CN105954580A - Remote electric energy metering monitoring system - Google Patents
Remote electric energy metering monitoring system Download PDFInfo
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- CN105954580A CN105954580A CN201610460555.3A CN201610460555A CN105954580A CN 105954580 A CN105954580 A CN 105954580A CN 201610460555 A CN201610460555 A CN 201610460555A CN 105954580 A CN105954580 A CN 105954580A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a remote electric energy metering monitoring system. The remote electric energy metering monitoring system comprises at least one terminal metering module, the terminal metering module is connected with a master station module through a communication module, and the master station module is connected with a remote metering module through the communication module. According to the invention, valid metering point check signals accessed to a power grid can be acquired, acquired data can be accurately and actively analyzed and computed, and the data can be stored after data integration work is done. The system realizes uploading and downloading, data gathering, statistical analysis, storage and the like of each site data through the communication module, according to a power statistical demand, relevantly performs meter reading, and ensures orderliness and stability of a line loss curve of an electric power system. Through system electric energy status analysis, full-period monitoring is carried out on a power load, the load can be automatically adjusted at a power peak, and the operation stability and safety of the power grid are improved.
Description
Technical field
The present invention relates to a kind of power system power usage monitoring device technical field, particularly relate to a kind of remote
Journey electric energy metrical monitoring system.
Background technology
Along with the fast development of national economy, intelligent power grid technology has greatly promoted sending out of China's intelligent grid
Exhibition course.Electric energy metrical relates to each field of national economy, is related to economic interests in many ways, it is ensured that electric energy
Accurate measurement, reliably it is the important evidence of organization of production, operation and management and managerial decision.The most domestic to electricity
Field test many employings electric energy meter on-site calibrator of energy table carries out the monitoring under service condition and inspection, to two
Minor loop uses the equipment such as PT secondary pressure drop tester, transformer secondary load tester and carries out band point
Test.Terminal meter device is the Core equipment of electrical network metering device, on-line monitoring technique, and it can not only
The collection of the effective stoichiometric point school signal completing to be accessed in electrical network, can also accurately, actively these be adopted
Collection data are analyzed, process and process, and are preserved after completing Data Integration work.Metering dress
Put and need to support the communication between remote system and local power system, so that the calculating remotely and between this locality
Machine equipment can revise parameter to utilize the form of transmitted data on network, and keeps the effective execution remotely controlled.
Electric net device online measuring technique is the important composition part of electrical network, and it can effectively solve current electric energy
Measurement problem, makes up deficiency and defect that Traditional Man is checked meter, is effectively improved electrical network electric power meter information
Change, intelligent level, thus realize distributing rationally and servicing reliably for electric power resource.At present, existing
Technological means under, electric power meter maintenance management also exists some problems.Traditional metering method, point
Analysis is mainly carried out manually with statistical work, not only needs more personnel depaly, and works
Inefficiency, it is easy to mistake occurs.The workload of on-the-spot periodic inspection, sampling observation and rotation is big, cost is high,
Fault is difficult to realize and the process limited is long, especially for behaviors such as the promise breaking electricity consumptions found in business generaI investigation,
The method of remedying of electricity is extensive, easily causes metering dispute, for the operation file administration efficiency of electric energy metrical
Low.Metering device, by electric energy metrical on-line monitoring field carries out present studies, is especially needed by the present invention
Communication between remote system to be supported and local power system launches tackling key problem, takes into full account for modern communication net
Network integrity, at high speed, the requirements at the higher level of accuracy, communication network to be taken into full account should possess electric power
The motility of application port, autgmentability requirement, so that the demand of emerging user is met.The most how
Make terminal meter equipment have diversification, modular function and design, make long-range and local between computer
Equipment can become holding remotely control one of important means with actual conversation.
Summary of the invention
The technical problem to be solved is to provide the remote power meter that a kind of compatibility is strong, stable
Amount monitoring system.
For solving above-mentioned technical problem, the technical scheme is that remote power measurement monitoring system, bag
Including at least one terminal meter module, described terminal meter module is connected by communication module master station module,
Described master station module is connected by communication module remote measurement metering module；
Described terminal meter module includes the current transformer for detecting user power utilization and voltage transformer, institute
Stating current transformer connection and have current converter, described voltage transformer connects electric pressure converter, described electricity
Stream transformer and described electric pressure converter are respectively connecting to field controller, and described field controller passes through communication
Module connects has sheet area controller, described section controller signals to be connected to described master station module；
Described master station module includes central processing unit, described central processing unit connect have man-machine interface, memorizer,
Expansion bus and power module, described central processing unit is connected by device for signalling main website server；
Described remote measurement metering module includes that the signal being connected by signal of communication with described main website server is received
Front end processor, described signal receive front end processor by data wire connect have database server, WEB server and
Maintenance work server, described data wire is also mounted with client server and webpage router in station.
