CN107230340A - A kind of electric energy meter copied available for multilist collection and system - Google Patents
A kind of electric energy meter copied available for multilist collection and system Download PDFInfo
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- CN107230340A CN107230340A CN201710225412.9A CN201710225412A CN107230340A CN 107230340 A CN107230340 A CN 107230340A CN 201710225412 A CN201710225412 A CN 201710225412A CN 107230340 A CN107230340 A CN 107230340A
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- 238000004891 communication Methods 0.000 claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000012546 transfer Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000013480 data collection Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
-
- 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
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- H02J13/0079—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems 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
- Y04S40/12—Systems 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
- Y04S40/126—Systems 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 wireless data transmission
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Fluid Mechanics (AREA)
- Signal Processing (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of electric energy meter copied available for multilist collection and system.A variety of metering outfits such as current water meter, gas meter, hotlist are limited by working environment, and its continuous data can not be easily achieved automatic data collection.The present invention includes downlink communication module and uplink communication module, administrative unit is set between described downlink communication module and uplink communication module, to realize the information transfer between downlink communication module and uplink communication module；Wherein, the downlink communication module is electrically connected with other Household metering tables, the statistics to obtain other Household metering tables；The uplink communication module is connected with concentrator or main website, the statistics is transferred into the concentrator or main website.The electric energy meter that the present invention is provided realizes multilist collection and copies the effect that especially four table collection are copied, it is not necessary to increase private communication converter, it is to avoid the waste of resource, and cost input is low.
Description
Technical field
The present invention relates to electric energy meter field, especially a kind of electric energy meter copied available for multilist collection and system.
Background technology
At present, China's electricity, water, four kinds of energy of air and heat belong to different division managements, and each business department has a style of one's own, industry
Business management, technology development are not almost occured simultaneously, although ammeter, water meter, gas meter, hotlist have in meter reading problem it is many it is similar it
Place, but be due to lack unified technical standard, the situ metrology of each energy and data acquisition are entered by independent network
OK, and relative to electric energy meter, a variety of metering outfits such as water meter, gas meter, hotlist are limited by working environment, and its continuous data is not
Automatic data collection can be easily achieved.In this way, on the measurement data acquisition of a variety of gauge tables, human and material resources, financial resources will be caused
Etc. a large amount of wastes of resource.
The content of the invention
For above-mentioned problems of the prior art, the present invention is intended to provide a kind of can be by all Household metering tables
Continuous data is uniformly uploaded to the electric energy meter of concentrator or main website, and ample resources is caused to the repeated construction of meter reading passage to reduce
Waste.
Therefore, the present invention is adopted the following technical scheme that：A kind of electric energy meter copied available for multilist collection, including downlink communication
Module and uplink communication module, set administrative unit, with realization between described downlink communication module and uplink communication module
Information transfer between row communication module and uplink communication module；
Wherein, the downlink communication module is electrically connected with other Household metering tables, the statistics to obtain other Household metering tables
Data；The uplink communication module is connected with concentrator or main website, to by the statistics be transferred to the concentrator or
Main website.
Preferably, also setting up the metering units being connected with the administrative unit in the electric energy meter.
Preferably, other Household metering tables include water meter, gas meter and hotlist.
Preferably, the downlink communication module passes through in long-distance meter-reading system bus, WIFI units, micropower radio-cell
One or more, be connected with the water meter, gas meter or hotlist.
Preferably, the uplink communication module passes through broad sense power line, general packet radio service technology, light, R485
One or more in bus, are connected with the concentrator or main website.
The present invention also provides a kind of system copied available for multilist collection, and the system includes above-mentioned electric energy meter, concentrator
And main website, it has been at least connected with a kind of Household metering table under the downlink communication module of each electric energy meter, and each electric energy meter is up
Communication module is connected with concentrator, by the data transfer collected to concentrator；The number that concentrator carrys out electric energy meter transmission
According to main website is transferred to, these data are uniformly processed for main website.
The present invention also provides another system copied available for multilist collection, and the system includes above-mentioned electric energy meter and master
Stand, a kind of Household metering table, and the uplink communication of each electric energy meter have been at least connected with the downlink communication module of each electric energy meter
Module is connected with main website, by the data transfer collected to main website；Main website is received after the data that electric energy meter is uploaded to these
Data are uniformly processed.
