CN110365955A - A kind of multichannel scenario simulation device circuit system - Google Patents
A kind of multichannel scenario simulation device circuit system Download PDFInfo
- Publication number
- CN110365955A CN110365955A CN201910316171.8A CN201910316171A CN110365955A CN 110365955 A CN110365955 A CN 110365955A CN 201910316171 A CN201910316171 A CN 201910316171A CN 110365955 A CN110365955 A CN 110365955A
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- China
- Prior art keywords
- head box
- image
- image data
- master control
- control borad
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3155—Modulator illumination systems for controlling the light source
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Controls And Circuits For Display Device (AREA)
- Processing Or Creating Images (AREA)
Abstract
The invention discloses a kind of multichannel scenario simulation device circuit systems, and the system comprises control cabinets and head box two parts；The control cabinet includes 4 image encoding boards, master control borad, touch screens；Image encoding board is connected through RS422 bus communication with master control borad, and master control borad is connected with touch screen, and master control borad is connected with head box；Circuit realizes the decoding function of the decoding of image data, synchronization signal in control cabinet, and image data is converted to the optical fiber interface of standard, synchronization signal is converted to the RS422 differential interface of standard, is transferred to head box；The head box includes 4 light fixtures, control panel, 4 image pinboards, 4 image drive plates, 4 DMD components；Head box is internally integrated projection optical system and data receiver circuit, places on the moving platform, completes the playing function of image data；Image data transmission is carried out using optical cable between control cabinet and head box.The present invention has many advantages, such as that versatility is good, development difficulty is low, favorable expandability, maintenanceability are good.
Description
Technical field
The present invention relates to scenario simulation device field more particularly to a kind of multichannel scenario simulation device design of circuit system.
Background technique
Multichannel scenario simulation device is visible light, short-wave infrared, medium-wave infrared and LONG WAVE INFRARED, four wave band scenario simulations
Any combination of device is the important component of semi-matter simulating system.Mainly by computer graphical generate and optical projection technology,
There is provided the test scene under simulation true environment for imaging system, analyze image property of the imaging system under each wave band and
To target search, capture and the ability of tracking under integration technology.
The circuit system of multichannel scenario simulation device, it is main to realize that image data receives, external synchronization signal receives, image source
The functions such as switching, light-source brightness control and DMD driving are selected with synchronisation source.For multichannel scenario simulation device, how to design
Reasonable circuit system structure, can four wave bands in any combination scene simulation device, make it have versatility and flexible expansion
The characteristics of, it is the difficult point of design of circuit system.
Summary of the invention
The multichannel that it is an object of that present invention to provide a kind of versatilities is good, development difficulty is low, favorable expandability, maintenanceability are good
Scenario simulation device circuit system.
In order to solve the above-mentioned technical problem, system of the present invention includes control cabinet and head box two parts；
The control cabinet includes 4 image encoding boards, master control borad, touch screens；Image encoding board through RS422 bus communication with
Master control borad is connected, and master control borad is connected with touch screen, and master control borad is connected with head box；
Circuit realizes the decoding function of the decoding of image data, synchronization signal in control cabinet, and image data is converted to mark
Synchronization signal, is converted to the RS422 differential interface of standard, is transferred to head box by quasi- optical fiber interface；
The head box includes 4 light fixtures, control panel, 4 image pinboards, 4 image drive plates, 4 DMD groups
Part；
Head box is internally integrated projection optical system and data receiver circuit, places on the moving platform, completes picture number
According to playing function；Image data transmission is carried out using optical cable between control cabinet and head box.
Further, the master control borad is ARM master controller.
Further, the control panel is FPGA master controller.
Compared with prior art, beneficial effects of the present invention:
1, image transmitting is carried out using optical cable between control cabinet and head box, has transmission range long, the good feature of flexibility,
Facilitate and head box is placed on moveable platform.
2, it is all made of standardized RS422 communication interface between electronic box, between circuit board, facilitates fault detection and positioning,
Versatility is good.
