CN204836426U - LED display screen fiber transmission system - Google Patents
LED display screen fiber transmission system Download PDFInfo
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- CN204836426U CN204836426U CN201520547269.1U CN201520547269U CN204836426U CN 204836426 U CN204836426 U CN 204836426U CN 201520547269 U CN201520547269 U CN 201520547269U CN 204836426 U CN204836426 U CN 204836426U
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Abstract
The utility model provides a LED display screen fiber transmission system, include: a display driver unit for providing supply voltage case, host computer, the video processing unit of power, be used for with video electric signal transition for the SFP optical module transmitting element of light signal, be used for with the light signal trun into to the signal of telecommunication SFP optical module receiving element, be used for handling the signal of telecommunication signal processing unit, be used for becoming signal processing unit's video signal conversion the differential signal and driving the LED display screen, the supply voltage case pass through the power cord connect with video processing unit, signal processing unit, the video processing unit is connected with SFP optical module transmitting element, SFP optical module transmitting element passes through optic fibre to be connected with SFP optical module receiving element, signal processing unit respectively with SFP optical module receiving element, display driver unit connection, cascade through the DVI line between the video processing unit. The LED display screen video presentation of remote large screen has been realized.
Description
Technical field
The utility model embodiment relates to LED technical field of video transmission, particularly relates to a kind of LED display fiber optic transmission system.
Background technology
At present, LED Display Technique reaches its maturity, and LED display control system is mainly used to real-time display video, picture and text, notice etc.One of its governor circuit effect is exactly input and the transmission of being responsible for data.Normally governor circuit receives the data that host computer is sent, and through controller process, adopts wire cable as transmission medium, sends the video data after process to display system, finally reach the object of display.
Traditional LED display control system mostly selects twisted-pair feeder or coaxial cable over a transmission medium, and due to the defect of self, their transmission rate, transmission range has had certain limitation.
Utility model content
The utility model embodiment provides a kind of LED display fiber optic transmission system, to overcome the problem that in prior art, LED display transmission rate is slow, transmission range is near.
The utility model LED display fiber optic transmission system, comprising:
At least one is for providing the power supply cassette for supplying of power supply, host computer, at least one video processing unit, at least one is for being converted to the SFP optical module transmitting element of light signal by video electrical signal, at least one is for transferring the SFP optical module receiving element of the signal of telecommunication to by described light signal, at least one is for the treatment of the signal processing unit of the signal of telecommunication of described optical module receiving element, at least one is for converting the vision signal of signal processing unit to differential signal and the display driver unit of driving LED display screen,
Described power supply cassette for supplying is connected and video processing unit, signal processing unit by power line, described video processing unit is connected with described SFP optical module transmitting element, described SFP optical module transmitting element is connected with described SFP optical module receiving element by optical fiber, described signal processing unit is connected with described SFP optical module receiving element, display driver unit respectively, by the cascade of DVI line between described video processing unit.
Further, described video processing unit, comprising:
Video Quality Metric for being sent by host computer is the video conversion module of component signal, the video processor being used for being carried out by component signal processing and storing, be used for sending to video processor the video control module of video control signal;
Described video processor is connected with described video conversion module, video control module and described SFP optical module transmitting element respectively.
Further, described video conversion module comprises: the DVI for receiver, video inputs submodule and the DVI decoding sub-module for by Video Quality Metric being R, G, B component signal, described DVI inputs submodule one end and is connected with host computer, the other end is connected with described DVI decoding sub-module, and described DVI decoding sub-module is connected with described video processor.
Further, described video conversion module also comprises: for DVI decoder module being converted to the DVI encoding submodule of the second vision signal, being used for described second vision signal to be sent to the DVI output sub-module of the second video processing unit.