Two kinds of above-mentioned systems, the Household metering table includes water meter, gas meter and hotlist.
The invention has the advantages that or beneficial effect：The electric energy meter that the present invention is provided realizes the effect that multilist collection is copied,
Private communication converter need not be increased, it is to avoid the waste of resource, cost input is low；Solve Utilities Electric Co., waters corporation with
And repeated construction of the gas company to meter reading passage, improve efficiency of service；Due to the concentration construction of meter reading passage, dimension is reduced
Protect workload.
Brief description of the drawings
With reference to appended accompanying drawing, more fully to describe embodiments of the invention.However, appended accompanying drawing be merely to illustrate and
Illustrate, and be not meant to limit the scope of the invention.
Fig. 1 is the structured flowchart of the embodiment of the present invention one；
Fig. 2 is the structured flowchart of the embodiment of the present invention two；
Fig. 3 is the structured flowchart of the embodiment of the present invention three.
In accompanying drawing：1st, electric energy meter；11st, metering units；2nd, downlink communication module；21st, long-distance meter-reading system bus（That is M-
BUS buses）；22nd, WIFI units；23rd, micropower radio-cell；3rd, uplink communication module；31st, PLC unit；32nd, GPRS units；
33rd, fiber unit；34th, RS485 buses；12nd, water meter；13rd, gas meter；14th, hotlist；15th, concentrator；16th, main website.
Embodiment
Carried out below in conjunction with the accompanying drawings with the specific embodiment electric energy meter copied available for multilist collection a kind of to the present invention and system detailed
Explanation.
Embodiment one
As shown in Figure 1 can be used for the electric energy meter that multilist collection is copied, and is electrically connected with other Household metering tables in addition to the electric energy meter 1
Connect, wherein these Household metering tables include water meter 12, gas meter 13 and hotlist 14.Specifically, electric energy meter 1 includes：
Downlink communication module 2, is connected with water meter 12 and/or gas meter 13 and/or hotlist 14, to obtain water meter 12 and/or gas meter
13 and/or the continuous data of hotlist 14；
Uplink communication module 3, the continuous data downlink communication module 2 to be obtained is sent to concentrator 15 or main website 16；
Administrative unit 4, is arranged between downlink communication module 2 and uplink communication module 3, to downlink communication module 2 with it is up
The transmission of information between communication module 3.
Specifically, in above-mentioned electric energy meter 1, there is provided downlink communication module 2 and uplink communication module 3, uplink communication
Module 3 is mainly used in carrying out data interaction with concentrator 15 or main website 16, and downlink communication module 2 is mainly used in water meter 12, gas
The continuous data of table 13, hotlist 14, then continuous data is transferred to uplink communication module 3 through administrative unit 4, finally by up
Continuous data is uploaded to concentrator 15 or main website 16 by communication module 3, realizes that multilist collection is copied with this.
For further, metering units 11 are also set up in electric energy meter 1, to obtain electric energy measurement data.The metering units
11 are connected with uplink communication module 3 by administrative unit 4, and the electric energy measurement data of acquisition is transferred to by administrative unit 4
Uplink communication module 3, and cluster or main website 16 are transferred to by uplink communication module 3.
For further, downlink communication module 2 by wired or wireless mode respectively with water meter 12 and/or gas meter 13
And/or hotlist 14 is connected, to obtain the continuous data of water meter 12 and/or the continuous data of gas meter 13 and/or the continuous data of hotlist 14.
In addition, wireless communication module is also connected with uplink communication module 3, these continuous datas are transferred into uplink communication module 3
In.In actual applications, the downlink communication module 2 can compatibility M-BUS buses 21, WIFI units 22 and micropower it is wirelessly single
First 23 grade communication units, i.e. downlink communication module 2 can pass through M-BUS（Symphonic mbus, long-distance meter-reading system）Or
WIFI（WLAN）Or micropower is wireless etc. that mode is interacted with water meter 12, gas meter 13 and hotlist 14.In practical application
In, it is typically to carry out multilist collection in units of family to copy, so a variety of meterings such as water meter 12, gas meter 13, hotlist 14 and electric energy meter 1
The distance of table can't be spaced too remote, thus can form a WLAN between this multiple table, with realize water meter 12,
Interacting between gas meter 13, hotlist 14 and electric energy meter 1.In addition, being wirelessly attached, overall circuit cloth is simplified
Office, is easy to the setting of user and has saved cost.
