CN205792639U - Quickly detect based on rural power grids fault and telegram in reply system - Google Patents
Quickly detect based on rural power grids fault and telegram in reply system Download PDFInfo
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- CN205792639U CN205792639U CN201620632799.0U CN201620632799U CN205792639U CN 205792639 U CN205792639 U CN 205792639U CN 201620632799 U CN201620632799 U CN 201620632799U CN 205792639 U CN205792639 U CN 205792639U
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Abstract
This utility model relates to quickly detecting based on rural power grids fault and telegram in reply system, it includes metering automation system and communication interface and terminal, also include alarm module, its Data Source processed is in metering automation system, marketing management system, and the data feedback of process is in low-voltage comprehensive AMS；Terminal includes Distribution transformer, concentrator and metering units group, and the minimum detection voltage of the voltage detection module of concentrator is 10V；Distribution transformer, concentrator are respectively provided with the wireless communication module with metering automation system communication and periodically carry out data communication with metering automation system, and distribution transforming detection terminal heart beat cycle is 15 minutes, and concentrator heart beat cycle is 5 minutes.This utility model is by software in existing concentrator of upgrading and improves metering automation system interface, shortens concentrator and ammeter data interaction cycle, alarm precision is subdivided into four kinds, is conducive to sending different attendant, makes realization actively rapid rush-repair.
Description
Technical field
This utility model relates to power information communication technique field, is specifically related to one and quickly examines based on rural power grids fault
Survey and the system of telegram in reply, belong to electrical equipment technical field.
Background technology
Low-voltage network generally refers to from the total way switch of distribution transformer low-pressure side (rated voltage is 400v) to electricity consumption visitor
The power circuit general name of family electric power meter, it is that in electric power networks, electric pressure is minimum, quantity is the hugest, running environment
Badly and residential electricity consumption contacts the most direct part.
Power and in electric power first-aid task, for unplanned power-off event, it is necessary to by user at conventional Rural Low-Voltage Power Network
Just by row's repairing after being reported for repairment by 95598 phones, this phone reports for repairment and arranges the flow process intermediate link of repairing more too much, not only allows
Power supply administration is in passive situation, and user and 95598 customer services result in the weight of breakdown repair to the uncertainty of breakdown judge
Send work again, result in relatively low CSAT.
Metering automation system is the system that the power information to power consumer is acquired, processes and monitors, and its collection is existing
It is integrated for digital communication technology, computer hardware technique, Electric Energy Metering Technology, can information comprehensive to need for electricity side
Gather and analyzing and processing.It is with public mobile communications network and electric power dedicated communications network for primary communications carrier, with movement
Wireless, optical networking is supplemental communication carrier, by multiple communication modes realize component computer main website and situ metrology terminal it
Between data communication.
The unified platform of metering automation system gathers the Various types of data such as each special change, public change and low-voltage customer, except meeting
Outside automatic coppying meter, to the monitoring of electrical network, power utility check, electric energy quality monitoring, load management, Controlling line loss, demand side pipe
Reason decision-making both provides very important data and foundation.
There is following defect in existing metering automation system, low-voltage collecting meter reading system:
Metering automation system provides the communication of Distribution transformer and management platform by utilizing intelligent wireless network
Channel, city net or Rural Low-Voltage Power Network distribution transformer are monitored and data acquisition by system.By the installation of Distribution transformer,
Although in metering automation system main website the voltage of distribute-electricity transformer district, electric current can gather, the electricity consumption situation of monitoring distribution transforming, but at present
Distribution transformer was every 15 minutes and the mutual secondary data of main website, and Distribution transformer can be automatic when distribution transformer has a power failure
Generate alarm event notice metering automation system, the announcement that current metering automation system can be uploaded according to Distribution transformer
Police's event and the power-off event data by subsequent analysis statistics appearance district, shortcoming is that this analysis often talent adds up once.
Low-voltage collecting meter reading system is to use low pressure spread spectrum mechanics of communication and the Computer Applied Technology such as carrier wave, RS485 bus, collection
Low-voltage network electric energy meter data acquisition, transmit, be processed as one automatization's Electric Power Metering Management System.Mainly realize
Access user's electric energy meter of this system implement perfect automatic remote check meter, the power information such as the monitoring of measuring equipment working condition
Analysis and grasp, provide high-quality electricity and electric power data etc. to system, thus divide for the data such as other analysis of electric power consumption
Analysis business provides foundation.The resident of the little zone type in city, its metering electric energy meter is concentrated very much, it is possible to use with the electricity of 485 communications
Minor electric energy meter measures, and centralized automatic meter-reading device carries out data acquisition by RS485 connection to electric energy meter.And for living
Relatively scattered small towns, needs to use carrier electric energy meter to measure user, and concentrator gathers carrier electric power by electric lines of force
Table data.Main website gathers the data of concentrator by mechanicss of communication such as GPRS wireless network, CATV, reaches the purpose checked meter.
