CN102426772A - Electric energy metering and measuring system and detection method thereof - Google Patents

Electric energy metering and measuring system and detection method thereof Download PDF

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Publication number
CN102426772A
CN102426772A CN2010105507086A CN201010550708A CN102426772A CN 102426772 A CN102426772 A CN 102426772A CN 2010105507086 A CN2010105507086 A CN 2010105507086A CN 201010550708 A CN201010550708 A CN 201010550708A CN 102426772 A CN102426772 A CN 102426772A
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CN
China
Prior art keywords
measuring
electric energy
metering
management system
metering management
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2010105507086A
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Chinese (zh)
Inventor
杜成刚
张宇
刘隽
蒋心泽
陆如
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Shanghai Municipal Electric Power Co
Original Assignee
Shanghai Municipal Electric Power Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Municipal Electric Power Co filed Critical Shanghai Municipal Electric Power Co
Priority to CN2010105507086A priority Critical patent/CN102426772A/en
Priority to PCT/CN2011/001647 priority patent/WO2012065354A1/en
Publication of CN102426772A publication Critical patent/CN102426772A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D4/00—Tariff metering apparatus
    • 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
    • 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
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/30—Smart metering, e.g. specially adapted for remote reading

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention relates to an electric energy metering and measuring system and a detection method thereof. The electric energy metering and measuring system comprises a metering management system, a plurality of metering management units and a plurality of metering terminals. During measurement, the metering management system reads measurement data in the metering management units at regular time in a polling manner, displays the data in real time and stores history data at regular time, thus facilitating the querying and analyzing afterwards. A control module and a control interface module of the metering management unit respectively exchange information with the metering management system and the metering terminals, and the display module is controlled to display the measured parameters. A sampling module in each metering terminal acquires a current voltage sampling signal of each measuring point in real time, after the current voltage sampling signal is filtered by virtue of a signal filtering module, the current voltage sampling signal is processed by an AD (analog-to-digital) sampling module to obtain a digital signal, and a data processing module processes the digital signal and transmits remote measuring values to the metering management units by virtue of a bus. By applying the electric energy metering and measuring system and the detection method thereof provided by the invention, electric energy can be accurately metered in real time.

