CN102780854B - Method for controlling centralized comprehensive video distribution based on dual-net complementary set - Google Patents
Method for controlling centralized comprehensive video distribution based on dual-net complementary set Download PDFInfo
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Abstract
A method for controlling centralized comprehensive video distribution based on a dual-net complementary set has the specific scheme that (1) a modularization method is adopted, an embedded function module with the dual-net complementary set is used for centralized control, controls the switching output mode of radar videos and television videos in a centralized manner, and realizes the multipoint-to-point intelligent control; (2) a network control module is designed by adopting a soft control design method, and through the integration of a microprocessor and complex programmable logic devices (CPLDs), control program and logic firmware can be completely updated, modified and upgraded; and (3) the video switching is design by adopting a processing mode of separating, classifying and centralized modularizing radar digital signals and analog signal according to signal properties. The method has the advantages that the reliability of a system and the expansion flexibility of a control terminal are effectively improved, the output of the radar videos and television videos is normalized and standardized, the video transmission fidelity and antijamming capability are obviously improved, and the video display effect is ensured.
Description
Technical field
Wataru and Visual Frequency of the present invention controls skill art Collar territory processed, specifically based on the control method that double-network redundant distributes multipath radar video, television video in centralized comprehensive video array and switches in multi-control terminal, be applicable to military, the multi-control terminal of civil area supervisory control system to multipath radar and multi-channel television transducer vision signal Compliance control.
Background technology
Along with improving constantly of social informatization degree, need the demand implementing integrated video monitoring constantly to increase in each field of the army and the people, at harbour, airport, highway communication, customs's frontier defense and safety-protection system etc. be multi-field to be collected multisensor video information and monitor has become trend, realize distributing in real time in multi-control terminal single class multichannel or multiple types multichannel comprehensive video information and switching, thus it is shared to reach video resource, for all levels of management personnel and policymaker provide convenience, fast, effective service, that independent research comprehensive video distributes the target controlled.Along with mechanics of communication high speed development I the centralized comprehensive video of former tradition distribute control appliance and be not well positioned to meet the multi-control terminal of system to the demand of multisensor video monitoring due to its limitation designed.
The block architecture diagram of former conventional video distributing equipment as shown in Figure 1.
Fig. 1 only gives configuration and the information trend of video distribution device interior when a control terminal shares video array, and other control terminal is identical with control terminal 1 with the connection of video distribution equipment with video source.
As shown in Figure 1 conventional video distribute control system structure composed exist limitation have following some:
(1) the Communication Control mode that in supervisory control system, control terminal is shared centralized video array video is distributed point-to-point control, must set up special control channel between each control terminal and video distribution equipment, the output board of the video distributor that each control terminal is corresponding needs to possess a set of control circuit to complete the control of video frequency output switching.This decentralized control, for the framework of the multi-control terminal of supervisory control system, will increase the special control interface of both sides, particularly increases the interface burden of video distribution control appliance, is not easy to the expansion of Systematical control terminal.And this controls (variable connector or serial ports control) mode, higher to its bipartite Distance geometry environmental requirement, the decay of signal long-distance transmission and disturbed by complex environment and easily cause system unstable, reliability reduces.
(2) traditional centralized video distribution control appliance adopts the corresponding road video source signal of each input module plate, the pattern of the corresponding control terminal of each output module plate.Video array is often expanded a road video source signal or system and is often expanded a control terminal and in video distribution control appliance, must put one piece of tablet or output board by polygamy, the expansion of video source signal and control terminal will bring pressure to Equipments Setting, and autgmentability is poor.
(3) the road radar signal that traditional centralized video distribution control appliance every block input module plate is corresponding, it mainly comprises: digital quantity signal (positive north, main pulse, orientation etc.) and analog signals (radar echo video), output board corresponding to control terminal concentrates access Multichannel radar signal, the digital signal of this mode radar and analog signal coexist in one block of plate and process, and signal disturbing is more serious.And the process of analog signal adopts discrete device more, in plate, inter-signal interference is more serious, and video transmission quality and display effect are difficult to ensure.
Summary of the invention
The present invention proposes the solution of novelty, framework conventional video being distributed to control appliance is optimized and upgrades, and adopts modular design method, uses new technology, new method, make product regulation and standardization more, effectively improve the overall performance of equipment.
A kind of control method of distributing based on the centralized comprehensive video of double-network redundant of the present invention, concrete scheme is as follows:
(1) modular method is adopted, use Based Intelligent Control and network access technique, by communication between original control terminal and video distribution equipment take the point-to-point control model of disperseing to upgrade to upgrade to embedded functional module (the i.e. distributing equipment network control board by a piece with double-network redundant, be abbreviated as FPQKB) centralized control, the switching output mode of unified management radar video, television video, achieves the Based Intelligent Control of multiple spot to a bit.
