CN202222027U - Portable wireless digital image acquisition and transmission system - Google Patents

Portable wireless digital image acquisition and transmission system Download PDF

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Publication number
CN202222027U
CN202222027U CN2011201655318U CN201120165531U CN202222027U CN 202222027 U CN202222027 U CN 202222027U CN 2011201655318 U CN2011201655318 U CN 2011201655318U CN 201120165531 U CN201120165531 U CN 201120165531U CN 202222027 U CN202222027 U CN 202222027U
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China
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private network
video
transmission system
wireless digital
transmission
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Expired - Fee Related
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CN2011201655318U
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Chinese (zh)
Inventor
李勃
李玉惠
杨洪山
郝世博
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Abstract

The utility model provides a portable wireless digital image acquisition and transmission system and belongs to the technical field of a wireless digital image acquisition and transmission system. The system consists of a front end acquisition part (1), a portable case (2) and a receiving central station (3). The front acquisition part (1) is used for acquiring audio and video signals on site and wirelessly transmitting the signals, the signals are received by the portable case (2) and subjected to video encoding and decoding, and then are wirelessly transmitted to the receiving central station (3) in a selective network transmission way, and the real-time video at the front end are received and displayed by the receiving central station (3). The system integrates a private network wireless digital image transmission function and a public network wireless digital image transmission function, a spare electrical case is equipped, so that the real-time and stable wireless digital image transmission can be achieved under any space-time circumstances. The portable wireless digital image acquisition and transmission system can be widely applied in fields of the wireless multimedia communication, the interactive multi-media, the tele-medicine, emergency handling and the like.

Description

Portable radiotelephone digital image acquisition and transmission system
Affiliated technical field
The utility model provides a kind of portable mobile wireless digital image acquisition and transmission system, belongs to wireless digital IMAQ and transmission technique field.Through merging dedicated network wireless digital image transmission function and common network wireless digital image transmission function, realize real-time, the stable wireless digital image transmission under any space-time condition.
Technical background
The wireless digital image transmission technology is mainly used in fields such as military affairs, wireless multimedia communication, interactive multimedia, tele-medicine, ecommerce, accident processing at present.Along with the development of technology,, its transmission real-time, mobile portability, ease of use there is higher requirement from civilian increasing to the demand of wireless digital image transmission technology to specific applications.But present similar techniques is less, or adopts single wireless private network transmission means, or adopts the public network wireless communication mode, and to the selectivity and the bad adaptability of environment, transmission real-time and reliability all can not get ensureing.And private network transmission mostly is mobile unit, and it is all relatively poor to move portability and ease of use.Therefore, need a kind of have high real-time Transmission property and mobile portability, line Digital Image Transmission product easy to use.
Summary of the invention
The purpose of the utility model provides a kind of private network transmission and public network transmits portable mobile wireless high-definition digital IMAQ and the transmission system that combines, to satisfy wireless digital image transmission demand real-time, stable under the different communication conditions.
The utility model is handled 3 three parts of case and bag 2 and receiving center station by front-end collection part 1, portable monitoring and is formed; Front-end collection part 1 and portable monitoring are handled case and bag 2 and are linked to each other through wireless private network, optionally are connected through special use or public wireless network between portable monitoring processing case and bag 2 and the receiving center station 3.Front-end collection part 1 comprises camera 4 and back pack transmitter 5, and camera 4 is connected with back pack transmitter 5 with tone frequency channel wire through video line, realizes the collection and the wireless transmission of front end audio-video signal.Camera 4 adopts general high definition camera, and back pack transmitter 5 is common dedicated network single-soldier backpack type transmitter.