Description

Electric energy metrical measuring system and detection method thereof
Technical field
The present invention relates to a kind of electric energy metrical measuring system and detection method thereof.
Background technology
Along with China's rapid development of economy, the electric energy measuring management system that implements efficiently and accurately has been the task of top priority.Power industry press for realize electric energy in real time, metering system accurately.
Summary of the invention
A kind of electric energy metrical measuring system provided by the invention and detection method thereof can be carried out in real time electric energy, measured accurately.
In order to achieve the above object, the present invention provides a kind of electric energy metrical measuring system, and this electric energy metrical measuring system comprises metering management system, some measuring control unit, some measuring terminals.Described metering management system is connected through network interface with the measuring control unit, carries out two-way data transmission, and described measuring control unit is connected through bus with measuring terminal, carries out two-way data transmission.
Described measuring control unit comprises control module, display module and the interface module that circuit connects.
Described measuring terminal comprises sampling module, AD sampling module and the data processing module that circuit connects, and also comprises power module.
Described sampling module comprises the voltage transformer (VT) summation current transformer.
When measuring, metering management system regularly reads the measurement data in the measuring control unit with the mode of poll, and the demonstration real time data, regularly saves historical data, convenient inquiry later on and analysis.The control module control interface module of measuring control unit is carried out information interaction with metering management system and measuring terminal respectively, and the control display module shows each the parameter amount that measures.Sampling module in the measuring terminal is gathered the current-voltage sampling signal of each measurement point in real time; After the signal filtering module filtered, sampled signal obtains digital signal through the AD sampling module; Data processing module is handled adopting digital signal; Obtain active electrical degree, idle electric degree, power factor, frequency, etc. required telemetry, and, be transferred to the measuring control unit to the remote measurement amount that records through bus.
The present invention also provides a kind of electric energy metrical measuring system detection method, and this detection method comprises following steps:
Step 1, metering management system start, and measuring terminal is gathered the sampled signal of each measurement point in real time.
Step 2, metering management system are opened network communication interface, and interface module is opened in the measuring control unit.
Step 3, metering management system judge whether interface is opened, if open, then jump to step 4, if do not open, wait for that then T after the time, jumps to step 2.
Step 4, metering management system send to call together to the measuring control unit surveys order, waits for the W time then, gets into step 5.
Step 4.1, metering management system send to call together to the measuring control unit surveys order;
Whether step 4.2, measuring control unit judges receive the measurement data that measuring terminal sends, if, jump to step 4.3, if not, continue execution in step 4.2;
Step 4.3, measuring control unit send to metering management system with measurement data.
Step 5, metering management system have judged whether to receive the measurement data that the measuring control unit returns, if, jump to step 6, if not, jump to step 4.
Step 6, metering management system are resolved the measurement data that receives and the demonstration of classifying, and jump to step 4 then, carry out next round and call survey together.
In said step 6, metering management system is every at a distance from the deposit time of regulation, carries out data storage one time.
The present invention is for the security, reliability and the economy that improve power system power supply; Guarantee the operate as normal of consumer and continuing efficiently of industrial and agricultural production; All has crucial meaning for confession, electricity consumption side; For solving the power failure dispute reliable technique support is provided, has had very high economic worth.
Description of drawings
Fig. 1 is the structural representation of electric energy metrical measuring system provided by the invention.
Fig. 2 is the structural representation of the measuring terminal in the electric energy metrical measuring system provided by the invention.
Fig. 3 is the process flow diagram of electric energy metrical measuring system detection method provided by the invention.
Embodiment
Following according to Fig. 1～Fig. 3, specify preferred embodiment of the present invention.
As shown in Figure 1, be the structural representation of electric energy metrical measuring system provided by the invention, this electric energy metrical measuring system comprises metering management system 101, some measuring control unit 102, some measuring terminals 103.Described metering management system 101 and measuring control unit 102 are connected through network interface, carry out two-way data transmission, and described measuring control unit 102 and measuring terminal 103 are connected through bus, carry out two-way data transmission.
In the present embodiment, network interface adopts the RJ45 interface, and bus adopts CAN bus and 485 buses.
Described measuring control unit 102 comprises control module, display module and the interface module that circuit connects.
As shown in Figure 2, described measuring terminal 103 comprises sampling module 1031, AD sampling module 1033 and the data processing module 1034 that circuit connects, and also comprises power module 1035.
Described sampling module 1031 comprises voltage transformer pt summation current transformer CT.
When measuring, metering management system 101 regularly reads the measurement data in the measuring control unit 102 with the mode of poll, and the demonstration real time data, regularly saves historical data, convenient inquiry later on and analysis.The control module control interface module of measuring control unit 102 is carried out information interaction with metering management system 101 and measuring terminal 103 respectively, and the control display module shows each the parameter amount that measures.Sampling module 1031 in the measuring terminal 103 is gathered the sampled signal of each measurement point in real time; After 1032 filtering of signal filtering module, sampled signal obtains digital signal through AD sampling module 1033; 1034 pairs of data processing modules adopt digital signal to handle; Obtain active electrical degree, idle electric degree, power factor, frequency, etc. required telemetry, and, be transferred to measuring control unit 102 to the remote measurement amount that records through CAN bus and 485 buses.
As shown in Figure 3, be the process flow diagram of electric energy metrical measuring system detection method provided by the invention, this detection method comprises following steps:
Step 1, metering management system 101 start, and measuring terminal 103 is gathered the sampled signal of each measurement point in real time.
Step 2, metering management system 101 are opened network communication interface, and interface module is opened in measuring control unit 102.
Step 3, metering management system 101 judge whether interface is opened, if open, then jump to step 4, if do not open, wait for that then T after the time, jumps to step 2.
Described T can select 5 seconds.
Step 4, metering management system 101 send to call together to measuring control unit 102 surveys order, waits for the W time then, gets into step 5.
Described W can select 100 milliseconds.
Step 4.1, metering management system 101 send to call together to measuring control unit 102 surveys order;
Step 4.2, measuring control unit 102 judge whether to receive the measurement data of measuring terminal 103 transmissions, if, jump to step 4.3, if not, continue execution in step 4.2;
Step 4.3, measuring control unit 102 send to metering management system 101 with measurement data.
Step 5, metering management system 101 have judged whether to receive the measurement data that measuring control unit 102 returns, if, jump to step 6, if not, jump to step 4.
Step 6,101 pairs of measurement data that receive of metering management system are resolved and the demonstration of classifying, and jump to step 4 then, carry out next round and call survey together.
In said step 6, metering management system 101 is every at a distance from the deposit time of regulation, carries out data storage one time.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.

Claims (9)

1. an electric energy metrical measuring system is characterized in that, this electric energy metrical measuring system comprises metering management system (101), some measuring control unit (102), some measuring terminals (103);
Described metering management system (101) is connected through network interface with measuring control unit (102), carries out two-way data transmission, and described measuring control unit (102) is connected through bus with measuring terminal (103), carries out two-way data transmission.
2. electric energy metrical measuring system as claimed in claim 1 is characterized in that, described network interface adopts the RJ45 interface, and bus adopts CAN bus and 485 buses.
3. electric energy metrical measuring system as claimed in claim 1 is characterized in that, (102 comprise control module, display module and the interface module that circuit connects in described measuring control unit.
4. electric energy metrical measuring system as claimed in claim 1 is characterized in that, described measuring terminal (103) comprises sampling module (1031), AD sampling module (1033) and the data processing module (1034) that circuit connects.
5. electric energy metrical measuring system as claimed in claim 4 is characterized in that, (103 also comprise power module (1035) to described measuring terminal.
6. electric energy metrical measuring system as claimed in claim 4 is characterized in that, described sampling module (1031) comprises voltage transformer (VT) (PT) summation current transformer (CT).
7. electric energy metrical measuring system detection method is characterized in that this detection method comprises following steps:
Step 1, metering management system (101) start the sampled signal that measuring terminal (103) is gathered each measurement point in real time;
Step 2, metering management system (101) are opened network communication interface, and interface module is opened in measuring control unit (102);
Step 3, metering management system (101) judge whether interface is opened, if open, then jump to step 4, if do not open, wait for that then T after the time, jumps to step 2;
Step 4, metering management system (101) send to call together to measuring control unit (102) surveys order, waits for the W time then, gets into step 5;
Step 5, metering management system (101) have judged whether to receive the measurement data that measuring control unit (102) returns, if, jump to step 6, if not, jump to step 4;
Step 6, metering management system (101) are resolved the measurement data that receives and the demonstration of classifying, and jump to step 4 then, carry out next round and call survey together.
8. electric energy metrical measuring system as claimed in claim 7 is characterized in that, described step 4 comprises following steps:
Step 4.1, metering management system (101) send to call together to measuring control unit (102) surveys order;
Step 4.2, measuring control unit (102) judge whether to receive the measurement data of measuring terminal (103) transmission, if, jump to step 4.3, if not, continue execution in step 4.2;
Step 4.3, measuring control unit (102) send to metering management system (101) with measurement data.
9. electric energy metrical measuring system as claimed in claim 7 is characterized in that, in said step 6, metering management system (101) is every at a distance from the deposit time of regulation, carries out data storage one time.
CN2010105507086A 2010-11-19 2010-11-19 Electric energy metering and measuring system and detection method thereof Pending CN102426772A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2010105507086A CN102426772A (en) 2010-11-19 2010-11-19 Electric energy metering and measuring system and detection method thereof
PCT/CN2011/001647 WO2012065354A1 (en) 2010-11-19 2011-09-29 Electric energy counting and measuring system and detecting method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105507086A CN102426772A (en) 2010-11-19 2010-11-19 Electric energy metering and measuring system and detection method thereof