Existing concentrator carries out online connection with the communication cycle every 15 minutes with metering automation system, once measures
At two all after dates, automated system finds that concentrator will be called together survey with inspection by heart beating frame automatically that do not receive concentrator
Survey tunnel condition, if metering automation system detects that passage cannot use, i.e. may determine that the concentrator of correspondence goes offline.But
These data are not stored by metering automation system, are only temporarily stored in server memory.Metering automation system is permissible
Concentrator online hours and not online hours are added up by the quantity receiving concentrator heart beating frame for statistically one day.
Owing to concentrator in house software limits, existing concentrator does not the most possess and stops Terminal Alert functions such as powering on.Due to
The characteristic of low pressure carrier wave technology Channel Sharing and the complexity of low-voltage distribution web frame and the time variation of load, in low-voltage platform area
In account, community account pattern is " concentrator-harvester-ammeter ", and rural area account pattern is " concentrator-ammeter ".So mesh
Ammeter is not divided in the way of branch line or ammeter box by Qian Tai district following account information.
Metering automation system, with the data interaction of concentrator, is not belonging to the data in the range of stipulations and cannot be carried out handing over
Mutually.Such as, metering automation system can carry out emphasis when concentrator issues ammeter archives to some ammeter by upgrading
The mark of electric supply meter, but metering automation system concentrator cannot be issued one not in the range of stipulations " measure ammeter
Group " ammeter file data.
The power failure alarm equipment that branch line below existing rural power grids platform district is not correlated with.Metering automation system can at present
Stop, with gather in time Distribution transformer, the alarm event that powers on, but the alarm of Distribution transformer is only capable of as whole low-voltage platform
The reference data that district has a power failure.Owing to the data of the branch portion below current metering automation system acquisition platform district are mainly used in collection
Copying, it is relatively low that the requirement to Real-time Collection copied by collection, so the accident analysis of ammeter is only copied number at collection by metering automation system at present
Just carry out according to after passing back to server end, due to the hysteresis quality (ammeter data gather once a day) of data analysis, all only adopt
With collecting the data copied, low-voltage circuit is alerted the timeliness required by the project of not reaching.
(metering automation system and terminal, the number of ammeter can not be such as reduced by the method only revising server
According to interaction cycle) realize the problem that the power failure of the following circuit in platform district and equipment alerts.To realize the following circuit in platform district and equipment
Power failure alarm, original imagination be by server end shorten metering automation system acquisition ammeter data cycle realize
The judgement the most online to ammeter.Even if but the part ammeter on the following branch line in Jin Duitai district shortens collection period, such as
By the cycle time of collection to 15 minutes, it is contemplated that collection period shortening can cause concentrator to produce mass data with main website
Campus network, and the consequence that the stability that existing metering automation system collection is copied can be interfered, so by only revising clothes
It is worthless that the method for business device end program realizes the power failure alarm of the following circuit in platform district and equipment.
Utility model content
Quickly detect and send a telegram in reply new technique for research and development low voltage electric network, particularly rural power grids fault, solve low-voltage power line
The problem of the power failure automatic alarm of road, equipment and related facility, provides safeguard for low-voltage power reliability service.This utility model leads to
Crossing and model low pressure rural power grids platform district, utilize collection Distribution transformer stops the event of powering in real time, shortens concentrator heart beating
Cycle also gathers concentrator heartbeat data, and gather concentrator stops upper electric alarm, failure alarm event of checking meter in real time, in conjunction with marketing
The scheduled outage information of management system, User Profile information, platform district account information are comprehensively analyzed, it is achieved low tension netting twine
Road occurs after power-off fault location ammeter the most step by step to have a power failure, measures ammeter group powers failure, concentrator fault, the power failure of platform district entirety
Target.To passively rush to repair change actively repairing.To achieve these goals, the technical scheme that the utility model proposes is as follows:
Quickly detect based on rural power grids fault and telegram in reply system, at least include metering automation system and itself and low-voltage comprehensive
Close AMS, the communication interface of marketing management system and terminal, it is characterised in that:
This detection and telegram in reply system also include terminal have a power failure, power on, the alarm module of failure of checking meter, its data processed are come
Coming from metering automation system, marketing management system, the data feedback of process is in low-voltage comprehensive AMS；
Described terminal includes Distribution transformer, concentrator and metering units group, the voltage detecting mould of described concentrator
The minimum detection voltage of block is 10V；Distribution transformer, concentrator can be with communication modules such as GPRS；
Described Distribution transformer, concentrator are respectively provided with the wireless communication module with metering automation system communication week
Phase property and metering automation system carry out data communication, and the heart beat cycle of Distribution transformer is 15 minutes, the heart beating of concentrator
Cycle is 5 minutes.