Portable monitoring is handled case and bag 2 and is comprised private network receiver I 7, private network processing unit I 8, video frequency collection card 16, industrial computer I 6, video switching matrix 11, private network transmitter 9,3G transmission system 10.Private network receiver I 7, private network processing unit I 8, private network transmitter 9 are used for the transmission of dedicated network wireless digital image; 3G transmission system 10 is used for the transmission of common network wireless digital image; Private network transmitter 9 must stagger with the working frequency range of private network receiver I 7, avoids taking place the working frequency range conflict.Private network receiver I 7 and private network processing unit I 8 are connected through netting twine, the audio frequency and video that private network receiver I 7 receiving front-end back pack transmitters 5 send, and the audio-video signal that 8 pairs of receivers of private network processing unit I 7 receive is handled and is exported.Private network processing unit I 8 has two-way output, wherein I road output through four road input video capture cards 16, link to each other with industrial computer I 6 inputs, for monitoring in real time at the case and bag end; Another road output links to each other with video switching matrix 11 inputs with tone frequency channel wire through video line; Video switching matrix 11 links to each other with 3G transmission system 10 with private network transmitter 9; Select private network transmitter 9 or 3G transmission system 10; The audio-video signal that private network processing unit I 8 is handled well is sent to receiving center station 3, realizes the switching to different transmission networks.The front end real-time video of gathering except that the individual soldier and the video of current transmission, can also add multi-channel video input camera according to user's needs, as add auxiliary camera 17 and roof camera 18, gather more real-time video.Portable case and bag 2 can be supplied power through civil power, car electricity or power supply case and bag; When not having civil power, can be connected the system's power supply that obtains certain hour (existing power supply case and bag of being joined can be supplied power four hours continuously) with the power supply case and bag that possess charging inlet through the multi-core power line.Industrial computer I 6 adopts to touch and shows screen, panel computer and the common software running environment common industrial control equipment of (like, Windows XP etc.), and the video frequency collection card 16 and the video monitoring software of four tunnel inputs wherein are housed.Software interface design as required (as, can comprise split screen real-time video district and control panel district).
The receiving center station 3 of the utility model comprises private network receiver II 12, private network processing unit II 13, industrial computer II 14 and display 15.Private network receiver II 12 and private network processing unit II 13 are connected through netting twine, are used to receive the audio-video signal that the private network transmitter 9 in the case and bag sends; The video reception client of 3G transmission system 10 is installed on the industrial computer II 14, is connected the back with Internet and receives the audio-video signal that 3G transmission system 10 sends it back; Display 15 is connected with private network processing unit II 13 with tone frequency channel wire through video line, shows the audio-video signal that private network sends it back; Display 15 links to each other with industrial computer II 14 through the VGA interface, shows the audio-video signal that 3G network is sent back to.Private network receiver I 7 in private network receiver II 12 and private network processing unit II 13 and the portable case and bag 2 is identical with the function of private network processing unit I 8, is used to receive and handle the audio-video signal that private network transmitter 9 sends it back.Display 15 passes through video line and is connected with private network processing unit II 13 with tone frequency channel wire, is used to the real-time video that shows that private network system or public network system receive.
In the native system, hardware devices such as employed camera, back pack transmitter, industrial computer, private network receiver, private network processing unit, private network transmitter, 3G transmission system, video switching matrix, video frequency collection card, display are commercially available common apparatus.
The audio-video signal and the wireless transmission of the utility model system front end collecting part 1 collection site; After case and bag 2 receptions and coding and decoding video processing are handled in portable monitoring; Through selecting the Network Transmission mode; To receiving center station 3 wireless transmissions, the real-time video of 3 receptions and demonstration front end at the receiving center station.Native system is when possessing the wireless private network transfer function; Also can select through common network (telecommunications, move, three kinds of free wireless public networks of UNICOM all can) 3G transmit real-time video, solve owing to geographic factor, network factors cause the alternate solution that dedicated network wireless digital image delivering system can't operate as normal.Through private network and two kinds of Network Transmission modes of public network, can under the overwhelming majority's space-time environment, realize the wireless digital image transmission function, realize the real-time of long-distance video collection and transmission.Simultaneously, native system has used the design of carrying case packet mode, has improved the limitation of conventional wireless numeral image transmission system aspect moving.Therefore, native system has real-time and the reliability of transmission, mobile portability, the convenience of use etc. a bit.
