CN106209166A - Power information acquisition system failure detector - Google Patents
Power information acquisition system failure detector Download PDFInfo
- Publication number
- CN106209166A CN106209166A CN201610767877.2A CN201610767877A CN106209166A CN 106209166 A CN106209166 A CN 106209166A CN 201610767877 A CN201610767877 A CN 201610767877A CN 106209166 A CN106209166 A CN 106209166A
- Authority
- CN
- China
- Prior art keywords
- module
- carrier
- signal
- communication
- communication module
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
A kind of power information acquisition system failure detector, specifically comprises: non-carrier communication module, carrier communication module, coupling isolation module, modular converter and embedded processing module；Non-carrier communication module is connected with outside non-carrier communication line, is used for gathering non-carrier signal and exporting；Coupling isolation module is connected with outer low pressure circuit, is used for isolating electric lines of force and power frequency, and provides the communication acquisition channel of outer low pressure circuit outgoing carrier signal；Carrier communication module with couple isolation module, for gathering carrier signal exporting by coupling isolation module；Modular converter respectively with outside non-carrier communication line and couple isolation module, be used for gathering non-carrier signal and carrier signal, and be converted to output after digital signal；Embedded processing module is connected with non-carrier communication module, carrier communication module and modular converter respectively, for according to digital signal, non-carrier signal and the communication failure condition of carrier signal analytical calculation acquisition terminal.
Description
Technical field
The present invention relates to field of power detection, espespecially a kind of power information acquisition system failure detector.
Background technology
In order to carry out platform district line loss and the specialized management of management line loss further, minimizing " evaporating, emitting, dripping or leaking of liquid or gas " phenomenon, 2016
State Grid Corporation of China carries out the Controlling line loss work same period.This work is based on delivery, power consumption synchronous acquisition, with public change
Depressor line loss same period on-line monitoring is core, strengthens programming count and the information transmission of line loss further, is effectively improved company's warp
Ji benefit.In order to carry out the Controlling line loss work same period, need to improve power information acquisition system, improve automatically sentencing of metering fault
Disconnected, rapid rush-repair ability, and then realize all standing of power information, entirely gather.In power information acquisition system, all kinds of electricity consumptions
Information acquisition terminal gathers the information of the field apparatus such as electric energy meter, is uploaded to power information acquisition system main website, in the process
Communication pattern is divided into downlink communication and uplink communication two kinds.Low-voltage powerline carrier communication communicate with RS485 be two kinds main
Local downlink communication mode.In the During Process of Long-term Operation of power information acquisition system, various interference factors often result in scene and adopt
There is local communication fault in collection terminal.Although the test instrunments such as traditional signal analyzer, spectrum analyzer can obtain communication
Signal is analyzed, but lacking of property, the level professional technology of user of service is required higher.Therefore, in the urgent need to exploitation
Corresponding specialty failure detector, helps on-the-spot operation maintenance personnel quickly position failure cause and eliminate fault, it is ensured that to be
System stable operation, thus improve the Controlling line loss work efficiency same period.
For solving the problems referred to above, prior art has following two processing scheme: (1) use traditional signal analyzer,
The test instrunments such as spectrum analyzer obtain power information acquisition system descending communication signal；(2) test instrunment professional user of service
Being analyzed the signal of communication obtained, location failure cause is also eliminated.
The scheme provided in above-mentioned prior art is practicable, but it there is problems in that the signal analysis that (1) is traditional
The lacking of property of test instrunment such as instrument, spectrum analyzer, communicates with RS485 to the power line carrier, PLC of power information acquisition system
Failure cause location is inaccurate, causes fault to be difficult to for a long time eliminate, affects the collection success rate of power information；(2) traditional letter
The level professional technology of user of service is required higher by number test instrunment such as analyser, spectrum analyzer, is not suitable for looking forward at electric power
The large scale application of industry grass-roots unit.
