CN101800915B - Substation, terminal and system for collecting information of electricity consumption - Google Patents
Substation, terminal and system for collecting information of electricity consumption Download PDFInfo
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- CN101800915B CN101800915B CN2009102156352A CN200910215635A CN101800915B CN 101800915 B CN101800915 B CN 101800915B CN 2009102156352 A CN2009102156352 A CN 2009102156352A CN 200910215635 A CN200910215635 A CN 200910215635A CN 101800915 B CN101800915 B CN 101800915B
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Abstract
The invention discloses a substation, a terminal and a system for collecting the information of electricity consumption. The system comprises a master station, a substation and a terminal, wherein the substation consists of an OLT (optical line terminal) as network equipment and a POS (passive optical splitter); and the terminal consists of an ONU (optical network unit) and an electric energy meter. The OLT receives and resolves a command issued by the master station, and sends the resolved identifier of a target electric energy meter and the control information to the ONU through the POS on optical fiber; the ONU collects the information of electricity consumption from the electric energy meter corresponding to the identifier of the target electric energy meter according to the received control information; and the ONU sends the information of electricity consumption to the OLT through the POS on the optical fiber after the information collection, and the OLT further uploads the information of electricity consumption to the master station, so as to complete the entire process of information collection. By applying the technical scheme, the invention substitutes the optical network for the complex original local network, thus optimizing the network structure and further reducing the complexity of the system for collecting the information of electricity consumption.
Description
Technical field
The application relates to power domain, particularly relates to a kind of power information and gathers substation, terminal and system.
Background technology
Along with improving constantly of management of power use level, manual metering can not satisfy people's needs, and remote meter reading replaces manual metering gradually, has solved the problem that the manual metering error is large, workload is large.
The existing power information acquisition system that is used for remote meter reading comprises main website, substation, electric energy meter and the communication network between them.Main website carries out data interaction by cable network and substation; Substation and electric energy meter carry out data interaction by local network, obtain the related data of electric energy meter.Main website just can get access to the data of electric energy meter like this, finishes the overall process of collection.Existing substation mainly comprises collector and concentrator.Because the complex interfaces of different electric energy meters is various, common local interface has RS485 interface, power line carrier interface, Ethernet interface; Remote communication interface is generally the GPRS/CDMA interface.So Local Area Networking comprises: RS485 bus network, power line carrier network, ethernet network or GPRS/CDMA wireless network etc.And link to each other with Local Area Networking sub-station equipment collector and concentrator also require to possess dissimilar interface.
In the process that realizes the application, the inventor finds in the existing power information acquisition system, and since the variation of Local Area Networking, the labyrinth of substation, thus cause whole acquisition system complex structure.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of power information to gather substation, terminal and system, with the variation of solution owing to Local Area Networking, and the complex structure of substation, thus causing the baroque problem of whole acquisition system, technical scheme is as follows:
A kind of power information gathers substation, comprising: optical fiber cable termination equipment OLT and passive fiber splitter POS, wherein:
Described OLT is used for receiving the control command that network side issues, and resolves described control command, obtains target electric energy meter sign and control information, and target electric energy meter sign and control information are sent to user's side by optical fiber; Receive simultaneously the power information that user's side is returned, and described power information is uploaded to network side; Described POS, the optical fiber that is used for linking to each other with OLT is divided into a plurality of branches and is connected to user's side.
Preferably, the network side data interface of described OLT comprises: gigabit ethernet interface, 100 m ethernet interface and/or ten thousand mbit ethernet interfaces.
A kind of power information acquisition terminal comprises: optical network node ONU and electric energy meter, wherein:
Described ONU be used for to receive power information and gathers target electric energy meter sign and the control information that substation sends, and identifies corresponding electric energy meter according to described control information and target electric energy meter and carries out obtaining power information alternately; And described power information is sent to power information by optical fiber gather substation;
Described electric energy meter is used for providing power information.
