CN106791632A - A kind of transmission range under electronic information technology unmanned plane image delivering system long - Google Patents
A kind of transmission range under electronic information technology unmanned plane image delivering system long Download PDFInfo
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- CN106791632A CN106791632A CN201611144101.1A CN201611144101A CN106791632A CN 106791632 A CN106791632 A CN 106791632A CN 201611144101 A CN201611144101 A CN 201611144101A CN 106791632 A CN106791632 A CN 106791632A
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- unmanned plane
- electronic information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The invention discloses the unmanned plane image delivering system long of the transmission range under a kind of electronic information technology of electronic information technical field,Including launched by airplane unit and ground station reception unit,The launched by airplane unit includes camera,The camera electrically exports connection video A/D modular converter,The video A/D modular converter electrically exports connection Video compression module,The ground station reception unit includes ground-based wireless transmissions module,The ground-based wireless transmissions module electrically exports connection video decoding process module,The video decoding process module electrically exports connection video D/A converter module,The video D/A converter module electrically exports connection display,The video decoding process module is electrically bi-directionally connected read-only storage,Small volume of the present invention,It is lightweight,It is adapted to be transmitted in the case that unmanned plane is blocked in high-speed mobile with City Building the high resolution video and audio of real-time stabilization.
Description
Technical field
The present invention relates to electronic information technical field, long nobody of transmission range under specially a kind of electronic information technology
Machine image delivering system.
Background technology
Flight instruments militarily can be used to scout, monitors as air-robot, can be used to greatly survey on civilian
Amount, remote sensing etc., are primarily intended to be obtained in that high-resolution, can describe the two dimension or 3-D view of object combining form.But it is high
The image data amount of resolution ratio is quite big, and as the raising of ground resolution is, it is necessary to the image data amount of transmission is in geometry
Series increases, and numeric data code digit rate is also increased rapidly, therefore, the high-speed transfer of image has become restriction unmanned plane during flying device application
Major issue.
At present, when the flight of unmanned plane during flying device is beyond earth station's maximum horizon range, can only be relayed using air-data
Data-Link, can ensure the effective process for completing transmission.But this relay data chain has many special skills in design
Art difficulty, itself haves the shortcomings that load-carrying ability and lift-off limited height, causes image transmitting apart from short, or unmanned plane flies
Row device transmit it is relatively low to the image resolution ratio of earth station, therefore, we have proposed the transmission range under a kind of electronic information technology
Unmanned plane image delivering system long comes into operation, to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of unmanned plane image transmitting system long of the transmission range under electronic information technology
System, the relay data chain for having solved to be proposed in above-mentioned background technology has many special technical difficulty in design, and itself is deposited
In load-carrying ability and the shortcoming of lift-off limited height, cause image transmitting apart from short, or unmanned plane during flying device is transmitted to ground
The relatively low problem of image resolution ratio stood.
To achieve the above object, the present invention provides following technical scheme：A kind of transmission range under electronic information technology is long
Unmanned plane image delivering system, including launched by airplane unit and ground station reception unit, the launched by airplane unit includes taking the photograph
As head, the camera electrically exports connection video A/D modular converter, and the video A/D modular converter electrically exports connection
Video compression module, the Video compression module electrically exports connection main control chip, and the main control chip is electrically defeated
Go out to connect airborne wireless transport module, the Video compression module is electrically bi-directionally connected machine carried memory, the earth station
Receiving unit includes ground-based wireless transmissions module, and ground-based wireless transmissions module is electrically bi-directionally connected airborne wireless transport module,
The ground-based wireless transmissions module electrically exports connection video decoding process module, and the video decoding process module is electrically exported
Connection video D/A converter module, the video D/A converter module electrically exports connection display, the video decoding process
Module is electrically bi-directionally connected read-only storage.
Preferably, the camera is arranged on unmanned vehicle beneficial on the position of image taking.
Preferably, the airborne wireless transport module and ground-based wireless transmissions module use NRF24LO1 chips, union
Full-duplex RF power amplification is constituted into RF switch, bandpass filter and power P A.
Preferably, the machine carried memory and read-only storage are and use the eeprom chip of serial line interface.
Preferably, the display for display 160 × 128 pixels OLED display screen, its core control portions by
FPGA field programmable gate arrays and SRAM SRAMs are constituted.
Compared with prior art, the beneficial effects of the invention are as follows：Small volume of the present invention, it is lightweight, it is adapted to unmanned plane in height
Speed is mobile to neutralize the high resolution video and audio that real-time stabilization is transmitted in the case that City Building is blocked, and the system uses digital video frequency flow
Mode, transmission uses radio digital communication, and integrated power PA, LNA chip, RF switch and bandpass filter, and composition is complete
Two-way RF power amplification so that effective communication distance is greatly extended, greatly strengthen the distance of unmanned plane image transmitting.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is workflow diagram of the present invention.
