CN107978141A - A kind of system based on APP software programs control carrier sense provision - Google Patents
A kind of system based on APP software programs control carrier sense provision Download PDFInfo
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- CN107978141A CN107978141A CN201711154250.0A CN201711154250A CN107978141A CN 107978141 A CN107978141 A CN 107978141A CN 201711154250 A CN201711154250 A CN 201711154250A CN 107978141 A CN107978141 A CN 107978141A
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- 238000004891 communication Methods 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000011017 operating method Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72415—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories for remote control of appliances
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Telephone Function (AREA)
Abstract
The present invention relates to a kind of system based on APP software programs control carrier sense provision;The present invention includes being provided with the devices such as the mobile phone of APP software programs, the live carrier sense provision with reception mobile phone WIFI and Bluetooth signal, mainstream acquisition terminal producer carrier module, collection in worksite equipment.The corresponding WIFI having by key control of the APP programs and Bluetooth function scene carrier sense provision, press corresponding key command, information receiver is connected with live carrier sense provision, the control device and the national grid standard concentrator at scene, the collecting devices such as carrier module are attached, described information reception device is sent a signal to by the APP programs on mobile phone, information receiver sends instructions to the quasi- collecting device system of live state's network mark by control device, it can realize that collection in worksite device data is copied and accepted, carrier signal is tested, breakdown judge is investigated.
Description
Technical field
The present invention relates to a kind of system based on APP software programs control carrier sense provision.
Background technology
With the strategy implementation of the unified strong intelligent grid of State Grid Corporation of China's construction, intelligent grid is matched somebody with somebody, electricity consumption link
The requirement of information exchange gradually steps up, match somebody with somebody, the electricity consumption side communication technology be realize intelligent grid match somebody with somebody, the base of electricity consumption side information exchange
Plinth, is to realize electric network information, automation, interactive premise and guarantee.Domestic existing low-voltage collecting meter reading system mainly passes through
Narrowband carrier realizes, although the narrowband carrier communication technology gradually initially entered can the practical stage, its bandwidth is small, copies and accepts
The shortcomings of speed is slow, and concentrated collection is less efficient can not be ignored, as the utilization rate of acquisition system data requires to be continuously improved, respectively
Terminal Type failure also increases therewith, therefore how to improve collection in worksite terminal O＆M efficiency and become the task of top priority.
The taiwan area scheme in many areas in the whole nation is all provided by different manufacturers at present, the load worn needed for field adjustable personnel
Ripple detection device and electric energy meter test software are provided by scheme producer, mutual incompatible, each carrier wave before different manufacturers
Detection device will configure different palm machines and be used, and it is live O＆M tune that Field Force, which goes out to need to take each producer's accessory,
Examination personnel's maintenance work brings inconvenience, reduces work efficiency.
It is therefore desirable to reform and innovate.
The content of the invention
It is an object of the invention to provide a kind of system of APP software programs control carrier sense provision.The present invention is adopted
Technical solution is as follows:
The present invention is provided with the mobile device for being provided with APP programs, live carrier wave inspection based on APP softwares control carrier sense provision
Survey device, WIFI module, bluetooth module, 485 detection modules, LED display module, LCE display modules, the quasi- carrier module of state's network mark
Interface, 2009 editions state's net standard telecommunications modules interfaces, 2013 editions state's net standard telecommunications modules interfaces, carrier wave coupling module, power supplys
Protection module, the first power supply wiring port, second source Wiring port power supply wiring port, collection in worksite equipment, power module,
Live carrier sense provision is attached with 485 modules by 485 signal wires, live carrier sense provision and LED display module
It is attached by conducting wire, live carrier sense provision is attached with LCE display modules by conducting wire, live carrier wave detection dress
Put and be attached with the state quasi- carrier module of network mark by conducting wire, the quasi- carrier module of state's network mark and 2009 editions state's net standard telecommunications modules
It is attached with 2013 editions state's net standard telecommunications modules by electronics Jack Interface, the quasi- carrier module of state's network mark and carrier wave coupled mode
Block is attached by circuit lead, and carrier wave coupling module is attached with power source protective module by conducting wire, power protection mould
Block is attached with the first power supply wiring port by conducting wire, power source protective module and second source Wiring port by conducting wire into
