CN207218710U - Ship ground fibre-optic transmission system (FOTS) - Google Patents
Ship ground fibre-optic transmission system (FOTS) Download PDFInfo
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- CN207218710U CN207218710U CN201721333363.2U CN201721333363U CN207218710U CN 207218710 U CN207218710 U CN 207218710U CN 201721333363 U CN201721333363 U CN 201721333363U CN 207218710 U CN207218710 U CN 207218710U
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Abstract
Fibre-optic transmission system (FOTS), is related to data transmission system technical field the utility model discloses a kind of ship.The Transmission system includes optical transmitter and receiver, ground optical transmitter and receiver, the first optical fiber slip ring, the second optical fiber slip ring and optical fiber on ship, optical transmitter and receiver includes wavelength convert card, opto-electronic conversion card and wavelength-division multiplex card on the ship, the ground optical transmitter and receiver includes ground optical transmitter and receiver board, the wavelength convert card and opto-electronic conversion card are connected with the wavelength-division multiplex card, the wavelength-division multiplex card is connected by two first optical fiber slip rings with one end of the optical fiber, and the ground optical transmitter and receiver board is connected by two second optical fiber slip rings with the other end of the optical fiber.The system is carried out data transmission using optical fiber, has the advantages of transmission speed is fast.
Description
Technical field
It the utility model is related to data transmission system technical field, more particularly to a kind of ship ground fibre-optic transmission system (FOTS).
Background technology
The data transfer between ship ground is generally adopted by Ethernet, Serial Port Line etc. in the prior art, the biography between data
Defeated speed is slower, it is impossible to meets the quick transmission demand of data.
Utility model content
Technical problem to be solved in the utility model is that optical fiber passes with how providing a kind of fast ship of data transmission bauds
Defeated system.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of ship ground fibre-optic transmission system (FOTS),
It is characterized in that：Including optical transmitter and receiver, ground optical transmitter and receiver, the first optical fiber slip ring, the second optical fiber slip ring and optical fiber on ship, on the ship
Optical transmitter and receiver includes wavelength convert card, opto-electronic conversion card and wavelength-division multiplex card, and the ground optical transmitter and receiver includes ground optical transmitter and receiver plate
Card, the wavelength convert card and opto-electronic conversion card are connected with the wavelength-division multiplex card, and the wavelength-division multiplex card passes through two institutes
One end that the first optical fiber slip ring is stated with the optical fiber is connected, and the ground optical transmitter and receiver board passes through two second optical fiber slip rings
It is connected with the other end of the optical fiber.
Further technical scheme is：The wavelength convert card includes first to fourth photoelectric conversion module, ship on ship
First to fourth CWDM photoelectric conversion modules on upper first to fourth Drive Module and ship, the first photoelectric conversion module on ship
Input termination ship on first via wavelength be nm1300 optical signal, on the ship output end of the first photoelectric conversion module with
The input of the first Drive Module connects on the ship, and the output end of the first Drive Module is divided into two parts on the ship,
Part I is connected with the input of the first CWDM photoelectric conversion modules on ship, the first CWDM photoelectric conversion modules on the ship
Output end output wavelength is 1470nm CWDM optical signals, and the output end is connected with the input of the wavelength-division multiplex card, second
The differential signal of part output is connected through connector J2 with the input of the first FPGA in opto-electronic conversion card；
The optical signal that the second road wavelength on ship on the input termination ship of the second photoelectric conversion module is nm1300, the ship
The output end of upper second photoelectric conversion module is connected with the input of the second Drive Module on the ship, and second drives on the ship
The output end of dynamic device module is divided into two parts, and Part I is connected with the input of the 2nd CWDM photoelectric conversion modules on ship, institute
State the 2nd CWDM photoelectric conversion modules on ship output end output wavelength be 1490nm CWDM optical signals, the output end with it is described
The input connection of wavelength-division multiplex card, the differential signal of Part II output is through the first FPGA in connector J2 and opto-electronic conversion card
Input connection；
The optical signal that the 3rd road wavelength on ship on the input termination ship of the 3rd photoelectric conversion module is nm1300, the ship
The output end of upper 3rd photoelectric conversion module is connected with the input of the 3rd Drive Module on the ship, and the 3rd drives on the ship
The output end of dynamic device module is divided into two parts, and Part I is connected with the input of the 3rd CWDM photoelectric conversion modules on ship, institute
State the 3rd CWDM photoelectric conversion modules on ship output end output wavelength be 1510nm CWDM optical signals, the output end with it is described
The input connection of wavelength-division multiplex card, the differential signal of Part II output is through the first FPGA in connector J2 and opto-electronic conversion card
Input connection；
The optical signal that the 4th road wavelength on ship on the input termination ship of the 4th photoelectric conversion module is nm1300, the ship
The output end of upper 4th photoelectric conversion module is connected with the input of fourth drive module on the ship, 4 wheel driven on the ship
The output end of dynamic device module is divided into two parts, and Part I is connected with the input of the 4th CWDM photoelectric conversion modules on ship, institute
State the 4th CWDM photoelectric conversion modules on ship output end output wavelength be 1530nm CWDM optical signals, the output end with it is described
The input connection of wavelength-division multiplex card, the differential signal of Part II output is through the first FPGA in connector J2 and opto-electronic conversion card
Input connection；The wavelength convert card obtains 5V power supplys by connector J1, and is converted to by the first power supply chip
3.3V powers for the photoelectric conversion module.
