CN201004693Y - Digital video integrated multi-service transmission switching platform - Google Patents
Digital video integrated multi-service transmission switching platform Download PDFInfo
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- CN201004693Y CN201004693Y CN 200720106007 CN200720106007U CN201004693Y CN 201004693 Y CN201004693 Y CN 201004693Y CN 200720106007 CN200720106007 CN 200720106007 CN 200720106007 U CN200720106007 U CN 200720106007U CN 201004693 Y CN201004693 Y CN 201004693Y
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Abstract
The utility model provides a digital video comprehensive multiple services transmission and exchange platform, which consists of an input subsystem, an output subsystem and a backboard exchange subsystem; wherein, the input subsystem is used for putting in digital non-compressible video frequency, digital compressible video frequency or analogue video frequency; while the output subsystem is used for exchanging and putting out digital non-compressible video frequency, digital compressible video frequency or analogue video frequency; whereas the backboard exchange subsystem is used for crossing and connecting the digital video frequency. The input digital video frequency is connected to the output subsystem to be put out through the backboard exchange subsystem. The utility model has the advantages that the digital video comprehensive optical fiber transmission network is seamlessly connected with the digital video exchange network to realize the aim of uniformly controlling the whole transmission and exchange platform only through one digital video comprehensive transmission and exchange management platform.
Description
Technical field
The utility model belongs to the digital fiber communication technical field, relate in particular to a kind of with digital video transmission and be exchanged for the integrated multi-service Optical Fiber Transmission and the switching plane of core.
Background technology
At present, video surveillance network adopts pure simulation, analog digital to combine substantially and is three kinds of patterns of pure digi-tal of core with the video server.
For the pure analog video supervisory control system, generally adopt video optical multiplexer to carry out that video switch is carried out in video transmission, traditional analog video matrix and control, the control of matrix multiple cascading networks are networked, DVR is stored.There is following shortcoming in this kind pattern:
1, system video is of low quality, because the AD/DA that wants matrix cascade, video transmission need carry out repeatedly changes, has influenced video quality greatly;
2, the progression of matrix cascade is limited, general being difficult to above three grades;
3, professional single, can not accomplish the networking transmission of integrated service;
4, function is limited, only limits to the simulation networking of video, has no idea to carry out integrated management;
5, can't realize large-scale networked application.
Therefore, pure analogue system only is adapted at using in the video surveillance network on a small scale.
The analog digital system of combining be a kind of in order to solve large-scale networked half-way house that propose, this type systematic is a video-frequency networking solution comparatively commonly used at present.System front end adopts video optical multiplexer to transmit, and the system branch center is adopted the analog video matrix to switch and controlled, and carries out digital networking between each branch center configuration video server and the head center.The combine characteristics of system of this analog digital are that macroreticular adopts compressed digital video to network, and adopt the mode of digital virtual matrix to carry out the control and the transmission of digital video.This system's biggest advantage is the transmission of multiple cascading networks on a large scale, the control problem that has solved video, but its shortcoming is also obvious unusually, as:
1, adopt the compressed video networking, the video quality of networking is not high, is difficult to go up screen wall;
2, broadband metropolitan area network is often adopted in transmission, and transmission capacity is very limited, and along with the expansion of network, system a lot of bottlenecks can occur in transport layer, causes the networking performance sharply to descend at last;
3, real-time video is relatively poor, can not satisfy the requirement to on-the-spot real-time video such as public security;
4, system secrecy and reliability are all relatively poor;
5, system's multi-service application power is poor;
The pure digi-tal video monitoring system that with the video server is core then is the digital video monitoring pattern that just grew up in recent years, and the great advantage of this kind pattern is that system is simple, all adopts the compressed video pattern to transmit and exchange.Its maximum shortcoming is:
1, video camera is filmed video and just is compressed processing, can't obtain undamaged high-quality video, can't provide undamaged high-quality video in the high-quality video occasion of needs;
2, the transmission of video separates fully with control section, and the transmission of system relies on public ip network fully and realizes, transmission quality is difficult to ensure;
3, the control of system is finished by virtual matrix, and systemic-function is very limited, and is difficult to stablize, and the performance of system and Ethernet switch performance are closely bound up;
4, owing to the high bandwidth requirement of digital video, therefore be easy to cause network blockage, even cause network paralysis.
Summary of the invention
In order to solve the demand of extensive video monitoring networking transmission and control, especially the demand of the unified high-quality video networking of entire city scope, the utility model proposes a kind of omnibearing digital video integrated multi-service Optical Fiber Transmission and switching plane, it is a core with digital video (comprising digital non-compression video and digital compression video), integrating video, audio frequency, data, ethernet signal, is a kind of digital video comprehensive transmission switching network platform of high performance-price ratio.
For this reason, the technical solution adopted in the utility model is as follows:
A kind of digital video integrated multi-service transmission switching plane, it is made of input subsystem, output subsystem and backboard switching subsystem three parts, input subsystem is used for the input of digital non-compression video, digital compression video or analog video, output subsystem is used for the exchange output of digital non-compression video, digital compression video or analog video, the backboard switching subsystem is used for the interconnection of digital video, and the digital video of input is connected to output subsystem by this backboard switching subsystem and exports.
Described input subsystem is made up of digital non-compression video optical fiber access node, digital compression video optical fiber access node, 16 passage light access cards, 16 road analog video input cards, four parts, digital non-compression video optical fiber access node is connected with 16 passage light access cards by optical fiber with digital compression video optical fiber access node, analog video is by the input of 16 road analog video input cards, and 16 passage light access cards, 16 road analog video input cards are connected with the backboard switching subsystem by data/address bus.Digital non-compression video optical fiber access node and digital compression video optical fiber access node are connected network and become star-like, cascade connection type or looped network type topological structure with 16 passage light access cards, the light mouth that inserts digital non-compression video optical fiber access node and digital compression video optical fiber access node is compatible interchangeable.
Described output subsystem is made up of 16 tunnels analogy video output cards and 16 passage light access cards, wherein: 16 tunnels analogy video output cards have 16 analog video output channels, exportable nearly 16 road analog video signals, this 16 tunnels analogy video output card has 16 155M digital switch modules, the 16 way word non-compression video signals that come from the transmission of backboard switching subsystem exchange laggard line output through Switching Module, 16 passage light access cards are with the pattern output digital video of light signal, and the cascade that is used between a plurality of plateform systems connects.
Described backboard switching subsystem has the Switching Module of 16 1000M digital signals, and the connection between the backboard switching subsystem input/output cards all connects by the bus transceiver module.
Adopt the utility model digital video comprehensive transmission switching plane of technique scheme, it is integrated in one digital video optical fiber transmission network and digital video matrix functions, comprehensive optical fiber transmission network of digital video and digital video switching network (being character matrix) have been carried out seamless link and fusion, realized that whole transmission and switching plane carry out unified management by digital video comprehensive transmission exchange of management software platform.
Adopt the utility model digital video comprehensive transmission switching plane can reduce the complexity of video monitoring system greatly.System has substituted traditional optical transceiver+video distributor+analog matrix+codec+video synthesis management software+numerous equipment such as optical transceiver webmastering software, it is unusual short and sweet that the system that makes becomes, and strengthened the performance index of system and the maintainability of system.
Description of drawings
Fig. 1 is the utility model digital video comprehensive transmission switching plane president structure chart;
Fig. 2 is a digital non-compression video optical fiber access node schematic diagram;
Fig. 3 is a digital compression video optical fiber access node schematic diagram;
Fig. 4 is 16 passage light access card schematic diagrams;
Fig. 5 is 16 tunnels analogy video input card schematic diagrams;
Fig. 6 is 16 tunnels analogy video output card schematic diagrams;
Fig. 7 is a backboard switching subsystem schematic diagram.
Embodiment
Below, in conjunction with the accompanying drawings and embodiments the utility model is further specified.