Summary of the invention
Present invention aim at providing one to possess low voltage electric power carrier communication and RS485 communication test analytic function, can
By waveform and the frequency spectrum of detection signal of communication, analyzing Content of Communication integrity, scene quickly judges power information acquisition terminal
The most normal with electric energy meter communication function, can be used for helping electric power enterprise grass-roots work personnel to analyze and processing the use of communication failure
Power utilization information collection system failure detector.
For reaching above-mentioned purpose, power information acquisition system failure detector provided by the present invention, specifically comprise: non-load
Wave communication module, carrier communication module, coupling isolation module, modular converter and embedded processing module；Described non-carrier communication
Module is connected with outside non-carrier communication line, is used for gathering non-carrier signal and exporting；Described coupling isolation module is with outside
Low-voltage circuit is connected, and is used for isolating electric lines of force and power frequency, and provides the communication collection of outer low pressure circuit outgoing carrier signal
Passage；Described carrier communication module couples isolation module with described, for gathering carrier signal by described coupling isolation module
And export；Described modular converter respectively with outside non-carrier communication line and described couple isolation module, be used for gathering non-carrier
Signal and carrier signal, and described non-carrier signal and described carrier signal are converted to output after digital signal；Described embedding
Formula processing module is connected, for root with described non-carrier communication module, described carrier communication module and described modular converter respectively
The digital signal inputted according to described modular converter and described non-carrier communication module and the non-load of described carrier communication module input
Ripple signal and the communication failure condition of carrier signal analytical calculation acquisition terminal.
In the present invention one preferred embodiment, described coupling isolation module also comprises signal filtering unit, described signal
Filter unit is for filtering radio frequency signal component according to predetermined threshold value.
In the present invention one preferred embodiment, described signal filtering unit also comprises attenuator, and described attenuator is used for
Regulate described carrier signal to predefined size.
In the present invention one preferred embodiment, described modular converter and outside non-carrier communication line and described couple every
Being also associated with signal of communication between module and select switch, described signal of communication selects modular converter described in on-off control with outside
Non-carrier communication line, and described modular converter couples the on and off of communication line between isolation module with described.
In the present invention one preferred embodiment, described embedded processing module comprises control unit, described control unit
Select switch to be connected with described signal of communication, be used for controlling described signal of communication and select switch conduction or close described modular converter
With outside non-carrier communication line, and described modular converter couples communication line between isolation module with described.
In the present invention one preferred embodiment, described embedded processing module comprises non-carrier communications analysis unit and load
Wave communication analytic unit；Described non-carrier communications analysis unit is connected with described non-carrier communication module, is used for analyzing described non-
The non-carrier signal of carrier communication module output；Described carrier communication analytic unit is connected with described carrier communication module, is used for
Analyze the carrier signal of described carrier communication module output.
In the present invention one preferred embodiment, described non-carrier communication module comprises RS485 communication module and RS232 leads to
Letter module, described non-carrier communications analysis unit comprises RS485 communications analysis module and RS232 communications analysis module；Described
RS485 communication module is for debugging 485 electric energy meters；Described RS232 communication module is for debugging the local upstream ends of acquisition terminal
Mouthful；Described RS485 communication module is connected with described RS485 communications analysis module, described RS232 communication module and described RS232
Communications analysis module is connected.
In the present invention one preferred embodiment, described embedded processing module also comprises waveform display module and numeral letter
Number processing module；Described waveform display module is connected with described modular converter, for showing non-carrier according to described digital signal
Signal and/or the waveform image of carrier signal；Described digital signal processing module is connected with described modular converter, for according to institute
State digital signal and calculate the described non-carrier signal of acquisition and/or the frequency spectrum data of carrier signal.
In the present invention one preferred embodiment, described embedded processing module also comprises frequency spectrum display module, described frequency
Spectrum display module is connected with described digital signal processing module, for showing spectral image information according to described frequency spectrum data.
In the present invention one preferred embodiment, described coupling isolation module comprises sampling capacitor, isolating transformer and takes
Sample resistance；Described sampling capacitor is for isolating power frequency and providing the communication port of carrier signal；Described isolating transformer is used for
Described power information acquisition system failure detector is isolated with electric lines of force；Described sample resistance is used for as described power information
Acquisition system failure detector provides corresponding interface impedance.
