CN206114963U - Four ripples of single fiber are eight to transmission converter - Google Patents
Four ripples of single fiber are eight to transmission converter Download PDFInfo
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- CN206114963U CN206114963U CN201620999398.9U CN201620999398U CN206114963U CN 206114963 U CN206114963 U CN 206114963U CN 201620999398 U CN201620999398 U CN 201620999398U CN 206114963 U CN206114963 U CN 206114963U
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Abstract
The utility model discloses a four ripples of single fiber are eight to transmission converter, including first circulator, second circulator, third circulator, fourth circulator, four ripples wavelength division multiplexer, the transmitting terminal of a first system is connected to the receiving terminal of first circulator, and the receiving terminal of first system is connected to the transmitting terminal of first circulator, the transmitting terminal of a second system is connected to the receiving terminal of second circulator, and the receiving terminal of second system is connected to the transmitting terminal of second circulator, the transmitting terminal of a third system is connected to the receiving terminal of third circulator, and the receiving terminal of third system is connected to the transmitting terminal of third circulator, the transmitting terminal of a fourth system is connected to the receiving terminal of fourth circulator, and the receiving terminal of fourth system is connected to the transmitting terminal of fourth circulator, the common port of the common port of first circulator, the common port of second circulator, third circulator and the common port of fourth circulator all are connected with four ripples wavelength division multiplexer. Comparing the single wave systems interconnected system independent operation of four double fiber and saving seven optic fibre, optic fibre use cost is lower.
Description
Technical field
The utility model is related to optic communication transmitting device, more particularly to the ripple eight of single fiber four to transmission converter.
Background technology
With the implementation developed rapidly with " light entering and copper back " of optic communication, the optical fiber cable for being used is more and more.In order to
Solve some areas optical fiber situation in short supply and make full use of existing fiber resource, some new technologies and new product are successive
Occur.It is exactly one of them using the single fiber double wave transmission of wavelength-division multiplex technique.This system passes through two using an optical fiber
Wavelength transmission two-way signaling, it saves an optical fiber with the systematic comparison of conventional unicast double fibres.Except using wavelength-division multiplex skill
Outside the single fiber double wave system of art, an also class is the single fiber unicast Transmission system for only using a wavelength, and this kind of system is using single
The double fine transmission of double fine unicast systems is converted into single fiber bi-directional transmission by fine bidirectional transmission converter.With conventional single fiber double wave system
System compares it and saves an optical fiber.There is a class now in addition based on wavelength-division multiplex technique and the double fibre transmission technologys of single fiber unicast
Single fiber bi-directional transmission converter (dual wavelength).This kind of single fiber bi-directional transmission converter (dual wavelength) one of which can simultaneously by two
The signal of double fibre unicast systems of individual different wave length carries out four-way transmission by an optical fiber.With the double fibre system ratios of conventional unicast
Three optical fiber are saved compared with it；Simultaneously the signal of two single fiber double wave systems can be carried out into four-way biography by an optical fiber second
It is defeated.It saves an optical fiber with conventional double fibre unicasts systematic comparison；Also one kind be can simultaneously by single fiber double wave system and
Double fibre systems of one different wave length carry out four-way transmission by an optical fiber.With conventional double wave single fiber systems and single fiber double wave
Systematic comparison it save two optical fiber.The class single fiber four-way transmission technology of the above three corresponding patent and product.Above-mentioned product
Product are in short supply and make full use of fiber resource to get up positive effect to solving some areas optical fiber.But with the development of optic communication
With the demand of light entering and copper back, it is desirable to transmit more signals on an optical fiber.Now, simultaneous transmission three on the another root optical fiber of energy
Patent right has been researched and developed successfully and achieved to the single fiber six of the double fibre system signals of unicast to transmission converter, same on the another root optical fiber of energy
When transmit the double fibre system signals of unicast and the six of two double wave single fiber signals and also research and develop successfully simultaneously to single fiber transmission converter
Achieve invention patent mandate.Under the overall situation being evolving, six to single fiber transmission converter can not be met by people, single
Fine four ripples eight are to transmission converter into new R＆D direction.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide the ripple eight of single fiber four to transmission conversion
Device, its optical fiber use cost is lower.
