CN103346837B - A kind of optical transceiver system of Integrated design - Google Patents
A kind of optical transceiver system of Integrated design Download PDFInfo
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- CN103346837B CN103346837B CN201310278191.3A CN201310278191A CN103346837B CN 103346837 B CN103346837 B CN 103346837B CN 201310278191 A CN201310278191 A CN 201310278191A CN 103346837 B CN103346837 B CN 103346837B
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Abstract
The invention provides the optical transceiver system of a kind of Integrated design, its make the transmitting terminal of optical transceiver system, receiving terminal circuit board wiring simple, the concordance between each passage is good, make the power consumption of whole system lower.It includes transmitting terminal, optical fiber, receiving terminal, described transmitting terminal connects described receiving terminal by optical fiber, it is characterized in that: on the circuit board of described transmitting terminal, be provided with transmitting terminal single-chip, optical module, described transmitting terminal single-chip is provided with monitor signal input interface, 485 Data Input Interfaces, 485 data output interfaces, switch value input interface, and described transmitting terminal single-chip connects described optical module；Optical module, receiving terminal single-chip it is provided with on the circuit board of described receiving terminal, described receiving terminal single-chip is provided with monitor output interface, output switch parameter interface, 485 Data Input Interfaces, 485 data output interfaces, and described optical module connects described receiving terminal single-chip.
Description
Technical field
The present invention relates to protection and monitor field, the optical transceiver system of a kind of Integrated design.
Background technology
Society security protection becomes more and more important, and optical transmitter and receiver is the solution that one of which is important.Traditional optical transceiver system, at transmitting terminal by camera collection image, it is converted into digital signal through analog-digital converter (ADC), digital signal after conversion carries out encoding digital composite through field programmable gate array (FPGA) and processes, parallel composition signal after process is sent to parallel-serial conversion chip, being converted into high-speed serial data, serial data is converted into optical signal through optical module, by fiber-optic transfer to long-range receiving terminal；The signal that optical fiber is transmitted by receiving terminal, is converted into high speed serial differential data through optical module, carries out data, clock recovery.The data recovered, clock is sent to field programmable gate array (FPGA) and carries out data decoding, and the signal decoded is converted into analogue signal through digital to analog converter (DAC), is sent to monitor and shows.Making a start in traditional solution, receiving end all employ several functions chip, and system is complex.The transmission of a large amount of monitoring images becomes an important bottleneck of system, in order to improve efficiency, reduces cost, the transmission of multiway images becomes main flow, and way gets more and more, and develops into 4 tunnels, 8 tunnels even 16 tunnel from single, double road, way more multisystem is the most complicated, and cost is the highest, and power consumption is the biggest.
Optical transceiver system is the most along with the way of monitoring, and functional chip is the most, and circuit board wiring is the most difficult, and system is the most complicated.Simultaneously because the parasitic capacitance of chip pin, the electric capacity of circuit board trace is the least, when way is many, it is desirable to the frequency of system clock is the highest, causes consuming at pin, and the power consumption of cabling is the biggest.Making a start and to use an analog-digital converter in each road, receiving end to use a digital to analog converter, when way is many, arises that coupling is bad, interchannel consistency problem occur between each road modulus, digital to analog converter.The monitoring system of the most different ways, uses different number of modulus, digital to analog converter, uses different application schemes.
The transmitting terminal of existing optical transceiver system needs to arrange analog-digital converter, FPGA, high speed parallel-serial conversion chip, optical module on circuit boards, it needs to be connected with FPGA respectively by each analog-digital converter on circuit boards, FPGA is connected to high speed parallel-serial conversion chip the most again, and it needs to take big quantity space；In like manner receiving terminal needs to arrange optical module, clock and data recovery, field programmable gate array, digital to analog converter on circuit boards, and it needs also exist for taking big quantity space, ultimately results in the volume shared by optical transmitter and receiver big.
Summary of the invention
For existing drawbacks described above, the invention provides the optical transceiver system of a kind of Integrated design, its make the transmitting terminal of optical transceiver system, receiving terminal circuit board wiring simple, the concordance between each passage is good, make the power consumption of whole system lower.
A kind of optical transceiver system of Integrated design, its technical scheme is such that it and includes transmitting terminal, optical fiber, receiving terminal, described transmitting terminal connects described receiving terminal by optical fiber, it is characterized in that: on the circuit board of described transmitting terminal, be provided with transmitting terminal single-chip, optical module, described transmitting terminal single-chip is provided with monitor signal input interface, 485 Data Input Interfaces, 485 data output interfaces, switch value input interface, and described transmitting terminal single-chip connects described optical module；Optical module, receiving terminal single-chip it is provided with on the circuit board of described receiving terminal, described receiving terminal single-chip is provided with monitor output interface, output switch parameter interface, 485 Data Input Interfaces, 485 data output interfaces, and described optical module connects described receiving terminal single-chip.
