CN106405474A - Electric energy meter field detection equipment having automatic quantity value source tracing function - Google Patents
Electric energy meter field detection equipment having automatic quantity value source tracing function Download PDFInfo
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- CN106405474A CN106405474A CN201610773679.7A CN201610773679A CN106405474A CN 106405474 A CN106405474 A CN 106405474A CN 201610773679 A CN201610773679 A CN 201610773679A CN 106405474 A CN106405474 A CN 106405474A
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- electric energy
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses electric energy meter field detection equipment having an automatic quantity value source tracing function. The electric energy meter field detection equipment comprises four parts of an image identification module, an etalon, an error detection module and a remote communication module. The image identification module identifies the meter number, the model number, the specification and the accuracy class of a detected electric energy meter through an optical sensor. The etalon has an electric energy metering standard value measurement function and provides an equipment unique electronic identifier. The error detection module is internally provided with a value comparator and used for electric energy meter error detection. The remote communication module is provided with a security authentication submodule which is internally provided with an information security encryption algorithm so that the communication security between the electric energy meter field detection equipment and a metering management center information system can be guaranteed and automatic quantity value source tracing can be realized. The electric energy meter field detection equipment is suitable for the field of electric energy metering, electric power system automation and the like so as to have the characteristics of being accurate and efficient, secure and reliable and convenient to configure and have wide market prospect.
Description
Technical field
The present invention relates to a kind of electric energy meter field testing equipment, particularly a kind of electric energy possessing automatic magnitude tracing function
Table field detecting device, belongs to electric energy metrical field.
Background technology
With deepening continuously of China's electric Power Reform, electricity market constantly expands, and need for electricity is also being continuously increased, to electricity
The electric energy meter of network operation carries out Site Detection work and becomes the guarantee accuracy of electric energy metrical and the important way of effectiveness.As
Most basic ingredient in power information acquisition system, the function ruuning situation of electric energy meter directly influences power information collection
The stability of system and safety.The error amount at the scene electric energy meter is carried out detecting, detecting whether in rational scope, this
Whether one electric energy meter detection mode is widely used, and is all the problem being worth further investigated at present.According to state
Border suggestion and the requirement of detection code, electric energy meter error detection is to carry out under the laboratory condition of regulation.And for electricity consumption
For user, the kinematic error under working condition is only the key factor of impact metering and billing to electric energy meter at the scene.Due to electric energy
The detection of table kinematic error and acquisition are affected by many factors such as work flow, running environment and field working conditions, these problems
There is the accuracy badly influencing electric energy meter testing result.It is therefore desirable to be come to electric energy meter field using rational method
Detection improves, to ensure the accuracy of electric energy meter metering.Magnitude tracing is the classical metering verification mode of a class, Ke Yi
Add data acquisition and the magnitude tracing function of automatization, to support electric energy meter field detection work in electric energy meter field testing equipment
Make.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of electric energy meter field detection possessing automatic magnitude tracing function
Equipment, solves the problems, such as electric energy meter accurate measurement, in order to realize the technology mesh of automatic magnitude tracing in electric energy meter field detection process
's.
The present invention is realized in：Described equipment includes picture recognition module, standard, error sensing module and long-range
Communication module；
Described image identification module is used for shooting and identifying the nameplate parameter information of tested electric energy meter, and exports and remotely lead to described
The first input end of letter module；
Described standard is connected with the first input end of described error sensing module, for the electric energy metrical mark measuring standard
Quasi- numerical information is sent to described error sensing module；
Second input of described error sensing module is connected with the outfan of tested electric energy meter, for receiving tested electric energy meter
Electric energy numerical information, and the electric energy metrical standard figures information being sent with described standard is compared and calculates, and obtains quilt
Survey the electric energy error information of electric energy meter, and exported by outfan；
Second input of described remote communication module is connected with the outfan of described error sensing module, for receiving described mistake
The electric energy error information of difference detection module output, and this electric energy error information is tested with what described image identification module sent
The nameplate parameter information of electric energy meter is sent to distance host.
Described nameplate parameter information includes table number, model, specification and class of accuracy.
It is provided with digital comparator in described error sensing module, and digital comparator inputs with the first of error sensing module
End, the second input, outfan are connected, for receiving the electric energy metrical standard figures information of standard, the electricity of tested electric energy meter
Energy numerical information, compares the size of electric energy metrical standard figures information and electric energy numerical information, obtains electric energy error information, and will
Electric energy error information is exported by outfan.
It is provided with not modifiable unique mark, for electric energy meter value tested in distance host to country in described standard
The tracing to the source of measurement criteria.
