CN104391499A - Simulated electric energy meter used for testing electric power centralized meter reading system and test method thereof - Google Patents
Simulated electric energy meter used for testing electric power centralized meter reading system and test method thereof Download PDFInfo
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- CN104391499A CN104391499A CN201410594528.6A CN201410594528A CN104391499A CN 104391499 A CN104391499 A CN 104391499A CN 201410594528 A CN201410594528 A CN 201410594528A CN 104391499 A CN104391499 A CN 104391499A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
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Abstract
The invention discloses a simulated electric energy meter used for testing an electric power centralized meter reading system and a test method thereof. An electric energy meter operates according to the set operation rules via setting the operation rules of electric energy meter on the basis of realization of setting of common electric energy meters and inquiring of data of the electric energy meters through matching of a 485 module or serial port server equipment so that comprehensive and reliable testing of a concentrator meter reading process and a algorithm can be realized. Problems in an automatic meter reading system that testing of the concentrator meter reading process and the algorithm is not comprehensive enough and testing implementation difficulty is high are solved; and the problems that a complex physical environment needs to be established for testing an abnormal environment of a carrier and micro-power centralized meter reading system and the established testing environment is long in time consumption, high in cost and low in testing efficiency are solved. With application of the test method, testing of the concentrator meter reading process and the algorithm in the automatic meter reading system can be comprehensive, more economical and more highly efficient.
Description
Technical field
Examination the present invention relates to for a kind of apparatus of test-purpose and corresponding method of testing in AMRS, specifically a kind of simulation electric energy meter for AMRS survey and method of testing.
Background technology
Intelligent grid investigation displays in 2014 of power utility unit of the U.S., current most important intelligent grid application is intelligent electric meter/Automatic meter reading system (AMR)/senior ammeter framework (AMI).And in China, national grid is mentioned in work summary the first half of the year in 2014, " actively push forward intelligent grid construction, new clothes intelligent electric meter 3,326 ten thousand, accumulative installation 2.2 hundred million, realizes 2.3 hundred million family power informations and automatically gathers." visible, no matter Automatic meter reading system is at world wide or in China, all quite universal.
And the network of Automatic meter reading system roughly has these 4 network nodes of main website, concentrator, collector, ammeter, wherein the communication of concentrator and collector or ammeter is at present primarily of several way of media: narrowband carrier, RS485 and micropower are wireless.Concentrator can pass through these media, adopts certain check meter flow process and algorithm, and with collector or ammeter Direct Communication, then these data are reported main website by means of communications such as GPRS by Information Monitoring point data.
At present, generally use ammeter or simulate electric energy meter to build carrier environment to carry out to the check meter test of flow process and algorithm of concentrator in the industry in research and development of products, testing process, but this laboratory environment generally can only test normal flow process and algorithm, and the actual field environment often more complicated of system application, more it is envisaged that some abnormal conditions, abnormal conditions as:
The electric energy meter (as table meter holds the media channel such as power failure, carrier wave abnormal) that 1, cannot collect
2, former can normal acquisition electric energy meter, now can not normal acquisition (collector is abnormal, electric energy meter is abnormal)
3, formerly electric energy meter (table archives exist) cannot be gathered, now can normal acquisition.
4, abnormal electric energy meter:
A, day freezing data item do not support (deny/do not reply)
B, freeze markers day and do not support (deny/do not reply)
C, blocks of data read and do not support (deny/do not reply)
D, point copy data and do not support (deny/do not reply)
5,97 stipulations electric energy meters are supported.
6, to check meter instability: cannot copy reading success before 3 o'clock, can gather successfully after 3 o'clock.Or time difference when leading to of other situations.
7, some other accidental failure or events in running environment steady in a long-term.
Comprehensive and testing requirement in this way differ larger.Current industry is for the demand needing to test these abnormal conditions, can by increasing some certain interference in power line carrier link, RS485 circuit, micropower wireless air frequency range, re-use the modes such as the ammeter of some specific fault in addition to realize, but so implement, complicacy and the enforcement difficulty of environment are all comparatively large, in daily research and development test, do not possess exploitativeness.