The beneficial effect of the utility model LED display fiber optic transmission system is: transmission frequency bandwidth, message capacity are large; Loss is low; Wire diameter is thin, lightweight, and raw material is quartz, saves metal material, is conducive to resource reasonable employment; Insulation, electromagnetism interference performance is strong; Also have that resistance to corrosion is strong, capability of resistance to radiation is strong, reelability is good, without electric spark, reveal the advantages such as little, strong security.Adopt Optical Fiber Transmission well to solve twisted-pair feeder or co-axial cables transport speed is slow, transmission range is near problem, also save metals resources simultaneously.Achieve remote, the LED display video display of large-screen.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model LED display fiber optic transmission system structural representation;
Fig. 2 is the utility model LED display fiber optic transmission system video processing unit structural representation;
Fig. 3 is the utility model LED display fiber optic transmission system SFP optical module transmitting element circuit theory diagrams;
Fig. 4 is the utility model LED display fiber optic transmission system SFP optical module receiving element circuit theory diagrams;
Fig. 5 is the utility model LED display fiber optic transmission system display driver element circuit schematic diagram.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the utility model LED display fiber optic transmission system structural representation, and as shown in Figure 1, the present embodiment system, comprising:
Host computer 101, at least one is for providing the power supply cassette for supplying 102 of power supply, at least one video processing unit 103, at least one is for being converted to the SFP optical module transmitting element 104 of light signal by video electrical signal, at least one is for transferring the SFP optical module receiving element 105 of the signal of telecommunication to by described light signal, at least one is for the treatment of the signal processing unit 106 of the signal of telecommunication of described optical module receiving element, at least one is for converting the vision signal of signal processing unit to differential signal and the display driver unit 107 of driving LED display screen,
Described power supply cassette for supplying 102 is connected and video processing unit 103, signal processing unit 106 by power line, described video processing unit 103 is connected with described SFP optical module transmitting element 104, described SFP optical module transmitting element 104 is connected with described SFP optical module receiving element 105 by optical fiber, described signal processing unit 106 is connected with described SFP optical module receiving element 105, display driver unit 107 respectively, by the cascade of DVI line between described video processing unit.
In the present embodiment LED display by SFP optical module transmitting element and SFP optical module receiving element by the transmission of video after video processing unit process to signal processing unit, solve twisted-pair feeder or co-axial cables transport speed is slow, transmission range is near problem.
Further, described video processing unit, comprising:
Video Quality Metric for being sent by host computer is the video conversion module of component signal, the video processor being used for being carried out by component signal processing and storing, be used for sending to video processor the video control module of video control signal;
Described video processor is connected with described video conversion module, video control module and described SFP optical module transmitting element respectively.
Further, described video conversion module comprises: the DVI for receiver, video inputs submodule and the DVI decoding sub-module for by Video Quality Metric being R, G, B component signal, described DVI inputs submodule one end and is connected with host computer, the other end is connected with described DVI decoding sub-module, and described DVI decoding sub-module is connected with described video processor.
Further, described video conversion module also comprises: for DVI decoder module being converted to the DVI encoding submodule of the second vision signal, being used for described second vision signal to be sent to the DVI output sub-module of the second video processing unit.
Specifically, as shown in Figure 2, the present embodiment video processing unit comprises video conversion module, video processor, video control module, wherein video conversion module comprises: DVI inputs submodule, DVI decoding sub-module, DVI encoding submodule, DVI output sub-module, the video that DVI input block is transmitted by DVI interface host computer, this video decode is that R, G, B component signal transfers to video processor, video control module controls video processor and sends frame of video to SFP optical module transmitting element by DVI decoder module.Each video processor at most can to four SFP optical modules output signal, and every road signal at least can a control 1024*768 signaling point, a LED on each signaling point correspondence LED display.Native system comprises at least one video processing unit, therefore can realize the LED display display video of large-screen.In the present embodiment, video control module adopts chip model to be STM32F103VCT6.As shown in Figure 3, there are four SFP_CONN modules in SFP optical module transmitting element, in each module, have GTP_RX_P, GTP_RX_N, GTP_TX_P, GTP_TX_N respectively.This pin is the output pin that video electrical signal is converted into light signal by SFP optical module transmitting element.SFP optical module receiving element also has GTP_RX_P, GTP_RX_N, GTP_TX_P, GTP_TX_N as shown in Figure 4, and this pin is the input pin that light signal is converted into video electrical signal by SFP optical module receiving element.
