CN106329721A - Integrated intelligent ammeter and electric power measurement and control protection system - Google Patents
Integrated intelligent ammeter and electric power measurement and control protection system Download PDFInfo
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- CN106329721A CN106329721A CN201610379022.2A CN201610379022A CN106329721A CN 106329721 A CN106329721 A CN 106329721A CN 201610379022 A CN201610379022 A CN 201610379022A CN 106329721 A CN106329721 A CN 106329721A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit 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
- H02J13/00006—Circuit 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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00007—Circuit 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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
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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
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
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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 relates to the field of electric power equipment, specifically to an integrated intelligent ammeter and an electric power measurement and control protection system. The integrated intelligent ammeter comprises a measurement detection module used for electric energy measurement, a circuit protection module used for circuit safety protection, a main control module used for data processing and switch controlling, and a power supply module used for supplying power; the electric power measurement and control protection system comprises at least one above-mentioned intelligent ammeter, a junction module, a remote terminal and a client end, wherein the ammeter is in communication with the junction module through a communication unit; and data interaction of the junction module, the remote terminal and the client end are realized through a wired network or a wireless network. By adoption of the integrated intelligent ammeter and the electric power measurement and control protection system, power utilization information can be known by a user and a power supply management department in time conveniently so as to carry out reasonable power utilization and power management; and in addition, a data range of a power utilization unified data platform can be further established and perfected, thereby providing important technological support to realization of a smart power grid.
Description
Technical field
The present invention relates to field of electrical equipment, be specifically related to a kind of integral intelligent electric energy meter and electric-power metering is protected with control
Protecting system.
Background technology
China is currently devoted to build strong intelligent grid, mainly contains the generating of power system, transmission of electricity, power transformation, joins
Electricity, electricity consumption and 6 links of scheduling, its intension is based on strong rack, with communication information platform as academic title, with Based Intelligent Control
For means, it is achieved power system is known from generating, transmission of electricity, power transformation, distribution, electricity consumption and the Intellisense of scheduling links, intelligence
Not, the function of Based Intelligent Control, it is achieved the very high integrity of " flow of power, flow of information, Business Stream " merges, and intelligent grid can be integrated
Data in system, optimize the management of electrical network, electrical network is promoted to the new mode of interactive operating, improves the reliable of whole electrical network
Property, availability and overall efficiency.Along with research and the construction of the senior measuring system of intelligent grid, the electricity consumption directly related with resident
The functional requirement of information gathering and On-line Control protection gradually manifests.Due to the increase of the various demand of user, intelligent electric power to be gone
Gauge table is in addition to the function that needs possess traditional multifunction power gauge table, in addition it is also necessary to possess opposing traffic function, two-way meter
Amount function, multiple load control manner, power supply control the functions such as protection, Power Quality Detection and remote upgrade.
China's power system at present still based on tradition method for electrically, simply uses intelligent electric energy meter with empty in electricity consumption link
Air cock with the use of, in terms of electric parameter measurement and remote meter reading, have Preliminary Applications, current domestic wide variety of timesharing
The mutual of information and computer the most do not supported by peak valley ammeter, pre-paying kilowatt-hour meter and automatic data logging, and they can not be with electrical network and user
Carry out implementing interaction, lack and there is electric-power metering, can only control and the product of two-way communication emerges.Along with country to electrical network and
The intelligentized updatings such as equipment and the expansion of transformation, not only need Control protection system that client failure is carried out protectiveness and automatically divide
Lock, is also required to carry out protecting separating brake to due to the abnormal failure of power supply front end, in addition it is also necessary to meeting safety after trouble shooting simultaneously
Again close a floodgate on the premise of specification and restore electricity." National Standard of the People's Republic of China: live especially in accordance with promulgation in 2011
Residence design specification (GB50096-2011) " requirement, New Dwelling is proposed should install overvoltage, less voltage protector.But
It is that, in practical operation, the existing product on market all has following defects that and mainly uses air switch, can only be for user
Crossing cannot automatic closing after the faults such as stream, short circuit, electric leakage are controlled protecting separating brake, and separating brake；Or add after intelligent electric meter
Fill the miniature circuit breaker of an automatic divide-shut brake of energy, but as two discrete components, it is miniature disconnected that intelligent electric meter cannot detect control
Road device.Said circumstances hinders intelligent grid to be carried out to the extension of electrical domain.
