CN201282528Y - Video optical transmitter-receiver with Ethernet interface - Google Patents
Video optical transmitter-receiver with Ethernet interface Download PDFInfo
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- CN201282528Y CN201282528Y CNU2008201549711U CN200820154971U CN201282528Y CN 201282528 Y CN201282528 Y CN 201282528Y CN U2008201549711 U CNU2008201549711 U CN U2008201549711U CN 200820154971 U CN200820154971 U CN 200820154971U CN 201282528 Y CN201282528 Y CN 201282528Y
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Abstract
A video fiber optic transmission device with an Ethernet interface solves the problem that the transmission cost of Ethernet signals around video monitory points is reduced. The utility model is characterized in that Ethernet interfaces are separately arranged on a transmitter and a receiver of the prior video fiber optic transmission device. In addition, a core processing chip of the transmitter and a core processing chip of the receiver separately adopt an FPGA (Field Programmable Gate Array) chip; a transmitter optical port PHY and the receiver optical port PHY separately adopts gigabit PHY. Both the band width of a transmitter symmetrical optical port and the band width of a receiver symmetrical optical port are 350 MHz. The video fiber optic transmission device of the utility model provides an Ethernet channel with a 50 Mbps band width, and expands the application of video fiber optic transmission device products, so that, the traditional video transmission manner is more widely used, the multiplexing and long-distance transmission of the following, such as video data, audio data and Ethernet signals, the resources, such as optical fibers and the like, are saved; and the input cost of a user can be reduced.
Description
Technical field
The utility model relates to a kind of video optical multiplexer, refers in particular to a kind of video optical multiplexer with ether interface.
Background technology
The effect of video optical multiplexer is the paired use (transmitting terminal and receiving terminal) by this equipment, at front end (transmitting terminal) signals such as video, complex data are multiplexed into an optical fiber after unified the access, arrive rear end (receiver) through the optical fiber long-distance transmissions again, be linked into back Surveillance center after by the receiver demultiplexing associated video, composite data signal being resolved, realize collection, transmission, storage and the distribution of long distance video, composite data signal.In a lot of industries, use for example remote monitoring of highway, bank vault, unit and sub-district security at present; The long distance environment monitoring of environmental administration.The video optical multiplexer major part of Sheng Chaning has only video, audio frequency, data channel (RS232/RS485/RS422) and switching value interface in the market.The user will realize the transmission of control point and near ether data, just must select other circuit (renting optical fiber or cable etc.) to solve, but along with the requirement of urban construction management, the difficulty of digging laying optical fiber increasing, the social cost, the Financial cost that cause are also more and more higher.
The utility model content
The purpose of this utility model is in order to solve the problem that above-mentioned prior art exists, provide a kind of in long-distance video and composite data signal transmission equipment, increasing an EtherChannel again is multiplexed in the optical fiber and transmits, to realize making full use of fiber resource, solve the video optical multiplexer of the band ether interface of two places ether signal transmission.
The purpose of this utility model is achieved in that
A kind of video optical multiplexer with ether interface comprises the receiver of local terminal and the transmitter of the far-end that connects by optical fiber, and described transmitter comprises: the video input block that receives analog video signal; The transmitter 4 circuit-switched data signal complex components of the input of the video analog-to-digital conversion sample unit that is connected with the video input block, complex data, audio signal, switching value and output signal; The transmitter kernel processor chip that is connected with video analog-to-digital conversion sample unit and 4 circuit-switched data signal complex components; The transmitter light mouth external signal interface chip that is connected with the transmitter kernel processor chip; Transmitter symmetrical beam mouth that is connected with transmitter light mouth external signal interface chip and the transmitter indicator light that is connected with the transmitter kernel processor chip; Described receiver comprises: the receiver kernel processor chip; The video digital-to-analogue conversion parts that are connected with the receiver kernel processor chip; The video input block that is connected with video digital-to-analogue conversion parts; The input of complex data, audio signal, switching value and the receiver of output signal 4 circuit-switched data signal complex components; The receiver light mouth external signal interface chip that is connected with the receiver kernel processor chip; The transmitter symmetrical beam mouth that is connected with receiver light mouth external signal interface chip; Receiver indicator light that is connected with the receiver kernel processor chip and the single-chip microcomputer webmaster that is connected with receiver light mouth external signal interface chip, it is characterized in that: described transmitter kernel processor chip also connects a transmitter ether interface; Described receiver kernel processor chip also connects a receiver ether interface; Described transmitter kernel processor chip and described receiver kernel processor chip are field programmable gate array chips; Described transmitter light mouth external signal interface chip and described receiver light mouth external signal interface chip are gigabit external signal interface chips; Described transmitter symmetrical beam mouth and described receiver symmetrical beam port band width are 350MHz.
