CN108134453A - A kind of early warning alarm method of intelligent power distribution room monitoring system - Google Patents

A kind of early warning alarm method of intelligent power distribution room monitoring system Download PDF

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Publication number
CN108134453A
CN108134453A CN201711498284.1A CN201711498284A CN108134453A CN 108134453 A CN108134453 A CN 108134453A CN 201711498284 A CN201711498284 A CN 201711498284A CN 108134453 A CN108134453 A CN 108134453A
Authority
CN
China
Prior art keywords
monitor server
power system
system monitor
distribution room
parameter
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.)
Pending
Application number
CN201711498284.1A
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Chinese (zh)
Inventor
秦浦雄
汤志明
郑景立
高永铭
林云秋
范西红
张敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Boehner Mass Mdt Infotech Ltd
Guangzhou Min Bo Information Technology Co Ltd
Guangzhou Energy Internet Co Ltd
Original Assignee
Guangzhou Boehner Mass Mdt Infotech Ltd
Guangzhou Min Bo Information Technology Co Ltd
Guangzhou Energy Internet Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Boehner Mass Mdt Infotech Ltd, Guangzhou Min Bo Information Technology Co Ltd, Guangzhou Energy Internet Co Ltd filed Critical Guangzhou Boehner Mass Mdt Infotech Ltd
Priority to CN201711498284.1A priority Critical patent/CN108134453A/en
Publication of CN108134453A publication Critical patent/CN108134453A/en
Pending legal-status Critical Current

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Classifications

    • H02J13/0062
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/0061Details of emergency protective circuit arrangements concerning transmission of signals
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/242Home appliances

Abstract

The present invention relates to a kind of early warning alarm methods of intelligent power distribution room monitoring system, which is characterized in that includes the following steps:It monitors the parameter of power distribution room electrical equipment and is compared with the parameter threshold value of setting;When the parameter value exception of the electrical equipment, alarm prompt is sent to electricity consumption maintenance company service end and power system monitor server;The electricity consumption maintenance company service end distributes maintenance task according to the alarm prompt and at least one maintenance staff's mobile terminal and feeds back to the power system monitor server;The power system monitor server makes monitoring terminal unit exception point accident analysis, generates warning information;The warning information is sent to the maintenance staff's mobile terminal being deployed according to the feedback by the power system monitor server.The present invention is conducive to improve electricity consumption maintenance company to electricity consumption enterprise electrical equipment exception response speed and troubleshooting efficiency.