Along with the popularization at home of stage electrovalence policy and expansion, the power consumption of user is divided into several stage, in order to more
Reasonably arranging the electricity consumption of oneself, user knows about the demand of oneself power information of every day in the most each moment；And public affairs of powering
Department is general only provides a user with a power consumption and the document of the amount of money per the end of month.Now, power information belongs to for a user
In historical information, payment can only be instructed, it is impossible to reasonably arrange the electricity consumption situation of oneself.If understanding the use of oneself when user thinks of
Electricity situation, can only go table case to check.And owing to big unit local electricity counter box is property centralized management, owner cannot be direct
See the data of electric power gauge.For the facilities of the step price that user is concerned about, especially can only be by going to electric company
Inquiry is gone in business hall.Therefore, by the way of artificial, obtain the most loaded down with trivial details inconvenience of method of power information at present, and cannot
Thering is provided in real time, user cannot adjust the electricity consumption plan of oneself in real time according to electricity consumption practical situation.
In sum, one how is provided to have intelligent electric power metering table and intelligent micro-circuit breaker function, real time measure concurrently
Electric power data transmitted in both directions, and can actively protect separating brake on-the-spot, remote alarms according to electrical network real-time parameter, after trouble shooting
Automatically or close a floodgate according to remote command on the premise of meeting related specifications, there is electric energy quality monitoring and remote upgrade etc. simultaneously
Function, becomes the technical problem that this area is urgently to be resolved hurrily.
Summary of the invention
Present invention solves the technical problem that and be to provide a kind of integral intelligent electric energy meter and electric-power metering to protect with control
System, it is achieved the metering of electric power data, and can according to electrical network real-time parameter actively protect separating brake and after trouble shooting automatically or
Close a floodgate according to remote command, and the real time bidirectional transmission of electric power data and control signal can be realized.
To achieve these goals, present invention employs following technical scheme:
Integral intelligent electric energy meter, including: gauge check module, route protection module, main control module and power module；
Described gauge check module include connecting respectively the electric power detection unit of described main control module, metering units, clock unit,
Man-machine interaction unit；Described electric power detection unit is used for detecting electric current, voltage analog signal and being converted to digital signal through A/D；
Described metering units is used for measuring circuit power and energy parameter；Described clock unit is used for providing split-second precision information, with
And output clock pulse signal；Described man-machine interaction unit includes for showing that electric energy meter duty, continuous data, clock are believed
Breath and the display unit of communication connection information, and the operating unit for information input；
Described route protection module is for carrying out automatic brake separating, closing operation according to the instruction of described main control module；
Described main control module includes central processor unit, memory element and communication unit；Described central processor unit is used for
Process the measurement data of described gauge check module, control described route protection module carry out point, closing operation, and pass through institute
Stating communication unit and external equipment or remote terminal, to carry out information mutual；Described memory element is used for storing described central processing unit
The information about power of cell processing and configuration or interactive information；Described communication unit is between described main control module and exterior terminal
Data interaction.
Further, described route protection module includes wiring units, switch element, zero passage detection unit and state-detection
Unit, described wiring units is for the access of power circuit, and described switch element has been used for automatic point, closing operation, described
Zero passage detection unit is used for detecting voltage, current zero-crossing point, and described state detection unit is for the work of detection point/switching-on mechanism
State, and when abnormality being detected, warning message is sent to described main control module.
Further, the circuit parameter that described metering units is measured includes voltage, electric current, active power, reactive power, regards
In power, power factor, frequency, harmonic wave, meritorious energy and quadergy, and provide independent active power and virtual value, electricity
Current voltage virtual value, line frequency and zero passage are interrupted.
Further, the one during described memory element is FLASH, EPPROM or FeRAM memory chip.
Further, described display unit includes self light emitting display panel, operation button and display lamp.
Further, described clock unit is the low-power consumption of supporting bus, high precision clock chip, and built-in temperature compensates
Crystal oscillator.
Further, described switch element includes point/power switch and point/switching-on mechanism, described point/switching-on mechanism is served as reasons
The movable contact of driven by motor contacts with stationary contact or electromagnetism adhesive movable contact contacts with stationary contact or power supply excitation permanent magnet
Adhesive movable contact contact with stationary contact or in SCR/IGBT/MOSFET/GTR semiconductor device at least any one.