The beneficial effects of the utility model:
The video optical multiplexer of band ether interface of the present utility model, for there being ether data channel access demand that a kind of convenience is provided near the far-end (transmitter), the approach of saving, its maximum bandwidth is 50Mbps, can satisfy the required high bandwidth requirement of present Access Network, because this equipment is in video transmission the ether signal also to be multiplexed into optical fiber to transmit together, do not need to lay in addition new optical cable or other circuit, reduced construction period, and EtherChannel does not disturb mutually with other channels, even certain interface or channel-failures occur, also can not have influence on the transmission of other signals, save near the transmission cost of ether signal video monitoring point greatly.
For further specifying above-mentioned purpose of the present utility model, design feature and effect, the utility model is elaborated below with reference to accompanying drawing.
Description of drawings
Fig. 1 be band ether interface of the present utility model the block diagram of video optical multiplexer;
Fig. 2 is the rear board schematic diagram of transmitter strap ether interface;
Fig. 3 is the rear board schematic diagram of receiver band ether interface;
Embodiment
Be elaborated below in conjunction with the video optical multiplexer embodiment of embodiment accompanying drawing to band ether interface of the present utility model.
The utility model has increased a RJ45 interface (ether interface) on transmitter and receiver on the prior art basis, the Gigabit EtherChannel of a 50Mbps bandwidth is provided, and realizes the multiplexing and long-distance transmissions of video, audio frequency, data and ether signal.
Referring to Fig. 1, band ether interface of the present utility model video optical multiplexer comprise: local terminal (receiver 100) connects far-ends (transmitter 200) by optical fiber 300.Transmitter 100 major functions are to gather vision signal, generally are placed on the scene of camera; And receiver 200 major functions to be vision signals that the transmitter that will be sent here by optical fiber 300 100 is gathered restore general centre machine room, just webmaster end.
Video input block 11 (being 1 road video input block) receives analog video signal and carries out filtering and 2 times of amplifications, adopts the ISL59110 parts.
Video analog-to-digital conversion sample unit (hereinafter to be referred as video AD C sample unit) 12, input is connected with the output of video input block 11, analog video signal is carried out analog-to-digital conversion and sampling, outputting video signal, present embodiment adopts the Hi1175 parts, and sample frequency is 15M, and the sampling width is 8Bits, in view of the above, calculate the bandwidth of vision signal: 1 tunnel * 15M Hz * 8Bits=120M.
Transmitter 4 circuit-switched data signal complex components 18, be that data-signal (wherein mainly contains RS422, two wires RS485, RS232), audio signal, the input of switching value and the composite component of output signal, export 4 tunnel compound data-signals (serial data), this is existing parts, the chip that adopts is respectively 7LB179 (ZT490), ZT485 (Max1483), Max202, W681512 and TX2-5.
Transmitter ether interface 19 receives and the output ethernet signal, and what present embodiment was selected for use is the KS8995 adaptive interface, and band width in physical is 50Mbps, and its physical interface is the RJ45 shape, and it is standard 568B/568A mode that transmitter ether interface 19 is made the line mode.Be safety, transmitter ether interface 19 connects a transmitter lightning-protection module 17, and it is to adopt differential mode and common mode two-stage lightning-protection module, and the lightning protection grade is 3000V.
