CN106297251A - Electric field multifunctional general trouble analysis system - Google Patents

Electric field multifunctional general trouble analysis system Download PDF

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Publication number
CN106297251A
CN106297251A CN201610884827.2A CN201610884827A CN106297251A CN 106297251 A CN106297251 A CN 106297251A CN 201610884827 A CN201610884827 A CN 201610884827A CN 106297251 A CN106297251 A CN 106297251A
Authority
CN
China
Prior art keywords
module
terminal
communication
mobile terminal
detection terminal
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
Application number
CN201610884827.2A
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Chinese (zh)
Inventor
罗义钊
俞煌
陈清雷
李榕桂
连大营
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUJIAN WANGNENG TECHNOLOGY DEVELOPMENT Co Ltd
State Grid Corp of China SGCC
State Grid Information and Telecommunication Co Ltd
Original Assignee
FUJIAN WANGNENG TECHNOLOGY DEVELOPMENT Co Ltd
State Grid Corp of China SGCC
State Grid Information and Telecommunication Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FUJIAN WANGNENG TECHNOLOGY DEVELOPMENT Co Ltd, State Grid Corp of China SGCC, State Grid Information and Telecommunication Co Ltd filed Critical FUJIAN WANGNENG TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN201610884827.2A priority Critical patent/CN106297251A/en
Publication of CN106297251A publication Critical patent/CN106297251A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • G06F13/4286Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using a handshaking protocol, e.g. RS232C link
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00Electric signal transmission systems
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/04Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
    • H02J13/0013
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/121Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Selective Calling Equipment (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The present invention relates to electric field multifunctional general trouble analysis system.Described electric field multifunctional general trouble analysis system is provided with field portable detection terminal, handheld terminal, national grid standard concentrator module, mobile terminal;The communication of each building block is required for through main nucleus module, detection terminal receives information by serial communication, after first passing through main nucleus module, information processing or encapsulation is carried out to national grid standard concentrator module again through 2009/2013 edition state's net standard communication interface, after completing, pass back to main nucleus module, then to power module, on low-voltage power line, complete work below;Concentrator module is arranged in detection terminal, receive order that handheld terminal or mobile terminal send out and communicated with ammeter module by carrier system, and pass back in detection terminal by returning the data come in same carrier system, communicate with handheld terminal or mobile terminal eventually through the serial communication module in detection terminal or bluetooth communication, it is achieved various detection functions.

Description

Electric field multifunctional general trouble analysis system
Technical field
The present invention relates to electric field multifunctional general trouble analysis system.
Background technology
Along with the strategy implementation of the unified strong intelligent grid of State Grid Corporation of China construction, intelligent grid is joined, electricity consumption link The mutual requirement of information gradually steps up, and joins, electricity consumption side communication technology is to realize the base that intelligent grid is joined, electricity consumption side information is mutual Plinth, is to realize electric network information, automatization, interactive premise and guarantee.Domestic existing low-voltage collecting meter reading system mainly passes through Narrowband carrier realizes, although narrowband carrier communication technology the most gradually initially enters can the practical stage.But its bandwidth is little, copies and accepts Speed is slow, and the shortcomings such as concentrated collection is inefficient can not be ignored.Therefore, it is necessary to improve.