Quickly detect based on rural power grids fault and telegram in reply system be a subsystem of low-voltage comprehensive AMS,
The Data Source processed is in metering automation system, marketing management system, and the data feedback of process is in low-voltage comprehensive application management
System, metering automation system is that the power information to power consumer is acquired, processes and the system of terminal monitoring, it is achieved use
The function systems such as the collection automatically of electrical information, metering exception monitoring, electric energy quality monitoring, electrical energy consumption analysis and management；Described battalion
Pin pipe reason system is that power marketing work is carried out the integrated information system of electronic management, mainly include Business Process System management,
Customer record management, electricity charge accounting management, electricity charge toll administration, electric energy measuring management, safety utilization of electric power and power utility check, line loss and
The functions such as electric quantity balancing management, customer service.Described low-voltage comprehensive AMS is all often to below 400V low pressure
The total management system of rule business.Include that low pressure makes an inspection tour management, low pressure recording, checking, and charging management, Low-voltage Line Loss management, low pressure use at present
The functions such as inspection management, low-temperature measurement automated management, shift management.
This detection and telegram in reply system have terminal have a power failure, power on, the alarm module of failure of checking meter, the data of this alarm module
Deriving from terminal, data acquisition is in metering automation system.
In order to improve technique scheme, following technical characteristic can be increased further:
Described concentrator is I type concentrator, and described metering units is carrier electric energy meter, and carrier electric energy meter is arranged on list
Electrically connect and carry out data interaction, described metering units group's quantity with I type concentrator in the electric energy metering box of position and by electric lines of force
Less than 1024.Described metering units group's quantity is typically smaller than 400.Region relatively decentralized for rural power grids user, I type is concentrated
Hanging most 1024 of ammeter under device, actual installation is usually 200 ~ 300, but nonetheless, by low voltage power line carrier skill
Art time all electric energy meters of detection are also required to time-consuming 2 ~ 3 hours, as the improvement to existing equipment, use I type concentrator to make
Using existing electric energy meter, improvement cost is low.
Also can further optimisation technique scheme as follows:
Described concentrator is I type concentrator, and described metering units is RS-485 electric energy meter, and RS-485 electric energy meter is concentrated
Then electrically connect and carry out data interaction, I type with carrier acquisition device by RS-485 cable in being arranged on multidigit electric energy metering box
Concentrator electrical connection carrier acquisition device, the data of collection are carried out with I type concentrator by carrier acquisition device by power carrier mode
Data interaction, described metering units group's quantity is less than 32.Rural power grids user concentrated area, such as cell environment, can use
This modification scheme.
May be used without another optimisation technique scheme as follows:
Described concentrator is II type concentrator, and described metering units is RS-485 electric energy meter, RS-485 electric energy meter collection
In be arranged in multidigit electric energy metering box and then electrically connect and carry out data interaction, institute with II type concentrator by RS-485 cable
The metering units group's quantity stated is less than or equal to 32.II type concentrator maximum installs 32 electric energy meters, due to RS485 line side alternately
Formula is ageing the best, and this II type concentrator band GPRS module, gathers electric energy meter data also only 1 ~ 2 point in an ammeter box
Clock, ageing by force, therefore II type concentrator can be by the range shorter of breakdown judge to single ammeter.
Therefore, for the aggregate users such as community, this measures ammeter group is exactly with a carrier acquisition device or one
II type concentrator is the subordinate electric energy meter group of acquisition units；For region the most scattered for user in rural area, this is measured
Ammeter group is exactly the emphasis user electric energy meter group chosen for monitoring transformator backbone fault, from the leading portion of backbone,
Section, latter end take 4-6 the emphasis user's electric energy meter (at least 3 electric energy meters are as standby) the measurement weight as this backbone respectively
Point user's electric energy meter (prioritizing selection power load is relatively large, the relatively easy user observing electric energy meter reading), after so arranging
The topology network architecture of digital independent is optimized, and reads quantity and reduces, shortens the monitoring time, can determine the most accurately
Fault coverage.