Description of drawings
Below in conjunction with accompanying drawing and embodiment, the present invention is done further elaboration.
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is a video monitoring software interface sketch map in the utility model embodiment industrial computer I 6.
Among the figure, system is made up of front-end collection part 1, portable case and bag 2 and receiving center station 3.Each assembly is followed successively by: front-end collection part 1, portable case and bag 2, receiving center station 3, camera 4, back pack transmitter 5; Industrial computer I 6, private network receiver I 7, private network processing unit I 8, video switching matrix 9; 3G transmission system 10, private network transmitter 11, video frequency collection card 16, auxiliary camera 17; Roof camera 18, private network receiver II 12, private network processing unit II 13, industrial computer II 14 and display 15.
Embodiment
Shown in Fig. 1-2; This portable mobile wireless digital image acquisition and transmission system; Handling 3 three parts of case and bag 2 and receiving center station by front-end collection part 1, portable monitoring forms; Front-end collection part 1 and portable monitoring are handled case and bag 2 and are linked to each other through wireless private network, optionally are connected through special use or public wireless network between portable monitoring processing case and bag 2 and the receiving center station 3.The audio-video signal and the wireless transmission of system front end collecting part 1 collection site; After case and bag 2 receptions and coding and decoding video processing are handled in portable monitoring; Through selecting the Network Transmission mode, to receiving center station 3 wireless transmissions, the real-time video of 3 receptions and demonstration front end at the receiving center station.
Front-end collection part 1 comprises common camera 4 and passes through video line and the coupled common back pack transmitter 5 of tone frequency channel wire; Portable monitoring is handled case and bag 2 and is comprised industrial computer I 6, private network receiver I 7, private network processing unit I 8, private network transmitter 9,3G transmission system 10, video switching matrix 11 and video frequency collection card 16, and receiving center station 3 comprises private network receiver II 12, private network processing unit II 13, industrial computer II 14 and display 15; Private network receiver I 7 and back pack transmitter 5 link to each other through private network, and private network transmitter 9 and private network receiver II 12 link to each other through private network, and 3G transmission system 10 and industrial computer II 14 link to each other through public network.
In the front-end collection part, the individual soldier uses camera collection field video signal and audio signal, through single-soldier backpack type transmitter 5, audio-video signal is sent to portable monitoring handles the private network receiver I 7 in the case and bag 2.The data communication of the private network receiver I 7 in back pack transmitter 5 and the case and bag is in the 340MHz frequency range, and its carrier bandwidths is 2.67MHz, and transmission rate is 3.2Mbps, uses 1 SMA antenna.Common OFDM system product needed takies the 8MHz bandwidth, can only realize the transmission rate of 4MHz, and than this series products, the spectrum efficiency of native system is very high.Video coding is the MPEG-2 coding, can realize the transmission of high-definition format.Adopt stronger error correction coding and channel-bank technology, made it have stronger antijamming capability, under complex electromagnetic environments, still kept good communication quality.Still can operate as normal under the occasion of carrier-to-noise ratio 0dB.The communication distance of the private network receiver I 7 in single-soldier backpack type transmitter 5 and the portable case and bag 2 can reach 4 kilometers.
Portable monitoring is handled in the case and bag 2, and private network receiver I 7 and private network processing unit I 8 are connected through netting twine; Private network processing unit I 8 has two-way output, and wherein one road output is through 4 road input video capture cards 16, link to each other with industrial computer I 6 inputs of real-time monitoring, and another road output links to each other with video switching matrix 11 inputs; Video switching matrix 11 outputs link to each other with 3G transmission system 10 with private network transmitter 9.Except that the front-end collection part that the individual soldier gathers, video frequency collection card 16 inputs also are connected with auxiliary camera 17 and roof camera 18 through video line and tone frequency channel wire.Portable monitoring is handled case and bag 2 and is supplied power through the car electricity.Private network processing unit I 8, private network receiver I 7, private network transmitter 9 are used for the transmission of dedicated network wireless digital image; 3G transmission system 10 is used for the transmission of common network wireless digital image.Front-end collection video and current transmission video get into industrial computer I 6 through 4 road input video capture cards 16, realize its supervision.
