CN204990657U - Remote meter reading system - Google Patents

Remote meter reading system Download PDF

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Publication number
CN204990657U
CN204990657U CN201520467505.9U CN201520467505U CN204990657U CN 204990657 U CN204990657 U CN 204990657U CN 201520467505 U CN201520467505 U CN 201520467505U CN 204990657 U CN204990657 U CN 204990657U
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CN
China
Prior art keywords
meter
electric
electric power
building
communication
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Expired - Fee Related
Application number
CN201520467505.9U
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Chinese (zh)
Inventor
王强
李玲玲
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CHENGDU KAISHENG TECHNOLOGY Co Ltd
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CHENGDU KAISHENG TECHNOLOGY Co Ltd
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Priority to CN201520467505.9U priority Critical patent/CN204990657U/en
Application granted granted Critical
Publication of CN204990657U publication Critical patent/CN204990657U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

This remote meter reading system is including electric power data acquisition facility, CDMA network and the electric power data center that checks meter, electric power data acquisition facility includes ordinary ammeter and smart electric meter, and ordinary ammeter sets up a building collector in every building, and each ordinary ammeter passes through RS485 bus connection to building concentrator, every building collector adopts wireless mode through the free frequency channel of measuring, perhaps connects building concentrator and district concentrator communication through the power line carrier mode, each smart electric meter adopts free wireless mode of measuring the frequency channel to be connected with district concentrator communication, the district concentrator contains CDMA communication module, checks meter the data center communication through CDMA network and utilities electric co. And is connected. This system can provide in time for electric power management Department, accurate, audio -visual electric quantity usage data and statistics situation, has strengthened control and managerial ability that electric power management Department used to the electric quantity.

