CN109521535A - The photoelectric integral rotary transfer system and rotary transfer implementation method of high speed RapidIo signal - Google Patents
The photoelectric integral rotary transfer system and rotary transfer implementation method of high speed RapidIo signal Download PDFInfo
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- CN109521535A CN109521535A CN201811249615.2A CN201811249615A CN109521535A CN 109521535 A CN109521535 A CN 109521535A CN 201811249615 A CN201811249615 A CN 201811249615A CN 109521535 A CN109521535 A CN 109521535A
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- signal
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- rapidio
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- optical module
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
Abstract
The present invention relates to the photoelectric integral rotary transfer system of high speed RapidIo signal and rotary transfer implementation method, which is made of smooth ring, expelling plate, receiver board；Wherein smooth ring is a kind of single mode optical fiber rotary connector；Expelling plate is made of expelling plate power module, isostatic compensation module, the first optical module and 21 wavelength division multiplexers of conjunction, and receiver board includes receiver board power module, the second optical module and 1 point of 2 wavelength division multiplexer.When system works, expelling plate carries out electrical-optical conversion to the RapidIo electric signal that client inputs and issues RapidIo optical signal, is transmitted to receiver board by smooth ring.Receiver board receives RapidIo optical signal and completes optical-electronic conversion and electrical-optical conversion sending RapidIo optical signal, expelling plate is transmitted back to by smooth ring, expelling plate receives RapidIo optical signal and completes optical-electronic conversion output RapidIo electric signal to client, to complete rotary transfer and the full-duplex communication of high speed RapidIo signal.The present invention is able to satisfy rotary transfer requirement of the monitoring field Electro-Optical Sensor Set to high speed RapidIo signal.
Description
Technical field
The present invention relates to the transmission of high speed RapidIo signal, more particularly, to a kind of photoelectricity one of high speed RapidIo signal
Body rotary transfer system and rotary transfer implementation method.
Background technique
Photoelectric integral rotary transfer system is by electric rotary connector (i.e. conducting slip ring), fiber rotation connector (i.e. light
Slip ring), photoelectric conversion circuit board group at.Wherein electric rotary connector and fiber rotation connector are for realizing various telecommunications
Number, the rotary transfer of optical signal.Photoelectric conversion circuit plate includes expelling plate and receiver board, plays electrical-optical-electrical conversion.By
Have many advantages, such as that bandwidth, transmission data capacity be big, long transmission distance, electromagnetism interference in optical transport, in modern communications field
Using extremely wide.
Photoelectric detecting system used in monitoring field needs to use optoelectronic integration rotary transfer system, to realize not
The optical fiber of the rotary transfer function of congener electric signal and optical signal between stationary end and turning end, photoelectric detecting system is logical
Letter is realized using serial RapidIo agreement.RapidIo compares PCIE and Ethernet, it is advantageous that: agreement is relatively simple,
Occupying system resources are few, support a plurality of types of topological structures, and strong flexibility is the optimal communication interconnection skill of embedded system
Art.The signal rate that serial RapidIo is supported has 3 kinds: 1.25GHz, 2.5GHz, 3.125GHz are encoded through 8b/10b, effectively
Data rate is 1Gbps, 2Gbps, 2.5Gbps.Since the transmission signal flank speed of common electric rotary connector can only achieve
Several hundred million, thus cannot achieve the rotary transfer demand of high speed RapidIo signal.
Summary of the invention
The first purpose of this invention is to provide a kind of photoelectric integral rotary transfer system of high speed RapidIo signal,
The photoelectric integral rotary transfer system can complete rotary transfer and the full-duplex communication of high speed rapido signal, meet most of necks
The requirement of domain photoelectric detecting system.
High second object of the present invention is that the photoelectric integral rotary transfer for providing a kind of high speed RapidIo signal is realized
Method.
The first purpose of this invention is achieved in that
A kind of photoelectric integral rotary transfer system of high speed RapidIo signal, is characterized in: by smooth ring, expelling plate, receiver board structure
At, in which: smooth ring is a kind of single mode optical fiber rotary connector, is able to achieve between rotatable parts and stationary parts optical signal continuously
Disconnected rotary transfer；Expelling plate closes 1 wavelength division multiplexer group by expelling plate power module, isostatic compensation module, the first optical module and 2
At；Receiver board includes receiver board power module, the second optical module and 1 point of 2 wavelength division multiplexer；
First signal end of isostatic compensation module connects the signal input part of client image plate, the second signal of isostatic compensation module
The first signal end of the first optical module is terminated, the second signal termination 2 of the first optical module closes the first signal of 1 wavelength division multiplexer
The second signal at end, 21 wavelength division multiplexers of conjunction terminates the first signal end of smooth ring, and the second signal of smooth ring terminates 1 point of 2 wave
First signal end of division multiplexer, the second signal of 1 point of 2 wavelength division multiplexer terminate the first signal end of the second optical module；
Expelling plate power module and receiver board power module are the switch power module that 5V turns 3.3V, and expelling plate power module is given
The power supply of 1 wavelength division multiplexer is closed in isostatic compensation module, the first optical module and 2, and receiver board power module gives the second optical module and 1 point 2
Wavelength division multiplexer power supply；Expelling plate and receiver board supply district can be 5 ~ 24V.
Third optical module is additionally provided on receiver board, the first signal of third optical module terminates the second signal of the second optical module
End.
Second object of the present invention is achieved in that
A kind of photoelectric integral rotary transfer implementation method of high speed RapidIo signal, be characterized in: specific step is as follows: system is logical
Electricity is started to work, and the isostatic compensation module of expelling plate carries out isostatic compensation to the RapidIo electric signal that client image plate inputs
And preemphasis, it is then transferred to the first optical module, issues 1310nm wavelength after the conversion of the electrical-optical of the first optical module
The RapidIo optical signal of RapidIo optical signal, 1310nm wavelength closes 1 wavelength division multiplexer multiplex through 2, and multiplex is passed by smooth ring
Transport to receiver board；1 point of 2 wavelength division multiplexer of receiver board receives the RapidIo optical signal of 1310nm wavelength, and by 1310nm wavelength
RapidIo optical signal transmission give the second optical module, the second optical module complete 1310nm optical-electronic conversion and 1470nm electricity-
Light conversion, the RapidIo optical signal for the 1470nm wavelength that the second optical module issues is through 1 point of 2 wavelength division multiplexer multiplex, then passes through light
Slip ring is transmitted back to expelling plate, and the RapidIo optical signal that 1 wavelength division multiplexer receives 1470nm wavelength is closed in the 2 of expelling plate, and 2 close 1 wavelength-division
Multiplexer gives the RapidIo optical signal transmission of 1470nm wavelength to the first optical module 1, and the first optical module 1 completes the light-of 1470nm
Electricity conversion output RapidIo electric signal is to client image plate, to complete the rotary transfer and Quan Shuan of high speed RapidIo signal
Work communicates overall process.
The isostatic compensation module of expelling plate uses repeater chip DS64BR111SQE, realizes to RapidIo electric signal
Isostatic compensation and preemphasis.
First optical module of expelling plate is the optical module of 1310nm hair/1470nm receipts, rate 3.125Gbps, the optical module
It can complete the conversion of 1310nm electrical-optical and 1470nm optical-electronic conversion function.
Second optical module of receiver board is the optical module of 1470nm hair/1310nm receipts, rate 3.125Gbps, the optical module
It can complete the conversion of 1310nm optical-electronic and 1470nm electrical-optical conversion function.
First optical module and the second optical module all have self-locking function, can direct hot plug, convenient for later maintenance replace.
21 wavelength division multiplexers of conjunction of expelling plate and 1 point of 2 wavelength division multiplexer of receiver board are able to achieve 2 tunnels transmitting-receiving optical signal
Multiplex and partial wave.
Since the installation space of circuit board is small, and the first optical module, the second optical module, expelling plate power module, receiver board
The load of power module is bigger, be easy to cause local circuit plate temperature excessively high, or even in the operating temperature beyond some device
Limit, this invention takes following cooling measures:
1, the first optical module, the second optical module, expelling plate power module, receiver board power module separate on circuit boards uniformly puts
It sets, is conducive to enhance heat-sinking capability；
2, pcb board large area floor file, facilitates even heat to conduct；
3, in the behind of expelling plate power module, the power supply chip of receiver board power module and the first optical module, the second optical module
Aperture, large area ground connection, and mostly spread copper in upper layer, bottom as far as possible and reveal copper.
It is verified, it is had a characteristic that by the present invention that above method is realized
1, the transmission of high speed RapidIo signal rotation and full-duplex communication can be achieved, real-time is high, and rate is high, can transmit at a distance；
2, implementation method is reliable and stable, is able to satisfy the rotary transfer of monitoring field Electro-Optical Sensor Set high speed RapidIo signal
It is required that；
3, environmental suitability is strong, high-low temperature resistant, operating temperature range: -50 DEG C ~+75 DEG C, vibration and shock resistant condition；
4,21 wavelength division multiplexers of conjunction and 1 point of 2 wavelength division multiplexer are all made of the fixed mode that stretches, and tail optical fiber is bound solid using band
Fixed, stretching fixed form can guarantee that product is reliable and stable under each operating condition such as high/low temperature, vibration, impact, does not shake；
5, later maintenance is simple and convenient, and optical module can direct quick replacement；
6, size is small, light-weight.
The present invention is suitable for 1.25GHz, 2.5GHz, the RapidioIO signal adaptive transmission of 3.125GHz rate.This hair
It is bright.
Detailed description of the invention
Fig. 1 is circuit block diagram of the invention；
Fig. 2 is the circuit theory schematic diagram of expelling plate；
Fig. 3 is the circuit theory schematic diagram that receiver board carries out single mode conversion；
Fig. 4 is the circuit theory schematic diagram that receiver board carries out multimode conversion.
Specific embodiment
Below with reference to embodiment and compares attached drawing invention is further described in detail.
Embodiment 1: single mode conversion
As shown in Figure 1, a kind of photoelectric integral rotary transfer system of high speed RapidIo signal, by smooth ring, expelling plate, reception
Plate is constituted, in which: smooth ring is a kind of single mode optical fiber rotary connector, is able to achieve optical signal between rotatable parts and stationary parts
Rotary transfer free of discontinuities；Expelling plate closes 1 wavelength division multiplexer by expelling plate power module, isostatic compensation module, the first optical module and 2
Composition；Receiver board is made of receiver board power module, the second optical module and 1 point of 2 wavelength division multiplexer；
First signal end of isostatic compensation module connects the signal input part of client image plate, the second signal of isostatic compensation module
The first signal end of the first optical module is terminated, the second signal termination 2 of the first optical module closes the first signal of 1 wavelength division multiplexer
The second signal at end, 21 wavelength division multiplexers of conjunction terminates the first signal end of smooth ring, and the second signal of smooth ring terminates 1 point of 2 wave
First signal end of division multiplexer, the second signal of 1 point of 2 wavelength division multiplexer terminate the first signal end of the second optical module.
A kind of photoelectric integral rotary transfer implementation method of high speed RapidIo signal, the specific steps are as follows:
System energization is started to work, the RapidIo electric signal that the isostatic compensation module of expelling plate inputs client image plate into
Row isostatic compensation and preemphasis are then transferred to the first optical module, issue 1310nm wave after the conversion of the electrical-optical of the first optical module
The RapidIo optical signal of long RapidIo optical signal, 1310nm wavelength closes 1 wavelength division multiplexer multiplex through 2, and multiplex passes through smooth
Ring is transmitted to receiver board；1 point of 2 wavelength division multiplexer of receiver board receives the RapidIo optical signal of 1310nm wavelength, and by 1310nm
The RapidIo optical signal transmission of wavelength gives the second optical module, and the second optical module completes the optical-electronic conversion of 1310nm with 1470nm's
Electrical-optical conversion, the RapidIo optical signal for the 1470nm wavelength that the second optical module issues is through 1 point of 2 wavelength division multiplexer multiplex, then leads to
It crosses smooth ring and is transmitted back to expelling plate, the RapidIo optical signal that 1 wavelength division multiplexer receives 1470nm wavelength is closed in the 2 of expelling plate, and 2 close 1
Wavelength division multiplexer gives the RapidIo optical signal transmission of 1470nm wavelength to the first optical module 1, and the first optical module 1 completes 1470nm
Optical-electronic conversion output RapidIo electric signal to client image plate, to complete the rotary transfer of high speed RapidIo signal
With full-duplex communication overall process.
As shown in Fig. 2, expelling plate power module is that 5V turns the switch power module of 3.3V, for isostatic compensation module,
The power supply of first optical module；
The isostatic compensation module of expelling plate uses repeater chip DS64BR111SQE, realizes to the equal of RapidIo electric signal
Weighing apparatus compensation and preemphasis.
First optical module of expelling plate is the optical module of 1310nm hair/1470nm receipts, rate 3.125Gbps, the optical module
RapidIo electric signal after isostatic compensation is converted into optical signal and the sending of 1310nm wavelength, while can receive 1470nm
The RapidIo optical signal of wavelength is simultaneously converted into RapidIo electric signal.
First optical module is the hot-swappable product for having general-purpose interface using SFP optical module, Gu the self-locking function of timing belt
Energy.
Wavelength division multiplexer on expelling plate is 21 wavelength division multiplexers of conjunction, it can be achieved that 2 different wave length reverse transfer optical signals
Multiplex and partial wave.
As shown in figure 3, the power module of receiver board is that 5V turns 3.3V switch power module, for supplying to the second optical module
Electricity.
Second optical module of receiver board is the optical module of 1470nm hair/1310nm receipts, rate 3.125Gbps, the optical module
It can receive the RapidIo optical signal of 1310nm wavelength and be converted into RapidIo electric signal, while can be by RapidIo electric signal
It is converted into the optical signal of 1470nm wavelength and sending.
Second optical module is the hot-swappable product for having general-purpose interface using SFP optical module, Gu the self-locking function of timing belt
Energy.
The wavelength division multiplexer of receiver board is 1 point of 2 wavelength division multiplexer, it can be achieved that 2 different wave length reverse transfer optical signals
Multiplex and partial wave.
Embodiment 2: multimode conversion
The structure of embodiment 2 and the structure of embodiment 1 are essentially identical, the difference is that:
As shown in figure 4, the third optical module of 850nm transceiver 3.125Gbps is additionally provided on receiver board, third optical module
One signal terminates the second signal end of the second optical module, and third optical module is able to achieve 1310nm-850nm-1470mn wave band multimode
Conversion.
The function of receiver board can also be realized by using the third optical module of a 850nm transceiver 3.125Gbps
The conversion of 1310nm-850nm-1470mn wave band multimode, concrete methods of realizing is: the second optical module of receiver board is converted to
RapidIo electric signal is converted into the RapidIo optical signal of 850nm wavelength, by multimode fibre line winding, then by 850nm wavelength
RapidIo optical signal be converted into RapidIo electric signal and export to the second optical module.
Claims (7)
1. the photoelectric integral rotary transfer system of high speed RapidIo signal, it is characterised in that: by smooth ring, expelling plate, receiver board
It constitutes, in which: smooth ring is a kind of single mode optical fiber rotary connector, is able to achieve the nothing of optical signal between rotatable parts and stationary parts
It is interrupted rotary transfer；Expelling plate closes 1 wavelength division multiplexer group by expelling plate power module, isostatic compensation module, the first optical module and 2
At；Receiver board includes receiver board power module, the second optical module and 1 point of 2 wavelength division multiplexer；
First signal end of isostatic compensation module connects the signal input part of client image plate, the second signal of isostatic compensation module
The first signal end of the first optical module is terminated, the second signal termination 2 of the first optical module closes the first signal of 1 wavelength division multiplexer
The second signal at end, 21 wavelength division multiplexers of conjunction terminates the first signal end of smooth ring, and the second signal of smooth ring terminates 1 point of 2 wave
First signal end of division multiplexer, the second signal of 1 point of 2 wavelength division multiplexer terminate the first signal end of the second optical module；
Expelling plate power module and receiver board power module are the switch power module that 5V turns 3.3V, and expelling plate power module is given
The power supply of 1 wavelength division multiplexer is closed in isostatic compensation module, the first optical module and 2, and receiver board power module gives the second optical module and 1 point 2
Wavelength division multiplexer power supply；Expelling plate and receiver board supply district are 5 ~ 24V.
2. the photoelectric integral rotary transfer system of high speed RapidIo signal according to claim 2, it is characterised in that:
Third optical module is additionally provided on receiver board, the first signal of third optical module terminates the second signal end of the second optical module.