The purpose of this utility model employs the following technical solutions realization：
The ripple eight of single fiber four to transmission converter, including the first circulator, the second circulator, the 3rd circulator, the 4th go in ring
Device, four ripple wavelength division multiplexers；The receiving terminal of the first circulator connects the transmitting terminal of a first system, the transmitting terminal of the first circulator
The receiving terminal of connection the first system；The receiving terminal of the second circulator connects the transmitting terminal of a second system, and the second circulator is sent out
Sending end connects the receiving terminal of second system；The receiving terminal of the 3rd circulator connects the transmitting terminal of one the 3rd system, the 3rd circulator
Transmitting terminal connect the 3rd system receiving terminal；The receiving terminal of the 4th circulator connects the transmitting terminal of one the 4th system, Fourth Ring
The transmitting terminal of row device connects the receiving terminal of the 4th system；The common port of the first circulator, the common port of the second circulator, the 3rd ring
The common port of the common port of row device and the 4th circulator is connected with four ripple wavelength division multiplexers.
Preferably, the first circulator and the corresponding wavelength of the first system are 1610nm；Second circulator and second system
Corresponding wavelength is 1590nm；3rd circulator and the corresponding wavelength of the 3rd system are 1570nm；4th circulator and
The corresponding wavelength of four systems is 1550nm.
Preferably, the first system, second system, the 3rd system and the corresponding wavelength of the 4th system are 1310nm.
Preferably, also including the first smooth electrical to optical converter, the second smooth electrical to optical converter, the 3rd smooth electrical to optical converter and the 4th
Light electrical to optical converter；The receiving terminal of first circulator connects the transmitting terminal of the first system by the first smooth electrical to optical converter,
The transmitting terminal of the first circulator connects the receiving terminal of the first system by the first smooth electrical to optical converter；The receiving terminal of the second circulator
The transmitting terminal of second system is connected by the second smooth electrical to optical converter, the transmitting terminal of the second circulator passes through the second smooth electro-optic conversion
Device connects the receiving terminal of second system；The receiving terminal of the 3rd circulator connects sending out for the 3rd system by the 3rd smooth electrical to optical converter
Sending end, the transmitting terminal of the 3rd circulator connects the receiving terminal of the 3rd system by the 3rd smooth electrical to optical converter；4th circulator
Receiving terminal connects the transmitting terminal of the 4th system by the 4th smooth electrical to optical converter, and the transmitting terminal of the 4th circulator passes through the 4th photoelectricity
Photoconverter connects the receiving terminal of the 4th system；
It is 1610nm that the first smooth electrical to optical converter is used for the wavelength convert of the first system；Second smooth electrical to optical converter
For by the wavelength convert of second system be 1590nm；3rd smooth electrical to optical converter is used for
1570nm；It is 1550nm that 4th smooth electrical to optical converter is used for the wavelength convert of the 4th system.
Compared to existing technology, the beneficial effects of the utility model are：
The utility model provide the ripple eight of single fiber four be to transmission converter a wavelength transmission both direction signal, four
The signal of individual wavelength transmission four systemses, identical wavelength its transmission energy is a times of CWDM technologies, fibre unicasts more double than four
Seven optical fiber are saved in system isolated operation, and optical fiber use cost is lower.
Description of the drawings
Fig. 1 is the system line graph of the ripple eight of single fiber four of the utility model embodiment one to transmission converter；
Fig. 2 is the system construction drawing of the ripple eight of single fiber four of the utility model embodiment one to transmission converter；
Fig. 3 is the system line graph of the ripple eight of single fiber four of embodiment of the present utility model two to transmission converter；
Fig. 4 is the system construction drawing of the ripple eight of single fiber four of embodiment of the present utility model two to transmission converter.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, the utility model is described further：
Embodiment one：
Referring to Fig. 1 and Fig. 2, the present embodiment provides a kind of ripple eight of single fiber four to transmission converter, including the first circulator, the
Two circulators, the 3rd circulator, the 4th circulator, four ripple wavelength division multiplexers；The receiving terminal of the first circulator connects one first
The transmitting terminal of system, the transmitting terminal of the first circulator connects the receiving terminal of the first system；The receiving terminal connection one the of the second circulator
The transmitting terminal of two system, the transmitting terminal of the second circulator connects the receiving terminal of second system；The receiving terminal connection of the 3rd circulator
The transmitting terminal of one the 3rd system, the transmitting terminal of the 3rd circulator connects the receiving terminal of the 3rd system；The receiving terminal of the 4th circulator
Connect the transmitting terminal of one the 4th system, the transmitting terminal of the 4th circulator connects the receiving terminal of the 4th system；The public affairs of the first circulator
Altogether the common port at end, the common port of the second circulator, the common port of the 3rd circulator and the 4th circulator is multiple with four ripple wavelength-divisions
Connected with device.