It is further characterized by inside described transmitting terminal single-chip specifically including analog-digital converter, digital signal processing module, parallel serial conversion module, described analog-digital converter at least one, the outfan correspondence of each described analog-digital converter connects the input of described digital signal processing module, the outfan of described digital signal processing module connects described parallel serial conversion module, monitoring that signal input interface lays respectively at the input of the analog-digital converter of correspondence, digital controlled signal module connects digital signal processing module and each analog-digital converter respectively；
Clock and data recovery module, digital signal processing module, digital to analog converter is specifically included inside described receiving terminal single-chip, described digital to analog converter at least one, the outfan of described clock and data recovery module connects the input of described digital signal processing module, the outfan of described digital signal processing module is connected respectively the input of each described digital to analog converter, the outfan of described digital to analog converter connects the monitor of correspondence respectively, and digital controlled signal module connects digital signal processing module and each digital to analog converter respectively；
The quantity of described analog-digital converter is identical with the quantity of described digital to analog converter；
Described analog-digital converter, the quantity of digital to analog converter are eight；
The digital controlled signal module of described transmitting terminal single-chip, the digital controlled signal module of described receiving terminal single-chip all has 2 bit digital control signals, it is by respective two chip pins ground connection respectively, connect power supply and produce 00, 01, 10, 11 4 control signals, wherein 00 represent single channel path, i.e. select a specific analog-digital converter/digital to analog converter work, 01 represents duplex channel, i.e. select two specific analog-digital converters/digital to analog converter work, 10 represent four road paths, i.e. select four specific analog-digital converters/digital to analog converter work, 11 represent eight road paths, i.e. eight analog-digital converter/digital to analog converters all work.
After using the said structure of the present invention, transmitting terminal has only to the outfan of transmitting terminal single-chip is connected to optical module, receiving terminal has only to be connected to optical module the input of receiving terminal single-chip, its make the transmitting terminal of optical transceiver system, receiving terminal circuit board wiring simple, the concordance between each passage is good, make the power consumption of whole system lower.
Accompanying drawing explanation
Fig. 1 is existing eight tunnel tradition optical transmitter and receiver transmitting terminal system principle schematic diagrams；
Fig. 2 is existing eight tunnel tradition optical transmitter and receiver receiving terminal system principle schematic；
Fig. 3 is the present invention eight road transmitting terminal single-chip functional framework schematic diagram；
Fig. 4 is the present invention eight road receiving terminal single-chip functional framework schematic diagram.
Detailed description of the invention
See Fig. 3, Fig. 4, it includes transmitting terminal, optical fiber, receiving terminal, transmitting terminal connects receiving terminal by optical fiber, transmitting terminal single-chip, optical module it is provided with on the circuit board of transmitting terminal, transmitting terminal single-chip is provided with monitor signal input interface, 485 Data Input Interfaces, 485 data output interfaces, switch value input interface, and transmitting terminal single-chip connects optical module；Being provided with optical module, receiving terminal single-chip on the circuit board of receiving terminal, receiving terminal single-chip is provided with monitor output interface, output switch parameter interface, 485 Data Input Interfaces, 485 data output interfaces, and optical module connects receiving terminal chip.Analog-digital converter, digital signal processing module, parallel serial conversion module is specifically included inside transmitting terminal single-chip, analog-digital converter at least one, the outfan correspondence of each analog-digital converter connects the input of digital signal processing module, the outfan of digital signal processing module connects parallel serial conversion module, monitoring that signal input interface lays respectively at the input of the analog-digital converter of correspondence, digital controlled signal module connects digital signal processing module and each analog-digital converter respectively；Clock and data recovery module, digital signal processing module, digital to analog converter is specifically included inside receiving terminal single-chip, digital to analog converter at least one, the outfan of clock and data recovery module connects the input of digital signal processing module, the outfan of digital signal processing module is connected respectively the input of each digital to analog converter, the outfan of digital to analog converter connects the monitor of correspondence respectively, and digital controlled signal module connects digital signal processing module and each digital to analog converter respectively；The quantity of analog-digital converter is identical with the quantity of digital to analog converter.
Eight road transmitting terminal single-chips are shown in Fig. 3, and eight road receiving terminal single-chips are shown in that Fig. 4, analog-digital converter, the quantity of digital to analog converter are eight；The digital controlled signal module of transmitting terminal single-chip, the digital controlled signal module of receiving terminal single-chip all has 2 bit digital control signals, it is by respective two chip pins ground connection respectively, connect power supply and produce 00, 01, 10, 11 4 control signals, wherein 00 represent single channel path, i.e. select a specific analog-digital converter/digital to analog converter work, 01 represents duplex channel, i.e. select two specific analog-digital converters/digital to analog converter work, 10 represent four road paths, i.e. select four specific analog-digital converters/digital to analog converter work, 11 represent eight road paths, i.e. eight analog-digital converter/digital to analog converters all work, after using digital controlled signal module, make to apply more flexible, the monitoring of different way can be realized.