Convert the vision signal of signal processing unit to differential signal and the display driver element circuit schematic diagram of driving LED display screen as shown in Figure 5, pin MODSDAT0, MODSCLK0, MODSDAT1, MODSCLK1 are the frame signal of video resource, and MODSDAT0+, MODSDAT0-, MODSCLK0+, MODSCLK0-, MODSDAT1+, MODSDAT1-, MODSCLK1+, MODSCLK1-are the differential signal of LED display display.
The beneficial effect of the utility model LED display fiber optic transmission system is: transmission frequency bandwidth, message capacity are large; Loss is low; Wire diameter is thin, lightweight, and raw material is quartz, saves metal material, is conducive to resource reasonable employment; Insulation, electromagnetism interference performance is strong; Also have that resistance to corrosion is strong, capability of resistance to radiation is strong, reelability is good, without electric spark, reveal the advantages such as little, strong security.Adopt Optical Fiber Transmission well to solve twisted-pair feeder or co-axial cables transport speed is slow, transmission range is near problem, also save metals resources simultaneously.Achieve remote, the LED display video display of large-screen.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (4)
1. a LED display fiber optic transmission system, is characterized in that, comprising:
At least one is for providing the power supply cassette for supplying of power supply, host computer, at least one video processing unit, at least one is for being converted to the SFP optical module transmitting element of light signal by video electrical signal, at least one is for transferring the SFP optical module receiving element of the signal of telecommunication to by described light signal, at least one is for the treatment of the signal processing unit of the signal of telecommunication of described optical module receiving element, at least one is for converting the vision signal of signal processing unit to differential signal and the display driver unit of driving LED display screen,
Described power supply cassette for supplying is connected and video processing unit, signal processing unit by power line, described video processing unit is connected with described SFP optical module transmitting element, described SFP optical module transmitting element is connected with described SFP optical module receiving element by optical fiber, described signal processing unit is connected with described SFP optical module receiving element, display driver unit respectively, by the cascade of DVI line between described video processing unit.
2. system according to claim 1, is characterized in that, described video processing unit, comprising:
Video Quality Metric for being sent by host computer is the video conversion module of component signal, the video processor being used for being carried out by component signal processing and storing, be used for sending to video processor the video control module of video control signal;
Described video processor is connected with described video conversion module, video control module and described SFP optical module transmitting element respectively.
3. system according to claim 1 and 2, it is characterized in that, described video conversion module comprises: the DVI for receiver, video inputs submodule and the DVI decoding sub-module for by Video Quality Metric being R, G, B component signal, described DVI inputs submodule one end and is connected with host computer, the other end is connected with described DVI decoding sub-module, and described DVI decoding sub-module is connected with described video processor.
4. system according to claim 1 and 2, it is characterized in that, described video conversion module also comprises: for DVI decoder module being converted to the DVI encoding submodule of the second vision signal, being used for described second vision signal to be sent to the DVI output sub-module of the second video processing unit.
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|---|---|---|---|
| CN201520547269.1U CN204836426U (en) | 2015-07-24 | 2015-07-24 | LED display screen fiber transmission system |
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| CN201520547269.1U CN204836426U (en) | 2015-07-24 | 2015-07-24 | LED display screen fiber transmission system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025277A (en) * | 2015-07-24 | 2015-11-04 | 大连集思特科技有限公司 | Optical fiber transmission system for LED display screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025277A (en) * | 2015-07-24 | 2015-11-04 | 大连集思特科技有限公司 | Optical fiber transmission system for LED display screen |
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