Row connection, the first power supply wiring port, second source Wiring port and collection in worksite device context collecting device by conducting wire into
Row connection, power source protective module are connected with power module;It is provided between the mobile phone of APP programs and live carrier sense provision and leads to
Cross WIFI module or bluetooth module carries out wireless communication connection, realize 485 signal detection of module and the quasi- carrier module of state's network mark
Signal detection, Site Detection signal is shown by LED module or LCE display modules at the scene above carrier sense provision
Show, the quasi- carrier module interface of state's network mark by 2009 editions state's net standard telecommunications modules interfaces or with 2013 editions state's net standard traffics
Module interface is attached, and is then attached to carrier wave coupling module, then be connected to power module by power source protective module and carry out
Power protection, then be connected to collection in worksite by the first power supply wiring port, second source Wiring port power supply wiring port and set
It is standby, carrier sense provision is transferred data to by cell phone application programmed instruction, live carrier sense provision receives data command
Carry out data reading system to collection in worksite equipment afterwards, collection in worksite equipment, which receives, receives that make after order should after data command
Answer, and be also to be transmitted through power line carrier to live carrier sense provision by WIFI or bluetooth approach data after response
Last data, which are carried out, to APP ends parses display;
If it is provided between the mobile phone 1 of APP programs and live carrier sense provision 2 and wireless communication company is carried out by WIFI module 3
Connect, then operating method is as follows:
1) opens cell phone application software,
2) logins live carrier sense provision server,
3) logins success,
4) obtains field module information,
5) sends command adapted thereto according to module information,
6) scenes carrier sense provision receives instruction,
7) is forwarded the data on state's net standard module,
8) scenes carrier sense provision receives state's network mark quasi-mode block signal,
9) forwards the data to mobile phone,
10) forwards the data to cell phone application software analytic message;
If it is provided between the mobile phone 1 of APP programs and live carrier sense provision 2 and wireless communication company is carried out by bluetooth module 4
Connect, then operating method is as follows:
1) opens cell phone application software,
2) Bluetooth matchings,
3) successful match,
4) obtains live carrier sense provision module information,
5) sends command adapted thereto according to module information,
6) live carrier sense provision receives instruction,
7) is forwarded the data on state's net standard module,
8) scenes carrier sense provision receives state's net standard module,
9) forwards the data to cell phone application software analytic message.
Compared with the prior art, the present invention is substituted using cell phone application software program with WIFI or the communication modes of bluetooth
Conventional palm machine and data cable serial ports are controlled collection in worksite equipment carrier sense provision, reach collection in worksite device data and copy
Receive, carrier signal is tested, the purpose of breakdown judge investigation.The present invention has following advantage：APP program interfaces are clear, using simple,
Routine use mobile phone install APP programs, using wireless network carry out communication realize field data copy and accept, fault detect, without
All types of hand-held palm machines and other numerous terminal devices are carried, it is convenient and practical, it can realize that state host flows by present device
Producer's concentrator module is compatible to be used.The present invention can save O＆M cost, and live operation maintenance personnel need to only carry daily mobile phone, peace
APP procedure operation software, live carrier sense provision are filled, using the WIFI or Bluetooth function of mobile phone, passes through cell phone application
Software program is controlled live carrier sense provision, realizes that field data is copied and accepted.Performance in terms of practicality is more prominent
Go out, the acquisition terminal detection device that the present invention is convenient for carrying, a variety of settling modes, double insurance, brings to live operation maintenance personnel
Greatly facilitate, the present invention installs control programme-control scene carrier sense provision using existing mobile phone and carries out field failure point
Analysis, inexpensive, easy to operate, effective raising O＆M efficiency, has power information acquisition system great meaning.
Brief description of the drawings
Fig. 1 is the present invention based on APP softwares control carrier sense provision electrical block diagram.
Digital explanation in Fig. 1：
1. the mobile phone of APP programs is installed, 2. live carrier sense provisions, 3.WIFI modules, 4. bluetooth modules, 5.485 detections
Module, 6.LED display modules, 7.LCE display modules, the quasi- carrier module interface of 8. state's network marks, 9.2009 editions state's net standard traffics
Module interface, 10.2013 editions state's net standard telecommunications modules interfaces, 11. carrier wave coupling modules, 12. power source protective modules, 13.
One power supply wiring port, 14. second source Wiring ports, 15. collection in worksite equipment, 16, power module 17.
