CN112083242A - On-site calibrating device and method for alternating current charging pile - Google Patents
On-site calibrating device and method for alternating current charging pile Download PDFInfo
- Publication number
- CN112083242A CN112083242A CN202010862725.7A CN202010862725A CN112083242A CN 112083242 A CN112083242 A CN 112083242A CN 202010862725 A CN202010862725 A CN 202010862725A CN 112083242 A CN112083242 A CN 112083242A
- Authority
- CN
- China
- Prior art keywords
- charging pile
- electric energy
- current charging
- alternating
- meter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005070 sampling Methods 0.000 claims abstract description 55
- 238000012795 verification Methods 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 8
- 230000010354 integration Effects 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000003556 assay Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 238000004590 computer program Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a field calibration device and method for an alternating current charging pile, and belongs to the technical field of electric energy metering. The device of the invention comprises: the sampling module is connected with the alternating-current charging pile to be tested, collects voltage/current signals in the charging process of the alternating-current charging pile to be tested, and transmits the voltage/current signals to the sampling CPU; the sampling CPU receives the voltage/current signals collected by the sampling module, performs electric energy integration on the voltage/current signals to obtain an electric energy value, and outputs standard electric energy meter pulses according to the electric energy value and preset turns; the verification module is used for acquiring the pulse number of the standard electric energy meter and the pulse number of the to-be-detected alternating-current charging pile, comparing the pulse number of the standard electric energy meter and the pulse number of the to-be-detected meter to obtain an error value, verifying the to-be-detected alternating-current charging pile according to the error value and obtaining a verification result. The device adopts an integrated design, has light weight, occupies small area, is light in weight, is more portable and has higher precision compared with the prior art.
Description
Technical Field
The invention relates to the technical field of electric energy metering, in particular to a field calibration device and method for an alternating current charging pile
Background
At present, electric automobile charging piles are listed in a catalogue of a metering device which is forcibly verified by a market supervision and management bureau, the requirement is listed in the catalogue of the metering device with a V (forcible verification) supervision mode, forcible verification is accepted in use, the charging piles serve as a new comprehensive industry, a plurality of new requirements are provided for metering and verification work, after a gun is designed, a current point is automatically selected by equipment according to a flow, metering parameters are automatically collected, errors are calculated, and a measuring result is uploaded to an integrated verification device of a management background in a wireless mode.
Disclosure of Invention
In order to solve the above problems, the present invention provides an on-site calibration apparatus for an ac charging pile, including:
the programmable load module is used for loading the alternating current charging pile load to be tested;
the sampling module is connected with the alternating current charging pile to be tested, collects voltage/current signals in the loading process of the alternating current charging pile to be tested, and transmits the voltage/current signals to the sampling CPU;
the sampling CPU receives the voltage/current signals collected by the sampling module, performs electric energy integration on the voltage/current signals to obtain an electric energy value, and outputs standard electric energy meter pulses according to the electric energy value and preset turns;
the verification module is used for acquiring the pulse number of the standard electric energy meter and the pulse number of the to-be-detected alternating-current charging pile, comparing the pulse number of the standard electric energy meter and the pulse number of the to-be-detected alternating-current charging pile to obtain an error value, verifying the to-be-detected alternating-current charging pile according to the error value and obtaining a verification result.
Optionally, the apparatus further includes a calibration module, where the calibration module includes:
the satellite time service unit is used for acquiring the satellite time service time of the alternating-current charging pile to be tested;
the temperature and humidity measuring unit is used for acquiring the temperature and humidity value of the alternating-current charging pile to be measured;
the main control CPU receives the IPAD instruction, controls the programmable load unit to load the load of the alternating current charging pile to be tested according to the IPAD instruction, reads an error value and an electric energy value determined by the sampling CPU, the satellite time service time of the alternating current charging pile and the temperature and humidity value of the alternating current charging pile, generates calibration data in a standard format and transmits the calibration data to the IPAD unit;
the programmable load unit is used for loading the alternating current charging pile load to be tested;
and the IPAD unit outputs an IPAD command to be transmitted to the main control CPU, and calibrates the verification result according to the calibration data.
Optionally, the device further includes an isolation unit, where the isolation unit is configured to isolate interference signals other than the voltage/current signals when the sampling module collects the voltage/current signals.
