CN203233504U - Remote wireless multi-point video monitoring system - Google Patents
Remote wireless multi-point video monitoring system Download PDFInfo
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- CN203233504U CN203233504U CN 201320226949 CN201320226949U CN203233504U CN 203233504 U CN203233504 U CN 203233504U CN 201320226949 CN201320226949 CN 201320226949 CN 201320226949 U CN201320226949 U CN 201320226949U CN 203233504 U CN203233504 U CN 203233504U
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Abstract
The utility model relates to the field of wireless video monitoring technology, specifically to a remote wireless multi-point video monitoring system, comprising a local end and a remote end. Local video acquisition units transmit acquired video signals to picture decollators to synthesize one video, and the video is compressed by a video encoder and is then sent to the remote end through a 3G router; local end working parameters are set by a local control terminal; a remote 3G router receives data, and a video decoder decodes and displays the data; remote end working parameters are set by a remote control terminal, and the remote control terminal sends a control instruction to the local end. According to the utility model, not only all the monitoring points can be monitored simultaneously, but also one or more monitoring points can be monitored as needed, and a desired transmission rate is basically identical to that of a single channel video; the remote wireless multi-point video monitoring system can be used in transport monitoring or other occasions where it is inconvenient to transmit a video in a wired mode, and through video synthesis technology, problems in transmission of multichannel video information by using a low-bitrate radio communication link are overcome.
Description
Technical field
The utility model belongs to the wireless video monitoring technical field, relates to long distance wireless multipoint video monitoring technique, is specifically related to a kind of long distance wireless multipoint video supervisory control system.
Background technology
Along with the development of civilian wireless communication system with popularize, many remote wireless video supervisory control systems that make up based on system such as 2G, 3G have appearred.But because the restriction of transmission rate, most of remote wireless monitoring system can only the transmission of one line video, i.e. single-point monitoring can not be satisfied the demand of multi-point monitoring.
Chinese patent literature for example, publication number is CN201515463U, open day is the utility model on June 23rd, 2010, discloses a kind of vehicle operation visual monitor equipment.It is by signal picker, video encoder, integrated computer, the electromagnetism vent valve, video server, each minute control end is formed, it is characterized in that: signal picker is made up of video camera and pick-up, video camera and pick-up integrator are gathered video and audio signal, be connected with video encoder, video encoder is built in the integrated computer, the electromagnetism vent valve that connects railcar simultaneously by 232 ports, video encoder is passed to video server by the 3G wireless network with digital signal, and video server is reduced to the audio frequency and video data with digital signal and offers each minute control end.This is the scheme of one road video just, can not satisfy multi-point monitoring.
The solution of multi-point monitoring mainly is the mode of taking the control point to switch at present, namely transmits the video information of required control point according to the automatic or manual selection of certain frequency.The shortcoming of this method is: though adopted a plurality of cameras, synchronization still can only monitor a control point, and the switching between video destroyed the continuity of video, has reduced video compression efficiency, has increased transmission rate requirements.
The utility model content
The utility model is intended to overcome above-mentioned technological deficiency, make up a kind of long distance wireless multipoint video supervisory control system, by video acquisition, synthetic mode, with synthetic one road video of multi-channel video, by the control to synthetic way, both can monitor all control points simultaneously, can select one or more control points to monitor again as required, monitoring mode is flexible, and required transmission rate and single channel video basically identical; The utility model can be applied to the long-distance transport monitoring or other are not easy to adopt the occasion of wired mode transmission of video, by the video synthetic technology, solves the low rate wireless communication link transmitting multi-path video information problem of utilizing.
The technical solution of the utility model is as follows
:
A kind of long distance wireless multipoint video supervisory control system, it is characterized in that: comprise remote port and local side two parts, local side comprises some for collecting unit, image splitter, video encoder, local network switch, local control terminal, the 3G router of gathering video; Remote port comprises 3G router, Video Decoder, telecommunication network switch, remote control terminal and display;
Wherein:
At local side, video acquisition unit is connected to image splitter, image splitter is with synthetic one road video of multi-channel video, and link to each other with video encoder, by video encoder synthetic video is carried out compressed encoding, video encoder links to each other with local side 3G router through the local network switch, sends the video data behind the coding to remote port through the 3G wireless communication link; Local control terminal links to each other with image splitter, video encoder and local side 3G router respectively by the local network switch, and running parameter is set, and receives, carries out the instruction that remote control terminal sends;
At remote port, remote port 3G router is connected with the telecommunication network switch; The telecommunication network switch is connected with Video Decoder, remote control terminal respectively; Video Decoder is connected with display; Remote port 3G router send display to show after receiving the data of local side transmission and sending video decoder decodes to; Remote control terminal arranges the running parameter of remote port 3G router and Video Decoder, and to the local side sending controling instruction.
