CN102162841A - Method and system for detecting electric energy meter - Google Patents
Method and system for detecting electric energy meter Download PDFInfo
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- CN102162841A CN102162841A CN2010101120816A CN201010112081A CN102162841A CN 102162841 A CN102162841 A CN 102162841A CN 2010101120816 A CN2010101120816 A CN 2010101120816A CN 201010112081 A CN201010112081 A CN 201010112081A CN 102162841 A CN102162841 A CN 102162841A
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- 238000004088 simulation Methods 0.000 claims description 84
- 238000001514 detection method Methods 0.000 claims description 22
- 230000006837 decompression Effects 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 9
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- 238000007405 data analysis Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 238000013480 data collection Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
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- 230000002045 lasting effect Effects 0.000 description 1
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Abstract
The invention relates to a method and a system for detecting an electric energy meter. The method comprises the following steps of: sending a time parameter setting instruction and/or a load simulating instruction comprising electric quantity counting times n, electric quantity counting dates and electric energy meter time to the electric energy meter so as to enable the electric energy meter to generate counting date electric quantity information and load simulating recording information; sending a number requesting instruction to the electric energy meter to obtain the counting date electric quantity information and the load simulating recording information; receiving response data comprising the counting date electric quantity information and the load simulating recording information sent by the electric energy meter according to the number requesting instruction; and analyzing the counting data electric quantity information and the load simulating recording information to obtain the analyzing result. The invention can automatically send the time parameter setting instruction and/or the load simulating instruction to the electric energy meter to detect the electric energy meter, so that the problems of low manual operation efficiency and complex detecting program editing can be solved.
Description
Technical field
The invention relates to the measuring technology of electric energy meter, particularly about electric energy meter detection method and system.
Background technology
When electric energy meter is detected, generally need the possible state of simulation, whether the test electric energy meter meets the demands under various states, two kinds of free usually simulation of state simulation and state simulations:
The content that " DL/T645-2007 multifunctional electric energy meter communication protocol " is transmitted can be regarded " section " data on the several different time points on the time transverse axis as.When carrying out time simulation, the selection of each time point is generally: the freeze-off time point, and the clearing time point, last n time of origin point, current data point, as shown in Figure 1.Load simulation is meant by control power source voltage, electric current and changes, can simulate event datas such as decompression, the phase failure, degree of unbalancedness.
The test philosophy of prior art at first by the tested electric energy meter 202 of operating personnel's 204 operations, is provided with the time of electric energy meter as shown in Figure 2, realizes the simulation of certain time point; Operating personnel's 204 operation programmable power supplys 203 are realized load simulation then.Repeat above-mentioned steps, up to finishing all time point settings, and the event of corresponding time point institute.With computing machine imitation data collection station 201, according to the scheme that pre-establishes, tested electric energy meter issued will count order (test data), read reply data (detected data), and judge whether reply data meets the requirement of communication protocol.
The inventor finds above-mentioned existing analogy method in realizing process of the present invention, exist following defective:
Above-mentioned analogy method relies on manual operations fully, and labour intensity is big, inefficiency, and mistake appears in the testing process complexity of establishment easily.
Summary of the invention
The object of the invention is to provide a kind of electric energy meter detection method and system, has solved that efficient hand-manipulated is low, labour intensity reaches establishment testing process complicated problems greatly.
To achieve these goals, the invention provides a kind of electric energy meter detection method, described method comprises: send the time parameter that comprises electric weight clearing frequency n, electric weight name day, electric energy meter time to described electric energy meter instruction and/or load simulation instruction are set, so that described electric energy meter generates name day information about power and load simulation recorded information; To count order to described electric energy meter transmission, to obtain described name day information about power and load simulation recorded information; Receive described electric energy meter and will count the reply data that comprises name day information about power and load simulation recorded information that order sends according to described; Analyze described name day information about power and load simulation recorded information, and generate analysis result.
To achieve these goals, the present invention also provides a kind of electric energy meter detection system, described system comprises: instruction sending unit, be used for sending the time parameter that comprises electric weight clearing frequency n, electric weight name day, electric energy meter time instruction and/or load simulation instruction are set, so that described electric energy meter generates name day information about power and load simulation recorded information to described electric energy meter; Count command sending unit, be used for to count order, to obtain described name day information about power and load simulation recorded information to described electric energy meter transmission; The reply data receiving element is used to receive described electric energy meter and will counts the reply data that comprises name day information about power and load simulation recorded information that order sends according to described; Data analysis unit is used for analyzing the name day information about power and the load simulation recorded information of described reply data, and generates analysis result.