For further, uplink communication module 3 can compatibility PLC（Power Line Communication, broad sense electric power
Line）Unit 31, GPRS units 32, fiber unit 33 or RS485 buses 34 etc. are between communication unit, with concentrator 15 or main website 16
The interaction of data is carried out by way of wirelessly or non-wirelessly, i.e., by broad sense power line and/or GPRS and/or light and/or
One or more in R485 buses, are connected with concentrator or main website.In actual applications, electric energy meter 1 is by its in LAN
The data of its ammeter by downlink communication module 2 obtain after, it is necessary to be transferred to cluster 15 or main website by uplink communication module 3
16, and due to there may be a certain distance between cluster 15 or main website 16 and electric energy meter 1, so selection passes through GPRS or light
The communication mode of the suitable long-distance transmissions such as fibre carries out the transmission of signal, to ensure the reliability of data.
Embodiment two
The present embodiment provides a kind of system copied available for multilist collection, as shown in Fig. 2 the system includes the electric energy of embodiment one
Be all connected with table 1, concentrator 15 and main website 16, the downlink communication module 2 of each electric energy meter 1 water meter 12, a gas meter 13 and
One hotlist 14, and each the uplink communication module 3 of electric energy meter 1 is connected with concentrator 15, and the four table data collected are passed
It is handed to concentrator 15.The continuous data that all ammeters being collected into transmission comes is being transferred to main website 16, main website 16 by concentrator 15
These data are uniformly processed.
Embodiment three
The present embodiment provides a kind of system copied available for multilist collection, as shown in figure 3, the system includes the electric energy of embodiment one
A water meter 12, a gas meter 13 and a hotlist 14 are all connected with table 1 and main website 16, the downlink communication module 2 of each electric energy meter 1,
And the uplink communication module 3 of each electric energy meter 1 is connected with main website 16, by the four table data transfers collected to main website 16,
These data are uniformly processed after receiving the data of electric energy meter upload for main website 16.For a person skilled in the art,
Read after described above, various changes and modifications undoubtedly will be evident.Therefore, appended claims should be regarded as and cover
The true intention of the present invention and whole variations and modifications of scope.Any and all scope of equal value in Claims scope
With content, all it is considered as still belonging to the intent and scope of the invention.
Claims (9)
1. a kind of electric energy meter copied available for multilist collection, including downlink communication module（2）With uplink communication module（3）, its feature
It is,
The downlink communication module（2）With uplink communication module（3）Between administrative unit is set（4）, to realize downlink communication mould
Block（2）With uplink communication module（3）Between information transfer；
Wherein, the downlink communication module（2）Electrically connected with other Household metering tables, the system to obtain other Household metering tables
Count；Described uplink communication module（3）With concentrator（15）Or main website（16）Connection, the statistics to be transmitted
To the concentrator（15）Or main website（16）.
2. the electric energy meter according to claim 1 copied available for multilist collection, it is characterised in that other Household metering tables
Including water meter（12）, gas meter（13）And hotlist（14）.
3. the electric energy meter according to claim 2 copied available for multilist collection, it is characterised in that the downlink communication module
（2）By the one or more in long-distance meter-reading system bus, WIFI units, micropower radio-cell, with the water meter（12）、
Gas meter（13）Or hotlist（14）Connection.
4. the electric energy meter according to claim 1 copied available for multilist collection, it is characterised in that the electric energy meter（1）In also
Set and administrative unit（4）The metering units being connected（11）.
5. the electric energy meter according to claim 1 copied available for multilist collection, it is characterised in that the uplink communication module
（3）By the one or more in broad sense power line, general packet radio service technology, light, R485 buses, concentrated with described
Device（15）Or main website（16）Connection.
6. a kind of system copied available for multilist collection, it is characterised in that the system includes any one of the claims 1-5 institute
The electric energy meter stated（1）, concentrator（15）And main website（16）, each electric energy meter（1）Downlink communication module（2）Under be at least connected with
A kind of Household metering table, and each electric energy meter（1）Uplink communication module（3）And concentrator（15）Connection, will be collected
Data transfer to concentrator（15）；Concentrator（15）By the next data transfer of electric energy meter transmission to main website（16）, main website（16）
These data are uniformly processed.