Optionally, the sampling module includes: a three-phase voltage signal sampling circuit and a three-phase current signal sampling circuit;
the three-phase voltage signal sampling circuit comprises a three-phase voltage interface and three voltage signal sampling circuits, wherein each phase voltage interface is connected with one voltage signal sampling circuit;
the three-phase current signal sampling circuit comprises a three-phase current interface and three current signal sampling circuits, wherein each phase current interface is connected with one current signal sampling circuit.
Optionally, the device further comprises a cloud platform, and the cloud platform is used for storing the verification result and the calibration result and managing the device.
Optionally, the verification module comprises:
the standard meter pulse output circuit acquires the standard meter pulse number output by the sampling CPU and transmits the standard meter pulse number to the error meter;
the device comprises a detected meter pulse input circuit, a voltage detection circuit and an error meter, wherein the detected meter acquires the output pulse number of the detected meter of the alternating current charging pile to be detected and transmits the output pulse number to the error meter;
and the error meter compares the pulse number of the standard meter with the pulse number of the standard meter to obtain an error value.
Optionally, the device is an integrated device.
Optionally, the device housing is an aluminum abrasive tool case.
Optionally, the device communication adopts RS485 to wifi and RJ45 to communicate.
The invention also provides a field verification method for the alternating-current charging pile, which comprises the following steps:
loading the alternating current charging pile load to be tested;
collecting voltage/current signals in the loading process of the alternating current charging pile to be tested, and transmitting the voltage/current signals to a sampling CPU;
performing electric energy integration on the voltage/current signal to obtain an electric energy value, and outputting standard electric energy meter pulses according to the electric energy value and preset turns;
the method comprises the steps of collecting the pulse number of a standard electric energy meter and the pulse number of a to-be-detected alternating-current charging pile, comparing the pulse number of the standard electric energy meter and the pulse number of the to-be-detected alternating-current charging pile to obtain an error value, detecting the to-be-detected alternating-current charging pile according to the error value and obtaining a detection result.
The device adopts an integrated design, has light weight, occupies small area, is light in weight, is more portable and has higher precision compared with the prior art.
Drawings
Fig. 1 is a structural diagram of an on-site verification device for an ac charging pile according to the present invention;
fig. 2 is a flowchart of a field verification method for an ac charging pile according to the present invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
The invention provides a field calibration device for an alternating current charging pile, which comprises the following components as shown in figure 1:
the programmable load module is used for loading the alternating current charging pile load to be tested;
the sampling module is connected with the alternating current charging pile to be tested, collects voltage/current signals in the loading process of the alternating current charging pile to be tested, and transmits the voltage/current signals to the sampling CPU;
the sampling CPU receives the voltage/current signals collected by the sampling module, performs electric energy integration on the voltage/current signals to obtain an electric energy value, and outputs standard electric energy meter pulses according to the electric energy value and preset turns;
the verification module is used for acquiring the pulse number of the standard electric energy meter and the pulse number of the to-be-detected alternating-current charging pile, comparing the pulse number of the standard electric energy meter and the pulse number of the to-be-detected alternating-current charging pile to obtain an error value, verifying the to-be-detected alternating-current charging pile according to the error value and obtaining a verification result.
And the isolation unit is used for isolating interference signals except the voltage/current signals when the sampling module collects the voltage/current signals.
And the cloud platform is used for storing the verification result and the calibration result and managing the device.
A calibration module, the calibration module comprising:
the satellite time service unit is used for acquiring the satellite time service time of the alternating-current charging pile to be tested;
the temperature and humidity measuring unit is used for acquiring the temperature and humidity value of the alternating-current charging pile to be measured;
the main control CPU receives the IPAD instruction, controls the programmable load unit to load the load of the alternating current charging pile to be tested according to the IPAD instruction, reads an error value and an electric energy value determined by the sampling CPU, the satellite time service time of the alternating current charging pile and the temperature and humidity value of the alternating current charging pile, generates calibration data in a standard format and transmits the calibration data to the IPAD unit;
the programmable load unit is used for loading the alternating current charging pile load to be tested;
and the IPAD unit outputs an IPAD command to be transmitted to the main control CPU, and calibrates the verification result according to the calibration data.