The useful technique effect of the embodiment of the invention: the present invention can issue time parameter from the trend electric energy meter instruction and/or load simulation instruction are set, and electric energy meter is detected, and has solved the low and establishment testing process complicated problems of efficient hand-manipulated.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the time point synoptic diagram of selecting when carrying out time simulation;
Fig. 2 is the test philosophy figure of prior art;
Fig. 3 is an embodiment of the invention electric energy meter detection system synoptic diagram;
Fig. 4 is an embodiment of the invention electric energy meter detection platform synoptic diagram;
Fig. 5 is the test philosophy figure of the embodiment of the invention;
Fig. 6 is the electric energy meter detection method process flow diagram of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The invention provides a kind of electric energy meter detection method and system, the embodiment of the invention is elaborated below in conjunction with accompanying drawing.
The invention provides a kind of electric energy meter detection system, as shown in Figure 3, described system comprises: instruction sending unit 301, count command sending unit 302, reply data receiving element 303 and data analysis unit 304.
Preferably, the name day number of times can be made as 3 times, and the name day was made as 28.Its implication is exactly 28 days every month 0 points, carries out lump-sum settlement, freezes the electric quantity data of electric energy meter at that time and is kept in the electric energy meter, and frozen electric quantity data can be read by the freeze command in the electric energy meter.If the clearing number of times is made as 3 times, such electric quantity data that freezes is saved 3.
The time of electric energy meter time can be located at a certain moment before the name day, the for example a certain name day is on September 28th, 2009, can be made as 23: 58 on the 27th September in 2009 time of electric energy meter, electric energy meter was made as 4 minutes working time, and chill point 0 electric quantity data on September 28th, 2009 is with frozen like this.The embodiment of the invention can be set the time of electric energy meter before each name day.
The load simulation instruction comprises power supply decompression, the phase failure and/or three-phase imbalance instruction etc., change output three-phase voltage and electric current according to instruction, the simulated field actual conditions are made variety of event, make electric energy meter possess decompression, the phase failure and/or imbalance situations such as (referring to voltage, current imbalance).
Count command sending unit 302 and be used for to count order, to obtain described name day information about power and load simulation recorded information to described electric energy meter transmission.
Described electric energy meter is provided with instruction and load simulation instruction according to time parameter, generate name day information about power and load simulation recorded information, electric quantity data and decompression, the phase failure and/or the three-phase imbalance information of record name day, for example write down chill point 0 electric quantity data on September 28th, 2009 and be 52 degree, the A in 0: 5: 23 on the 28th September in 2009 the ABC three-phase disconnects mutually.
Count command sending unit 302 and will count order, inform that described electric energy meter sends electric quantity data and the information such as decompression, the phase failure and/or three-phase imbalance of the name day of record to described electric energy meter transmission.
Reply data receiving element 303 is used to receive described electric energy meter will count the reply data that comprises name day information about power and load simulation recorded information that order sends according to described.Reply data is electric quantity data and the information such as decompression, the phase failure and/or three-phase imbalance of the name day of record.
Reply data receiving element 303 receives after the reply data, name day information about power and load simulation recorded information that data analysis unit 304 is analyzed in the described reply data, and generate analysis result.
Fig. 4 is an embodiment of the invention electric energy meter detection platform synoptic diagram.As shown in Figure 4, test computer 401 comprises data detection module 402, is used for sending load simulation instruction and time parameter setting instruction to electric energy meter.Instruction is set time parameter and the load simulation instruction sends to HUB by network interface and serial line interface respectively, terminal server 407 is converted to serial ports with network interface, through the RS485 converter time parameter is provided with instruction then and sends to electric energy meter 406, electric energy meter 406 can have a plurality of.The load simulation instruction also can send to program control three-phase supply 405 by serial line interface, and control three-phase programmable power supply carries out operations such as the phase failure, decompression, operations such as the phase failure of control electric energy meter, decompression.Data detection module 402 is also controlled simulation main website (data collection station) 404 of test computer 401 will count order to electric energy meter 406 transmissions, and electric energy meter 406 is according to counting order echo reply data.Simulation main website 404 receives the reply data that electric energy meters 406 return, and sends to 402 pairs of data of data detection module and analyze, and then analysis result and reply data is stored in the database 403.
Fig. 5 is the test philosophy figure of the embodiment of the invention; The difference of Fig. 5 and Fig. 2 is that Fig. 5 instructs to instruction of electric energy meter transmitting time parameter modification and load simulation by the data detection module 402 of test computer.The dotted line top is a data Layer among Fig. 5, and the below is a Physical layer.