Described video acquisition unit is utilized coaxial cable and BNC(Bayonet Nut Connector, bayonet nut connector) connector is connected with the input port of image splitter.
The output port of described image splitter is connected with video encoder with BNC connector by coaxial cable.
The control port of described image splitter is by RS232-RJ45(serial ports-network interface) transducer is connected with the local network switch; Further, the control port of described image splitter is connected with the RS232-RJ45 transducer by the RJ232 connector, and the RS232-RJ45 transducer is connected with the local network switch by netting twine, RJ45 connector.
Described local control terminal is connected with the local network switch with the RJ45 connector by netting twine.
Described local side 3G router is connected with the local network switch with the RJ45 connector by netting twine.
The control port of described Video Decoder is connected with the telecommunication network switch with the RJ45 connector by netting twine.
The output port of described Video Decoder is connected with display with bnc connector (13) by coaxial cable.
Described remote port 3G router is connected with the telecommunication network switch with the RJ45 connector by netting twine.
Described remote control terminal is connected with the telecommunication network switch with the RJ45 connector by netting twine.
Described video acquisition unit adopts camera.
Described local control terminal and remote control terminal can all be computers, perhaps all are smart mobile phones, also can be respectively computer (notebook, panel computer etc.) and smart mobile phone.
Principle of the present utility model is: adopt the 3G link as the wireless communication link of transmission of video monitor message, local side and remote port respectively have a 3G router, are responsible for transmission and the reception of data; Utilize image splitter as video synthesizer.A plurality of video acquisition unit send the monitor video that obtains to image splitter, and synthetic one road video sends video encoder then to; Video encoder compresses video, and the video data after the compression sends the 3G router to through the network switch and sends.Remote port receives monitor video by the 3G router, shows after decoding.Remote control terminal is selected required control point and video coding parameter as required, and Video Decoder is set, and these parameters are sent to local control terminal by the 3G link; Local control terminal arranges image splitter and video encoder according to the parameter that receives.The control port of selected image splitter is serial ports in the system, therefore utilizes the RS232-RJ45 transducer to realize the mutual conversion of network interface and serial ports.
The utility model can be realized the multi-channel video transmission with this with synthetic one road video of multi-channel video, can be with the multi-channel analog video through after the type conversion, be converted to digital video, compress the resolution of every road video then, multi-channel video is synthesized on a picture through picture segmentation, export one tunnel digital video after synthetic; Digital video after synthetic is converted to analog video output through type conversion again; Local control terminal selects the suitable face that changes to cut apart pattern as required, and correspondingly selects the resolution of every road video.
The beneficial effects of the utility model are as follows:
The utility model both can be monitored all control points simultaneously, can select one or more control points to monitor again as required, and monitoring mode is flexible, and required transmission rate and transmission single channel video basically identical; The utility model can be applied to the long-distance transport monitoring or other are not easy to adopt the occasion of wired mode transmission of video, by the video synthetic technology, solves the low rate wireless communication link transmitting multi-path video information problem of utilizing.
Description of drawings
Fig. 1 is composition structured flowchart of the present utility model
Wherein, Reference numeral is: 1 video acquisition unit, 2 image splitters, 3 video encoders, 4 Video Decoders, 5 local control terminals, 6 local side 3G routers, 7 local network switches, 8 remote port 3G routers, 9 remote control terminals, 10 telecommunication network switches, 11 displays, 12 RS232-RJ45 transducers, 13 bnc connectors, 14 RJ232 connectors, 15 RJ45 connectors; Solid line is represented wired connection, and dotted line is represented the 3G wireless communication link.
Embodiment
A kind of long distance wireless multipoint video supervisory control system, comprise remote port and local side two parts, local side is made up of for collecting unit, image splitter 2, video encoder 3, local network switch 7, local control terminal 5, the 3G router of gathering video some; Remote port is made up of 3G router, Video Decoder 4, telecommunication network switch 10, remote control terminal 9 and display 11.Wherein:
At local side, video acquisition unit 1 is connected to image splitter 2, image splitter 2 is with synthetic one road video of multi-channel video, and link to each other with video encoder 3, carry out compressed encoding by 3 pairs of synthetic videos of video encoder, video encoder 3 links to each other with local side 3G router 6 through local network switch 7, sends the video data behind the coding to remote port through the 3G wireless communication link; Local control terminal 5 links to each other with image splitter 2, video encoder 3 and local side 3G router 6 respectively by local network switch 7, and running parameter is set, and receives, carries out the instruction that remote control terminal 9 sends;
At remote port, remote port 3G router 8 is connected with telecommunication network switch 10; Telecommunication network switch 10 is connected with Video Decoder 4, remote control terminal 9 respectively; Video Decoder 4 is connected with display 11; Remote port 3G router 8 send display 11 to show after receiving the data of local side transmission and sending Video Decoder 4 decodings to; Remote control terminal 9 arranges the running parameter of remote port 3G router 8 and Video Decoder 4, and to the local side sending controling instruction.