Summary of the invention
The present invention solves concentrator in Automatic meter reading system to check meter flow process and test of heuristics is comprehensive not, test implementation difficulty is large problem, proposes a kind of implementation method of simulation electric energy meter of test-purpose.The present invention can be arranged at common simulation electric energy meter, inquire about on the basis of electric energy meter data; by the setting to simulation electric energy meter; the multiple exception that realization is stated; when complicated carrier wave or the wireless abnormal environment of micropower need not be built, realize to concentrator check meter flow process and algorithm comprehensive, test reliably.
Technical scheme:
For a simulation electric energy meter for AMRS test, it comprises:
RS485 driver module: carry out mutual interface as with concentrator, transmission channel is provided;
Configuration module: configuration simulation electric energy meter data module or the indicating value of data item, rule of having good luck; Configuration is checked meter the acknowledgment strategy of processing module to concentrator or collector;
To check meter processing module: the data of simulation electric energy meter data module are read in response, respond the order of checking meter of collector or concentrator; By configuring different acknowledgment strategys, with the applied environment at model engineering scene;
Simulation electric energy meter data module: by configuration indicating value and rule of having good luck, to simulate various functions and the data of actual power table.
More specifically, described indicating value comprises following one or more: electric energy indicating value, maximum demand and time of origin, voltage, electric current, active power, reactive power, power factor, applied power, date, time, recording events, ammeter running status, ammeter parameter, ammeter parameter.
More specifically, described acknowledgment strategy comprises following one or more: normal response, do not reply, deny response, frame time delay (can set) is replied, byte time delay (can set) is replied, normal response frame adds prefix byte FE (quantity can be established) response, normal response frame adds postbyte (setting) response, containing normal frame response in random bit stream, random chance response (random chance can set), the response of timing section, wrong frame header response, wrong frame telegram end response, wrong check code frame response, wrong Data Identification response, wrong subsequent frame mark response, the response of wrong address, wrong data length response, wrong data volume response, add data block identifier word (AA) response, support DL/T645-2007 multifunctional electric energy meter communications protocol, DL/T645-1997 multifunctional electric energy meter communication protocol.
Based on a method of testing for the AMRS of simulation electric energy meter disclosed by the invention, it comprises the following steps:
1) build test environment, simulation electric energy meter is connected with concentrator or collector respectively by RS485 driver module;
2) by configuration module configuration simulation electric energy meter data module comprise indicating value, the data of rule of having good luck;
3) to be checked meter the acknowledgment strategy of processing module to concentrator or collector by configuration module configuration;
4) concentrator starts flow process of checking meter, and issues corresponding order of checking meter to simulation electric energy meter;
5) RS485 driver module reports processing module of checking meter after receiving order of checking meter;
6) processing module of checking meter is according to the content of order of checking meter, read the corresponding contents of the real-time or configuration of simulation electric energy meter data module, then according to the acknowledgment strategy of processing module self configuration of checking meter, concentrator or collector respective response is given by RS485 driver module;
7) timing or an end cycle of checking meter after, check result of checking meter.
Described step 2) in by ammeter information frame configuration simulation electric energy meter data.
Described step 3) in by ammeter operation rule frame configuration acknowledgment strategy.
Beneficial effect of the present invention:
Adopt the method for testing of simulation electric energy meter disclosed by the invention and power meter reading system, by checking meter, processing module responds algorithm and strategy to the check meter difference of order of concentrator or collector, can when resource and time loss limited, realize the simulation for the various exception table meter of engineering site and circuit.By Scaledeployment, the simulation to whole on-the-spot actual environment can be realized.By the present invention the test environment built, practicality test can be carried out to the flow process of checking meter of concentrator, algorithm fast and effectively, the cycle before solving existing for this class testing is long, have high input, and the problem of on-the-spot test can only be gone.
