CN103346837A - Optical transceiver system in integrated design - Google Patents
Optical transceiver system in integrated design Download PDFInfo
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- CN103346837A CN103346837A CN2013102781913A CN201310278191A CN103346837A CN 103346837 A CN103346837 A CN 103346837A CN 2013102781913 A CN2013102781913 A CN 2013102781913A CN 201310278191 A CN201310278191 A CN 201310278191A CN 103346837 A CN103346837 A CN 103346837A
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Abstract
The invention provides an optical transceiver system in integrated design. According to the optical transceiver system, wiring of a circuit board of a transmitting terminal and wiring of a circuit board of a receiving terminal are simple, consistency of various channels is good, and power consumption of the whole system is lower. The optical transceiver system comprises the transmitting terminal, an optical fiber and the receiving terminal, wherein the transmitting terminal is connected with the receiving terminal through the optical fiber. The optical transceiver system is characterized in that the circuit board of the transmitting terminal is provided with a transmitting terminal single chip and an optical module, wherein the transmitting terminal single chip is provided with monitor signal input interfaces, a 485 data input interface, a 485 data output interface and a switching value input interface, and the transmitting terminal single chip is connected with the optical module; the circuit board of the receiving terminal is provided with an optical module and a receiving terminal single chip, wherein the receiving terminal single chip is provided with monitor output interfaces, a switching value output interface, a 485 data input interface and a 485 data output interface, and the optical module is connected with the receiving terminal single chip.
Description
Technical field
The present invention relates to protection and monitor field, be specially a kind of optical transceiver system capable of integrated design.
Background technology
Current social security protection becomes more and more important, and optical transceiver is a kind of important solution wherein.Traditional optical transceiver system capable, pass through the camera collection image at transmitting terminal, convert digital signal to through analog to digital converter (ADC), digital signal after the conversion is handled through field programmable gate array (FPGA) digital composite of encoding, parallel composite signal after the processing is sent to and goes here and there conversion chip, convert high-speed serial data to, serial data converts light signal to through optical module, arrives long-range receiving terminal by Optical Fiber Transmission; The signal that receiving terminal transmits optical fiber converts the high speed serialization differential data to through optical module, carries out data, clock recovery.Recover good data, clock is sent to field programmable gate array (FPGA) and carries out data decoding, and the signal that decoding is good converts analog signal to through digital to analog converter (DAC), is sent to monitor and shows.Make a start in traditional solution, receiving end has all been used multiple functional chip, and system is comparatively complicated.The transmission of a large amount of monitoring images becomes an important bottleneck of system, in order to raise the efficiency, reduces cost, the transmission of multiway images becomes main flow, and way is more and more, develops into 4 the tunnel, the 8 tunnel even 16 the tunnel from single, double road, way more multisystem is more complicated, and cost is more high, and power consumption is more big.
Optical transceiver system capable is along with the way of monitoring is more many, and functional chip is more many, and circuit board wiring is more difficult, and system is more complicated.Simultaneously because the parasitic capacitance of chip pin, the electric capacity of circuit board cabling is not little, when way for a long time, require the frequency of system clock more high, cause consuming at pin, the power consumption of cabling is very big.Make a start and will use an analog to digital converter in each road, receiving end will be used a digital to analog converter, when way for a long time, will occur mating bad between each road modulus, the digital to analog converter, interchannel consistency problem appears.The supervisory control system of different ways simultaneously adopts the modulus of different numbers, and digital to analog converter uses different application schemes.
The transmitting terminal of existing optical transceiver system capable needs to arrange analog to digital converter, Field Programmable Gate Array, high speed and goes here and there conversion chip, optical module at circuit board, it need be connected each analog to digital converter respectively on circuit board with Field Programmable Gate Array, Field Programmable Gate Array is connected to high speed and the conversion chip of going here and there afterwards, it need take big quantity space again; In like manner receiving terminal needs arranged light module, clock and data recovery, field programmable gate array, digital to analog converter at circuit board, and it need take big quantity space equally, finally causes the shared volume of optical transceiver big.
Summary of the invention
At existing above-mentioned defective, the invention provides a kind of optical transceiver system capable of integrated design, it makes that the circuit board wiring of transmitting terminal, receiving terminal of optical transceiver system capable is simple, the high conformity between each passage, makes the power consumption of whole system lower.
A kind of optical transceiver system capable of integrated design, its technical scheme is such: it comprises transmitting terminal, optical fiber, receiving terminal, described transmitting terminal connects described receiving terminal by optical fiber, it is characterized in that: the circuit board of described transmitting terminal is 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; The circuit board of described receiving terminal is provided with optical module, receiving terminal single-chip, described receiving terminal single-chip is provided with monitor output interface, switching value output interface, 485 Data Input Interfaces, 485 data output interfaces, and described optical module connects described receiving terminal single-chip.
It is further characterized in that: described transmitting terminal single-chip inside specifically comprises analog to digital converter, digital signal processing module, parallel serial conversion module, described analog to digital converter has one at least, the corresponding input that connects described digital signal processing module of the output of each described analog to digital converter, the output of described digital signal processing module connects described parallel serial conversion module, the supervisory signal input interface lays respectively at the input of corresponding analog to digital converter, and the digital controlled signal module connects digital signal processing module and each analog to digital converter respectively;
Described receiving terminal single-chip inside specifically comprises clock and data recovery module, digital signal processing module, digital to analog converter, described digital to analog converter has one at least, the output of described clock and data recovery module connects the input of described digital signal processing module, the output of described digital signal processing module is the corresponding input that connects each described digital to analog converter respectively, the output of described digital to analog converter connects corresponding monitor respectively, and the digital controlled signal module connects digital signal processing module and each digital to analog converter respectively;
The quantity of described analog to digital converter is identical with the quantity of described digital to analog converter;
The quantity of described analog to digital converter, digital to analog converter is 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 passes through two chip pins difference ground connection separately, connect power supply and produce 00,01,10,11 4 control signals, wherein 00 represent the single channel path, namely select a specific analog to digital converter/digital to analog converter job, 01 represents duplex channel, namely select two specific analog to digital converter/digital to analog converter work, 10 represent four road paths, namely select four specific analog to digital converter/digital to analog converter work, 11 represent eight road paths, namely eight analog to digital converter/digital to analog converters are all worked.
After adopting said structure of the present invention, transmitting terminal only need be connected to optical module with the output of transmitting terminal single-chip, the input that receiving terminal only need be connected to optical module the receiving terminal single-chip gets final product, it makes that the circuit board wiring of transmitting terminal, receiving terminal of optical transceiver system capable is simple, the high conformity between each passage, makes the power consumption of whole system lower.
Description of drawings
Fig. 1 is existing eight tunnel tradition optical transceiver transmitting terminal system principle schematic diagrames;
Fig. 2 is existing eight tunnel tradition optical transceiver receiving terminal system principle schematic;
Fig. 3 is the present invention's eight road transmitting terminal single-chip functional framework schematic diagrames;
Fig. 4 is the present invention's eight road receiving terminal single-chip functional framework schematic diagrames.
Embodiment
See Fig. 3, Fig. 4, it comprises transmitting terminal, optical fiber, receiving terminal, transmitting terminal connects receiving terminal by optical fiber, the circuit board of transmitting terminal is provided with transmitting terminal single-chip, optical module, the transmitting terminal single-chip is provided with monitor signal input interface, 485 Data Input Interfaces, 485 data output interfaces, switch value input interface, and the transmitting terminal single-chip connects optical module; The circuit board of receiving terminal is provided with optical module, receiving terminal single-chip, and the receiving terminal single-chip is provided with monitor output interface, switching value output interface, 485 Data Input Interfaces, 485 data output interfaces, and optical module connects the receiving terminal chip.Transmitting terminal single-chip inside specifically comprises analog to digital converter, digital signal processing module, parallel serial conversion module, analog to digital converter has one at least, the corresponding input that connects digital signal processing module of the output of the analog to digital converter of each, the output of digital signal processing module connects parallel serial conversion module, the supervisory signal input interface lays respectively at the input of corresponding analog to digital converter, and the digital controlled signal module connects digital signal processing module and each analog to digital converter respectively; Receiving terminal single-chip inside specifically comprises clock and data recovery module, digital signal processing module, digital to analog converter, digital to analog converter has one at least, the output of clock and data recovery module connects the input of digital signal processing module, the output of digital signal processing module is the corresponding input that connects each digital to analog converter respectively, the output of digital to analog converter connects corresponding monitor respectively, and the digital controlled signal module connects digital signal processing module and each digital to analog converter respectively; The quantity of analog to digital converter is identical with the quantity of digital to analog converter.
Eight road transmitting terminal single-chips are seen Fig. 3, and eight road receiving terminal single-chips are seen Fig. 4, and the quantity of analog to digital converter, digital to analog converter is 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 passes through two chip pins difference ground connection separately, connect power supply and produce 00,01,10,11 4 control signals, wherein 00 represent the single channel path, namely select a specific analog to digital converter/digital to analog converter job, 01 represents duplex channel, namely select two specific analog to digital converter/digital to analog converter work, 10 represent four road paths, namely select four specific analog to digital converter/digital to analog converter work, 11 represent eight road paths, namely eight analog to digital converter/digital to analog converters are all worked, after adopting the digital controlled signal module, feasible application is more flexible, can realize the monitoring of different ways.
Claims (6)
1. the optical transceiver system capable of an integrated design, it comprises transmitting terminal, optical fiber, receiving terminal, described transmitting terminal connects described receiving terminal by optical fiber, it is characterized in that: the circuit board of described transmitting terminal is 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; The circuit board of described receiving terminal is provided with optical module, receiving terminal single-chip, described receiving terminal single-chip is provided with monitor output interface, switching value output interface, 485 Data Input Interfaces, 485 data output interfaces, and described optical module connects described receiving terminal single-chip.
2. the optical transceiver system capable of a kind of integrated design according to claim 1, it is characterized in that: described transmitting terminal single-chip inside specifically comprises analog to digital converter, digital signal processing module, parallel serial conversion module, described analog to digital converter has one at least, the corresponding input that connects described digital signal processing module of the output of each described analog to digital converter, the output of described digital signal processing module connects described parallel serial conversion module, the supervisory signal input interface lays respectively at the input of corresponding analog to digital converter, and the digital controlled signal module connects digital signal processing module and each analog to digital converter respectively.
3. the optical transceiver system capable of a kind of integrated design according to claim 1, it is characterized in that: described receiving terminal single-chip inside specifically comprises the clock and data recovery module, digital signal processing module, digital to analog converter, described digital to analog converter has one at least, the output of described clock and data recovery module connects the input of described digital signal processing module, the output of described digital signal processing module is the corresponding input that connects each described digital to analog converter respectively, the output of described digital to analog converter connects corresponding monitor respectively, and the digital controlled signal module connects digital signal processing module and each digital to analog converter respectively.
4. according to the optical transceiver system capable of claim 2 or 3 described a kind of integrated designs, it is characterized in that: the quantity of described analog to digital converter is identical with the quantity of described digital to analog converter.
5. the optical transceiver system capable of a kind of integrated design according to claim 4, it is characterized in that: the quantity of described analog to digital converter, digital to analog converter is eight.
6. the optical transceiver system capable of a kind of integrated design according to claim 5, it is characterized in that: 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 passes through two chip pins difference ground connection separately, connect power supply and produce 00,01,10,11 4 control signals, wherein 00 represent the single channel path, namely select a specific analog to digital converter/digital to analog converter job, 01 represents duplex channel, namely select two specific analog to digital converter/digital to analog converter work, 10 represent four road paths, namely select four specific analog to digital converter/digital to analog converter work, 11 represent eight road paths, namely eight analog to digital converter/digital to analog converters are all worked.
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| CN201310278191.3A CN103346837B (en) | 2013-07-04 | 2013-07-04 | A kind of optical transceiver system of Integrated design |
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| CN201310278191.3A CN103346837B (en) | 2013-07-04 | 2013-07-04 | A kind of optical transceiver system of Integrated design |
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Citations (5)
| 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 |
| 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 |
-
2013
- 2013-07-04 CN CN201310278191.3A patent/CN103346837B/en active Active
Patent Citations (5)
| 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 |
| 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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| CN103346837B (en) | 2016-08-24 |
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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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