Description

A kind of early warning alarm method of intelligent power distribution room monitoring system
Technical field
The present invention relates to a kind of early warning alarm method, more particularly to a kind of early warning alarm side of intelligent power distribution room monitoring system Method.
Background technology
The normal operation of electrical equipment is the important leverage of enterprise production and management, with the rapid development of the national economy, work Industry, commercial power are advanced by leaps and bounds, and the normal operation of electricity consumption enterprise, particularly large-scale specially change business to business electrical equipment is increasingly Pay attention to, further, be related to electricity consumption maintenance company to electricity consumption enterprise electrical equipment exception response speed and troubleshooting efficiency. In the prior art, by the real-time monitoring of power network monitoring terminal-pair power distribution room electric equipment operation state, when monitoring electric parameter Above or below setting threshold value when, monitoring terminal to each application end send alarm, although prison of this scheme for electrical equipment Police is observed and predicted to provide a method, but its in practical application still has problems with:Power system monitor server process data volume Huge, the time needed from data receiver processing to feedback electricity consumption maintenance company service end is longer, and on the other hand, electricity consumption maintenance is public Department is also required to time adjustment from alarm is received to allotment maintenance staff, and time utilization is insufficient, and response speed is slow.
Invention content
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, propose a kind of intelligent power distribution room monitoring system With reference to entire intelligent power distribution room monitoring system, it is different to electricity consumption enterprise electrical equipment to improve electricity consumption maintenance company for early warning alarm method Normal response speed and troubleshooting efficiency.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of early warning alarm method of intelligent power distribution room monitoring system, which is characterized in that include the following steps:
A. it monitors the parameter of power distribution room electrical equipment and is compared with the parameter threshold value of setting, the ginseng of the electrical equipment Measure the electric parameter or environment parameter for electrical equipment;
B. when the parameter value exception of the electrical equipment, to electricity consumption maintenance company service end and power system monitor server Send alarm prompt;
C. maintenance task is distributed at least one maintenance people in the electricity consumption maintenance company service end according to the alarm prompt Member's mobile terminal simultaneously feeds back to the power system monitor server;
The power system monitor server makes monitoring terminal unit exception point accident analysis, generates warning information;
D. the warning information is sent to the maintenance staff being deployed according to the feedback by the power system monitor server Mobile terminal;
E. step A, B, C, D are transferred to power system monitor server data during carrying out divide table rule to deposit by a point library In the power system monitor server accordingly main real time data table, main real time data table is independent data table for storage.
Further, monitoring terminal timing described in step C sends the parameter of electrical equipment to the power system monitor server Monitoring numerical value.
Further, the sending method of alarm prompt described in step B is sent by DTU digital transmission modules.
Further, the feedback described in step C includes the coding letter at least one maintenance staff's mobile terminal being deployed Breath, mission number.
Further, maintenance staff's mobile terminal described in step C is equipped with GIS-Geographic Information System, when receiving the power grid After the warning information of monitoring server the warning information is shown on corresponding electronic map geographical location.
Further, warning information described in step D includes abnormal failure geographical location longitude and latitude, address, prison Measuring point title, time of origin, duration, abnormal conditions and processing state.
Compared with prior art, the invention has the advantages that:
1) electricity consumption maintenance company service end and power system monitor server while by alarm prompt are sent to, is taken in power system monitor While device be engaged in abnormal failure anticipation, analysis, electricity consumption maintenance company has sufficient time allotment maintenance staff to perform task, fills Divide using the time, accelerate electricity consumption maintenance company to electricity consumption enterprise electrical equipment exception response speed;
2) power system monitor server divides table technology using a point library, fully considers the reasonable redundancy of data field, realizes main reality When tables of data externally " no table association " data model, realize real time data " storage is analyzed ", accelerate data processing response speed Degree in addition, by prejudging abnormal failure point, analyzing, is conducive to improve the processing effect that maintenance staff carry out breakdown repair Rate has striven for the time for staff's quick response, fault restoration, reduces Electricity customers because electrical equipment is for a long time in different Electric loss is used caused by under normal state.
Description of the drawings
It is the flow chart of the embodiment of the present invention as shown in Figure 1.
It is illustrated in figure 2 electronic map of embodiment of the present invention alarm schematic diagram.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only a point of embodiment of the invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment shall fall within the protection scope of the present invention.
The overall plan of the present invention is illustrated with an embodiment below.
A kind of early warning alarm method of intelligent power distribution room monitoring system, the intelligent power distribution room monitoring system include:
Monitoring terminal include signal receiving module, protection module, power module, DTU digital transmission modules, intelligent ammeter module, Temperature-humidity monitoring module.
Signal receiving module is connect with protection module, and intelligent ammeter module is connect with protection module, intelligent ammeter module, temperature Humidity monitoring module is connect by RS485 buses with DTU digital transmission modules, power module and intelligent ammeter module, temperature-humidity monitoring Module and the connection of DTU digital transmission modules, wherein:
Signal receiving module, for the signals such as the voltage, electric current and communication of equipment to be measured to be linked into hard ware measure And in communication loop, specifically, such as voltage signal is A/B/C three-phase voltages, current signal be A/B/C three-phase currents circuit, Signal of communication is the A+/B- signals of RS485.