As preferred technical scheme, described central processing unit is also associated with the arteries and veins for output pulse signal
Rush port, for exporting the serial port of serial data signal and at least one is for producing the distant of remote signal
Letter port.
As preferred technical scheme, described device for signalling includes having of dialing MODEM, 10/100M
Gauze network, RS-232 communication interface, RS-485 communication interface, special line MODEM and GSM/GPRS wireless network
Network.
It is respectively equipped with in receiving front end processor as preferred technical scheme, described field controller and described signal
GPS locator.
As preferred technical scheme, described user power utilization includes Power Plant Substation, specially becomes user, public becomes
User and resident.
As preferred technical scheme, described field controller, described main website server, signal receive preposition
Machine, database server, WEB server and maintenance work server include corresponding processor, hard respectively
Dish, internal memory and system bus.As the improvement to technique scheme, described communication module is set to base
Connect in wired communication interface or radio communication based on GPRS, EDGE, WLAN, Wi-Fi, 3G, 4G technology
Mouthful.
Owing to have employed technique scheme, the invention has the beneficial effects as follows: can complete access in electrical network has
The collection of effect stoichiometric point school signal, accurately, on one's own initiative to these data gathered can be analyzed, transport
Calculation processes, and is preserved after completing Data Integration work.System realizes each station by communication module
Point data upload download, data summarization, statistical analysis and storage etc., and according to electricity consumption statistical demand, have
Check meter targetedly peek, it is ensured that the order of power system line loss curve and stability.Pass through system power
Electric load is implemented the monitoring of all the period of time by status analysis, Load adjustment that can be autonomous when peak of power consumption,
Improve safety and the stability of operation of power networks.
Accompanying drawing explanation
The following drawings is only intended to, in schematically illustrating the present invention and explaining, not limit the model of the present invention
Enclose.Wherein:
Fig. 1 is the structured flowchart of embodiment of the present invention terminal meter module；
Fig. 2 is the structured flowchart of embodiment of the present invention master station module；
Fig. 3 is the structured flowchart of embodiment of the present invention remote measurement metering module；
Fig. 4 is the workflow diagram of embodiment of the present invention remote measurement metering module.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the present invention is expanded on further.In the following detailed description, the most logical
The mode crossing explanation describes some one exemplary embodiment of the present invention.Undoubtedly, the common skill of this area
Art personnel will be consequently realised that, in the case of without departing from the spirit and scope of the present invention, can use various difference
Mode described embodiment is modified.Therefore, accompanying drawing and description are the most illustrative,
Rather than be used for limiting scope of the claims.
As shown in Figure 1, Figure 2 and Figure 3, remote power measurement monitoring system, including at least one terminal meter
Amount module, described terminal meter module is connected by communication module has master station module, described master station module to pass through
Communication module connects has remote measurement metering module, described terminal meter module to include the electricity for detecting user power utilization
Current transformer and voltage transformer, described current transformer connects current converter, described voltage transformer
Connecting has electric pressure converter, described current converter and described electric pressure converter to be respectively connecting to field control
Device, described field controller is connected by communication module sheet area controller, and described section controller signals is even
It is connected to described master station module.Described user power utilization include Power Plant Substation, specially become user, public become user and
Resident.
Described master station module includes central processing unit, described central processing unit connect have man-machine interface, memorizer,
Expansion bus and power module, described central processing unit is connected by device for signalling main website server,
Described device for signalling include dial the cable network of MODEM, 10/100M, RS-232 communication interface,
RS-485 communication interface, special line MODEM and GSM/GPRS wireless network.
Described remote measurement metering module includes that the signal being connected by signal of communication with described main website server is received
Front end processor, described signal receive front end processor by data wire connect have database server, WEB server and
Maintenance work server, described data wire is also mounted with client server and webpage router in station, described
Webpage router connects exterior terminal link, including EMSSACA, MIS, CMS, other and external user.
Described field controller and described signal are respectively equipped with GPS locator in receiving front end processor.
The pulse port for output pulse signal it is also associated with, for exporting serial on described central processing unit
The serial port of data signal and at least one remote signalling port being used for producing remote signal.Described field control
Device, described main website server, signal receive front end processor, database server, WEB server and safeguard work
Make server and include corresponding processor, hard disk, internal memory and system bus respectively.As to above-mentioned skill
The improvement of art scheme, described communication module be set to based on wired communication interface or based on GPRS, EDGE,
The wireless communication interface of WLAN, Wi-Fi, 3G, 4G technology.