It is insecure for being less than, with line voltage, the foundation that the 60% of rated voltage is terminal power failure.Because rural power grids are deposited
In the feature that voltage pulsation is bigger, circuit instantaneous voltage can be down to 90V or following well below starting voltage 60%.So this
The bright middle threshold modifying that concentrator generates power-off event is 10V, and judges on concentrator before concentrator generates the event that powers on
Secondary stops whether the event of powering on is power-off event, to avoid generating the event that repeatedly powers on.Actual environment only there may exist
The situation that phase line disconnects, and concentrator still can detect that weak voltage (generally less than 10V) in this case, therefore concentrator voltage
The acquiescence minimum detection voltage of detection module is 10V.
In such scheme:
Distribution transformer, this terminal is public distribution transformer comprehensive monitoring terminal, it is achieved the public side energy information that becomes is adopted
Collection, including data acquisition for electric energy, distribution transformer monitoring running state, power quality is monitored, and the data to collection
Realize management and remote transmission, simultaneously can be with functions such as integrating metrology, the voltage examinations of platform district.
I type concentrator, this terminal is in units of transformer platform area, by low voltage power network channel or wireless channel to platform district
In all kinds of carrier wave metering units, the information of carrier acquisition device, store and control, by long-range common channel and meter
The equipment of amount automated system exchange data；
II type concentrator, this terminal is to be adopted by the information of RS-485 cable with all kinds of RS-485 metering units
Collect, store and control, by the equipment of long-range common channel Yu metering automation systems exchange data.
Metering units is electric energy meter, is divided into carrier electric energy meter and RS-485 electric energy meter.
Described metering automation system includes automatically gathering, measure exception monitoring, electric energy quality monitoring, electrical energy consumption analysis and
Management functional module.
Its physical location of described alarm module lays respectively at the computer server of metering automation system, communication is led to
Road, concentrator, Distribution transformer and metering units.
Described Distribution transformer has a power failure and upper electric alarm frame data, concentrator heart beat cycle frame data, concentrator stop
Electric and upper electric alarm frame data, concentrator failure alarm frame data of checking meter report metering automation system.
Described metering automation system also includes interface server, front-collection server, fire wall and router.
Quickly detect based on rural power grids fault and the concentrator detection method of system of sending a telegram in reply:
Described concentrator is II type concentrator；
A. quickly detect based on rural power grids fault and telegram in reply system records the GPS position information of electric energy meter group；
B. the heart beat cycle of concentrator is set to 5 minutes；
C. concentrator subordinate electric energy meter forms a measurement electric energy meter group, and alarm logic is as follows: concentrator detects outside
Alternating voltage is equal to 10 volts, and concentrator generates self power-off event and automatically reports metering automation system；When concentrator detects
External communication voltage is more than the 60%(concentrator normal working voltage of rated voltage) and to stop the event of powering on be power failure thing the last time
Part, concentrator generates and self powers on event and this event is reported metering automation system automatically；
D. with 3 minutes data interaction situations for cycle detection subordinate's electric energy meter after concentrator normally works, every 3 cycles
Adding up a concentrator and electric energy meter interaction scenario, if there is the electric energy meter N that continuous 3 cycle equal data interactions are failed, then collecting
Middle device generates the turkey of checking meter comprising electric energy meter N and is automatically reported to metering automation system.
Another kind quickly detects and the concentrator detection method of system of sending a telegram in reply based on rural power grids fault:
Described concentrator uses I type concentrator；
A. the some emphasis users on every backbone of power taking net form a measurement electric energy meter group, based on rural power grids event
Barrier quickly detection and telegram in reply system record the GPS position information of electric energy meter group；
B. the heart beat cycle of concentrator is set to 5 minutes；
C. detect that external communication voltage is 10 volts when concentrator, concentrator generate power failure alarm event and by this event from
Move and be reported to metering automation system；When concentrator detects that external communication voltage is normal more than the 60%(concentrator of rated voltage
Running voltage) and to stop the event of powering on be power-off event the last time, concentrator generates the alarm event by automatic for this event of powering on
Be reported to metering automation system；
D. the data interaction situation of emphasis user's electric energy meter is detected after concentrator normally works successively with 5 minutes for the cycle；
Every 3 detection cycles add up a concentrator and electric energy meter interaction scenario, if there is continuous 3 cycle equal data interactions failure
Electric energy meter N, then concentrator generates the turkey of checking meter comprising electric energy meter N and is automatically reported to metering automation system.