Transmitter kernel processor chip 13 adopts field programmable gate array chip (hereinafter to be referred as fpga chip) and the kernel processor chip that do not use with the product of ether interface in the prior art is the CPLD chip.The input of transmitter kernel processor chip 13 is connected with described video AD C sample unit 12, transmitter 4 circuit-switched data signal complex components 18 and transmitter ether interface 19 respectively, the vision signal that collect to need sends, 4 tunnel compound data-signal and ethernet signals, send according to certain form then, receive reverse data simultaneously from the following transmitter symmetrical beam mouth 15 that will illustrate, parse correct data and send to each interface or carry out webmaster control, these parts adopt master chip EP1C3.
Transmitter light mouth external signal interface chip (hereinafter to be referred as transmitter light mouth PHY chip) 14, it is interface chip, be connected with described transmitter kernel processor chip 13, it is that transmitting-receiving is the gigabit PHY chip of one, inner coding mode is 8B/10B, employing be the light mouth laser transmission of 350M symmetry.Use the S2060A of AMCC company.
Transmitter symmetrical beam mouth 15 is optical module interfaces, is connected with described transmitter light mouth PHY chip 14, is 350M symmetry transmission laser.
Transmitter indicator light 16 is connected with described transmitter kernel processor chip 13, indication transmitter 100 operating states.
The function that above-mentioned transmitter 100 is finished mainly is exactly earlier vision signal and 4 tunnel compound data-signal and ethernet signals to be collected, and sends on the light mouth PHY chip with certain coded format then, sends to receiver by common symmetrical beam mouth at last.Because 4 tunnel compound data-signal (also claiming channel data) and ethernet signals all are two-way, so it needs a passage that receives reverse data simultaneously, therefore receives webmaster, channel data and the ethernet signal that receiver sends over from transmitter light mouth PHY chip 14.
Receiver kernel processor chip 23, adopt fpga chip, parse vision signal that transmitter 100 sends by optical fiber 300,4 tunnel compound data-signal and ethernet signal and network management datas according to the data transmission format on the transmitter 100, send channel data, Ethernet data and the network management data of local terminal simultaneously to transmitter 100, these parts adopt master chip EP1C3.
Video digital-to-analogue conversion parts (hereinafter to be referred as video DAC parts) 22, input is connected with described receiver kernel processor chip 23, receive the video data that receiver kernel processor chip 23 parses, be recovered to analog video signal by video DAC parts 22, present embodiment adopts HI5660.
Video input block 21 is filtering and amplifier unit, is connected with described video DAC parts 22, and the analog video signal after restoring is carried out filtering, amplifies back output analog video signal, and present embodiment adopts ISL59110.
Receiver 4 circuit-switched data signal complex components 28, be that (wherein data mainly contain RS422 to data-signal, two wires RS485, RS232), audio signal, the input of switching value and the composite component of output signal, be connected with described receiver kernel processor chip 23, the 4 tunnel compound data-signals that transmitter 100 is sent send to the corresponding interface chip according to data type (both sides must be consistent), the channel data that local terminal is received passes to receiver kernel processor chip 23 simultaneously, the chip that adopts is respectively 7LB179 (ZT490), ZT485 (Max1483), Max202, W681512 and TX2-5.
Receiver ether interface 29, structure is identical with above-mentioned transmitter ether interface 19 with function, also connects a receiver lightning-protection module 27 identical with transmitter lightning-protection module 17 structures, all is not repeated in this description at this.
Receiver light mouth external signal interface chip (hereinafter to be referred as receiver light mouth PHY chip) 24, be interface chip, be connected, receive the signal that far-end transmits with described receiver kernel processor chip 23, be that transmitting-receiving is the gigabit PHY chip of one, select S2060A equally for use.
Receiver symmetrical beam mouth 25: being the optical module interface, being connected with described receiver light mouth PHY chip 24, is 350M symmetry transmission laser.
Receiver indicator light 26 is connected with described receiver kernel processor chip 23, indication receiver 200 operating states.
Single-chip microcomputer webmaster 210: mainly be field programmable gate array (be called for short FPGA) lamp, control signal processing and with the communication of single-chip microcomputer.Light local terminal video lamp according to the far-end video lamp that receives; According to the channel data signal that receives, indicated the free of data input with indicator light; Detect ethernet signal, with the connection situation of ether meshwork lamp indication Ethernet; Simultaneously will this, the lamp information of far-end passes to single-chip microcomputer, and receives coherent signal in the control register that single-chip microcomputer transmits, and allows equipment select respective channel to operate in to forbid and allow two states according to control corresponding.
Above-mentioned receiver 200 is 350M data that receiver/transmitter sends over, thereby parses video data, the network management data of far-end, channel data and Ethernet data.Network management data, channel data and Ethernet data with local terminal sends to transmitter 200 with receiver light mouth PHY chip 24 simultaneously.Because will carry out webmaster at local terminal, so Duoed single-chip microcomputer webmaster 210 circuit than transmitter, other are exactly the inverse process of transmitter substantially.
The rear board of transmitter of the present utility model and receiver is referring to Fig. 2-3, as shown in the figure, be equipped with following connection jaws on the rear board of transmitter: light mouth 101, video input port 102, data channel 103, Ethernet interface 104, switch 105, AC power 106, ground connection mouth 107; Be equipped with following connection jaws on the rear board of receiver: light mouth 201, video output 202, data channel 203, Ethernet interface 204, switch 205, AC power 206, ground connection mouth 207.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the purpose of this utility model, and be not with opposing qualification of the present utility model, as long as in essential scope of the present utility model, all will drop in the scope of claim of the present utility model variation, the modification of the above embodiment.
Claims (7)
1, a kind of video optical multiplexer with ether interface comprises the receiver of local terminal and the transmitter of the far-end that connects by optical fiber, and described transmitter comprises: the video input block that receives analog video signal; The transmitter 4 circuit-switched data signal complex components of the input of the video analog-to-digital conversion sample unit that is connected with the video input block, complex data, audio signal, switching value and output signal; The transmitter kernel processor chip that is connected with video analog-to-digital conversion sample unit and 4 circuit-switched data signal complex components; The transmitter light mouth external signal interface chip that is connected with the transmitter kernel processor chip; Transmitter symmetrical beam mouth that is connected with transmitter light mouth external signal interface chip and the transmitter indicator light that is connected with the transmitter kernel processor chip; Described receiver comprises: the receiver kernel processor chip; The video digital-to-analogue conversion parts that are connected with the receiver kernel processor chip; The video input block that is connected with video digital-to-analogue conversion parts; The input of complex data, audio signal, switching value and the receiver of output signal 4 circuit-switched data signal complex components; The receiver light mouth external signal interface chip that is connected with the receiver kernel processor chip; The transmitter symmetrical beam mouth that is connected with receiver light mouth external signal interface chip; Receiver indicator light that is connected with the receiver kernel processor chip and the single-chip microcomputer webmaster that is connected with receiver light mouth external signal interface chip is characterized in that:
Described transmitter kernel processor chip also connects a transmitter ether interface;
Described receiver kernel processor chip also connects a receiver ether interface;
Described transmitter kernel processor chip and described receiver kernel processor chip are field programmable gate array chips;
Described transmitter light mouth external signal interface chip and described receiver light mouth external signal interface chip are gigabit external signal interface chips;
Described transmitter symmetrical beam mouth and described receiver symmetrical beam port band width are 350MHz.
2, the video optical multiplexer of band ether interface as claimed in claim 1 is characterized in that:
The ether interface of described transmitter adopts adaptive interface, and band width in physical is 50Mbps.
3, the video optical multiplexer of band ether interface as claimed in claim 1 is characterized in that:
The ether interface of described receiver adopts adaptive interface, and band width in physical is 50Mbps.
4, the video optical multiplexer of band ether interface as claimed in claim 1 is characterized in that:
The physical interface of the ether interface of described transmitter is the RJ45 shape.
5, the video optical multiplexer of band ether interface as claimed in claim 1 is characterized in that:
The physical interface of the ether interface of described receiver is the RJ45 shape.