Described remote measurement metering module can on-line monitoring monitoring capable of circulation at least ten locking terminal metering module, and can
Automatically calculate the standard deviation estimated value of electric energy meter, there is local/remote and the most automatically measure function for choosing
Select, and the function such as fault, overload alarm.As shown in Figure 4, power P upper limit 13.5W in figure, roll off the production line
As a example by 6.5W, with its operational process be: beginning, system initialization, be received back to survey voltage and current value and
Calculating active power, for preventing because impedance matching is discontinuous, during load change, output has certain ripple
Dynamic, system adds gear, compares in code power accuracy after the active power of systematic survey, kiss
Closing and then export, time delay waits；Power transfinites, and a grade continuation is monitored to subtract one；Power then adds one grade less than limit and continues
Continuous monitoring.
In this embodiment, for ensureing the precision measured, 0.05 grade of mark can be set in terminal meter module
Quasi-electric energy meter, and use technique for temperature compensation, secondary voltage drop can use the measuring principle of differential technique, measures standard
Exactness is 2 grades, to the monitoring method of current transformer and secondary circuit is, in terminal meter module to transformation
Device secondary circuit injects 1600HZ audio signal, by measuring secondary circuit resultant admittance, it is achieved to transformator
The status monitoring of secondary circuit, the method can effectively eliminate the impact on measurement result of power frequency and harmonic wave.Electricity
Pushing back road input high impedance, had the defencive function such as stream, short circuit, current loop is for avoiding current transformer
Second open circuit, used 0.01 grade of micro-transformer of current of single-turn cored structure formula, described terminal meter module
Working power uses independent power supply.
Before system is installed, first should be in conjunction with equipment such as the electric energy meters of actual requirement inspection user, for some skill
The conventional apparatus that art falls behind is replaced by electric multi-functional electric energy meter；Then, reply modules carry out strictly,
Conscientiously, careful debugging efforts；Furthermore it is to carry out metering points of electric energy data statistics work, and covers for system
The Data storage management in all transformer stations in region, power plant etc., and these archives that will be recorded with system
Carry out careful comparison, by checking that master station module is consistent with the archive information of corresponding terminal metering module, protect
The accuracy that card system is run.
Master station module as the administrative center of detection technique, by terminal meter module timing acquiring power plant,
Transformer station and the real-time electric energy information of user's electric energy meter, used by real-time data base monitoring electric energy further
Situation, applies in each different grades of user respectively in conjunction with historical data, has transferred network function and has implemented
Data interaction function.
Remote measurement metering module comprehensive collection user's energy information, then by peek of checking meter targetedly,
Periodically compare in self record data at the electric energy metrical information material acquired in remote measurement metering module, protect
Demonstrate,prove the letter in reply of adopting acquired in each stoichiometric point and cease the most synchronization with on-site terminal metering module information, and then guarantee
The accuracy of the every continuous data of system.
Energy state of the present invention is analyzed and electric load is implemented all the period of time monitoring, period can be certainly at electricity consumption peak valley
Main modulation load, especially implements timesharing electric energy metrical to Power Plant Substation etc., thus ensure maximum current,
The maximum need for electricity amount such as power, voltage data can be calculated and contrasted accurately, it is ensured that each stoichiometric point
The accuracy of continuous data.Webpage router can realize the expansion of report capability, by allowing system pipes
The data sheet that reason person and system self generate according to practical situation is modified, it is ensured that electric energy metrical effective
Carry out and implement.Thus realize each station data uploaded assign and for monitoring personnel provide a accurately,
Real data sheet, and be the some detection work of each substation further, carry out the inquiry of historical data with on-the-spot
Follow the tracks of work, thus ensure that remote control terminal equipment can be properly functioning.
The present invention can carry out comprehensive monitoring, Automatic Cycle verification multiple way electric table to electric energy metrical, automatically follows
Ring detection plurality of voltages loop and secondary voltage drop are measured, it is possible to secondary loop of mutual inductor, Current Mutual Inductance
The operation conditions of device and voltage transformer is monitored, it is achieved that the remote verification function of gate energy meter.?
After line monitoring application, original operational management link is improved, and is effectively improved fault efficiency.Only need
Standard device carries out periodic inspection, and system implements monitoring multiple metering device, the assay of multichannel equipment,
Demonstrate the accuracy of standard device, therefore can be with proper extension standard device round of visits.Can slap in real time
Hold the running status of metering device, conveniently fault state is analyzed, it is ensured that carry out fault with prestissimo
Process.Run archives by data base administration, meet information-based requirement, data analysis, comparison intuitive and convenient,
Electric quantity compensating can be according to load curve, by integral and calculating, more accurately, rationally, is relatively more suitable for sending out
Power plant's online critical point, the big customer of power supply enterprise, the on-line monitoring of metering device of key customer,
In a word, the present invention can complete to access in electrical network the collection of effective stoichiometric point school signal, can accurately,
On one's own initiative these data gathered are analyzed, calculation process, and complete Data Integration work after
Preserved.System uploads download, data summarization, statistics by what communication module realized each station data
Analysis and storage etc., and according to electricity consumption statistical demand, peek of checking meter targetedly, it is ensured that power system line
Damage order and the stability of curve.By system power status analysis, electric load is implemented the prison of all the period of time
Control, Load adjustment that can be autonomous when peak of power consumption, improves safety and the stability of operation of power networks.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The industry
Skilled person will appreciate that, the present invention is not restricted to the described embodiments, in above-described embodiment and description
The principle that the present invention is simply described described, without departing from the spirit and scope of the present invention, the present invention
Also having various changes and modifications, these changes and improvements both fall within scope of the claimed invention.This
The claimed scope of invention is defined by appending claims and equivalent thereof.
Claims (7)
1. remote power measurement monitoring system, it is characterised in that: include at least one terminal meter module, institute
Stating terminal meter module and have master station module by communication module connection, described master station module is by communication module even
It is connected to remote measurement metering module；
Described terminal meter module includes the current transformer for detecting user power utilization and voltage transformer, institute
Stating current transformer connection and have current converter, described voltage transformer connects electric pressure converter, described electricity
Stream transformer and described electric pressure converter are respectively connecting to field controller, and described field controller passes through communication
Module connects has sheet area controller, described section controller signals to be connected to described master station module；
Described master station module includes central processing unit, described central processing unit connect have man-machine interface, memorizer,
Expansion bus and power module, described central processing unit is connected by device for signalling main website server；
Before described remote measurement metering module includes being received by the signal that signal of communication is connected with described main website server
Putting machine, described signal receives front end processor has database server, WEB server and maintenance by data wire connection
Workspace server, described data wire is also mounted with client server and webpage router in station.
2. remote power measurement monitoring system as claimed in claim 1, it is characterised in that: described centre
It is also associated with the pulse port for output pulse signal, for exporting the serial of serial data signal on reason device
Port and at least one remote signalling port being used for producing remote signal.
3. remote power measurement monitoring system as claimed in claim 2, it is characterised in that: described signal passes
Dialing MODEM, 10/100M cable network, RS-232 communication interface, RS-485 communication connect to send device to include
Mouth, special line MODEM and GSM/GPRS wireless network.
4. remote power measurement monitoring system as claimed in claim 1, it is characterised in that: described on-the-spot control
Device processed and described signal are respectively equipped with GPS locator in receiving front end processor.
5. remote power measurement monitoring system as claimed in claim 1, it is characterised in that: described user uses
Electricity includes Power Plant Substation, specially becomes user, public becomes user and resident.
6. the remote power measurement monitoring system as described in claim 1-5 any claim, its feature exists
In: described field controller, described main website server, signal receive front end processor, database server, WEB
Server and maintenance work server include corresponding processor, hard disk, internal memory and system bus respectively.
7. remote power measurement monitoring system as claimed in claim 6, it is characterised in that: described communication mould
Block is set to based on wired communication interface or based on GPRS, EDGE, WLAN, Wi-Fi, 3G, 4G technology
Wireless communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610460555.3A CN105954580A (en) | 2016-06-23 | 2016-06-23 | Remote electric energy metering monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610460555.3A CN105954580A (en) | 2016-06-23 | 2016-06-23 | Remote electric energy metering monitoring system |
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| CN105954580A true CN105954580A (en) | 2016-09-21 |
Family
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| CN201610460555.3A Pending CN105954580A (en) | 2016-06-23 | 2016-06-23 | Remote electric energy metering monitoring system |
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Cited By (2)
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| CN106548615A (en) * | 2016-12-08 | 2017-03-29 | 广东汇海华天科技有限公司 | A kind of collection for electricity meter-reading copies communicator |
| CN113391256A (en) * | 2021-05-28 | 2021-09-14 | 国网河北省电力有限公司营销服务中心 | Electric energy meter metering fault analysis method and system of field operation terminal |
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Inventor after: Liu Junchang Inventor after: Sun Xishun Inventor after: Wang Yan Inventor after: Li Xiaohu Inventor after: Wang Yuling Inventor after: Ji Xuecong Inventor after: Wang Zhenquan Inventor after: Zhang Xiaopeng Inventor after: Wang Nan Inventor after: Cao Lijie Inventor after: Cang Jinzhi Inventor after: Wang Zhiguo Inventor after: Zhang Jie Inventor before: Liu Junchang Inventor before: Li Xiaohu Inventor before: Ji Xuecong Inventor before: Wang Zhenquan Inventor before: Zhang Xiaopeng Inventor before: Wang Nan Inventor before: Cao Lijie Inventor before: Cang Jinzhi Inventor before: Wang Zhiguo Inventor before: Sun Haitao |
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Application publication date: 20160921 |