Further technical scheme is：The opto-electronic conversion card includes optical transmitter and receiver RJ45 interfaces on ship, optical transmitter and receiver on ship
BNC connector, connector J1 and connector J2, the RJ45 joints are bi-directionally connected with the first Ethernet switch modules, and described
The input of the 5th Drive Module connects in the output end and ship of one Ethernet switch modules, the 5th driver on the ship
The output end of module is divided into two parts, and Part I is connected with the input of the 5th CWDM photoelectric conversion modules on ship, second
Divide and be connected with the first FPGA input, the output end output wavelength of the 5th CWDM photoelectric conversion modules is 1610nm on the ship
CWDM optical signals；The input termination PAL vision signals of the BNC connector, the output end of the BNC connector are adopted through the first video
Collection chip is connected with the first FPGA data input pin, control signal output and the video acquisition core of the first FPGA
The control terminal connection of piece；Input of the RS422 signals through the connector J2 and the first level switch module, the first level conversion
The output end of module is connected with the data input pin of the first FPGA, and CPCI data are through the bridge joint cores of the connector J1 and first
Piece is connected, and first bridging chip is bi-directionally connected with the FPGA, the 6th CWDM photoelectricity in the output end and ship of the FPGA
The input of modular converter connects, and the output end output wavelength of the 6th CWDM photoelectric conversion modules is 1550nm's on the ship
CWDM optical signals；The input input wavelength of the 7th CWDM photoelectric conversion modules is 1570nm CWDM optical signals on ship, described
The output end of the 7th CWDM photoelectric conversion modules is connected with the input of the FPGA on ship；8th CWDM opto-electronic conversion moulds on ship
The input input wavelength of block is 1590nm CWDM optical signals, on the ship output end of the 8th CWDM photoelectric conversion modules with
The input of the 6th Drive Module connects on ship, and the output end of the 6th Drive Module is divided into two parts on the ship, and first
Part is connected with the input of the first Ethernet switch modules, and Part II is connected with the input of the FPGA；Institute
The voltage needed for the modules in opto-electronic conversion card is stated to obtain from the connector J1 5V power conversions exported.
Further technical scheme is：The wavelength-division multiplex card includes the first CWDM CWDM modules.
Further technical scheme is：The ground optical transmitter and receiver board includes the 2nd CWDM CWDM modules, institute
The 2nd CWDM CWDM module is stated with the first CWDM CWDM modules on the wavelength-division multiplex card by optical fiber to connect
Connect；
The output end all the way of the 2nd CWDM CWDM modules is defeated with the CWDM photoelectric conversion modules of ground the first
Enter end connection, the output end of the first CWDM photoelectric conversion modules is connected with the input of the Drive Module of ground first, institute
The output end for stating the Drive Module of ground first is divided into two parts, the input of Part I and the photoelectric conversion module of ground first
Connection, Part II are connected with the 2nd FPGA input, output end and the photoelectricity of ground first of first Drive Module
The input connection of modular converter, the light that the output end output wavelength of the photoelectric conversion module of ground first is 1300nm are believed
Number；
The output end all the way of the 2nd CWDM CWDM modules is defeated with the CWDM photoelectric conversion modules of ground the 2nd
Enter end connection, the output end of the 2nd CWDM photoelectric conversion modules is connected with the input of the Drive Module of ground second, institute
The output end for stating the Drive Module of ground second is divided into two parts, the input of Part I and the photoelectric conversion module of ground second
Connection, Part II are connected with the 2nd FPGA input, output end and the photoelectricity of ground second of second Drive Module
The input connection of modular converter, the light that the output end output wavelength of the photoelectric conversion module of ground second is 1300nm are believed
Number；
The output end all the way of the 2nd CWDM CWDM modules is defeated with the CWDM photoelectric conversion modules of ground the 3rd
Enter end connection, the output end of the 3rd CWDM photoelectric conversion modules is connected with the input of the Drive Module of ground the 3rd, institute
The output end for stating the Drive Module of ground the 3rd is divided into two parts, the input of Part I and the photoelectric conversion module of ground the 3rd
Connection, Part II are connected with the 2nd FPGA input, output end and the photoelectricity of ground the 3rd of the 3rd Drive Module
The input connection of modular converter, the light that the output end output wavelength of the photoelectric conversion module of ground the 3rd is 1300nm are believed
Number；
The output end all the way of the 2nd CWDM CWDM modules is defeated with the CWDM photoelectric conversion modules of ground the 4th
Enter end connection, the output end of the 4th CWDM photoelectric conversion modules is connected with the input of ground fourth drive module, institute
The output end for stating ground fourth drive module is divided into two parts, the input of Part I and the photoelectric conversion module of ground the 4th
Connection, Part II are connected with the 2nd FPGA input, output end and the photoelectricity of ground the 4th of the fourth drive module
The input connection of modular converter, the light that the output end output wavelength of the photoelectric conversion module of ground the 4th is 1300nm are believed