Four circulators that the utility model is adopted all are a kind of optical passive components, respectively with three ports, receiving terminal
For T ends, transmitting terminal is R ends, and common port is COM ends.When optical signal enters fashionable from T ends, the optical signal can only be exported from COM ends；
When optical signal enters fashionable from common port COM, optical signal can only be exported from R ends.According to the regulation of ITU-T, WDM presses wavelength channel
Interval is divided into CWDM (CWDM Coarse Wavelth Division Multiplexing) and DWDM, and (dense wavelength division is multiple
With Wavelength Division Multiplexing).The signal road of CWDM is at intervals of 20nm.The channel spacing of DWDM is
1.6nm, 0.8nm or 0.4nm.The corresponding wavelength of CWDM has 18：1270nm、1290nm、1310nm、1330nm、1350nm、
1370nm, 1390nm, 1410nm, 1430nm and 1450nm, 1470nm, 1490nm, 1510nm, 1530nm, 1550nm,
1570nm、1590nm、1610nm.The wavelength preferably taken in the utility model be 1550nm, 1570nm, 1590nm and
1610nm.May be configured as：First circulator and the corresponding wavelength of the first system are 1610nm；Second circulator and second system
Corresponding wavelength is 1590nm；3rd circulator and the corresponding wavelength of the 3rd system are 1570nm；4th circulator and
The corresponding wavelength of four systems is 1550nm.
One four ripple wavelength division multiplexer has five ports, and in fact four ports are gone in ring respectively with the first circulator, second
The connection of device, the 3rd circulator and the 4th circulator, another public port is with another ripple eight of single fiber four to transmission conversion
The public port connection of four ripple wavelength division multiplexers of device.The effect of four ripple wavelength division multiplexers is partial wave and closes ripple, i.e. 1550nm ripples
Long optical signal can only pass through between public port and 1550nm ports, the optical signal of 1570nm wavelength can only be in public port
And 1570nm ports between by the optical signal of, 1590nm wavelength can only between public port and 1590nm ports by and
The optical signal of 1610nm wavelength can only pass through between public port and 1610nm ports.The optical signal of four kinds of wavelength is from respective end
Mouth is entered and synthesizes a signal after four ripple wavelength division multiplexers from public port output (conjunction ripple), the optical signal containing four wavelength signals
The signal for entering each wavelength after wavelength division multiplexer from public port exports (partial wave) from the port of respective wavelength respectively.
Using when, generally have two ripples eight of single fiber four to use cooperatively to transmission converter, the ripple eight of one of single fiber four to
Four ripple wavelength division multiplexers of transmission converter connect four ripple wavelength division multiplexers of another ripple eight of single fiber four to transmission converter.One
As application there is A end systems and B end systems, A end systems then the first system at corresponding A end, second system, the 3rd system,
Four systems, the ripple eight of single fiber four to transmission converter, the first system at B end systems correspondence B ends, second system, the 3rd system, the 4th
System and another ripple eight of single fiber four are to transmission converter.
System A end and system B end are only contacted with an optical fiber, and operation principle is as follows：Sending out from the first system at system A end
The 1610nm optical signals that sending end sends enter the receiving terminal of the first circulator, and deliver to four ripple wavelength division multiplexers by common port
1610nm ports, the signal exports and sends into coupled system A ends and system B Jing after four ripple wavelength division multiplexers close ripple from public port
The simple optical fiber at end.Optical signal reach Jing after Optical Fiber Transmission the four ripple wavelength division multiplexers at system B end public port, by this four
Exported and into first circulator at system B end by the 1610nm ports of four ripple wavelength division multiplexers after the partial wave of ripple wavelength division multiplexer
Common port, the optical signal of 1610nm exported by R ends Jing after the first circulator and the first system into system B end reception
End, completes the signal transmission in first direction.The 1610nm optical signals sent by the first system at system B end enter system B end
The first circulator T-port after the 1610nm ports of four ripple wavelength division multiplexers are delivered to by the COM ends of the first circulator, light letter
Number the simple optical fiber at coupled system A ends and system B end is exported and sent into from public port Jing after four ripple wavelength division multiplexers close ripple.This
Signal is reached the public port of the four ripple wavelength division multiplexers at system A end Jing after Optical Fiber Transmission, is answered by the four ripple wavelength-divisions at system A end
The COM of the first circulator with being exported by the 1610nm ports of the four ripples wavelength division multiplexer after the partial wave of device and into system A end
End, the optical signal of 1610nm exported by R ends Jing after the first circulator and into R ports (reception) of the first system in system A end,
The signal transmission in second direction is completed, that is, the first system can transmit two-way signaling.