By power information acquisition system failure detector provided by the present invention, can determine whether to analyze acquisition terminal and electricity
Carrier communication or the RS485 communication function of energy table are the most normal, can also show waveform and the frequency spectrum of signal of communication, two kinds of functions
The communication failure judging acquisition terminal is analyzed in conjunction with help electric power enterprise grass-roots work personnel.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, not
Constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the structural representation of power information acquisition system failure detector provided by the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment and attached
Figure, is described in further details the present invention.Here, the schematic description and description of the present invention is used for explaining the present invention,
But it is not as a limitation of the invention.
Refer to shown in Fig. 1, power information acquisition system failure detector provided by the present invention, specifically comprise: non-
Carrier communication module, carrier communication module, coupling isolation module, modular converter and embedded processing module；Described non-carrier is led to
Letter module is connected with outside non-carrier communication line, is used for gathering non-carrier signal and exporting；Described coupling isolation module is with outer
Portion's low-voltage circuit is connected, and is used for isolating electric lines of force and power frequency, and provides the communication of outer low pressure circuit outgoing carrier signal to adopt
Collection passage；Described carrier communication module couples isolation module with described, believes for gathering carrier wave by described coupling isolation module
Number and export；Described modular converter respectively with outside non-carrier communication line and described couple isolation module, be used for gathering non-load
Ripple signal and carrier signal, and described non-carrier signal and described carrier signal are converted to output after digital signal；Described embedding
Enter formula processing module to be connected with described non-carrier communication module, described carrier communication module and described modular converter respectively, be used for
The digital signal inputted according to described modular converter is non-with what described non-carrier communication module and described carrier communication module inputted
Carrier signal and the communication failure condition of carrier signal analytical calculation acquisition terminal.
In the present invention one preferred embodiment, described coupling isolation module also comprises signal filtering unit, described signal
Filter unit is for filtering radio frequency signal component according to predetermined threshold value；In real work, this filter unit can be a signal filter
Wave circuit, it is mainly used in the radio frequency signal component filtered beyond 50kHz～500kHz, it is to avoid powerful out of band signal affects
Receive the dynamic range of circuit.In this embodiment, described signal filtering unit further can comprise an attenuator, described in decline
Subtract device for regulating described carrier signal to predefined size, make the power of input signal meet wanting of power-sensing circuit with this
Ask, concretely the attenuator of 30dB.
In the present invention one preferred embodiment, described modular converter and outside non-carrier communication line and described couple every
Being also associated with signal of communication between module and select switch, described signal of communication selects modular converter described in on-off control with outside
Non-carrier communication line, and described modular converter couples the on and off of communication line between isolation module with described；For
Making power information acquisition system failure detector provided by the present invention the most intelligent and integrated, in the present invention, another is excellent
In the embodiment of choosing, described embedded processing module comprises control unit, and described control unit and described signal of communication select to open
Close and be connected, be used for controlling described signal of communication and select switch conduction or close described modular converter and outside non-carrier order wire
Road, and described modular converter couples communication line between isolation module with described.
In the present invention one preferred embodiment, described embedded processing module also comprise non-carrier communications analysis unit and
Carrier communication analytic unit；Described non-carrier communications analysis unit is connected with described non-carrier communication module, is used for analyzing described
The non-carrier signal of non-carrier communication module output；Described carrier communication analytic unit is connected with described carrier communication module, uses
In the carrier signal analyzing the output of described carrier communication module；Wherein, described non-carrier communication module is mainly by primary processor
Peripheral communication function and corresponding level shifting circuit are constituted, and comprise RS485 communication module and RS232 communication module；Actual work
RS232 communication module in work, the equipment such as infrared are mainly used to debug the local uplink port of acquisition terminal, start experimentation；
RS485 interface is mainly used to debug the equipment such as 485 electric energy meters；Described non-carrier communications analysis unit comprises RS485 communications analysis
Module and RS232 communications analysis module；Described RS485 communication module is for debugging 485 electric energy meters；Described RS232 communication module
For debugging the local uplink port of acquisition terminal；Described RS485 communication module is connected with described RS485 communications analysis module,
Described RS232 communication module is connected with described RS232 communications analysis module.
