CN108924442A - DVI-ARINC818 signal converts display methods - Google Patents
DVI-ARINC818 signal converts display methods Download PDFInfo
- Publication number
- CN108924442A CN108924442A CN201810910787.3A CN201810910787A CN108924442A CN 108924442 A CN108924442 A CN 108924442A CN 201810910787 A CN201810910787 A CN 201810910787A CN 108924442 A CN108924442 A CN 108924442A
- Authority
- CN
- China
- Prior art keywords
- dvi
- signal
- arinc818
- photoelectric conversion
- fpga circuitry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/22—Adaptations for optical transmission
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a kind of DVI-ARINC818 signals to convert display methods, includes the following steps：S1：It is connected using a port I/O of FPGA circuitry by DVI decoding circuit and obtains DVI vision signal, another port I/O for controlling FPGA circuitry is connected with photoelectric conversion module receives and dispatches optical signal；S2：ARINC818 protocol analysis unit is configured in FPGA circuitry, for parsing the standard ARINC818 signal received；S3：DVI coding module is configured in FPGA circuitry, is used for reconstructed video signal；S4：The vision signal of the modularization design control module in FPGA circuitry, control reconfiguration is sent in a manner of the transmission of odd even frame data.The present invention can achieve the effect that show super large image in different resolution, and effectively solve the problems, such as that DVI signal long-distance transmits poor signal quality, and be easy to use, and integrated level is high, reduces mating support plate development cost.
Description
Technical field
The present invention relates to a kind of signal conversion display methods more particularly to a kind of DVI-ARINC818 signal to convert display side
Method.
Background technique
DVI video is shown under ultra high-definition resolution ratio using there are the following problems：
1, DVI single channel maximum resolution is 1920*1200, and display 2560*1024 resolution ratio needs logical using 2 road DVI
Road and two pieces of display screens carry out physics splicing.
2, DVI single channel transmission data maximum resolution is 1920*1200@60hz, the transmission of super large definition video data
More than the channel DVI maximum data.
In addition, current DVI video signal transmission is apart from limited, it is difficult to guarantee video quality after long distance transmission：
1, DVI vision signal passes through long distance transmission, and signal decaying is serious, video quality sharp fall；
2, optical signal transmission distance is remote, strong interference immunity, but the most volume of optical module is larger, and most photoelectricity mutually adopt by the product of changing the line of production
Plate mode is loaded with subcard, product integrated level is poor, inconvenient for use.
In view of the above-mentioned problems, it is necessary to design it is a kind of DVI vision signal can be converted to standard ARINC818 light video letter
Number conversion display methods.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of DVI-ARINC818 signals to convert display methods, Neng Gouda
To the effect of display super large image in different resolution, and effectively solve the problems, such as that DVI signal long-distance transmits poor signal quality, and be convenient for
It uses, integrated level is high, reduces mating support plate development cost.
The present invention is to solve above-mentioned technical problem and the technical solution adopted is that provide a kind of DVI-ARINC818 signal turn
Display methods is changed, is included the following steps：S1：It is connected using a port I/O of FPGA circuitry by DVI decoding circuit and is obtained
DVI vision signal, another port I/O for controlling FPGA circuitry is connected with photoelectric conversion module receives and dispatches optical signal；S2：In FPGA
ARINC818 protocol analysis unit is configured in circuit, for parsing the standard ARINC818 signal received；S3：In FPGA circuitry
Middle configuration DVI coding module is used for reconstructed video signal；S4：The modularization design control module in FPGA circuitry, control reconfiguration
Vision signal is sent in such a way that odd even frame data transmit.
Above-mentioned DVI-ARINC818 signal converts display methods, wherein the DVI decoding circuit regards the DVI of input
Frequency is decoded as RGB, HV, DE and CLK signal is exported to FPGA circuitry；The FPGA circuitry believes the RGB that DVI decoding circuit exports
It number is parsed, while carrying out FC-AV coding, and passed through photoelectric conversion module and export ARINC818 light vision signal.
