CN202424724U - Wavelength division multiplexing video and audio optical transceiver with multiway parallel light - Google Patents

Wavelength division multiplexing video and audio optical transceiver with multiway parallel light Download PDF

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Publication number
CN202424724U
CN202424724U CN2011204907927U CN201120490792U CN202424724U CN 202424724 U CN202424724 U CN 202424724U CN 2011204907927 U CN2011204907927 U CN 2011204907927U CN 201120490792 U CN201120490792 U CN 201120490792U CN 202424724 U CN202424724 U CN 202424724U
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China
Prior art keywords
optical transceiver
power supply
base plate
audio frequency
signal
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CN2011204907927U
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Chinese (zh)
Inventor
苏威积
肖鹏
裴彦杰
张�杰
林秀春
陈攀
白松
张春杰
何毅
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BEIJING AIWEI ELECTRONIC TECHNOLOGY Co Ltd
No706 Institute Of No2 Research Institute China Aerospace Science & Industry Corp
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BEIJING AIWEI ELECTRONIC TECHNOLOGY Co Ltd
No706 Institute Of No2 Research Institute China Aerospace Science & Industry Corp
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Abstract

The utility model discloses a wavelength division multiplexing video and audio optical transceiver with multiway parallel light. The wavelength division multiplexing video and audio optical transceiver is characterized in that an optical transceiver with 16-way parallel, single mode and single core and 3-way optical carrier is adopted. The optical transceiver comprises a first power supply, a second power supply, a base plate and a receiving plate. The first power supply and the second power supply are arranged on the left side of the optical transceiver and connected with the base plate and supply power for the base plate; the base plate is arranged at the middle-rear part of the optical transceiver and fixed with the outer casing of the optical transceiver; the base plate receives power supply signals from the first power supply and the second power supply and assigns the signals to the receiving plate. The optical transceiver can realize full high definition video real-time transmission and accelerate multiway data parallel processing.

Description

The audio frequency optical transceiver is looked in the multidiameter delay OWDM
Technical field
The utility model relates to full HD video image and implements the high-speed transfer switching technology, particularly relates to a kind of multidiameter delay OWDM and looks the audio frequency optical transceiver.
Background technology
The multidiameter delay OWDM is looked the audio frequency optical transceiver and is belonged to the full HD video image enforcement high-speed transfer switching technology in the multistage interconnected supervisory control system of wide area, is supporting, the visual plant of IP video camera.
In the first generation CCTV closed-circuit TV monitoring system before 2000, its equipment constitutes except outside analog video camera, image splitter, video cables, the matrix V CR (Video Cassette Recorder, video cassette recorder), just comprises optical transceiver.The simulated light terminal mainly is with the mode of analog fm, amplitude modulation, phase modulation transmission signals such as the video of base band, audio frequency, data to be modulated to a certain carrier wave at transmitting terminal, and receiving optical transceiver carries out demodulation, reverts to corresponding base band video, audio frequency, data-signal.
21 century begins; Optical transceiver can not adapt to the requirement of big capacity, multi-service transmission, babble, easy decay, easy to be aging, and stability and problems such as interchangeability is poor, after-sale service trouble are exposure again and again also; Digital Optical Terminal begins to move into market, replaces the simulated light terminal.The digital video optical transceiver is made up of transmitting terminal and receiving terminal two parts.The function of transmitting terminal is that the analog signal of user side is amplified, after the A/D conversion, multiplexing etc. the processing, pulled out conversion of signals through electricity-light conversion and become the optical signals Optical Fiber Transmission to receiving terminal.Carry out opposite processing at receiving terminal, transform the signal of telecommunication to light signal, the signal of telecommunication is given the user through demultiplexing, D/A conversion and amplification filtering.The Digital Optical Terminal transmission capacity is big, class of business is many, has improved the utilance of fiber bandwidth, has improved cost performance, also makes signal quality rise to higher level, has almost occupied most markets of optical transceiver.Nearly 2 years, along with the development of digital high-definition image technique, the digital supervision field need be transmitted the lot of data signal simultaneously, and is simultaneously increasingly high for the real-time display requirement of monitoring image, and this a large amount of multichannel data emissions just occurred and has received latency issue.
The utility model content
The purpose of the utility model is to provide a kind of multidiameter delay OWDM to look the audio frequency optical transceiver, is used for solving the prior art optical transceiver and can't realizes that there are latency issue in the real-time Transmission of full HD video and multichannel data emission reception.
To achieve these goals; The utility model provides a kind of multidiameter delay OWDM to look the audio frequency optical transceiver; It is characterized in that said optical transceiver is 16 tunnel parallel, single mode list core, 3 road light carrier wavelength division multiplexing optical transceivers, comprising: first power supply, second source, base plate, dash receiver;
Said first power supply, said second source are positioned at the left side of said optical transceiver, be connected with said base plate, and to said base plate power supply;
Said base plate is positioned at the postmedian of said optical transceiver, is fixed together with the shell of said optical transceiver, and said base plate receives power supply signal, and distributes to said dash receiver from said first power supply, said second source;
Said dash receiver is positioned at the front end of said optical transceiver, receives the multi-carrier signal of input, separates wavelength division multiplexing, and vision signal, double-directional speech signal, I/O alarm signal, the RS485 control signal of non-compression video signal, compression are recovered; The non-compression video signal is exported through the HDMI interface; The vision signal of compression is exported from the RJ45 network interface; Reach 1080P30fps, the double-directional speech signal through RJ45 network interface transmitted in both directions, is passed through RJ45 network interface transmitted in both directions with I/O alarm signal, RS485 control signal.
The audio frequency optical transceiver is looked in described multidiameter delay OWDM, and wherein, said first power supply, said second source get into said optical transceiver through a guide rail, and are linked to said base plate through a linker.
The audio frequency optical transceiver is looked in described multidiameter delay OWDM, and wherein, said first power supply, said second source are supplied power to said base plate through first power connector, second source connector respectively.
The audio frequency optical transceiver is looked in described multidiameter delay OWDM, wherein, and said first power supply and/or said second source tenaculum hot-line insertion and extraction.
The audio frequency optical transceiver is looked in described multidiameter delay OWDM, and wherein, said base plate is distributed to said dash receiver through a dash receiver connector with said power supply signal.
The audio frequency optical transceiver is looked in described multidiameter delay OWDM, wherein, and said base plate tenaculum electric heating plug.
The audio frequency optical transceiver is looked in described multidiameter delay OWDM, and wherein, said dash receiver is pegged graft through a said guide rail and a back plane connector.
The audio frequency optical transceiver is looked in described multidiameter delay OWDM, and wherein, said first power supply, said second source are redundant power.
The audio frequency optical transceiver is looked in described multidiameter delay OWDM, and wherein, said dash receiver passes through a single mode single-core fiber, image, data and control signal is modulated to respectively on 1310nm, 1490nm, the 1550nm light wave transmits.
The audio frequency optical transceiver is looked in described multidiameter delay OWDM; Wherein, Said dash receiver is through the HDMI/DVI/HD-SDI video interface; Export the non-compressed image 1920 * 1080P25Hz/30Hz/50Hz/60Hz of full HD video,, export full HD video compression image 1920 * 1080P25fps/30fps through the 100M Ethernet interface.
Compared with prior art, the beneficial effect of the utility model is:
The utility model had both possessed the function of general networking video camera (IPC), had solved the deficiency of general ip C simultaneously again.
The utility model relates to the full HD audio frequency optical transceiver of looking of the novel multidiameter delay OWDM that provides, and comprising: 16 tunnel parallel, single mode list core, 3 road light carrier wavelength division multiplexing optical transceivers, and every road all has following characteristics:
(1) support the dual code stream after full HD real non-destructive original video stream of 1080P25Hz/30Hz/50Hz/60Hz and sound, the video coding compression to transmit simultaneously.Through Embedded OWDM module, through a single mode single-core fiber, image, data and control signal are modulated to three kinds of light waves (1310nm, 1490nm, 1550nm) respectively go up transmission, save image coding and decoding computing time, improved real-time;
(2) through the HDMI/DVI/HD-SDI video interface, export the non-compressed image (1920 * 1080P25Hz/30Hz/50Hz/60Hz) of full HD video;
(3) through the 100M Ethernet interface, export full HD video compression image (1920 * 1080P25fps/30fps);
(4) output double-directional speech signal connects public address equipments such as audio amplifier, and the user can obtain the voice messaging of front end environment;
(5) through the RS485 control signal, can control equipment such as The Cloud Terrace;
(6) through 2 road I/O alarm signals, can insert warning device,, realize capturing function like ground induction coil, infrared acquisition, velocity radar etc.;
(7) card insert type design can be expanded flexibly;
(8) adopt two redundant powers.
The utility model is applicable to that government, public security, finance, telecommunications, school, airport, factory, hotel, museum, traffic monitoring etc. require the place of full HD real-time image quality video monitoring, video sharing.
Description of drawings
Fig. 1 is that audio frequency optical transceiver front view is looked in the multidiameter delay OWDM of the utility model;
Fig. 2 is that audio frequency optical transceiver vertical view is looked in the multidiameter delay OWDM of the utility model;
Fig. 3 is each modular construction sketch map that the audio frequency optical transceiver is looked in the multidiameter delay OWDM of the utility model;
Fig. 4 is the power supply architecture sketch map that the audio frequency optical transceiver is looked in the multidiameter delay OWDM of the utility model;
Fig. 5 is the base arrangement sketch map that the audio frequency optical transceiver is looked in the multidiameter delay OWDM of the utility model;
Fig. 6 is the dash receiver structural representation that the audio frequency optical transceiver is looked in the multidiameter delay OWDM of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail, but not as the qualification to the utility model.
As shown in Figure 1; Audio frequency optical transceiver front view is looked in the multidiameter delay OWDM that is the utility model; Fig. 2 is that audio frequency optical transceiver vertical view is looked in the multidiameter delay OWDM of the utility model, and Fig. 3 is each modular construction sketch map that the audio frequency optical transceiver is looked in the multidiameter delay OWDM of the utility model.
In conjunction with Fig. 1,2,3, the multidiameter delay OWDM is looked audio frequency optical transceiver (hereinafter to be referred as optical transceiver) 10 and is comprised: 16 tunnel parallel, single mode list core, 3 kinds of light carrier wavelength division multiplexing optical transceivers, and every road all has following characteristics:
(1) through the HDMI/DVI/HD-SDI video interface, exports the non-compressed image (1920 * 1080P25Hz/30Hz/50Hz/60Hz) of full HD video;
(2) through the 100M Ethernet interface, export full HD video compression image (1920 * 1080P25fps/30fps), connect switch, the network storage equipment or decoding device;
(3) output double-directional speech signal connects public address equipments such as audio amplifier, and the user can obtain the voice messaging of front end environment;
(4) through the RS485 control signal, can control equipment such as The Cloud Terrace;
(5) 2 road I/O alarm signals can insert warning device, like ground induction coil, infrared acquisition, velocity radar etc., realize capturing function;
(6) card insert type design, expansion is flexibly supported in modularized design, adopts two redundant powers.
Optical transceiver 10 can be realized the real-time Transmission of full HD video.
Full HD video image (Full HD) is meant the image that satisfies 1080P (1920 * 1080 line by line scan) HD video standard.Calculate with 24 RGBs of each pixel, 1920 * 1080 pixels of every two field picture, per second 30 two field pictures, the data transfer rate of each second is 1.4Gbit.The high-definition image signal is from first by the high-definition camera collection; To finally being shown by large high-definition screen curtain combination; The experience key equipment (when carrying out real-time non-compressed image, passes through 5 key equipments such as transmitting terminal optical transceiver, receiving terminal optical transceiver, matrix switcher, multi-screen processor, high-clear display successively; When carrying out compressed bit stream; Pass through 6 equipment such as encoding device, transmitting terminal optical transceiver, receiving terminal optical transceiver, switch, decoding device, high-clear display successively); 4 different medium channels (in the circuit board, between circuit board, equipment room, network) transmission; The processing delay of each equipment and the accumulation of the transmission delay of channel reduce the real-time of system greatly.
For example, the high-definition camera of front end adopts image compression rate higher H .264 algorithm that the 1080P image is compressed, and taking transmission bandwidth is 8M, and this greatly reduces the expense of Network Transmission.But because every width of cloth image all will pass through encoding-decoding process, computing cost increases greatly, causes 0.3 second to 0.7 second encoding and decoding of every width of cloth image time-delay.
Therefore, be the whole delay of resolution system, must consider a problem from reducing by two angles of transmission delay and raising processing speed.
Optical transceiver 10 is Real-time Transmission, the whole delay of resolution system of the full HD video of realization, needs to consider a problem from reducing by two angles of transmission delay and raising processing speed.
At first, reduce transmission delay.Optical transceiver 10 adopts SERDES (Serializer/Deserializer; Serializer/de-serializers) advantage of technology such as technology, LVDS (Low-Voltage Differential Signaling, Low Voltage Differential Signal) technology and light WDM (Wavelength Division Multiplexing, wavelength division multiplexing); In 20 kilometer range, need not via node; Incompressible high clear video image transmits, and has avoided the computing cost of image coding and decoding process, has solved the latency issue that encoding and decoding cause.
Optical transceiver 10 receives from CCD (Charge-coupled Device; Charge coupled cell) and CMOS (Complementary Metal Oxide Semiconductor; Complementary metal oxide semiconductors (CMOS)) HD video sensor acquisition vision signal; Vision signal with CMOS output after the signal process A/D digitlization of CCD output is a parallel signal, and clock frequency surpasses hundred megahertzes; Stride the disposable plates transmission for ease; Need process and string conversion; Go here and there again after the corresponding disposable plates and change; This transfer process is the implementation procedure of SERDES technology, and the concrete signal that adopts of SERDES is LVDS or CML, also is the inevitable choice of high speed circuit design through LVDS and CML serialization.In addition, the digital signal bandwidth of light carrier transmission is 3Gbps or more than the 5Gbps often, for waste bandwidth not, need electric baseband signal be modulated into same band.Utilize the WDM multi-transceiver technology that image, data and control signal are modulated to three kinds of light wave 1310nm, 1490nm, the last transmission of 1550nm respectively; Solved the transmission that in same channel (being same optical fiber), realizes multiple signal; Thereby save fiber resource and optical fibre installation cost, avoid waste.
Secondly, improve processing speed.Optical transceiver 10 adopts parallel multiprocessor technology, CPCI (CompactPeripheral Component Interconnect, compact PCI) bussing technique, improves the exchange capacity that the audio frequency optical transceiver is looked in the multidiameter delay OWDM, and then improves processing speed.
CPCI is as the communication between the multiprocessor, and its bus bandwidth and communication protocol have guaranteed the collaborative work between the multiprocessor, in the exchanges data of utilizing between each access board of multidiameter delay OWDM between collaborative each processor of CPCI.
Optical transceiver 10 comprises: power module 21,22, base plate 30, dash receiver 40, shell 50. Power module 21,22, base plate 30, dash receiver 40 are positioned at whole cabinet inside.
In Fig. 1, power module 21,22 is positioned at the left side of overall optical terminal 10, and HDMI interface 11, light interface 12, network interface 13 are positioned at the right side of overall optical terminal 10.
In Fig. 2, optical transceiver 10 is provided with fan hole 51, fan hole 52 on shell 50 one side up, is used for heat radiation.
Optical transceiver 10 adopts the card insert type design, can expand flexibly.
Optical transceiver 10 has been realized card insert type design and flexible expandable functions through Guide Rail Design, standard back-plane design and modularized design.
As shown in Figure 4, be the power supply architecture sketch map that the audio frequency optical transceiver is looked in the multidiameter delay OWDM of the utility model.
The power supply of optical transceiver 10 adopts two redundant powers, and power module 21,22 is redundant power.
Optical transceiver 10 is equipped with 21,22, two power modules 21,22 of two power modules altogether and supplies power simultaneously, thereby solves under the single power supply electric power thus supplied, in case power supply breaks down and overall optical terminal 10 phenomenon of just cutting off the power supply.
Power module 21,22 is in the left side of overall optical terminal 10, and power module 21,22 advances overall optical terminals 10 through guide rail 3, is linked to base plate 30 with the linker (not shown) of special use, gives base plate 30 power supplies.
Power module 21,22 is the tenaculum hot-line insertion and extraction all, can warm swap, and do not influence complete machine work.
As shown in Figure 5, be the base arrangement sketch map that the audio frequency optical transceiver is looked in the multidiameter delay OWDM of the utility model.
After power module 21,22 was given base plate 30 power supplies through power connector 1 or power connector 2, base plate 30 just can be distributed to the dash receiver 40 of each optical transceiver 10, realization electrical connection effect through dash receiver connector 4 with power supply signal.This base plate 30 tenaculum electric heating plug.
Base plate 30 is positioned at the postmedian of overall optical terminal 10, and this base plate 30 is fixing with shell 50, guarantees the structural stability and the Electro Magnetic Compatibility of base plate 30.
As shown in Figure 6, be the dash receiver structural representation that the audio frequency optical transceiver is looked in the multidiameter delay OWDM of the utility model.
Dash receiver 40 is positioned at the front end of optical transceiver 10, pegs graft through guide rail 3 and back plane connector (not shown), can warm swap.
The function of dash receiver 40 is following:
1) support the dual code stream after full HD real non-destructive original video stream of 1080P25Hz/30Hz/50Hz/60Hz and sound, the video coding compression to transmit simultaneously.Through Embedded OWDM module; Through a single mode single-core fiber (single mode list core); Image, data and control signal are modulated to three kinds of light waves (1310nm, 1490nm, 1550nm) respectively go up transmission, save image coding and decoding computing time, improved real-time.
2) through the HDMI/DVI/HD-SDI video interface, export the non-compressed image of full HD video (1920 * 1080P25Hz/30Hz/50Hz/60Hz), connect display device;
3) through the 100M Ethernet interface, export full HD video compression image (1920 * 1080P25fps/30fps), connect switch, the network storage equipment or decoding device;
4) output double-directional speech signal connects public address equipments such as audio amplifier, and the user can obtain the voice messaging of front end environment;
5) through the RS485 control signal, can control equipment such as The Cloud Terrace;
6) through 2 road I/O alarm signals, can insert warning device,, realize capturing function like ground induction coil, infrared acquisition, velocity radar etc.
The implementation of dash receiver 40: receive from the multi-carrier signal of LC optical fiber interface input, separate wavelength division multiplexing, vision signal, double-directional speech signal, IO alarm signal, the RS485 control signal of non-compression video signal, compression are recovered.The non-compression video signal through the output of HDMI interface, is exported the vision signal of compression from the RJ45 network interface, reached 1080P30fps; The double-directional speech signal is through RJ45 network interface transmitted in both directions; IO alarm signal, RS485 control signal are through RJ45 network interface transmitted in both directions.
The utility model had both possessed the function of general networking video camera (IPC), had solved the deficiency of general ip C simultaneously again.
The full HD audio frequency optical transceiver of looking of the multidiameter delay OWDM that the utility model provides comprises: 16 tunnel parallel, single mode list core, 3 kinds of light carrier wavelength division multiplexing optical transceivers.
The utility model is applicable to that government, public security, finance, telecommunications, school, airport, factory, hotel, museum, traffic monitoring etc. require the place of full HD real-time image quality video monitoring, video sharing.
Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.

Claims (10)

1. the audio frequency optical transceiver is looked in a multidiameter delay OWDM, it is characterized in that, said optical transceiver is 16 tunnel parallel, single mode list core, 3 road light carrier wavelength division multiplexing optical transceivers, comprising: first power supply, second source, base plate, dash receiver;
Said first power supply, said second source are positioned at the left side of said optical transceiver, be connected with said base plate, and to said base plate power supply;
Said base plate is positioned at the postmedian of said optical transceiver, is fixed together with the shell of said optical transceiver, and said base plate receives power supply signal, and distributes to said dash receiver from said first power supply, said second source;
Said dash receiver is positioned at the front end of said optical transceiver, receives the multi-carrier signal of input, separates wavelength division multiplexing, and vision signal, double-directional speech signal, I/O alarm signal, the RS485 control signal of non-compression video signal, compression are recovered; The non-compression video signal is exported through the HDMI interface; The vision signal of compression is exported from the RJ45 network interface; Reach 1080P30fps, the double-directional speech signal through RJ45 network interface transmitted in both directions, is passed through RJ45 network interface transmitted in both directions with I/O alarm signal, RS485 control signal.
2. the audio frequency optical transceiver is looked in multidiameter delay OWDM according to claim 1, it is characterized in that, said first power supply, said second source get into said optical transceiver through a guide rail, and are linked to said base plate through a linker.
3. the audio frequency optical transceiver is looked in multidiameter delay OWDM according to claim 1, it is characterized in that, said first power supply, said second source are supplied power to said base plate through first power connector, second source connector respectively.
4. look the audio frequency optical transceiver according to claim 1,2 or 3 described multidiameter delay OWDMs, it is characterized in that, said first power supply and/or said second source tenaculum hot-line insertion and extraction.
5. the audio frequency optical transceiver is looked in multidiameter delay OWDM according to claim 1, it is characterized in that, said base plate is distributed to said dash receiver through a dash receiver connector with said power supply signal.
6. look the audio frequency optical transceiver according to claim 1,2,3 or 5 described multidiameter delay OWDMs, it is characterized in that, said base plate tenaculum electric heating plug.
7. the audio frequency optical transceiver is looked in multidiameter delay OWDM according to claim 2, it is characterized in that, said dash receiver is pegged graft through a said guide rail and a back plane connector.
8. look the audio frequency optical transceiver according to claim 1,2,3,5 or 7 described multidiameter delay OWDMs, it is characterized in that said first power supply, said second source are redundant power.
9. look the audio frequency optical transceiver according to claim 1,2,3,5 or 7 described multidiameter delay OWDMs; It is characterized in that; Said dash receiver passes through a single mode single-core fiber, image, data and control signal is modulated to respectively on 1310nm, 1490nm, the 1550nm light wave transmits.
10. look the audio frequency optical transceiver according to claim 1,2,3,5 or 7 described multidiameter delay OWDMs; It is characterized in that; Said dash receiver is through the HDMI/DVI/HD-SDI video interface; Export the non-compressed image 1920 * 1080P25Hz/30Hz/50Hz/60Hz of full HD video,, export full HD video compression image 1920 * 1080P25fps/30fps through the 100M Ethernet interface.
CN2011204907927U 2011-11-30 2011-11-30 Wavelength division multiplexing video and audio optical transceiver with multiway parallel light Expired - Lifetime CN202424724U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104427299A (en) * 2013-08-23 2015-03-18 北京计算机技术及应用研究所 Ultra high definition video camera composite communication system and method
CN111123139A (en) * 2018-10-30 2020-05-08 中国移动通信集团广东有限公司 Power supply guarantee system, early warning device and guarantee and early warning method of optical line terminal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104427299A (en) * 2013-08-23 2015-03-18 北京计算机技术及应用研究所 Ultra high definition video camera composite communication system and method
CN111123139A (en) * 2018-10-30 2020-05-08 中国移动通信集团广东有限公司 Power supply guarantee system, early warning device and guarantee and early warning method of optical line terminal

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