Further, described zero passage detection unit is used for detecting voltage, current zero-crossing point, and described switch element is at voltage
Close a floodgate when being zero, the separating brake when electric current is zero.
Preferably, described communication unit uses RS-485, infrared IR transmission, TCP/IP ethernet communication, wifi channel radio
One or more in letter, Zigbee radio communication, Z-Wave radio communication.
Preferably, described communication unit uses power line communication.
Further, described communication unit includes power line carrier sending module and receiver module.
Further, it is provided with ciphering unit between described communication unit and central processor unit.
Preferably, described ciphering unit includes symmetric cryptography unit and asymmetric encryption unit, described symmetric cryptography unit
Use the data that communication unit described in symmetric key group encryption sends, described asymmetric encryption unit for according to firmware information or
Outside instant data produce described symmetric key group.
Present invention also offers a kind of electric-power metering and Control protection system, including the intelligent electric energy that at least one is above-mentioned
Table, and tandem module, remote terminal and client, described electric energy meter is led to described tandem module by described communication unit
Letter, described tandem module carries out data interaction by wired or wireless network and described remote terminal, and described remote terminal passes through
Wired or wireless network and described client carry out data interaction；
Described intelligent electric energy meter includes electric energy meter status information, communicating status information, use with the content of described tandem module communication
Electricity account real-time power consumption information, quality of power supply information, multiplexing electric abnormality information, electric energy meter online communication status information, electric energy meter
Operation Log information, point/reclosing command information and warning message；
Described remote terminal is used for monitoring, storing and manage user data, generates and performs Event tourism scheme, and analyze use
User data, generates and optimizes power supply plan；
Described client interacts with system for user, including inquiry power information, management user bound, controls circuit guarantor
Protect module and carry out point/closing operation, and generate or select Event tourism scheme.
Preferably, the communication unit on described intelligent electric energy meter and the communication mode between described tandem module are electric lines of force
Carrier communication.
Preferably, the communication channel between described communication unit and tandem module is divided into multiple independent in authorizing frequency
Orthogonal sub-channels, uses a subcarrier to be modulated, each subcarrier transmitting data in parallel on each of the sub-channels.
Preferably, the communication network between described tandem module and remote terminal includes power line carrier communication network network, light
Fibre web network, coax network, public internet and cordless communication network.
Further, described remote terminal is system for cloud computing center, described system for cloud computing center include server and
Hardware isolated device；Described server includes data storage server, elastic calculation server, data analytics server and in real time
Control server；Described server and hardware isolated device are connected on data/address bus, and described hardware isolated device is deposited with data
Storage server, elastic calculation server, data analytics server and enforcement control server one_to_one corresponding.
Further, described client is PC terminal or mobile terminal, by being installed on the application journey in described PC terminal
APP in sequence or mobile terminal accesses described system for cloud computing center.
The integral intelligent electric energy meter of the present invention, protects module by integrated circuit on intelligent electric power metering table, it is achieved
The breaking-closing operating safe, automatic of electric energy meter, it is to avoid traditional protection cannot need artificial by automatic closing after switching off
The step of operation, improves intelligence degree.On the other hand, by arranging ciphering unit before communication unit, it is achieved that communication
The encrypted transmission of content, thus improve the safety of intelligent electric energy meter, makes it to access common network, it is achieved that electric energy meter with
Immediate data between user is mutual, overcomes traditional electric energy meter and is only received the defect of data by electric company.
On the other hand, the electric-power metering of the present invention and Control protection system, led to above-mentioned intelligent electric energy meter by electric lines of force
Letter accesses the Internet based on cloud computing, in the case of not changing user habit, facilitates user timely with power supply management department
Understand and grasp power information, and then rational utilization of electricity, pipe electricity, finally realize using electricity wisely；Can set up simultaneously and improve further and use
The scope of data of electricity unified data platform, by included for the flow data of customer power supply circuit, it is achieved set up intelligent power complete
Scape trend distributed model, the supply line of detection in real time load condition, for guaranteeing that Electrical Safety plays bigger effect.Additionally, it is logical
Cross electricity consumption planning and the analog result of virtual electricity consumption collecting user, following electricity consumption trend can be predicted, Ji and the peace of passing through of going forward side by side
Full property analysis, thus thoroughly change the conventional perception for user power utilization trend and the situation of analysis and Control scarce capacity, for reality
Existing intelligent grid provides important technical support.
Accompanying drawing explanation
Fig. 1 is the modular structure schematic diagram of the intelligent electric energy meter of the present invention；
Fig. 2 is the structural representation of the gauge check module of the intelligent electric energy meter of the present invention；
Fig. 3 is the schematic diagram of the ciphering unit of the intelligent electric energy meter of the present invention；
Fig. 4 is the structural representation of the route protection module of the intelligent electric energy meter of the present invention；
Fig. 5 is the electric-power metering module composition schematic diagram with Control protection system of the present invention.
Detailed description of the invention
In order to be further appreciated by the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but
Should be appreciated that these describe simply as to further illustrate the features and advantages of the present invention rather than to the claims in the present invention
Limit.
Present invention firstly provides a kind of integral intelligent electric energy meter, its mainly overcome existing electric energy meter two lack
Point: one is that the electric quantity data of metering needs the person of checking meter to carry out scene to check meter, it is impossible to remotely obtain related data.Two is existing electricity
Energy table and sky are opened and are used separately, and only when occurring current anomaly in circuit, sky is held just can automatic trip；But, when different
After often releasing, in addition it is also necessary to manual operation carries out the reset that sky is opened, it is impossible to remote reset, thus causes the inconvenience of operation.
In order to overcome disadvantages mentioned above, as it is shown in figure 1, in a preferred embodiment, the integral intelligent ammeter of the present invention
Including such as lower module: gauge check module, route protection module, main control module and power module, above-mentioned module-integrated installation
In meter case.
Wherein, as in figure 2 it is shown, gauge check module includes:
For detecting electric current, voltage analog signal and being converted to the electric power detection unit of digital signal through A/D；
For measuring circuit power and the metering units of energy parameter；
For providing split-second precision information, and the clock unit of output clock pulse signal；
And for showing display unit and the use of electric energy meter duty, continuous data, clock information and communication connection information
In the operating unit of information input, both form interpersonal interactive unit.
Above-mentioned gauge check module can detect real-time power consumption accurately, and shows.
Preferably, in the present embodiment, the circuit parameter that described metering units is measured includes voltage, electric current, gains merit
Power, reactive power, apparent energy, power factor, frequency, harmonic wave, meritorious energy and quadergy, and independent gaining merit is provided
Power and virtual value, effective value, line frequency and zero passage are interrupted.Display unit include self light emitting display panel, operation by
Key and display lamp.The low-power consumption of clock unit supporting bus, high precision clock chip, and built-in temperature compensation crystal oscillator.
Route protection module is for carrying out automatic brake separating, closing operation according to the instruction of described main control module.Concrete, as
Shown in Fig. 4, including:
The wiring units accessed for power circuit；
For completing automatic point, the switch element of closing operation；
For detecting voltage, the zero passage detection unit of current zero-crossing point and state detection unit；
And, for the duty of detection point/switching-on mechanism, and when abnormality being detected, warning message is sent to institute
State the state detection unit of main control module.
Above-mentioned route protection module, it is possible to automatic shutoff circuit when voltage in the line, current anomaly, is simultaneously emitted by report
Alarming information.And after trouble shooting, automatic closing can be realized again under the control of main control module, it is to avoid the behaviour of manual closing operation
Make, improve convenience.
Preferably, in the present embodiment, switch element includes point/power switch and point/switching-on mechanism, wherein, point/
Switching-on mechanism can be to be contacted with stationary contact by the movable contact of driven by motor, or electromagnetism adhesive movable contact connects with stationary contact
Touch, or power supply excitation permanent magnet adhesive movable contact contacts with stationary contact, it is also possible to be that SCR/IGBT/MOSFET/GTR partly leads
Any one in body device.Zero passage detection unit detects voltage, current zero-crossing point, and switch element closes when voltage is zero
Lock, when electric current is zero separating brake, it is to avoid the generation of surge in circuit, protect electrical equipment.