A sampling module, comprising: a three-phase voltage signal sampling circuit and a three-phase current signal sampling circuit;
the three-phase voltage signal sampling circuit comprises a three-phase voltage interface and three voltage signal sampling circuits, wherein each phase voltage interface is connected with one voltage signal sampling circuit;
the three-phase current signal sampling circuit comprises a three-phase current interface and three current signal sampling circuits, wherein each phase current interface is connected with one current signal sampling circuit.
A certification module comprising:
the standard meter pulse output circuit acquires the standard meter pulse number output by the sampling CPU and transmits the standard meter pulse number to the error meter;
the device comprises a detected meter pulse input circuit, a voltage detection circuit and an error meter, wherein the detected meter acquires the output pulse number of the detected meter of the alternating current charging pile to be detected and transmits the output pulse number to the error meter;
and the error meter compares the pulse number of the standard meter with the pulse number of the standard meter to obtain an error value.
The device is an integrated device.
The device shell is an aluminum grinding tool case.
The communication of the device is carried out by converting RS485 into wifi and RJ 45.
The design of the invention adopts 3D modeling, the mechanism is compact, and the appearance is beautiful.
The case adopts aluminium system case, and light in weight, the connecting piece adopts copper bar machine tooling, and firm antidetonation is moved.
The circuit board is sprayed with three-proofing paint, so that the insulating property is good.
Voltage acquisition range: precision of 0-300V: 0.05%, current collection range: 0-70A, precision 0.05%, and electric energy collection precision: 0.05 percent, the highest frequency of output electric energy pulse is 66kHz, the frequency of input electric energy pulse is less than or equal to 500Hz, the level is 0-5V, and the clock accuracy is as follows: 2 x 10-7, can set parameters such as constant, number of turns, zero clearing, starting and the like
The invention also provides a field verification method for the alternating-current charging pile, which comprises the following steps of:
loading the alternating current charging pile load to be tested;
collecting voltage/current signals in the loading process of the alternating current charging pile to be tested, and transmitting the voltage/current signals to a sampling CPU;
performing electric energy integration on the voltage/current signal to obtain an electric energy value, and outputting standard electric energy meter pulses according to the electric energy value and preset turns;
the method comprises the steps of collecting the pulse number of a standard electric energy meter and the pulse number of a to-be-detected alternating-current charging pile, comparing the pulse number of the standard electric energy meter and the pulse number of the to-be-detected alternating-current charging pile to obtain an error value, detecting the to-be-detected alternating-current charging pile according to the error value and obtaining a detection result.
The device adopts an integrated design, has light weight, occupies small area, is light in weight, is more portable and has higher precision compared with the prior art.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The scheme in the embodiment of the application can be implemented by adopting various computer languages, such as object-oriented programming language Java and transliterated scripting language JavaScript.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. An on-site verification device for an AC charging post, the device comprising:
the programmable load module is used for loading the alternating current charging pile load to be tested;
the sampling module is connected with the alternating current charging pile to be tested, collects voltage/current signals in the loading process of the alternating current charging pile to be tested, and transmits the voltage/current signals to the sampling CPU;
the sampling CPU receives the voltage/current signals collected by the sampling module, performs electric energy integration on the voltage/current signals to obtain an electric energy value, and outputs standard electric energy meter pulses according to the electric energy value and preset turns;
the verification module is used for acquiring the pulse number of the standard electric energy meter and the pulse number of the to-be-detected alternating-current charging pile, comparing the pulse number of the standard electric energy meter and the pulse number of the to-be-detected alternating-current charging pile to obtain an error value, verifying the to-be-detected alternating-current charging pile according to the error value and obtaining a verification result.
2. The apparatus of claim 1, further comprising, a calibration module, the calibration module comprising:
the satellite time service unit is used for acquiring the satellite time service time of the alternating-current charging pile to be tested;
the temperature and humidity measuring unit is used for acquiring the temperature and humidity value of the alternating-current charging pile to be measured;
the main control CPU receives the IPAD instruction, controls the programmable load unit to load the load of the alternating current charging pile to be tested according to the IPAD instruction, reads an error value and an electric energy value determined by the sampling CPU, the satellite time service time of the alternating current charging pile and the temperature and humidity value of the alternating current charging pile, generates calibration data in a standard format and transmits the calibration data to the IPAD unit;
and the IPAD unit outputs an IPAD command to be transmitted to the main control CPU, and calibrates the verification result according to the calibration data.
