CN209949109U

CN209949109U - Electric power optical fiber multiplication system based on wavelength conversion technology

Info

Publication number: CN209949109U
Application number: CN201921361056.4U
Authority: CN
Inventors: 郑勋绩; 金英姿; 龙晓玲
Original assignee: Hangzhou East Czech Optical Communication Technology Co Ltd
Current assignee: Hangzhou East Czech Optical Communication Technology Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-01-14
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses an electric power optical fiber multiplication system based on wavelength conversion technique, including wavelength conversion module, close ripples module, wave module and power module, power module provides the electric energy for wavelength conversion module, and wavelength conversion module is connected with respectively and closes ripples module and wave module of resolving, close ripples module leading-in and have first colored optical module, wave module postposition has the colored optical module of second of resolving. The utility model discloses its reasonable in design has increased the transmission capacity of optic fibre, has avoided carrying out the optical cable construction or reforming transform for expanding transmission capacity, has promoted construction efficiency, has reduced the fund cost, can satisfy modern development demand more.

Description

Electric power optical fiber multiplication system based on wavelength conversion technology

Technical Field

The utility model relates to an electric power communication technology field especially relates to an electric power optical fiber multiplication system based on wavelength conversion technique.

Background

Over the years, power companies have built large-scale communication networks with high-speed fiber channels as the backbone. In the power system, a communication network provides a solid foundation for power production core services such as protection, safety control and scheduling, and a secondary network constructed by power communication becomes an important and critical component of the power system. However, in recent years, power companies have provided a serious test for existing power communication optical fiber networks for the full coverage of power grids and the accelerated construction of power facilities such as substations, and the like, wherein the reason that the optical fiber utilization rate is high is that various devices, such as relay protection, SDH transmission network, scheduling data network, data communication network, video monitoring system and the like, have been deployed at each communication station, and these services have occupied most of fiber core resources, and meanwhile, the large-scale application of the ubiquitous power internet of things of state grids companies in the future is considered, and projects such as the two-plane construction of the scheduling data network and the like are developed by each power company, while the existing power optical fiber networks are constructed based on the earlier 'twelve-five' communication network planning principle, and with the full construction and application of power grids, the situations of optical cable resource shortage and the like will certainly occur, and two solutions are adopted for the:

firstly, re-erecting the optical cable or carrying out technical transformation on the original in-transit optical cable, but the mode has more restriction factors, such as longer project implementation period and large capital investment;

secondly, the problem of the access of a roundabout route through the optical cables among other sites is solved, but the scheme brings along the problems of occupying the line optical cable resources of other sites and indirectly causing the resource shortage of other sites.

In summary, there is no technical device for the transmission capacity of the power optical fiber in the prior art, so that the development requirements of modern people cannot be met, and improvement is needed.

Disclosure of Invention

To the defect among the prior art, the utility model provides an electric power optical fiber multiplication system based on wavelength conversion technique, its reasonable in design has increased the transmission capacity of optic fibre, has avoided carrying out optical cable construction or transformation for expanding transmission capacity, has promoted construction efficiency, has reduced the fund cost, can satisfy modern development demand more.

In order to realize the purpose, the utility model adopts the technical scheme that:

the utility model provides an electric power optical fiber multiplication system based on wavelength conversion technique, includes wavelength conversion module, closes ripples module, separates ripples module and power module, and power module provides the electric energy for wavelength conversion module, and wavelength conversion module is connected with respectively closes ripples module and separates ripples module, close ripples module leading-in and have first colored optical module, separate and have the second colored optical module behind the ripples module. The utility model discloses wavelength conversion module carries out the colored wavelength conversion of one-to-one according to the initial wavelength of configuration with four biggest group's signals, the colored wavelength signal of four groups of wavelength conversion module output is sent to the ripples module that closes, and the ripples module that closes sends the receiving terminal through an optic fibre, the colored wavelength signal that the module of separating received is sent to wavelength conversion module, and wavelength conversion module carries out a pair of conversion reduction signal according to the configuration and is initial wavelength.

The wavelength conversion module comprises an optical/electrical conversion unit, a signal processing unit, a signal management unit, an electrical/optical conversion unit and a power supply unit, wherein the output end of the optical/electrical conversion unit is connected with the input end of the signal processing unit, the output end of the signal processing unit is connected with the input end of the electrical/optical conversion unit, the signal processing unit is connected with the signal management unit, the power supply unit provides electric energy for the optical/electrical conversion unit, the signal processing unit, the signal management unit and the electrical/optical conversion unit, the design is reasonable, the wavelength conversion module has the main functions of shaping, timing extraction and data regeneration of an electrical signal by an optical/electrical conversion unit, processing is carried out by the signal processing unit and the signal management unit, and finally, the processed data is converted into wavelength, dispersion, luminous power and other series by the electrical/optical conversion unit, the method comprises the steps of forming output optical signals, carrying out one-to-one color wavelength conversion on initial wavelengths of four groups of signals at maximum according to configuration by a signal processing unit of a wavelength conversion module, carrying out conversion configuration on external signal initial wavelengths by a signal management unit of the wavelength conversion module, and recording and storing the corresponding relation between the original wavelengths and the color wavelengths.