Number；
The output end all the way of the 2nd CWDM CWDM modules is through the CWDM photoelectric conversion modules of ground the 5th and
Two FPGA input connection, the output end of the 2nd FPGA are connected through the first protocol conversion chip with RS422 interfaces J5,
Pci interface is bi-directionally connected with the second bridging chip, and second bridging chip is bi-directionally connected with the 2nd FPGA, the 2nd FPGA
Output end be connected with the input of the CWDM photoelectric conversion modules of ground the 6th, the output of the 6th CWDM photoelectric conversion modules
End is connected with the input of the 2nd CWDM CWDM modules；
Ground optical transmitter and receiver RJ45 joints are bi-directionally connected with the 2nd Ethernet switch modules, the 2nd Ethernet switches
The output end of module is connected with the input of the Drive Module of ground the 5th, the output end point of the Drive Module of ground the 5th
For two parts, Part I is connected with the input of the CWDM photoelectric conversion modules of ground the 7th, Part II and the 2nd FPGA's
Input connects, the output end of the 7th CWDM photoelectric conversion modules and the 2nd CWDM CWDM modules on the ship
Input connects, output end all the way and the CWDM photoelectric conversion modules of ground the 8th of the 2nd CWDM CWDM modules
Output end is connected, and the output end of the 8th CWDM photoelectric conversion modules is connected with the input of the Drive Module of ground the 6th,
The output end of 6th Drive Module is divided into the input company of two parts, Part I and the 2nd Ethernet switch modules
Connect, Part II is connected with the input of the 2nd FPGA；The data output end of 2nd FPGA and control output end
It is connected with the input of the second video chip, the output end of second video chip is connected with ground optical transmitter and receiver BNC connector；The
The module that two power supply chips are used to need in the ground optical transmitter and receiver provides power supply.
It is using beneficial effect caused by above-mentioned technical proposal：The fibre-optic transmission system (FOTS) is used for the multichannel on ship
The optical signal of electric signal and multichannel Same Wavelength is converted to CWDM（CWDM）Optical signal carry out wavelength-division multiplex, and pass through
Optical fiber slip ring and simple optical fiber are transferred to ground；The electric signal on ground can be converted to CWDM optical signal transmissions to ship simultaneously,
Realize single fiber bi-directional high-speed data communication, with improving ship between equipment data transfer speed.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the theory diagram of system described in the utility model embodiment；
Fig. 2 is the theory diagram of system medium wavelength transition card described in the utility model embodiment；
Fig. 3 is the theory diagram of opto-electronic conversion card in system described in the utility model embodiment；
Fig. 4 is the theory diagram of wavelength-division multiplex card in system described in the utility model embodiment；
Fig. 5 is the theory diagram of optical transmitter and receiver board in ground in system described in the utility model embodiment；
Wherein：1st, the first optical fiber slip ring 2, the second optical fiber slip ring 3, optical fiber.
Embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new
Type can also be different from other manner described here using other to be implemented, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case of new intension, therefore the utility model is not limited by following public specific embodiment.
The fibre-optic transmission system (FOTS) is a kind of high speed data transmission system, and it can be by the multi-channel electric signal and multichannel on ship
The optical signal of Same Wavelength is converted to CWDM（CWDM）Optical signal carry out wavelength-division multiplex, and pass through optical fiber slip ring and list
Root optical fiber is transferred to ground；The electric signal on ground can be converted to CWDM optical signal transmissions to ship simultaneously, realize single fiber bi-directional
High-speed data communication.
General function describes：
1）By the optical signal of upper 4 road Same Wavelength on ship（Wavelength is designated asBe converted to 4 road CWDM optical signals（Wavelength is distinguished
It is designated as、、With）And ground is transferred to, the optical signal of 4 road Same Wavelengths is recovered on ground；
2）By the descending CPCI signals of 1 road pal mode vision signal, 4 road RS422 signals and 1 road 32bits33MHz on ship
Be converted to 1 road CWDM optical signals（Wavelength is designated as）And ground is transferred to, 1 road pal mode vision signal, 4 are recovered on ground
The descending CPCI signals of road RS422 signals and 1 road 32bits33MHz；
3）The descending 100 m ethernet signal in upper 1 tunnel on ship is converted into 1 road CWDM optical signals（Wavelength is designated as）, and on ground
Face end recovers descending 100 m ethernet signal；
4）The 1 tunnel uplink CP CI signals on ground are converted into 1 road CWDM optical signals（Wavelength is designated as）And be transferred on ship,
1 tunnel uplink CP CI signals are recovered on aboard ship；
5) the up 100 m ethernet signal in 1 tunnel on ground is converted into 1 road CWDM optical signals（Wavelength is designated as）It is transferred to
On ship, and aboard ship on recover up 100 m ethernet signal；
6) by using wavelength-division multiplex technique, the single fiber bi-directional data of 6 road downlink optical signals and 2 road uplink optical signals are realized
Transmission；
7) aboard ship install optical fiber slip ring additional respectively with ground, discharge due to twisting force caused by relative rotation.
It is overall, as shown in figure 1, the utility model discloses a kind of ship optical transmitter and receiver on fibre-optic transmission system (FOTS), including ship,
Ground optical transmitter and receiver, the first optical fiber slip ring 1, the second optical fiber slip ring 2 and optical fiber 3.Optical transmitter and receiver includes wavelength convert card, light on the ship
Electric transition card and wavelength-division multiplex card, the ground optical transmitter and receiver include ground optical transmitter and receiver board, the wavelength convert card and light
Electric transition card is connected with the wavelength-division multiplex card, and the wavelength-division multiplex card passes through first optical fiber slip ring 1 and the optical fiber 3
One end is connected, and the ground optical transmitter and receiver board is connected by second optical fiber slip ring 2 with the other end of the optical fiber 3.
Wavelength convert card：
4 road wavelength on ship are by wavelength convert card=1300nm optical signal, be converted to 4 road CWDM optical signals（Wavelength
Respectively：=1470nm,=1490nm,=1510 nm,=1530 nm ）, deliver to wavelength-division multiplex card, theory diagram
As shown in Figure 2.
Specifically, the wavelength convert card includes first to fourth photoelectric conversion module on ship, first to fourth drive on ship
First to fourth CWDM photoelectric conversion modules in dynamic device module and ship, on ship on the input termination ship of the first photoelectric conversion module
First via wavelength be nm1300 optical signal, the output end of the first photoelectric conversion module is driven with the ship first on the ship
The input connection of dynamic device module, the output end of the first Drive Module is divided into two parts on the ship, Part I with ship
The input of first CWDM photoelectric conversion modules connects, the output end output wavelength of the first CWDM photoelectric conversion modules on the ship
For 1470nm CWDM optical signals, the output end is connected with the input of the wavelength-division multiplex card, the difference of Part II output
Signal is connected through connector J2 with the input of the first FPGA in opto-electronic conversion card；
The optical signal that the second road wavelength on ship on the input termination ship of the second photoelectric conversion module is nm1300, the ship
The output end of upper second photoelectric conversion module is connected with the input of the second Drive Module on the ship, and second drives on the ship
The output end of dynamic device module is divided into two parts, and Part I is connected with the input of the 2nd CWDM photoelectric conversion modules on ship, institute
State the 2nd CWDM photoelectric conversion modules on ship output end output wavelength be 1490nm CWDM optical signals, the output end with it is described
The input connection of wavelength-division multiplex card, the differential signal of Part II output is through the first FPGA in connector J2 and opto-electronic conversion card
Input connection；
The optical signal that the 3rd road wavelength on ship on the input termination ship of the 3rd photoelectric conversion module is nm1300, the ship
The output end of upper 3rd photoelectric conversion module is connected with the input of the 3rd Drive Module on the ship, and the 3rd drives on the ship
The output end of dynamic device module is divided into two parts, and Part I is connected with the input of the 3rd CWDM photoelectric conversion modules on ship, institute
State the 3rd CWDM photoelectric conversion modules on ship output end output wavelength be 1510nm CWDM optical signals, the output end with it is described
The input connection of wavelength-division multiplex card, the differential signal of Part II output is through the first FPGA in connector J2 and opto-electronic conversion card
Input connection；
The optical signal that the 4th road wavelength on ship on the input termination ship of the 4th photoelectric conversion module is nm1300, the ship
The output end of upper 4th photoelectric conversion module is connected with the input of fourth drive module on the ship, 4 wheel driven on the ship
The output end of dynamic device module is divided into two parts, and Part I is connected with the input of the 4th CWDM photoelectric conversion modules on ship, institute
State the 4th CWDM photoelectric conversion modules on ship output end output wavelength be 1530nm CWDM optical signals, the output end with it is described
The input connection of wavelength-division multiplex card, the differential signal of Part II output is through the first FPGA in connector J2 and opto-electronic conversion card
Input connection.
As shown in Fig. 2 giving the optical signal that 4 road wavelength are 1300nm to 4 common photoelectric conversion modules respectively, turn
It is changed to 4 pairs of differential electric signals；Differential electric signal carries out shaping and enhancing by driver respectively, gives 4 CWDM photoelectricity
Modular converter, obtains the CWDM optical signals of 4 road different wave lengths, and wavelength-division multiplex card is given by the perforate on board.From
CPCI connectors J1 obtains 5V power supplys, and be converted to 3.3V by power supply chip uses for photoelectric conversion module.
Opto-electronic conversion card：
Opto-electronic conversion card implements function such as：
First, CPCI buses down direction, pal mode vision signal and 4 road RS422 signals are converted into all the way
Wavelength is=1550 nm CWDM optical signals；
Second, be by wavelength=1570 nm CWDM optical signals are converted to electric signal, therefrom recover up
CPCI signals；
3rd, be by wavelength=1590 nm CWDM optical signals are converted to up 100 m ethernet signal, will be descending
100 m ethernet signal is converted to wavelength=1610 nm CWDM optical signals.