Described not modifiable unique mark is exported the 3rd input of described remote communication module by standard, and by
Remote communication module is sent to distance host.
It is provided with safety certification submodule, for the information encryption in communication process in described remote communication module.
The built-in asymmetric cryptographic algorithm of described safety certification submodule and symmetric cryptographic algorithm.
The present invention realizes multinomial manually-operated automated job in electric energy meter field detection process, effectively improves work effect
Rate it is ensured that detection data accurately and reliably.The present invention adopts picture recognition module, standard, error sensing module and long-range
Communication module is integrated in electric energy meter field testing equipment, realizes automatic magnitude tracing function in electric energy meter field detection process,
Have the advantages that simple to operate, be easy to configure.
Brief description
Fig. 1 is the schematic diagram of the electric energy meter field testing equipment possessing automatic magnitude tracing function.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art is permissible
More fully understand the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
At present the electric energy meter of China is during carrying out Site Detection, the unspecial technology scene to electric energy meter
Detection exercises supervision, and this problem is one of current electric energy meter field detection urgent problem, has also derived each simultaneously
Plant other problems so that the difficulty of electric energy meter field detection increases further.Magnitude tracing is that have regulation not by one
The continual of degree of certainty compares chain, enables the value of measurement result or measurement standard and reference standard (the typically state of regulation
Family's measurement criteria or international metering standard) characteristic that connects, the topmost technological means realizing magnitude tracing function are
Calibration and detection.Magnitude tracing function is integrated in an equipment with electric energy meter detection function, on the one hand improves electric energy meter
The accuracy of Site Detection, on the other hand makes magnitude tracing function effectively be used.
Embodiment 1：
Referring to the drawings 1, the present embodiment is made up of electric energy meter field testing equipment 1, tested electric energy meter 6 and distance host 7.Electric energy meter
Field detecting device 1 is mainly made up of picture recognition module 2, standard 3, error sensing module 4 and remote communication module 5.Its
The outfan of middle picture recognition module 2 is connected with the first input end of remote communication module 5；The first of error sensing module 4 is defeated
Enter end to be connected with the outfan of standard 3；Second input of error sensing module 4 is connected with the outfan of tested electric energy meter 6；
The outfan of error sensing module 4 is connected with the second input of remote communication module 5；The outfan of standard 3 leads to remotely
3rd input of letter module 5 is connected.Picture recognition module 2, standard 3, error sensing module 4 and remote communication module 5
Input and output I/O interface is all using RS-485 standard.Picture recognition module 2 is provided with optical pickocff；Standard 3 has measurement electricity
The function of energy measurement criteria numerical value, and it is provided with the unique identification information of hardware.It is provided with digital comparator in error sensing module 4,
Digital comparator is made up of medium scale integration (MSI) MSI；The first input end of digital comparator and error sensing module 4, second
Input, outfan are connected.Remote communication module 5 by embedded scm ARM as core architecture, and support GPRS remotely lead to
Beacon is accurate；It is provided with safety certification submodule, safety certification submodule built-in asymmetric cryptographic algorithm state is close in remote communication module 5
SM2 algorithm and symmetric cryptographic algorithm state close SM1 algorithm.Tested electric energy meter 6 surface carry nameplate, on nameplate mark table number, model,
Specification and the information such as class of accuracy.Distance host 7 is located at management through quantification center, supports GPRS telecommunication standards.
The present embodiment workflow is as follows：Before electric energy meter field detection, first formulate technological document according to standard schedule, make
Standard 3 measurement standard electric energy draws electric energy metrical standard figures, and according to site environment reasonable selection electricity parameter.Detection work
After making to start, the optical pickocff of picture recognition module 2 is directed at the nameplate of tested electric energy meter 6, shoots and identify table number, type
Number, the information such as specification and class of accuracy, and be translated into digital data transmission to the first input of remote communication module 5
End.Error sensing module 4 passes through the electric energy numerical value that the second input end interface circuit obtains tested electric energy meter 6 metering, passes through simultaneously
First input end interface circuit obtains the electric energy metrical standard figures that standard 3 records.Digital comparator in error sensing module 4
The electric energy metrical standard figures that the electric energy numerical information of tested electric energy meter 6 is measured with standard 3 carries out size and compares, and obtains electricity
Can control information.Calculated electric energy error information transmission is inputted by error sensing module 4 to the second of remote communication module 5
End.Equipment unique identification information is sent to the 3rd input of remote communication module by standard 3.Remote communication module 5 receives
After electric energy error information, electric energy meter nameplate parameter information and equipment unique identification information, through safety certification submodule to more than
Data is encrypted.Meanwhile, remote communication module 5 initiates communication connection request to the distance host 7 at management through quantification center,
After receiving the signaling of shaking hands of distance host 7, through safety certification preset in the submodule close SM2 of asymmetric cryptographic algorithm state with
Symmetric cryptographic algorithm state close SM1 algorithm completes information security certification.After completing information security certification, remote communication module 5 is passed through
GPRS telecommunications functions are by information transfers such as the error amount of tested electric energy meter, electric energy meter nameplate parameter and equipment unique marks extremely
Distance host 7 main website, distance host 7 carries out the magnitude tracing of tested electric energy meter error numerical value after receiving data above.