Described video acquisition unit 1 is utilized coaxial cable and BNC(Bayonet Nut Connector, bayonet nut connector) connector is connected with the input port of image splitter 2.
The output port of described image splitter 2 is connected with video encoder 3 with BNC connector by coaxial cable.
The control port of described image splitter 2 is by RS232-RJ45(serial ports-network interface) transducer is connected with local network switch 7; Further, the control port of described image splitter 2 is connected with RS232-RJ45 transducer 12 by RJ232 connector 14, and RS232-RJ45 transducer 12 is connected with local network switch 7 by netting twine, RJ45 connector 15.
Described local control terminal 5 is connected with local network switch 7 with RJ45 connector 15 by netting twine.
Described local side 3G router 6 is connected with local network switch 7 with RJ45 connector 15 by netting twine.
The control port of described Video Decoder 4 is connected with telecommunication network switch 10 with RJ45 connector 15 by netting twine.
The output port of described Video Decoder 4 is connected with display 11 with bnc connector 13 by coaxial cable.
Described remote port 3G router 8 is connected with telecommunication network switch 10 with RJ45 connector 15 by netting twine.
Described remote control terminal 9 is connected with telecommunication network switch 10 with RJ45 connector 15 by netting twine.
As shown in Figure 1, the video acquisition unit 1 in the said structure adopts four cameras, and local control terminal 5 and remote control terminal 9 all adopt computer.Among this figure, four cameras send the monitor video that obtains to image splitter 2, and synthetic one road video sends video encoder 3 then to; 3 pairs of videos of video encoder compress, and the video data after the compression sends the 3G router to through the network switch and sends.Remote port receives monitor video by the 3G router, shows after decoding.Remote control terminal 9 is selected required control point and video coding parameter as required, and Video Decoder 4 is set, and these parameters are sent to local control terminal 5 by the 3G link; Local control terminal 5 arranges image splitter 2 and video encoder 3 according to the parameter that receives.The control port of selected image splitter 2 is serial ports in the system, therefore utilizes RS232-RJ45 transducer 12 to realize the mutual conversion of network interface and serial ports.
The utility model is by the video synthetic technology, and making by low rate transmission of radio links multi-channel video becomes possibility.Utilize the constructed long distance wireless multipoint video supervisory control system of this technology, in transport monitor system, can well be used.
The utility model can be realized the multi-channel video transmission with this with synthetic one road video of multi-channel video, can be with the multi-channel analog video through after the type conversion, be converted to digital video, compress the resolution of every road video then, multi-channel video is synthesized on a picture through picture segmentation, export one tunnel digital video after synthetic; Digital video after synthetic is converted to analog video output through type conversion again; Local control terminal 5 selects the suitable face that changes to cut apart pattern as required, and correspondingly selects the resolution of every road video.
Concrete device name and the model that adopts can reference table 1.
The device name that table 1 adopts and model
Except local control terminal and the remote control terminal 9 of above-mentioned execution mode all adopts the computer mode that can also take: local control terminal and remote control terminal 9 all are smart mobile phones; Perhaps, local control terminal 5 adopts computer (notebook, panel computer etc.), and remote control terminal 9 adopts smart mobile phone; Perhaps, local control terminal 5 adopts smart mobile phone, and remote control terminal 9 adopts computer (notebook, panel computer etc.).
Claims (10)
1. long distance wireless multipoint video supervisory control system, it is characterized in that: comprise local side and remote port two parts, local side comprises some for collecting unit, image splitter (2), video encoder (3), local network switch (7), local control terminal (5), the 3G router of gathering video; Remote port comprises 3G router, Video Decoder (4), telecommunication network switch, remote control terminal (9) and display (11);
Wherein:
In local side, video acquisition unit (1) all is connected to image splitter (2), and image splitter (2) is connected with video encoder (3), local network switch (7) respectively; Video encoder (3) is connected to local network switch (7); Local network switch (7) all is connected with local control terminal (5), local side 3G router (6) respectively;
Local side 3G router (6) is connected with remote port 3G router (8) by the 3G wireless communication link;
In remote port, remote port 3G router (8) is connected with telecommunication network switch (10); Telecommunication network switch (10) is connected with Video Decoder (4), remote control terminal (9) respectively; Video Decoder (4) is connected with display (11).
