CN202351422U - Automatic detection device of electric energy metering device - Google Patents
Automatic detection device of electric energy metering device Download PDFInfo
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- CN202351422U CN202351422U CN2011204599057U CN201120459905U CN202351422U CN 202351422 U CN202351422 U CN 202351422U CN 2011204599057 U CN2011204599057 U CN 2011204599057U CN 201120459905 U CN201120459905 U CN 201120459905U CN 202351422 U CN202351422 U CN 202351422U
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Abstract
The utility model discloses an automatic detection device of an electric energy metering device, which comprises a remote server and a plurality of detection terminals corresponding to detected electric energy meters. Each detection terminal is provided with a standard electric energy meter, a main processing unit and a communication module, wherein the standard electric energy meter is used for measuring a voltage and a current which are input into the detected electric energy meter, is also connected with the detected electric energy meter and is also used for acquiring a pulse signal of the detected electric energy meter to obtain a metering error of the detected electric energy meter; the main processing unit is connected the standard electric energy meter to receive the metering error; the main processing unit also has an error preset value and is used for sending a control signal when the metering error exceeds the error preset value; one end of the communication module is connected with the main processing unit to receive the control signal; and the data interaction is carried out between the other end of the communication module and a remote server. Compared with the prior art, automatic detection can be implemented, so that the safety, accuracy and reliability of the electric energy metering device are greatly improved.
Description
Technical field
The utility model relates to the Automatic Measurement Technique field, relates to a kind of automatic checkout system of electric power meter in particular, and it is mainly used in regularly detecting automatically and the on-line monitoring of operation conditions behind the electric power meter installation and operation.
Background technology
The calibrating record of electric power meter is the basis that the operation of power networks technical economical index is adjusted, and the trade both sides settle accounts the legal foundation of the electricity charge especially.At present, the management method of electric power meter mainly is regularly to carry detecting instrument by the professional to carry out periodic inspection to the scene; And after test result is write down and put in order by manual work, transfer administrative authority and analyze and manage.
But there is following shortcoming at least in above-mentioned traditional way to manage:
One: the workload of record, arrangement calibrating data is big, and sharing is poor, consults very inconvenience, and data are to when examining the work of error variation tendency loaded down with trivial details;
Two: artificial periodic calibration workload is big, working strength is high, and the labor management flow process is lengthy and tedious, the efficiency of management is low;
Three: the artificial periodic calibration cycle is long, and electric power meter occurs between the cycle detection fault, stealing or overproof problem can not in time be found and handle; The fault handling cycle is long, when so electric power meter took place often possibly wait until when examining and determine and could find fault in certain calibration interval next time;
Four: at every turn when electric energy meter is carried out on-the-spot accuracy test; Need the current return of seized table be connected with standard scale; And it is simultaneously that the voltage circuit of seized table is parallelly connected with standard scale; Operations such as will unclamping the connection terminal on the measuring screen and screw like this often has phenomenons such as the loosening or stripped thread of connection terminal after repeatedly, has bigger potential faults;
Five: (electric energy meter is demarcated electric current greater than 10% during the field test electrical energy meter accuracy load of circuit to be had certain requirement; It is big by 5% that S level electric energy meter is demarcated electric current; Power factor is greater than 0.5, and it is relatively stable to load), in case run into load or power factor is crossed low then the work of can not testing;
Six: walk factors such as line length, node are many based on the CT secondary circuit, CT and secondary circuit thereof become fault zone occurred frequently, also are the common terminals that stealing takes place; And existing cycle power failure detection mode can not be found and handling failure in time, promptly is difficult to investigate and prosecute electricity filching behavior.
In view of this, the inventor has this case to produce to the above-mentioned defective further investigation when electric power meter is detected then.
The utility model content
The purpose of the utility model is to provide a kind of automatic checkout system of electric power meter; It can find the fault of electric power meter; Improve the accuracy of electric energy metrical and the science that electric weight is remedied; Can also improve simultaneously monitoring of WT-MSR operation conditions and maintenance management level, help security, accuracy and the reliability of electric power meter.