Embodiment
The present invention is the system that carrier sense provision progress data acquisition is controlled by cell phone application software program;Utilize hand
Machine APP softwares detected dress by slapping machine and data cable serial ports to live carrier wave in the past with WIFI or the substitution of the communication modes of bluetooth
Put and be controlled, achieve the purpose that collection in worksite device data is copied and accepted, carrier module is tested, breakdown judge investigation.The hand
Machine APP software systems, support Android system mobile phone to install this APP.The control is：By cell phone application software, WIFI is utilized
Or bluetooth is attached with live carrier sense provision, carries out field data using instruction and copy and accept.The live carrier wave inspection
Survey the compatible main flow terminal producer carrier module that Guo Wang companies are currently running at present of device.The present invention is existing based on the control of APP softwares
The system of field carrier sense provision includes being provided with the mobile phone of APP, equipped with the information receiver for receiving cellphone information, institute
State information receiver to be connected with live power information collecting device device, the letter is sent a signal to by the APP on mobile phone
Reception device is ceased, described information reception device sends control instruction scene power information collecting device by the control device and fills
Put, the cell-phone function device, live carrier sense provision, live power information that the function system includes APP software programs are adopted
Collect apparatus；The information transmitting apparatus being connected with the control device is also equipped with the mobile phone, the control device shows
Field carrier sense provision passes through the real time information that carrier module is used for live power information collecting device device, the control device
The real time information is sent to the mobile phone by way of WIFI or bluetooth and is shown in APP software programs.APP should
Control instruction is set respectively with the button of program interface, the corresponding WIFI having by key control of the APP programs and bluetooth
Function scene carrier sense provision, presses corresponding data command, by WIFI or Bluetooth function device by corresponding signal
Send, information receiver is connected with live carrier sense provision, sends instructions to the quasi- collecting device system of live state's network mark
System, it is possible to achieve field device failure is tested and judged using mobile phone;The collection in worksite plant control unit includes country
The collecting devices such as power grid standard concentrator, intelligent meter, pass through carrier communication between intelligent electric energy meter and live carrier sense provision
Mode connects.Cell phone application software is connected to carrier sense provision by way of WIFI or bluetooth, copy the hair of control order
Send the reception with data and shown after being parsed.State nets universal carrier module and is installed on carrier detection module, receives hand
Order that machine APP program applications are sent out simultaneously is communicated by carrier system with collection in worksite EM equipment module, and will
Return to the data come in same carrier system to pass back on live carrier sense provision, eventually through live carrier sense provision
WIFI communication module or bluetooth communication communicate with mobile phone, various fault detects are realized by APP programs.Scene
Carrier sense provision receives the control of copying that cell phone application program is sent and orders, through communication module to the live carrier sense provision of inspection.Pass through again
After carrier chip band spectrum modulation, transmitting feedback net circuit frequency-selecting amplification, it is transmitted on low-voltage power line, power line terminal to the end
Equipment（Carrier electric energy meter）.Electric power line terminal equipment responds after receiving order, and is also through electric power data after response
Line carrier wave communicates to detection terminal, then by WIFI communication module or bluetooth communication with mobile phone, carries out last
Data parsing display.Internal structure is included by Circuit Board PCB module, power module, communication module composition.Outside carries concentrator
Module communication interface, concentrator carrier module are installed on carrier wave inspection modular device, and selecting the mode of communication can be
WIFI communication module or Bluetooth communication.
The present invention is further described with reference to the accompanying drawings and examples.