Protection module, for filtering surge voltage, overcurrent except monitoring system, voltage, electric current when input etc. When in signal containing overvoltage, overcurrent, protection module action is cut off rapidly voltage, current signal, is prevented to intelligent electric meter mould Block, temperature-humidity monitoring module and DTU digital transmission modules damage.
Power module, for providing adaptation electricity for intelligent ammeter module, temperature-humidity monitoring module and DTU digital transmission modules Source meets the normal operation of hardware.
DTU digital transmission modules, for power system monitor server real-time Communication for Power, automatic regular polling acquisition intelligent ammeter module, temperature The data such as electric parameter, environment parameter that humidity monitoring module monitors, then by establishing with power system monitor server Data are uploaded to power system monitor server by SOCKET communications in time in a manner of encrypted.
Intelligent ammeter module, for the voltage that monitoring signals receiving module receives, current signal, and the number that gained will be monitored According to DTU digital transmission modules are sent to, real-time reception feeds back the communication instruction from power system monitor server.
Temperature-humidity monitoring module for monitoring the temperature and humidity of power distribution room environment, and the data for monitoring gained is sent To DTU digital transmission modules, real-time reception, communication instruction of the feedback from power system monitor server.
Power system monitor server, for receiving the Real-Time Parameter monitoring numerical value and alarm prompt and to it of monitoring terminal transmission It is parsed, operation, handles, store and transmit;
Power grid maintenance company service end for receiving the alarm prompt of monitoring terminal, is distributed maintenance according to alarm prompt and is appointed It is engaged in at least one maintenance staff's mobile terminal and feeds back to power system monitor server;
Mobile terminal, for receiving the warning information of power system monitor server transmission.
Monitoring modular, power system monitor server, power grid maintenance company service end are established the link with mobile terminal by network.
It is as shown in Figure 1 the flow chart in the embodiment of the present invention, performs following operation:
Step 101, it monitors the parameter of power distribution room electrical equipment and is compared with the parameter threshold value of setting.
In the present embodiment, the DTU digital transmission modules of monitoring terminal pass through RS485 buses and at least one electricity consumption monitoring equipment Connection, including electric parameter monitoring device, the connection of environment parameter monitoring device, the timing of DTU digital transmission modules is read each electricity consumption monitoring and is set Standby collected electric parameter or environment parameter numerical value, and by the electric parameter of reading or environment parameter numerical value and preset corresponding electricity Parameter or environment parameter threshold value are compared.Wherein, the electric parameter of each electricity consumption monitoring equipment or environment parameter numerical value being read It can finally be uploaded to by DTU digital transmission modules and storage is analyzed in power system monitor server.
Step 102, when the parameter value exception of the electrical equipment, to electricity consumption maintenance company service end and power system monitor Server sends alarm prompt.
In the present embodiment, when the electric parameter or environment parameter numerical value being read are above or below preset parameter threshold value When, monitoring terminal triggering alarm prompt, and pass through DTU digital transmission modules and the alarm prompt is sent to electricity consumption maintenance company service end And power system monitor server.It is intended that on the one hand, in practical applications, maintenance staff have respective maintenance task to hold Row, not necessarily in the state awaited orders, and the electrical equipment of electricity consumption enterprise is paroxysmal extremely, so electricity consumption maintenance company takes Business end needs the time to adjust from alarm prompt is received to allotment maintenance staff;On the other hand, handled by power system monitor server Data be magnanimity, from receive alarm prompt to the accident analysis to monitoring terminal unit exception point and inquiry it is different with equipment Often putting relevant information needs the time, and comprehensive two aspect to maintenance company service end and power system monitor server by sending simultaneously Alarm prompt can efficiently use the time, accelerate fault restoration process.
Step 103, maintenance task is distributed at least one in the electricity consumption maintenance company service end according to the alarm prompt Maintenance staff's mobile terminal simultaneously feeds back to the power system monitor server;The power system monitor server is different to monitoring terminal equipment Often point makes accident analysis, generates warning information.
In the present embodiment, electricity consumption maintenance company service termination generates corresponding mission number after receiving alarm prompt, and Maintenance task is assigned at least one standby maintenance staff's mobile terminal.Meanwhile by the mission number and The coding information of at least one maintenance staff's mobile terminal being deployed is fed back in power system monitor server, waits for power system monitor Server is responded and is sent to warning information at least one maintenance staff's mobile terminal being deployed;
Inquiry is with the relevant information of unit exception point and to monitoring terminal after power system monitor server receives alarm prompt Unit exception point carries out accident analysis, and generation warning information includes abnormal failure geographical location longitude and latitude, address, prison Measuring point title, time of origin, the duration, the information such as abnormal conditions and processing state, and wait for electricity consumption maintenance company service end Feed back maintenance task deployment information;
Wherein, power system monitor server divides table rule that the data of reception are stored in corresponding main real time data table by point library In, main real time data table is independent data table, i.e., main real time data table and other tables of data onrelevants.
Step 104, the warning information is sent to the dimension being deployed according to the feedback by the power system monitor server Guarantor person's mobile terminal.
In the present embodiment, when power system monitor server receives electricity consumption maintenance company service end feedback maintenance task allotment After information, according to mission number and the coding information of at least one maintenance staff's mobile terminal being deployed, by corresponding alarm Information is sent in the mobile terminal of at least one maintenance staff.
As shown in Fig. 2, maintenance staff's mobile terminal is equipped with GIS-Geographic Information System, when the announcement for receiving power system monitor server After alert information, according to abnormal failure geographical location longitude and latitude in warning information, on corresponding electronic map geographical location Display alarm information.

Claims (6)

1. a kind of early warning alarm method of intelligent power distribution room monitoring system, which is characterized in that include the following steps:
A. it monitors the parameter of power distribution room electrical equipment and is compared with the parameter threshold value of setting, the parameter of the electrical equipment is The electric parameter or environment parameter of electrical equipment;
B. it when the parameter value exception of the electrical equipment, is sent to electricity consumption maintenance company service end and power system monitor server Alarm prompt;
C. the electricity consumption maintenance company service end is distributed maintenance task according to the alarm prompt and is moved at least one maintenance staff Dynamic terminal simultaneously feeds back to the power system monitor server;
The power system monitor server makes monitoring terminal unit exception point accident analysis, generates warning information;
D. the warning information is sent to the maintenance staff being deployed according to the feedback and moved by the power system monitor server Terminal;
E. step A, B, C, D are transferred to power system monitor server data during carrying out divide table rule to be stored in by a point library For the power system monitor server accordingly in main real time data table, main real time data table is independent data table.
A kind of 2. early warning alarm method of intelligent power distribution room monitoring system according to claim 1, which is characterized in that step Monitoring terminal timing sends the parameter monitoring numerical value of electrical equipment to the power system monitor server described in C.
A kind of 3. early warning alarm method of intelligent power distribution room monitoring system according to claim 1, which is characterized in that step The sending method of alarm prompt described in B is sent by DTU digital transmission modules.
A kind of 4. early warning alarm method of intelligent power distribution room monitoring system according to claim 1, which is characterized in that step Feedback described in C includes the coding information of at least one maintenance staff's mobile terminal being deployed, mission number.
A kind of 5. early warning alarm method of intelligent power distribution room monitoring system according to claim 1, which is characterized in that step Maintenance staff's mobile terminal described in C is equipped with GIS-Geographic Information System, when the warning information for receiving the power system monitor server Afterwards the warning information is shown on corresponding electronic map geographical location.
A kind of 6. early warning alarm method of intelligent power distribution room monitoring system according to claim 1, which is characterized in that step Warning information described in D include abnormal failure geographical location longitude and latitude, address, monitoring point title, time of origin, continue Time, abnormal conditions and processing state.
CN201711498284.1A 2017-12-31 2017-12-31 A kind of early warning alarm method of intelligent power distribution room monitoring system Pending CN108134453A (en)

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CN201711498284.1A CN108134453A (en) 2017-12-31 2017-12-31 A kind of early warning alarm method of intelligent power distribution room monitoring system

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111060152A (en) * 2019-12-07 2020-04-24 国网山东省电力公司五莲县供电公司 Transformer box monitoring system and method based on Internet of things
CN111398734A (en) * 2020-03-24 2020-07-10 安徽中普防雷科技有限公司 Online monitoring and early warning system and method based on GIS map
CN112396275A (en) * 2019-08-19 2021-02-23 中移物联网有限公司 Power consumption monitoring method, system and computer readable storage medium
CN114194062A (en) * 2021-12-10 2022-03-18 北京世纪云安新能源有限公司 Charging protection method and device for charging pile, computer equipment and storage medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102088482A (en) * 2010-12-16 2011-06-08 山东电力集团公司东营供电公司 Safe operating and fault remote-positioning system for ring network cabinet
CN206471921U (en) * 2017-02-22 2017-09-05 江苏中浩电力工程有限公司 A kind of intelligent power distribution monitoring system
CN206517158U (en) * 2017-02-22 2017-09-22 江苏中浩电力工程有限公司 Intelligent power distribution monitoring system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102088482A (en) * 2010-12-16 2011-06-08 山东电力集团公司东营供电公司 Safe operating and fault remote-positioning system for ring network cabinet
CN206471921U (en) * 2017-02-22 2017-09-05 江苏中浩电力工程有限公司 A kind of intelligent power distribution monitoring system
CN206517158U (en) * 2017-02-22 2017-09-22 江苏中浩电力工程有限公司 Intelligent power distribution monitoring system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
黎文安 等: "《泵站计算机综合自动化技术》", 30 September 2015, 武汉大学出版社 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112396275A (en) * 2019-08-19 2021-02-23 中移物联网有限公司 Power consumption monitoring method, system and computer readable storage medium
CN111060152A (en) * 2019-12-07 2020-04-24 国网山东省电力公司五莲县供电公司 Transformer box monitoring system and method based on Internet of things
CN111398734A (en) * 2020-03-24 2020-07-10 安徽中普防雷科技有限公司 Online monitoring and early warning system and method based on GIS map
CN114194062A (en) * 2021-12-10 2022-03-18 北京世纪云安新能源有限公司 Charging protection method and device for charging pile, computer equipment and storage medium
CN114194062B (en) * 2021-12-10 2023-12-26 北京世纪云安新能源有限公司 Charging pile charging protection method, device, computer equipment and storage medium

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Application publication date: 20180608

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