In figure：1 launched by airplane unit, 11 cameras, 12 video A/D modular converters, 13 Video compression modules, 14
Main control chip, 15 airborne wireless transport modules, 16 machine carried memories, 2 ground station reception units, 21 ground-based wireless transmissions modules,
22 video decoding process modules, 23 video D/A converter modules, 24 displays, 25 read-only storages.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：A kind of transmission range under electronic information technology nothing long
Man-machine image delivering system, including launched by airplane unit and ground station reception unit, launched by airplane unit 1 include camera 11,
Electrically output connects video A/D modular converter 12 to camera 11, and video A/D modular converter 12 electrically exports connection video compress
Processing module 13, electrically output connects main control chip 14 to Video compression module 13, and main control chip 14 electrically exports connection machine
Wireless transport module 15 is carried, Video compression module 13 is electrically bi-directionally connected machine carried memory 16, and ground station reception unit 2 is wrapped
Ground-based wireless transmissions module 21 is included, and ground-based wireless transmissions module 21 is electrically bi-directionally connected airborne wireless transport module 15, ground
Electrically output connects video decoding process module 22 to wireless transport module 21, and electrically output connection is regarded video decoding process module 22
Frequency D/A converter module 23, electrically output connects display 24, the electricity of video decoding process module 22 to video D/A converter module 23
Property is bi-directionally connected read-only storage 25.
Wherein, camera 11 is arranged on unmanned vehicle and is beneficial on the position of image taking, airborne wireless transport module 16
NRF24LO1 chips are used with ground-based wireless transmissions module 21, and is integrated with RF switch, bandpass filter and power P A groups
Into full-duplex RF power amplification, machine carried memory 16 and read-only storage 25 are using the eeprom chip of serial line interface, are shown
Show that device 24 is the OLED display screen of 160 × 128 pixels of display, its core control portions by FPGA field programmable gate arrays and
SRAM SRAMs are constituted.
Operation principle：By camera 11 on the position that unmanned vehicle is conducive to image taking, video is decoded
Processing module 22 is arranged in ground control's control station, airborne wireless transport module 15 and ground-based wireless transmissions module 21 after start
Automatic identification, and the transparent serial port of stabilization is set up, the transmission of video images that camera 11 will be photographed is to video screen module
Number modular converter 12 carries out analog-to-digital conversion, by the video signal transmission of conversion to Video compression module 13, using video
The shape that video image is converted into being adapted to be wirelessly transferred by the built-in control program of compressing processing module 13 by Video compression
Formula, and be transmitted, in ground station reception unit 2, ground-based wireless transmissions module 21 passes through the transparent serial ports side for setting up before
Formula receives the vision signal that transmits of opposite end, and vision signal is delivered in video decoding process module 22 carries out decoding process,
Decoded vision signal is converted into being adapted to the analog signal that display shows using video D/A converter module 23, realizes video
The wireless real-time transmission of image, wireless transport module is NRF24L01 monolithic wireless transceiver chips, is modulated using GFSK, is resisted dry
Disturb ability strong, hardware link layer is integrated into inside modules by the wireless transport module, reduces the design for extending out main process task chip
Component difficulty, wireless transport module self by hardware can realize to sent out data loading check code, communications feedback it is automatic
Response, and the automatic repeating transmission to fail data, and have 3 grades of buffer registers of depth in transceiver mode two parts, can be with
Greatly ensure the quality and security of data transfer, communicated with main process task chip using SPI interface agreement, when being wirelessly transferred
When module is reception pattern, it is constantly in data detection state, when data is received, NRF24L01 monolithic wireless transceiver cores
The IRQ ends of piece send terminal signaling, make primary processor start to read data, and when wireless transport module is sending mode, band sends
Data enter transmission data buffer zone and are just transmitted immediately, if sent successfully, interrupt signal are returned at IRQ ends, if
Send failure, then it is automatic to retransmit, if it exceeds when retransmitting the number of times of setting automatically, then IRQ ends also return to interrupt signal, by posting
Storage come judge recognize interrupt signal,
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a kind of transmission range under electronic information technology unmanned plane image delivering system long, including launched by airplane unit (1)
With ground station reception unit (2), it is characterised in that：The launched by airplane unit (1) includes camera (11), the camera
(11) electrically output connection video A/D modular converter (12), the video A/D modular converter (12) electrically exports connection video
Compressing processing module (13), the Video compression module (13) electrically output connection main control chip (14), the master control core
Piece (14) electrically output connection airborne wireless transport module (15), the Video compression module (13) is electrically bi-directionally connected machine
Memory (16) is carried, the ground station reception unit (2) includes ground-based wireless transmissions module (21), and ground-based wireless transmissions module
(21) airborne wireless transport module (15) is electrically bi-directionally connected, electrically output connects video to the ground-based wireless transmissions module (21)
Decoding process module (22), the video decoding process module (22) electrically output connection video D/A converter module (23), institute
Video D/A converter module (23) electrically output connection display (24) is stated, the video decoding process module (22) is electrically two-way
Be connected memory (25).
2. transmission range under a kind of electronic information technology according to claim 1 unmanned plane image delivering system long,
It is characterized in that：On position of the camera (11) installed in unmanned vehicle beneficial to image taking.
3. transmission range under a kind of electronic information technology according to claim 1 unmanned plane image delivering system long,
It is characterized in that：The airborne wireless transport module (16) and ground-based wireless transmissions module (21) use NRF24LO1 chips,
And it is integrated with RF switch, bandpass filter and power P the A full-duplex RF power amplification of composition.
4. transmission range under a kind of electronic information technology according to claim 1 unmanned plane image delivering system long,
It is characterized in that：The machine carried memory (16) and read-only storage (25) are and use the eeprom chip of serial line interface.
5. transmission range under a kind of electronic information technology according to claim 1 unmanned plane image delivering system long,
It is characterized in that：The display (24) be display 160 × 128 pixels OLED display screen, its core control portions by
FPGA field programmable gate arrays and SRAM SRAMs are constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611144101.1A CN106791632A (en) | 2016-12-13 | 2016-12-13 | A kind of transmission range under electronic information technology unmanned plane image delivering system long |
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| CN201611144101.1A CN106791632A (en) | 2016-12-13 | 2016-12-13 | A kind of transmission range under electronic information technology unmanned plane image delivering system long |
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| CN106791632A true CN106791632A (en) | 2017-05-31 |
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| CN201611144101.1A Pending CN106791632A (en) | 2016-12-13 | 2016-12-13 | A kind of transmission range under electronic information technology unmanned plane image delivering system long |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110493249A (en) * | 2019-08-31 | 2019-11-22 | 天宇经纬（北京）科技有限公司 | Unmanned plane end load real-time control method and system based on multiple network switching |
| CN113168187A (en) * | 2018-12-05 | 2021-07-23 | 株式会社尼罗沃克 | Unmanned aerial vehicle system, unmanned aerial vehicle, mobile body, control method for unmanned aerial vehicle system, and unmanned aerial vehicle system control program |
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| US8602349B2 (en) * | 2010-06-23 | 2013-12-10 | Dimitri Petrov | Airborne, tethered, remotely stabilized surveillance platform |
| CN104506818A (en) * | 2015-01-05 | 2015-04-08 | 南京采薇且歌信息科技有限公司 | Data integrated acquisition, control and transmission system applicable to Beidou unmanned gyrocopter |
| CN105828043A (en) * | 2016-05-03 | 2016-08-03 | 铱格斯曼航空科技集团有限公司 | Unmanned aerial vehicle video remote transmission system |
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2016
- 2016-12-13 CN CN201611144101.1A patent/CN106791632A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8602349B2 (en) * | 2010-06-23 | 2013-12-10 | Dimitri Petrov | Airborne, tethered, remotely stabilized surveillance platform |
| CN104506818A (en) * | 2015-01-05 | 2015-04-08 | 南京采薇且歌信息科技有限公司 | Data integrated acquisition, control and transmission system applicable to Beidou unmanned gyrocopter |
| CN105828043A (en) * | 2016-05-03 | 2016-08-03 | 铱格斯曼航空科技集团有限公司 | Unmanned aerial vehicle video remote transmission system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113168187A (en) * | 2018-12-05 | 2021-07-23 | 株式会社尼罗沃克 | Unmanned aerial vehicle system, unmanned aerial vehicle, mobile body, control method for unmanned aerial vehicle system, and unmanned aerial vehicle system control program |
| CN113168187B (en) * | 2018-12-05 | 2024-04-02 | 株式会社尼罗沃克 | Unmanned aerial vehicle system, unmanned aerial vehicle, mobile body, control method for unmanned aerial vehicle system, and computer-readable recording medium |
| CN110493249A (en) * | 2019-08-31 | 2019-11-22 | 天宇经纬（北京）科技有限公司 | Unmanned plane end load real-time control method and system based on multiple network switching |
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Application publication date: 20170531 |