For the ripple eight of the utility model single fiber four is to other three circulators in transmission converter and other three
The operation principle of system is ibid.The whole ripple eight of single fiber four completes the transmission in eight directions to transmission converter.
Embodiment two：
At present most optical communication system is all that, using 1310nm wavelength, the present embodiment exists with the difference of embodiment one
In the first system, second system, the 3rd system and the corresponding wavelength of the 4th system are 1310nm.So that by 1310nm
Wavelength changed, the utility model adopts light electrical to optical converter, including the first smooth electrical to optical converter, the second smooth electro-optic conversion
Device, the 3rd smooth electrical to optical converter and the 4th smooth electrical to optical converter；The receiving terminal of first circulator is turned by the first smooth electric light
Parallel operation connects the transmitting terminal of the first system, and the transmitting terminal of the first circulator connects the first system by the first smooth electrical to optical converter
Receiving terminal；The receiving terminal of the second circulator connects the transmitting terminal of second system, the second circulator by the second smooth electrical to optical converter
Transmitting terminal connect the receiving terminal of second system by the second smooth electrical to optical converter；The receiving terminal of the 3rd circulator passes through the 3rd light
Electrical to optical converter connects the transmitting terminal of the 3rd system, and the transmitting terminal of the 3rd circulator is by the 3rd smooth electrical to optical converter connection the 3rd
The receiving terminal of system；The transmitting terminal that the receiving terminal of the 4th circulator passes through the 4th the 4th system of smooth electrical to optical converter connection, the 4th
The transmitting terminal of circulator connects the receiving terminal of the 4th system by the 4th smooth electrical to optical converter；First smooth electrical to optical converter is used for will
The wavelength convert of the first system is 1610nm；It is 1590nm that second smooth electrical to optical converter is used for the wavelength convert of second system；
It is 1570nm that 3rd smooth electrical to optical converter is used for the wavelength convert of the 3rd system；4th smooth electrical to optical converter is used for
The wavelength convert of system is 1550nm.
In fact, at system A end, when the first system sends over optical signal, wavelength is 1310nm, the first smooth electro-optic conversion
Device for 1610nm again exports the wavelength convert to the first circulator, and the first circulator is exported to four ripple wavelength division multiplexers, and is passed
That root optical fiber at connection system A end and system B end is transported to, at system B end, the optical signal of the 1610nm is through four ripple wavelength-division multiplex
1310nm is converted to again after device, the first circulator by the first smooth electrical to optical converter to export again into the first system.Other three
System is also same principle.
The ripple eight of single fiber four that the utility model is provided to the good performance indications of transmission converter participate in following table：
The ripple eight of single fiber four is the combination of isolation technology in EPON, optical coupling technology and light wavelength-division to transmission converter
Using, belonging to applied, innovative light passive product, it is with four single fiber double wave systems of transmission of an optical fiber just energy full duplex
Signal, that is, signal, the 1570nm wavelength of two different directions of the 1550nm wavelength of two different directions of simultaneous transmission
Signal, the signal of the 1590nm wavelength of two different directions and two 1610nm wavelength signals.The ripple eight of single fiber four to transmission turns
Parallel operation provides a transparent passage can to the signal of four systemses, and transfer rate is from 0～2.5Gbit/s continuous variables.It is not
With power supply, small volume, lightweight, good stability and install and use easy to maintenance, can be widely used in fiber communication link net, light
The construction and dilatation of fine integrated services network, Optical Access Network, Optical CATV and DTV optical networking, the node of Metropolitan Area Network (MAN) expands
Hold, the construction of LAN and emergency communication system.Use from the ripple eight of single fiber four to transmission converter to make full use of fiber resource,
Solve some areas optical fiber short supply state, the transformation of optical fiber transmission network and emergency first-aid repair etc. and will produce positive effect.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of the utility model claim
Within the scope of.
Claims (4)
1. the ripple eight of single fiber four is to transmission converter, it is characterised in that including the first circulator, the second circulator, the 3rd circulator,
4th circulator, four ripple wavelength division multiplexers；The receiving terminal of the first circulator connects the transmitting terminal of a first system, the first circulator
Transmitting terminal connect the first system receiving terminal；The receiving terminal of the second circulator connects the transmitting terminal of a second system, the second ring
The transmitting terminal of row device connects the receiving terminal of second system；The receiving terminal of the 3rd circulator connects the transmitting terminal of one the 3rd system, the
The transmitting terminal of three circulators connects the receiving terminal of the 3rd system；The receiving terminal of the 4th circulator connects the transmission of one the 4th system
End, the transmitting terminal of the 4th circulator connects the receiving terminal of the 4th system；The common port of the first circulator, the second circulator it is public
The common port of end, the common port of the 3rd circulator and the 4th circulator is connected with four ripple wavelength division multiplexers.
2. the ripple eight of single fiber as claimed in claim 1 four is to transmission converter, it is characterised in that the first circulator and the first system
Corresponding wavelength is 1610nm；Second circulator and the corresponding wavelength of second system are 1590nm；3rd circulator and
The corresponding wavelength of three systems is 1570nm；4th circulator and the corresponding wavelength of the 4th system are 1550nm.
3. the ripple eight of single fiber as claimed in claim 1 four is to transmission converter, it is characterised in that the first system, second system,
Three systems and the corresponding wavelength of the 4th system are 1310nm.
4. the ripple eight of single fiber as claimed in claim 3 four is to transmission converter, it is characterised in that also including the first smooth electro-optic conversion
Device, the second smooth electrical to optical converter, the 3rd smooth electrical to optical converter and the 4th smooth electrical to optical converter；The receiving terminal of first circulator
The transmitting terminal of the first system is connected by the first smooth electrical to optical converter, the transmitting terminal of the first circulator passes through the first smooth electro-optic conversion
Device connects the receiving terminal of the first system；The receiving terminal of the second circulator connects sending out for second system by the second smooth electrical to optical converter
Sending end, the transmitting terminal of the second circulator connects the receiving terminal of second system by the second smooth electrical to optical converter；3rd circulator
Receiving terminal connects the transmitting terminal of the 3rd system by the 3rd smooth electrical to optical converter, and the transmitting terminal of the 3rd circulator passes through the 3rd photoelectricity
Photoconverter connects the receiving terminal of the 3rd system；The receiving terminal of the 4th circulator connects the 4th by the 4th smooth electrical to optical converter
The transmitting terminal of system, the transmitting terminal of the 4th circulator connects the receiving terminal of the 4th system by the 4th smooth electrical to optical converter；
It is 1610nm that the first smooth electrical to optical converter is used for the wavelength convert of the first system；Second smooth electrical to optical converter is used for
It is 1590nm by the wavelength convert of second system；3rd smooth electrical to optical converter is used for
1570nm；It is 1550nm that 4th smooth electrical to optical converter is used for the wavelength convert of the 4th system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620999398.9U CN206114963U (en) | 2016-08-30 | 2016-08-30 | Four ripples of single fiber are eight to transmission converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620999398.9U CN206114963U (en) | 2016-08-30 | 2016-08-30 | Four ripples of single fiber are eight to transmission converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206114963U true CN206114963U (en) | 2017-04-19 |
Family
ID=58515159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620999398.9U Active CN206114963U (en) | 2016-08-30 | 2016-08-30 | Four ripples of single fiber are eight to transmission converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206114963U (en) |
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2016
- 2016-08-30 CN CN201620999398.9U patent/CN206114963U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Four ripples of single fiber are eight to transmission converter Effective date of registration: 20200630 Granted publication date: 20170419 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Tianhe branch Pledgor: GUANGZHOU INTELLIGENT TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2020440000173 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |