CN110289686A - A kind of bus molding block compound networking intelligent metering case - Google Patents

A kind of bus molding block compound networking intelligent metering case Download PDF

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Publication number
CN110289686A
CN110289686A CN201910536007.8A CN201910536007A CN110289686A CN 110289686 A CN110289686 A CN 110289686A CN 201910536007 A CN201910536007 A CN 201910536007A CN 110289686 A CN110289686 A CN 110289686A
Authority
CN
China
Prior art keywords
data
bus
molding block
intelligent metering
block compound
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
CN201910536007.8A
Other languages
Chinese (zh)
Inventor
吴博文
吴跃良
张峰
王邑斌
李峰
陈华伟
徐迪
谢灵儿
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.)
Suzhou Meisheng Electronic Technology Co Ltd
Original Assignee
Suzhou Meisheng Electronic Technology 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 Suzhou Meisheng Electronic Technology Co Ltd filed Critical Suzhou Meisheng Electronic Technology Co Ltd
Priority to CN201910536007.8A priority Critical patent/CN110289686A/en
Publication of CN110289686A publication Critical patent/CN110289686A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/46Boxes; Parts thereof or accessories therefor
    • H02B1/48Mounting of devices therein
    • H02J13/0062
    • 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
    • Y04S40/124Systems 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 wired telecommunication networks or data transmission busses
    • 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
    • Y04S40/126Systems 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

Abstract

The invention discloses a kind of bus molding block compound networking intelligent metering casees, it include: cabinet, inside is equipped with Data Computation Unit, storage unit and functional module, pass through unified interface and protocol definition, and it increases income, realize the accessible connection with functional module, each functional module uses the relevant calculation ability of Data Computation Unit and the storage resource of storage unit according to unified interface and agreement;Bus, including power bus and data/address bus, the data/address bus are correspondingly connected with for Data Computation Unit, a variety of data-interfaces, storage unit and functional module, and data processing unit is relied on to carry out safe encryption communication.Through the above way, bus molding block compound networking intelligent metering case of the present invention, can instruct the exploitation and installation of new module, promote compatibility, and the edge calculations in batch meter are realized by Data Computation Unit, realize the real-time and agility of data processing.

