CN109061547A - A kind of full-time inspection on-line monitoring system of gate energy meter - Google Patents
A kind of full-time inspection on-line monitoring system of gate energy meter Download PDFInfo
- Publication number
- CN109061547A CN109061547A CN201811174227.2A CN201811174227A CN109061547A CN 109061547 A CN109061547 A CN 109061547A CN 201811174227 A CN201811174227 A CN 201811174227A CN 109061547 A CN109061547 A CN 109061547A
- Authority
- CN
- China
- Prior art keywords
- energy meter
- gate
- main website
- electric energy
- computing model
- 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
- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 238000007689 inspection Methods 0.000 title claims abstract description 24
- 230000009467 reduction Effects 0.000 claims abstract description 23
- 230000005611 electricity Effects 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 238000012795 verification Methods 0.000 abstract description 4
- 230000000737 periodic effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention belongs to on-line monitoring technique fields, the specially full-time inspection on-line monitoring system of gate energy meter, solve the problems, such as that existing gate energy meter on-site calibrator is unable to real-time monitoring and full-time inspection；The present invention includes gate energy meter on-line computing model, main website platform, signal waveform reduction apparatus, standard electric energy meter, the output end of the gate energy meter is connect with on-line computing model input terminal, the output end of the on-line computing model is connect with main website platform, the input terminal of the output end connection signal waveform reduction apparatus of the main website platform, the input terminal of the output end connection standard electric energy meter of the waveform reduction apparatus, the input terminal of the output end connection main website platform of the standard electric energy meter.The present invention realizes the operating mode by the working mode change of " periodic inspection " for " thermodynamic state verification and on-line monitoring ", on the one hand, the accuracy of critical point electricity is effectively ensured, on the other hand, it greatly improves work efficiency, reduces the costs such as personnel, equipment, vehicle.
Description
Technical field
The invention belongs to electric energy meter electrical energy measurement and line monitoring technical field, specially a kind of full-time inspection of gate energy meter
On-line monitoring system.
Background technique
Gate energy meter is to measure the important equipment that electric flux is settled accounts between power plant and power grid enterprises, gate energy meter
Check system, method for monitoring abnormality can all influence the accuracy of critical point electrical energy measurement.
Domestic and international existing " gate energy meter field-checking " is using dedicated tester mostly at the scene to electric energy meter
It measures, gate energy meter exports electrical energy impulse signals and is compared with the standard electric energy meter metering energy value built in tester
Obtain error.The shortcomings that this mode is to measure online for a long time, can not accomplish full-time inspection and on-line monitoring.
Domestic and international existing " electric energy metering device on-line monitoring " technology is mostly being closed by the way of " standard is preposition "
Standard electric energy meter is installed by substation or distribution substation where mouth metering device, and standard electric energy meter will access network system, standard electric energy
Table is compared with subject electric energy meter and obtains error, and error information is reached main website.But under this mode, standard electric energy meter is by existing
The environmental influences such as field temperature and humidity, magnetic-field vibration are larger, and since standard electric energy meter needs annual inspection primary, still need to manually arrive
Scene is assembled and disassembled, and actually there is no really realize that scene is unattended.
Therefore, it is necessary to research and develop a terminal that can carry out gate energy meter full-time on-line monitoring just to seem especially heavy
It wants.
Authorization Notice No. is that the utility model patent of 204269811 U of CN discloses a kind of electric energy meter remote online monitoring
System, including positioned at the data server of remote side administration main website, electric energy meter management and monitoring terminal and positioned at the local of each plant stand
Electric energy meter monitoring unit, local electric energy meter monitoring unit is connected with the electric energy meter of each electricity consumption website under its compass of competency, multiple
Local electric energy meter monitoring unit is wirelessly or non-wirelessly connected with data server by long-distance communication network, and data server is again and electric
Energy table management and monitoring terminal is connected.Local electric energy meter monitoring unit includes industrial personal computer, standard electric energy meter, two communication units and electricity
It can table pulse collection switch unit.The utility model collection electric energy Signal acquiring and processing, data base administration, electric energy meter error are automatic
Verification, secondary circuit status monitoring and alarm can carry out long-range comprehensive on-line testing, event in one to running electric energy meter
Barrier judgement records and analyzes, time saving and energy saving, realizes remote-controlled test, data analysis and the unified management of electric energy meter.However, this is practical
Novel since standard scale is installed on electric power meter end, metering performance is influenced by temperature, humidity, and itself needs regular inspection, cannot
Realize that scene is unattended.