Main control module includes:
For processing the measurement data of gauge check module, control route protection module carry out point, closing operation, and by leading to
Letter unit carries out, with outside or remote terminal, the central processor unit that information is mutual；
For storing the information about power that central processor unit processes, record, configure or the memory element of interactive information；
And the communication unit for the data interaction between main control module and exterior terminal.
Preferably, in the present embodiment, central processing unit use in single-chip microcomputer, ARM, DSP at least any one,
According to remote command or monitor electrical parameter surmount protection limit time, to route protection module send separating brake order；Receive
Remote command or monitor electrical parameter when meeting safety closing specification, sends, to route protection module, order of closing a floodgate.
Memory element is the one in FLASH, EPPROM or ferroelectricity storage, and storage includes that history electric quantity data, event are remembered
The record data such as data, the amount of freezing data.
Communication unit use RS-485, infrared IR transmission, TCP/IP ethernet communication, wifi radio communication, Zigbee without
One or more in line communication, Z-Wave radio communication.
Or, as further preferred version, communication unit includes power line carrier sending module and receiver module,
Use electric lines of force as telecommunication media, carry out power line carrier communication, thus eliminate special communication line, simplify electric energy
Wiring route in table.
Preferably, in the present embodiment, between communication unit and main control module, it is provided with ciphering unit, is applied to own
Need the operation of the higher data safety requirements such as authentication, data encryption/decryption, safety storage, communication security, it is achieved safety
The purpose controlled.
Concrete, as it is shown on figure 3, ciphering unit includes asymmetric encryption mechanisms and asymmetric encryption mechanism.Wherein, symmetry adds
Close mechanism uses the data that symmetric key group encryption communication unit sends or receives, rather than asymmetric encryption mechanisms is for according to firmware
Information or outside instant data produce symmetric key group.Its workflow is as follows:
1) system needs when activating register mobile phone and obtain identifying code；
2) this identifying code produces one group of symmetric key through asymmetric key system in the lump with the sequence number of system hardware itself；
3) during data communication subsequently uses this group symmetric key；
4) the actual symmetric key periodic replacement used.
Present invention also offers a kind of electric-power metering and Control protection system, be thing to overcome existing electric power gauge case
Industry is managed concentratedly, and owner it cannot be directly viewed the defect of the data of electric power gauge.Existing electric power metering system, for user
The facilities of the step price being concerned about, can only go inquiry by going to electric company business hall；And obtain by the way of artificial
Taking the most loaded down with trivial details inconvenience of method of electrical information, and cannot provide in real time, user cannot adjust according to electricity consumption practical situation in real time
Oneself electricity consumption plan whole.
In order to solve the problems referred to above, as it is shown in figure 5, in the preferred embodiment, a kind of electric-power metering and control
Protection system, including at least one aforesaid intelligent electric energy meter, and tandem module, remote terminal and client.
Wherein, intelligent electric energy meter is communicated with tandem module by communication unit, and the content of communication includes that real-time power consumption is believed
Breath, electric energy meter status information, point/reclosing command information and warning message etc..
Preferably, the communication unit on intelligent electric energy meter and the communication mode between tandem module are that electric lines of force carries
Wave communication, thus avoid the laying of dedicated communication line, improve the utilization ratio of circuit line, and there is higher stablizing
Property.
Concrete, above-mentioned power line carrier communication in authorizing frequency, given channel is divided into tens so that hundreds of independent
Different orthogonal sub-channels, uses a subcarrier to be modulated on each of the sub-channels, and each subcarrier parallel transmission number
According to, it is effectively improved band efficiency.In transmitting procedure, detect the disturbance regime of every sub-channel constantly, if it find that have
Electromagnetic interference in interference (such as the harmonic wave) generation of burst or certain a little channel is very serious, and power line carrier communication can be with intelligence
Adjusting energy, i.e. transfer to transmission in other glitch-free sub-channels, avoid interference source.Therefore can simultaneously effective resist
Multiple interference, even in the case of power distribution network is heavily disturbed, it is possible to ensures high bandwidth transmission efficiency, thus realizes number
According to high speed reliable communication.
Tandem module carries out data interaction by wired or wireless network and remote terminal.Tandem module and remote terminal it
Between communication network include power line carrier communication network network, fiber optic network, coax network, public internet and radio communication
Network.
Remote terminal is used for detecting, store and managing user power utilization data, and provides and perform Event tourism scheme.
Preferably, remote terminal is system for cloud computing center, including server and hardware isolated device.Wherein,
Server includes data storage server, elastic calculation server, data analytics server and controls server in real time.Server
Be connected on data/address bus with hardware isolated device, and hardware isolated device and data storage server, elastic calculation server,
Data analytics server and enforcement control server one_to_one corresponding.
Remote terminal carries out data interaction by wired or wireless network and client, including inquiry power information, control
Route protection module carries out point/closing operation, and formulates or select Event tourism scheme etc..
Preferably, client is PC terminal or mobile terminal, by being installed on the application journey in described PC terminal
APP in sequence or mobile terminal accesses described system for cloud computing center.
The explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.It is right to it should be pointed out that,
For those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out
Some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (19)
1. integral intelligent electric energy meter, it is characterised in that including:
Gauge check module, route protection module, main control module and power module；
Described gauge check module include connecting respectively the electric power detection unit of described main control module, metering units, clock unit,
Man-machine interaction unit；Described electric power detection unit is used for detecting electric current, voltage analog signal and being converted to digital signal through A/D；
Described metering units is used for measuring circuit power and energy parameter；Described clock unit is used for providing split-second precision information, with
And output clock pulse signal；Described man-machine interaction unit includes for showing that electric energy meter duty, continuous data, clock are believed
Breath and the display unit of communication connection information, and the operating unit for information input；
Described route protection module is for carrying out automatic brake separating, closing operation according to the instruction of described main control module；
Described main control module includes central processor unit, memory element and communication unit；Described central processor unit is used for
Process the measurement data of described gauge check module, control described route protection module carry out point, closing operation, and pass through institute
Stating communication unit and external equipment or remote terminal, to carry out information mutual；Described memory element is used for storing described central processing unit
The information about power of cell processing and configuration or interactive information；Described communication unit is between described main control module and exterior terminal
Data interaction.
2. integral intelligent electric energy meter as claimed in claim 1, it is characterised in that described route protection module includes wiring list
Unit, switch element, zero passage detection unit and state detection unit, described wiring units for the access of power circuit, described in open
Closing unit and be used for automatic point, closing operation, described zero passage detection unit is used for detecting voltage, current zero-crossing point, described shape
State detector unit is for the duty of detection point/switching-on mechanism, and is sent to by warning message when abnormality being detected
Described main control module.
3. integral intelligent electric energy meter as claimed in claim 1, it is characterised in that the circuit parameter that described metering units is measured
Including voltage, electric current, active power, reactive power, apparent energy, power factor, frequency, harmonic wave, meritorious energy and nonfunctional
Amount, and provide independent active power and virtual value, effective value, line frequency and zero passage to interrupt.
4. integral intelligent electric energy meter as claimed in claim 1, it is characterised in that described memory element is FLASH, EPPROM
Or the one in FeRAM memory chip.
5. integral intelligent electric energy meter as claimed in claim 1, it is characterised in that described display unit includes that self-luminous shows
Screen, operation button and display lamp.
6. integral intelligent electric energy meter as claimed in claim 1, it is characterised in that described clock unit is the low of supporting bus
Power consumption, high precision clock chip, and built-in temperature compensation crystal oscillator.
7. integral intelligent electric energy meter as claimed in claim 2, it is characterised in that described switch element includes point/close a floodgate electric
Source and point/switching-on mechanism, described point/switching-on mechanism is to be contacted with stationary contact by the movable contact of driven by motor or electromagnetism adhesive is moved
Contact contacts with stationary contact or power supply excitation permanent magnet adhesive movable contact contacts with stationary contact or SCR/IGBT/MOSFET/
In GTR semiconductor device at least any one.
8. integral intelligent electric energy meter as claimed in claim 7, it is characterised in that described zero passage detection unit is used for detecting electricity
Pressure, current zero-crossing point, and described switch element closes a floodgate when voltage is zero, the separating brake when electric current is zero.
9. the integral intelligent electric energy meter as described in any one of claim 1-8, it is characterised in that described communication unit uses
RS-232, RS-485, infrared IR transmission, TCP/IP ethernet communication, wifi radio communication, Zigbee radio communication, Z-Wave
One or more in radio communication.
10. the integral intelligent electric energy meter as described in any one of claim 1-8, it is characterised in that described communication unit uses
Power line communication.
11. integral intelligent electric energy meters as claimed in claim 10, it is characterised in that described communication unit includes that electric lines of force carries
Ripple sending module and receiver module.
The 12. integral intelligent electric energy meters as described in any one of claim 9-11, it is characterised in that: described communication unit and in
It is provided with ciphering unit between central processor unit.
13. integral intelligent electric energy meters as claimed in claim 12, it is characterised in that: described ciphering unit includes symmetric cryptography
Unit and asymmetric encryption unit, described symmetric cryptography unit uses the number that communication unit described in symmetric key group encryption sends
According to, described asymmetric encryption unit is for producing described symmetric key group according to firmware information or outside instant data.
14. 1 kinds of electric-power meterings and Control protection system, it is characterised in that: include that at least one is such as any one of claim 1-13
Described intelligent electric energy meter, and tandem module, remote terminal and client, described electric energy meter passes through described communication unit and institute
Stating tandem module communication, described tandem module carries out data interaction by wired or wireless network and described remote terminal, described
Remote terminal carries out data interaction by wired or wireless network and described client；
Described intelligent electric energy meter includes electric energy meter status information, communicating status information, use with the content of described tandem module communication
Electricity account real-time power consumption information, quality of power supply information, multiplexing electric abnormality information, electric energy meter online communication status information, electric energy meter
Operation Log information, point/reclosing command information and warning message；
Described remote terminal is used for monitoring, storing and manage user data, generates and performs Event tourism scheme, and analyze use
User data, generates and optimizes power supply plan；
Described client interacts with system for user, including inquiry power information, management user bound, controls circuit guarantor
Protect module and carry out point/closing operation, and generate or select Event tourism scheme.
15. electric-power metering as claimed in claim 14 and Control protection system, it is characterised in that: on described intelligent electric energy meter
Communication mode between communication unit and described tandem module is power line carrier communication.
16. electric-power metering as claimed in claim 15 and Control protection system, it is characterised in that: described communication unit and tandem
Communication channel between module is divided into multiple independent orthogonal sub-channels in authorizing frequency, uses one on each of the sub-channels
Subcarrier is modulated, each subcarrier transmitting data in parallel.
17. electric-power metering as claimed in claim 14 and Control protection system, it is characterised in that: described tandem module is with long-range
Communication network between terminal includes power line carrier communication network network, fiber optic network, coax network, public internet and nothing
Line communication network.
18. electric-power meterings as described in any one of claim 14-17 and Control protection system, it is characterised in that: described remotely
Terminal is system for cloud computing center, and described system for cloud computing center includes server and hardware isolated device；Described server bag
Include data storage server, elastic calculation server, data analytics server and control server in real time；Described server is with hard
Part isolating device is connected on data/address bus, described hardware isolated device and data storage server, elastic calculation server, number
Server one_to_one corresponding is controlled according to Analysis server and enforcement.
19. electric-power metering as claimed in claim 18 and Control protection system, it is characterised in that: described client is PC terminal
Or mobile terminal, access described cloud computing by being installed on the application program in described PC terminal or the APP on mobile terminal
Network center.
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| CN107181322B (en) * | 2017-06-28 | 2023-06-16 | 烟台东方威思顿电气有限公司 | Power utilization safety control system and method based on broadband power line carrier |
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| CN109217468A (en) * | 2018-08-30 | 2019-01-15 | 武汉精伦电气有限公司 | A kind of intelligent terminal box and electricity consumption observing and controlling and auditing system |
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| CN110708398A (en) * | 2019-11-15 | 2020-01-17 | 北京电联宇科技股份有限公司 | Intelligent electric meter |
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| CN111564898A (en) * | 2020-03-09 | 2020-08-21 | 贵州电网有限责任公司 | Multifunctional intelligent control system based on intelligent electric meter |
| CN111900800B (en) * | 2020-07-24 | 2022-04-01 | 深圳市航天泰瑞捷电子有限公司 | Remote switching-on and switching-off method and system for electric meter |
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| CN113114305A (en) * | 2021-04-16 | 2021-07-13 | 航天中电科技(重庆)有限公司 | Short-distance power line carrier communication method based on current carrier |
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