Fig. 6 is an embodiment of the invention electric energy meter detection method process flow diagram; Specify the electric energy meter detection method below in conjunction with Fig. 5 and Fig. 6.As shown in Figure 6, described method comprises:
Step S601: send the time parameter that comprises electric weight clearing frequency n, electric weight name day, electric energy meter time to described electric energy meter instruction and/or load simulation instruction are set, so that described electric energy meter generates name day information about power and load simulation recorded information.
Preferably, the name day number of times can be made as 3 times, and the name day was made as 28.Its implication is exactly 28 days every month 0 points, carries out lump-sum settlement, freezes the electric quantity data of electric energy meter at that time and is kept in the electric energy meter, and frozen electric quantity data can be read by the freeze command in the electric energy meter.If the clearing number of times is made as 3 times, such electric quantity data that freezes is saved 3.
The time of electric energy meter time can be located at a certain moment before the name day, the for example a certain name day is on September 28th, 2009, can be made as 23: 58 on the 27th September in 2009 time of electric energy meter, electric energy meter was made as 4 minutes working time, and chill point 0 electric quantity data on September 28th, 2009 is with frozen like this.The embodiment of the invention can be set the time of electric energy meter before each name day.
The time of electric energy meter has crossed over point in 28 days 0 September (name day chill point) in 4 minutes of operation, move to 0: 2 on the 28th September, and when crossing over the name day chill point, system has freezed the data of this point.According to this kind method, point in 28 days 0 October is crossed in simulation successively, on November 28 0 point, thereby formed the data that 3 name days freeze.Such data are commonly referred to as " historical data ", because these class data are classified often and deposited continuously, therefore also can become " historical record ".By artificial time setting, " historical record " of generation can provide original test data for test.
The load simulation instruction comprises the power supply decompression, the phase failure and/or three-phase imbalance instruction etc., change output three-phase voltage and electric current according to instruction, the simulated field actual conditions, make variety of event, make electric energy meter possess decompression and (voltage is dropped to below 78% of rated voltage, continue 1 minute), the phase failure (cutting off any output in the ABC three-phase), (any one in the ABC three-phase current that will break drops to below 50% of rated current to electric current, continue 1 minute) and incident such as voltage (any one in the ABC three-phase voltage that will break drops to below 50% of rated voltage, lasting 1 minute) imbalance.The appearance of these class data often means unusual generation, needs to propose alarm, thereby is commonly referred to as " alarm event data ",, therefore also can become " alarm record " because these class data are to deposit continuously according to the order of time.
Step S602: will count order to described electric energy meter transmission, to obtain described name day information about power and load simulation recorded information.
Described electric energy meter is provided with instruction and load simulation instruction according to time parameter, generate name day information about power and load simulation recorded information, electric quantity data and decompression, the phase failure and/or the three-phase imbalance information of record name day, for example write down chill point 0 electric quantity data on September 28th, 2009 and be 52 degree, the A in 0: 5: 23 on the 28th September in 2009 the ABC three-phase disconnects mutually.Described electric energy meter is received and will be counted after the order, will send electric quantity data and the information such as decompression, the phase failure and/or three-phase imbalance of the name day of record.
Step S603: receive described electric energy meter and will count the reply data that comprises name day information about power and load simulation recorded information that order sends according to described;
Reply data is electric quantity data and the information such as decompression, the phase failure and/or three-phase imbalance of the name day of record.
Step S604: analyze described name day information about power and load simulation recorded information, and generate analysis result.
Analyzing described name day information about power and load simulation recorded information comprises: whether more described name day information about power and described time parameter are provided with instruction consistent; And whether more described load simulation recorded information is consistent with described load simulation instruction.
More described name day information about power and described time parameter are provided with instruction consistent comprising whether: whether the name day electric weight in the more described name day information about power is in the power threshold scope that allows; More described load simulation recorded information is instructed whether consistent comprising with described load simulation: whether the load simulation time in load simulation writing time in the more described load simulation recorded information and the load simulation instruction is consistent.
For example, the electric energy meter detection system can be set 1 minute electric quantity change of electric energy meter less than 10 degree, the electric weight of supposing 23 o'clock 58 fens electric energy meters on the 27th September in 2009 is 50 degree, chill point 0 electric quantity data on September 28th, 2009 is 52 degree in the reply data, 2 minutes electric quantity change of electric energy meter operation is 2 degree, average per minute changes 1 degree, less than 10 degree, so in the electric energy meter reply data chill point 0 electric quantity data on September 28th, 2009 in the power threshold scope that allows.