Referring to accompanying drawing.Digital video integrated multi-service transmission switching plane of the present utility model is a complete totally digitilized Optical Fiber Transmission and a switching plane that is made of input subsystem, output subsystem and backboard switching subsystem three parts, and wherein: input subsystem is made up of digital non-compression video optical fiber access node, digital compression video optical fiber access node, 16 passage light access cards, 16 road analog video input cards, four parts; Output subsystem is made up of 16 tunnels analogy video output cards, 16 passage light access cards; The backboard switching subsystem mainly is made up of the cross connect system of 16 1000M digital signals.Each parts has following characteristics:
Digital non-compression video optical fiber access node is the Optical Fiber Transmission subsystem of a digital non-compression video, and this subsystem has following characteristics:
1, the digital non-compression video port number reaches 8;
2, can form randomly topologically structured transmission network, as list/pair fine self-healing looped network, list/pair fine link network, Star network, Tree Network, tangent rings web frame, chain/ring-like optical branch etc.;
3, adopt the non-compression coding technology of 10BIT numeral;
4, have 2 light mouths, adopt 1000M optical fiber speed rates;
5, system has the comprehensive transmission ability, can the I/O video, signal such as audio frequency, data, Ethernet, phone, the intercommunication of love peak, E1, remote alarm interface.
Digital compression video optical fiber access node is the Optical Fiber Transmission subsystem of a digital compressed video, and this subsystem has following characteristics:
1, digital compression video channel number reaches 4;
2, compressed format can be MPEG2 or H.264;
3, can form randomly topologically structured transmission network, as list/pair fine self-healing looped network, list/pair fine link network, Star network, Tree Network, tangent rings web frame, chain/ring-like optical branch etc.;
4, adopt the IP transmission technology;
5, have 2 light mouths, adopt 100M/1000M optical fiber speed rates;
6, system has the comprehensive transmission ability, can the I/O video, signal such as audio frequency, data remote alarm interface.
16 passage light access cards are the optical fiber access cards with 16 100M/1000M optical channels, and it can receive nearly signals such as digital video on 16 optical fiber links, audio frequency.This access card possesses the exchange capacity of 16 155M passages, and the signal that transmits on the optical link outputed to the backboard Switching Module after advancing exchange.This 16 passage light access card has following characteristics:
1, the optical channel number is nearly 16;
2, each optical channel all has the 100M/1000M transmittability;
3, each optical channel can be formed randomly topologically structured transmission network, as list/pair fine self-healing looped network, list/pair fine link network, Star network, Tree Network, tangent rings web frame, chain/ring-like optical branch etc.;
4, adopt IP transmission and switching technology;
5, each optical channel adapts to the transmission of digital non-compression video and digital compression video automatically;
6, the bus transfer digit rate that outputs to the backboard Switching Module reaches 1000M;
7, each light mouth all has the comprehensive transmission ability, can the I/O video, signal such as audio frequency, data remote alarm interface.
16 tunnels analogy video input cards are the input cards with 16 analog video passages, and it can receive nearly 16 tunnel analog signals, carry out being input to 16 155M interchange channels after the analog-to-digital conversion, at last through outputing to the backboard Switching Module after the exchange.This 16 tunnels analogy video input card has following characteristics:
1, the video channel number is nearly 16;
2, adopt 10BIT PCM digital non-compression video coding;
3, have 16 155M interchange channels, adopt IP transmission and switching technology;
4, the bus transfer digit rate that outputs to the backboard Switching Module reaches 1000M.
Output subsystem mainly is 16 road analog video output cards, and 16 passage light access cards also can be used as output card and use.By 16 road analog video output cards, can directly export the light signal of digital non-compression video, be used for and being connected of upper level system.
16 tunnels analogy video output cards are the output cards with 16 analog video passages, and it can export nearly 16 road analog video signals.This jig has 16 155M digital switch modules, and the 16 way word non-compression video signals process that transmits from backboard exchanges laggard line output.This 16 tunnels analogy video output card has following characteristics:
1, the video channel number is nearly 16;
2, adopt 10BIT PCM digital non-compression video coding;
3, have 16 155M interchange channels, adopt IP transmission and switching technology;
4, the bus transfer digit rate that is connected with the backboard Switching Module reaches 1000M.
The backboard switching subsystem is mainly finished the cross connect function of 16 1000M digital signals.The 1000M transmission rate is all adopted in the external I/O of system.This subsystem has following characteristics:
1, big capacity exchange capacity, exchange capacity reaches 16G;
2, coffret speed height adopts the 1000M bus transfer;
3,16 independently 1000M bus transceivers have been adopted;
4, two-forty real-time exchange ability adopts the hardware-switch pattern fully.