Industrial computer I 6 adopts the double-core atom processor 510CPU of Intel; DDR2667 internal memory 2GB; Video card is Intel Graphics Media Accelerator 950; Solid-state hard disk SSD Jin Shidun V+ series SNVP325-S2 (64GB), the display device of industrial computer I 6 is 15 cun industrial touch displays.Industrial computer I 6 is equipped with four road input video capture cards 16, the front end real-time video of gathering except that the individual soldier and the video of current transmission, also adds two-path video input (real-time video that auxiliary camera 17 is gathered, the real-time video that roof camera 18 is gathered) again.Therefore, native system can use four split screen monitored pictures to monitor the front end real-time video that the individual soldier gathers respectively through this industrial computer I 6, the real-time video that auxiliary camera 17 is gathered, the real-time video that roof camera 18 is gathered, and the video of current transmission.
In the industrial computer I 6 video monitoring software is installed, software interface is referring to Fig. 2.The most area at interface is picture four split screen devices, and the right side is control panel district 19.Through picture four split screen devices; 4 road videos that can show 16 inputs of 4 road input video capture cards simultaneously; What wherein a road of lower right corner video showed is the current video of launching through private network transmitter 9 or 3G transmission system 10, and its excess-three screen shows the video that front-end collection part 1, auxiliary camera 17 and roof camera 18 collect respectively respectively.Every screen can switch to full screen display through double-clicking its display frame.Control panel district 19 is main to accomplish operations such as zoom to auxiliary camera 17 and roof camera 18, candid photograph, can record the video of a current arbitrary screen simultaneously.
Private network receiver I 7 is used for the audio frequency and video that receiving front-end individual soldier camera 4 sends through single-soldier backpack type transmitter 5.Be operated in the 340MHz frequency range, its carrier bandwidths is 2.67MHz, and transmission rate is 3.2Mbps, and its receiving sensitivity is-97dBm to use 2 N type antennas.Video decode is the MPEG-2 decoding, can realize the transmission of high-definition format.Private network processing unit I 8 and private network receiver I 7 are connected through netting twine; Private network receiver I 7 wireless receivings are behind the image that the individual soldier gathered; Export after inputing to the decoding processing of carrying out digital picture in the private network processing unit I 8; This output is divided into two-way: the video line of leading up to transfers to 4 road input video capture cards 16 and gets into industrial computer I 6, so that monitor in real time at the case and bag end; Another road transfers to video switching matrix 11 through video line and tone frequency channel wire simultaneously, can select private network transmitter 9 or 3G transmission system 10 to send by video switching matrix 11.
Four road input video capture cards 16 of industrial computer I 6 can satisfy the high-definition image processing requirements, being arranged to of its four tunnel inputs: front-end collection part 1, roof camera 18, add the application systems software interface that auxiliary camera 17 and industrial computer touch display screen are shown.
Front end back pack transmitter 5 in the private network image delivering system, private network receiver I 7, private network processing unit I 8, private network transmitter 9, private network receiver II 12,13 6 equipment of private network processing unit II are the multimedia communication systems that satisfy the high-definition image transmission; Its major technology parameter is: bi-directional data or video; Total bandwidth 2.8Mbps~4.2Mbps; Video resolution HD1/D1, compressed format MPEG2/H.264.
Private network transmitter 9 adopts video line, tone frequency channel wire to be connected with video switching matrix 11, and when selecting to use private network to send video, the audio-video signal that private network processing unit I 8 is handled well is sent to receiving center station 3.Private network transmitter 9 staggers with the working frequency range of private network receiver I 7, avoids otherwise work conflict will take place.The data communication of the private network receiver I 7 in back pack transmitter 5 and the case and bag is in the 340MHz frequency range; The data communication of private network transmitter 9 and central station private network receiver II 12 is in the 320MHz frequency range, and carrier bandwidths is 2.67MHz, and transmission rate is 3.2Mbps, uses 1 N type antenna.Video coding is the MPEG-2 coding, can realize the transmission of high-definition format.The communication distance of the private network receiver II 12 in private network transmitter 9 and the receiving center station 3 can reach the 27-30 kilometer.