Summary of the invention
It is an object of the invention to provide electric field multifunctional general trouble analysis system.It is an object of the invention to this Sample realizes: described electric field multifunctional general trouble analysis system is provided with field portable and detects terminal, hand-held end End, national grid standard concentrator module, mobile terminal;Field portable detection terminal unit is provided with detection terminal main core mould Block, 2009/2013 edition state's net standard communication interface, serial communication modular, bluetooth communication, infrared communication module, it is responsible for The transfer of Frame and the detection of concentrator module and identification;Handheld terminal is connected with RS-232 or bluetooth, and RS-232 is with convenient Formula detection terminal connects, and handheld terminal is connected to detect in terminal in the way of serial communication, carry out copying the transmission of control order and The reception of data also shows after resolving;Described electric field multifunctional general trouble analysis system is gone here and there by RS232 Row mouth receives the control of copying of handheld terminal and orders, and detects terminal, portable detection terminal and low pressure through serial port data line to portable Electric lines of force is connected, and low-voltage power line is connected with electric lines of force terminal unit carrier electric energy meter;Mobile terminal with Blue-tooth communication method with Detection terminal be attached, described mobile terminal it and with power information gather main website be attached, carry out the monitoring of data With various feature operations such as records;Bluetooth communication receives the control order of copying of mobile terminal and detects terminal to portable;Mobile terminal Gather main website with power information to be connected, the record of operation is uploaded;Detection terminal, again after inter-process information, is sent to low In the piezoelectricity line of force, to last electric lines of force terminal unit carrier electric energy meter, electric lines of force terminal unit is made after receiving order should Answer, and be also to detect terminal, finally by RS232 serial line interface to hand-held through power line carrier to portable data after response Terminal or Bluetooth communication, to mobile terminal, carry out last data parsing and show;The inside of portable detection terminal is provided with electricity Road plate PCB module--main nucleus module, power module, communication module;Described communication module is: bluetooth communication, serial ports are logical Letter module, infrared communication module;Bluetooth communication, serial communication modular, infrared communication module with main nucleus module to communicate Mode is connected, with concentrator module communication interface outside main nucleus module, the communication of each building block be required for through Main nucleus module, detection terminal receives information by serial communication, after first passing through main nucleus module, then through 2009/2013 edition State's net standard communication interface carries out information processing or encapsulation to national grid standard concentrator module, after completing, passes back to master Nucleus module, then to power module, on low-voltage power line, complete work below;Concentrator module is arranged on detection terminal On, receive order that handheld terminal or mobile terminal send out and communicated with ammeter module by carrier system, and Pass back in detection terminal in same carrier system, eventually through the serial communication mould in detection terminal by returning the data come Block or bluetooth communication communicate with handheld terminal or mobile terminal, it is achieved various detection functions.
The invention have the characteristics that low cost, low-power consumption, be effectively improved success rate of checking meter, convenient and reliable.
The present invention has a following advantage:
Can realize multiple producers concentrator module by present device to be all suitable for;Concentration can be identified by present device The quality of device module and version information;Can realize operation maintenance personnel by present device and only need to carry a portable detection eventually End carries out field failure analysis, thus solves on-the-spot O&M problem;Can be carried out by the bluetooth of present device with mobile terminal Connect, utilize the application software of mobile terminal realize the debugging of on-the-spot ammeter equipment and record and upload to power information collection master Stand.
Performance in terms of practicality is the most prominent, brings great convenience to on-the-spot operation maintenance personnel.Same purpose is many Plant settling mode, double insurance.The simple, convenient electric field that can effectively improve is checked meter success rate, adopts power information Collecting system has great meaning.
Accompanying drawing explanation
Fig. 1 is available handheld terminal or the electric field multifunctional general trouble analysis system of mobile terminal composition System construction drawing.
Fig. 2 is the cut-away view of portable detection terminal.
Detailed description of the invention
With embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
Electric field multifunctional general trouble analysis system, mainly include field portable detection terminal, handheld terminal, National grid standard concentrator module, mobile terminal.Field portable detection terminal unit mainly includes detecting the main core of terminal Module, 2009/2013 edition state's net standard communication interface, serial communication modular, bluetooth communication, infrared communication module etc., its Major function is responsible for the transfer of Frame and the detection of concentrator module and identification.Handheld terminal major function is sending out of information Send, receive, process, show.It is connected to detect in terminal in the way of serial communication, the transmission of the order that carries out checking meter and data Show after receiving and resolving.Concentrator module mainly uses the concentrator module of main flow producer on the market.It is arranged on inspection Survey and be able to receive that order that the application software of handheld terminal or mobile terminal sends out in terminal and by carrier system and electricity Table module communicates, and passes back in detection terminal in same carrier system, eventually through inspection by returning the data come Survey the serial communication module in terminal or bluetooth communication communicates with handheld terminal or mobile terminal, it is achieved be various Detection function.Mobile terminal is attached with detection terminal with Blue-tooth communication method, is possible not only to realize the function of handheld terminal, Main website can also be gathered with power information to be attached, carry out the various feature operations such as the monitoring of data and record.
As it is shown in figure 1, handheld terminal is connected with RS-232 or bluetooth, RS-232 is connected with portable detection terminal, hand-held Terminal is connected to detect in terminal in the way of serial communication, carries out copying the transmission of control order and the reception of data and resolving Rear display.The control of copying being received handheld terminal by RS232 serial port is ordered, and detects terminal through serial port data line to portable, just Prompt formula detection terminal is connected with low-voltage power line, and low-voltage power line is connected with electric lines of force terminal unit (carrier electric energy meter).
Can also be that copying of Bluetooth communication reception mobile terminal controls order to portable detection terminal.
Detection terminal, again after inter-process information, is sent on low-voltage power line, sets to last electric lines of force terminal Standby (carrier electric energy meter).Electric lines of force terminal unit responds after receiving order, and is also through electric lines of force data after response Carrier wave detects terminal to portable, finally by RS232 serial line interface to handheld terminal or Bluetooth communication to mobile terminal, enters The last data parsing of row shows.
As in figure 2 it is shown, the inside of portable detection terminal is provided with Circuit Board PCB module--main nucleus module, power module, Communication module;Described communication module is: bluetooth communication, serial communication modular, infrared communication module.Bluetooth communication, Serial communication modular, infrared communication module are connected by correspondence with main nucleus module, with concentration outside main nucleus module Device module communication interface (2009/2013 edition state's net standard communication interface), this interface support meets state net Q/GDW 1374.3- 2013 power user power consumption information acquisition system communication unit technology specifications and Q/GDW 1376.2-2013 power consumer telecommunications Breath acquisition system communication protocol, concentrator Local Communication Module interface protocol, the most adaptive state net Q/GDW 1374.3-2009 The relevant regulations of version power user power consumption information acquisition system communication.The communication of each building block is required for through main core mould Block.Specific works principle is such as: detection terminal receives information by serial communication, after first passing through main nucleus module, then through 2009/ 2013 editions state's net standard communication interfaces carry out information processing or encapsulation to national grid standard concentrator module, after completing, return Pass to main nucleus module, then to power module, on low-voltage power line, complete work below.
Concentrator module is arranged in detection terminal, and the application software of reception handheld terminal or mobile terminal sends out Order and communicated with ammeter module by carrier system, and pass back to returning the data come in same carrier system In detection terminal, eventually through the serial communication module in detection terminal or bluetooth communication and handheld terminal or movement Terminal communicates, it is achieved various detection functions.Mobile terminal is attached with detection terminal with Blue-tooth communication method, it is also possible to Gather main website with power information to be attached.Described mobile terminal it and with power information gather main website be attached.Convenient Formula detection terminal is provided with RS232 serial port, and RS232 serial port receives the control of copying of handheld terminal and orders, through serial port data line to inspection Survey terminal, then after carrier chip band spectrum modulation, transmitting feedback net circuit frequency-selecting are amplified, be sent on low-voltage power line, to last Electric lines of force terminal unit (carrier electric energy meter), electric lines of force terminal unit responds after receiving order, and after response number According to being also to detection terminal through power line carrier, finally by RS232 serial line interface to handheld terminal, carry out last data solution Analysis display.Field portable detection terminal unit internal structure includes by Circuit Board PCB module, power module, communication module set Become.Outside with concentrator module communication interface, concentrator module is arranged in detection terminal, and the mode of selection communication can be Handheld terminal can also be mobile terminal.
The outward appearance of portable detection terminal is then designed analogous to intelligent electric energy meter apparent size.
Specific implementation process is: needed for scene, selects concentrator module.Concentrator module is arranged on detection terminal On, then power on.Select communication mode, can be handheld terminal or mobile terminal.Send recognition command, see that success is known The essential information of other concentrator module, if the essential information that can return module can successfully be identified, including vendor code, chip generation Code, version date, version.If can not successful module identification, illustrate that this module is unavailable.Then, in handheld terminal or shifting Input electric meter address and password in dynamic terminal, send order and carry out the operation of various function.Concrete function has: reads ammeter and works as Front electricity, current date, current time, amendment date, modification time, the essential information of reading concentrator module.Data are uploaded, Mobile terminal can gather main website with power information and be connected, and the record of operation can be uploaded.
Described electric field multifunctional general trouble analysis system, it multi-functional and universal.Multifunctional body is present: copy Ammeter electricity, read ammeter time and date, arrange ammeter time and date, monitoring the quality of concentrator module, identification The version information of concentrator module, gather main website by mobile terminal and power information and be attached realizing various feature operation. Universal being embodied in can enter mate with the most multiple concentrator module, it is achieved between a detection multiple concentrator module of terminal General.
Field portable detection terminal, because possessing 2009/2013 edition state's net standard communication interface, so supporting 09/13 Version concentrator module.Bluetooth communication can carry out coupling and be connected with the bluetooth on mobile terminal, utilizes answering on mobile terminal With software, show after sending and receive order the data parsing that can will receive.Serial communication modular can enter with handheld terminal Row connects, show after sending and receive order the data parsing that can will receive.
Described handheld terminal, it is easy to operate and multiple functional.Handheld terminal initiates as the transmission of data message, Display is received with data message.According to display reminding, it is achieved various feature operations.
It is multi-functional and gather main website with power information and be attached, from power information collection master for described mobile terminal Station more operates the monitoring with data and record.

Claims (2)

1. electric field multifunctional general trouble analysis system, it is characterised in that described electric field multifunctional general Trouble analysis system is provided with field portable detection terminal, handheld terminal, national grid standard concentrator module, mobile terminal; Handheld terminal is connected with RS-232 or bluetooth, and RS-232 is connected with portable detection terminal, and handheld terminal is with the side of serial communication Formula is connected to detect in terminal, shows after carrying out copying the transmission of control order and the reception of data and resolving;Described electric power The control of copying that on-the-spot multifunctional general trouble analysis system receives handheld terminal by RS232 serial port is ordered, through serial data Line detects terminal to portable, and portable detection terminal is connected with low-voltage power line, low-voltage power line and electric lines of force terminal unit Carrier electric energy meter connects;Mobile terminal with Blue-tooth communication method with detection terminal be attached, described mobile terminal and with Electrical information gathers main website and is attached, and carries out the various feature operations such as the monitoring of data and record;Bluetooth communication receives mobile whole The control order of copying of end detects terminal to portable;Mobile terminal gathers main website with power information and is connected, on the record operation Pass;Detection terminal, again after inter-process information, is sent on low-voltage power line, to last electric lines of force terminal unit carrier wave Electric energy meter, electric lines of force terminal unit responds after receiving order, and is also to just through power line carrier data after response Prompt formula detection terminal, finally by RS232 serial line interface to handheld terminal or Bluetooth communication to mobile terminal, carries out last Data parsing shows;The inside of portable detection terminal is provided with Circuit Board PCB module--main nucleus module, power module, communication Module;Described communication module is: bluetooth communication, serial communication modular, infrared communication module;Bluetooth communication, serial ports Communication module, infrared communication module are connected by correspondence with main nucleus module, with concentrator mould outside main nucleus module Block communication interface, the communication of each building block is all through main nucleus module, and detection terminal receives information by serial communication, first After main nucleus module, then enter to national grid standard concentrator module through 2009/2013 edition state's net standard communication interface Row information processing or encapsulation, after completing, pass back to main nucleus module, then to power module, on low-voltage power line, after completing The work in face;Concentrator module is arranged in detection terminal, receives order that handheld terminal or mobile terminal send out and leads to Cross carrier system to communicate with ammeter module, and pass back to detection terminal by returning the data come in same carrier system On, carry out with handheld terminal or mobile terminal eventually through the serial communication module in detection terminal or bluetooth communication Communication, it is achieved various detection functions.