It cannot measure online for a long time, can not accomplish full-time inspection and on-line monitoring.
The patent of invention that application publication number is 105044657 A of CN, which discloses one kind, can be such that Source of Gateway Meter assessment device obtains
Take the gate energy meter monitoring system of more data source.The gate energy meter monitoring system includes main website server, data acquisition
Device, industrial personal computer, Source of Gateway Meter assess device, and Source of Gateway Meter component, each Source of Gateway Meter assessment are connected on each Source of Gateway Meter assessment device
Branch's device assembly is provided between device and Source of Gateway Meter component, Source of Gateway Meter data are divided into two-way, transmitted all the way by branch's device assembly
To data collector, another way passes to Source of Gateway Meter assessment device, the in this way critical point when data collector acquires Source of Gateway Meter data
Table assessment device just obtains a Source of Gateway Meter data simultaneously, and in data collector bus-free time, Source of Gateway Meter assesses device
Other data of Source of Gateway Meter can be acquired again, and such Source of Gateway Meter assessment device can obtain more data sources, finally
Analysis result just more comprehensively, and then Source of Gateway Meter can comprehensively be monitored.It is suitble in substation's on-line monitoring technique
Field promotes and applies.However, the invention can not be full-time in X -ray inspection X to gate energy meter progress.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of full-time inspections of gate energy meter
On-line monitoring system solves the problems, such as that existing gate energy meter on-site calibrator is unable to real-time monitoring and full-time inspection.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of full-time inspection on-line monitoring system of gate energy meter, including gate energy meter on-line computing model and main website platform, also
Including signal waveform reduction apparatus and standard electric energy meter；
The input terminal of the electrical energy pulse and data output end of the gate energy meter and the gate energy meter on-line computing model connects
It connects, the communication output end of the gate energy meter on-line computing model is connect with the main website platform, the data of the main website platform
Output end connects the input terminal of the signal waveform reduction apparatus, and voltage, electric current, the electrical energy pulse of the waveform reduction apparatus are defeated
Outlet connects the input terminal of the standard electric energy meter, and the electrical energy pulse output end of the standard electric energy meter connects the main website platform
Input terminal.
The gate energy meter on-line computing model and gate energy meter are mounted on the same metering node of secondary circuit, secondary
The voltage and current signals in circuit input the gate energy meter and gate energy meter on-line computing model simultaneously.
The gate energy meter on-line computing model includes analog signal conditioning circuit, frequency sampling circuit, A/D modulus of conversion
Block, GPS time service module, electrical energy pulse acquisition module, FPGA, DSP and communication module, voltage, the current signal warp of secondary circuit
Become small analog signal after analog signal conditioning circuit, FPGA drives A/D conversion module that small analog signal is converted into digital letter
Number, electrical energy pulse acquisition module receives the electrical energy impulse signals of gate energy meter output, combines GPS time service device to provide later
Digital signal and electrical energy impulse signals are converted to the digital quantity signal with time scale information by clock source, and DSP believes with markers
The digital quantity signal of breath carries out compression processing and obtains compressed data one, and compressed data one is uploaded to master by communication module later
Platform.
The gate energy meter on-line computing model is communicated by wired mode or wireless mode and the main website platform.
Gate energy meter information real-time monitoring that the main website platform uploads gate energy meter on-line computing model, failure are accused
It is alert.
The signal waveform reduction apparatus include power amplifier module, D/A conversion module, electrical energy pulse output module,
FPGA, DSP, the compressed data of main website platform output are transferred to signal waveform reduction apparatus, the DSP fortune of signal waveform reduction apparatus
Data forwarding to FPGA after row decompression algorithm, FPGA drives D/A conversion module to export small analog signals, small analog signals
Output voltage, current signal after power amplifier module, while FPGA driving electrical energy pulse output module exports electrical energy pulse
Signal.