3, according to functional requirement and chip feature, integrated application FPGA and ARM gives full play to chip as master controller
Performance and advantage, development difficulty are low.
4, the corresponding 1 image encoding board in each channel, 1 image pinboard and 1 DMD driving plate, the interchannel degree of coupling
It is low.In the case where system structure is constant, the scenario simulation device of any port number, favorable expandability can be made.
5, using standardized circuit board, the same plank in multiple channels is interchangeable, and maintenanceability is good.
Detailed description of the invention
Fig. 1 is overall structure block diagram of the invention.
Fig. 2 is the control cabinet internal structure connection figure in the present invention.
Fig. 3 is the head box internal structure connection figure in the present invention.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, it should be noted that the instructions such as term " center ", "upper", "lower", "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.Term " first ", " second " are used for description purposes only, and should not be understood as indicating
Or imply relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than.
As shown in Figure 1-3, system of the present invention includes control cabinet and head box two parts；
The control cabinet includes 4 image encoding boards, ARM master controller, touch screen；Image encoding board is through RS422 bus
Communication is connected with ARM master controller, and ARM master controller is connected with touch screen, and ARM master controller is connected with head box；
Circuit realizes the decoding function of the decoding of image data, synchronization signal in control cabinet, and image data is converted to mark
Synchronization signal, is converted to the RS422 differential interface of standard, is transferred to head box by quasi- optical fiber interface；
The head box includes 4 light fixtures, FPGA master controller, 4 image pinboards, 4 image drive plates, 4
A DMD component；
Head box is internally integrated projection optical system and data receiver circuit, places on the moving platform, completes picture number
According to playing function；Image data transmission is carried out using optical cable between control cabinet and head box.
Control cabinet has been internally integrated most 4 pieces of image encoding boards and 1 piece of master control borad.Connection relationship is as shown in Figure 2.Image is compiled
Using the FPGA of 1 Xilinx as master controller, mating special image decoding chip, each image encoding board is all provided with code plate
1 road Cameralink image decoder, 1 road DVI image decoder, 1 road VGA image decoder and the decoding of 1 road Pal video are counted
Device.Master control borad is used as master controller using 1 ARM, mating special synchronization signal decoding chip, design have RS232, TTL and
The synchronization signal decoder of Pal level standard.Master control borad and image encoding board are using RS422 bus progress data communication, control
Image encoding board Switch Video input source, and the working condition of monitoring image encoding board.Master control borad passes through RS232 interface and touch-control
Screen carries out data communication, and calculates with head box, distal end and carry out RS422 communication.
Include 1 block of light source control plate, most 4 pieces of image pinboards and (each image switching of DMD driving plate inside head box
The mating DMD driving plate of plate).For light source control plate using 1 ARM as master controller, main realize communicates forwarding and light source
Control function is communicated with 4 image pinboards by RS422 bus, forwarding control command and collecting work status information,
External synchronization signal is broadcast into 4 image pinboards by RS422 interface simultaneously；Image pinboard is made using a piece of FPGA
For master controller, the codec chip of mating high speed 8B/10B, the graph data that reception optical fiber transmission comes is sent to after decoding
DMD driving plate, while image pinboard also realizes the delay control of external synchronization signal；DMD driving plate mainly realizes image data
The driving processing of caching and dmd chip.Internal connection relationship is as shown in Figure 3.
In circuit design, the master control function of multichannel scene simulation device is realized with 1 master control borad and 1 light source control plate respectively
Can, both planks are all made of ARM as master controller, facilitate the processing for carrying out data and the scheduling to communication.It is each logical
Road respectively corresponds 1 image encoding board, 1 image pinboard and 1 image drive plate, is all made of FPGA as master controller,
Sufficiently reconfigurable using fpga chip pin, the good feature of real-time realizes a variety of image data decodings, number biography and switching etc.
Function.