Electric field multifunctional general trouble analysis system the most according to claim 1, it is characterised in that described electricity Power scene multifunctional general trouble analysis system selects communication mode to be handheld terminal or mobile terminal;Send and identify life Order, sees the essential information of success identification concentrator module, if the essential information that can return module can successfully be identified, including Vendor code, chip code, version date, version;If can not successful module identification, illustrate that this module is unavailable;Then, exist Input electric meter address and password on handheld terminal or mobile terminal, send order and carry out the operation of various function;Concrete merit Can have: read ammeter current electric quantity, current date, current time, amendment date, modification time, the base of reading concentrator module This information.
CN201610884827.2A 2016-10-11 2016-10-11 Electric field multifunctional general trouble analysis system Pending CN106297251A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106850098A (en) * 2017-01-13 2017-06-13 成都中科慧源科技有限公司 Portable spread-spectrum signal detecting system and method
CN107333288A (en) * 2017-07-10 2017-11-07 中国电力科学研究院 A kind of power information acquisition system field apparatus communication fault detection method and device
CN107544048A (en) * 2017-07-24 2018-01-05 杭州华罡智能科技有限公司 Gather Fault Identification module automatic detection device and detection method
CN107688163A (en) * 2017-08-25 2018-02-13 国网湖南省电力公司 A kind of performance detection analytical equipment of user power utilization information acquisition system
CN108152781A (en) * 2017-11-28 2018-06-12 国网湖南省电力有限公司 A kind of electric energy measuring equipment field failure detection method and system
CN109035742A (en) * 2018-08-22 2018-12-18 惠安科培工业设计有限公司 A kind of universal copy controller
CN109035746A (en) * 2018-07-30 2018-12-18 深圳市科陆电子科技股份有限公司 A kind of the function judgment method and system of centralized meter reading terminal
CN110429713A (en) * 2019-08-27 2019-11-08 青岛东软载波科技股份有限公司 A kind of collecting and copying device fault diagnosis system based on terminal

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106850098A (en) * 2017-01-13 2017-06-13 成都中科慧源科技有限公司 Portable spread-spectrum signal detecting system and method
CN107333288A (en) * 2017-07-10 2017-11-07 中国电力科学研究院 A kind of power information acquisition system field apparatus communication fault detection method and device
CN107544048A (en) * 2017-07-24 2018-01-05 杭州华罡智能科技有限公司 Gather Fault Identification module automatic detection device and detection method
CN107544048B (en) * 2017-07-24 2019-09-10 杭州华罡智能科技有限公司 Acquire fault identification module automatic detection device and detection method
CN107688163A (en) * 2017-08-25 2018-02-13 国网湖南省电力公司 A kind of performance detection analytical equipment of user power utilization information acquisition system
CN108152781A (en) * 2017-11-28 2018-06-12 国网湖南省电力有限公司 A kind of electric energy measuring equipment field failure detection method and system
CN109035746A (en) * 2018-07-30 2018-12-18 深圳市科陆电子科技股份有限公司 A kind of the function judgment method and system of centralized meter reading terminal
CN109035742A (en) * 2018-08-22 2018-12-18 惠安科培工业设计有限公司 A kind of universal copy controller
CN110429713A (en) * 2019-08-27 2019-11-08 青岛东软载波科技股份有限公司 A kind of collecting and copying device fault diagnosis system based on terminal

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