Accompanying drawing explanation
Fig. 1 is simulated field test environment schematic diagram (overall networking diagram)
Fig. 2 is that simulation electric energy meter is by RS485 and concentrator or the mutual schematic diagram of collector
Fig. 3 is that simulation electric energy meter uses process flow diagram
Embodiment
Below in conjunction with embodiment, the invention will be further described, but protection scope of the present invention is not limited thereto:
Composition graphs 1 and Fig. 2, test with simulation electric energy meter as a running software on computing machine, undertaken alternately, specifically comprising with lower module by RS485 and concentrator or collector:
RS485 driver module: carry out mutual interface as with concentrator, transmission channel is provided;
Configuration module: indicating value, the rule of having good luck of configuration simulation electric energy meter data module, described indicating value comprises electric energy indicating value, voltage, electric current and event; Configuration is checked meter the acknowledgment strategy of processing module to concentrator or collector, described acknowledgment strategy comprise do not reply, the responsing reaction time, response rule;
To check meter processing module: the data of simulation electric energy meter data module are read in response, respond the order of checking meter of collector or concentrator; By configuring different acknowledgment strategys, with the applied environment at model engineering scene;
Such as:
1, by configuring not acknowledgment strategy, to simulate the abnormal medium of the media channel such as the electric energy meter that cannot collect or carrier wave abnormal;
2, originally can normal acquisition electric energy meter by the simulation of configuration timing section acknowledgment strategy, now can not normal acquisition (ammeter is abnormal, and collector is abnormal).
3, electric energy meter cannot be gathered by switching not acknowledgment strategy to acknowledgment strategy simulation is former, now can normal acquisition.
4, denied by configuration, not acknowledgment strategy simulate abnormal electric energy meter
A, day freezing data item do not support (deny/do not reply)
B, freeze markers day and do not support (deny/do not reply)
C, blocks of data read and do not support (deny/do not reply)
D, point copy data and do not support (deny/do not reply)
5, by configuration DL/T645-1997 multifunctional electric energy meter communication protocol policy-simulative 97 stipulations electric energy meter.
6, to be checked meter instability by the simulation of configuration timed period acknowledgment strategy, as: cannot copy reading success before 3 o'clock, can gather successfully after 3 o'clock, or other situations time obstructed when leading to.
7, by some other accidental failure or events in configuration random challenge policy-simulative running environment steady in a long-term.
8, by the wrong frame policy-simulative carrier wave of configuration, the distortion of media channel signal transmission, interference, the circuit crosstalks such as 485.
9, by configuring the different communication process speed of delaying policy simulation various years ammeter.
Simulation electric energy meter data module: by configuration indicating value and rule of having good luck, to simulate various functions and the data of actual power table.
Composition graphs 3, method of testing step is as follows:
1) build test environment, simulation electric energy meter is connected with concentrator or collector respectively by RS485 driver module;
2) by ammeter information frame configuration simulation electric energy meter data module comprise indicating value, the data of rule of having good luck;
3) to be checked meter the acknowledgment strategy of processing module to concentrator or collector by the configuration of ammeter operation rule frame;
4) concentrator starts flow process of checking meter, and issues corresponding order of checking meter to simulation electric energy meter;
5) RS485 driver module reports processing module of checking meter after receiving order of checking meter;
6) processing module of checking meter is according to the content of order of checking meter, read the corresponding contents of the real-time or configuration of simulation electric energy meter data module, then according to the acknowledgment strategy of processing module self configuration of checking meter, concentrator or collector respective response is given by RS485 driver module;
7) timing or an end cycle of checking meter after, check result of checking meter.
Specific embodiment described herein is only illustrate spirit of the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (6)
1., for a simulation electric energy meter for AMRS test, it is characterized in that it comprises:
RS485 driver module: carry out mutual interface as with concentrator, transmission channel is provided;
Configuration module: configuration simulation electric energy meter data module or the indicating value of data item, rule of having good luck; Configuration is checked meter the acknowledgment strategy of processing module to concentrator or collector;
To check meter processing module: the data of simulation electric energy meter data module are read in response, respond the order of checking meter of collector or concentrator; By configuring different acknowledgment strategys, with the applied environment at model engineering scene;
Simulation electric energy meter data module: by configuration indicating value and rule of having good luck, to simulate various functions and the data of actual power table.