Claims (1)
1. the optical transceiver system of an Integrated design, it includes transmitting terminal, optical fiber, receiving terminal, described transmitting terminal connects described receiving terminal by optical fiber, it is characterized in that: on the circuit board of described transmitting terminal, be provided with transmitting terminal single-chip, optical module, described transmitting terminal single-chip is provided with monitor signal input interface, 485 Data Input Interfaces, 485 data output interfaces, switch value input interface, and described transmitting terminal single-chip connects described optical module；Optical module, receiving terminal single-chip it is provided with on the circuit board of described receiving terminal, described receiving terminal single-chip is provided with monitor output interface, output switch parameter interface, 485 Data Input Interfaces, 485 data output interfaces, and described optical module connects described receiving terminal single-chip；Analog-digital converter, digital signal processing module, parallel serial conversion module is specifically included inside described transmitting terminal single-chip, described analog-digital converter at least one, the outfan correspondence of each described analog-digital converter connects the input of described digital signal processing module, the outfan of described digital signal processing module connects described parallel serial conversion module, monitoring that signal input interface lays respectively at the input of the analog-digital converter of correspondence, digital controlled signal module connects digital signal processing module and each analog-digital converter respectively；Clock and data recovery module, digital signal processing module, digital to analog converter is specifically included inside described receiving terminal single-chip, described digital to analog converter at least one, the outfan of described clock and data recovery module connects the input of described digital signal processing module, the outfan of described digital signal processing module is connected respectively the input of each described digital to analog converter, the outfan of described digital to analog converter connects the monitor of correspondence respectively, and digital controlled signal module connects digital signal processing module and each digital to analog converter respectively；The quantity of described analog-digital converter is identical with the quantity of described digital to analog converter；Described analog-digital converter, the quantity of digital to analog converter are eight；The digital controlled signal module of described transmitting terminal single-chip, the digital controlled signal module of described receiving terminal single-chip all has 2 bit digital control signals, it is by respective two chip pins ground connection respectively, connect power supply and produce 00, 01, 10, 11 4 control signals, wherein 00 represent single channel path, i.e. select a specific analog-digital converter/digital to analog converter work, 01 represents duplex channel, i.e. select two specific analog-digital converters/digital to analog converter work, 10 represent four road paths, i.e. select four specific analog-digital converters/digital to analog converter work, 11 represent eight road paths, i.e. eight analog-digital converter/digital to analog converters all work.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2807624Y (en) * | 2005-07-14 | 2006-08-16 | 石美荣 | Optical Termination |
| CN201114071Y (en) * | 2007-06-12 | 2008-09-10 | 上海丞播电子科技有限公司 | Multipath analog and digital audio frequency mixing transmission light emitting machine |
| CN201282528Y (en) * | 2008-11-06 | 2009-07-29 | 上海宽岱电讯科技发展有限公司 | Video optical transmitter-receiver with Ethernet interface |
| CN201409205Y (en) * | 2009-01-20 | 2010-02-17 | 北京正荣网际科技有限公司 | Video/audio-monitoring standard definition optical transceiver |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130071110A1 (en) * | 2011-09-16 | 2013-03-21 | Tony Susanto | Providing Optical Power Information from an Optical Receiver to an Optical Transmitter Using a Serial Bus |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2807624Y (en) * | 2005-07-14 | 2006-08-16 | 石美荣 | Optical Termination |
| CN201114071Y (en) * | 2007-06-12 | 2008-09-10 | 上海丞播电子科技有限公司 | Multipath analog and digital audio frequency mixing transmission light emitting machine |
| CN201282528Y (en) * | 2008-11-06 | 2009-07-29 | 上海宽岱电讯科技发展有限公司 | Video optical transmitter-receiver with Ethernet interface |
| CN201409205Y (en) * | 2009-01-20 | 2010-02-17 | 北京正荣网际科技有限公司 | Video/audio-monitoring standard definition optical transceiver |
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Denomination of invention: Optical transceiver system in integrated design Effective date of registration: 20180207 Granted publication date: 20160824 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: SteadiChips Inc. Registration number: 2018990000133 |
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Effective date of registration: 20221220 Address after: No. 295, Building 17, No. 2723, Fuchunwan Avenue, Chunjiang Street, Fuyang District, Hangzhou, Zhejiang, 310000 Patentee after: Hangzhou Sitai Microelectronics Co.,Ltd. Address before: No. 16, Changjiang Road, New District, Wuxi City, Jiangsu Province, 214028 Patentee before: STEADICHIPS Inc. |
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