In the present invention one preferred embodiment, described embedded processing module also comprises waveform display module and numeral letter
Number processing module；Described waveform display module is connected with described modular converter, for showing non-carrier according to described digital signal
Signal and/or the waveform image of carrier signal；Described digital signal processing module is connected with described modular converter, for according to institute
State digital signal and calculate the described non-carrier signal of acquisition and/or the frequency spectrum data of carrier signal；Described embedded processing module is also
Comprising frequency spectrum display module, described frequency spectrum display module is connected with described digital signal processing module, for according to described frequency spectrum
Data display spectral image information.
In the present invention one preferred embodiment, described coupling isolation module comprises sampling capacitor, isolating transformer and takes
Sample resistance；Described sampling capacitor is for isolating power frequency and providing the communication port of carrier signal；Described isolating transformer is used for
Described power information acquisition system failure detector is isolated with electric lines of force, with the personal safety of safeguard work personnel；Described
Sample resistance for providing the interface impedance of correspondence for described power information acquisition system failure detector.
By power information acquisition system failure detector provided by the present invention, can determine whether to analyze acquisition terminal and electricity
Carrier communication or the RS485 communication function of energy table are the most normal, can also show waveform and the frequency spectrum of signal of communication, two kinds of functions
The communication failure judging acquisition terminal is analyzed in conjunction with help electric power enterprise grass-roots work personnel.
According to above-described embodiment, power information acquisition system failure detector provided by the present invention is in actual use
Collection can be efficiently accomplished and gather terminal test function, electric energy meter test function and subtest function Trinitarian comprehensive detection row
For, below based on power information acquisition system failure detector, above-mentioned functions testing process is elaborated.
(1) acquisition terminal test function
Acquisition terminal test function includes that acquisition terminal carrier wave launches power test and receiving sensitivity test, owing to gathering
Terminal in local communication generally as main equipment, need in debugging at the scene for this by the communication interfaces such as infrared, RS232 with adopt
Collection terminal communication, and in debugging apparatus, develop simulation table function, carry out response communication as from equipment and acquisition terminal.
Launch power test: start acquisition terminal and check meter order, commissioning device monitoring acquisition terminal descending carrier signal, adopt
Collection carrier module launches the power level of signal, is converted to, through calibration calculations, the absolute power level that carrier wave is launched.
Accept sensitivity test: by the way of acquisition terminal copy reading instrument internal simulation table, gradually reduce simulation table and carry
The transmitting power of mode block, can detection acquisition terminal normally receive simulation table data, judge acquisition terminal carrier module
Receiving sensitivity.
(2) electric energy meter test function
Under carrier communication function testing mode, first issued, with carrier mode, message of checking meter by debugging apparatus, simultaneously etc.
Treat that carrier wave meter feedback information, detection obtain electric energy meter carrier wave tranmitting frequency.The carrier wave gradually reducing message of checking meter by device is sent out
Penetrate power, until electric energy meter can not normally receive check meter order correct response, cycle detection carrier wave meter receiving sensitivity.
Under RS485 test pattern, debugging apparatus issues, by RS485, message of checking meter, and analyzes the feedback message of electric energy meter,
Detect the virtual voltage of RS485 communication link simultaneously, the most normal for customer analysis RS485 link.
(3) subtest function
Subtest function includes doubtful signal power detection function and electric lines of force electromagnetic noise monitoring function.Doubtful signal
Whether power detection exists the signal of doubtful carrier wave in the frequency range that user sets mainly for detection of electric lines of force, if deposited
Then detect its power and update display.Power line noise detection function can be examined in the band limits of 50kHz-500kHz
Survey the power of all signals, and pattern dynamic refresh metrical information graphically.Can facilitate customer analysis noise signal time
Between characteristic, band information and power distribution characteristics etc..