Embodiment 2：
Referring to the drawings 1, the present embodiment is made up of electric energy meter field testing equipment 1, tested electric energy meter 6 and distance host 7.Electric energy meter
Field detecting device 1 is mainly made up of picture recognition module 2, standard 3, error sensing module 4 and remote communication module 5.Its
The outfan of middle picture recognition module 2 is connected with the first input end of remote communication module 5；The first of error sensing module 4 is defeated
Enter end to be connected with the outfan of standard 3；Second input of error sensing module 4 is connected with the outfan of tested electric energy meter 6；
The outfan of error sensing module 4 is connected with the second input of remote communication module 5；The outfan of standard 3 leads to remotely
3rd input of letter module 5 is connected.Picture recognition module 2, standard 3, error sensing module 4 and remote communication module 5
Input and output I/O interface is all using rs-232 standard.Picture recognition module 2 is provided with optical pickocff；Standard 3 has measurement electricity
The function of energy measurement criteria numerical value, and it is provided with the unique identification information of hardware.It is provided with digital comparator in error sensing module 4,
Digital comparator is realized by programmable logic device (CPLD)；The first input end of digital comparator and error sensing module 4, second
Input, outfan are connected.Remote communication module 5 and supports that TCP/IP is remote by digital signal processor DSP as core architecture
Journey communication standard；It is provided with safety certification submodule, the built-in asymmetric cryptographic algorithm of safety certification submodule in remote communication module 5
State's close SM2 algorithm and symmetric cryptographic algorithm state close SM1 algorithm.Tested electric energy meter 6 surface carry nameplate, on nameplate mark table number,
The information such as model, specification and class of accuracy.Distance host 7 is located at management through quantification center, supports TCP/IP telecommunication standards.
The present embodiment workflow is as follows：Before electric energy meter field detection, first formulate technological document according to standard schedule, make
Standard 3 measurement standard electric energy draws electric energy metrical standard figures, and according to site environment reasonable selection electricity parameter.Detection work
After making to start, the optical pickocff of picture recognition module 2 is directed at the nameplate of tested electric energy meter 6, shoots and identify table number, type
Number, the information such as specification and class of accuracy, and be translated into digital data transmission to the first input of remote communication module 5
End.Error sensing module 4 passes through the electric energy numerical value that the second input end interface circuit obtains tested electric energy meter 6 metering, passes through simultaneously
First input end interface circuit obtains the electric energy metrical standard figures that standard 3 records.Digital comparator in error sensing module 4
The electric energy metrical standard figures that the electric energy numerical information of tested electric energy meter 6 is measured with standard 3 carries out size and compares, and obtains electricity
Can control information.Calculated electric energy error information transmission is inputted by error sensing module 4 to the second of remote communication module 5
End.Equipment unique identification information is sent to the 3rd input of remote communication module by standard 3.Remote communication module 5 receives
After electric energy error information, electric energy meter nameplate parameter information and equipment unique identification information, through safety certification submodule to more than
Data is encrypted.Meanwhile, remote communication module 5 initiates communication connection request to the distance host 7 at management through quantification center,
After receiving the signaling of shaking hands of distance host 7, through safety certification preset in the submodule close SM2 of asymmetric cryptographic algorithm state with
Symmetric cryptographic algorithm state close SM1 algorithm completes information security certification.After completing information security certification, remote communication module 5 is passed through
TCP/IP telecommunications functions are by information transfers such as the error amount of tested electric energy meter, electric energy meter nameplate parameter and equipment unique marks
To distance host 7 main website, distance host 7 carries out the magnitude tracing of tested electric energy meter error numerical value after receiving data above.
The method have technical effect that：Multiple modules are integrated in a field detecting device, realize electric energy performance
Multinomial manually-operated automated job in the detection process of field, realizes automatic magnitude tracing work(in electric energy meter field detection process
Energy；Effectively improve work efficiency it is ensured that detection data accurately and reliably；Have the advantages that simple to operate, be easy to configure.Using
Telecommunication technique, realizes the wireless connection of point-to-point, is conducive to data exchange.In electric energy meter field testing equipment and gauge line
Reason centre information system is authenticated, all employ algorithm for encryption technology in data protection process and data transmission procedure, guarantee
Electric energy metrical information is not stolen, and effectively prevent the generation of illegal altered data event.Can be used for electric energy metrical, power train
The fields such as system automatization, have good economic and social benefit.
