
Furthermore, the operation end is connected with a wireless module, a user accesses to the local area network through the wireless module, and the current state of the system is checked and controlled through the display module.
Furthermore, a timing module is arranged in each acquisition terminal of the intelligent electric energy meter.
Through above-mentioned scheme, through long-range wireless control operation end, can know and interfere the autonomic operation of distribution network, the operating personnel of being convenient for masters the state of distribution network.
Compared with the prior art, the utility model discloses a scheme, take place each key node as the information acquisition point to the line loss including multiple acquisition terminal, through real-time data collection to through the high-speed carrier communication unit of connecting the LAN with the data and the information transfer of gathering in real time, rethread main website gathers and the line loss of accurate calculation at different levels, shows through the operation end in the main website, and saves to cloud system database as historical data through the LAN, the utility model discloses can also realize the function that the operation end can remote operation look over through the wireless connection operation end of long-range mobile terminal;
for current scheme distribution network detecting system, this scheme data collection can be more accurate carry out data acquisition to setting up collection node and equipment, is concentrated to the main website by high-speed communication channel real-time transmission data and carries out accurate calculation to the data of gathering, realizes the accurate detection to distribution network line loss, to the high-efficient detection of distribution network line loss, cooperates the many-sided means of the management planning construction under the line of distribution network, progressively realizes the construction target that the loss falls in the economize on electricity.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims (6)

1. Distribution network framework system based on intelligent concentrator, its characterized in that: comprises a master station, an operation terminal, an intelligent electric energy meter, each acquisition terminal and a local area network,
the master station is connected with the acquisition terminals and the intelligent electric energy meter, the operation end is positioned in the master station, and the master station is used for summarizing data and information output by the intelligent electric energy meter and the acquisition terminals and accurately calculating line loss of each level;
the operation end comprises a display module and an operation module and is used for actively interfering the autonomous operation of the power distribution network, and an operator can check target information in the main station;
the intelligent electric energy meter is arranged in the household dial plate, is connected with the master station through a built-in high-speed carrier communication unit and is used for collecting the electricity utilization information data of the household meter, actively uploading the electricity utilization information data and carrying out real-time abnormity early warning;
each acquisition terminal is arranged on each branch node, the distribution box of the transformer area and the user dial plate and comprises an intelligent distribution concentrator, a meter box detection terminal and a branch detection terminal;
the local area network is provided with a wired interface and a wireless interface which are connected with the master station, each acquisition terminal and the intelligent electric energy meter, the wired interface and the wireless interface adopt optical fibers, GPRS or 230MHz special network channels and are used for real-time stable transmission of acquisition data and operation information, and the local area network further comprises a cloud system database built based on the local area network and used for storing a large amount of historical data.
2. The intelligent concentrator based power distribution network architecture system of claim 1, wherein: each acquisition terminal comprises a branch box terminal and a meter box terminal, and each acquisition terminal comprises a built-in high-speed carrier communication unit connected with a local area network and is used for constructing a data acquisition communication network based on high-speed carriers.
3. The intelligent concentrator-based power distribution network architecture system of claim 2, wherein: the high-speed carrier communication unit collects data of each ammeter, branch box terminal and meter box terminal through the built-in CCO module and PCO module, and is used for automatic drawing of hierarchical line loss analysis calculation and variable-branch-meter box-household meter topology.
4. The intelligent concentrator based power distribution network architecture system of claim 1, wherein: the intelligent electric energy meter is located on the household dial plate and connected with the main station, and is used for collecting important event information, current, voltage, power failure events, cover opening events, clock abnormity, battery faults and zero line and live wire current abnormity of each electric meter and reporting the important event information, the current, the voltage, the power failure events, the cover opening events, the clock abnormity, the battery faults and the zero line and live wire current abnormity in real time, so that a basis is provided for the.
5. The intelligent concentrator based power distribution network architecture system of claim 1, wherein: the operation end is connected with wireless module, and the user passes through wireless module access LAN, looks over the current state of system through the display module assembly, through remote control operation end, can interfere the autonomic operation of distribution network.
6. The intelligent concentrator based power distribution network architecture system of claim 1, wherein: and a timing module is arranged in each acquisition terminal of the intelligent electric energy meter.
CN202022679181.9U 2020-11-19 2020-11-19 Power distribution network architecture system based on intelligent concentrator Active CN213072726U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114221676A (en) * 2021-11-17 2022-03-22 国网内蒙古东部电力有限公司供电服务监管与支持中心 Advanced function detection platform of HPLC (high performance liquid chromatography) intelligent meter
CN116527762A (en) * 2023-06-02 2023-08-01 国网黑龙江省电力有限公司营销服务中心 Remote interaction system for electricity consumption message based on centralized electricity consumption user

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114221676A (en) * 2021-11-17 2022-03-22 国网内蒙古东部电力有限公司供电服务监管与支持中心 Advanced function detection platform of HPLC (high performance liquid chromatography) intelligent meter
CN116527762A (en) * 2023-06-02 2023-08-01 国网黑龙江省电力有限公司营销服务中心 Remote interaction system for electricity consumption message based on centralized electricity consumption user

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