The 3G transmission system 10 that is used for common network links to each other through video line, tone frequency channel wire with video switching matrix 11.Because geographic factor, network factors cause the dedicated network wireless digital image delivering system can't operate as normal, when perhaps the user need use common network to transmit, can use video switching matrix 11 to select 3G transmission systems 10 to send real-time videos.This system can be operated in CDMA, EDGE, three kinds of free wireless public networks of 3G standard, should quality and the speed of first-selected 3G network to guarantee to transmit in actual the use.Its video coding and decoding is for H.264, and form is DIF or D1.The transmission frame per second is the highest 25 frames of 3G single deck tape-recorder/second CIF, 12 frames/second D1, and two cards are shared to reach as high as 20 frames/second D1.3G transmission system 10 stream times are 4 hours, can charge to it.
According to objective factors such as the geography of case and bag position, network environments, perhaps user's needs can use video switching matrix 11, and the transmission means of video image is switched.Promptly send or use the transmission of 3G common network through video switching matrix 11 changeable use dedicated networks.The audio frequency and video input of video switching matrix 11 is connected with private network processing unit I 8 with tone frequency channel wire through video line, and output is connected with 3G transmission system 10 with private network transmitter 9 respectively with tone frequency channel wire through video line.
In the receiving center station 3, private network receiver II 12 and private network processing unit II 13 are connected through netting twine, are used to receive the audio-video signal that the private network transmitter 9 in the case and bag sends; Industrial computer II 14 inputs one tunnel link to each other with private network processing unit II 13 outputs, and another Lu Jingqi goes up 3G transmission system 10 video receivers of installing and links to each other with public network, receives the audio-video signal that 3G transmission system 10 sends it back; Display 15 is connected, shows audio-video signal that private network send it back with tone frequency channel wire with private network processing unit II 13 through video line, links to each other, shows the audio-video signal that 3G network is sent back to through the VGA interface with industrial computer II 14.Wherein, dedicated network uses 320MHz-340MHz frequency range microwave, and common network then is to use 3G network to carry out Digital Image Transmission.
Private network receiver I 7 in private network receiver II 12 and private network processing unit II 13 and the portable case and bag 2 is identical with the function of private network processing unit I 8, is used to receive and handle the audio-video signal that private network transmitter 9 sends it back.Private network receiver II 12 and private network processing unit II 13 are connected through netting twine, and working frequency range is 320MHz.Private network processing unit II 13 is connected with tone frequency channel wire through video line with display 15, and display 15 can show the video that receives.Display 15 is used to show the real-time video of private network system or the reception of public network system.
The utility model in use, front-end collection part 1 realizes the collection and the transmission of front end real-time audio and video.Portable case and bag 2 receive and handle the real-time audio and video signal, through the selection of user to wireless network, use corresponding transmitting apparatus to send it back receiving center station 3.Receiving center station 3 receives audio-video signal and is shown on the display 15.The supervision that industrial computer I 6 realizes front-end collection video and current transmission video in the case and bag.Detailed process is following: the real time video signals of being held camera 4 acquisition front end by the individual soldier; Be sent to portable case and bag 2 through back pack transmitter 5 private networks, the next real time video signals of front end transmission sent respectively with industrial computer I 6 with private network processing unit I 8 through private network receiver I 7 to be used to keep watch on front-end collection video and current transmission video; Send with video switching matrix 11 to be used to select dedicated network or 3G common network, send the front end real-time video through private network transmitter 9 and 3G transmission system 10 to receiving center station 3 respectively.Receiving center station 3 receives the real time video signals that 9 transmission of private network transmitter come from portable case and bag 2 through private network receiver II 12 and private network processing unit II 13 respectively; Or through the industrial computer II 14 receptions real time video signals that 10 transmission of 3G transmission system come from portable case and bag 2, and be presented on the display 15.

Claims (6)

1. portable mobile wireless digital image acquisition and transmission system; It is characterized in that: it handles case and bag (2) by front-end collection part (1), portable monitoring and receiving center station (3) three parts are formed; Front-end collection part (1) is handled case and bag (2) with portable monitoring and is linked to each other through wireless private network, optionally is connected through special use or public wireless network between portable monitoring processing case and bag (2) and receiving center station (3).
2. according to described portable mobile wireless digital image acquisition of claim 1 and transmission system; It is characterized in that: front-end collection part (1) comprises camera (4) and passes through video line and the coupled back pack transmitter (5) of tone frequency channel wire; Portable monitoring is handled case and bag (2) and is comprised industrial computer I (6), private network receiver I (7), private network processing unit I (8), private network transmitter (9), 3G transmission system (10), video switching matrix (11) and the video frequency collection card (16) of being with touch-screen, and receiving center station (3) comprise private network receiver II (12), private network processing unit II (13), industrial computer II (14) and display (15); Private network receiver I (7) links to each other through private network with back pack transmitter (5), and private network transmitter (9) links to each other through private network with private network receiver II (12), and 3G transmission system (10) links to each other through public network with industrial computer II (14).
3. according to claim 1 or 2 described wireless digital IMAQ and transmission systems, it is characterized in that: portable monitoring is handled in the case and bag (2), and private network receiver I (7) is connected through netting twine with private network processing unit I (8); Private network processing unit I (8) has two-way output, and wherein one road output is through (4) road input video capture card (16), link to each other with industrial computer I (6) input of monitoring in real time, and another road output links to each other with video switching matrix (11) input; Video switching matrix (11) output links to each other with 3G transmission system (10) with private network transmitter (9).
4. according to described wireless digital IMAQ of claim 3 and transmission system, it is characterized in that: except that the front-end collection part that the individual soldier gathers, video frequency collection card (16) input also can be connected with tone frequency channel wire through video line looks screen input camera.
5. according to described wireless digital IMAQ of claim 3 and transmission system, it is characterized in that: portable monitoring is handled case and bag 2 and can be supplied power through civil power, car electricity or power supply case and bag.
6. according to claim 1 or 2 described wireless digital IMAQ and transmission systems; It is characterized in that: in receiving center station (3); Private network receiver II (12) is connected through netting twine with private network processing unit II (13); Industrial computer II (14) input one tunnel links to each other with private network processing unit II (13) output, and another Lu Jingqi goes up 3G transmission system (10) video receiver of installing and links to each other with public network; Display (15) is connected with private network processing unit II (13) with tone frequency channel wire, links to each other with industrial computer II (14) through the VGA interface through video line.
CN2011201655318U 2011-05-23 2011-05-23 Portable wireless digital image acquisition and transmission system Expired - Fee Related CN202222027U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102954937A (en) * 2012-10-31 2013-03-06 辽宁金洋集团信息技术有限公司 Video visibility detector and detection analysis method thereof
CN103139549A (en) * 2013-03-25 2013-06-05 中国农业科学院饲料研究所 Portable multidirectional wireless monitoring back box
CN110062178A (en) * 2018-03-16 2019-07-26 南京博洛米通信技术有限公司 One kind is based on government affairs wireless private network and the double net video transmission methods of wireless public network

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102954937A (en) * 2012-10-31 2013-03-06 辽宁金洋集团信息技术有限公司 Video visibility detector and detection analysis method thereof
CN103139549A (en) * 2013-03-25 2013-06-05 中国农业科学院饲料研究所 Portable multidirectional wireless monitoring back box
CN110062178A (en) * 2018-03-16 2019-07-26 南京博洛米通信技术有限公司 One kind is based on government affairs wireless private network and the double net video transmission methods of wireless public network

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