2. a kind of simulation electric energy meter for AMRS test according to claim 1, is characterized in that described indicating value comprises following one or more: electric energy indicating value, maximum demand and time of origin, voltage, electric current, active power, reactive power, power factor, applied power, date, time, recording events, ammeter running status, ammeter parameter, ammeter parameter.
3. a kind of simulation electric energy meter for AMRS test according to claim 1, it is characterized in that described acknowledgment strategy comprises acknowledgment strategy and comprises following one or more: normal response, do not reply, deny response, frame delayed response, byte delayed response, normal response frame adds prefix byte FE and replys, normal response frame adds postbyte response, containing normal frame response in random bit stream, random chance is replied, the response of timing section, wrong frame header response, wrong frame telegram end response, wrong check code frame response, wrong Data Identification response, wrong subsequent frame mark response, the response of wrong address, wrong data length response, wrong data volume response, add the response of data block identifier word.
4. a method of testing for AMRS, is characterized in that it comprises the following steps:
1) build test environment, simulation electric energy meter is connected with concentrator or collector respectively by RS485 driver module;
2) by configuration module configuration simulation electric energy meter data module comprise indicating value, the data of rule of having good luck;
3) to be checked meter the acknowledgment strategy of processing module to concentrator or collector by configuration module configuration;
4) concentrator starts flow process of checking meter, and issues corresponding order of checking meter to simulation electric energy meter;
5) RS485 driver module reports processing module of checking meter after receiving order of checking meter;
6) processing module of checking meter is according to the content of order of checking meter, read the corresponding contents of the real-time or configuration of simulation electric energy meter data module, then according to the acknowledgment strategy of processing module self configuration of checking meter, concentrator or collector respective response is given by RS485 driver module;
7) timing or an end cycle of checking meter after, check result of checking meter.
5. the method for testing of a kind of AMRS according to claim 4, is characterized in that step 2) in by ammeter information frame configuration simulation electric energy meter data.
6. the method for testing of a kind of AMRS according to claim 4, is characterized in that step 3) in by ammeter operation rule frame configuration acknowledgment strategy:
1) by configuring not acknowledgment strategy, to simulate the abnormal medium of the media channel such as the electric energy meter that cannot collect or carrier wave abnormal;
2) originally can normal acquisition electric energy meter by the simulation of configuration timing section acknowledgment strategy, now can not normal acquisition (ammeter is abnormal, and collector is abnormal);
3) former electric energy meter cannot be gathered by switching not acknowledgment strategy to acknowledgment strategy simulation, now can normal acquisition;
4) denied by configuration, not acknowledgment strategy simulate abnormal electric energy meter
A, day freezing data item do not support;
B, day freeze markers and do not support;
C, blocks of data read and do not support;
D, point copy data and do not support;
5) by configuration DL/T645-1997 multifunctional electric energy meter communication protocol policy-simulative 97 stipulations electric energy meter;
6) simulate by configuration timed period acknowledgment strategy instability of checking meter;
7) by some other accidental failure or events in configuration random challenge policy-simulative running environment steady in a long-term;
8) by the wrong frame policy-simulative carrier wave of configuration, the distortion of media channel signal transmission, interference, the circuit crosstalks such as 485;
9) by configuring the different communication process speed of delaying policy simulation various years ammeter.
