The utility model content
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 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 is gathered substation, comprising: optical fiber cable termination equipment OLT and passive fiber splitter POS, wherein:
Described OLT is used to receive the steering order that network side issues, and resolves described steering order, obtains target electric energy meter sign and control information, and target electric energy meter sign and control information are sent to user side by optical fiber; Receive the power information that user side returns simultaneously, and described power information is uploaded to network side; Described POS, the optical fiber that is used for linking to each other with OLT are divided into a plurality of branches and are connected to user 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 is used to receive power information and gathers target electric energy meter sign and the control information that substation sends, and identifies pairing 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 to provide 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 is gathered main website, power information is gathered substation and power information acquisition terminal, wherein:
Described power information is gathered main website, is used for issuing steering order to described substation, and receives the power information that described power information collection substation is uploaded;
Described power information is gathered substation, be used to receive described power information and gather the steering order that main website issues, resolve described steering order, 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 the power information that described power information acquisition terminal sends simultaneously, and the power information that receives is uploaded to described power information gathers main website;
Described power information acquisition terminal is used to receive 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 is gathered and is adopted passive optical network PON to communicate between substation and the described power information acquisition terminal.
The embodiment of the present application, power information is gathered substation and is adopted network equipment OLT and POS, has substituted original sub-station equipment concentrator and collector.The communication network that power information is gathered between substation and the power information acquisition terminal adopts EPON, substituted original complicated and diversified local networking, and gather acquisition terminal in power information dissimilar interfaces is set, can gather electric energy meter power information, so just original complicated local networking become single EPON with dissimilar interfaces.The power information acquisition system is not only simple in structure like this, and has optimized network structure, so the complexity of acquisition system reduces greatly.
The embodiment of the present application adopts optical fiber communication, optical fiber communication has characteristics such as transfer rate height, loss be little, therefore can improve communication efficiency, reliability and the real-time that power information is gathered, collecting efficiency and the steering order rate that runs succeeded is significantly improved, shorten collection period and acquisition interval simultaneously, improved management of power use level.
In addition, the network equipment POS in the EPON is a passive device, does not need to provide power supply during work, has reduced the construction cost and the maintenance cost of acquisition system.
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 networking, thus cause the baroque problem of whole acquisition system.
In order to make those skilled in the art person understand technical scheme among the application better, 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 is obtained 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 insert.
Optical fiber cable termination equipment OLT11 is used for receiving the steering order that issues from network side, resolves described steering order, obtains target electric energy meter sign and control information, and target electric energy meter sign and control information are sent to user side by optical fiber; Receive the power information that user side returns simultaneously, and described power information is uploaded to network side.
After OLT11 receives steering order, the steering order that issues is resolved, again target electric energy meter sign and control information are sent to user side after the parsing according to the up agreement of checking meter that pre-sets.OLT11 carries out framing with power information, and then is uploaded to network side after the power information that receives the user side transmission simultaneously.
In addition, OLT11 can also require to carry out allocated bandwidth, network security and administration configuration at the difference of QoS (Quality ofService, service quality)/SLA (Service-Level Agreement, service-level agreement) of user.
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 side.
POS12 is a 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 according to user side to the distance of OLT11, insert actual conditions such as loss and calculate, wherein user side is 20km to the maximum to the distance between the OLT11, this also is the maximum transmission distance of optical fiber, can satisfy general city or town and country user's power information and gather requirement.Owing to be 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 is used to receive electrical information and gathers target electric energy meter sign and the control information that the substation (not shown) sends, and seeks corresponding electric energy meter 32 according to target electric energy meter sign and control information, carries out data interaction with electric energy meter 32, obtains power information; The power information of obtaining is sent to power information by optical fiber gather substation.
Electric energy meter 32 is general digital electricity meter, is used to provide power information.
As the terminal device of gathering substation, ONU31 plays the effect of data acquisition.ONU31 has the metadata cache function, the power information of obtaining can be stored in itself, after receiving target electric energy meter sign and steering order, 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 corresponding with target electric energy meter sign electric energy meter 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 interfaces 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 the power information of a plurality of same type interface electric energy meters simultaneously.In addition, an ONU31 can also possess a plurality of data of different types interfaces, has dissimilar interface electric energy meters and is connected with a plurality of, and gather the power information of these a plurality of dissimilar interface electric energy meters simultaneously.
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 is gathered main website 41, power information is gathered substation 42 and power information acquisition terminal 43.
Wherein, power information is gathered main website 41, is used for gathering substation 42 to power information and issues steering order, and receive the power information that power information collection substation 42 is uploaded.Power information is gathered main website 41 and is generally remote control center, is the power information processing enter.
Power information is gathered substation 42, the electrical information that is provided as embodiment one or embodiment two can be provided gather substation, be used to receive the steering order that main website 41 issues, resolve described steering order, 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 the power information that power information acquisition terminal 43 sends simultaneously, and the power information that receives is uploaded to power information collection main website 41.
Power information is gathered the function that substation 42 provides network to concentrate and insert, as the platform that converges power information.Simultaneously can also carry out allocated bandwidth, network security and administration configuration at user's QoS and the different requirements of SLA.
Power information acquisition terminal 43, the power information acquisition terminal that is provided as embodiment three can be provided, be used to receive described power information and gather target electric energy meter sign and the control information that substation 42 sends,, obtain power information according to described target electric energy meter sign and control 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 is gathered between main website 41 and the power information collection substation 42 and is adopted the Ethernet Ethernet of present comparative maturity to communicate, power information is gathered and is adopted PON (the Passive Optical Network that is made up 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 power information of dissimilar interfaces.
The power information acquisition system uses the advantage of PON to show as: the PON networking flexibility, topological structure can be supported network topology structures such as tree type, star-like, bus-type, mixed type, redundancy-type, have only the EPON of pure optical fiber like this in the local networking of power information acquisition system, avoided complicated and diversified local networking in the original power information acquisition system.
The embodiment of the present application, power information is gathered substation and is adopted network equipment OLT and POS, has substituted original sub-station equipment concentrator and collector.The communication network that power information is gathered between substation and the power information acquisition terminal adopts EPON, substituted original complicated and diversified local networking, and gather acquisition terminal in power information dissimilar interfaces is set, can gather electric energy meter power information, so just original complicated local networking become single EPON with dissimilar interfaces.The power information acquisition system is not only simple in structure like this, and has optimized network structure, so the complexity of acquisition system reduces greatly.
The utility model embodiment adopts optical fiber communication, optical fiber communication has characteristics such as transfer rate height, loss be little, therefore can improve communication efficiency, reliability and the real-time that power information is gathered, collecting efficiency and the steering order rate that runs succeeded is significantly improved, shorten collection period and acquisition interval simultaneously, improved management of power use level.In addition, the network equipment POS in the EPON is a passive device, does not need to provide power supply during work, has reduced the construction cost and the maintenance cost of acquisition system.
Each embodiment in this instructions 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 all 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, promptly can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select wherein some or all of module to realize the purpose of present embodiment scheme according to the actual needs.Those of ordinary skills promptly can understand and implement under the situation of not paying creative work.
The above only is the application's a 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 domain.