3. The device of claim 1, further comprising an isolation unit, wherein the isolation unit is configured to isolate interference signals other than the voltage/current signals when the sampling module collects the voltage/current signals.
4. The apparatus of claim 1, the sampling module, comprising: a three-phase voltage signal sampling circuit and a three-phase current signal sampling circuit;
the three-phase voltage signal sampling circuit comprises a three-phase voltage interface and three voltage signal sampling circuits, wherein each phase voltage interface is connected with one voltage signal sampling circuit;
the three-phase current signal sampling circuit comprises a three-phase current interface and three current signal sampling circuits, wherein each phase current interface is connected with one current signal sampling circuit.
5. The apparatus of claim 1, further comprising a cloud platform for storing verification and calibration results and managing the apparatus.
6. The apparatus of claim 1, the assay module, comprising:
the standard meter pulse output circuit acquires the standard meter pulse number output by the sampling CPU and transmits the standard meter pulse number to the error meter;
the device comprises a detected meter pulse input circuit, a voltage detection circuit and an error meter, wherein the detected meter acquires the output pulse number of the detected meter of the alternating current charging pile to be detected and transmits the output pulse number to the error meter;
and the error meter compares the pulse number of the standard meter with the pulse number of the standard meter to obtain an error value.
7. The device of claim 1, which is an integrated device.
8. The device of claim 1, wherein the device housing is an aluminum abrasive housing.
9. The device of claim 1, wherein the device communication is performed by RS485 to wifi and RJ 45.
10. A method of field certification for an ac charging post, the method comprising:
loading the alternating current charging pile load to be tested;
collecting voltage/current signals in the loading process of the alternating current charging pile to be tested, and transmitting the voltage/current signals to a sampling CPU;
performing electric energy integration on the voltage/current signal to obtain an electric energy value, and outputting standard electric energy meter pulses according to the electric energy value and preset turns;
the method comprises the steps of collecting the pulse number of a standard electric energy meter and the pulse number of a to-be-detected alternating-current charging pile, comparing the pulse number of the standard electric energy meter and the pulse number of the to-be-detected alternating-current charging pile to obtain an error value, detecting the to-be-detected alternating-current charging pile according to the error value and obtaining a detection result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010862725.7A CN112083242A (en) | 2020-08-25 | 2020-08-25 | On-site calibrating device and method for alternating current charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010862725.7A CN112083242A (en) | 2020-08-25 | 2020-08-25 | On-site calibrating device and method for alternating current charging pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112083242A true CN112083242A (en) | 2020-12-15 |
Family
ID=73728612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010862725.7A Pending CN112083242A (en) | 2020-08-25 | 2020-08-25 | On-site calibrating device and method for alternating current charging pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112083242A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138361A (en) * | 2021-03-19 | 2021-07-20 | 中国电力科学研究院有限公司 | Method and system for verifying charging pile based on optical test signal |
| CN113156329A (en) * | 2021-03-11 | 2021-07-23 | 深圳市计量质量检测研究院（国家高新技术计量站、国家数字电子产品质量监督检验中心） | Alternating current charging pile calibrating device |
| CN113702737A (en) * | 2021-08-25 | 2021-11-26 | 山东省计量科学研究院 | Charging pile and testing method, device and equipment applied to charging pile |
| CN114290938A (en) * | 2021-12-29 | 2022-04-08 | 国网新疆电力有限公司经济技术研究院 | DC charging pile current error compensation method, system, device and readable storage medium |