Above-mentioned DVI-ARINC818 signal converts display methods, wherein the photoelectric conversion module is surface attaching type
Optical-electric module, integrated optical interface and electrical interface, the optical interface are that MT-RJ type tail optical fiber connects simultaneously in the photoelectric conversion module
Mouthful, it contracts in the packaging pin of the electrical interface using LCC48 packing forms.
Above-mentioned DVI-ARINC818 signal converts display methods, wherein the MT-RJ type tail optical fiber interface outer cladding black
The junction of heat-shrink tube, the MT-RJ type tail optical fiber interface and photoelectric conversion module is coated with black glue layer, the MT-RJ type tail optical fiber
The free end of interface is provided with dust cap, and the junction sealing of the MT-RJ type tail optical fiber interface and dust cap is wound with adhesive tape.
Above-mentioned DVI-ARINC818 signal converts display methods, wherein the bottom surface of the photoelectric conversion module is thermally conductive
Pad, distribution is provided with multiple thermal holes on the thermal land, and the mainboard where the thermal land and FPGA circuitry is altogether.
Above-mentioned DVI-ARINC818 signal converts display methods, wherein the power end of the photoelectric conversion module and connects
It is connected with electric source filter circuit between ground terminal, the use multichannel differential signal output channel of the photoelectric conversion module, every road is poor
Sub-signal output channel is serially connected with coupled capacitor and differential impedance.
Above-mentioned DVI-ARINC818 signal converts display methods, wherein 12 tunnels of use of the photoelectric conversion module are poor
Sub-signal output channel, every road differential signal output channel connection 100nF coupled capacitor and 100 ohm differential impedances.
The present invention, which compares the prior art, following beneficial effect：DVI-ARINC818 signal conversion provided by the invention is aobvious
Show method, using odd even frame data time sharing transmissions method, the data of a frame 2560*1204 are split as two groups of 1280*1024 numbers
According to, and it is carried out continuously display, due to being more than that the image human eye of 30hz will be considered consecutive image, use 2560*1204@
The mode of 30hz is transmitted, so that it may achieve the effect that show super large image in different resolution；It integrates and matches in FPGA circuitry simultaneously
ARINC818 protocol analysis unit, DVI coding module and time-sequence control module are set, DVI signal long-distance transmission letter is effectively solved
Number ropy problem, and be easy to use, integrated level is high, reduces mating support plate development cost.
Detailed description of the invention
Fig. 1 is that DVI-ARINC818 signal of the present invention converts flow for displaying figure；
Fig. 2 is the signal converter circuit block diagram that the present invention uses；
Fig. 3 is the optical-electric module interface connection schematic diagram in DVI-ARINC818 signal adapter of the present invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is that DVI-ARINC818 signal of the present invention converts flow for displaying figure；Fig. 2 is the signal adapter that the present invention uses
Circuitry block schematic diagram.
Referring to Figure 1 and Fig. 2, DVI-ARINC818 signal convert display methods, wherein include the following steps：
S1：It is connected using a port I/O of FPGA circuitry by DVI decoding circuit and obtains DVI vision signal, control
Another port I/O of FPGA circuitry is connected with photoelectric conversion module receives and dispatches optical signal；
S2：ARINC818 protocol analysis unit is configured in FPGA circuitry, for parsing the standard ARINC818 received
Signal；
S3：DVI coding module is configured in FPGA circuitry, is used for reconstructed video signal；
S4：The modularization design control module in FPGA circuitry, what the vision signal of control reconfiguration was transmitted with odd even frame data
Mode is sent.