With the voltage circuit parallel connection with tested electric energy meter of the voltage input circuit of electric energy meter detection platform among Fig. 4, this device current return is connected with its current return, and 485 communication lines are connected (not shown among Fig. 4) with it.Test computer 401 issues the order that starts power supply, by the serial line interface of special use, is sent to the three-phase programmable power supply, and power supply provides working power for tested electric energy meter, and the alternating voltage current signal that supplies electric energy meter collection input.Instruction is set the time parameter that test computer 401 issues and the load simulation instruction is sent in serial 485 interfaces of tested electric energy meter, the electric energy meter that receives data is to passing the reply data of order down, through above-mentioned channel, oppositely be sent in the master station computer, once reply flow process thereby finish.Test computer 401 is by the control programmable power supply, change voltage, the current signal of its output, the various actual conditions that may occur of simulated field, for example: decompression, overvoltage, the phase failure, three-phase imbalance etc., the various situations that tested electric energy meter is gathered accurately, analytic record occurs, after corresponding data are preserved in arrangement categorizedly, electric energy meter will be waited for the request msg order that main website issues.After simulation main website 201 receives correct order, the data detection module 402 of data from the physical layer transmission to the data Layer that tested electric energy meter is replied carried out analyzing and processing data, produce corresponding analysis result; Finally generate survey report according to these analysis results at last.
The useful technique effect of the embodiment of the invention: the present invention can issue time parameter from the trend electric energy meter instruction and/or load simulation instruction are set, and electric energy meter is detected, and has solved the low and establishment testing process complicated problems of efficient hand-manipulated.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, can instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-OnlyMemory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an electric energy meter detection method is characterized in that, described method comprises:
Send the time parameter that comprises electric weight clearing frequency n, electric weight name day, electric energy meter time to described electric energy meter instruction and/or load simulation instruction are set, so that described electric energy meter generates name day information about power and load simulation recorded information;
To count order to described electric energy meter transmission, to obtain described name day information about power and load simulation recorded information;
Receive described electric energy meter and will count the reply data that comprises name day information about power and load simulation recorded information that order sends according to described;
Analyze described name day information about power and load simulation recorded information, and generate analysis result.
2. the method for claim 1 is characterized in that, analyzes described name day information about power and load simulation recorded information and comprises:
Whether more described name day information about power and described time parameter are provided with instruction consistent; And
Whether more described load simulation recorded information is consistent with described load simulation instruction.
3. method as claimed in claim 2 is characterized in that, more described name day information about power and described time parameter are provided with instruction consistent comprising whether:
Whether the name day electric weight in the more described name day information about power is in the power threshold scope that allows.
4. method as claimed in claim 2 is characterized in that, more described load simulation recorded information is instructed whether consistent comprising with described load simulation:
Whether the load simulation in the more described load simulation recorded information is consistent with the load simulation time in the load simulation instruction writing time.
5. the method for claim 1 is characterized in that, described load simulation instruction comprises power supply decompression, the phase failure and/or three-phase imbalance instruction.
6. an electric energy meter detection system is characterized in that, described system comprises:
Instruction sending unit, be used for sending the time parameter that comprises electric weight clearing frequency n, electric weight name day, electric energy meter time instruction and/or load simulation instruction are set, so that described electric energy meter generates name day information about power and load simulation recorded information to described electric energy meter;
Count command sending unit, be used for to count order, to obtain described name day information about power and load simulation recorded information to described electric energy meter transmission;
The reply data receiving element is used to receive described electric energy meter and will counts the reply data that comprises name day information about power and load simulation recorded information that order sends according to described;
Data analysis unit is used for analyzing the name day information about power and the load simulation recorded information of described reply data, and generates analysis result.
7. system as claimed in claim 6 is characterized in that, described data analysis unit, and whether the name day electric weight that specifically is used for more described name day information about power is in the power threshold scope that allows.
8. system as claimed in claim 6 is characterized in that, described data analysis unit, and whether the load simulation that specifically is used for more described load simulation recorded information is consistent with the load simulation time in the load simulation instruction writing time.
9. system as claimed in claim 6 is characterized in that, described load simulation instruction comprises power supply decompression, the phase failure and/or three-phase imbalance instruction.
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| CN 201010112081 CN102162841B (en) | 2010-02-23 | 2010-02-23 | Method and system for detecting electric energy meter |
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| CN 201010112081 CN102162841B (en) | 2010-02-23 | 2010-02-23 | Method and system for detecting electric energy meter |
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| CN109374964A (en) * | 2018-10-30 | 2019-02-22 | 四川洪诚电气科技有限公司 | Use electric detection method and Internet of things system based on Internet of Things |
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| CN102162841B (en) | 2013-09-18 |
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