The power information acquisition system failure detector that the present invention proposes may be used for the on-the-spot tune of local communication fault
Examination, this device can effectively judge acquisition terminal and the low pressure carrier wave of electric energy meter and RS485 communication interface practical communication ability, and
Can effectively monitor the noise on electric lines of force.By to noise frequency range, time of origin and the analysis of the feature such as the most continuous, for dimension
Repair, change the foundation of the offer science decisions such as carrier schemes.The diagram of the existing image of information that device is given, also has and counts accurately
According to, it is adapted to the user of different levels.This device can be as test carrier wave and RS485 communication products scene practical communication energy
The main tool of power, it is also possible to as test and the effective means of improving product communication mode, to power information collection, electric energy
Quality assurance and operation maintenance play an important role.The synchronous acquisition rate of delivery, power consumption can be improved by this device, enter
And improve the on-line monitoring of the line loss same period, programming count and information transfer efficiency, it is effectively improved corporate economy's benefit.
Particular embodiments described above, has been carried out the purpose of the present invention, technical scheme and beneficial effect the most in detail
Describe in detail bright, be it should be understood that the specific embodiment that the foregoing is only the present invention, the guarantor being not intended to limit the present invention
Protect scope, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included in this
Within the protection domain of invention.
Claims (10)
1. a power information acquisition system failure detector, it is characterised in that described detection device comprises: non-carrier communication
Module, carrier communication module, coupling isolation module, modular converter and embedded processing module；
Described non-carrier communication module is connected with outside non-carrier communication line, is used for gathering non-carrier signal and exporting；
Described coupling isolation module is connected with outer low pressure circuit, is used for isolating electric lines of force and power frequency, and provides outer low pressure
The communication acquisition channel of circuit outgoing carrier signal；
Described carrier communication module couples isolation module with described, for gathering carrier signal also by described coupling isolation module
Output；
Described modular converter respectively with outside non-carrier communication line and described couple isolation module, be used for gathering non-carrier signal
And carrier signal, and described non-carrier signal and described carrier signal are converted to output after digital signal；
Described embedded processing module respectively with described non-carrier communication module, described carrier communication module and described modular converter
It is connected, for the digital signal and described non-carrier communication module and the described carrier communication module that input according to described modular converter
The non-carrier signal of input and the communication failure condition of carrier signal analytical calculation acquisition terminal.
Power information acquisition system failure detector the most according to claim 1, it is characterised in that described coupling is isolated
Module also comprises signal filtering unit, and described signal filtering unit is for filtering radio frequency signal component according to predetermined threshold value.
Power information acquisition system failure detector the most according to claim 2, it is characterised in that described signal filtering
Unit also comprises attenuator, and described attenuator is used for regulating described carrier signal to predefined size.
Power information acquisition system failure detector the most according to claim 1, it is characterised in that described modular converter
Signal of communication selection switch it is also associated with between isolation module, described communication letter with outside non-carrier communication line and described coupling
Number select modular converter described in on-off control and outside non-carrier communication line, and described modular converter couples isolation with described
The on and off of communication line between module.
Power information acquisition system failure detector the most according to claim 4, it is characterised in that described embedded place
Reason module comprises control unit, and described control unit selects switch to be connected with described signal of communication, is used for controlling described communication letter
Number select switch conduction or close described modular converter and outside non-carrier communication line, and described modular converter and described coupling
Close communication line between isolation module.
Power information acquisition system failure detector the most according to claim 1, it is characterised in that described embedded place
Reason module comprises non-carrier communications analysis unit and carrier communication analytic unit；
Described non-carrier communications analysis unit is connected with described non-carrier communication module, is used for analyzing described non-carrier communication module
The non-carrier signal of output；
Described carrier communication analytic unit is connected with described carrier communication module, for analyzing the output of described carrier communication module
Carrier signal.
Power information acquisition system failure detector the most according to claim 6, it is characterised in that described non-carrier is led to
Letter module comprises RS485 communication module and RS232 communication module, and described non-carrier communications analysis unit comprises RS485 communication point
Analysis module and RS232 communications analysis module；
Described RS485 communication module is for debugging 485 electric energy meters；
Described RS232 communication module is for debugging the local uplink port of acquisition terminal；
Described RS485 communication module is connected with described RS485 communications analysis module, described RS232 communication module and described RS232
Communications analysis module is connected.