The signal waveform reduction apparatus according to compressed data one export the voltage of secondary circuit, current signal and it is identical when
The electrical energy impulse signals at quarter are compared to standard electric energy meter, the two through standard electric energy meter, and then verify gate energy meter metering
Precision.
The gate energy meter on-line computing model also includes RS485 communication module, and DSP drives the acquisition of RS485 communication module
Real time data, information about power, ammeter event and the battery voltage information of Source of Gateway Meter, in conjunction with GPS time service device provide clock source,
The data two with time scale information are converted data to, DSP carries out compression processing to data two and obtains compressed data two, by logical
It interrogates module and compressed data two is uploaded to main website platform.
The main website platform carries out real-time monitoring, fault warning to compressed data two.
Signal waveform reduction apparatus of the invention, standard electric energy meter use existing equipment, are commercially available from market.
Beneficial effects of the present invention are as follows:
(1) gate energy meter is the Working mould of " thermodynamic state verification and on-line monitoring " by the working mode change of " period field test "
Formula greatly improves work efficiency, and reduces the costs such as personnel, equipment, vehicle.
(2) pass through the on-line checking to Source of Gateway Meter, the accuracy of sound assurance gate energy meter.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Detailed description of the invention
Fig. 1 is a kind of full-time structural block diagram for examining on-line monitoring system of gate energy meter of the present invention；
Fig. 2 is the structural block diagram of the gate energy meter on-line computing model in the present invention；
Fig. 3 is the structural block diagram of the signal waveform reduction apparatus in the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to attached drawing, now a kind of full-time inspection on-line monitoring system of gate energy meter provided by the invention is illustrated.
As shown in Figure 1, a kind of full-time inspection on-line monitoring system of gate energy meter, including gate energy meter, critical point electric energy
Table on-line computing model, main website platform, signal waveform reduction apparatus, standard electric energy meter.
The same metering node of gate energy meter and gate energy meter on-line computing model access secondary circuit, while critical point electricity
Energy table is electrically connected with gate energy meter on-line computing model.Three-phase voltage and three-phase current signal on secondary circuit input pass simultaneously
Mouth electric energy meter and gate energy meter on-line computing model, gate energy meter receive voltage and current signal, produce electricl energy pulse signal, and
It is transmitted to gate energy meter on-line computing model.
As shown in Fig. 2, gate energy meter on-line computing model includes analog signal conditioning circuit, frequency sampling circuit, A/D turns
Change the mold block, GPS time service module, electrical energy pulse acquisition module, FPGA, DSP, communication module, secondary circuit three-phase voltage, three-phase electricity
Signal is flowed after analog signal conditioning circuit, becomes small analog signal, and FPGA driving A/D conversion module converts small analog signal
For digital signal, electrical energy pulse acquisition module receives the electrical energy impulse signals of gate energy meter input, mentions in conjunction with GPS time service device
Digital signal and electrical energy impulse signals are converted to the data 1 with time scale information by the clock source of confession.Gate energy meter is supervised online
Surveying instrument also includes RS485 communication module, and DSP drives the real time data of RS485 communication module acquisition Source of Gateway Meter, information about power, need
Information, ammeter event and battery voltage information are measured, in conjunction with the clock source that GPS time service device provides, converts data to band sometimes
Mark information data 2, DSP to time scale information data 1 and 2 compression processing of data be compressed data 1 and compressed data 2,
Compressed data 1 and compressed data 2 are uploaded to main website platform by communication module.
Gate energy meter on-line computing model is communicated by wired mode and main website platform.
Main website platform to 2 real-time monitoring of compressed data, fault warning, realize the real-time working condition data to gate energy meter,
Electric current, voltage, electricity meter reading data on-line monitoring, are monitored on-line comprising electrical energy meter electricity cell voltage.Settable online detection time
Interval, will test data and is stored and uploaded to main website platform, by preset data threshold, can quickly find energy metering
The unusual condition of device operation, realizes various exceptions and overproof, overload alarm, and can determine type of alarm according to alarm level.