The theory diagram of opto-electronic conversion card is as shown in Fig. 3, specifically, the opto-electronic conversion card includes optical transmitter and receiver on ship
Optical transmitter and receiver BNC connector, connector J1 and connector J2, RJ45 joints and the first the Ethernet switch on RJ45 interfaces, ship
Module is bi-directionally connected, and the input of the 5th Drive Module connects in the output end and ship of the first Ethernet switch modules
Connect, the output end of the 5th Drive Module is divided into two parts, Part I and the 5th CWDM opto-electronic conversion moulds on ship on the ship
The input connection of block, Part II are connected with the first FPGA input, the 5th CWDM photoelectric conversion modules on the ship
Output end output wavelength is 1610nm CWDM optical signals；The input termination PAL vision signals of the BNC connector, the BNC connect
The output end of head is connected through the first video capture processor with the first FPGA data input pin, the control signal of the first FPGA
Output end is connected with the control terminal of the video capture processor；RS422 signals are through the connector J2 and the first level conversion mould
The input of block, the output end of the first level switch module are connected with the data input pin of the first FPGA, CPCI data warp
The connector J1 is connected with the first bridging chip, and first bridging chip is bi-directionally connected with the FPGA, the FPGA's
Output end is connected with the input of the 6th CWDM photoelectric conversion modules on ship, and the 6th CWDM photoelectric conversion modules is defeated on the ship
Go out to hold the CWDM optical signals that output wavelength is 1550nm；The input input wavelength of the 7th CWDM photoelectric conversion modules is on ship
1570nm CWDM optical signals, the output end of the 7th CWDM photoelectric conversion modules and the input of the FPGA connect on the ship
Connect；The input input wavelength of the 8th CWDM photoelectric conversion modules is 1590nm CWDM optical signals on ship, the 8th on the ship
The input of the 6th Drive Module connects in the output end and ship of CWDM photoelectric conversion modules, the 6th driver mould on the ship
The output end of block is divided into two parts, and Part I is connected with the input of the first Ethernet switch modules, Part II
It is connected with the input of the FPGA.
As shown in figure 3, in the downstream direction, the vision signal of PAL standards samples by video capture processor, then send
Enter FPGA, RS422 signals pass through the conversion of level switch module, become single ended data and are sent into FPGA, CPCI data are through passing a bridge
Connect chip and enter FPGA, these data are packed in FPGA, be converted into differential electric signal and give CWDM photoelectricity moulds
Block, obtain descending CWDM optical signals.Ethernet down direction data pass through chips of Ethernet exchange, are converted to difference
Electric signal, then by CWDM photoelectric conversion modules, be converted to。
In the upstream direction, optical signalDifferential electric signal, which is converted to, by CWDM photoelectric conversion modules gives FPGA,
Uplink CP CI signals are converted to by PCI bridging chips.Optical signalDifference is obtained by CWDM photoelectric conversion modules
Electric signal, then it is converted into by chips of Ethernet exchange the upward signal of 100 m ethernet.
4 road optical signals are connected by the perforate of board with the Coarse Wave Division Multiplexer on wavelength-division multiplex card.Each chip and photoelectricity
The 5V of voltage needed for modular converter from CPCI J1 connectors converts to obtain.
Wavelength-division multiplex card：
The wavelength-division multiplex that wavelength-division multiplex card is used for the CWDM optical signals of 8 road different wave lengths conciliates wavelength-division multiplex.Wavelength-division
The block diagram of card is multiplexed as shown in Fig. 4, including the first CWDM CWDM modules.The optical signal of 8 road different wave lengths passes through thick ripple
It can be transmitted after division multiplexer by simple optical fiber.
Ground optical transmitter and receiver
Ground optical transmitter and receiver is made up of one piece of 6U CPCI board, is mainly used in recovering from the optical signal of simple optical fiber
8 road CWDM optical signals, and required signal form is converted to according to demand.Theory diagram is as shown in Fig. 5.