Power information acquisition system failure detector the most according to claim 1, it is characterised in that described embedded place
Reason module also comprises waveform display module and digital signal processing module；
Described waveform display module is connected with described modular converter, for according to described digital signal display non-carrier signal and/
Or the waveform image of carrier signal；
Described digital signal processing module is connected with described modular converter, described non-for calculating acquisition according to described digital signal
Carrier signal and/or the frequency spectrum data of carrier signal.
Power information acquisition system failure detector the most according to claim 8, it is characterised in that described embedded place
Reason module also comprises frequency spectrum display module, and described frequency spectrum display module is connected with described digital signal processing module, for basis
Described frequency spectrum data display spectral image information.
Power information acquisition system failure detector the most according to claim 1, it is characterised in that described coupling every
Sampling capacitor, isolating transformer and sample resistance is comprised from module；
Described sampling capacitor is for isolating power frequency and providing the communication port of carrier signal；
Described isolating transformer is for isolating described power information acquisition system failure detector with electric lines of force；
Described sample resistance for providing the interface impedance of correspondence for described power information acquisition system failure detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767877.2A CN106209166A (en) | 2016-08-30 | 2016-08-30 | Power information acquisition system failure detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767877.2A CN106209166A (en) | 2016-08-30 | 2016-08-30 | Power information acquisition system failure detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106209166A true CN106209166A (en) | 2016-12-07 |
Family
ID=58089623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610767877.2A Pending CN106209166A (en) | 2016-08-30 | 2016-08-30 | Power information acquisition system failure detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106209166A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453784A (en) * | 2017-07-25 | 2017-12-08 | 南方电网科学研究院有限责任公司 | Communication interface sensitivity test method and system |
| CN110299953A (en) * | 2019-08-05 | 2019-10-01 | 国网重庆市电力公司电力科学研究院 | A kind of electric energy meter connection sensitivity test system and method |
| CN110346691A (en) * | 2019-08-19 | 2019-10-18 | 江苏大烨智能电气股份有限公司 | A kind of power line failure diagnostic device and method based on HPLC high-speed power carrier communication |
| CN112396818A (en) * | 2020-11-12 | 2021-02-23 | 贵州电网有限责任公司 | Portable mobile detection terminal |
| CN114006633A (en) * | 2021-09-29 | 2022-02-01 | 广东电网有限责任公司电力调度控制中心 | On-site monitoring method and system for low-voltage power line carrier communication system |
| CN114520674A (en) * | 2022-04-20 | 2022-05-20 | 青岛鼎信通讯股份有限公司 | Low-voltage line carrier communication signal input impedance characteristic test method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2727847Y (en) * | 2004-06-09 | 2005-09-21 | 李世学 | Intelligent power supplying and electricity stolen proofing network management system |
| CN102710461A (en) * | 2012-05-16 | 2012-10-03 | 广东电网公司电力科学研究院 | Site debugging device of intelligent metering terminal |
| CN104104456A (en) * | 2014-05-26 | 2014-10-15 | 许任阳 | Low-voltage detection device |
| CN205177145U (en) * | 2015-12-10 | 2016-04-20 | 国网四川省电力公司电力科学研究院 | Power consumption information acquisition test terminal |
| CN205961116U (en) * | 2016-08-30 | 2017-02-15 | 国家电网公司 | With electric information collection fault detection of system device |
-
2016
- 2016-08-30 CN CN201610767877.2A patent/CN106209166A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2727847Y (en) * | 2004-06-09 | 2005-09-21 | 李世学 | Intelligent power supplying and electricity stolen proofing network management system |
| CN102710461A (en) * | 2012-05-16 | 2012-10-03 | 广东电网公司电力科学研究院 | Site debugging device of intelligent metering terminal |
