CN204290974U - A kind of improved communication fiber cable network structure of electrical power distribution automatization system - Google Patents
A kind of improved communication fiber cable network structure of electrical power distribution automatization system Download PDFInfo
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- CN204290974U CN204290974U CN201420659537.4U CN201420659537U CN204290974U CN 204290974 U CN204290974 U CN 204290974U CN 201420659537 U CN201420659537 U CN 201420659537U CN 204290974 U CN204290974 U CN 204290974U
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Abstract
The utility model discloses a kind of improved communication fiber cable network structure of electrical power distribution automatization system, the structure of communications optical cable network is independent of the grid structure of power distribution network; Optical cable on the power circuit main line of same paths is by fiber cable cross connection box or fibre distribution frame merger, through by overlap joint optical cable between the end points of the broken end optical cable on power circuit branch line; The utility model achieves the main line merger of electrical power distribution automatization system optical fiber communication, and branch line is through, greatly shortens cable length, investment reduction; Save the port resource of transformer station's optical fiber wiring equipment, also solve a difficult problem for screen cabinet position anxiety simultaneously; Reduce the pore resource or shaft tower resource that take needed for fiber cable laying; Fiber cable network is simplified, and reduces complexity and the workload of operation maintenance; Power distribution automation telecommunication circuit reliability is higher; Telecommunication circuit topological structure is simplified, and has both saved transformer substation communication device port resource, and make again the maintenance management of circuit more simple, troubleshooting is easier.
Description
Technical field
The utility model relates to electric power optical cable communication engineering technical field, particularly relates to a kind of improved communication fiber cable network structure of electrical power distribution automatization system.
Background technology
Rise at present both at home and abroad the upsurge that one intelligent grid is built, and the intellectuality of to be also emphasis the be exactly power distribution network of the difficult point in intelligent grid development, wherein the construction of electrical power distribution automatization system is basis and the prerequisite of intelligent distribution network.Therefore, within nearly 2 years, domestic each grid company is carrying out the automatic improving of power distribution network on a large scale, builds corresponding electrical power distribution automatization system, thus the power supply reliability greatly improving electrical network, the interruption duration that reduces electric network fault rate, reduce user.In order to realize power distribution automation the function such as remote signalling, remote measurement, remote control need distribution website to build corresponding communication port between transformer station and scheduling institution, wherein " three is distant " distribution website (simultaneously possessing the website of remote signalling, remote measurement, distant control function) need adopt fiber optic cable communications mode, need build communications optical cable with 10kV (or 20kV) medium voltage power line.
At present, the route planning method for designing of the fiber cable network generally adopted is: the physical topology of the physical topology of optical cable and 10kV (or 20kV) medium voltage power line is consistent, namely power line how to get to, how to get to optical cable is also consistent to, the quantity (i.e. number) of optical cable and the quantity of length and power line and length substantially.
Although adopt the route planning method for designing embodiment of above-mentioned fiber cable network simple, but can the problem of serving be with in project implementing process, be mainly manifested in: power distribution network relative to the notable feature of power transmission network is, website covers wide, number of, lines is huge, if the physical topology of fiber cable network and power line physical topological coherence, the a fairly large number of situation of substation exit section (i.e. main line part) optical cable can be brought, cause transformer station without screen cabinet installing optical fibres distribution plant more than needed, cause the problem such as pore resource or shaft tower resource anxiety simultaneously; In addition, if the physical topology of fiber cable network and power line physical topological coherence, the structure bringing optical fiber communication circuit is reasonable not, causes the communication port reliability of electrical power distribution automatization system poor and expend too many substation equipment port resource.
Because power distribution network geographical distribution is wider, wide coverage, number of users is huge, result in the complicated structure of power distribution network, when realizing the automatic improving of power distribution network, often the structure of its fiber cable network adopts the network configuration basically identical with power distribution network, and the benefit done like this is that the route scheme simplicity of design of fiber cable network understands, does not need combing to analyze a large amount of distribution line geographical distribution relations.But its result brought is fiber cable network complex structure the same as power distribution network, maintenance workload is large, malfunction elimination difficulty.Also cause the wasting phenomenon of fiber resource simultaneously.
Utility model content
The purpose of this utility model is the deficiency overcoming above-mentioned prior art, proposes a kind of communications optical cable network configuration of electrical power distribution automatization system can being optimized, and make the laid condition of optical cable be easy to obtain, organizing of telecommunication circuit is more reliable, convenient.
An improved communication fiber cable network structure for electrical power distribution automatization system, the structure of communications optical cable network is independent of the grid structure of power distribution network; Optical cable on the power circuit main line of same paths is by fiber cable cross connection box or fibre distribution frame merger, through by overlap joint optical cable between the end points of the broken end optical cable on power circuit branch line; Like this, achieve main line merger, branch line is through, and the structural rate distribution net work structure of fiber cable network more simplifies, and the pipe trench resource that main line optic cable takies or shaft tower resource greatly reduce.
Transformer station in the same paths of electrical power distribution automatization system and the optical fiber communication between power distribution station become 1 or 2 optical cables to carry out optical fiber communication by fiber cable cross connection box or fibre distribution frame merger.The pipe trench resource that main line optic cable takies or shaft tower resource greatly reduce, substation exit end optical cable quantity greatly reduces, and can save a large amount of transformer station's optical fiber cable termination facilities, reduces engineering construction difficulty, have compressed a large amount of cable materials simultaneously, save construction investment.
The branch road circuit that two ends are not directly connected on geographical position, is connected by overlap joint optical cable and carries out optical fiber communication.Overlap joint optical cable utilizes the pipe trench resource of low-voltage power line or shaft tower resource to lay, and only the need fund that less input can improve the reliability of fiber cable network greatly, and the branch line distribution website that originally cannot realize communication port protection is achieved N-1 path protection.
Communication port is established by high-voltage electric power circuit between the transformer station of electrical power distribution automatization system; Only need the distribution website of the circuit of this electrical power distribution automatization system and other circuit distribution website to form hand-in-hand telecommunication circuit topology, just can be implemented in the information interaction communication port set up between distribution website and transformer station and there is defencive function.
More preferably, the structure of communications optical cable network is network, and structure is simple, for ease of maintenaince and detection failure.
More preferably, fibre distribution frame is the fibre distribution frame of distribution website in electrical power distribution automatization system, does not need to arrange fibre distribution frame again, utilizes existing fibre distribution frame in electrical power distribution automatization system, saves equipment.
Compare and prior art, the utility model has the following advantages: the utility model achieves the main line merger of electrical power distribution automatization system optical fiber communication, and branch line is through, greatly shortens cable length, investment reduction; Save the port resource of transformer station's optical fiber wiring equipment, also solve a difficult problem for screen cabinet position anxiety simultaneously; Reduce the pore resource or shaft tower resource that take needed for fiber cable laying; Fiber cable network is simplified, and reduces complexity and the workload of operation maintenance; Power distribution automation telecommunication circuit reliability is higher; Telecommunication circuit topological structure is simplified, and has both saved transformer substation communication device port resource, and make again the maintenance management of circuit more simple, troubleshooting is easier.
Accompanying drawing explanation
Fig. 1 is the improved communication fiber cable network structural representation of the utility model electrical power distribution automatization system.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of improved communication fiber cable network structure of electrical power distribution automatization system, the structure of communications optical cable network is independent of the grid structure of power distribution network, the grid structure of power distribution network is hub-and-spoke configuration, outwards radially centered by transformer station to transmit electric power, the structure of the utility model communications optical cable network is network, relatively independent with the grid structure of power distribution network, and the circuit of not following the grid structure of power distribution network is arranged; The optical cable of the power circuit main line of same paths is by fiber cable cross connection box 1 or fibre distribution frame 2 merger, through by overlap joint optical cable 3 (chain-dotted line in Fig. 1 represents overlap joint optical cable) between the end points of the broken end optical cable on power circuit branch line; Like this, achieve main line merger, branch line is through, and the structural rate distribution net work structure of fiber cable network more simplifies, and the pipe trench resource that main line optic cable takies or shaft tower resource greatly reduce.
Transformer station in the same paths of electrical power distribution automatization system and the optical fiber communication between power distribution station become 1 or 2 optical cables to carry out optical fiber communication by fiber cable cross connection box 1 or fibre distribution frame 2 merger.The pipe trench resource that main line optic cable takies or shaft tower resource greatly reduce, substation exit end optical cable quantity greatly reduces, and can save a large amount of transformer station's optical fiber cable termination facilities, reduces engineering construction difficulty, have compressed a large amount of cable materials simultaneously, save construction investment.
The branch road circuit that the end of two circuits is not directly connected on geographical position, is connected by overlap joint optical cable 3 and carries out optical fiber communication.Overlap joint optical cable 3 utilizes the pipe trench resource of low-voltage power line or shaft tower resource to lay, and only the need fund that less input can improve the reliability of fiber cable network greatly, and the branch line distribution website that originally cannot realize communication port protection is achieved N-1 path protection.The branch road circuit that the end of two circuits is directly connected on geographical position, can directly optical cable connection.
Communication port is established by high-voltage electric power circuit between the transformer station of electrical power distribution automatization system; Only need the distribution website of the circuit of this electrical power distribution automatization system and other circuit distribution website to form hand-in-hand telecommunication circuit topology, just can be implemented in the information interaction communication port set up between distribution website and transformer station and there is defencive function.
The structure of communications optical cable network is network, and structure is simple, is easy to detection failure and maintenance.
Fibre distribution frame is the fibre distribution frame of distribution website in electrical power distribution automatization system, does not need to arrange fibre distribution frame again, utilizes existing fibre distribution frame in electrical power distribution automatization system, saves equipment.
As shown in Figure 1, in the present embodiment, when same power line route need adopt the circuit of fiber optic cable communications mode reach 3 and above time, the fibre distribution frame utilizing distribution website to configure at the breakout of power circuit or 1 fiber cable cross connection box 1 is set, by the quantity of optical cable by 3 and be integrated into 1 or 2 above, namely realize main line merger, when same circuits line route need adopt the circuit of fiber optic cable communications mode be 2 and following time, the end of existing power circuit does not have other circuit to be directly connected with it, optical cable along line arrangement cannot extend to next transformer station, the reliability of fiber optic cable communications circuit is caused to can not get ensureing, the present embodiment needs by overlap joint optical cable 3, overlap joint optical cable 3 lays along low-voltage power line, line cable is interconnected communication, thus realize being open to traffic of optical cable, distribution website on circuit can be communicated from both direction with transformer station simultaneously, accomplish that N-1 protects, realize branch line through.
Below be only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (6)
1. an improved communication fiber cable network structure for electrical power distribution automatization system, is characterized in that, the structure of communications optical cable network is independent of the grid structure of power distribution network; Optical cable on the power circuit main line of same paths is by fiber cable cross connection box or fibre distribution frame merger, through by overlap joint optical cable between the end points of the broken end optical cable on power circuit branch line.
2. the improved communication fiber cable network structure of a kind of electrical power distribution automatization system according to claim 1, it is characterized in that, the transformer station in the same paths of electrical power distribution automatization system and the optical fiber communication between power distribution station become 1 or 2 optical cables to carry out optical fiber communication by fiber cable cross connection box or fibre distribution frame merger.
3. the improved communication fiber cable network structure of a kind of electrical power distribution automatization system according to claim 1, is characterized in that the branch road circuit that two ends are not directly connected on geographical position, is connected carries out optical fiber communication by overlap joint optical cable.
4. the improved communication fiber cable network structure of a kind of electrical power distribution automatization system according to claim 1, is characterized in that, the structure of described communications optical cable network is network.
5. the improved communication fiber cable network structure of a kind of electrical power distribution automatization system according to claim 1, is characterized in that, described fibre distribution frame is the fibre distribution frame of distribution website in electrical power distribution automatization system.
6. the improved communication fiber cable network structure of a kind of electrical power distribution automatization system according to claim 1, is characterized in that, described overlap joint optical cable is arranged based on the pipe trench resource of low-voltage power line or shaft tower resource.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420659537.4U CN204290974U (en) | 2014-11-07 | 2014-11-07 | A kind of improved communication fiber cable network structure of electrical power distribution automatization system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420659537.4U CN204290974U (en) | 2014-11-07 | 2014-11-07 | A kind of improved communication fiber cable network structure of electrical power distribution automatization system |
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| CN204290974U true CN204290974U (en) | 2015-04-22 |
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| CN201420659537.4U Active CN204290974U (en) | 2014-11-07 | 2014-11-07 | A kind of improved communication fiber cable network structure of electrical power distribution automatization system |
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