| CN114460360A (en) * | 2022-04-12 | 2022-05-10 | 江西西平计量检测有限公司 | Detection method, system and device based on ammeter measurement current time integral |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957440A (en) * | 2010-08-23 | 2011-01-26 | 太原市优特奥科电子科技有限公司 | Error amount value verification device and error amount value transfer method of digital electric energy meter |
| WO2014071753A1 (en) * | 2012-11-06 | 2014-05-15 | 国家电网公司 | Electronic transformer calibrator calibration device and method based on digital source |
| CN204116594U (en) * | 2014-11-12 | 2015-01-21 | 成都天兴电气有限公司 | Based on the electric energy meter remote calibration device of satellite navigation system |
| CN104330765A (en) * | 2014-11-12 | 2015-02-04 | 成都天兴电气有限公司 | Satellite navigation system based electric-energy-meter field calibration device |
| CN204536528U (en) * | 2015-04-09 | 2015-08-05 | 江苏德和新能源科技有限公司 | A kind of charging pile direct-current electric energy meter calibration device |
| CN104965186A (en) * | 2015-05-21 | 2015-10-07 | 杭州西力电能表制造有限公司 | Calibration method for automatically compensating electric energy metering error of electric energy meter according to temperature |
| CN107117058A (en) * | 2017-05-23 | 2017-09-01 | 国网辽宁省电力有限公司电力科学研究院 | A kind of electric automobile charging station power quality supervisory information system |
| CN107290706A (en) * | 2017-07-14 | 2017-10-24 | 国网天津市电力公司电力科学研究院 | Measurement instrument on-site calibrator built in a kind of alternating-current charging pile |
| CN206657065U (en) * | 2017-02-27 | 2017-11-21 | 福州金彼岸电力设备有限公司 | A kind of portable charging pile calibrating installation |
| CN206960641U (en) * | 2017-05-23 | 2018-02-02 | 国网湖南省电力公司 | Intelligent electric energy meter Performance Evaluation experimental rig |
| CN109061547A (en) * | 2018-10-09 | 2018-12-21 | 国网河南省电力公司电力科学研究院 | A kind of full-time inspection on-line monitoring system of gate energy meter |
| CN109870649A (en) * | 2019-04-03 | 2019-06-11 | 广东省计量科学研究院（华南国家计量测试中心） | A kind of calibration system and method for alternating-current charging pile calibrating installation |
| CN110927657A (en) * | 2019-12-20 | 2020-03-27 | 深圳供电局有限公司 | Electric energy meter error correction method, device and equipment |
-
2020
- 2020-08-25 CN CN202010862725.7A patent/CN112083242A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957440A (en) * | 2010-08-23 | 2011-01-26 | 太原市优特奥科电子科技有限公司 | Error amount value verification device and error amount value transfer method of digital electric energy meter |
| WO2014071753A1 (en) * | 2012-11-06 | 2014-05-15 | 国家电网公司 | Electronic transformer calibrator calibration device and method based on digital source |
| CN204116594U (en) * | 2014-11-12 | 2015-01-21 | 成都天兴电气有限公司 | Based on the electric energy meter remote calibration device of satellite navigation system |
| CN104330765A (en) * | 2014-11-12 | 2015-02-04 | 成都天兴电气有限公司 | Satellite navigation system based electric-energy-meter field calibration device |
| CN204536528U (en) * | 2015-04-09 | 2015-08-05 | 江苏德和新能源科技有限公司 | A kind of charging pile direct-current electric energy meter calibration device |
| CN104965186A (en) * | 2015-05-21 | 2015-10-07 | 杭州西力电能表制造有限公司 | Calibration method for automatically compensating electric energy metering error of electric energy meter according to temperature |
| CN206657065U (en) * | 2017-02-27 | 2017-11-21 | 福州金彼岸电力设备有限公司 | A kind of portable charging pile calibrating installation |
| CN107117058A (en) * | 2017-05-23 | 2017-09-01 | 国网辽宁省电力有限公司电力科学研究院 | A kind of electric automobile charging station power quality supervisory information system |
| CN206960641U (en) * | 2017-05-23 | 2018-02-02 | 国网湖南省电力公司 | Intelligent electric energy meter Performance Evaluation experimental rig |
| CN107290706A (en) * | 2017-07-14 | 2017-10-24 | 国网天津市电力公司电力科学研究院 | Measurement instrument on-site calibrator built in a kind of alternating-current charging pile |
| CN109061547A (en) * | 2018-10-09 | 2018-12-21 | 国网河南省电力公司电力科学研究院 | A kind of full-time inspection on-line monitoring system of gate energy meter |
| CN109870649A (en) * | 2019-04-03 | 2019-06-11 | 广东省计量科学研究院（华南国家计量测试中心） | A kind of calibration system and method for alternating-current charging pile calibrating installation |
| CN110927657A (en) * | 2019-12-20 | 2020-03-27 | 深圳供电局有限公司 | Electric energy meter error correction method, device and equipment |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156329A (en) * | 2021-03-11 | 2021-07-23 | 深圳市计量质量检测研究院（国家高新技术计量站、国家数字电子产品质量监督检验中心） | Alternating current charging pile calibrating device |
| CN113138361A (en) * | 2021-03-19 | 2021-07-20 | 中国电力科学研究院有限公司 | Method and system for verifying charging pile based on optical test signal |
| CN113702737A (en) * | 2021-08-25 | 2021-11-26 | 山东省计量科学研究院 | Charging pile and testing method, device and equipment applied to charging pile |
| CN113702737B (en) * | 2021-08-25 | 2024-04-23 | 山东省计量科学研究院 | Charging pile and inspection method, device and equipment applied to charging pile |
| CN114290938A (en) * | 2021-12-29 | 2022-04-08 | 国网新疆电力有限公司经济技术研究院 | DC charging pile current error compensation method, system, device and readable storage medium |
| CN114290938B (en) * | 2021-12-29 | 2024-01-30 | 国网新疆电力有限公司经济技术研究院 | DC charging pile current error compensation method, system, equipment and readable storage medium |
| CN114460360A (en) * | 2022-04-12 | 2022-05-10 | 江西西平计量检测有限公司 | Detection method, system and device based on ammeter measurement current time integral |
| CN114460360B (en) * | 2022-04-12 | 2022-07-01 | 江西西平计量检测有限公司 | Detection method, system and device based on ammeter measurement current time integral |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112083242A (en) | On-site calibrating device and method for alternating current charging pile | |
| KR101012464B1 (en) | Testing method and its apparatus of digital substation Merging Unit | |
| CN112162232A (en) | Remote verification device and method for alternating-current charging pile | |
| CN105785306A (en) | Voltage transformer on-line group calibration method and apparatus | |
| CN104075744B (en) | A kind of remote-measuring equipment automatization calibration system | |
| CN111208466A (en) | Method and system for carrying out on-site verification on transient characteristics of direct-current voltage measuring device | |
| CN104914395B (en) | A kind of detection quality verification method for single-phase intelligent electric energy meter automatic calibration system | |
| CN103926550B (en) | A kind of device and method that electric power mutual-inductor is verified based on virtual instrument | |
| CN202939299U (en) | Electronic transformer calibration device based on synchronous pulse output power supply | |
| CN115656910B (en) | Remote calibration system, method and equipment for mutual inductor calibration instrument | |
| CN105404275B (en) | A kind of satellite control test equipment automatic checkout system and detection method | |
| CN103983935A (en) | Indicating instrument detecting system and method | |
| CN110780260A (en) | System and method for checking electric energy error of direct current charger | |
| CN110988785A (en) | Remote online calibration method for digital quantity input type electric energy meter | |
| CN104076320B (en) | Electric energy meter automatic checkout system | |
| CN207502708U (en) | A kind of Three Phase Alternating-current Electrical Energy Meters verification system | |
| CN103105525A (en) | Precision compensation method of current clamp, detection method and detection system using current clamp | |
| CN111781553B (en) | System and method for verifying voltage divider | |
| CN215263995U (en) | Electric energy metering accuracy on-site calibration instrument | |
| CN104316889A (en) | Virtual load method-based generator rotor alternating current impedance tester calibration device | |
| CN114924545A (en) | Test method, device, test equipment and medium for primary frequency modulation device | |
| CN104914399B (en) | A kind of electric power meter calibration method for single-phase intelligent electric energy meter automatic calibration system | |
| CN109407042B (en) | Intelligent electric meter calibration method | |
| CN112946556A (en) | Electric energy metering accuracy on-site calibration instrument and method | |
| CN204631239U (en) | Electricity three shows the measuring system of automatic Verification |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201215 |
|
| RJ01 | Rejection of invention patent application after publication |