6, the video optical multiplexer of band ether interface as claimed in claim 1 is characterized in that:
Described transmitter ether interface connects a transmitter lightning-protection module, is to adopt differential mode and common mode two-stage lightning-protection module, and the lightning protection grade is 3000V.
7, the video optical multiplexer of band ether interface as claimed in claim 1 is characterized in that:
Described receiver ether interface connects a transmitter lightning-protection module, is to adopt differential mode and common mode two-stage lightning-protection module, and the lightning protection grade is 3000V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201549711U CN201282528Y (en) | 2008-11-06 | 2008-11-06 | Video optical transmitter-receiver with Ethernet interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201549711U CN201282528Y (en) | 2008-11-06 | 2008-11-06 | Video optical transmitter-receiver with Ethernet interface |
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| CN201282528Y true CN201282528Y (en) | 2009-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201549711U Expired - Fee Related CN201282528Y (en) | 2008-11-06 | 2008-11-06 | Video optical transmitter-receiver with Ethernet interface |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621676B (en) * | 2009-07-31 | 2011-09-28 | 武汉虹信通信技术有限责任公司 | Cascade connection type video optical transmitter and receiver with protection of optical self-healing ring |
| CN102215173A (en) * | 2011-06-22 | 2011-10-12 | 上海博康智能网络科技有限公司 | Ethernet service transmitting and receiving method and device capable of dynamically configuring bandwidth |
| CN102547252A (en) * | 2010-12-09 | 2012-07-04 | 盛乐信息技术（上海）有限公司 | Method and system for multiplexing other data in audio-video code stream by using FPGAs (field programmable gate arrays) |
| CN103346837A (en) * | 2013-07-04 | 2013-10-09 | 无锡思泰迪半导体有限公司 | Optical transceiver system in integrated design |
| CN103580756A (en) * | 2013-11-13 | 2014-02-12 | 四川微迪通信技术有限公司 | Multi-channel independent Ethernet integrated service unvarnished transmission optical transceiver |
| CN104010171A (en) * | 2014-06-05 | 2014-08-27 | 杭州电子科技大学 | Underwater high-definition video optical fiber communication device based on Gigabit transceivers |
| CN105657452A (en) * | 2016-01-22 | 2016-06-08 | 天津瑞发科半导体技术有限公司 | Hybrid transmission system and method for USB data and video data |
-
2008
- 2008-11-06 CN CNU2008201549711U patent/CN201282528Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621676B (en) * | 2009-07-31 | 2011-09-28 | 武汉虹信通信技术有限责任公司 | Cascade connection type video optical transmitter and receiver with protection of optical self-healing ring |
| CN102547252A (en) * | 2010-12-09 | 2012-07-04 | 盛乐信息技术（上海）有限公司 | Method and system for multiplexing other data in audio-video code stream by using FPGAs (field programmable gate arrays) |
| CN102215173A (en) * | 2011-06-22 | 2011-10-12 | 上海博康智能网络科技有限公司 | Ethernet service transmitting and receiving method and device capable of dynamically configuring bandwidth |
| CN102215173B (en) * | 2011-06-22 | 2014-03-05 | 博康智能网络科技股份有限公司 | Ethernet service transmitting and receiving method and device capable of dynamically configuring bandwidth |
| CN103346837A (en) * | 2013-07-04 | 2013-10-09 | 无锡思泰迪半导体有限公司 | Optical transceiver system in integrated design |
| CN103346837B (en) * | 2013-07-04 | 2016-08-24 | 无锡思泰迪半导体有限公司 | A kind of optical transceiver system of Integrated design |
| CN103580756A (en) * | 2013-11-13 | 2014-02-12 | 四川微迪通信技术有限公司 | Multi-channel independent Ethernet integrated service unvarnished transmission optical transceiver |
| CN104010171A (en) * | 2014-06-05 | 2014-08-27 | 杭州电子科技大学 | Underwater high-definition video optical fiber communication device based on Gigabit transceivers |
| CN105657452A (en) * | 2016-01-22 | 2016-06-08 | 天津瑞发科半导体技术有限公司 | Hybrid transmission system and method for USB data and video data |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20141106 |
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| EXPY | Termination of patent right or utility model |