GPS time service device can provide various clock synchronization information, including standard IRIG-B timing code, pulse per second (PPS) and to Times
Text, while also can receive the IRIG-B timing code from external clock synchronization source.It is time base that assembly first, which selects internal GPS signal,
Standard just exports clock synchronization information according to GPS signal when GPS module traces into satellite, otherwise according to the IRIG-B time received
Code output clock synchronization information.Clock chip is had inside device, when normal operation by the IRIG-B of GPS signal or external clock reference
Between code real time correction is carried out to it, when internal GPS cannot be synchronized, at the same also without external clock reference when, device can also be according to interior
Portion's clock generates various clock synchronization information, and the temporal information exported is still able to maintain certain accuracy.By voltage, the real-time wave of electric current
Shape and electrical energy impulse signals are converted to the digital quantity signal with time scale information, and are transferred to main website platform, realize monitoring data
Temporal correlation.
As shown in figure 3, signal waveform reduction apparatus includes power amplifier module, D/A conversion module, electrical energy pulse output mould
The compressed data 1 of block, FPGA, DSP, USB interface, the output of main website platform is transferred to signal waveform reduction apparatus by USB interface,
Data forwarding to FPGA after the dsp operation decompression algorithm of signal waveform reduction apparatus, on the one hand FPGA drives D/A conversion module
Small analog signals are exported, small analog signals export three road voltages, three road current signals after power amplifier module, completely
Restore the voltage current waveform when work of in-site installation gate energy meter；On the other hand driving electrical energy pulse output module is defeated by FPGA
Electrical energy impulse signals out restore the electrical energy pulse of in-site installation gate energy meter output completely.
The gate energy meter electrical energy impulse signals with time scale information of the signal waveform reduction apparatus output are sent to
Standard electric energy meter, meanwhile, voltage, the current signal of target input gate energy meter connect when signal waveform reduction apparatus generates identical
Enter standard electric energy meter, the two is compared through standard electric energy meter, and then verifies gate energy meter precision.It realizes to gate energy meter
Remote automation examine.Realize the work by the working mode change of " periodic inspection " for " thermodynamic state verification and on-line monitoring "
Mode, on the one hand, effectively ensure on the other hand the accuracy of critical point electricity greatly improves work efficiency, reduces people
The costs such as member, equipment, vehicle.
Check results are transferred to the input terminal of main website platform, the management software of main website platform by the output end of standard electric energy meter
Dynamic analysis, status assessment, fault warning etc. are carried out to result.
Signal waveform reduction apparatus of the invention, standard electric energy meter use existing equipment, are commercially available from market.
Although should be noted that in embodiments herein, gate energy meter on-line computing model passes through wired mode
It is communicated with main website platform, but on the basis of without departing from implementation content of the present invention, other transmission modes with communication function,
Such as wireless transmission method etc. all can serve as gate energy meter on-line computing model and the communication modes of main website platform are applied to this
In invention.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (7)
1. a kind of full-time inspection on-line monitoring system of gate energy meter, including gate energy meter on-line computing model and main website platform,
It is characterized by also including signal waveform reduction apparatus and standard electric energy meters；
The input terminal of the electrical energy pulse and data output end of the gate energy meter and the gate energy meter on-line computing model connects
It connects, the communication output end of the gate energy meter on-line computing model is connect with the main website platform, the data of the main website platform
Output end connects the input terminal of the signal waveform reduction apparatus, and voltage, electric current, the electrical energy pulse of the waveform reduction apparatus are defeated
Outlet connects the input terminal of the standard electric energy meter, and the electrical energy pulse output end of the standard electric energy meter connects the main website platform
Input terminal.
2. the full-time inspection on-line monitoring system of a kind of gate energy meter according to claim 1, it is characterised in that: the critical point
Electric energy meter on-line computing model and gate energy meter are mounted on the same metering node of secondary circuit, the voltage and current of secondary circuit
Signal inputs the gate energy meter and gate energy meter on-line computing model simultaneously.