Embodiment described above is only the preferred embodiment lifted for absolutely proving the present invention, the protection model of the present invention
Enclose not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, all in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (7)
1. a kind of electric energy meter field testing equipment possessing automatic magnitude tracing function is it is characterised in that described equipment includes figure
As identification module, standard, error sensing module and remote communication module；
Described image identification module is used for shooting and identifying the nameplate parameter information of tested electric energy meter, and exports and remotely lead to described
The first input end of letter module；
Described standard is connected with the first input end of described error sensing module, for the electric energy metrical mark measuring standard
Quasi- numerical information is sent to described error sensing module；
Second input of described error sensing module is connected with the outfan of tested electric energy meter, for receiving tested electric energy meter
Electric energy numerical information, and the electric energy metrical standard figures information being sent with described standard is compared and calculates, and obtains quilt
Survey the electric energy error information of electric energy meter, and exported by outfan；
Second input of described remote communication module is connected with the outfan of described error sensing module, for receiving described mistake
The electric energy error information of difference detection module output, and this electric energy error information is tested with what described image identification module sent
The nameplate parameter information of electric energy meter is sent to distance host.
2. equipment according to claim 1 it is characterised in that described nameplate parameter information include table number, model, specification with
Class of accuracy.
3. equipment according to claim 1 is it is characterised in that be provided with digital comparator in described error sensing module, and
The first input end of digital comparator and error sensing module, the second input, outfan are connected, for receiving the electricity of standard
Energy measurement criteria numerical information, the electric energy numerical information of tested electric energy meter, compare electric energy metrical standard figures information and electric energy number
The size of value information, obtains electric energy error information, and electric energy error information is exported by outfan.
4. equipment according to claim 1 is it is characterised in that be provided with not modifiable unique mark in described standard,
For electric energy meter value tracing to the source to national measurement standard tested in distance host.
5. equipment according to claim 4 is it is characterised in that described not modifiable unique mark is exported by standard
3rd input of described remote communication module, and distance host is sent to by remote communication module.
6. equipment according to claim 1 is it is characterised in that be provided with safety certification submodule in described remote communication module
Block, for the information encryption in communication process.
7. equipment according to claim 6 is it is characterised in that the built-in asymmetric cryptographic algorithm of described safety certification submodule
And symmetric cryptographic algorithm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610773679.7A CN106405474A (en) | 2016-08-31 | 2016-08-31 | Electric energy meter field detection equipment having automatic quantity value source tracing function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610773679.7A CN106405474A (en) | 2016-08-31 | 2016-08-31 | Electric energy meter field detection equipment having automatic quantity value source tracing function |
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| CN201610773679.7A Pending CN106405474A (en) | 2016-08-31 | 2016-08-31 | Electric energy meter field detection equipment having automatic quantity value source tracing function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425523A (en) * | 2017-08-09 | 2017-12-01 | 国网辽宁省电力有限公司 | A kind of complicated electric power system kinematic error identification and auto-correction method and system |
| CN111914969A (en) * | 2020-08-12 | 2020-11-10 | 国网黑龙江省电力有限公司供电服务中心 | Electric energy meter test management service system |
| CN111947701A (en) * | 2019-05-17 | 2020-11-17 | 向友刚 | Measuring device |
| WO2020233519A1 (en) * | 2019-05-17 | 2020-11-26 | Xiang Yougang | Measuring instrument and remote volume value transmission/quantity value traceability method |
| CN112577542A (en) * | 2019-09-27 | 2021-03-30 | 广州中测检测技术有限公司 | Measuring instrument and remote quantity transmission/tracing method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107425523A (en) * | 2017-08-09 | 2017-12-01 | 国网辽宁省电力有限公司 | A kind of complicated electric power system kinematic error identification and auto-correction method and system |
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| WO2020233519A1 (en) * | 2019-05-17 | 2020-11-26 | Xiang Yougang | Measuring instrument and remote volume value transmission/quantity value traceability method |
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| CN112577542A (en) * | 2019-09-27 | 2021-03-30 | 广州中测检测技术有限公司 | Measuring instrument and remote quantity transmission/tracing method thereof |
| CN111914969A (en) * | 2020-08-12 | 2020-11-10 | 国网黑龙江省电力有限公司供电服务中心 | Electric energy meter test management service system |
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