As shown in Figure 1.The input subsystem 1 in left side is made up of digital non-compression video optical fiber access node, digital compression video optical fiber access node, 16 passage light access cards, 16 road analog video input cards, four parts.The non-compression of numeral/compressed video optical fiber access node is connected with 16 passage light access cards by optical fiber, and the network configuration of connection can adopt point-to-point hub-and-spoke configuration, also can adopt cascade pattern or ring network structure.Local analog video is then directly by 16 road analog video input card connecting systems.
The output subsystem 3 on right side is made up of 16 tunnels analogy video output cards, 16 passage light access cards.16 tunnels analogy video output cards convert the digital video that will export to analog video signal and export, 16 passage light access cards then are connected by the light mouth digital video of further uploading with the optical fiber input card of upper level, to finish the networking transfer function of multistage digital video integrated multi-service transmission switching plane.
In Fig. 2, digital non-compression video optical fiber access node is made up of 1-8 tunnels analogy video input interface, 1-8 passage AD module, digital multiplexing/coding module, first line of a couplet 1G optical channel transceiver module and second line of a couplet 1G optical channel transceiver module.1-8 tunnels analogy video input interface is mainly finished the input interface function of 1-8 road analog video; 1-8 passage AD module is mainly finished the AD translation function of analog video; Digital multiplexing/coding module is mainly finished the multiplexing and encoding function to multipath digital video; First line of a couplet 1G optical channel transceiver module and second line of a couplet 1G optical channel transceiver module are mainly finished the photoelectric converting function of first line of a couplet optical channel and second line of a couplet optical channel.
In Fig. 3, digital compression video optical fiber access node is made up of 1-4 tunnels analogy video input interface, 4 MPEG2/H.264 video compressing modules, embedded type CPU module, two layers of IP Switching Module and 100M optical transceiver module.1-4 tunnels analogy video input interface is mainly finished the input interface function of 1-4 road analog video; 4 MPEG2/H.264 video compressing modules are finished the digital compression function of 1-4 road video; The embedded type CPU module is mainly finished digital video bit stream is formed the IP bag; Two layers of IP Switching Module then are the layer 2 switching modules of an IP, by the packet exchange between its connection 100M optical transceiver module, electricity mouth and the CPU module.Owing to adopt general purpose I P agreement, can make this plateform system have extraordinary scalability and versatility, directly access to LAN or wide area network are really accomplished any transmission of digital video, any route.
In Fig. 4,16 passage light access cards are made up of 16 1000M optical transceiver modules, 16 1000M physical layer block, 16 155M Channel Exchange modules, 2 1000M bus modules.Wherein, 16 1000M optical transceiver modules are finished the photoelectric converting function of 16 road fiber-optic signals; 16 1000M physical layer block are finished the string and the translation function of 16 1000M signals; 16 155M Channel Exchange modules are finished the cross connect function of 16 way word non-compression video signals; 2 1000M bus modules are finished the linkage function of light input card and core bus.
In Fig. 5,16 tunnels analogy video input cards are made up of 16 video a/d modules, 16 155M Channel Exchange modules and 2 1000M bus modules.Wherein, 16 video a/d modules are finished the AD translation function of 16 road analog video signals; 16 155M Channel Exchange modules are finished the cross connect function of 16 way word non-compression video signals; 2 1000M bus modules are finished the linkage function of light input card and core bus.
In Fig. 6,16 tunnels analogy video output cards are by being made up of 16 video d/a modules, 16 155M Channel Exchange modules and 2 1000M bus modules.Wherein 16 video d/a modules are finished the DA translation function of 16 road analog video signals; 16 155M Channel Exchange modules are finished the cross connect function of 16 way word non-compression video signals; 2 1000M bus modules are finished the linkage function of light input card and core bus.
In Fig. 7, the backboard switching subsystem is made up of 16G Switching Module and 16 1000M bus transceiver modules.The 16G Switching Module is finished the cross connect function of 128 way word non-compression videos, and 16 1000M bus transceiver modules are finished with the bus of 16 input/output cards and are connected.
Claims (6)
1, a kind of digital video integrated multi-service transmission switching plane, it is characterized in that constituting by input subsystem, output subsystem and backboard switching subsystem three parts, input subsystem is used for the input of digital non-compression video, digital compression video or analog video, output subsystem is used for the exchange output of digital non-compression video, digital compression video or analog video, the backboard switching subsystem is used for the interconnection of digital video, and the digital video of input is connected to output subsystem by this backboard switching subsystem and exports.
2, digital video integrated multi-service transmission switching plane according to claim 1, it is characterized in that: input subsystem is by digital non-compression video optical fiber access node, digital compression video optical fiber access node, 16 passage light access cards, 16 road analog video input cards, four parts are formed, digital non-compression video optical fiber access node is connected with 16 passage light access cards by optical fiber with digital compression video optical fiber access node, analog video is by the input of 16 road analog video input cards, 16 passage light access cards, 16 road analog video input cards are connected with the backboard switching subsystem by data/address bus.
3, digital video integrated multi-service transmission switching plane according to claim 2, it is characterized in that: digital non-compression video optical fiber access node and digital compression video optical fiber access node are connected network and become star-like, cascade connection type or looped network type topological structure with 16 passage light access cards, the light mouth that inserts digital non-compression video optical fiber access node and digital compression video optical fiber access node is compatible.
4, according to claim 1 or 2 or 3 described digital video integrated multi-service transmission switching planes, it is characterized in that: output subsystem is made up of 16 tunnels analogy video output cards and 16 passage light access cards, 16 tunnels analogy video output cards have 16 analog video output channels, exportable nearly 16 road analog video signals, this 16 tunnels analogy video output card has 16 155M digital switch modules, the 16 way word non-compression video signals that come from the transmission of backboard switching subsystem exchange laggard line output through Switching Module, 16 passage light access cards are with the pattern output digital video of light signal, and the cascade that is used between a plurality of plateform systems connects.
5, according to claim 1 or 2 or 3 described digital video integrated multi-service transmission switching planes, it is characterized in that: described backboard switching subsystem has the Switching Module of 16 1000M digital signals, and the connection between the backboard switching subsystem input/output cards all connects by the bus transceiver module.
6, digital video integrated multi-service transmission switching plane according to claim 4, it is characterized in that: described backboard switching subsystem has the Switching Module of 16 1000M digital signals, and the connection between the backboard switching subsystem input/output cards all connects by the bus transceiver module.
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| CN 200720106007 CN201004693Y (en) | 2007-01-29 | 2007-01-29 | Digital video integrated multi-service transmission switching platform |
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| CN 200720106007 CN201004693Y (en) | 2007-01-29 | 2007-01-29 | Digital video integrated multi-service transmission switching platform |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938839A (en) * | 2012-11-13 | 2013-02-20 | 浙江宇视科技有限公司 | Monitoring front-end equipment and encoding server |
| CN104243255A (en) * | 2014-10-16 | 2014-12-24 | 成都思迈科技发展有限责任公司 | Integrated service access system |
| CN104270382A (en) * | 2014-10-16 | 2015-01-07 | 成都思迈科技发展有限责任公司 | Integrated digital transmission system |
| CN106412499A (en) * | 2016-09-14 | 2017-02-15 | 芜湖扬展新材料科技服务有限公司 | Communication transmission system for non-compressive digital video monitoring device |
-
2007
- 2007-01-29 CN CN 200720106007 patent/CN201004693Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938839A (en) * | 2012-11-13 | 2013-02-20 | 浙江宇视科技有限公司 | Monitoring front-end equipment and encoding server |
| CN102938839B (en) * | 2012-11-13 | 2016-08-17 | 浙江宇视科技有限公司 | A kind of monitoring frontend and encoder server |
| CN104243255A (en) * | 2014-10-16 | 2014-12-24 | 成都思迈科技发展有限责任公司 | Integrated service access system |
| CN104270382A (en) * | 2014-10-16 | 2015-01-07 | 成都思迈科技发展有限责任公司 | Integrated digital transmission system |
| CN106412499A (en) * | 2016-09-14 | 2017-02-15 | 芜湖扬展新材料科技服务有限公司 | Communication transmission system for non-compressive digital video monitoring device |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 310012 Xihu District, Zhejiang Province, Wensanlu Road, No. 20, Zhejiang construction building, layer 17, Patentee after: OB Telecom Electronics Co., Ltd. Address before: 310012, Zhejiang building, No. 20, Wensanlu Road, Zhejiang, Hangzhou, China, 17 floors Patentee before: Hangzhou OB Telecom Electronic Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20080109 |