Description

A kind of bus molding block compound networking intelligent metering case
Technical field
The present invention relates to intelligent metering box technology fields, more particularly to a kind of bus molding block compound networking intelligent metering Case.
Background technique
Batch meter is the cabinet for installing gauge table, using than wide.With the development of science and technology can be in batch meter Multiple sensors are installed, the monitoring of box house parameter and equipment electricity consumption situation is carried out, and collected information is sent to clothes Business device, is managed collectively by server, greatly improves the intelligent level of administration of power networks.
In actual use, due to ununified specification, each functional module is incompatible, increases or exchange new module When, it is difficult to it is connected with the existing equipment in batch meter, entirety is needed to be replaced, it is at high cost, and also the quantity of batch meter is more, adopts The data flow of collection is big, be easy to cause network traffic congestion and servers go down, affects normal monitoring.
In addition, widely distributed batch meter consumes a large amount of public electricity-using, operation cost is high and cannot supplement, and needs It improves.
Summary of the invention
It is convenient new the invention mainly solves the technical problem of providing a kind of bus molding block compound networking intelligent metering case The installation of module promotes the convenience of new product development, realizes edge calculations, promotes monitoring stability.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of bus molding block compound is provided Networking intelligent metering case, comprising: cabinet, inside are equipped with Data Computation Unit, storage unit and functional module, the data meter Calculating unit setting, there are many data-interfaces, by unified interface and protocol definition, and increase income, and realize with functional module without barrier Hinder connection, each functional module uses the relevant calculation ability and storage unit of Data Computation Unit according to unified interface and agreement Storage resource;
Bus, including power bus and data/address bus, the power bus include hard bus and power control unit, the data Bus is correspondingly connected with for Data Computation Unit, a variety of data-interfaces, storage unit and functional module, and relies on data processing Unit carries out safe encryption communication.
In a preferred embodiment of the present invention, a variety of data-interfaces include but is not limited to serial ports, USB, bluetooth, NB, lora, short-distance wireless, 485, MBUS and RJ45.
In a preferred embodiment of the present invention, it is provided with partition in the cabinet and inside is divided into basement, metering Room and outlet room, are provided on the cabinet and corresponding first door-plate of basement and corresponding with measuring room and outlet room Two door-plates are provided with Internet of Things intelligent lock on first door-plate and the second door-plate, are provided in the cabinet and first Plate and the second door-plate corresponding microswitch are provided with inlet wire leading truck and master switch in the basement.
In a preferred embodiment of the present invention, the functional module includes being located to measure indoor gauge table and its fixation Seat, the gauge table is plugged in fixing seat, is provided with when the first short block carries out gauge table replacement in the fixing seat Circuit communication, be provided in the outlet room with the one-to-one breaker of gauge table, be provided with and open circuit in the outlet room The one-to-one modular cartridge of device, the breaker are arranged in modular cartridge, be provided in the modular cartridge the second short block into Circuit communication when row breaker is replaced.
In a preferred embodiment of the present invention, it is provided with drop in leaf in the measuring room and measuring room is divided into mistress And the front of drop in leaf is arranged in interior room, the fixing seat, the hard bus is arranged in the back side of drop in leaf and to measure Table power supply, the hard bus surface are wrapped up using insulation channel plate, including the Data Computation Unit and storage unit setting Room.
In a preferred embodiment of the present invention, touch screen, touch screen are provided on first door-plate or the second door-plate It is attached, realizes user to the inquiry of power information and handles with Data Computation Unit, be used for after staff's authentication Batch meter operating condition and abnormal log are inquired, the parameter setting and assist trouble investigation of batch meter is realized, is provided when standby wide Accuse carousel, line outage and arrearage notification information.
In a preferred embodiment of the present invention, the functional module includes temperature detecting module, humidity detecting module, cigarette Feel detection module, current detection module and voltage detection module, the analysis of each detection data is carried out using Data Computation Unit, solves Certainly edge calculations problem carries out accident prevention alarm, by unit records real-time detector data, history of forming data and thing Therefore information records.
In a preferred embodiment of the present invention, the 5V with power control unit linearly connected is provided in the batch meter Power interface and 12V power interface, the 5V power interface and 12V power interface use the power interface of USB Type.
In a preferred embodiment of the present invention, the functional module includes network communication module, assigns each cabinet only One ID.
In a preferred embodiment of the present invention, the storage unit includes storing for recording the flight data recorder of critical data Module, the flight data recorder memory module in batch meter mutually back up.
The beneficial effects of the present invention are: a kind of bus molding block compound networking intelligent metering case that the present invention points out, in electricity On the basis of power metering, by designing unified interface and protocol definition, and increases income, instruct the exploitation and installation of new module, mention Compatibility is risen, the convenience of new module exploitation is promoted, reduces cost, and the side in batch meter is realized by Data Computation Unit Edge calculates, and realizes the real-time and agility of data processing, promotes the stability of monitoring work, reduction and compressed data stream, drop Low server and line work pressure carry out the encryption of data by Data Computation Unit, promote the safety of data transmission, and Function Extension is carried out by touch screen, operation cost is made up using ad revenue, realizes benign operation.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing, in which:
Fig. 1 is a kind of structural schematic diagram of bus molding block compound networking one preferred embodiment of intelligent metering case of the present invention;
Fig. 2 is the structural schematic diagram after the first door-plate and the second door-plate are opened in Fig. 1;
Fig. 3 is the structural schematic diagram in Fig. 2 after the disassembly of the second door-plate;
Fig. 4 is the structural schematic diagram in Fig. 3 after drop in leaf opening.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
Fig. 1 ~ Fig. 4 is please referred to, the embodiment of the present invention includes:
Such as a kind of Fig. 1 ~ bus molding block compound networking intelligent metering case shown in Fig. 4, comprising:
Cabinet 1, inside are equipped with Data Computation Unit 16, storage unit and functional module, and the Data Computation Unit 16 is arranged There are many data-interfaces, by unified interface and protocol definition, and increase income, and realize the accessible connection with functional module, institute Stating a variety of data-interfaces includes but is not limited to serial ports, USB, bluetooth, NB, lora, short-distance wireless, 485, MBUS and RJ45, is applicable in It is in extensive range, instruct the exploitation and installation of new module, promote compatibility, promote the convenience of new module exploitation, thus reduce at This, each functional module uses the relevant calculation ability and storage unit of Data Computation Unit 16 according to unified interface and agreement Storage resource, anyone unit can all develop corresponding module, and seamless access greatly facilitates the extension of metering box function;
The storage unit includes the flight data recorder memory module for recording critical data, the flight data recorder storage in neighbouring batch meter Module mutually backs up, and critical data is stored in flight data recorder memory module, is not done by factors such as fire, water logging and external force destructions It disturbs, along with the backup of flight data recorder memory module in neighbouring batch meter, whens abnormal conditions is convenient for crash analysis.
Bus, including power bus and data/address bus, the power bus include hard bus 15 and power control unit, benefit It is the power supply of each functional module with power control unit, the 5V with power control unit linearly connected is provided in the batch meter 1 Power interface and 12V power interface 9, the 5V power interface and 12V power interface 9, can be using the power interface of USB Type Mains lighting supply, maintenance convenience are inserted into when work.
Hard bus 15, which prevents conventional metered dose case, need to arrange many and diverse problem of flexible cord, be conducive to promote load capacity, improve line Road safety and reliability still keeps clearly wiring in later period O&M.15 surface of hard bus utilizes insulation channel plate It is wrapped up, avoids problem of leaking electricity and get an electric shock, promote safety in utilization.
The data/address bus for Data Computation Unit 16, a variety of data-interfaces, storage unit and functional module correspondence Connection, and data processing unit 16 is relied on to carry out safe encryption communication.The functional module includes network communication module, is assigned every A unique ID of cabinet, it is convenient to be communicated with server, it is convenient for asset management.
It is provided with the partition 6 of T shape in the cabinet 1 and inside is divided into basement 11, measuring room 13 and outlet room 12, institute It states and is provided with inlet wire leading truck and master switch 13 in basement 11, it is mutually isolated, it is fixed to meet state's network planning.
First door-plate 3 corresponding with basement 11 and right with measuring room 13 and outlet room 12 is provided on the cabinet 1 Internet of Things intelligent lock 4, Internet of Things intelligent lock 4 are provided on the second door-plate 2 answered, first door-plate 3 and the second door-plate 2 Identity logs need to be carried out by contact RFID card, authentication be carried out using recognition of face, if it can not carry out recognition of face Identifying code is sent by server and carries out authentication, and authentication can open corresponding first according to personnel's permission after passing through Plate 3 or the second door-plate 2 promote safety in utilization.It is provided in the cabinet 1 corresponding with the first door-plate 3 and the second door-plate 2 Microswitch judges the unlatching and closed situation of the first door-plate 3 and the second door-plate 2, avoids the case where not shutting, promotes anti-theft Energy.
As shown in figure 3, the functional module includes gauge table 11 and its fixing seat 10 in measuring room 13, the meter Scale 11 is plugged in fixing seat 10, interference fit, stable structure, and the progress of the first short block is provided in the fixing seat 10 Circuit communication when gauge table 11 is replaced, user, which does not have a power failure, changes table, and increases remote signalling state at the first short block, remembers in real time Record short block service condition.
Be provided in the outlet room 12 with the one-to-one breaker 7 of gauge table 11, be provided in the outlet room 12 With the one-to-one modular cartridge 8 of breaker 7, the breaker 7 is arranged in modular cartridge 8, is equipped with temperature sensing in modular cartridge 8 Device and current transformer carry out modularization monitoring.It is provided with the second short block in the modular cartridge 8 and carries out the replacement of breaker 7 When circuit communication, realize that user does not have a power failure and replaces breaker and current transformer, and increase remote signalling state at modular cartridge 8, Record short block service condition in real time.
It is hingedly provided with drop in leaf 14 in the measuring room 13 and divides measuring room 13 for mistress and interior room, the fixation The front of drop in leaf 14 is arranged in seat 10, so that gauge table 11 is located in mistress, the hard bus 15 is arranged in drop in leaf 14 back side simultaneously powers for gauge table 11, and the Data Computation Unit 16 and storage unit are arranged in interior room, and protectiveness is good.
The functional module includes temperature detecting module, humidity detecting module, cigarette sense detection module 12, current detection module And voltage detection module, the analysis of each detection data is carried out using Data Computation Unit 16, solves the problems, such as edge calculations, carries out thing Therefore prevention alarm, by unit records real-time detector data, history of forming data and accident information record can also be installed Three-phase mutual inductor and zero sequence transformer, for detecting three-phase ABC and zero-sequence current.
Specifically, carrying out each spot temperature in batch meter, the electric current of each road branch and load characteristic by functional module Monitoring, obtains various monitoring data, facilitates data processing unit 16 that load curve is made, and carries out electrical energy consumption analysis and supply voltage Service condition monitoring, recording equipment operation, failure and stop and start electricity consumption situation pass through the inspection of environment temperature, humidity in batch meter It surveys, and detects discovery fire alarm in time using cigarette sense, the data of measurement can recorde, to inquire real time data and historical data, Accident information record can also be carried out, convenient for analyzing and tracing.
Data processing unit 16 can solve edge calculations problem by the record of various data, carry out accident prevention announcement It is alert, including the analysis of branch electric leakage alarming, multiplexing electric abnormality, stealing prevention, user equipment exception and power supply unit exception etc., it improves Intelligent safety management is horizontal.
It is provided with touch screen 5 on first door-plate 3 or the second door-plate 2, touch screen 5 is connected with Data Computation Unit 16 It connects, realize user to the inquiry of power information and handles, when user clicks, electricity E precious, palm electric power and state's net store etc. can be used APP realizes the inquiry of power information and handles.
For inquiring batch meter operating condition and abnormal log after staff's authentication, realize that the parameter of batch meter is set It sets and is checked with assist trouble, advertisement carousel, line outage and arrearage notification information are provided when touch screen 5 is standby, increase advertisement and receive Enter.
In conclusion a kind of bus molding block compound networking intelligent metering case that the present invention points out, realizes and passes through module The standardization and convenience, good compatibility for carrying out Function Extension realize the monitoring of the edge calculations, various states in case and pre- It is alert, the stability and safety of data transmission are improved, and provide a kind of feasible business model to cut operating costs.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks Domain is included within the scope of the present invention.

Claims (10)

  1. The intelligent metering case 1. a kind of bus molding block compound is networked characterized by comprising
    Cabinet, inside are equipped with Data Computation Unit, storage unit and functional module, and there are many Data Computation Unit settings Data-interface by unified interface and protocol definition, and is increased income, and realizes the accessible connection with functional module, each function mould Root tuber uses the relevant calculation ability of Data Computation Unit and the storage resource of storage unit according to unified interface and agreement;
    Bus, including power bus and data/address bus, the power bus include hard bus and power control unit, the data Bus is correspondingly connected with for Data Computation Unit, a variety of data-interfaces, storage unit and functional module, and relies on data processing Unit carries out safe encryption communication.
  2. The intelligent metering case 2. bus molding block compound according to claim 1 is networked, which is characterized in that a variety of data Interface includes but is not limited to serial ports, USB, bluetooth, NB, lora, short-distance wireless, 485, MBUS and RJ45.
  3. The intelligent metering case 3. bus molding block compound according to claim 1 is networked, which is characterized in that set in the cabinet It is equipped with partition and inside is divided into basement, measuring room and outlet room, corresponding with basement first is provided on the cabinet Door-plate and the second door-plate corresponding with measuring room and outlet room are provided with Internet of Things intelligence on first door-plate and the second door-plate Can lockset, be provided with microswitch corresponding with the first door-plate and the second door-plate in the cabinet, be provided in the basement Inlet wire leading truck and master switch.
  4. The intelligent metering case 4. bus molding block compound according to claim 3 is networked, which is characterized in that the functional module It is plugged in fixing seat including being located at the indoor gauge table of metering and its fixing seat, the gauge table, is arranged in the fixing seat There is the circuit communication when progress gauge table replacement of the first short block, is provided in the outlet room one-to-one with gauge table Breaker is provided in the outlet room and is arranged in modular cartridge with the one-to-one modular cartridge of breaker, the breaker, institute State the circuit communication being provided with when the second short block carries out breaker replacement in modular cartridge.
  5. The intelligent metering case 5. bus molding block compound according to claim 4 is networked, which is characterized in that in the measuring room It is provided with drop in leaf and measuring room is divided into mistress and interior room, the front of drop in leaf is arranged in the fixing seat, described hard Bus is arranged in the back side of drop in leaf and powers for gauge table, and the hard bus surface is wrapped up using insulation channel plate, institute It states Data Computation Unit and storage unit is arranged in interior room.
  6. The intelligent metering case 6. bus molding block compound according to claim 3 is networked, which is characterized in that first door-plate Or second be provided with touch screen on door-plate, touch screen is attached with Data Computation Unit, realizes that user looks into power information It askes and handles, for inquiring batch meter operating condition and abnormal log after staff's authentication, realize the parameter of batch meter Setting and assist trouble investigation, provide advertisement carousel, line outage and arrearage notification information when standby.
  7. The intelligent metering case 7. bus molding block compound according to claim 1 is networked, which is characterized in that the functional module Including temperature detecting module, humidity detecting module, cigarette sense detection module, current detection module and voltage detection module, number is utilized The analysis that each detection data is carried out according to computing unit solves the problems, such as edge calculations, carries out accident prevention alarm, passes through storage unit Record real-time detector data, history of forming data and accident information record.
  8. The intelligent metering case 8. bus molding block compound according to claim 1 is networked, which is characterized in that in the batch meter It is provided with the 5V power interface and 12V power interface with power control unit linearly connected, the 5V power interface and 12V power supply Interface uses the power interface of USB Type.
  9. The intelligent metering case 9. bus molding block compound according to claim 1 is networked, which is characterized in that the functional module Including network communication module, assign each cabinet unique ID.
  10. The intelligent metering case 10. bus molding block compound according to claim 1 is networked, which is characterized in that the storage is single Member includes the flight data recorder memory module for recording critical data, and the flight data recorder memory module in neighbouring batch meter mutually backs up.
CN201910536007.8A 2019-06-20 2019-06-20 A kind of bus molding block compound networking intelligent metering case Pending CN110289686A (en)

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Application Number Priority Date Filing Date Title
CN201910536007.8A CN110289686A (en) 2019-06-20 2019-06-20 A kind of bus molding block compound networking intelligent metering case

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Application Number Priority Date Filing Date Title
CN201910536007.8A CN110289686A (en) 2019-06-20 2019-06-20 A kind of bus molding block compound networking intelligent metering case

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CN110289686A true CN110289686A (en) 2019-09-27

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Publication number Priority date Publication date Assignee Title
CN110780740A (en) * 2019-10-28 2020-02-11 广州供电局有限公司 Intelligent meter box and interaction method thereof

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EP2098827A1 (en) * 2008-03-04 2009-09-09 Alcatel Lucent Method of remote metering of energy
CN101561299A (en) * 2008-04-18 2009-10-21 湖北盛佳电器设备有限公司 Modularized metering device
CN201237614Y (en) * 2008-05-28 2009-05-13 陶齐雄 Modular anti-electricity theft multi-position low-voltage measurement case
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110780740A (en) * 2019-10-28 2020-02-11 广州供电局有限公司 Intelligent meter box and interaction method thereof

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Application publication date: 20190927