(2) in the design of distributing equipment network control board, adopt flexible soft control design case method, by the fusion to microprocessor and CPLD programming device, make control program and local firmware can update all, amendment and upgrading online.The video distribution control appliance needs of multiple different framework and interface can be applicable to.And by system standard network message form, specification has been carried out to the communications protocol of control terminal and video distribution control appliance, Message processing have employed Error detection strategy.
(3), in video switch design, adopt and radar digital signal is separated by signal properties with analog signal, sorts out, concentrate modular processing mode.Concentrate on radar I/O special module (RVIO) plate by multi-section radar video analog quantity (identification by radar echoes) and process, and multipath radar digital quantity signal concentrates design to process on special module radar data process (RDPB) plate of digital signal, the distribution of radar signal and switching need two module boards cooperations to export through Synchronization Control; Multi-channel television vision signal concentrates on the upper process of TV I/O special module (TVIO).Design adopts state-of-the-art technology and dedicated video switch integrated chip, abandoned the analog video circuit be separated, effectively inhibit video noise.
Being specifically described as follows of each functional module:
(1) distributing equipment network control board: the kernel control module being video distribution control appliance, the video (TV video or radar video) brought according to each control terminal in network message reception of beacons system selects information, extract relevant information and send each video control channel, control difference in functionality module (radar video analog signals, radar signal digital quantity signal, television video frequency signal) and switch distribution, thus reach the object that video selected by video equipment.Network signal access and conversion are completed by the micro embedded server of XPORT, and C8051F020 is as core controller, and CPLD completion logic controls.
(2) radar I/O plate module (RVIO): radar video analog signals switches the special module distributed, adopt the new results AD8111 process chip of AD company, it has 16 × 8 at a high speed without stagnating switching matrix, and its bandwidth reaches 260MHz, has 2 times of gains; Serial or parallel is selected to control, built-in lock storage, 16 road video inputs, the features such as the 8 optional output amplifiers in tunnel, first identification by radar echoes through line drive, then will send into adjustable limiting amplifier, the radar video of various for multichannel different amplitude being unified into normal video amplitude sends in AD8111, the parallel signal brought by distributing equipment network control board controls to switch, then sends in amplifying circuit, drives and export after impedance matching finally by line.
(3) radar data disposable plates module (RDPB): the special module that digital radar amount signal switching distributes, take FPGA as core, receive and process the bearing increment of six road radars, primary triggering pulse, the digital bearing signal such as signal and rotating signal is waited in positive north, and convert thereof into the signals such as orientation full dose and primary triggering pulse and be forwarded to each display terminal and radar video register, because some radar has the null direction signal of additional dedicated, zero distance signal, therefore in FPGA, specially coded treatment has been carried out to this signal, to ensure that orientation normally shows.
(4) TV I/O plate module (TVIO): television video frequency signal switches the special module distributed, the same 16X8 of employing is at a high speed without stagnating switching matrix chip AD8111 as process chip.
(5) radar video option board (VSB): coordinate FPQKB module manually select record and play TV or radar video.
The advantage of a kind of control method based on the distribution of double-network redundant centralized comprehensive video of the present invention is as follows:
(1) configuration of the network insertion that controlled by video distribution of the present invention and two redundant network, make it have complete video array switching controls ability, reach many motors control terminal and between it, communication multiple spot manages the Based Intelligent Control of any and network remote, the user of each control terminal can select arbitrarily the video be concerned about in video array to monitor flexibly, achieve multi-control terminal sharing centralized comprehensive video array resource, effectively improve the flexibility of the reliability of system, control terminal expansion.
(2) the present invention adopts modularization board plug structure, has several functions modularization plate, and user can select various plate to be combined into video switch control appliance needed for supervisory control system as required, expands flexibly, convenient.Digital signal is separated with analog signal and signal multichannel of the same type concentrates modular processing mode effectively reduce the plate quantity of equipment and reduce equipment volume.Radar and television video distribute utilization dedicated video and switch integrated chip, add bandwidth, make radar video and television video export regulation and standardization, significantly improve fidelity and the antijamming capability of transmission of video, ensure that the display effect of video.
Accompanying drawing explanation
The block architecture diagram of Fig. 1 conventional video distributing equipment.
Fig. 2 the present invention is at the basic framework block diagram of supervisory control system.
Embodiment
As shown in Figure 2, a kind of control method of distributing based on the centralized comprehensive video of double-network redundant, is specifically implemented as follows:
A kind of control method of distributing based on the centralized comprehensive video of double-network redundant of the present invention, concrete scheme is as follows:
(1) modular method is adopted, use Based Intelligent Control and network access technique, by communication between original control terminal and video distribution equipment take the point-to-point control model of disperseing to upgrade to upgrade to embedded functional module (the i.e. distributing equipment network control board by a piece with double-network redundant, be abbreviated as FPQKB)) centralized control, the switching output mode of unified management radar video, television video, achieves the Based Intelligent Control of multiple spot to a bit.