The signal adapter that the present invention uses, by power supply chip, FPGA circuitry, FLASH circuit, DDDR3, DVI decoding electricity
The devices such as road, photoelectric conversion module and connector composition.The present invention can obtain DVI vision signal by TOLC connector, and
By SOLC/TOLC interface with interact.The present invention passes through the standard of SOLC/TOLC interface 2560*1024@30hz
Standard ARINC818 signal is simultaneously sent to FPGA by printed board by ARINC818 signal, and FPGA will receive standard ARINC818
Signal is decoded-reconstructs-and ultra high-definition DVI vision signal passes through printing by a series of processes such as timing control in a manner of parity frame
Plate is sent via SOLC/TOLC interface；Wherein Flash is for storing FPGA loading procedure, when 818 transmission subcards power on, Flash
The FPGA program of middle storage is automatically loaded into FPGA, makes FPGA according to program setting content efforts；DDR3 works for FPGA
When data it is temporary.
818 transmission subcard fpga logics are the key that equipment works normally, and are divided into ARINC818 protocol analysis unit, DVI
Coding module, time-sequence control module.
For parsing the standard ARINC818 signal received, DVI coding module is used for ARINC818 protocol analysis unit
The vision signal of reconstructed video signal, time-sequence control module control reconfiguration is sent in a manner of the transmission of odd even frame data, is adopted
Have arithmetic speed fast with FPGA, can concurrent operation the characteristics of, it is synchronous that data are carried out by timing control unit, data frame buffer memory and
Conversion and control.
The photoelectric conversion module in DVI-ARINC818 signal adapter that the present invention uses has used surface attaching type light
Electric module, the photoelectric conversion module are integrated with optical interface and electrical interface simultaneously, and optical interface is connect using 1 electricity of MT-RJ type tail optical fiber interface
Mouth has used LCC48 packing forms, and LCC series packaging pin inside contracts, as shown in Figure 3；Area occupied by chip is reduced, is integrated
Ability further increases.The 1 outer cladding black heat-shrink tube 2 of MT-RJ type tail optical fiber interface, the MT-RJ type tail optical fiber interface 1 and light
The junction of electric conversion module is coated with black glue layer 3, and the free end of the MT-RJ type tail optical fiber interface 1 is provided with dust cap 4, institute
The junction sealing for stating MT-RJ type tail optical fiber interface and dust cap is wound with adhesive tape, so that photoelectricity combination is more compact reliable.It is described
The bottom surface of photoelectric conversion module is thermal land, and distribution is provided with multiple thermal holes, the thermal land on the thermal land
Altogether with the mainboard where FPGA circuitry, the good contact for guaranteeing photoelectric conversion module and signal adapter mainboard, takes into account heat dissipation
Property and sealing effect.Electric source filter circuit, the photoelectricity are connected between the power end and ground terminal of the photoelectric conversion module
The use multichannel differential signal output channel of conversion module, it is preferred to use 12 road differential signal output channels, every road differential signal
Output channel connects 100nF coupled capacitor and 100 ohm differential impedances.
In conclusion DVI-ARINC818 signal provided by the invention converts display methods, solves ultra high-definition video letter
The problem of number single screen display and the problem of DVI single channel transmission ultra high-definition vision signal (2560*1024@30hz).The present invention
It is had the following advantages that compared to conventional algorithm：1. algorithm does not depend on system mathematical models, control result is simple, and robustness is good；
2. control rule can pass through study and constantly update with intelligent；3. having both numerically controlled accuracy and software programming being soft
The characteristics of property.
Although the present invention is disclosed as above with preferred embodiment, however, it is not to limit the invention, any this field skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and perfect therefore of the invention protection model
It encloses to work as and subject to the definition of the claims.
Claims (7)
1. a kind of DVI-ARINC818 signal converts display methods, which is characterized in that include the following steps：
S1：It is connected using a port I/O of FPGA circuitry by DVI decoding circuit and obtains DVI vision signal, control FPGA electricity
Another port I/O on road is connected with photoelectric conversion module receives and dispatches optical signal；
S2：ARINC818 protocol analysis unit is configured in FPGA circuitry, for parsing the standard ARINC818 signal received；
S3：DVI coding module is configured in FPGA circuitry, is used for reconstructed video signal；
S4：The modularization design control module in FPGA circuitry, the vision signal of control reconfiguration is in a manner of the transmission of odd even frame data
It is sent.