3. the full-time inspection on-line monitoring system of a kind of gate energy meter according to claim 1, it is characterised in that: the critical point
Electric energy meter on-line computing model includes analog signal conditioning circuit, frequency sampling circuit, A/D conversion module, GPS time service module, electricity
Energy impulse acquisition module, FPGA, DSP and communication module, the voltage of secondary circuit, current signal are after analog signal conditioning circuit
Become small analog signal, FPGA drives A/D conversion module that small analog signal is converted into digital signal, electrical energy pulse acquisition module
Receive the electrical energy impulse signals of gate energy meter output, the clock source for combining GPS time service device to provide later, by digital signal and
Electrical energy impulse signals are converted to the digital quantity signal with time scale information, and DSP carries out the digital quantity signal with time scale information
Compression processing obtains compressed data one, and compressed data one is uploaded to main website platform by communication module later.
4. the full-time inspection on-line monitoring system of a kind of gate energy meter according to claim 1, it is characterised in that: the critical point
Electric energy meter on-line computing model is communicated by wired mode or wireless mode and the main website platform.
5. the full-time inspection on-line monitoring system of a kind of gate energy meter according to claim 1, it is characterised in that: the signal
Waveform reduction apparatus exports the voltage of secondary circuit, the electrical energy impulse signals of current signal and phase in the same time according to compressed data one
To standard electric energy meter, the two is compared through standard electric energy meter, and then verifies gate energy meter measuring accuracy.
6. a kind of according to claim 3, the full-time inspection on-line monitoring system of gate energy meter, it is characterised in that: the pass
Mouth electric energy meter on-line computing model also includes RS485 communication module, and DSP drives the real-time number of RS485 communication module acquisition Source of Gateway Meter
According to, information about power, ammeter event and battery voltage information in conjunction with the clock source that GPS time service device provides convert data to band
There are the data two of time scale information, DSP carries out compression processing to data two and obtains compressed data two, by communication module compression number
Main website platform is uploaded to according to two.
7. the full-time inspection on-line monitoring system of a kind of gate energy meter according to claim 1, it is characterised in that: the main website
Platform carries out real-time monitoring, fault warning to compressed data two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174227.2A CN109061547A (en) | 2018-10-09 | 2018-10-09 | A kind of full-time inspection on-line monitoring system of gate energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174227.2A CN109061547A (en) | 2018-10-09 | 2018-10-09 | A kind of full-time inspection on-line monitoring system of gate energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109061547A true CN109061547A (en) | 2018-12-21 |
Family
ID=64763659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811174227.2A Pending CN109061547A (en) | 2018-10-09 | 2018-10-09 | A kind of full-time inspection on-line monitoring system of gate energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109061547A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521966A (en) * | 2020-05-18 | 2020-08-11 | 深圳市瀚邦为电子材料有限公司 | Method and device for monitoring time out-of-tolerance of district electric meter, monitoring terminal and storage medium |
| CN112083242A (en) * | 2020-08-25 | 2020-12-15 | 中国电力科学研究院有限公司 | On-site calibrating device and method for alternating current charging pile |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625383A (en) * | 2009-08-06 | 2010-01-13 | 东南大学 | On-line monitoring device for power quality |
| CN101718856A (en) * | 2009-12-11 | 2010-06-02 | 中国电力科学研究院 | Calibration system of digital quantity input type electric energy meter |
| CN102809741A (en) * | 2012-08-14 | 2012-12-05 | 河南弘正电气科技有限公司 | Intelligent monitoring and managing information system for electric energy metering devices of substations |
| CN104267373A (en) * | 2014-10-17 | 2015-01-07 | 成都思晗科技有限公司 | Gateway meter assessment device |
| CN104267374A (en) * | 2014-10-17 | 2015-01-07 | 成都思晗科技有限公司 | Online detecting and state assessing system of metering device |
| CN205067716U (en) * | 2015-08-31 | 2016-03-02 | 千江（上海）信息科技有限公司 | Online calibration system of electric energy meter |