The wavelength conversion module adopts an ARM core-M4 microprocessor.

The power module is provided with a power module with two power supplies.

The wavelength conversion module, the wave combination module, the wave decomposition module and the power supply module are arranged in the shell.

At present, under the condition that no multiplication equipment is used, when four paths of services need to be transmitted, the transmission capacity of the optical fiber can not be directly increased for a transmitting end to be transmitted to a receiving end through eight cores (receiving/transmitting each core) of an optical cable, the four paths of services are connected into a first OEO module if the transmitting end accesses the four paths of services, the first OEO module is connected with a first color optical module arranged in front of a wave combining module, the first color optical module can correspond different wavelengths to different color optical modules, one-to-one conversion of service signals is converted into ordered wavelength signals to be input into the wave combining module (without a power supply), the wave combining module combines the four paths of signals into one path (2 cores, receiving/transmitting) and the opposite wave decomposing module without the power supply) and reduces the received one path of signals into four paths of ordered wavelength signals to be transmitted to a second OEO module, and the second OEO module restores the service signal wavelength one to one according to the configured second color optical module and transmits the service signal wavelength to a receiving end.

The utility model discloses an effective fruit: compared with the prior art, the utility model discloses a wavelength conversion module, the ripples module of combining, the module of separating and power module, power module provide the electric energy for wavelength conversion module, and wavelength conversion module is connected with respectively and combines ripples module and the module of separating, it has first colored optical module to close ripples module leading, separates ripples module leading and has the colored optical module of second, its reasonable in design, and simple structure can increase transmission capacity with electric power optic fibre in the use, has avoided carrying out the optical cable construction or reforming transform for expanding transmission capacity, has promoted construction efficiency, has reduced the capital cost, can satisfy modern development demand more.

Drawings

Fig. 1 is a schematic block diagram of the present invention.

Fig. 2 is a schematic diagram of the wavelength conversion module according to the present invention.

Fig. 3 is a schematic diagram of the connection between the signal processing unit and the signal management unit according to the present invention.

Fig. 4 is a schematic diagram illustrating transmission of four paths of traffic needs in the prior art.

Fig. 5 is a schematic diagram of transmission requirements of four paths of services according to an embodiment of the present invention.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1 and 2, as shown in the figures, an electric power optical fiber multiplication system based on a wavelength conversion technology includes a wavelength conversion module 1, a wave combination module 2, a wave decomposition module 3 and a power supply module 4, where the power supply module 4 supplies electric energy to the wavelength conversion module 1, the wavelength conversion module 1 is connected to the wave combination module 2 and the wave decomposition module 3 respectively, a first color optical module is disposed in front of the wave combination module 2, a second color optical module is disposed behind the wave decomposition module 3, the wavelength conversion module 1 performs one-to-one color wavelength conversion on initial wavelengths of maximum four groups of signals according to configuration, four groups of color wavelength signals output by the wavelength conversion module 1 are transmitted to the wave combination module 2, the wave combination module 2 is transmitted to a receiving end through one optical fiber, color wavelength signals received by the wave decomposition module 3 are transmitted to the wavelength conversion module 1, the wavelength conversion module 1 performs one-to-one conversion and reduction signals as initial wavelengths according to configuration, the wavelength conversion module 1 comprises an optical/electrical conversion unit 11, a signal processing unit 12, a signal management unit 13, an electrical/optical conversion unit 14 and a power supply unit 15, wherein the output end of the optical/electrical conversion unit 11 is connected with the input end of the signal processing unit 12, the output end of the signal processing unit 12 is connected with the input end of the electrical/optical conversion unit 14, the signal processing unit 12 is connected with the signal management unit 13, the power supply unit 15 supplies electric energy for the optical/electrical conversion unit 11, the signal processing unit 12, the signal management unit 13 and the electrical/optical conversion unit 14, the design is reasonable, the wavelength conversion module 1 mainly has the functions of shaping, timing extraction and data regeneration of an electrical signal by an optical signal through the optical/electrical conversion unit 11 (O/E), and processing is carried out through the signal processing unit 12 and the signal management unit 13, finally, the processed data is converted into wavelength, dispersion, luminous power and other series through an electric/optical conversion unit 14 (E/O) to form an output optical signal, a signal processing unit 12 of the wavelength conversion module 1 performs one-to-one color wavelength conversion on the initial wavelengths of the maximum four groups of signals according to the configuration, a signal management unit 13 of the wavelength conversion module 1 performs conversion configuration on the initial wavelengths of external signals and records and stores the corresponding relationship between the initial wavelengths and the color wavelengths, the wavelength conversion module 1 adopts an ARM cotex-M4 microprocessor, and the power module 4 is provided with a power module with a double-path power supply. In the utility model, the wavelength conversion module 1, the wave combination module 2, the wave decomposition module 3 and the power supply module 4 can be installed in the same shell, the wave combination module 2 and the wave decomposition module 3 adopt passive devices, single-fiber bidirectional transmission and independent forming are adopted, tail fibers such as SC/PC, SC/FC and the like are used for carrying out two or more optical carrier signals with different wavelengths, the sending end is combined together through the wave combination module 2, the optical signals are coupled to the same optical fiber of an optical line for transmission, the receiving end separates the optical carriers with various wavelengths through the wave decomposition module 3 and sends the optical carriers to the wavelength conversion module 1 for further processing so as to recover original signals, the power supply module 4 ensures that the equipment safety reaches the standard of telecom level safety through a dual-power protection mode, the diode rectification characteristic is that each power supply works independently and two groups of power supply systems are combined, therefore, a real dual-power system is formed, the two groups of high-frequency switches are mutually independent and provided with respective power systems and control systems, when one group of power switches fails, the work of the other group of switching power supplies is not influenced, the nondestructive switching is realized, the normal transmission of information is ensured, and the equipment is also prevented from being damaged due to power supply. The utility model discloses well ripples module 2, the ripples module of separating 3 and power module 4 are the parts commonly used (therefore no longer specifically give consideration to repeatedly).

The utility model discloses well signal processing unit 12 has mainly adopted ALTERA (ALTERA) cycle IV to be the series products that can programme of core, its mainly formation and the processing function of accomplishing data, Altera cycle IV FPGA has expanded the leading advantage of cycle FPGA series, for market provides the cost minimum, the consumption is minimum and have the FPGA of transceiver, cycle IV FPGA series is fit for using in batches sensitive to the cost, the cost is reduced simultaneously, this series is including having 8 integrated 3.125-Gbps transceiver's cycle IV GX FPGA, be applicable to the cycle IVE FPGA that multiple general logic was used. The parameters mainly have the following characteristics: 1. the cost is reduced, all the Cyclone IV FPGAs only need two paths of power supplies for power supply, a power supply distribution network is simplified, the cost of a circuit board is reduced, the area of the circuit board is reduced, the design time is shortened, for the Cyclone IV GX FPGA, the cost is further reduced, an integrated transceiver is introduced into a front-edge low-power consumption Cyclone IV FPGA system structure, the design and integration of the circuit board are simplified, the cost is reduced, all available resources of the transceiver can be fully utilized by utilizing a flexible transceiver clock system structure, multiple protocols are realized, and devices with smaller volume and lower cost can be designed by utilizing the flexibility and high integration characteristics of the Cyclone IV GX FPGA, so that the total cost of the system is reduced; 2. the power consumption is reduced, namely an optimized 60-nm low-power consumption process is adopted, the Cyclone IV E FPGA expands the low-power consumption advantage of the previous generation of Cyclone IIIFPGA, the core voltage of the latest generation of devices is reduced, the total power consumption is reduced by 25% compared with the previous generation of products, and the PCI Express with the power consumption of less than 1.5W to gigabit Ethernet bridging application can be developed by adopting the Cyclone IV GX transceiver FPGA; 3. the integrated transceiver, namely the Cyclone IV GX FPGA adopts the mature GX transceiver technology of Altera, has superior jitter performance and excellent signal integrity, the PCI-SIG compatible transceiver model supports a plurality of serial protocols, and the Cyclone IV GX FPGA provides a unique hardmac intellectual property module for PCI Express x1, x2 and x4 configured by root ports and end points.

The utility model discloses well signal management unit 13 is the administrative unit with ARM cotex-M4 microprocessor series products as the core, and the main function is as follows: 1. the high-performance 32-bit CPU, the deterministic operation and the low-delay 3-stage pipeline can reach 1.25 DMIPS/MHz; 2. an optimum mix of 16/32-bit instructions, a code size less than 3 times that of an 8-bit device, no negative impact on performance, providing optimum code density; 3. a low power mode, integrated sleep state support, multiple power domains, architecture-based software control; 4. the interrupt service routine is written in pure C language, does not need assembly programming and can complete excellent interrupt processing; 5. extensive third party tool support, Cortex Microcontroller Software Interface Standard (CMSIS), maximizing software effort reuse; 6. storing and managing configuration data; 7. and managing an LED display lamp on the appearance of the equipment. The ARMCortex-M4 processor core is developed on the basis of a Cortex-M3 core, floating points, DSPs, parallel computing and the like are newly added to meet the digital signal control market which needs effective and easy-to-use mixed control and signal processing functions, the high-efficiency signal processing function of the ARMCortex-M4 processor core is combined with the advantages of low power consumption, low cost and easy use of a Cortex-M processor series, and the Cortex-M4 provides incomparable functions and integrates 32-bit control and a leading digital signal processing technology to meet the market which needs a very high energy efficiency level. As shown in fig. 3, the SNMP agent 131 and the command line 132, which are components of the ARM Cortex-M4 microprocessor, are controlled by the control platform 133 and provide two management interfaces for a user at the same time, the SNMP agent 131 is mainly used for SNMP network management and is a main interface for NMS network management access control in application, the FTP server 134 provides access to a big data file in cooperation with the NMS network management of the SNMP agent 131 to make up for the deficiency of the SNMP network management for data transmission of a large capacity pipe, the command line 132 mainly provides a command line interface for the user, through which the user can query and configure equipment and can conveniently debug the system, and the ARM Cortex-M4 microprocessor is connected with the signal management unit 13 itself.

The present invention is provided with the optical/electrical conversion unit 11, the electrical/optical conversion unit 14, and the power supply unit 15 as common components (which are not described in detail).

As shown in fig. 4, in the case that no multiplier is used currently, when there are four paths of services to be transmitted, the transmitting end directly transmits the signals to the receiving end through eight cores (receiving/transmitting cores) of the optical cable, and the optical fiber transmission capacity of the transmitting end cannot directly increase the transmission capacity of the optical fiber, as shown in fig. 5, the present invention provides a method for switching in four paths of services by the transmitting end, saving the four paths of services into a first OEO module, which is connected with a first color optical module disposed in front of a combining module 2, the first color optical module can convert different color optical modules to different wavelengths, converting service signals into ordered wavelength signals one-to-one and inputting the ordered wavelength signals into the combining module 2 (without power supply), the combining module 2 combines the four paths of signals into one path (2 cores, receiving/transmitting) and the opposite wave-splitting module 3 without power supply) to reduce the received one path of signals into signals with four paths of ordered wavelengths, and the second OEO module transmits the service signal wavelength to a receiving end according to the configured one-to-one restoration service signal wavelength of the second color optical module, so that the transmission capacity can be directly increased by the optical fiber, the optical cable construction or transformation for expanding the transmission capacity is avoided, the construction efficiency is improved, the capital cost is reduced, and the modern development requirements can be met.

The utility model discloses constantly impel along with the electric power company ubiquitous electric wire netting cover construction, combine electric power company communication network actual conditions, the effective utilization of ubiquitous power network layer optic fibre core resource is realized in the expansion application of the electric power optical fiber multiplication technique of accessible wavelength conversion technique to promote communication network fiber channel operational reliability.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.

Claims

1. A power optical fiber multiplication system based on a wavelength conversion technology is characterized in that: the device comprises a wavelength conversion module (1), a wave combination module (2), a wave decomposition module (3) and a power module (4), wherein the power module (4) provides electric energy for the wavelength conversion module (1), the wavelength conversion module (1) is respectively connected with the wave combination module (2) and the wave decomposition module (3), a first colored optical module is arranged in front of the wave combination module (2), and a second colored optical module is arranged behind the wave decomposition module (3).

2. The power optical fiber multiplication system based on the wavelength conversion technology as claimed in claim 1, wherein the wavelength conversion module (1) comprises an optical/electrical conversion unit, a signal processing unit, a signal management unit, an electrical/optical conversion unit and a power supply unit, wherein the output end of the optical/electrical conversion unit is connected with the input end of the signal processing unit, the output end of the signal processing unit is connected with the input end of the electrical/optical conversion unit, the signal processing unit is connected with the signal management unit, and the power supply unit supplies electric energy to the optical/electrical conversion unit, the signal processing unit, the signal management unit and the electrical/optical conversion unit.

3. The power optical fiber multiplication system based on the wavelength conversion technology as claimed in claim 1, wherein the wavelength conversion module (1) employs an ARM core-M4 microprocessor.

4. The power optical fiber multiplication system based on the wavelength conversion technology as claimed in claim 1, wherein the power supply module (4) is provided with a power supply module with a two-way power supply.

5. The electric power optical fiber multiplication system based on the wavelength conversion technology is characterized in that the wavelength conversion module (1), the wave combination module (2), the wave decomposition module (3) and the power supply module (4) are installed in a shell.