In order to reach above-mentioned purpose, the solution of the utility model is:
A kind of automatic checkout system of electric power meter wherein, comprises remote server and a plurality of sense terminals corresponding to tested electric energy meter; Each sense terminals all has:
Standard electric energy meter is measured the voltage and current of the tested electric energy meter of input, and also links to each other with tested electric energy meter and gather the pulse signal of tested electric energy meter and obtain the error in dipping of tested electric energy meter;
Main Processor Unit links to each other with standard electric energy meter and receives this error in dipping, and this Main Processor Unit also has the error preset value, and when this error in dipping exceeds the error preset value, sends control signal;
Communication module, an end links to each other with Main Processor Unit and receives control signal, carries out data interaction between the other end and the remote server.
Further; This tested electric energy meter correspondence is provided with current transformer and voltage transformer (VT); This standard electric energy meter detects the electric current of the tested electric energy meter of input through linking to each other with the secondary coil serial connection of current transformer, and the secondary coil of this standard electric energy meter and voltage transformer (VT) is in parallel and detects the voltage of importing tested electric energy meter.
Further, this each sense terminals also has the drop measurement unit, and the voltage at tested electric energy meter and voltage transformer secondary coil two ends is measured in this drop measurement unit collection, and with data transmission to Main Processor Unit.
Further, this each sense terminals also has the generated energy acquisition unit, and this generated energy acquisition unit one end links to each other with Main Processor Unit, and the other end links to each other with tested electric energy meter through 485 communication interfaces.
Further, this each sense terminals also has the man-machine interface unit, and this man-machine interface unit links to each other with Main Processor Unit.
Further, this remote server also is provided with alarm.
After adopting said structure; The automatic checkout system that the utility model relates to; It is measured the voltage and current of importing in the tested electric energy meter through standard electric energy meter on the one hand; Let this standard electric energy meter gather the pulse signal of tested electric energy meter on the other hand again, so can let the variable of variable and tested electric energy meter of standard electric energy meter compare and obtain error in dipping, and when this error in dipping exceeds the error preset value in the Main Processor Unit; Then can inform remote service person through communication module, this moment, this remote server then can carry out such as reaction such as caution and the prompting staff notes.So, the utility model can be realized detecting automatically, thereby has improved security, accuracy and the reliability of electric power meter greatly.
Description of drawings
Fig. 1 relates to a kind of theory diagram of automatic checkout system of electric power meter for the utility model.
Among the figure:
Automatic checkout system 100
Remote server 1 sense terminals 2
Standard electric energy meter 21 Main Processor Units 22
25 man-machine interface unit 26, generated energy acquisition unit
Tested electric energy meter 200 current transformers 300
Voltage transformer (VT) 400.
Embodiment
In order further to explain the technical scheme of the utility model, come the utility model is set forth in detail through specific embodiment below.
As shown in Figure 1, it relates to a kind of preferred embodiment of automatic checkout system 100 of electric power meter for the utility model.This automatic checkout system 100 comprises remote server 1 and a plurality of sense terminals 2 corresponding to tested electric energy meter 200; In the present embodiment, for the ease of expression, this sense terminals 2 only shows one, and in real work, the quantity of this sense terminals 2 should be matched with the quantity of tested electric energy meter 200.
Each sense terminals 2 all has standard electric energy meter 21, Main Processor Unit 22 and communication module 23 at least, wherein:
This standard electric energy meter 21; Measure the voltage and current of the tested electric energy meter 200 of input; And also link to each other and gather the pulse signal of tested electric energy meter 200 with tested electric energy meter 200; So it obtains the standard meter value according to the virtual voltage current value, and after comparing through the actual metered value with tested electric energy meter 200, and obtains the error in dipping of tested electric energy meter 200;
This Main Processor Unit 22 links to each other with standard electric energy meter 21 and receives this error in dipping, and this Main Processor Unit 22 also has the error preset value, and when this error in dipping exceeded the error preset value, this Main Processor Unit 22 sent control signal;
These communication module 23, one ends link to each other with Main Processor Unit 22 and receive control signal, carry out data interaction between the other end and the remote server 1.Preferably, this remote server 1 also is provided with the alarm (not shown), so can send alerting signal according to control signal, and then plays the effect of prompting.
Like this; The automatic checkout system 100 that the utility model relates to; It is measured through the voltage and current in 21 pairs of tested electric energy meters 200 of input of standard electric energy meter on the one hand; Let this standard electric energy meter 21 gather the pulse signal of tested electric energy meter 200 on the other hand again, so can let the variable of variable and tested electric energy meter 200 of standard electric energy meter 21 compare and obtain error in dipping, and when this error in dipping exceeds the error preset value in the Main Processor Unit 22; Then can inform remote service person through communication module 23, this moment, 1 of this remote server can carry out such as reaction such as caution and the prompting staff notes.