Native system is by the software upgraded in existing concentrator and improves metering automation system interface, thus optimizes low
The network structure of voltage electric grid, reduces the electric energy meter quantity that each concentrator is responsible for, shortens the data of concentrator and electric energy meter simultaneously
Interaction cycle, increases the alarming mechanism within concentrator, thus makes metering automation system can gather concentrator in time actively
The alarm uploaded and heartbeat message (information in communication cycle), the warning information of Distribution transformer are transmitted to low-voltage comprehensive should
By management system, native system combines the letters such as the forwarding information from metering automation system, the GPS information of equipment, scheduled outage
Breath carries out the comprehensive analysis alerted, and can alarm precision be divided into according to different terminal connection methods: ammeter alarm for power-off, measurement
Ammeter group's alarm for power-off, concentrator fault warning, platform district alarm for power-off.And then the rapid rush-repair of driving low voltage failure, make power failure
Repairing can realize from equipment to branch office, then to repair personnel and the connection of user, the alarm result of refinement is conducive to sending
Different attendants, makes actively rapid rush-repair become a reality.
Accompanying drawing explanation
Fig. 1 is network architecture diagram of the present utility model；
Fig. 2 is application architecture figure of the present utility model；
Fig. 3 is that terminal of the present utility model is connected figure with ammeter；
Fig. 4 is measurement ammeter group model figure of the present utility model
Fig. 5 is the alert analysis logical flow chart of II type concentrator of the present utility model；
Fig. 6 is the alert analysis logical flow chart of I type concentrator of the present utility model；
Fig. 7 is the system failure alert analysis flow process that quickly detects based on rural power grids fault and send a telegram in reply of the present utility model
Figure；
Fig. 8 is that cross-system of the present utility model alarm judges and process chart.
Detailed description of the invention
Technological means in order to make this utility model realize is easy to understand with functional effect, below in conjunction with embodiment pair
The present invention is described further.
As it is shown in figure 1, system of the present utility model can use the following network architecture:
Quickly detect based on rural power grids fault and telegram in reply system, at least include metering automation system and itself and low-voltage comprehensive
Close AMS, the communication interface of marketing management system and terminal, this detection and telegram in reply system also include terminal have a power failure,
Power on, the alarm module of failure of checking meter, its process Data Source in metering automation system, marketing management system, process
Data feedback is in low-voltage comprehensive AMS；Described terminal includes Distribution transformer, concentrator and metering units group,
The minimum detection voltage of the voltage detection module of described concentrator is 10V, and Distribution transformer, concentrator can be with GPRS etc.
Communication module；Described Distribution transformer, concentrator are respectively provided with the wireless communication module with metering automation system communication also
Periodically carrying out data communication with metering automation system, the heart beat cycle of Distribution transformer is equal to 15 minutes, concentrator
Heart beat cycle is equal to 5 minutes.The physical connection of concentrator and electric energy meter can be according to the specific environment following 3 kinds of connected modes of employing:
A, concentrator are I type concentrator, and metering units is carrier electric energy meter, and carrier electric energy meter is arranged in unit of electrical energy table case and passes through
Electric lines of force electrically connects with I type concentrator and carries out data interaction.B, concentrator are I type concentrator, and metering units is RS-485 electricity
Energy table, RS-485 electric energy meter is installed concentratedly and is then electrically connected with carrier acquisition device by RS-485 cable in multidigit electric energy metering box
Connecing and carry out data interaction, I type concentrator electrical connection carrier acquisition device, the data of collection are passed through power carrier by carrier acquisition device
Mode and I type concentrator carry out data interaction.C, concentrator are II type concentrator, and described metering units is RS-485 electric energy
Table, RS-485 electric energy meter is installed concentratedly and is then electrically connected with II type concentrator by RS-485 cable in multidigit electric energy metering box
And carrying out data interaction, described metering units group's quantity is less than or equal to 32.Its physical location of alarm module lays respectively at meter
The amount computer server of automated system, communication port, concentrator, Distribution transformer and metering units.Metering is automatically
Change system also includes interface server, front-collection server, fire wall and router and automatically gathers, measures abnormal prison
Survey, electric energy quality monitoring, electrical energy consumption analysis and management functional module.Distribution transformer has a power failure and upper electric alarm frame data, concentration
Device heart beat cycle frame data, concentrator have a power failure and upper electric alarm frame data, concentrator are checked meter, and failure alarm frame data report meter
Amount automated system.
During work, alarm data that terminal is uploaded in real time by metering automation system by interface and the beats of concentrator
It is transmitted to low-voltage comprehensive AMS according to after resolving；Marketing management system is periodically by platform district account data, user data, meter
Draw the data-pushings such as the power failure middle database to low-voltage comprehensive AMS.
As in figure 2 it is shown, application architecture schematic diagram of the present utility model explanation:
(1) presentation layer: unified service application operation interface and information impression window are provided, are that system region be directly facing operation
The part of user.