Specifically, the ground optical transmitter and receiver board includes the 2nd CWDM CWDM modules, the thick ripples of the 2nd CWDM
Multiplexing module is divided to be connected with the first CWDM CWDM modules on the wavelength-division multiplex card by optical fiber；
The output end all the way of the 2nd CWDM CWDM modules is defeated with the CWDM photoelectric conversion modules of ground the first
Enter end connection, the output end of the first CWDM photoelectric conversion modules is connected with the input of the Drive Module of ground first, institute
The output end for stating the Drive Module of ground first is divided into two parts, the input of Part I and the photoelectric conversion module of ground first
Connection, Part II are connected with the 2nd FPGA input, output end and the photoelectricity of ground first of first Drive Module
The input connection of modular converter, the light that the output end output wavelength of the photoelectric conversion module of ground first is 1300nm are believed
Number；
The output end all the way of the 2nd CWDM CWDM modules is defeated with the CWDM photoelectric conversion modules of ground the 2nd
Enter end connection, the output end of the 2nd CWDM photoelectric conversion modules is connected with the input of the Drive Module of ground second, institute
The output end for stating the Drive Module of ground second is divided into two parts, the input of Part I and the photoelectric conversion module of ground second
Connection, Part II are connected with the 2nd FPGA input, output end and the photoelectricity of ground second of second Drive Module
The input connection of modular converter, the light that the output end output wavelength of the photoelectric conversion module of ground second is 1300nm are believed
Number；
The output end all the way of the 2nd CWDM CWDM modules is defeated with the CWDM photoelectric conversion modules of ground the 3rd
Enter end connection, the output end of the 3rd CWDM photoelectric conversion modules is connected with the input of the Drive Module of ground the 3rd, institute
The output end for stating the Drive Module of ground the 3rd is divided into two parts, the input of Part I and the photoelectric conversion module of ground the 3rd
Connection, Part II are connected with the 2nd FPGA input, output end and the photoelectricity of ground the 3rd of the 3rd Drive Module
The input connection of modular converter, the light that the output end output wavelength of the photoelectric conversion module of ground the 3rd is 1300nm are believed
Number；
The output end all the way of the 2nd CWDM CWDM modules is defeated with the CWDM photoelectric conversion modules of ground the 4th
Enter end connection, the output end of the 4th CWDM photoelectric conversion modules is connected with the input of ground fourth drive module, institute
The output end for stating ground fourth drive module is divided into two parts, the input of Part I and the photoelectric conversion module of ground the 4th
Connection, Part II are connected with the 2nd FPGA input, output end and the photoelectricity of ground the 4th of the fourth drive module
The input connection of modular converter, the light that the output end output wavelength of the photoelectric conversion module of ground the 4th is 1300nm are believed
Number；
The output end all the way of the 2nd CWDM CWDM modules is through the CWDM photoelectric conversion modules of ground the 5th and
Two FPGA input connection, the output end of the 2nd FPGA are connected through the first protocol conversion chip with RS422 interfaces J5,
Pci interface is bi-directionally connected with the second bridging chip, and second bridging chip is bi-directionally connected with the 2nd FPGA, the 2nd FPGA
Output end be connected with the input of the CWDM photoelectric conversion modules of ground the 6th, the output of the 6th CWDM photoelectric conversion modules
End is connected with the input of the 2nd CWDM CWDM modules；
Ground optical transmitter and receiver RJ45 joints are bi-directionally connected with the 2nd Ethernet switch modules, the 2nd Ethernet switches
The output end of module is connected with the input of the Drive Module of ground the 5th, the output end point of the Drive Module of ground the 5th
For two parts, Part I is connected with the input of the CWDM photoelectric conversion modules of ground the 7th, Part II and the 2nd FPGA's
Input connects, the output end of the 7th CWDM photoelectric conversion modules and the 2nd CWDM CWDM modules on the ship
Input connects, output end all the way and the CWDM photoelectric conversion modules of ground the 8th of the 2nd CWDM CWDM modules
Output end is connected, and the output end of the 8th CWDM photoelectric conversion modules is connected with the input of the Drive Module of ground the 6th,
The output end of 6th Drive Module is divided into the input company of two parts, Part I and the 2nd Ethernet switch modules
Connect, Part II is connected with the input of the 2nd FPGA；The data output end of 2nd FPGA and control output end
It is connected with the input of the second video chip, the output end of second video chip is connected with ground optical transmitter and receiver BNC connector；The
The module that two power supply chips are used to need in the ground optical transmitter and receiver provides power supply.
As shown in figure 5, in the downstream direction, six road optical signals are separated from CWDM、、、、With,
Wherein、、With, carry out photoelectricity-electro-optic conversion respectively, become the optical signals of 4 road single wavelengths；FromIn recover
CPCI downstream signals, RS422 signals and pal mode vision signal, fromIn recover the downstream signal of 100 m ethernet.
In the upstream direction, up 100 m ethernet signal is converted into CWDM optical signals, and give thick wavelength-division and answer
Use device.By CPCI buses upward signal by PCI bridging chips, FPGA is given, differential electrical is converted to after data are packed
Signal gives CWDM photoelectric conversion modules, is converted to optical signal, and give Coarse Wave Division Multiplexer.
Claims (5)
- A kind of 1. ship ground fibre-optic transmission system (FOTS), it is characterised in that：Including optical transmitter and receiver, ground optical transmitter and receiver, the first optical fiber slip ring on ship （1）, the second optical fiber slip ring（2）And optical fiber（3）, optical transmitter and receiver includes wavelength convert card, opto-electronic conversion card and wavelength-division on the ship Multiplexing card, the ground optical transmitter and receiver include ground optical transmitter and receiver board, the wavelength convert card and opto-electronic conversion card and the ripple Divide multiplexing card connection, the wavelength-division multiplex card passes through two first optical fiber slip rings（1）With the optical fiber（3）One end connect Connect, the ground optical transmitter and receiver board passes through two second optical fiber slip rings（2）With the optical fiber（3）The other end connection.