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Cited By (13)
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| CN105279952A (en) * | 2015-11-30 | 2016-01-27 | 国网江西省电力科学研究院 | Whole-event acquisition testing system of intelligent ammeter based on virtual ammeter module |
| CN105807131A (en) * | 2016-04-15 | 2016-07-27 | 国网江苏省电力公司盐城供电公司 | Communicating simulation type metering electric energy meter |
| CN108008339A (en) * | 2017-11-16 | 2018-05-08 | 深圳市科陆电子科技股份有限公司 | The method for parameter configuration of virtual electric energy meter and virtual electric energy meter |
| CN108109356A (en) * | 2016-11-25 | 2018-06-01 | 上海应时为能源数据技术有限公司 | A kind of collector concentrator realized using virtual meter to oneself state monitoring |
| CN108877187A (en) * | 2017-12-29 | 2018-11-23 | 国网山东省电力公司嘉祥县供电公司 | A kind of intelligent electric energy meter metrical information acquisition method and system |
| CN110515030A (en) * | 2019-09-03 | 2019-11-29 | 国网青海省电力公司电力科学研究院 | A kind of simulation detection system automating power failure reporting functions |
| CN111505373A (en) * | 2020-06-08 | 2020-08-07 | 广东电网有限责任公司 | Meter reading monitoring device and method for electric energy meter |
| CN112015167A (en) * | 2020-08-31 | 2020-12-01 | 杭州炬华科技股份有限公司 | Concentrator testing method and device, computer equipment and storage medium |
| CN112100068A (en) * | 2020-09-14 | 2020-12-18 | 贵州电网有限责任公司 | Method for testing redirection of communication object of terminal software |
| CN112311631A (en) * | 2020-11-23 | 2021-02-02 | 国网北京市电力公司 | Application communication test system and method |
| CN114114130A (en) * | 2021-09-18 | 2022-03-01 | 宁夏隆基宁光仪表股份有限公司 | Electric energy meter testing method, system and device based on actual load on simulation site |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137232A (en) * | 2015-08-25 | 2015-12-09 | 国网北京市电力公司 | Meter monitoring method and device |
| CN105137232B (en) * | 2015-08-25 | 2018-01-16 | 国网北京市电力公司 | meter monitoring method and device |
| CN105279952A (en) * | 2015-11-30 | 2016-01-27 | 国网江西省电力科学研究院 | Whole-event acquisition testing system of intelligent ammeter based on virtual ammeter module |
| CN105807131A (en) * | 2016-04-15 | 2016-07-27 | 国网江苏省电力公司盐城供电公司 | Communicating simulation type metering electric energy meter |
| CN108109356A (en) * | 2016-11-25 | 2018-06-01 | 上海应时为能源数据技术有限公司 | A kind of collector concentrator realized using virtual meter to oneself state monitoring |
| CN108008339A (en) * | 2017-11-16 | 2018-05-08 | 深圳市科陆电子科技股份有限公司 | The method for parameter configuration of virtual electric energy meter and virtual electric energy meter |
| CN108877187B (en) * | 2017-12-29 | 2019-12-27 | 国网山东省电力公司嘉祥县供电公司 | Intelligent electric energy meter metering information acquisition method and system |
| CN108877187A (en) * | 2017-12-29 | 2018-11-23 | 国网山东省电力公司嘉祥县供电公司 | A kind of intelligent electric energy meter metrical information acquisition method and system |
| CN110515030A (en) * | 2019-09-03 | 2019-11-29 | 国网青海省电力公司电力科学研究院 | A kind of simulation detection system automating power failure reporting functions |
| CN111505373A (en) * | 2020-06-08 | 2020-08-07 | 广东电网有限责任公司 | Meter reading monitoring device and method for electric energy meter |
| CN112015167A (en) * | 2020-08-31 | 2020-12-01 | 杭州炬华科技股份有限公司 | Concentrator testing method and device, computer equipment and storage medium |
| CN112015167B (en) * | 2020-08-31 | 2021-09-17 | 杭州炬华科技股份有限公司 | Concentrator testing method and device, computer equipment and storage medium |
| CN112100068A (en) * | 2020-09-14 | 2020-12-18 | 贵州电网有限责任公司 | Method for testing redirection of communication object of terminal software |
| CN112311631A (en) * | 2020-11-23 | 2021-02-02 | 国网北京市电力公司 | Application communication test system and method |
| CN112311631B (en) * | 2020-11-23 | 2022-06-21 | 国网北京市电力公司 | Application communication test system and method |
| CN114114130A (en) * | 2021-09-18 | 2022-03-01 | 宁夏隆基宁光仪表股份有限公司 | Electric energy meter testing method, system and device based on actual load on simulation site |
| CN114114130B (en) * | 2021-09-18 | 2024-05-14 | 宁夏隆基宁光仪表股份有限公司 | Electric energy meter testing method, system and device based on simulation site actual load |
| CN114826993A (en) * | 2022-04-21 | 2022-07-29 | 中国电力科学研究院有限公司 | Electric energy meter module simulation test system |
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