| CN104104456A (en) * | 2014-05-26 | 2014-10-15 | 许任阳 | Low-voltage detection device |
| CN205177145U (en) * | 2015-12-10 | 2016-04-20 | 国网四川省电力公司电力科学研究院 | Power consumption information acquisition test terminal |
| CN205961116U (en) * | 2016-08-30 | 2017-02-15 | 国家电网公司 | With electric information collection fault detection of system device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453784A (en) * | 2017-07-25 | 2017-12-08 | 南方电网科学研究院有限责任公司 | Communication interface sensitivity test method and system |
| CN110299953A (en) * | 2019-08-05 | 2019-10-01 | 国网重庆市电力公司电力科学研究院 | A kind of electric energy meter connection sensitivity test system and method |
| CN110299953B (en) * | 2019-08-05 | 2022-01-25 | 国网重庆市电力公司电力科学研究院 | Electric energy meter connection sensitivity test system and method |
| CN110346691A (en) * | 2019-08-19 | 2019-10-18 | 江苏大烨智能电气股份有限公司 | A kind of power line failure diagnostic device and method based on HPLC high-speed power carrier communication |
| CN112396818A (en) * | 2020-11-12 | 2021-02-23 | 贵州电网有限责任公司 | Portable mobile detection terminal |
| CN112396818B (en) * | 2020-11-12 | 2021-09-24 | 贵州电网有限责任公司 | Portable mobile detection terminal |
| CN114006633A (en) * | 2021-09-29 | 2022-02-01 | 广东电网有限责任公司电力调度控制中心 | On-site monitoring method and system for low-voltage power line carrier communication system |
| CN114520674A (en) * | 2022-04-20 | 2022-05-20 | 青岛鼎信通讯股份有限公司 | Low-voltage line carrier communication signal input impedance characteristic test method |
| CN114520674B (en) * | 2022-04-20 | 2022-07-12 | 青岛鼎信通讯股份有限公司 | Low-voltage line carrier communication signal input impedance characteristic test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106209166A (en) | Power information acquisition system failure detector | |
| CN202057784U (en) | Online calibrating and digital online monitoring system for electric energy meter | |
| CN101833051B (en) | Electrified tester for zinc oxide arrester | |
| CN202230150U (en) | On-line monitoring intelligent terminal for electric power lightning arrester with fiber for power supply | |
| CN103048635B (en) | Anti-interference performance evaluation method for high voltage cable partial discharge on-line monitoring device | |
| CN106100767A (en) | A kind of carrier communication module intelligent checking system | |
| CN103364641B (en) | A kind of transformer station's transient state electromagnetic environment test method | |
| CN205961116U (en) | With electric information collection fault detection of system device | |
| CN106970291B (en) | A kind of method of automatic test high voltage device of transformer station current loop secondary load | |
| CN102721890A (en) | Practical monitoring device for virtual terminal power grid | |
| CN205901757U (en) | Carrier communication module intelligent detecting system | |
| CN201654153U (en) | Live tester of zinc oxide arrester | |
| CN110940938A (en) | Device and method for detecting connection relation between user electric meter and transformer | |
| CN107294562B (en) | Low-voltage power carrier module simulation detection device | |
| CN105067866B (en) | A kind of common voltage test device | |
| CN106093637A (en) | The removing method of dead band defect between intelligent substation primary equipment and secondary device | |
| CN205563986U (en) | On --spot service terminals of power consumption information collection system | |
| CN107612642A (en) | A kind of signal band and out-of-band interference level method of testing | |
| CN204203410U (en) | A kind of high-tension switch cabinet discharge fault on-line monitoring system | |
| CN205080129U (en) | Device is patrolled and examined to insulating oil matter state specialty of oil immersible power transformer | |
| CN110940873A (en) | Device and method for detecting topological relation between user electric meter and transformer | |
| CN110703177A (en) | Integrated test device and method for electrical performance test of voltage transformer for distribution network | |
| CN203786213U (en) | Emi filter loading insertion loss automatic test system | |
| CN204945268U (en) | Lightning arrester on-line monitoring circuit | |
| CN108809357B (en) | Power line carrier communication field inspection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |