CN104243595A - IPv6 (Internet protocol version 6) based electricity information collection system and method - Google Patents
IPv6 (Internet protocol version 6) based electricity information collection system and method Download PDFInfo
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Abstract
The invention relates to an IPv6 (Internet protocol version 6) based electricity information collection system and method. The electricity information collection system comprises intelligent measuring devices, an intelligent collecting router and a main collection station. The main collection station is in end-to-end communication with the intelligent measuring devices through the intelligent collecting router; the intelligent measuring devices in a local network are in end-to-end communication. The method includes that 1), the intelligent collecting router collects control instructions issued by the main collection station; 2), the intelligent collecting router forwards the control instructions to the intelligent measuring devices; 3), an intelligent electric meter acquires the control instructions and collects data prior to returning to the intelligent collecting router; 4), the intelligent collector router selects route modes; 5), the intelligent collecting router collects and stores measurement data; 6), the intelligent collecting router forwards the measurement data to the main collecting station.
Description
Technical field
The present invention relates to a kind of power information acquisition system, specifically relate to a kind of power information acquisition system based on IPv6 and method thereof.
Background technology
Existing power information acquisition system, comprises main website, substation, intelligent electric meter and the communication network between them.Wherein substation mainly comprises collector and concentrator.In hierarchical system network, local network (LAN) connects intelligent electric meter and concentrator, and concentrator is then connected with main website by wide area network (WAN).Main website is undertaken concentrating deployment by province or a certain area usually, and main station system communicates with concentrator and obtains intelligent electric meter (acquisition tasks), the gatherer process of concentrator image data.In this process, the communication of concentrator uplink and downlink all needs the application program in concentrator to resolve the special stipulations of electric power.The common communication mode of wide area network is power optical fiber private network or 2G/3G public communication network.The common communication mode of local network is based on the bus communication of wired connection, low-voltage powerline carrier communication (PLC) and micropower radio frequency network etc.At present, typical power information acquisition system is adopt above-mentioned system mostly.
Because the communication module that the equipment such as intelligent electric meter, concentrator that different vendor produces adopts does not follow unified codes and standards in physical layer, data link layer etc., cause not possessing compatibility and interchangeability between module, cause the aspect costs such as device upgrade, maintenance and replacing high thus; Autgmentability is bad, and can not support user side distributed power generation and the new business such as energy storage, charging electric vehicle in current intelligent grid, Internet of Things that also cannot be ubiquitous with future combines together; Main station system is not to communication network supervision independent of capturing service, and function is weak, lacks good supervision in the management of intelligent element network state, network failure probing, plant asset management and network information security certification, supervision and flow control etc.
Summary of the invention
For the deficiencies in the prior art, a kind of intelligent acquisition router with the function such as route, exchange based on IPv6 newly of the present invention replaces existing concentrator.This equipment can build the standardized survey grid of the collection capacity end to end network that is supported IPv6 between intelligent electric meter (or other intelligent measurement equipment) and collection main website.Intelligent electric meter, sensor intelligence measurement equipment use there is the plug and play power communication module of IPv6 function, there is independently IP address, can be used as network element manage by network management unit.Gather main website part increase independent of the collection network administrative unit of capturing service, realize functions such as whole network equipment state, malfunction monitoring and Qos.Adopt the collection network of all-IP, not only achieve the end-to-end communication gathered between main station system and intelligent electric meter, and various smart machines in the home network also can communicate end to end, achieve the interoperability between local device.
The object of the invention is to adopt following technical proposals to realize:
Based on a power information acquisition system of IPv6, its improvements are, described system comprises intelligent measurement equipment, intelligent acquisition router, gathers main website;
Described collection main website comprises power information acquisition processing module and network management module;
Described intelligent measurement equipment comprises the intelligent measurement equipment with IPv6 plug and play power communication module, and it comprises intelligent electric meter, transducer and other user side metering device;
Described intelligent acquisition router comprises concentrator and router;
Described collection main website is by intelligent acquisition router and intelligent measurement equipment end-to-end communication;
Communicate end to end between intelligent measurement equipment in described local network.
Preferably, described power information acquisition processing module comprises automatic data acquisition unit, image data administrative unit and senior application;
Described network management module comprises collection network administrative unit.
Further, described collection network administrative unit, the wide area heterogeneous communications network of large-scale ip v6/IPv4 end points for forming network communication equipment carries out the control of equipment condition monitoring, QoS, flow control, Remote configuration, software version management and security authentication process.
Preferably, described systematic electricity communication module comprises independently IPv6 address, and this address is supported from network automatic acquisition and artificial appointment, for the local network between module and module and between module and intelligent acquisition router;
Described local network medium comprises power line carrier, broadband over power line, tower or latticed radio frequency network.
Preferably, described power communication module comprises route pattern and terminal pattern;
Under terminal pattern, power communication module, by intelligent acquisition router and the end to end communication gathering main website, only carries out sending and receiving process to the message of local node;
Under route pattern, power communication module is supported the packet sending and receiving of local node and is supported to forward the message of other node received.
6, a kind of power information acquisition system based on IPv6 as claimed in claim 1, it is characterized in that, described intelligent acquisition router, under router mode, completes the mutual conversion of IPv6 message in network layer and data link layer and forwards; Gathered and storage by the built-in power communication agreement cycle with under concentrator pattern.
The present invention is based on a kind of power information acquisition method based on IPv6 that another object provides, its improvements are, described method comprises
(1) intelligent acquisition router gathers main website and issues control command;
(2) intelligent acquisition router forwards control command to intelligent measurement equipment;
(3) intelligent electric meter obtains control command and is back to intelligent acquisition router after image data;
(4) intelligent acquisition router selects route pattern;
(5) intelligent acquisition router collects and stores metric data;
(6) intelligent acquisition router forwards metric data to collection main website.
Preferably, described step (1) comprises the transmission information gathering instruction of collection main website and is transmitted by wide area network, the control command that intelligent acquisition router is issued from Wide Area Network side joint.
Preferably, in described step (2), intelligent measurement equipment is the intelligent measurement equipment with IPv6 plug and play power communication module, it comprise intelligent electric meter, transducer and other use metering device.
Preferably, described step (2) comprises intelligent acquisition router the device identification of collection and control information is transmitted to intelligent measurement equipment by local network.
Preferably, described step (3) comprises intelligent measurement equipment receives the transmission of intelligent acquisition router device identification and control information by this power communication module, according to the image data that the descending protocol of checking meter pre-seted obtains, and return to intelligent acquisition router by local network.
Preferably, described step (4) comprises intelligent acquisition router and selects communication pattern, enters step (6) by router communication pattern; Step (5) is entered with concentrator communication pattern.
Preferably, under described step (5) is included in concentrator pattern, the built-in power communication protocol cycle gathers and stores, when down channel communication is unstable, intelligent electric meter automatic transcription, first by image data local cache, waits calling together of main website to be collected to survey or automatically report.
Compared with the prior art, beneficial effect of the present invention is:
(1) the end-to-end Base communication framework of IPization can solve the problem of compatibility that current power communication module multiple standards and proprietary protocol bring and interchangeability difference, reduces the maintenance cost of acquisition system;
(2) local communication possesses good autgmentability, and power communication module can support that multiple smart machine accesses, and interconnecting simultaneously between module can meet the new demand that Utilities Electric Co. carries out user side demand response and various value-added service better;
(3) gather the collection network administrative unit of main website and enhance current disappearance or by the powerline network administration module ability weakened, and improve the installation of collection network, debugging, operation, maintenance and management efficiency.
Accompanying drawing explanation
Fig. 1 is the physical structure schematic diagram of a kind of power information acquisition system based on IPv6 provided by the invention.
Fig. 2 is a kind of power information acquisition system power communication module work pattern diagram based on IPv6 provided by the invention.
Fig. 3 is IPv6 intelligent acquisition router communication pattern diagram provided by the invention.
Fig. 4 is a kind of power information acquisition method flow chart based on IPv6 provided by the invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, a kind of power information acquisition system based on IPv6 of the present invention, comprises intelligent measurement equipment, intelligent acquisition router, gathers main website and the all-IP communication network between them.
Intelligence measurement equipment contains the plug and play power communication module supporting IPv6, for carrying out local network between module and module and between module and intelligent acquisition router.Each power communication module has an independently IPv6 address, and address is supported automatically from Network Capture and artificial appointment.The available communication media of local network comprises power line carrier, broadband over power line, tower or latticed radio frequency network etc.According to physical condition or other demands of installing ground, as made full use of existing infrastructure, network throughput or SLA demand etc., communication media that is the most efficient and least cost can be selected with suiting measures to local conditions.
Power communication module is a kind of power communication module had on independently IP address, the intelligent electric meter being arranged on magnanimity in collection network or other intelligent measurement equipments.This power communication module have employed IPv6 agreement network layer is unified, comprises multiple communication interface with the compatible physical communication mode different with data link layer.The intelligent electric meter having installed this power communication module not only directly can carry out two-way interactive end to end with collection main website by access communications network, and need not can realize local end-to-end communication via collection main website between power communication module, change the pattern that traditional collection main website only carries out with concentrator communicating.By local end-to-end communication, this power communication module possesses the function of leading subscriber indoor network (HAN), and other comprise the power consumption equipment of transducer or controller to can be used as indoor gateway management.This power communication module is standardized, has distributed power source and energy storage, the electric automobile discharge and recharge of this power communication module, large user bears the equipment such as control can by seamless access local communication network.
Intelligent acquisition router is that one integrates route and former acquisition function, by addressing and selection optimal network path in collection network, sets up the network equipment gathering end-to-end communication between main website and intelligent electric meter.Meanwhile, it also can be used as intelligent electric meter access device and the local network Communication Gateway of standard.In current electric power information collection system, concentrator has the stipulations parsing of application layer, the function of packet sending and receiving, but it does not have the router feature of network layer, and the local network therefore set up by concentrator must use electric power specialized protocol to communicate.This networking mode inevitably brings private ownership and closure.Intelligent acquisition router of the present invention then employs open and standard IP protocol, and its up-downgoing message is IPv6 message and 6LoWPAN (IPv6over IEEE802.15.4) message of standard respectively.Router only completes the mutual conversion of message in network layer and data link layer, do not utilize the service of application layer to carry out stipulations parsing, therefore the local network set up by it is no longer limited to certain electric power specialized protocol, possesses good autgmentability, can with the internet of things shared resource of current fast development, to save overlapping investment.And this intelligent acquisition router can provide stateless automatically to configure, local network is connected can be set up fast.Because current wide area network side IPv6 technology is not yet completely universal, intelligent acquisition router have employed double-stack technology with compatible IPv4/IPv6.Meanwhile, this intelligent acquisition router adopts the security architecture of IPSec and the AES-128 encryption standard of 6LoWPAN interplantation, and its certification and security mechanism can meet the demand of system security reliability.
Gather main website the business of power information acquisition processing module and network management module is separated.Wherein, the acquisition processing module business of power information is primarily of automatic data acquisition unit, image data administrative unit and senior application composition.Network management module business is then completed by independently collection network administrative unit.Have employed the communication construction of IPization in whole system after, all electric power acquisition equipment (intelligent acquisition router, power communication module etc.) in system are also the network communication equipments of the network management module agreement SNMPv3 of support standard simultaneously, all can be used as IP network unit and are managed by general network management system.Described collection network administrative unit is mainly used in the control wide area heterogeneous communications network of the large-scale ip v6/IPv4 end points that these network communication equipments are formed being carried out to equipment condition monitoring, QoS, flow control, Remote configuration, software version management and security authentication process.
As Fig. 2, described power communication module has two kinds of mode of operations: route pattern and terminal pattern.
Under terminal pattern, power communication module carries out end to end communication by intelligent acquisition router and collection main website, only carries out sending and receiving process to the message of local node.
Under route pattern, power communication module not only supports the packet sending and receiving of local node, also supports to forward the message of other node received.Route pattern is by supporting that two stack multicasts of IGMP/MLD agreement realize.Information sharing in such a mode in local network via the transmitting-receiving of collection main website, need not can be saved the network bandwidth and guarantee service quality, being highly suitable for the in place interaction control between transducer and controller equiment.
The function that power communication module possesses has:
(1) router finds and refresh function, in any node when changing with its father node disconnecting or network topology, the automatic refreshing of routing table can be completed fast, and other node in automatic searching to network, re-establish network service;
(2) network security capability, adding of any node all needs to support safety certification, and refusal non-authentication node illegally adds communication network;
(3) data security feature, the storage of image data and transmission, the cryptographic algorithm of the safety that industry can be adopted to generally acknowledge is encrypted;
(4) the remote upgrade function of wired and wireless connections, can adopt OTA (Over The Air technology) over the air during upgrading.
As Fig. 3, described intelligent acquisition router has concentrator, router, can adopt two kinds of communication patterns.
Intelligent acquisition router gathers end-to-end communication between main website and intelligent electric meter for setting up, and as general access device and local communication gateway.This router can complete the IPv6 message of standard and the mutual conversion of 6LowPan message, and up support directly or indirectly connects IPv6 public network by Eth light/mode such as electric mouth, GRPS/3G/LTE, MVPLC, supports route and the message repeating of standard I Pv6; Descendingly provide SubGHz RF communication capacity, support the wireless power communication module construction cordless communication network with the table meter terminal of periphery, and support the transmitting-receiving of carrying 6LowPan message on an rf channel.
Under router mode, it only needs complete the mutual conversion of IPv6 message in network layer and data link layer and forward, the service of application layer need not be utilized to carry out stipulations parsing, thus solve the problem of compatibility that power communication module core chip multiple standards and proprietary protocol bring and interchangeability difference.
Under concentrator pattern, it gathers by the built-in multiple power communication agreement cycle and stores.When down channel communication is unstable, image data to intelligent electric meter automatic transcription, and first can be carried out local cache by it, and subsequently etc. calling together of main website to be collected is surveyed or automatically reported.The reason retaining concentrator pattern is mainly, and also can meet the requirement of data acquisition success rate when down channel communication instability.
Other functions that intelligent acquisition router has also comprise:
(1) stateless can be provided automatically to configure, what possess wireless network develops and manages ability, can set up the RF MESH network of an also management maintenance SubGHz to guarantee stability and the robustness of wireless network;
(2) network security capability, provides fire compartment wall, provides authentication to login user, application is added to the terminal node of wireless communication networks, has Authentication mechanism, and refusal non-authentication node illegally adds cordless communication network;
(3) data security feature, the storage of the image data of the cryptographic algorithm support encryption of the safety adopting industry to generally acknowledge and transmission;
(4) local and remote maintenance functions, supports OTA remote upgrade, can provide daily record and alarm.
The maximum permission access capacity of intelligent acquisition router can reach 5000 end points.Complete network routing by the local communication network of intelligent acquisition router and multiple described power communication module composition at IP layer, be not limited to the implementation of certain physical layer or data link layer.This novel local communication network can the compatible different communication technology, communication speed and communication media, and retains extended capability to the new technology in future.Intelligent acquisition router can be arranged on community power distribution room, shaft tower, in transformer station or on other some facilities, as the joint of local network and wide area network.
Gather main website the business of power information acquisition processing module and network management module is separated.Intelligent acquisition router and power communication module all support the network management module agreement SNMPv3 of standard, can under the prerequisite of safety as IP network unit manage by power information collection network administrative unit.This framework by network management module and application layer systematic position has good autgmentability.Network infrastructure can be shared, and can support the multiple application service of Utilities Electric Co..Power information collection network administrative unit possesses five basic functions of Fault Management, Configuration Management, Accounting Management, Performance Management, Security Management, and user need not carry out additional configuration and can carry out intuitively monitoring and safeguarding on webmaster graphical interfaces.Wherein:
Fault management capability comprises:
(1) event of failure is collected, the monitoring of filtration and relevant communication network;
(2) device status monitoring of power equipment and malfunction elimination in communication network;
(3) the multiple rule process based on threshold value is supported, can the discovery of self-defined alert event and treatment mechanism;
(4) can in GIS map by each end points of collection network and topological structure visual;
(5) allow the identification of the self-defined event of failure of Utilities Electric Co., process and be transmitted to other system, as Outage Management Systems;
(6) problem automatic tracing can be carried out according to the event of collecting.
Configuration management function comprises:
(1) software based on ATO and firmware upgrade can be performed to on-the-spot power communication module and intelligent acquisition router;
(2) achieve the configuration management of centralization, support RBAC access control based roles;
(3) device packets option and utilize grouping to carry out unifying configuration is flexibly provided.
Accounting management function comprises:
(1) the use assignment information of all-network resource is recorded, as flow, ACL Access Control List (ACL), firewall filtering information etc.;
(2) other information of interface statistics that user provides are supported.
Performance management function comprises:
(1) can in GIS map real-time display performance information;
(2) can according to the image data set of the specific demand customize standard of electric power system;
(3) provide exception reporting and the real-time rules processing engine based on threshold value of visual GIS map;
(4) customizable data frequency acquisition, and generate historical record form.
Safety management function comprises:
(1) provide the log information of user's access activity for examination & verification, check and security incident management;
(2) support zero configuration, the access deployment way of full automatic, safe intelligent acquisition router and intelligent electric meter;
(3) authentication that facility level and AAA and RADIUS integrate is provided, and attempts maliciously to access to provide alarm to communication network device;
(4) secure authentication technology that have employed PKI realizes the safety management of user's private data.
In addition this system provides API and the interface support with other system (as power information image data administrative unit, Fault Management System).
The present invention is by gathering main website by data management and the well-bound execution mode of network management module in power information acquisition system, achieve in power information collection network functions such as the monitoring of equipment state, channel status, safety certification, QoS service, failure diagnosises, effectively enhance current disappearance or by the communication network management modular capabilities weakened, reduce operation and maintenance cost, improve the intelligent level of field operation and system management.
Power communication module of the present invention can have employed the RF communication channel of SubGHz, supports the RF MESH network adding a SubGHz, and supports the transmitting-receiving of carrying 6LoWPan message on an rf channel.
Embodiment
As Fig. 4, a kind of power information acquisition method idiographic flow based on IPv6 of the present invention is as follows:
1, gather main website send information gathering instruction and transmitted by wide area network.
2, the control command that issued from Wide Area Network side joint of intelligent acquisition router, after the mark obtaining Intelligent target ammeter or other non-table meter equipment, is transmitted to user side metering device by this mark and control information by local network.
3, intelligent electric meter and other non-table meter equipment receive device identification and the control information of intelligent acquisition router transmission by this power communication module, according to the image data that the descending protocol of checking meter pre-seted obtains, and return to intelligent acquisition router by local network.
4, intelligent acquisition router accepts image data that user side returns and prepares to upload.
5, the forwarding of concrete image data, need, according to the requirement of real-time etc. of the practical stability of communication channel and data, take the communication pattern of one of router or concentrator to carry out in intelligent acquisition router.
6, final, image data is uploaded to collection main website by Wide Area Network and completes whole collecting flowchart by intelligent acquisition router.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; those of ordinary skill in the field still can modify to the specific embodiment of the present invention with reference to above-described embodiment or equivalent replacement; these do not depart from any amendment of spirit and scope of the invention or equivalent replacement, are all applying within the claims of the present invention awaited the reply.
Claims (13)
1. based on a power information acquisition system of IPv6, it is characterized in that, described system comprises intelligent measurement equipment, intelligent acquisition router, gathers main website;
Described collection main website comprises power information acquisition processing module and network management module;
Described intelligent measurement equipment comprises the intelligent measurement equipment with IPv6 plug and play power communication module, and it comprises intelligent electric meter, transducer and other user side metering device;
Described intelligent acquisition router comprises concentrator and router;
Described collection main website is by intelligent acquisition router and intelligent measurement equipment end-to-end communication;
Communicate end to end between intelligent measurement equipment in described local network.
2. a kind of power information acquisition system based on IPv6 as claimed in claim 1, it is characterized in that, described power information acquisition processing module comprises automatic data acquisition unit, image data administrative unit and senior application;
Described network management module comprises collection network administrative unit.
3. a kind of power information acquisition system based on IPv6 as claimed in claim 2, it is characterized in that, described collection network administrative unit, the wide area heterogeneous communications network of large-scale ip v6/IPv4 end points for forming network communication equipment carries out the control of equipment condition monitoring, QoS, flow control, Remote configuration, software version management and security authentication process.
4. a kind of power information acquisition system based on IPv6 as claimed in claim 1, it is characterized in that, described systematic electricity communication module comprises independently IPv6 address, this address is supported from network automatic acquisition and artificial appointment, for the local network between module and module and between module and intelligent acquisition router;
Described local network medium comprises power line carrier, broadband over power line, tower or latticed radio frequency network.
5. a kind of power information acquisition system based on IPv6 as claimed in claim 1, it is characterized in that, described power communication module comprises route pattern and terminal pattern;
Under terminal pattern, power communication module, by intelligent acquisition router and the end to end communication gathering main website, only carries out sending and receiving process to the message of local node;
Under route pattern, power communication module is supported the packet sending and receiving of local node and is supported to forward the message of other node received.
6. a kind of power information acquisition system based on IPv6 as claimed in claim 1, it is characterized in that, described intelligent acquisition router, under router mode, completes the mutual conversion of IPv6 message in network layer and data link layer and forwards; Gathered and storage by the built-in power communication agreement cycle with under concentrator pattern.
7. based on a power information acquisition method of IPv6, it is characterized in that, described method comprises
(1) intelligent acquisition router gathers main website and issues control command;
(2) intelligent acquisition router forwards control command to intelligent measurement equipment;
(3) intelligent electric meter obtains control command and is back to intelligent acquisition router after image data;
(4) intelligent acquisition router selects route pattern;
(5) intelligent acquisition router collects and stores metric data;
(6) intelligent acquisition router forwards metric data to collection main website.
8. a kind of power information acquisition method based on IPv6 as claimed in claim 7, it is characterized in that, described step (1) comprises collection main website and sends information gathering instruction and transmitted by wide area network, the control command that intelligent acquisition router is issued from Wide Area Network side joint.
9. a kind of power information acquisition method based on IPv6 as claimed in claim 7, it is characterized in that, in described step (2), intelligent measurement equipment is the intelligent measurement equipment with IPv6 plug and play power communication module, it comprise intelligent electric meter, transducer and other use metering device.
10. a kind of power information acquisition method based on IPv6 as claimed in claim 7, it is characterized in that, described step (2) comprises intelligent acquisition router and the device identification of collection and control information is transmitted to intelligent measurement equipment by local network.
11. a kind of power information acquisition methods based on IPv6 as claimed in claim 7, it is characterized in that, described step (3) comprises intelligent measurement equipment receives the transmission of intelligent acquisition router device identification and control information by this power communication module, according to the image data that the descending protocol of checking meter pre-seted obtains, and return to intelligent acquisition router by local network.
12. a kind of power information acquisition methods based on IPv6 as claimed in claim 7, is characterized in that, described step (4) comprises intelligent acquisition router and selects communication pattern, enters step (6) by router communication pattern; Step (5) is entered with concentrator communication pattern.
13. a kind of power information acquisition methods based on IPv6 as claimed in claim 7, it is characterized in that, under described step (5) is included in concentrator pattern, the built-in power communication protocol cycle gathers and stores, when down channel communication is unstable, intelligent electric meter automatic transcription, first by image data local cache, waits calling together of main website to be collected to survey or automatically report.
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