As shown in Figure 1, the present invention based on APP softwares control carrier sense provision be provided be provided with APP programs mobile phone,
Live carrier sense provision, WIFI module, bluetooth module, 485 detection modules, LED display module, LCE display modules, state's network mark
Quasi- carrier module interface, 2009 editions state's net standard telecommunications modules interfaces, 2013 editions state's net standard telecommunications modules interfaces, carrier wave coupling
Module, power source protective module, the first power supply wiring port, second source Wiring port power supply wiring port, collection in worksite equipment,
Power module, live carrier sense provision 2 are attached with 485 modules 5 by 485 signal wires, live carrier sense provision 2
It is attached with LED display module 6 by conducting wire, live carrier sense provision 2 and LCE display modules 7 are connected by conducting wire
Connect, live carrier sense provision 2 is attached with the state quasi- carrier module 8 of network mark by conducting wire, the quasi- carrier module 8 of state's network mark with
2009 editions state's net standard telecommunications modules 9 and 2013 editions state's net standard telecommunications modules 10 are attached by electronics Jack Interface, state
The quasi- carrier module 8 of network mark is attached with carrier wave coupling module 11 by circuit lead, carrier wave coupling module 11 and power protection
Module 12 is attached by conducting wire, and power source protective module 12 is attached with the first power supply wiring port 13 by conducting wire, electricity
Source protection module 12 is attached with second source Wiring port 14 by conducting wire, the first power supply wiring port 13, second source
Wiring port 14 and collection in worksite device context collecting device 15 are attached by conducting wire, power source protective module 12 and power supply mould
Block 16 connects;It is provided between the mobile phone 1 of APP programs and live carrier sense provision 2 by WIFI module 3 or bluetooth module
4 carry out wireless communication connection, realize 485 signal detection of module and the quasi- carrier module signal detection of state's network mark, and Site Detection is believed
Number shown at the scene above carrier sense provision by LED module 6 or LCE display modules, the quasi- carrier module of state's network mark
Interface 8 is connected by 2009 editions state's net standard telecommunications modules interfaces 9 or with 2013 editions state's net standard telecommunications modules interfaces 10
Connect, be then attached to carrier wave coupling module 11, then be connected to power module 17 by power source protective module 12 and carry out power protection,
Collection in worksite equipment is connected to by the first power supply wiring port 13,14 power supply wiring port of second source Wiring port again, is led to
Cross cell phone application programmed instruction and transfer data to carrier sense provision, live carrier sense provision receives right after data command
Collection in worksite equipment carries out data reading system, collection in worksite equipment receives receive order after data command after respond, and
It is also that APP is transferred to by WIFI or bluetooth approach to live carrier sense provision through power line carrier data after response
End carries out last data parsing display.
If it is provided between the mobile phone 1 of APP programs and live carrier sense provision 2 and channel radio is carried out by WIFI module 3
Letter connection, then operating method is as follows:
1) opens cell phone application software,
2) logins live carrier sense provision server,
3) logins success,
4) obtains field module information,
5) sends command adapted thereto according to module information,
6) scenes carrier sense provision receives instruction,
7) is forwarded the data on state's net standard module,
8) scenes carrier sense provision receives state's network mark quasi-mode block signal,
9) forwards the data to mobile phone,
10) forwards the data to cell phone application software analytic message;
If it is provided between the mobile phone 1 of APP programs and live carrier sense provision 2 and wireless communication company is carried out by bluetooth module 4
Connect, then operating method is as follows:
1) opens cell phone application software,
2) Bluetooth matchings,
3) successful match,
4) obtains live carrier sense provision module information,
5) sends command adapted thereto according to module information,
6) live carrier sense provision receives instruction,
7) is forwarded the data on state's net standard module,
8) scenes carrier sense provision receives state's net standard module,
9) forwards the data to cell phone application software analytic message.
Concentrator module module communication interface（2009/2013 edition state's net standard communication interface）, the interface support meet 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 user power consumption information acquisition system communication protocols, concentrator Local Communication Module interface protocol, while also it is adapted to state
The relevant regulations of 1374.3-2009 editions power user power consumption information acquisition system communications of Q/GDW are netted, each building block leads to
Letter passes through main nucleus module.Concrete operating principle is such as：Detection terminal first passes through main nucleus module by serial communication receive information
Afterwards, then by 2009/2013 edition state's net standard communication interface to national grid standard concentrator module carry out information processing or
Encapsulation, after the completion of, pass back to main nucleus module, then to power module, onto low-voltage power line, complete work below.Pass through
APP programs send recognition command, the essential information of live carrier module are identified, if can successfully identify can return to the basic of module
Information, including vendor code, chip code, version date, version.If being unable to successful module identification, illustrate that the module can not
With.Then, electric meter address and password are inputted in cell phone application program, the operation that order carries out various functions is sent, such as reads electricity
Table current electric quantity, current date, current time, modification date, modification time, the essential information for reading concentrator module.
Claims (1)
- A kind of 1. system based on APP software programs control carrier sense provision, it is characterised in that, controlled and carried based on APP softwares Ripple detection device is provided with the mobile phone for being provided with APP programs, live carrier sense provision, WIFI module, bluetooth module, 485 inspections Module, LED display module, LCE display modules, the quasi- carrier module interface of state's network mark, 2009 editions state's net standard telecommunications modules are surveyed to connect Mouth, 2013 editions state's net standard telecommunications modules interfaces, carrier wave coupling module, power source protective module, the first power supply wiring port, second Power supply wiring port supply terminals mouth, collection in worksite equipment, power module, live carrier sense provision pass through with 485 modules 485 signal wires are attached, and live carrier sense provision is attached with LED display module by conducting wire, live carrier wave detection Device is attached with LCE display modules by conducting wire, and live carrier sense provision passes through conducting wire with the quasi- carrier module of state's network mark It is attached, the quasi- carrier module of state's network mark passes through with 2009 editions state's net standard telecommunications modules and 2013 editions state's net standard telecommunications modules Electronics Jack Interface is attached, and the quasi- carrier module of state's network mark is attached with carrier wave coupling module by circuit lead, carrier wave Coupling module is attached with power source protective module by conducting wire, and power source protective module and the first power supply wiring port pass through conducting wire It is attached, power source protective module is attached with second source Wiring port by conducting wire, the first power supply wiring port, second Power supply wiring port and collection in worksite device context collecting device are attached by conducting wire, power source protective module and power module Connection;It is provided between the mobile phone of APP programs and live carrier sense provision and nothing is carried out by WIFI module or bluetooth module Line communicates to connect, and realizes 485 signal detection of module and the quasi- carrier module signal detection of state's network mark, Site Detection signal is passed through LED module or LCE display modules are shown that the quasi- carrier module interface of state's network mark passes through at the scene above carrier sense provision 2009 editions state's net standard telecommunications modules interfaces are attached with 2013 editions state's net standard telecommunications modules interfaces, are then attached to Carrier wave coupling module, then be connected to power module by power source protective module and carry out power protection, then pass through the first power supply wiring Port, second source Wiring port power supply wiring port are connected to collection in worksite equipment, by cell phone application programmed instruction by data Carrier sense provision is transferred to, live carrier sense provision copies collection in worksite equipment progress data after receiving data command Read, collection in worksite equipment receives receive order after data command after respond, and be also through electric power data after response Line carrier wave is transferred to APP ends by WIFI or bluetooth approach and carries out to live carrier sense provision；If being provided between the mobile phone of APP programs and live carrier sense provision and carrying out wireless communication connection by WIFI module, Then operating method is as follows:1) opens cell phone application software,2) logins live carrier sense provision server,3) logins success,4) obtains field module information,5) sends command adapted thereto according to module information,6) scenes carrier sense provision receives instruction,7) is forwarded the data on state's net standard module,8) scenes carrier sense provision receives state's network mark quasi-mode block signal,9) forwards the data to mobile phone,10) forwards the data to cell phone application software analytic message;If being provided between the mobile phone of APP programs and live carrier sense provision and carrying out wireless communication connection by bluetooth module, Then operating method is as follows:1) opens cell phone application software,2) Bluetooth matchings,3) successful match,4) obtains live carrier sense provision module information,5) sends command adapted thereto according to module information,6) live carrier sense provision receives instruction,7) is forwarded the data on state's net standard module,8) scenes carrier sense provision receives state's net standard module,9) forwards the data to cell phone application software analytic message.Last data parsing display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711154250.0A CN107978141A (en) | 2017-11-20 | 2017-11-20 | A kind of system based on APP software programs control carrier sense provision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711154250.0A CN107978141A (en) | 2017-11-20 | 2017-11-20 | A kind of system based on APP software programs control carrier sense provision |
Publications (1)
| Publication Number | Publication Date |
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| CN107978141A true CN107978141A (en) | 2018-05-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112598895A (en) * | 2020-11-16 | 2021-04-02 | 中国电力科学研究院有限公司 | System and method for preventing multi-channel conflict during electric energy meter verification |
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2017
- 2017-11-20 CN CN201711154250.0A patent/CN107978141A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112598895A (en) * | 2020-11-16 | 2021-04-02 | 中国电力科学研究院有限公司 | System and method for preventing multi-channel conflict during electric energy meter verification |
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Application publication date: 20180501 |
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