- 2. ship as claimed in claim 1 ground fibre-optic transmission system (FOTS), it is characterised in that：The wavelength convert card is included first on ship First to fourth CWDM opto-electronic conversion moulds on first to fourth Drive Module and ship on to the 4th photoelectric conversion module, ship Block, the optical signal that the first via wavelength on ship on the input termination ship of the first photoelectric conversion module is nm1300, the on the ship The output end of one photoelectric conversion module is connected with the input of the first Drive Module on the ship, the first driver on the ship The output end of module is divided into two parts, and Part I is connected with the input of the first CWDM photoelectric conversion modules on ship, the ship The output end output wavelength of upper first CWDM photoelectric conversion modules is 1470nm CWDM optical signals, the output end and the wavelength-division Multiplexing card input connection, Part II output differential signal through connector J2 with opto-electronic conversion card the first FPGA it is defeated Enter end connection；The optical signal that the second road wavelength on ship on the input termination ship of the second photoelectric conversion module is nm1300, the on the ship The output end of two photoelectric conversion modules is connected with the input of the second Drive Module on the ship, the second driver on the ship The output end of module is divided into two parts, and Part I is connected with the input of the 2nd CWDM photoelectric conversion modules on ship, the ship The output end output wavelength of upper 2nd CWDM photoelectric conversion modules is 1490nm CWDM optical signals, the output end and the wavelength-division Multiplexing card input connection, Part II output differential signal through connector J2 with opto-electronic conversion card the first FPGA it is defeated Enter end connection；The optical signal that the 3rd road wavelength on ship on the input termination ship of the 3rd photoelectric conversion module is nm1300, the on the ship The output end of three photoelectric conversion modules is connected with the input of the 3rd Drive Module on the ship, the 3rd driver on the ship The output end of module is divided into two parts, and Part I is connected with the input of the 3rd CWDM photoelectric conversion modules on ship, the ship The output end output wavelength of upper 3rd CWDM photoelectric conversion modules is 1510nm CWDM optical signals, the output end and the wavelength-division Multiplexing card input connection, Part II output differential signal through connector J2 with opto-electronic conversion card the first FPGA it is defeated Enter end connection；The optical signal that the 4th road wavelength on ship on the input termination ship of the 4th photoelectric conversion module is nm1300, the on the ship The output end of four photoelectric conversion modules is connected with the input of fourth drive module on the ship, fourth drive on the ship The output end of module is divided into two parts, and Part I is connected with the input of the 4th CWDM photoelectric conversion modules on ship, the ship The output end output wavelength of upper 4th CWDM photoelectric conversion modules is 1530nm CWDM optical signals, the output end and the wavelength-division Multiplexing card input connection, Part II output differential signal through connector J2 with opto-electronic conversion card the first FPGA it is defeated Enter end connection；The wavelength convert card obtains 5V power supplys by connector J1, and is converted to 3.3V by the first power supply chip and is The photoelectric conversion module power supply.
- 3. ship as claimed in claim 1 ground fibre-optic transmission system (FOTS), it is characterised in that：The opto-electronic conversion card includes ship glazing end Optical transmitter and receiver BNC connector, connector J1 and connector J2, the RJ45 joints are opened with the first Ethernet on machine RJ45 interfaces, ship Close module to be bi-directionally connected, the input of the 5th Drive Module connects in the output end and ship of the first Ethernet switch modules Connect, the output end of the 5th Drive Module is divided into two parts, Part I and the 5th CWDM opto-electronic conversion moulds on ship on the ship The input connection of block, Part II are connected with the first FPGA input, the 5th CWDM photoelectric conversion modules on the ship Output end output wavelength is 1610nm CWDM optical signals；The input termination PAL vision signals of the BNC connector, the BNC connect The output end of head is connected through the first video capture processor with the first FPGA data input pin, the control signal of the first FPGA Output end is connected with the control terminal of the video capture processor；RS422 signals are through the connector J2 and the first level conversion mould The input of block, the output end of the first level switch module are connected with the data input pin of the first FPGA, CPCI data warp The connector J1 is connected with the first bridging chip, and first bridging chip is bi-directionally connected with the FPGA, the FPGA's Output end is connected with the input of the 6th CWDM photoelectric conversion modules on ship, and the 6th CWDM photoelectric conversion modules is defeated on the ship Go out to hold the CWDM optical signals that output wavelength is 1550nm；The input input wavelength of the 7th CWDM photoelectric conversion modules is on ship 1570nm CWDM optical signals, the output end of the 7th CWDM photoelectric conversion modules and the input of the FPGA connect on the ship Connect；The input input wavelength of the 8th CWDM photoelectric conversion modules is 1590nm CWDM optical signals on ship, the 8th on the ship The input of the 6th Drive Module connects in the output end and ship of CWDM photoelectric conversion modules, the 6th driver mould on the ship The output end of block is divided into two parts, and Part I is connected with the input of the first Ethernet switch modules, Part II It is connected with the input of the FPGA；The 5V that the voltage needed for modules in the opto-electronic conversion card exports from connector J1 Power conversion obtains.
- 4. ship as claimed in claim 1 ground fibre-optic transmission system (FOTS), it is characterised in that：The wavelength-division multiplex card includes the first CWDM CWDM module.