Actual connected mode as the electric current and the voltage detection terminal of this standard electric energy meter 21; Because these tested electric energy meter 200 correspondences are provided with current transformer 300 and voltage transformer (VT) 400; So this standard electric energy meter 21 can link to each other through being connected in series with the secondary coil of current transformer 300, and detect the electric current of the tested electric energy meter 200 of input; This standard electric energy meter 21 is in parallel through the secondary coil with voltage transformer (VT) 400 simultaneously, and detects the voltage of the tested electric energy meter 200 of input.
In addition; This each sense terminals 2 also has drop measurement unit 24; The voltage of measuring tested electric energy meter 200 and voltage transformer (VT) 400 secondary coil two ends is gathered in this drop measurement unit 24; And with data transmission to Main Processor Unit 22, like this then can calculate both voltage difference amplitude and phase difference value.
Preferably, this each sense terminals 2 also has generated energy acquisition unit 25, and these generated energy acquisition unit 25 1 ends link to each other with Main Processor Unit 22, and the other end links to each other with tested electric energy meter 200 through 485 communication interfaces.The internal data that 22 of this Main Processor Units can the tested electric energy meter 200 of copy reading is so promptly put energy, voltage and current etc.; In addition, this each sense terminals 2 also has man-machine interface unit 26, and this man-machine interface unit 26 links to each other with Main Processor Unit 22, so can change the mode of operation of Main Processor Unit 22 etc.Certainly on this remote server 1 corresponding application software can also be installed, make it carry out teledata and control command transmission with sense terminals 2 through communication network.
Thus, compared with prior art, the utility model has following advantage at least:
One, the utility model has been realized the automatic on-line periodic calibration to electric power meter; The calibration interval and the fault handling cycle that solve artificial on-the-spot periodic calibration effectively are long; Problems such as electric power meter occurs between the cycle detection fault or overproof problem can not in time be found, handle, and the periodic calibration workload is big, task is heavy;
Two, the utility model can on-line real time monitoring load condition and the error condition of electric energy meter of each circuit, realized electric energy meter accuracy stability is carried out online evaluation, for the type selecting work of electric energy meter provides scientific basis;
Three, the utility model can on-line real time monitoring load condition and the error condition of electric energy meter of each circuit, realize electric energy meter accuracy stability is carried out online evaluation, for the type selecting work of electric energy meter provides scientific basis;
Four, the utility model is realized with no paper data management means, for office automation provides the basis; The record, the arrangement calibrating workload data that have solved artificial calibrating are big, and sharing is poor, consult very inconvenient data to when examining problems such as the work of error variation tendency is loaded down with trivial details.
Product form of the foregoing description and graphic and non-limiting the utility model and style, the those of ordinary skill of any affiliated technical field all should be regarded as not breaking away from the patent category of the utility model to its suitable variation or modification of doing.
Claims (6)
1. the automatic checkout system of an electric power meter is characterized in that, comprises remote server and a plurality of sense terminals corresponding to tested electric energy meter; Each sense terminals all has:
Standard electric energy meter is measured the voltage and current of the tested electric energy meter of input, and also links to each other with tested electric energy meter and gather the pulse signal of tested electric energy meter and obtain the error in dipping of tested electric energy meter;
Main Processor Unit links to each other with standard electric energy meter and receives this error in dipping, and this Main Processor Unit also has the error preset value, and when this error in dipping exceeds the error preset value, sends control signal;
Communication module, an end links to each other with Main Processor Unit and receives control signal, carries out data interaction between the other end and the remote server.
2. the automatic checkout system of a kind of electric power meter as claimed in claim 1; It is characterized in that; This tested electric energy meter correspondence is provided with current transformer and voltage transformer (VT); This standard electric energy meter detects the electric current of the tested electric energy meter of input through linking to each other with the secondary coil serial connection of current transformer, and the secondary coil of this standard electric energy meter and voltage transformer (VT) is in parallel and detects the voltage of importing tested electric energy meter.
3. the automatic checkout system of a kind of electric power meter as claimed in claim 2; It is characterized in that; This each sense terminals also has the drop measurement unit; The voltage at tested electric energy meter and voltage transformer secondary coil two ends is measured in this drop measurement unit collection, and with data transmission to Main Processor Unit.
4. the automatic checkout system of a kind of electric power meter as claimed in claim 1; It is characterized in that; This each sense terminals also has the generated energy acquisition unit, and this generated energy acquisition unit one end links to each other with Main Processor Unit, and the other end links to each other with tested electric energy meter through 485 communication interfaces.
5. the automatic checkout system of a kind of electric power meter as claimed in claim 1 is characterized in that, this each sense terminals also has the man-machine interface unit, and this man-machine interface unit links to each other with Main Processor Unit.
6. the automatic checkout system of a kind of electric power meter as claimed in claim 1 is characterized in that, this remote server also is provided with alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204599057U CN202351422U (en) | 2011-11-18 | 2011-11-18 | Automatic detection device of electric energy metering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204599057U CN202351422U (en) | 2011-11-18 | 2011-11-18 | Automatic detection device of electric energy metering device |
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| CN202351422U true CN202351422U (en) | 2012-07-25 |
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| CN2011204599057U Expired - Lifetime CN202351422U (en) | 2011-11-18 | 2011-11-18 | Automatic detection device of electric energy metering device |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967841A (en) * | 2012-11-29 | 2013-03-13 | 辽宁省电力有限公司电力科学研究院 | Automatic digital multimeter verification system and method based on meter and source integration and application of system and method |
| CN104483653A (en) * | 2015-01-04 | 2015-04-01 | 潍坊五洲浩特电气有限公司 | Automatic detection system and method for intelligent electric energy meter motherboard |
| CN104280715B (en) * | 2014-10-17 | 2017-01-11 | 国网四川省电力公司电力科学研究院 | Gateway electric energy meter online monitoring system |
| CN106405478A (en) * | 2016-10-14 | 2017-02-15 | 深圳供电局有限公司 | Electronic type electric energy meter remote online detection and fault analysis system |
| CN106569165A (en) * | 2016-10-14 | 2017-04-19 | 深圳供电局有限公司 | Remote online detection system for metering performance of electronic electric energy meter |
| CN107037390A (en) * | 2017-02-10 | 2017-08-11 | 国网浙江台州市黄岩区供电公司 | Impact load is to electric energy metering error remote monitoring of customer end |
| CN107064669A (en) * | 2017-02-10 | 2017-08-18 | 国网浙江台州市黄岩区供电公司 | Impact load is to the long-range monitoring main frame of electric energy metering error |
| CN107102285A (en) * | 2017-04-06 | 2017-08-29 | 贵州大学 | A kind of remote electric energy meter calibrating and standard test platform data collecting system |
| CN107144809A (en) * | 2017-05-15 | 2017-09-08 | 中国电力科学研究院 | A kind of portable system and method for being used to carry out digitalized electrical energy meter live on-line testing |
| CN107462864A (en) * | 2017-09-20 | 2017-12-12 | 国网湖南省电力公司 | Electric energy metering secondary overall operation situation on-Line Monitor Device and application process |
| CN107909804A (en) * | 2017-11-15 | 2018-04-13 | 成都理工大学 | Field diagnostic device and diagnostic method for Geological Hazards Monitoring equipment |
| CN109683120A (en) * | 2018-12-25 | 2019-04-26 | 江苏盛德电子仪表有限公司 | A kind of single-phase cost-control intelligent table and its method of calibration with remote verification module |
| CN110554351A (en) * | 2019-09-30 | 2019-12-10 | 国网山东省电力公司电力科学研究院 | real load detection method and system of non-invasive load electric energy meter |
| CN111122963A (en) * | 2019-12-03 | 2020-05-08 | 深圳供电局有限公司 | Time-sharing electric quantity abnormity judgment and repair method for electric meter of metering automation system |
| CN111308188A (en) * | 2020-03-31 | 2020-06-19 | 湖南省计量检测研究院 | High-precision direct-current electric energy meter metering device and method |
| CN112213686A (en) * | 2020-08-27 | 2021-01-12 | 国网山东省电力公司日照供电公司 | Checking system of automatic calibrating device of electric energy meter |
| CN112305491A (en) * | 2020-10-30 | 2021-02-02 | 海南电网有限责任公司 | Multi-loop switching method |
| CN113671436A (en) * | 2021-09-09 | 2021-11-19 | 国网上海市电力公司 | Wireless detection method and system for intelligent electric energy meter |
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2011
- 2011-11-18 CN CN2011204599057U patent/CN202351422U/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967841A (en) * | 2012-11-29 | 2013-03-13 | 辽宁省电力有限公司电力科学研究院 | Automatic digital multimeter verification system and method based on meter and source integration and application of system and method |
| CN104280715B (en) * | 2014-10-17 | 2017-01-11 | 国网四川省电力公司电力科学研究院 | Gateway electric energy meter online monitoring system |
| CN104483653A (en) * | 2015-01-04 | 2015-04-01 | 潍坊五洲浩特电气有限公司 | Automatic detection system and method for intelligent electric energy meter motherboard |
| CN106405478A (en) * | 2016-10-14 | 2017-02-15 | 深圳供电局有限公司 | Electronic type electric energy meter remote online detection and fault analysis system |
| CN106569165A (en) * | 2016-10-14 | 2017-04-19 | 深圳供电局有限公司 | Remote online detection system for metering performance of electronic electric energy meter |
| CN107037390A (en) * | 2017-02-10 | 2017-08-11 | 国网浙江台州市黄岩区供电公司 | Impact load is to electric energy metering error remote monitoring of customer end |
| CN107064669A (en) * | 2017-02-10 | 2017-08-18 | 国网浙江台州市黄岩区供电公司 | Impact load is to the long-range monitoring main frame of electric energy metering error |
| CN107102285A (en) * | 2017-04-06 | 2017-08-29 | 贵州大学 | A kind of remote electric energy meter calibrating and standard test platform data collecting system |
| CN107144809A (en) * | 2017-05-15 | 2017-09-08 | 中国电力科学研究院 | A kind of portable system and method for being used to carry out digitalized electrical energy meter live on-line testing |
| CN107462864A (en) * | 2017-09-20 | 2017-12-12 | 国网湖南省电力公司 | Electric energy metering secondary overall operation situation on-Line Monitor Device and application process |
| CN107909804A (en) * | 2017-11-15 | 2018-04-13 | 成都理工大学 | Field diagnostic device and diagnostic method for Geological Hazards Monitoring equipment |
| CN109683120A (en) * | 2018-12-25 | 2019-04-26 | 江苏盛德电子仪表有限公司 | A kind of single-phase cost-control intelligent table and its method of calibration with remote verification module |
| CN110554351A (en) * | 2019-09-30 | 2019-12-10 | 国网山东省电力公司电力科学研究院 | real load detection method and system of non-invasive load electric energy meter |
| CN110554351B (en) * | 2019-09-30 | 2022-03-29 | 国网山东省电力公司营销服务中心(计量中心) | Real load detection method and system of non-invasive load electric energy meter |
| CN111122963A (en) * | 2019-12-03 | 2020-05-08 | 深圳供电局有限公司 | Time-sharing electric quantity abnormity judgment and repair method for electric meter of metering automation system |
| CN111308188A (en) * | 2020-03-31 | 2020-06-19 | 湖南省计量检测研究院 | High-precision direct-current electric energy meter metering device and method |
| CN112213686A (en) * | 2020-08-27 | 2021-01-12 | 国网山东省电力公司日照供电公司 | Checking system of automatic calibrating device of electric energy meter |
| CN112305491A (en) * | 2020-10-30 | 2021-02-02 | 海南电网有限责任公司 | Multi-loop switching method |
| CN112305491B (en) * | 2020-10-30 | 2023-12-29 | 海南电网有限责任公司 | Multi-loop switching method |
| CN113671436A (en) * | 2021-09-09 | 2021-11-19 | 国网上海市电力公司 | Wireless detection method and system for intelligent electric energy meter |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Unit E 21 layer ocean light No. 33 building, 361001 Xiamen Road, Siming District, Narcissus in Fujian Province Patentee after: Red phase Limited by Share Ltd Address before: Unit E 21 layer ocean light No. 33 building, 361001 Xiamen Road, Siming District, Narcissus in Fujian Province Patentee before: Xiamen Red Phase Instruments Inc. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 361001 one of the 1002 units of No. 3 Nantou Road, Siming District, Xiamen, Fujian. Patentee after: Red phase Limited by Share Ltd Address before: 361001 E 21 unit, Hai Guang building, 33 Narcissus Road, Siming Road, Xiamen, Fujian Patentee before: Red phase Limited by Share Ltd |
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| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
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| CX01 | Expiry of patent term |