3. the photoelectric integral rotary transfer implementation method of high speed RapidIo signal, it is characterised in that: high speed RapidIo signal
Rotary transfer implementation method specific steps are as follows: when system energization works, the RapidIo that expelling plate inputs client image plate is electric
Signal carries out isostatic compensation preemphasis, and the RapidIo optical signal of 1310nm wavelength is converted and issued through the first optical module electrical-optical,
1 wavelength division multiplexer multiplex is closed through 2, receiver board is transmitted to by smooth ring；Receiver board receives 1310nm through 1 point of 2 wavelength division multiplexer
The RapidIo optical signal of wavelength simultaneously completes the conversion of 1310nm optical-electronic and the conversion sending of 1470nm electrical-optical through the second optical module
The RapidIo optical signal of 1470nm wavelength is transmitted back to expelling plate, expelling plate by smooth ring through 1 point of 2 wavelength division multiplexer multiplex
It closes 1 wavelength division multiplexer through 2 and receives the RapidIo optical signal of 1470nm wavelength and complete 1470nm optical-electronic through the first optical module and turn
Output RapidIo electric signal is changed to client image plate, thus complete high speed RapidIo signal rotary transfer and full duplex it is logical
Believe overall process.
4. the photoelectric integral rotary transfer implementation method of high speed RapidIo signal according to claim 3, feature exist
In: the first optical module of the expelling plate is that 1310nm hair/1470nm is received, the optical module of rate 3.125Gbps, the receiver board
The second optical module be that 1470nm hair/1310nm is received, the optical module of rate 3.125Gbps；First optical module and the second light
Module all has self-locking function, can direct hot plug.
5. the photoelectric integral rotary transfer implementation method of high speed RapidIo signal according to claim 3, feature exist
In: the isostatic compensation module of the expelling plate uses repeater chip, to realize isostatic compensation and pre-add to RapidIo signal
Weight.
6. the photoelectric integral rotary transfer implementation method of high speed RapidIo signal according to claim 3, feature exist
In: the spectrum conversion module of the receiver board can also use the third optical module of 850nm transceiver 3.125Gbps, to realize
The conversion of 1310nm-850nm-1470mn wave band multimode.
7. the photoelectric integral rotary transfer implementation method of high speed RapidIo signal according to claim 3, feature exist
In: the photoelectric integral rotary transfer system of the high speed RapidIo signal is suitable for 1.25GHz, 2.5GHz, 3.125GHz rate
RapidioIO signal adaptive transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811249615.2A CN109521535A (en) | 2018-10-25 | 2018-10-25 | The photoelectric integral rotary transfer system and rotary transfer implementation method of high speed RapidIo signal |
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| CN201811249615.2A CN109521535A (en) | 2018-10-25 | 2018-10-25 | The photoelectric integral rotary transfer system and rotary transfer implementation method of high speed RapidIo signal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110677195A (en) * | 2019-09-29 | 2020-01-10 | 凯迈（洛阳）测控有限公司 | Data transmission device suitable for airborne photoelectric pod |
| CN110838878A (en) * | 2019-10-22 | 2020-02-25 | 中船九江精达科技股份有限公司 | Optical fiber rotary transmission system integrating high-speed image signals and serial port signals |
| CN115793551A (en) * | 2023-02-08 | 2023-03-14 | 中国电子科技集团公司第十研究所 | Space electronic load super-large scale multifunctional comprehensive processing platform |
-
2018
- 2018-10-25 CN CN201811249615.2A patent/CN109521535A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110677195A (en) * | 2019-09-29 | 2020-01-10 | 凯迈（洛阳）测控有限公司 | Data transmission device suitable for airborne photoelectric pod |
| CN110838878A (en) * | 2019-10-22 | 2020-02-25 | 中船九江精达科技股份有限公司 | Optical fiber rotary transmission system integrating high-speed image signals and serial port signals |
| CN115793551A (en) * | 2023-02-08 | 2023-03-14 | 中国电子科技集团公司第十研究所 | Space electronic load super-large scale multifunctional comprehensive processing platform |
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| CB02 | Change of applicant information |
Address after: 332000 No. 1699 Changjiang Avenue, Jiujiang City, Jiangxi Province Applicant after: China Shipping Jiujiang Jingda Technology Co., Ltd. Address before: 332000 No. 1699 Changjiang Avenue, Lushan District, Jiujiang City, Jiangxi Province Applicant before: Jiujiang Jingda Measurement Technology Co., Ltd. |
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Application publication date: 20190326 |
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