- 5. ship as claimed in claim 1 ground fibre-optic transmission system (FOTS), it is characterised in that：The ground optical transmitter and receiver board includes second CWDM CWDM modules, the 2nd CWDM CWDM module and the first thick ripples of CWDM on the wavelength-division multiplex card Multiplexing module is divided to be connected by optical fiber；The output end all the way of the 2nd CWDM CWDM modules and the input of the CWDM photoelectric conversion modules of ground the first Connection, the output end of the first CWDM photoelectric conversion modules are connected with the input of the Drive Module of ground first, describedly The output end of the Drive Module of face first is divided into two parts, and the input of Part I and the photoelectric conversion module of ground first connects Connect, Part II is connected with the 2nd FPGA input, and output end and the photoelectricity of ground first of first Drive Module turn The input connection of block is changed the mold, the output end output wavelength of the photoelectric conversion module of ground first is 1300nm optical signal；The output end all the way of the 2nd CWDM CWDM modules and the input of the CWDM photoelectric conversion modules of ground the 2nd Connection, the output end of the 2nd CWDM photoelectric conversion modules are connected with the input of the Drive Module of ground second, describedly The output end of the Drive Module of face second is divided into two parts, and the input of Part I and the photoelectric conversion module of ground second connects Connect, Part II is connected with the 2nd FPGA input, and output end and the photoelectricity of ground second of second Drive Module turn The input connection of block is changed the mold, the output end output wavelength of the photoelectric conversion module of ground second is 1300nm optical signal；The output end all the way of the 2nd CWDM CWDM modules and the input of the CWDM photoelectric conversion modules of ground the 3rd Connection, the output end of the 3rd CWDM photoelectric conversion modules are connected with the input of the Drive Module of ground the 3rd, describedly The output end of the Drive Module of face the 3rd is divided into two parts, and the input of Part I and the photoelectric conversion module of ground the 3rd connects Connect, Part II is connected with the 2nd FPGA input, and output end and the photoelectricity of ground the 3rd of the 3rd Drive Module turn The input connection of block is changed the mold, the output end output wavelength of the photoelectric conversion module of ground the 3rd is 1300nm optical signal；The output end all the way of the 2nd CWDM CWDM modules and the input of the CWDM photoelectric conversion modules of ground the 4th Connection, the output end of the 4th CWDM photoelectric conversion modules are connected with the input of ground fourth drive module, describedly The output end of face fourth drive module is divided into two parts, and the input of Part I and the photoelectric conversion module of ground the 4th connects Connect, Part II is connected with the 2nd FPGA input, and output end and the photoelectricity of ground the 4th of the fourth drive module turn The input connection of block is changed the mold, the output end output wavelength of the photoelectric conversion module of ground the 4th is 1300nm optical signal；The output end all the way of the 2nd CWDM CWDM modules is through the CWDM photoelectric conversion modules of ground the 5th and second FPGA input connection, the output end of the 2nd FPGA are connected through the first protocol conversion chip with RS422 interfaces J5, PCI Interface is bi-directionally connected with the second bridging chip, and second bridging chip is bi-directionally connected with the 2nd FPGA, the 2nd FPGA's Output end is connected with the input of the CWDM photoelectric conversion modules of ground the 6th, the output end of the 6th CWDM photoelectric conversion modules It is connected with the input of the 2nd CWDM CWDM modules；Ground optical transmitter and receiver RJ45 joints are bi-directionally connected with the 2nd Ethernet switch modules, the 2nd Ethernet switch modules Output end be connected with the input of the Drive Module of ground the 5th, the output end of the Drive Module of ground the 5th is divided into two Part, Part I are connected with the input of the CWDM photoelectric conversion modules of ground the 7th, Part II and the 2nd FPGA input End connects, the input of the output end of the 7th CWDM photoelectric conversion modules and the 2nd CWDM CWDM modules on the ship End connection, the output end all the way of the 2nd CWDM CWDM modules and the output of the CWDM photoelectric conversion modules of ground the 8th End connection, the output end of the 8th CWDM photoelectric conversion modules is connected with the input of the Drive Module of ground the 6th, described The output end of 6th Drive Module is divided into two parts, and Part I is connected with the input of the 2nd Ethernet switch modules, Part II is connected with the input of the 2nd FPGA；The data output end of 2nd FPGA and control output end and the The input connection of two video chips, the output end of second video chip are connected with ground optical transmitter and receiver BNC connector；Second electricity The module that source chip is used to need in the ground optical transmitter and receiver provides power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721333363.2U CN207218710U (en) | 2017-10-17 | 2017-10-17 | Ship ground fibre-optic transmission system (FOTS) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721333363.2U CN207218710U (en) | 2017-10-17 | 2017-10-17 | Ship ground fibre-optic transmission system (FOTS) |
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| Publication Number | Publication Date |
|---|---|
| CN207218710U true CN207218710U (en) | 2018-04-10 |
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|---|---|---|---|
| CN201721333363.2U Active CN207218710U (en) | 2017-10-17 | 2017-10-17 | Ship ground fibre-optic transmission system (FOTS) |
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| Country | Link |
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| CN (1) | CN207218710U (en) |
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2017
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