7. system as claimed in claim 6, it is characterised in that the Household metering table includes water meter（12）, gas meter（13）With
Hotlist（14）.
8. a kind of system copied available for multilist collection, it is characterised in that the system includes any one of the claims 1-5 institute
The electric energy meter stated（1）And main website（16）, each electric energy meter（1）Downlink communication module（2）Under be at least connected with a kind of family and used tricks
Scale, and each electric energy meter（1）Uplink communication module（3）And main website（16）Connection, by the data transfer collected extremely
Main website（16）；Main website（16）Receive electric energy meter（1）These data are uniformly processed after the data of upload.
9. system as claimed in claim 8, it is characterised in that the Household metering table includes water meter（12）, gas meter（13）With
Hotlist（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225412.9A CN107230340A (en) | 2017-04-07 | 2017-04-07 | A kind of electric energy meter copied available for multilist collection and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225412.9A CN107230340A (en) | 2017-04-07 | 2017-04-07 | A kind of electric energy meter copied available for multilist collection and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107230340A true CN107230340A (en) | 2017-10-03 |
Family
ID=59934384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710225412.9A Pending CN107230340A (en) | 2017-04-07 | 2017-04-07 | A kind of electric energy meter copied available for multilist collection and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107230340A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010296A (en) * | 2017-12-08 | 2018-05-08 | 福建上润精密仪器有限公司 | A kind of low-power consumption Internet of Things kilowatt meter reading-out system |
| CN108648436A (en) * | 2018-07-23 | 2018-10-12 | 吉林同益光电科技有限公司 | A kind of multiple-in-one collector and collecting method |
| CN108694780A (en) * | 2018-05-18 | 2018-10-23 | 吉林同益光电科技有限公司 | A kind of display equipment and display methods |
| CN109214826A (en) * | 2018-09-18 | 2019-01-15 | 中国电力科学研究院有限公司 | A kind of measuring equipment pre-payment abnormality judgment method and system |
| CN109326111A (en) * | 2018-10-30 | 2019-02-12 | 国网北京市电力公司 | The method and system that multilist collection is copied |
| CN109360397A (en) * | 2018-10-30 | 2019-02-19 | 国网北京市电力公司 | The system that method, data dispatching method and the multilist collection that multilist collection is copied are copied |
| CN109697842A (en) * | 2018-11-22 | 2019-04-30 | 国网安徽省电力有限公司电力科学研究院 | Continue the extremely long-range processing method of more days no datas based on intellectual water meter |
| CN110796841A (en) * | 2019-10-22 | 2020-02-14 | 深圳供电局有限公司 | Multi-meter centralized reading method and device, computer equipment and medium |
| CN110853329A (en) * | 2019-11-21 | 2020-02-28 | 国网山东省电力公司电力科学研究院 | Data acquisition method of multi-meter-in-one centralized meter reading system |
| CN114236207A (en) * | 2022-01-13 | 2022-03-25 | 深圳市千宝通通科技有限公司 | Meter box |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010296A (en) * | 2017-12-08 | 2018-05-08 | 福建上润精密仪器有限公司 | A kind of low-power consumption Internet of Things kilowatt meter reading-out system |
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| CN109326111A (en) * | 2018-10-30 | 2019-02-12 | 国网北京市电力公司 | The method and system that multilist collection is copied |
| CN109360397A (en) * | 2018-10-30 | 2019-02-19 | 国网北京市电力公司 | The system that method, data dispatching method and the multilist collection that multilist collection is copied are copied |
| CN109697842A (en) * | 2018-11-22 | 2019-04-30 | 国网安徽省电力有限公司电力科学研究院 | Continue the extremely long-range processing method of more days no datas based on intellectual water meter |
| CN110796841A (en) * | 2019-10-22 | 2020-02-14 | 深圳供电局有限公司 | Multi-meter centralized reading method and device, computer equipment and medium |
| CN110853329A (en) * | 2019-11-21 | 2020-02-28 | 国网山东省电力公司电力科学研究院 | Data acquisition method of multi-meter-in-one centralized meter reading system |
| CN114236207A (en) * | 2022-01-13 | 2022-03-25 | 深圳市千宝通通科技有限公司 | Meter box |
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