(2) application layer: realize concrete service logic, is the core layer of system main website.
(3) service layer: the Component service supports such as business service, security service that the overall situation is general are provided, and realize native system
Special service logic service, provides general technical support for operation layer.
(4) data Layer: realize the storage of magnanimity information, access, arrange, for the management support of systems with data.Data
Layer is realized by large-scale relevant database.
As it is shown on figure 3, platform district terminal is as follows with the connection of ammeter:
The public transformator that becomes under platform district is monitored by Distribution transformer, and I type concentrator is typically mounted at distribution transformer monitoring
Near terminal, I type concentrator is responsible for the carrier wave measuring equipment (carrier electric energy meter) under this TV station district is carried out data acquisition and forwarding,
II type concentrator is typically mounted near the ammeter box of community, and II type concentrator is responsible for entering the RS485 measuring equipment of this community
Row data acquisition and forwarding.Distribution transformer and concentrator all have can be by GPRS module and metering automation system number
According to alternately.One Ge Tai district both can only have I type concentrator also can only have II type concentrator, or the mixing of two kinds of equipment.
As shown in Figure 4, platform section model is descending successively: platform district, measurement ammeter group, ammeter.Measure ammeter group to be divided into
Two kinds, the first is that ammeter is managed concentratedly by the mode using ammeter box, and which is by installing inside ammeter box
Ammeter is managed collectively by the way of RS485 line by one II type concentrator, and the ammeter of this II type concentrator management is just
Merge and become a measurement ammeter group, quickly detect based on rural power grids fault and telegram in reply system can be concentrated by obtaining II type
The real-time alarm data of device analyzes ammeter power failure alarm, measurement ammeter group has a power failure alarm or II type concentrator fault warning；
The second is for the most scattered situation of user, and scattered ammeter is managed collectively, at every by an I type concentrator
Before backbone, in, latter end take 1-3 ammeter respectively as emphasis electric supply meter, the emphasis selected on this backbone is used
Family ammeter is integrated becomes a measurement ammeter group, quickly detects based on rural power grids fault and telegram in reply system can be by obtaining
Take the failure alarm data of checking meter in real time of I type concentrator to analyze measurement ammeter group and have a power failure alarm.For whole district, based on
Rural power grids fault quickly detects and telegram in reply system is by obtaining Distribution transformer and the real-time alarm data of subordinate's concentrator
Analyze the power failure alarm in whole district.
Quickly detect based on rural power grids fault and the concentrator detection method of system of sending a telegram in reply as it is shown in figure 5, a kind of
Described concentrator is II type concentrator；
A. quickly detect based on rural power grids fault and telegram in reply system records the GPS position information of electric energy meter group；
B. the heart beat cycle of concentrator is set to 5 minutes；
C. concentrator subordinate electric energy meter forms a measurement electric energy meter group, and alarm logic is as follows: concentrator detects outside
Alternating voltage is equal to 10 volts, and concentrator generates self power-off event and automatically reports metering automation system；When concentrator detects
External communication voltage is more than the 60%(concentrator normal working voltage of rated voltage) and to stop the event of powering on be power failure thing the last time
Part, concentrator generates and self powers on event and this event is reported metering automation system automatically；
D. with 3 minutes data interaction situations for cycle detection subordinate's electric energy meter after concentrator normally works, every 3 cycles
Adding up a concentrator and electric energy meter interaction scenario, if there is the electric energy meter N that continuous 3 cycle equal data interactions are failed, then collecting
Middle device generates the turkey of checking meter comprising electric energy meter N and is automatically reported to metering automation system.
As shown in Figure 6, another kind quickly detects and the concentrator detection method of system of sending a telegram in reply based on rural power grids fault:
Described concentrator uses I type concentrator；
A. the some emphasis users on every backbone of power taking net form a measurement electric energy meter group, based on rural power grids event
Barrier quickly detection and telegram in reply system record the GPS position information of electric energy meter group；
B. the heart beat cycle of concentrator is set to 5 minutes；
C. detect that external communication voltage is 10 volts when concentrator, concentrator generate power failure alarm event and by this event from
Move and be reported to metering automation system；When concentrator detects that external communication voltage is normal more than the 60%(concentrator of rated voltage
Running voltage) and to stop the event of powering on be power-off event the last time, concentrator generates the alarm event by automatic for this event of powering on
Be reported to metering automation system；
D. the data interaction situation of emphasis user's electric energy meter is detected after concentrator normally works successively with 5 minutes for the cycle；
Every 3 detection cycles add up a concentrator and electric energy meter interaction scenario, if there is continuous 3 cycle equal data interactions failure
Electric energy meter N, then concentrator generates the turkey of checking meter comprising electric energy meter N and is automatically reported to metering automation system.