| CN106443562A (en) * | 2016-09-30 | 2017-02-22 | 千江（上海）信息科技有限公司 | Networked online inspection system for electric energy metering devices |
| 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 |
| CN208888359U (en) * | 2018-10-09 | 2019-05-21 | 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 |
-
2018
- 2018-10-09 CN CN201811174227.2A patent/CN109061547A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625383A (en) * | 2009-08-06 | 2010-01-13 | 东南大学 | On-line monitoring device for power quality |
| CN101718856A (en) * | 2009-12-11 | 2010-06-02 | 中国电力科学研究院 | Calibration system of digital quantity input type electric energy meter |
| CN102809741A (en) * | 2012-08-14 | 2012-12-05 | 河南弘正电气科技有限公司 | Intelligent monitoring and managing information system for electric energy metering devices of substations |
| CN104267373A (en) * | 2014-10-17 | 2015-01-07 | 成都思晗科技有限公司 | Gateway meter assessment device |
| CN104267374A (en) * | 2014-10-17 | 2015-01-07 | 成都思晗科技有限公司 | Online detecting and state assessing system of metering device |
| CN205067716U (en) * | 2015-08-31 | 2016-03-02 | 千江（上海）信息科技有限公司 | Online calibration system of electric energy meter |
| CN106443562A (en) * | 2016-09-30 | 2017-02-22 | 千江（上海）信息科技有限公司 | Networked online inspection system for electric energy metering devices |
| 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 |
| CN208888359U (en) * | 2018-10-09 | 2019-05-21 | 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 |
Non-Patent Citations (2)
| Title |
|---|
| "XL-808数字化电能表校验仪使用说明书", 23 May 2018, pages: 1 - 6 * |
| 钱斌;肖勇;林伟斌;赵伟: "关口电能表远程在线校验方法及其技术实现", vol. 54, no. 18, pages 101 - 105 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521966A (en) * | 2020-05-18 | 2020-08-11 | 深圳市瀚邦为电子材料有限公司 | Method and device for monitoring time out-of-tolerance of district electric meter, monitoring terminal and storage medium |
| CN111521966B (en) * | 2020-05-18 | 2022-06-28 | 深圳市瀚邦为电子材料有限公司 | Method and device for monitoring time out-of-tolerance of district electric meter, monitoring terminal and storage medium |
| CN112083242A (en) * | 2020-08-25 | 2020-12-15 | 中国电力科学研究院有限公司 | On-site calibrating device and method for alternating current charging pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104267374B (en) | Metering device on-line checking and status assessing system | |
| US20200309829A1 (en) | On-line monitoring system for the performance of the measurement equipment in the entire power grid based on wide-area synchronous measurement | |
| CN202210151U (en) | System for remote checking and monitoring for electric energy metering device | |
| CN104267373A (en) | Gateway meter assessment device | |
| CN106970304B (en) | Simple power transmission line fault online positioning and monitoring system | |
| CN110011864B (en) | High-speed railway contact net safety state monitoring method | |
| CN102298099A (en) | Power distribution and consumption monitoring and measuring apparatus possessing time calibration function | |
| CN204536448U (en) | A kind of high voltage supply leakage conductor wireless monitoring device | |
| CN105301552A (en) | Electric energy metering device online verification system | |
| CN106443562A (en) | Networked online inspection system for electric energy metering devices | |
| CN112381467A (en) | Artificial intelligence line loss analysis system based on big data of distribution station district total collection | |
| CN109061547A (en) | A kind of full-time inspection on-line monitoring system of gate energy meter | |
| CN115856760A (en) | Dynamic verification system and method based on electric energy meter data information | |
| CN208888359U (en) | A kind of full-time inspection on-line monitoring system of gate energy meter | |
| CN204719225U (en) | A kind of Watthour meter remote monitors check system automatically | |
| CN219574355U (en) | Novel electric energy metering error on-line monitoring device | |
| CN203164360U (en) | Transformer device insulation online monitoring system | |
| CN103018697B (en) | A kind of Multifunctional multi-epitope voltage monitor calibrator | |
| CN207946476U (en) | A kind of arrester test system based on ZigBee technology | |
| CN203479915U (en) | Noise and electromagnetic field synchronous detection system of electric power equipment based on Internet of things | |
| TW201350870A (en) | Power quality analyzer system | |
| CN203259202U (en) | WIFI water meter, WIFI heat meter and remote information management system of WIFI water meter and WIFI heat meter | |
| CN206074795U (en) | The online checking system of electric power meter networking | |
| CN103513221A (en) | Secondary voltage drop/secondary load on-line monitoring device and system and monitoring method thereof | |
| CN210051885U (en) | Electric energy data lossless digital direct current electric energy meter and field calibration system |
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 |