CN204615838U - A kind of electric power application optical communication network structure - Google Patents
A kind of electric power application optical communication network structure Download PDFInfo
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- CN204615838U CN204615838U CN201520351372.9U CN201520351372U CN204615838U CN 204615838 U CN204615838 U CN 204615838U CN 201520351372 U CN201520351372 U CN 201520351372U CN 204615838 U CN204615838 U CN 204615838U
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Abstract
The utility model provides a kind of electric power application optical communication network structure, and described optical communication network redundancy structure comprises connected optical switch and process layer optical transmitter and receiver; Described process layer optical transmitter and receiver comprises connected optical branching device and wavelength division multiplexer, and described optical branching device is connected with described optical switch.The structure that the utility model provides adopts 1xn (n>2) type optical branching device and wavelength division multiplexer to provide redundancy feature, and realizes multicast functionality when being used in electric power application process layer network.
Description
Technical field
The utility model relates to a kind of structure of electric power application optical communication network technology field, specifically relates to a kind of electric power application optical communication network structure.
Background technology
The construction of intelligent grid is the vital task of power automation development.Straight jumping mode is directly adopted in the many employings of relaying protection in transformer station, and to ensure the reliability of connection and telecommunication service quality, but transformer station's internal wiring is complicated, cause the waste of a large amount of cable or optical cable, and information can not be shared.
The networking of relaying protection, adopts net to adopt net jumping mode and transmits, and realizes sharing of the network information, and greatly simplifies fiber cabling, improve debugging efficiency, save construction cost.
The key core problem that the application of net jumping technology adopted by restriction relaying protection net be the research of ethernet communication reliability ensuring techniques in reliable sampling data synchronization technology and the station meeting relaying protection demand still not deeply.
Under net jumping application mode adopted by net, sampling data synchronization needs dependence external synchronization source to realize, and reserves larger offered load nargin realization for protecting the reliable guarantee of sampling Tripping data Internet Transmission still to rely on, and there is no better technological means in prior art.
In the case, the utility model proposes a kind of electric power application optical communication electric network composition having redundancy, this structure adopts the net exchanged based on light to adopt net jumping technology, not only solves the problem that network connection is complicated, information can not be shared, and provide redundancy protecting for network, improve network reliability; Utilize wavelength-division multiplex technique simultaneously, make the communication of electric power networks business not rely on network clocking, the problems such as the shake that the service conflict avoiding conventional switch to bring and Network Synchronization, business datum report transmit realization that is wayward, multicast is complicated.
Summary of the invention
For overcoming above-mentioned the deficiencies in the prior art, the utility model provides a kind of electric power application optical communication network structure.
Realizing the solution that above-mentioned purpose adopts is:
A kind of electric power application optical communication network structure, described optical communication network redundancy structure comprises some groups of optical switchs and process layer optical transmitter and receiver that are connected;
Described process layer optical transmitter and receiver comprises connected optical branching device and wavelength division multiplexer;
Described optical branching device is connected with described optical switch.
Preferably, the described wavelength division multiplexer of described process layer optical transmitter and receiver adopts Nx1 wavelength division multiplexer;
The optical branching device of described process layer optical transmitter and receiver adopts 1xM optical branching device;
Wherein, M and N be greater than 0 integer.
Preferably, the spacing devices of described optical switch connection procedure layer;
Described optical branching device connection bus protective device and fault wave recording device.
Preferably, described optical switch is pressed different wave length and is connected with protective device and measure and control device.
Compared with immediate prior art, the utility model has following beneficial effect:
1, the structure that provides of the utility model adopts the net exchanged based on light to adopt net jumping technology, not only solves the problem that network connection is complicated, information can not be shared, and provides redundancy protecting for network, improves network reliability.
2, the structure that the utility model provides utilizes wavelength-division multiplex technique, the communication of electric power networks business is made not rely on network clocking, the problems such as the shake that the service conflict avoiding conventional switch to bring and Network Synchronization, business datum report transmit realization that is wayward, multicast is complicated.
3, in the structure that the utility model provides, adopt 1xn (n>2) type optical branching device and wavelength division multiplexer to provide redundancy feature, and realize multicast functionality when being used in electric power application process layer network.
Accompanying drawing explanation
Fig. 1 is the electric power application optical network structure block schematic illustration having redundancy in the utility model;
Fig. 2 is process layer optical transmitter and receiver schematic diagram in the present embodiment;
Fig. 3 is the electric power application optical network structure schematic diagram having redundancy in the present embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
The utility model provides a kind of electric power application optical network structure having redundancy, and as shown in Figure 1, Fig. 1 is the electric power application optical network structure block schematic illustration having redundancy in the utility model.
This electric power application optical communication network structure comprises connected optical switch and process layer optical transmitter and receiver.
Described process layer optical transmitter and receiver comprises connected optical branching device and wavelength division multiplexer, and described optical branching device is connected with described optical switch.
The described wavelength division multiplexer of process layer optical transmitter and receiver adopts Nx1 wavelength division multiplexer; The optical branching device of described process layer optical transmitter and receiver adopts 1xM optical branching device; Wherein, M and N be greater than 0 integer.As shown in Figure 2, Fig. 2 is process layer optical transmitter and receiver schematic diagram in the present embodiment.
Optical branching device provides redundancy in the structure, and realizes multicast in electric power application process layer network.First process layer devices end carries out multiplexing through wavelength division multiplexer with the light signal of multiple wavelength that each equipment of group sends, and then realizes multicast and redundancy along separate routes through optical branching device.
Cross interconnected by between the described process layer optical transmitter and receiver of different grouping and described optical switch, realizes the backup protection to link and described optical switch.
Described optical switch carries out wavelength (de) multiplexing respectively to the multi-wavelength signals of two or more input port, and is divided into by the Single wavelength light signal after demultiplexing the identical light signal being no less than two parts to export.
The spacing devices of described optical switch connection procedure layer; Converged in one or more optical fiber by the light signal of described process layer optical transmitter and receiver by the SV message of multiple described spacing devices and the different wave length of GOOSE message, then be connected with fault wave recording device with described optical switch, protection equipment for busbar.
Described optical switch is pressed different wave length and is connected with protective device and measure and control device.
As shown in Figure 3, Fig. 3 is the electric power application optical network structure schematic diagram having redundancy in the present embodiment; In figure, solid line represents primary light path, represented by dotted arrows light path for subsequent use.λ represents the wavelength of the light signal that corresponding optical fiber link transmits, λ
i jrepresent the wavelength that in process layer jth group equipment, i-th equipment uses, MU represents merge cells, and IED represents intelligent operation unit.
This electric power application optical network structure comprises optical switch and process layer optical transmitter and receiver.
Process layer optical transmitter and receiver comprises optical branching device and the wavelength division multiplexer of connection, and described wavelength division multiplexer adopts Nx1 wavelength division multiplexer; The optical branching device of described process layer optical transmitter and receiver adopts 1xM optical branching device; Wherein, M and N be greater than 0 integer.
The spacing devices of first group of different wave length connection procedure layer pressed by wavelength division multiplexer one, and the spacing devices of second group of different wave length connection procedure layer pressed by wavelength division multiplexer two.
Optical switch connects wall, and optical switch one presses different wave length and wall first group of equipment, protection equipment for busbar, fault recorded broadcast device are connected; Wherein first group of equipment comprises protective device 1 to N, testing apparatus 1 to N.
Optical switch two presses different wave length and wall second group of equipment, protection equipment for busbar, fault recorded broadcast device are connected; Wherein second group of equipment comprises protective device 1 to N, testing apparatus 1 to N.
Finally should be noted that: above embodiment is only for illustration of the technical scheme of the application but not the restriction to its protection range; although with reference to above-described embodiment to present application has been detailed description; those of ordinary skill in the field are to be understood that: those skilled in the art still can carry out all changes, amendment or equivalent replacement to the embodiment of application after reading the application; but these change, revise or be equal to replacement, all applying within the claims awaited the reply.
Claims (4)
1. an electric power application optical communication network structure, is characterized in that: described optical communication network redundancy structure comprises some groups of optical switchs and process layer optical transmitter and receiver that are connected;
Described process layer optical transmitter and receiver comprises connected optical branching device and wavelength division multiplexer;
Described optical branching device is connected with described optical switch.
2. a kind of electric power application optical communication network structure as claimed in claim 1, is characterized in that: the described wavelength division multiplexer of described process layer optical transmitter and receiver adopts Nx1 wavelength division multiplexer;
The optical branching device of described process layer optical transmitter and receiver adopts 1xM optical branching device;
Wherein, M and N be greater than 0 integer.
3. a kind of electric power application optical communication network structure as claimed in claim 1, is characterized in that: the spacing devices of described optical switch connection procedure layer;
Described optical branching device connection bus protective device and fault wave recording device.
4. a kind of electric power application optical communication network structure as claimed in claim 3, is characterized in that: described optical switch is connected with protective device and measure and control device by different wave length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520351372.9U CN204615838U (en) | 2015-05-27 | 2015-05-27 | A kind of electric power application optical communication network structure |
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| CN201520351372.9U CN204615838U (en) | 2015-05-27 | 2015-05-27 | A kind of electric power application optical communication network structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679007A (en) * | 2015-12-30 | 2016-06-15 | 中国南方电网有限责任公司电网技术研究中心 | Transformer substation data transmission method and device |
| CN105680945A (en) * | 2016-01-15 | 2016-06-15 | 东南大学 | Wave length mutual multicasting type process level optical network structure |
| CN106301665A (en) * | 2015-05-27 | 2017-01-04 | 中国电力科学研究院 | A kind of electric power application optical communication network structure |
-
2015
- 2015-05-27 CN CN201520351372.9U patent/CN204615838U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106301665A (en) * | 2015-05-27 | 2017-01-04 | 中国电力科学研究院 | A kind of electric power application optical communication network structure |
| CN106301665B (en) * | 2015-05-27 | 2019-02-05 | 中国电力科学研究院 | A kind of electric power application optical communication network structure |
| CN105679007A (en) * | 2015-12-30 | 2016-06-15 | 中国南方电网有限责任公司电网技术研究中心 | Transformer substation data transmission method and device |
| CN105680945A (en) * | 2016-01-15 | 2016-06-15 | 东南大学 | Wave length mutual multicasting type process level optical network structure |
| CN105680945B (en) * | 2016-01-15 | 2018-04-24 | 东南大学 | A kind of mutual multicast type process layer optical network structure of wavelength |
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