As it is shown in fig. 7, quickly detect based on rural power grids fault and the comprehensive analysis of system of sending a telegram in reply is as follows.
For using the measurement ammeter group of I type concentrator, quickly detect based on rural power grids fault and telegram in reply system is by one
In it more than 20 times check meter failure alarm same ammeter delete (by emphasis user's table from the archives of the emphasis user in platform district
Revert to domestic consumer's ammeter), and (setting up measurement ammeter group when, many foundation is several standby heavy to arrange other ammeter
Point electric supply meter) (after archives pass to metering automation system, metering automation system automatically issue as emphasis electric supply meter
To concentrator).
Disturbing due to signal lag etc., the alarm data in district passes to based on rural power grids fault quick the most simultaneously on the same stage
Detection and telegram in reply system.Quickly detect based on rural power grids fault and each the alarm data received all is deposited by telegram in reply system
Quickly detecting and in the cache pool of system of sending a telegram in reply based on rural power grids fault, quickly detect based on rural power grids fault and send a telegram in reply
The alarm data that system carries out district on the same stage in every 5 minutes to the alarm data inside cache pool contrasts (to be removed one time for every 5 minutes
Alarm data in cache pool), finally according to being defined below being analyzed (other events combine knowledge base and analyze), alert number
According to and judged result as shown in the table:
The alarm principle of concentrator all carries out alarm by stipulations requirement and judges.It is combined in the early stage of distribution transformer monitoring and metering system
Investigation, the interference running into Terminal Alert information can process as follows:
Measure electric energy meter group powers failure judge according to II type concentrator self stop the event of powering on or I type concentrator periodicity
The communication conditions of the ammeter in ammeter group is measured in ground detection.Due to the unstability of carrier communication, there is following redundancy analysis, with rule
Keep away the false judgment caused because of carrier signal unstable characteristic.
1, for the power-off event of concentrator, the power failure alarm triggered threshold values of concentrator is low by original external communication voltage
External communication voltage is changed into equal to 10 volts, it is to avoid because voltage ripple of power network causes false alarm in 60%Un.
2, for concentrator, concentrator three the detection cycles continuous to ammeter all do not collect data and just generate the electricity of correspondence
Table is checked meter turkey, it is to avoid because Communication causes false alarm.
3, quickly detect based on rural power grids fault and telegram in reply system selects other emphasis electric supply meter to replace I type
Concentrator is upper in one day passes on the emphasis electric supply meter of 20 turkeies of checking meter (by metering automation system automatically to concentration
Device issues mark, indicates that this ammeter is that the mode of domestic consumer or emphasis user realizes), it is to avoid because of the instability of carrier communication
Cause false alarm.
4, for the measurement ammeter group under I type concentrator, quickly detecting based on rural power grids fault and telegram in reply system is sentenced
Inside disconnected logic, in needs satisfied measurement ammeter group, all emphasis electric supply meters are just sentenced under conditions of all there is turkey of checking meter
Location survey electrometer group has a power failure, it is to avoid because the instability of carrier communication causes false alarm.
5, for whole district's power-off, need to meet Distribution transformer generation power-off event, and this TV station district exists 85%
Concentrator generation power-off event, it is to avoid because the factors such as indivedual concentrator damages cause false alarm.
Such as the cross-system data interaction figure that Fig. 8 is each system, its step is as follows:
A, quickly detect based on rural power grids fault and telegram in reply system will need monitoring terminal and emphasis files on each of customers lead to
Cross interface and be handed down to metering automation system.
B, metering automation system monitor corresponding terminal and the emphasis use updating in I type concentrator according to the archives accepted
Family archives.
Alarm data that counterpart terminal is uploaded by C, metering automation system and heartbeat data are transmitted to based on agriculture after resolving
Village's electric network fault quickly detects and telegram in reply system.
D, marketing management system periodically by the corresponding scheduled outage information in platform district, platform district archive information, terminal file information,
User Profile information, ammeter archive information, repair personnel's archive information are pushed to the mediant of low-voltage comprehensive AMS
According to storehouse.
E, quickly detect based on rural power grids fault and telegram in reply system combines warning information and middle database data carry out intelligence
Alarm judges and generates repairing work order, and work order comprises fault type and abort situation.
The repairing work order generated is sent to value by the way of note and APP propelling movement by F, low-voltage comprehensive AMS
The repairing staff of class carries out breakdown repair and fast power restoration operation.