(2) in the design of distributing equipment network control board, adopt flexible soft control design case method, by the fusion to microprocessor and CPLD programming device, make control program and local firmware can update all, amendment and upgrading online.The video distribution control appliance needs of multiple different framework and interface can be applicable to.And by system standard network message form, specification has been carried out to the communications protocol of control terminal and video distribution control appliance, Message processing have employed Error detection strategy.
(3), in video switch design, adopt and radar digital signal is separated by signal properties with analog signal, sorts out, concentrate modular processing mode.Concentrate on radar I/O special module (RVIO) plate by multi-section radar video analog quantity (identification by radar echoes) and process, and multipath radar digital quantity signal concentrates design to process on special module radar data process (RDPB) plate of digital signal, the distribution of radar signal and switching need two module boards cooperations to export through Synchronization Control; Multi-channel television vision signal concentrates on the upper process of TV I/O special module (TVIO).Design adopts state-of-the-art technology and dedicated video switch integrated chip, abandoned the analog video circuit be separated, effectively inhibit video noise.
Equipment mainly configures and comprises: the plug-in units such as distributing equipment network control board, radar input/output module plate, radar data processing module plate, TV input/output module plate, radar video option board.
Specifically being implemented as follows of each functional module:
(1) distributing equipment network control board: the kernel control module being video distribution control appliance, the video (TV video or radar video) brought according to each control terminal in network message reception of beacons system selects information, extract relevant information and send each video control channel, control difference in functionality module (radar video analog signals, radar signal digital quantity signal, television video frequency signal) and switch distribution, thus reach the object that video selected by video equipment.Network signal access and conversion are completed by the micro embedded server of XPORT, and C8051F020 is as core controller, and CPLD completion logic controls.
(2) radar I/O plate module (RVIO): radar video analog signals switches the special module distributed, adopt the new results AD8111 process chip of AD company, it has 16 × 8 at a high speed without stagnating switching matrix, and its bandwidth reaches 260MHz, has 2 times of gains; Serial or parallel is selected to control, built-in lock storage, 16 road video inputs, the features such as the 8 optional output amplifiers in tunnel, identification by radar echoes first will through line drive, send into adjustable limiting amplifier again, the radar video of various for multichannel different amplitude is unified into normal video amplitude and sends in AD8111, the parallel signal brought by distributing equipment network control board controls to switch, send into again in amplifying circuit, drive finally by line and export after impedance matching.
(3) radar data disposable plates module (RDPB): the special module that digital radar amount signal switching distributes, take FPGA as core, receive and process the bearing increment of six road radars, primary triggering pulse, the digital bearing signal such as signal and rotating signal is waited in positive north, and convert thereof into the signals such as orientation full dose and primary triggering pulse and be forwarded to each display terminal and radar video register, because some radar has the null direction signal of additional dedicated, zero distance signal, therefore in FPGA, specially coded treatment has been carried out to this signal, to ensure that orientation normally shows.
(4) TV I/O plate module (TVIO): television video frequency signal switches the special module module of distributing, the same 16X8 of employing is at a high speed without stagnating switching matrix chip AD8111 as process chip.
(5) radar video option board (VSB): coordinate distributing equipment network control board manually select record and play TV or radar video.
There are following two kinds of forms:
Automated manner: video (TV video or radar video) the select command information sent by two redundant network A or network B according to each control terminal in network message reception of beacons system, through the parsing of distributing equipment network control board, control signal is assigned in IO4-IO7 and controls parallel port accordingly, the corresponding video of each functional module (RVIO radar input/output board, RDPB plate radar data disposable plates, TVIO TV input/output board) selecting video source array is provided, switches and distribute video frequency output and carry out window display to control terminal.Complete the real-time response of this equipment to control terminal order.Achieve the fast allocation to the radar video in transducer video array source or television video and switching.
Manual mode: support manual mode, distributing equipment network control board is selected module (VSB) radar video option code from parallel port IO2 receiver, video or is received the information of television video option code from parallel port IO3, pass through interrupt mode, unify control and management via IO4-IO7, complete the Non-follow control to radar video recording playback or television video recording playback.