This design of circuit system is directed to the characteristics of multichannel scene simulation device, devises image encoding board, master control borad, image
Pinboard, light control plate and image drive plate, totally 5 kinds of circuit boards.According to the function to be realized, ARM is respectively adopted in every kind of circuit board
Or FPGA is as master controller；Then 5 kinds of circuit boards are divided in inside 2 electronic boxs.Communication inside electronic box between electronic box
Using standardized RS422 interface；Picture number between electronic box, which passes, uses normalized optical number biography interface.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.The various changes and improvements that those of ordinary skill in the art make technical solution of the present invention,
It should all fall into the protection scope that claims of the present invention determines.Selection and description embodiment are to more preferably illustrate the present invention
Principle and practical application, and make those skilled in the art it will be appreciated that the present invention to design be suitable for special-purpose
The various embodiments with various modifications.
Claims (3)
1. a kind of multichannel scenario simulation device circuit system, it is characterised in that: the system comprises control cabinets and head box two
Point；
The control cabinet includes 4 image encoding boards, master control borad, touch screens；Image encoding board is through RS422 bus communication and master control
Plate is connected, and master control borad is connected with touch screen, and master control borad is connected with head box；
Circuit realizes the decoding function of the decoding of image data, synchronization signal in control cabinet, and image data is converted to standard
Synchronization signal is converted to the RS422 differential interface of standard, is transferred to head box by optical fiber interface；
The head box includes 4 light fixtures, control panel, 4 image pinboards, 4 image drive plates, 4 DMD components；
Head box is internally integrated projection optical system and data receiver circuit, places on the moving platform, completes image data
Playing function；Image data transmission is carried out using optical cable between control cabinet and head box.
2. a kind of multichannel scenario simulation device circuit system according to claim 1, it is characterised in that: the master control borad is
ARM master controller.
3. a kind of multichannel scenario simulation device circuit system according to claim 1, it is characterised in that: the control panel is
FPGA master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316171.8A CN110365955B (en) | 2019-04-19 | 2019-04-19 | Multichannel scene simulator circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316171.8A CN110365955B (en) | 2019-04-19 | 2019-04-19 | Multichannel scene simulator circuit system |
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| Publication Number | Publication Date |
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| CN110365955A true CN110365955A (en) | 2019-10-22 |
| CN110365955B CN110365955B (en) | 2021-04-20 |
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| CN201910316171.8A Active CN110365955B (en) | 2019-04-19 | 2019-04-19 | Multichannel scene simulator circuit system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5719797A (en) * | 1995-12-15 | 1998-02-17 | The United States Of America As Represented By The Secretary Of The Army | Simulator for smart munitions testing |
| CN102519307A (en) * | 2011-12-20 | 2012-06-27 | 中国兵器工业第二0五研究所 | Ultraviolet-infrared dynamic scene simulator |
| CN104243971A (en) * | 2014-07-30 | 2014-12-24 | 中国科学院长春光学精密机械与物理研究所 | Device and method for detecting aerial photography camera exposure delay time |
| CN108445697A (en) * | 2018-03-12 | 2018-08-24 | 中国科学院光电技术研究所 | A kind of target simulator based on Digital Micromirror Device |
-
2019
- 2019-04-19 CN CN201910316171.8A patent/CN110365955B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5719797A (en) * | 1995-12-15 | 1998-02-17 | The United States Of America As Represented By The Secretary Of The Army | Simulator for smart munitions testing |
| CN102519307A (en) * | 2011-12-20 | 2012-06-27 | 中国兵器工业第二0五研究所 | Ultraviolet-infrared dynamic scene simulator |
| CN104243971A (en) * | 2014-07-30 | 2014-12-24 | 中国科学院长春光学精密机械与物理研究所 | Device and method for detecting aerial photography camera exposure delay time |
| CN108445697A (en) * | 2018-03-12 | 2018-08-24 | 中国科学院光电技术研究所 | A kind of target simulator based on Digital Micromirror Device |
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| CN110365955B (en) | 2021-04-20 |
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