Above are only specific embodiment of the utility model, but design concept of the present utility model is not limited thereto, all
Utilize this design that this utility model carries out the change of unsubstantiality, the row invading this utility model protection domain all should be belonged to
For.
Claims (8)
1. quickly detect based on rural power grids fault and telegram in reply system, at least include metering automation system and itself and low-voltage comprehensive
The communication interface of AMS and terminal, it is characterised in that:
This detection and telegram in reply system also include terminal have a power failure, power on, the alarm module of failure of checking meter；
Described terminal includes Distribution transformer, concentrator and metering units group, the voltage detection module of described concentrator
Minimum detection voltage is 10V；
Described Distribution transformer, concentrator are respectively provided with and the wireless communication module of metering automation system communication；
Described Distribution transformer and concentrator periodically carry out data communication, Distribution transformer with metering automation system
Heart beat cycle be 15 minutes, the heart beat cycle of concentrator is 5 minutes.
The most according to claim 1 quickly detect based on rural power grids fault and telegram in reply system, it is characterised in that described
Concentrator is I type concentrator, and described metering units is carrier electric energy meter, and carrier electric energy meter is arranged in unit of electrical energy table case also
Electrically connecting and carry out data interaction by electric lines of force with I type concentrator, described metering units group's quantity is less than 1024.
The most according to claim 1 quickly detect based on rural power grids fault and telegram in reply system, it is characterised in that described
Concentrator is I type concentrator, and described metering units is RS-485 electric energy meter, and RS-485 electric energy meter is installed concentratedly at multidigit electric energy
Then electrically connecting and carry out data interaction with carrier acquisition device by RS-485 cable in table case, I type concentrator is electrically connected and carries
Ripple harvester, the data of collection are carried out data interaction by power carrier mode and I type concentrator by carrier acquisition device, described
Metering units group's quantity is less than 32.
The most according to claim 1 quickly detect based on rural power grids fault and telegram in reply system, it is characterised in that described
Concentrator is II type concentrator, and described metering units is RS-485 electric energy meter, and RS-485 electric energy meter is installed concentratedly at multidigit electricity
Then can electrically connect and carry out data interaction, described metering units group with II type concentrator by RS-485 cable in table case
Quantity is less than 32.
5. according to quickly detecting based on rural power grids fault and telegram in reply system described in any claim of 1-4, it is characterised in that
Described metering automation system includes automatically gathering, measuring exception monitoring, electric energy quality monitoring, electrical energy consumption analysis and management function
Module.
The most according to claim 5 quickly detect based on rural power grids fault and telegram in reply system, it is characterised in that described
Its physical location of alarm module lays respectively at the computer server of metering automation system, communication port, concentrator, distribution transforming prison
Survey terminal and metering units.
The most according to claim 6 quickly detect based on rural power grids fault and telegram in reply system, it is characterised in that described
Distribution transformer has a power failure and upper electric alarm frame data, concentrator heart beat cycle frame data, concentrator power failure and upper electric alarm frame
Data, concentrator check meter failure alarm frame data report metering automation system.
The most according to claim 6 quickly detect based on rural power grids fault and telegram in reply system, it is characterised in that described
Metering automation system also includes interface server, front-collection server, fire wall and router.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915398A (en) * | 2016-06-24 | 2016-08-31 | 广西电网有限责任公司南宁供电局 | Rapid fault detection and power recovery system based on rural power network, and concentrator detection method thereof |
| CN111505373A (en) * | 2020-06-08 | 2020-08-07 | 广东电网有限责任公司 | Meter reading monitoring device and method for electric energy meter |
| CN112379870A (en) * | 2020-11-16 | 2021-02-19 | 广东电网有限责任公司电力调度控制中心 | Intelligent terminal software architecture and control method thereof |
| CN113380016A (en) * | 2021-06-09 | 2021-09-10 | 贵州电网有限责任公司 | Metering automation system based on handheld device and use method thereof |
-
2016
- 2016-06-24 CN CN201620632799.0U patent/CN205792639U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915398A (en) * | 2016-06-24 | 2016-08-31 | 广西电网有限责任公司南宁供电局 | Rapid fault detection and power recovery system based on rural power network, and concentrator detection method thereof |
| CN111505373A (en) * | 2020-06-08 | 2020-08-07 | 广东电网有限责任公司 | Meter reading monitoring device and method for electric energy meter |
| CN112379870A (en) * | 2020-11-16 | 2021-02-19 | 广东电网有限责任公司电力调度控制中心 | Intelligent terminal software architecture and control method thereof |
| CN113380016A (en) * | 2021-06-09 | 2021-09-10 | 贵州电网有限责任公司 | Metering automation system based on handheld device and use method thereof |
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