Description

Long-distance meter-reading system
Technical field
The utility model relates to technology of Internet of things field, is specifically related to the long-distance meter-reading system utilizing technology of Internet of things and cdma network.
Background technology
Electricity meter-reading is an important step in modern power systems, and mostly traditional electricity meter-reading is to copy fetch data by being manually timed to scene, not only can the human resources of at substantial, and all there is many weak points on the time performance, accuracy of data.
Also occurred that some electric power remote meter readings based on wireless technologys such as GPRS are applied at Field of Electricity Meter Reading System at present, the power consumer solving some areas is checked meter demand.But along with develop rapidly and the Electric Power Enterprise Information acceleration of China's economy, the covering userbase demand of power remote meter reading system presents the trend increased fast; Meanwhile, along with electric power enterprise is to the deep propelling of " time-shared charge " strategy of user, electric power enterprise requires larger to the data volume of amr message, there has also been higher requirement to the management function of system.In addition, because meter reading data information has certain privacy and security requirement, electric power enterprise and user also improve further to the requirement that is secret and secure context of kilowatt meter reading-out system in data.The schemes such as traditional GPRS electric power remote meter reading have been not suitable with the needs of remote meter reading application development gradually, and the demand of electric power enterprise to more efficient electric power remote meter reading Internet of Things solution is very urgent.
Utility model content
The electric power remote meter reading Internet of things system being to provide a kind of CDMA3G network of the present utility model, can provide in time for power department, accurately, electricity usage data and statistics situation intuitively, realize the real-time transmission of electric power acquisition data and the seamless link of information network, strengthen the monitor and managment ability that power department uses electric power resource.
This long-distance meter-reading system, mainly comprises 3 elements: electric power data acquisition equipment, cdma network and electricity meter-reading data center; Electric power data acquisition equipment comprises ordinary electric meter and intelligent electric meter, and ordinary electric meter arranges a building collector in every building, and each ordinary electric meter is connected to House collector by RS485 bus; Every platform building collector adopts wireless mode by free metering frequency range, or is connected with community concentrator communication by House collector by power line carrier mode; Each intelligent electric meter adopts the wireless mode of free metering frequency range to be connected with community concentrator communication; Community concentrator comprises cdma communication module, is connected with the center communication of Utilities Electric Co.'s meter reading data by cdma network.
Every platform building collector is provided with 32 ordinary electric meter access ports.
Industrial large consumer ammeter is provided with cdma communication module, is connected with the center communication of Utilities Electric Co.'s meter reading data by cdma network.
The remote power that electric power sensing measurement technology and ICT (information and communication technology), the computer technology etc. in modern times combine to be checked meter Internet of things system, can provide in time for electric administrative department, accurately, electricity usage data and statistics situation intuitively, strengthen the monitor and managment ability that electric administrative department uses electricity.The appearance of CDMA technology and the application of technology of Internet of things deeply, are transmitted for long-range data and are provided new effective way.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
-cdma wireless communication network possesses that power system capacity is large, transfer rate is high, good confidentiality, the advantage such as low in energy consumption, is applicable to very much the Internet of Things application of the industries such as electric power.At present, China Telecommunication Stock Co., Ltd (hereinafter referred to as China Telecom) constructs and covers CDMA standard 3G network widely, become ripe, stable, communication network, particularly Ev-Do reliably high speed wireless data business and possess very strong industry competition advantage.Based on CDMA3G network struction electric power remote meter reading Internet of Things solution, can be the communications means that electric system provides simple, efficient, safe, be applicable to very much power department to be used for the electric power data of civilian and industrial ammeter collection to be delivered to ground, city, provincial center of the centralized monitor in real time, to realize unified monitoring to power information and distributed management.
As shown in Figure 1, the electric power remote meter reading Internet of things system based on CDMA3G network mainly comprises 3 elements: electric power data acquisition equipment (sensing layer), CDMA transmission network (network layer), electricity meter-reading data center (application platform layer).
Sensing layer part is made up of electric power data acquisition equipment.The ammeter that current resident uses is primarily of ordinary electric meter and intelligent electric meter composition.Grown-ups and children district many uses ordinary electric meter, can arrange a building collector in every building for ordinary electric meter, the ordinary electric meter of every family is connected to House collector by RS485 bus, and the electric power data of collection is sent to building collector.Collecting the on-the-spot ammeter data of user can be realized, accessible at most 32 ordinary electric meter of every platform building collector by building collector.Every platform building collector is by freely measuring frequency range (470 ~ 510MHz, coverage is 1 ~ 2km) adopt wireless mode, also by power line carrier (powerlinecarrier, PLC) mode, the electric power data of House collector is uploaded to community concentrator.Due to PLC mode Shortcomings in the stability of checking meter and accuracy, therefore the wireless mode of free metering frequency range that adopts transmits more at present.And for adopting the newly-built community of intelligent electric meter, the intelligent electric meter of every family can adopt the wireless mode of free metering frequency range that electricity consumption data are transferred to community concentrator.Community concentrator comprises cdma communication module, and use the unified UIM card of China Telecom's Internet of Things to carry out registering, managing and authentication, the user power utilization data each House collector can collected up are sent to Utilities Electric Co.'s meter reading data center by cdma network.The number of community concentrator can carry out adjusting and setting according to neighbours living scale, and general Set scale is 1 corresponding 200 left and right, family resident family of community concentrator.For industrial large consumer ammeter, ammeter can be connected cdma communication module and directly to communicate with cdma network transferring electric power data.
Network layer portion covers cdma20001x/Ev-Do network widely by China Telecom and forms, the IP address that Utilities Electric Co.'s meter reading data central server configuration is fixing, community concentrator relies on the IP-based data packet communications network of CDMA to complete the communication function with Utilities Electric Co.'s meter reading data center.Electricity meter-reading data are first transferred to the PDSN(packetdataservingnode of cdma network by community concentrator by cdma communication module) server, then PDSN server sends data to meter reading data center, and whole data transmission procedure is completed by transparent transmission.PDSN server uses VPN to be connected with the data communication at meter reading data center by public network, and this mode cost is lower, security is high, and speed and service quality ensure all to some extent.Application platform layer segment is then made up of Utilities Electric Co.'s meter reading data center.Data center server receive cdma network transmission come data carry out certification after, charging, verification, storage, analysis, management etc. are carried out by system software platform, and alarm can be carried out to abnormal conditions, the electricity usage situation of user is monitored in real time, to ensure the legitimate interests of Utilities Electric Co. simultaneously.
Electric power remote meter reading Internet of things system based on CDMA3G network compares other long-distance meter-reading systems, possesses following advantage.
1, message transmission rate is high: CDMA3G network transmission speed can reach 3.1Mbit/s in theory, current actual data transfer rate is on average at about 600kbit/s, meet the requirement of native system to message transmission rate (>10kbit/s) completely, the high data rate under strategies such as " time-shared charges " is required also can meet completely.
2, real-time, data delay is little: cdma system has real-time online characteristic, and transfer rate is high, system equipment fast response time, can meet system well to the real-time of data acquisition and sudden requirement, also can good support to big data quantity demands such as " time-shared charges ".Simultaneously because the cdma communication resume module time is short, cdma network time delay is low, also can meet time delay under the data-transmission mode such as timing transmission, note triggering within the scope of system requirements.
3, system ovelay range is wide, construction cost is low: CDMA3G network coverage is wide, can realize the control and management of national most areas to electric power remote meter reading.And owing to adopting cdma wireless public network platform, front-end investment is few, and later stage upgrade maintenance cost is low.
4, security is high: because whole communication process have employed the technology such as CDMA and VPN, strong security, can available protecting electric power data privacy.
5, communication cost is low: adopt monthly payment flow package charging way, operation cost is low.

Claims (3)

1. long-distance meter-reading system, is characterized in that: mainly comprise 3 elements: electric power data acquisition equipment, cdma network and electricity meter-reading data center; Electric power data acquisition equipment comprises ordinary electric meter and intelligent electric meter, and ordinary electric meter arranges a building collector in every building, and each ordinary electric meter is connected to House collector by RS485 bus; Every platform building collector adopts wireless mode by free metering frequency range, or is connected with community concentrator communication by House collector by power line carrier mode; Each intelligent electric meter adopts the wireless mode of free metering frequency range to be connected with community concentrator communication; Community concentrator comprises cdma communication module, is connected with the center communication of Utilities Electric Co.'s meter reading data by cdma network.
2. system according to claim 1, is characterized in that: every platform building collector is provided with 32 ordinary electric meter access ports.
3. system according to claim 1, is characterized in that: industrial large consumer ammeter is provided with cdma communication module, is connected with the center communication of Utilities Electric Co.'s meter reading data by cdma network.
CN201520467505.9U 2015-07-02 2015-07-02 Remote meter reading system Expired - Fee Related CN204990657U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201520467505.9U CN204990657U (en) 2015-07-02 2015-07-02 Remote meter reading system

Publications (1)

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CN204990657U true CN204990657U (en) 2016-01-20

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106162583A (en) * 2016-09-07 2016-11-23 深圳市中兴物联科技股份有限公司 A kind of kilowatt meter reading-out system and processing method thereof
CN106530654A (en) * 2016-11-04 2017-03-22 国网山东省电力公司日照供电公司 Electric remote meter reading system
CN107733999A (en) * 2017-09-22 2018-02-23 广东雅达电子股份有限公司 A kind of timesharing response communication modes of fire resistant doorsets monitoring module
CN109144547A (en) * 2018-08-20 2019-01-04 贵州电网有限责任公司 A kind of electric energy meter legality measurement program and non-legal system function program separation method
CN109962813A (en) * 2019-03-22 2019-07-02 西安电子科技大学 A kind of network structure generation method for network structure secret protection

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106162583A (en) * 2016-09-07 2016-11-23 深圳市中兴物联科技股份有限公司 A kind of kilowatt meter reading-out system and processing method thereof
CN106530654A (en) * 2016-11-04 2017-03-22 国网山东省电力公司日照供电公司 Electric remote meter reading system
CN107733999A (en) * 2017-09-22 2018-02-23 广东雅达电子股份有限公司 A kind of timesharing response communication modes of fire resistant doorsets monitoring module
CN109144547A (en) * 2018-08-20 2019-01-04 贵州电网有限责任公司 A kind of electric energy meter legality measurement program and non-legal system function program separation method
CN109962813A (en) * 2019-03-22 2019-07-02 西安电子科技大学 A kind of network structure generation method for network structure secret protection

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160120

Termination date: 20160702