Claims (5)
1., based on the control method that the centralized comprehensive video of double-network redundant distributes, it is characterized in that:
(1) modular method is adopted, use Based Intelligent Control and network access technique, by communication between original control terminal and video distribution equipment take the point-to-point control model of disperseing to upgrade to upgrade to embedded functional module and the distributing equipment network control board centralized control by one piece with double-network redundant, the switching output mode of unified management radar video, television video, achieves the Based Intelligent Control of multiple spot to a bit;
(2) in the design of distributing equipment network control board, adopt flexible soft control design case method, by the fusion to microprocessor and CPLD programming device, make control program and local firmware can update all, amendment and upgrading online; The video distribution control appliance needs of multiple different framework and interface can be applicable to, and by system standard network message form, specification has been carried out to the communications protocol of control terminal and video distribution control appliance, Message processing have employed Error detection strategy;
(3) in video switch design, employing is separated by signal properties with analog signal radar digital signal, sorts out, concentrate modular processing mode, concentrate on radar I/O special purpose module board by multi-section radar video analog quantity and identification by radar echoes and process, and multipath radar digital quantity signal concentrates design to process in the special module radar data disposable plates of digital signal, the distribution of radar signal and switching need two module boards cooperations to export through Synchronization Control; Multi-channel television vision signal concentrates on TV I/O special module and processes, and design adopts state-of-the-art technology and dedicated video switch integrated chip, has abandoned the analog video circuit be separated, effectively inhibit video noise;
Described distributing equipment network control board is the kernel control module of video distribution control appliance, the video brought according to each control terminal in network message reception of beacons system and TV video or radar video select information, extract relevant information and send each video control channel, control difference in functionality module and radar video analog signals, radar signal digital quantity signal, television video frequency signal switches distribution, thus reach the object that video selected by video equipment, network signal access and conversion are completed by the micro embedded server of XPORT, C8051F020 is as core controller, CPLD completion logic controls.
2. a Ju a kind of control method of distributing based on the centralized comprehensive video of double-network redundant according to claim 1, it is characterized in that: described radar I/O plate module: radar video analog signals switches the special module distributed, adopt the new results AD8111 process chip of AD company, it has 16 × 8 at a high speed without stagnating switching matrix, its bandwidth reaches 260MHz, has 2 times of gains; Serial or parallel is selected to control, built-in lock storage, 16 road video inputs, the 8 optional output amplifiers in tunnel, first identification by radar echoes through line drive, then will send into adjustable limiting amplifier, the radar video of various for multichannel different amplitude being unified into normal video amplitude sends in AD8111, the parallel signal brought by distributing equipment network control board controls to switch, then sends in amplifying circuit, drives and export after impedance matching finally by line.
3. a Ju a kind of control method of distributing based on the centralized comprehensive video of double-network redundant according to claim 1, it is characterized in that: described radar data disposable plates module: the special module that digital radar amount signal switching distributes, take FPGA as core, receive and process the bearing increment of six road radars, primary triggering pulse, the digital bearing signal such as signal and rotating signal is waited in positive north, and convert thereof into orientation full dose and primary triggering pulse signal is forwarded to each display terminal and radar video register, because some radar has the null direction signal of additional dedicated, zero distance signal, therefore in FPGA, specially coded treatment has been carried out to this signal, to ensure that orientation normally shows.
4. a Ju a kind of control method of distributing based on the centralized comprehensive video of double-network redundant according to claim 1, it is characterized in that: described TV I/O plate module and TVIO: television video frequency signal switches the special module distributed, adopting 16X8 at a high speed without stagnating switching matrix chip AD8111 as process chip.
5. a Ju a kind of control method of distributing based on the centralized comprehensive video of double-network redundant according to claim 1, is characterized in that: described radar video option board and VSB: coordinate distributing equipment network control board manually select record and play TV or radar video.
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| CN106980259B (en) * | 2017-05-22 | 2019-09-17 | 西安电子工程研究所 | A kind of dual redundant implementation method of radar transmitter monitoring system |
| CN114516405B (en) * | 2020-11-18 | 2023-06-09 | 上海航空电器有限公司 | Digital indicator lamp driving signal transmission system and method for aircraft control panel assembly system |
| CN112492234A (en) * | 2020-12-21 | 2021-03-12 | 北京信成科技集团 | Multichannel high-frequency analog signal matrix switching device and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101018339A (en) * | 2006-02-07 | 2007-08-15 | 中国船舶重工集团公司第七○九研究所 | Full radar video compound technology |
| CN101197989A (en) * | 2007-12-20 | 2008-06-11 | 中国电子科技集团公司第二十八研究所 | Image compression and storing method of radar video |
| CN101710946A (en) * | 2009-12-24 | 2010-05-19 | 中国航空工业集团公司第六三一研究所 | System and method for switching and converting video signals |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018339A (en) * | 2006-02-07 | 2007-08-15 | 中国船舶重工集团公司第七○九研究所 | Full radar video compound technology |
| CN101197989A (en) * | 2007-12-20 | 2008-06-11 | 中国电子科技集团公司第二十八研究所 | Image compression and storing method of radar video |
| CN101710946A (en) * | 2009-12-24 | 2010-05-19 | 中国航空工业集团公司第六三一研究所 | System and method for switching and converting video signals |
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