Preferably, the data-interface of described ONU and electric energy meter comprises: Fast Ethernet FE interface, GE interface, RS232 interface, RS485 interface and/or E1 interface.
Preferably, described ONU is connected with a plurality of electric energy meters.
A kind of power information acquisition system comprises: power information gathers main website, power information gathers substation and power information acquisition terminal, wherein:
Described power information gathers main website, is used for issuing control command to described substation, and receives the power information that described power information collection substation is uploaded;
Described power information gathers substation, be used for receiving described power information and gather the control command that main website issues, resolve described control command, obtain target electric energy meter sign and control information, and target electric energy meter sign and control information are sent to described power information acquisition terminal by optical fiber; Receive simultaneously the power information that described power information acquisition terminal sends, and the power information that receives is uploaded to described power information gathers main website;
Described power information acquisition terminal is used for receiving described power information and gathers target electric energy meter sign and the control information that substation sends, and according to described target electric energy meter sign and control information, obtains power information; And described power information is sent to described power information by optical fiber gather substation.
Preferably, described power information gathers and adopts passive optical network PON to communicate between substation and the described power information acquisition terminal.
The embodiment of the present application, power information gathers substation Adoption Network equipment OLT and POS, has substituted original sub-station equipment concentrator and collector.The communication network that power information gathers between substation and the power information acquisition terminal adopts EPON, substituted original complicated and diversified Local Area Networking, and gather acquisition terminal in power information dissimilar interface is set, can gather the electric energy meter information with dissimilar interface, so just original complicated Local Area Networking become single EPON.The power information acquisition system is not only simple in structure like this, and has optimized network configuration, so the complexity of acquisition system reduces greatly.
The embodiment of the present application adopts optical fiber communication, optical fiber communication has the characteristics such as transmission rate is high, loss is little, therefore can improve communication efficiency, reliability and the real-time that power information gathers, collecting efficiency and the control command rate that runs succeeded is significantly improved, shorten simultaneously collection period and acquisition interval, improved management of power use level.
In addition, the network equipment POS in the EPON is passive device, does not need to provide power supply during work, has reduced construction cost and the maintenance cost of acquisition system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, the accompanying drawing that the following describes only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 gathers the structural representation of substation for the embodiment of the present application one provides a kind of power information;
Fig. 2 gathers the structural representation of substation for the embodiment of the present application two provides a kind of power information;
The structural representation of the embodiment of the present application three a kind of power information acquisition terminal that provides is provided Fig. 3;
The structural representation of the embodiment of the present application four a kind of power information acquisition system that provides is provided Fig. 4.
Embodiment
The embodiment of the present application discloses a kind of power information and has gathered substation, terminal and system, to solve in the power information acquisition system, and owing to the labyrinth of substation, the variation of Local Area Networking, thus cause the baroque problem of whole acquisition system.
In order to make those skilled in the art person understand better technical scheme among the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment one:
Fig. 1 gathers the structural representation of substation for the embodiment of the present application one provides a kind of power information.
This substation adopts OLT (Optical Line Terminal, optical fiber cable termination equipment) 11 as the platform that converges power information, the function that provides network to concentrate and access.
Optical fiber cable termination equipment OLT11 is used for receiving the control command that issues from network side, resolves described control command, obtains target electric energy meter sign and control information, and target electric energy meter sign and control information are sent to user's side by optical fiber; Receive simultaneously the power information that user's side is returned, and described power information is uploaded to network side.
After OLT11 receives control command, according to the up agreement of checking meter that pre-sets the control command that issues is resolved, again target electric energy meter sign and control information are sent to user's side after the parsing.OLT11 carries out framing with power information, and then is uploaded to network side after the power information that receives the transmission of user's side simultaneously.
In addition, OLT11 can also require to carry out allocated bandwidth, network security and administration configuration for the difference of user's QoS (Quality of Service, service quality)/SLA (Service-Level Agreement, service-level agreement).
The network side data interface of OLT11 can use GE (Gigabit Ethernet, gigabit Ethernet) interface, carries out data interaction with network side.The GE interface can be in the interfaces such as 1000BASE-LE, 1000BASE-SX, 1000BASE-CX and 1000BASE-T one or more, the various interface type all should meet the regulation of IEEE (Institute of Electrical and Electronics Engineers, institute of electrical and electronic engineers) 802.3-2005.The network side interface of OLT11 can also use 10,000,000/100,000,000 and/or ten thousand mbit ethernet interfaces, and for example, 10,000,000/100 m ethernet interface can be the 10/100BASE-T interface, and ten thousand mbit ethernet interfaces can be the 10GBASE-X interface.
Embodiment two:
Fig. 2 gathers the structural representation of substation for the embodiment of the present application two provides a kind of power information.
This substation can also comprise POS (Passive Optical Splitter, passive fiber splitter) 12, and the optical fiber that is used for linking to each other with OLT11 is divided into a plurality of branches and is connected to user's side.
POS12 is passive device, and an optical fiber that will be connected with OLT11 is told a plurality of branches, can make an OLT11 serve a plurality of users.Its splitting ratio can be 5: 95,50: 50,25: 75 etc., splitting ratio need to calculate to actual conditions such as the distance of OLT11, insertion loss according to user's side, wherein user's side is 20km to the maximum to the distance between the OLT11, this also is the maximum transmission distance of optical fiber, and the power information that can satisfy general city or town and country user gathers requirement.Owing to being passive device, do not need to provide power supply during work, saved construction cost, and needed hardly to safeguard after the passive device installation, so also reduced maintenance cost.
Embodiment three:
The structural representation of the embodiment of the present application three a kind of power information acquisition terminal that provides is provided Fig. 3.
This terminal comprises: ONU (Optical Network Unit, optical network node) 31 and electric energy meter 32;
ONU31, be used for receiving the telecommunications breath and gather target electric energy meter sign and the control information that the substation (not shown) sends, seek corresponding electric energy meter 32 according to target electric energy meter sign and control information, carry out data interaction with electric energy meter 32, obtain power information; The power information of obtaining is sent to power information by optical fiber gather substation.
As the terminal equipment that gathers substation, ONU31 plays the effect of data acquisition.ONU31 has the data buffer storage function, the power information of obtaining can be stored in itself, after receiving target electric energy meter sign and control command, the power information that preferential target electric energy meter with buffer memory identifies corresponding electric energy meter returns to power information and gathers substation; If do not have data cachedly among the ONU31, then the electric energy meter corresponding with target electric energy meter sign obtains power information alternately according to the descending protocol of checking meter that pre-sets, and then returns power information.
The data-interface of ONU31 and electric energy meter can use FE (Fast Ethernet, Fast Ethernet) interface, and realization is mutual with electric energy meter.The data-interface of ONU31 and electric energy meter can also use one or more in GE interface, RS232 interface, RS485 interface and E1 (European 30 tunnel pulse-code modulation PCM standards are called for short E1) interface, can carry out data interaction with the electric energy meter with dissimilar interface to satisfy ONU31.
An ONU31 can possess a plurality of data-interfaces of the same type, is connected with a plurality of electric energy meters with same type interface, gathers simultaneously the power information of a plurality of same type interface energy meters.In addition, an ONU31 can also possess a plurality of dissimilar data-interfaces, has dissimilar interface energy meter and is connected with a plurality of, and gather simultaneously the power information of these a plurality of dissimilar interface energy meters.
Embodiment four:
The structural representation of the embodiment of the present application four a kind of power information acquisition system that provides is provided Fig. 4.
This system comprises: power information gathers main website 41, power information gathers substation 42 and power information acquisition terminal 43.
Wherein, power information gathers main website 41, is used for gathering substation 42 to power information and issues control command, and receive the power information that power information collection substation 42 is uploaded.Power information gathers main website 41 and is generally remote control center, is the power information processing center.
Power information gathers substation 42, the telecommunications breath that provides such as embodiment one or embodiment two can be provided gather substation, be used for receiving the control command that main website 41 issues, resolve described control command, obtain target electric energy meter sign and control information, and target electric energy meter sign and control information are sent to power information acquisition terminal 43 by optical fiber; Receive simultaneously the power information that power information acquisition terminal 43 sends, and the power information that receives is uploaded to power information collection main website 41.
Power information gathers the function that substation 42 provides network to concentrate and access, as the platform that converges power information.Simultaneously can also carry out allocated bandwidth, network security and administration configuration for user's QoS and the different requirements of SLA.
Power information acquisition terminal 43, the power information acquisition terminal that provides such as embodiment three can be provided, be used for receiving described power information and gather target electric energy meter sign and the control information that substation 42 sends, according to described target electric energy meter sign and control information, obtain power information; And described power information is sent to described power information by optical fiber gather substation 42.
In this power information acquisition system, power information gathers between main website 41 and the power information collection substation 42 and adopts the Ethernet Ethernet of present comparative maturity to communicate, power information gathers and adopts PON (the Passive Optical Network that is comprised of optical fiber between substation 42 and the power information acquisition terminal 43, EPON) communicates, at the ONU of terminal a plurality of dissimilar interfaces can be set, collection has the electric energy meter information of dissimilar interface.
The power information acquisition system uses the Heterosis of PON to be: the PON networking flexibility, topological structure can be supported the network topology structures such as tree type, star-like, bus-type, mixed type, redundancy-type, only have like this EPON of pure optical fiber in the Local Area Networking of power information acquisition system, avoided complicated and diversified Local Area Networking in the original power information acquisition system.
The embodiment of the present application, power information gathers substation Adoption Network equipment OLT and POS, has substituted original sub-station equipment concentrator and collector.The communication network that power information gathers between substation and the power information acquisition terminal adopts EPON, substituted original complicated and diversified Local Area Networking, and gather acquisition terminal in power information dissimilar interface is set, can gather the electric energy meter information with dissimilar interface, so just original complicated Local Area Networking become single EPON.The power information acquisition system is not only simple in structure like this, and has optimized network configuration, so the complexity of acquisition system reduces greatly.
The embodiment of the invention adopts optical fiber communication, optical fiber communication has the characteristics such as transmission rate is high, loss is little, therefore can improve communication efficiency, reliability and the real-time that power information gathers, collecting efficiency and the control command rate that runs succeeded is significantly improved, shorten simultaneously collection period and acquisition interval, improved management of power use level.In addition, the network equipment POS in the EPON is passive device, does not need to provide power supply during work, has reduced construction cost and the maintenance cost of acquisition system.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses is difference with other embodiment.Apparatus and system embodiment described above only is schematic, wherein said unit as the separating component explanation can or can not be physically to separate also, the parts that show as the unit can be or can not be physical locations also, namely can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select according to the actual needs wherein some or all of module to realize the purpose of the present embodiment scheme.Those of ordinary skills namely can understand and implement in the situation that do not pay creative work.
The above only is the application's embodiment; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the application's protection range.
Claims (5)
1. a power information acquisition terminal is characterized in that comprising: optical network node ONU and electric energy meter;
Wherein, described ONU, after be used for receiving power information and gathering the target electric energy meter sign and control information that substation sends, if current cache has data, the power information that then preferentially the target electric energy meter of buffer memory is identified corresponding electric energy meter returns to power information collection substation; If current do not have data cachedly, then identify corresponding electric energy meter according to the control information of described reception and target electric energy meter and carry out obtaining power information alternately, and the described power information of obtaining is sent to power information by optical fiber gather substation;
Described electric energy meter is used for providing power information;
Wherein, described power information collection substation comprises: optical fiber cable termination equipment OLT and passive fiber splitter POS;
Described OLT is used for receiving the control command that network side issues, and resolves described control command, obtains target electric energy meter sign and control information, and target electric energy meter sign and control information are sent to ONU by optical fiber; The power information of obtaining according to described target electric energy meter sign and control information that receives simultaneously that ONU returns, and described power information is uploaded to network side;
Described POS, the optical fiber that is used for linking to each other with OLT is divided into a plurality of branches and is connected to ONU.
2. terminal according to claim 1 is characterized in that, the data-interface of described ONU and electric energy meter comprises: Fast Ethernet FE interface, GE interface, RS232 interface, RS485 interface and/or E1 interface.
3. terminal according to claim 1 is characterized in that, described ONU is connected with a plurality of electric energy meters.
4. a power information acquisition system is characterized in that, comprises that power information gathers main website, power information gathers substation and power information acquisition terminal;
Wherein, described power information gathers main website, is used for issuing control command to described substation, and receives the power information that described power information collection substation is uploaded;
Described power information gathers substation, be used for receiving described power information and gather the control command that main website issues, resolve described control command, obtain target electric energy meter sign and control information, and target electric energy meter sign and control information are sent to described power information acquisition terminal by optical fiber; The power information of obtaining according to described target electric energy meter sign and control information that receives simultaneously that described power information acquisition terminal sends, and the power information that receives is uploaded to described power information collection main website;
Described power information acquisition terminal, be used for receiving described power information and gather target electric energy meter sign and the control information that substation sends, if self is cached with data, the power information that then preferentially the target electric energy meter of buffer memory is identified corresponding electric energy meter returns to power information and gathers substation; If self do not have data cachedly, then according to described target electric energy meter sign and control information, obtain power information, and the described power information of obtaining is sent to described power information collection substation by optical fiber.
5. system according to claim 4 is characterized in that, described power information gathers and adopts passive optical network PON to communicate between substation and the described power information acquisition terminal.
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| CN2009102156352A CN101800915B (en) | 2009-12-30 | 2009-12-30 | Substation, terminal and system for collecting information of electricity consumption |
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| CN2009102156352A CN101800915B (en) | 2009-12-30 | 2009-12-30 | Substation, terminal and system for collecting information of electricity consumption |
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| CN102065345A (en) * | 2010-12-01 | 2011-05-18 | 王健 | Method and circuit for transmitting meter-reading information of electricity meter by utilizing low-cost time division multiplex optical network |
| WO2012126158A1 (en) * | 2011-03-19 | 2012-09-27 | 河南电力试验研究院 | All optical electricity usage information collection system |
| CN102263593A (en) * | 2011-04-06 | 2011-11-30 | 深圳市开锐光通信技术有限公司 | FTTH (fiber to the home)-based energy efficiency intelligent management and broadband access system and method |
| CN102201160A (en) * | 2011-04-21 | 2011-09-28 | 河南电力试验研究院 | Novel electricity consumption information acquisition system |
| CN102254420A (en) * | 2011-04-21 | 2011-11-23 | 河南电力试验研究院 | All-optical electricity consumption information acquisition system |
| CN102404202A (en) * | 2011-10-24 | 2012-04-04 | 深圳市共进电子股份有限公司 | Power grid data processing method and device |
| CN102523067B (en) * | 2011-12-30 | 2015-04-15 | 重庆市电力公司电力科学研究院 | Industrial-grade optical transmission system |
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| CN103714692A (en) * | 2014-01-15 | 2014-04-09 | 深圳市好通家实业有限公司 | User-side communication unit, user-side communication ring and meter-reading message processing method |
| CN104753597B (en) * | 2014-12-29 | 2018-01-19 | 东莞市启鼎光电科技有限公司 | A kind of passive fiber buss cut-in methods of light splitting RS 485 and system |
| CN104898757A (en) * | 2015-03-16 | 2015-09-09 | 国家电网公司 | Power output control method of electric power acquisition system |
| CN104700606B (en) * | 2015-03-26 | 2018-09-04 | 广东电网有限责任公司电力科学研究院 | Ammeter information reporting system based on plastic optical fiber |
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