2. DVI-ARINC818 signal as described in claim 1 converts display methods, which is characterized in that the DVI decoding electricity
The DVI video of input is decoded as RGB, HV, DE on road and CLK signal is exported to FPGA circuitry；The FPGA circuitry decodes DVI
The rgb signal of circuit output is parsed, while carrying out FC-AV coding, and exports ARINC818 light by photoelectric conversion module
Vision signal.
3. DVI-ARINC818 signal as described in claim 1 converts display methods, which is characterized in that the photoelectric conversion mould
Block is surface attaching type optical-electric module, integrates optical interface simultaneously in the photoelectric conversion module and electrical interface, the optical interface are
MT-RJ type tail optical fiber interface contracts using LCC48 packing forms in the packaging pin of the electrical interface.
4. DVI-ARINC818 signal as claimed in claim 3 converts display methods, which is characterized in that the MT-RJ type tail
The junction of fine interface outer cladding black heat-shrink tube, the MT-RJ type tail optical fiber interface and photoelectric conversion module is coated with black glue layer,
The free end of the MT-RJ type tail optical fiber interface is provided with dust cap, and the junction of the MT-RJ type tail optical fiber interface and dust cap is close
Envelope is wound with adhesive tape.
5. DVI-ARINC818 signal as claimed in claim 3 converts display methods, which is characterized in that the photoelectric conversion mould
The bottom surface of block is thermal land, and distribution is provided with multiple thermal holes, the thermal land and FPGA circuitry on the thermal land
The mainboard at place is altogether.
6. DVI-ARINC818 signal as claimed in claim 3 converts display methods, which is characterized in that the photoelectric conversion mould
Electric source filter circuit is connected between the power end and ground terminal of block, the use multichannel differential signal of the photoelectric conversion module is defeated
Channel out, every road differential signal output channel are serially connected with coupled capacitor and differential impedance.
7. DVI-ARINC818 signal as claimed in claim 6 converts display methods, which is characterized in that the photoelectric conversion mould
The 12 road differential signal output channels of use of block, every road differential signal output channel connection 100nF coupled capacitor and 100 ohm of differences
Divide impedance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810910787.3A CN108924442A (en) | 2018-08-10 | 2018-08-10 | DVI-ARINC818 signal converts display methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810910787.3A CN108924442A (en) | 2018-08-10 | 2018-08-10 | DVI-ARINC818 signal converts display methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108924442A true CN108924442A (en) | 2018-11-30 |
Family
ID=64404024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810910787.3A Pending CN108924442A (en) | 2018-08-10 | 2018-08-10 | DVI-ARINC818 signal converts display methods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108924442A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012272A (en) * | 2019-04-12 | 2019-07-12 | 北京旋极信息技术股份有限公司 | A kind of method for transmission processing and device of ARINC818 data flow |
| CN112399175A (en) * | 2020-11-05 | 2021-02-23 | 中国航空工业集团公司西安航空计算技术研究所 | Test platform of ARINC818 daughter card |
| CN112685346A (en) * | 2020-12-29 | 2021-04-20 | 中电科航空电子有限公司 | Multi-device data synchronization method based on ARINC429 bus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009803A (en) * | 2006-12-31 | 2007-08-01 | 北京华纬讯电信技术有限公司 | High-resolution video transfer system and method |
| CN104465552A (en) * | 2014-12-26 | 2015-03-25 | 苏州旭创科技有限公司 | Packaging structure and optical module |
| CN104638425A (en) * | 2013-11-08 | 2015-05-20 | 富士康(昆山)电脑接插件有限公司 | Optical-electrical connector |
| US20180044034A1 (en) * | 2015-03-27 | 2018-02-15 | Astronautics Corporation Of America | Auxiliary Security System for Aircraft Black Box System |
| CN108183749A (en) * | 2017-12-20 | 2018-06-19 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of fiber optic communications devices of DVI videos and communication signal mixed transport |
-
2018
- 2018-08-10 CN CN201810910787.3A patent/CN108924442A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009803A (en) * | 2006-12-31 | 2007-08-01 | 北京华纬讯电信技术有限公司 | High-resolution video transfer system and method |
| CN104638425A (en) * | 2013-11-08 | 2015-05-20 | 富士康(昆山)电脑接插件有限公司 | Optical-electrical connector |
| CN104465552A (en) * | 2014-12-26 | 2015-03-25 | 苏州旭创科技有限公司 | Packaging structure and optical module |
| US20180044034A1 (en) * | 2015-03-27 | 2018-02-15 | Astronautics Corporation Of America | Auxiliary Security System for Aircraft Black Box System |
| CN108183749A (en) * | 2017-12-20 | 2018-06-19 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of fiber optic communications devices of DVI videos and communication signal mixed transport |
Non-Patent Citations (1)
| Title |
|---|
| 温世杰等: "基于ARINC818 的航空视频发送接收***设计与实现", 《电光与控制》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012272A (en) * | 2019-04-12 | 2019-07-12 | 北京旋极信息技术股份有限公司 | A kind of method for transmission processing and device of ARINC818 data flow |
| CN112399175A (en) * | 2020-11-05 | 2021-02-23 | 中国航空工业集团公司西安航空计算技术研究所 | Test platform of ARINC818 daughter card |
| CN112399175B (en) * | 2020-11-05 | 2022-09-20 | 中国航空工业集团公司西安航空计算技术研究所 | Test platform of ARINC818 daughter card |
| CN112685346A (en) * | 2020-12-29 | 2021-04-20 | 中电科航空电子有限公司 | Multi-device data synchronization method based on ARINC429 bus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100555941C (en) | Reduce the technology of multimedia data packet overhead | |
| US20060083518A1 (en) | Fiber optic connection for digital displays | |
| JP2008017438A (en) | Communication facility having optical fiber high definition digital audio-video data interface | |
| CN107426551A (en) | A kind of syntype Cameralink digital picture optical transmitter and receiver receiving terminals and transmitting terminal based on FPGA | |
| CN108924442A (en) | DVI-ARINC818 signal converts display methods | |
| EP3142360B1 (en) | Multimedia signal transmission device and transmission method thereof | |
| CN209695161U (en) | A kind of transmission of fujinon electronic video endoscope high-speed video and isolating device | |
| CN108682384A (en) | A kind of LED display control system and its control method | |
| CN108183749A (en) | A kind of fiber optic communications devices of DVI videos and communication signal mixed transport | |
| CN105047134A (en) | LED lamp panel, lamp panel module group, and LED display screen control system | |
| CN103700319A (en) | Spliced display device | |
| CN101494329B (en) | Connector and a display apparatus having the same | |
| CN109587427A (en) | High-definition multimedia interface active optical cable circuit | |
| CN109994281A (en) | A kind of AOC cable of the compatible multiplex roles of energy | |
| CN105118409A (en) | FPGA-Based V-BY-ONE codec system and method | |
| CN208971681U (en) | DVI-ARINC818 one-channel signal R-T unit | |
| CN105573197B (en) | The DP signal generation apparatus and method of a kind of self-defined speed | |
| CN207978052U (en) | A kind of OPS interfaces audio-video converter | |
| CN204795430U (en) | HDMI audio and video signal transmission device with mirror image switch function | |
| CN211239967U (en) | Display controller, display control system and LED display system | |
| CN206728198U (en) | A kind of DVI signals four-core fiber transmitter | |
| CN207652571U (en) | A kind of hundred meter level HDMI high definition cable extenders | |
| CN210865583U (en) | LED display screen control system and LED box based on optical fiber transmission | |
| CN211236355U (en) | Photoelectric conversion apparatus, display control system, and display system | |
| CN204305204U (en) | A kind of CameraLink-DVI video converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181130 |
|
| WD01 | Invention patent application deemed withdrawn after publication |