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CN102426772A true CN102426772A (en) 2012-04-25

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WO (1) WO2012065354A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103699502A (en) * 2014-01-06 2014-04-02 深圳市兴源智能仪表科技有限公司 Copying and reading method for sub-devices
CN104635681A (en) * 2014-12-24 2015-05-20 深圳市远航机电有限公司 Fuel oil monitoring system and method
CN109471059A (en) * 2018-10-15 2019-03-15 广州云新信息技术有限公司 A kind of ammeter automatic tour inspection system and method

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CN101154312A (en) * 2006-09-29 2008-04-02 华立仪表集团股份有限公司 Automatic meter reading system based on ZigBee technology
CN201044126Y (en) * 2007-04-13 2008-04-02 骏泰阳科技(深圳)有限公司 Remote meter reading information transmission system
WO2009033246A2 (en) * 2007-09-11 2009-03-19 Universidade Federal De Minas Gerais - Ufmg Method and device for measuring and monitoring
CN101483663A (en) * 2008-01-10 2009-07-15 宝山钢铁股份有限公司 Automatic meter reading system and automatic meter reading method
CN201876494U (en) * 2010-11-19 2011-06-22 上海市电力公司 Electric energy metering and measuring system

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US7275001B2 (en) * 2005-05-10 2007-09-25 Abb Technology Ag Method for measuring electrical current levels in a power switching device
DE102005039403B4 (en) * 2005-08-20 2008-03-20 Raumcomputer Entwicklungs- Und Vertriebs Gmbh Device for detecting the energy consumption of one or more consumers
CN201349216Y (en) * 2009-01-20 2009-11-18 珠海天瑞电力科技有限公司 Metering reading system for power line broadband network

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
CN101154312A (en) * 2006-09-29 2008-04-02 华立仪表集团股份有限公司 Automatic meter reading system based on ZigBee technology
CN201044126Y (en) * 2007-04-13 2008-04-02 骏泰阳科技(深圳)有限公司 Remote meter reading information transmission system
WO2009033246A2 (en) * 2007-09-11 2009-03-19 Universidade Federal De Minas Gerais - Ufmg Method and device for measuring and monitoring
WO2009033246A3 (en) * 2007-09-11 2010-06-03 Universidade Federal De Minas Gerais - Ufmg Method and device for measuring and monitoring
CN101483663A (en) * 2008-01-10 2009-07-15 宝山钢铁股份有限公司 Automatic meter reading system and automatic meter reading method
CN201876494U (en) * 2010-11-19 2011-06-22 上海市电力公司 Electric energy metering and measuring system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103699502A (en) * 2014-01-06 2014-04-02 深圳市兴源智能仪表科技有限公司 Copying and reading method for sub-devices
CN103699502B (en) * 2014-01-06 2018-05-18 深圳市兴源智能仪表股份有限公司 Sub- equipment copy reading method
CN104635681A (en) * 2014-12-24 2015-05-20 深圳市远航机电有限公司 Fuel oil monitoring system and method
CN104635681B (en) * 2014-12-24 2017-08-29 深圳市远航机电有限公司 Fuel oil monitoring system and method
CN109471059A (en) * 2018-10-15 2019-03-15 广州云新信息技术有限公司 A kind of ammeter automatic tour inspection system and method

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C06 Publication
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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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Owner name: STATE ELECTRIC NET CROP.

Effective date: 20121031

C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20121031

Address after: 200002 Nanjing East Road, Shanghai, No. 181, No.

Applicant after: Shanghai Electric Power Corporation

Applicant after: State Grid Corporation of China

Address before: 200002 Nanjing East Road, Shanghai, No. 181, No.

Applicant before: Shanghai Electric Power Corporation

C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20120425