2. a kind of long distance wireless multipoint video supervisory control system according to claim 1 is characterized in that:
Described video acquisition unit (1) utilizes coaxial cable to be connected with the input port of bnc connector (13) with image splitter (2).
3. a kind of long distance wireless multipoint video supervisory control system according to claim 1, it is characterized in that: the output port of described image splitter (2) is connected with video encoder (3) with BNC connector by coaxial cable.
4. a kind of long distance wireless multipoint video supervisory control system according to claim 3, it is characterized in that: the control port of described image splitter (2) is connected with RS232-RJ45 transducer (12) by netting twine, RJ232 connector (14), and RS232-RJ45 transducer (12) is connected with local network switch (7) by netting twine, RJ45 connector (15).
5. a kind of long distance wireless multipoint video supervisory control system according to claim 1, it is characterized in that: described local control terminal (5) is connected with local network switch (7) with RJ45 connector (15) by netting twine.
6. a kind of long distance wireless multipoint video supervisory control system according to claim 1, it is characterized in that: described local side 3G router (6) is connected with local network switch (7) with RJ45 connector (15) by netting twine.
7. a kind of long distance wireless multipoint video supervisory control system according to claim 1, it is characterized in that: the control port of described Video Decoder (4) is connected with telecommunication network switch (10) with RJ45 connector (15) by netting twine.
8. a kind of long distance wireless multipoint video supervisory control system according to claim 7, it is characterized in that: the output port of described Video Decoder (4) is connected with display (11) with bnc connector (13) by coaxial cable.
9. a kind of long distance wireless multipoint video supervisory control system according to claim 1, it is characterized in that: described remote port 3G router (8) is connected with telecommunication network switch (10) with RJ45 connector (15) by netting twine.
10. a kind of long distance wireless multipoint video supervisory control system according to claim 1, it is characterized in that: described remote control terminal (9) is connected with telecommunication network switch (10) with RJ45 connector (15) by netting twine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320226949 CN203233504U (en) | 2013-04-28 | 2013-04-28 | Remote wireless multi-point video monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320226949 CN203233504U (en) | 2013-04-28 | 2013-04-28 | Remote wireless multi-point video monitoring system |
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| CN203233504U true CN203233504U (en) | 2013-10-09 |
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| CN 201320226949 Expired - Fee Related CN203233504U (en) | 2013-04-28 | 2013-04-28 | Remote wireless multi-point video monitoring system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647950A (en) * | 2013-12-16 | 2014-03-19 | 天津市电视技术研究所 | Remote centralized control monitoring display system |
| CN104023214A (en) * | 2014-06-25 | 2014-09-03 | 广东工业大学 | Distribution type video monitoring system constructed under domestic wifi (wireless fidelity) network |
| CN105872469A (en) * | 2016-04-22 | 2016-08-17 | 林泓宇 | System and method for monitoring distributed storage monitoring videos |
| CN106454186A (en) * | 2016-11-02 | 2017-02-22 | 深圳瑞芯通智能科技有限公司 | Multi-channel video recording and platform interaction method and device based on Android system |
| CN106603975A (en) * | 2016-12-01 | 2017-04-26 | 广东威创视讯科技股份有限公司 | Display method, apparatus and system of monitoring videos |
| CN106993194A (en) * | 2016-01-20 | 2017-07-28 | 上海慧体网络科技有限公司 | A kind of method that use mobile phone carries out long-range instructor in broadcasting |
-
2013
- 2013-04-28 CN CN 201320226949 patent/CN203233504U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647950A (en) * | 2013-12-16 | 2014-03-19 | 天津市电视技术研究所 | Remote centralized control monitoring display system |
| CN104023214A (en) * | 2014-06-25 | 2014-09-03 | 广东工业大学 | Distribution type video monitoring system constructed under domestic wifi (wireless fidelity) network |
| CN106993194A (en) * | 2016-01-20 | 2017-07-28 | 上海慧体网络科技有限公司 | A kind of method that use mobile phone carries out long-range instructor in broadcasting |
| CN105872469A (en) * | 2016-04-22 | 2016-08-17 | 林泓宇 | System and method for monitoring distributed storage monitoring videos |
| CN106454186A (en) * | 2016-11-02 | 2017-02-22 | 深圳瑞芯通智能科技有限公司 | Multi-channel video recording and platform interaction method and device based on Android system |
| CN106603975A (en) * | 2016-12-01 | 2017-04-26 | 广东威创视讯科技股份有限公司 | Display method, apparatus and system of monitoring videos |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20150428 |
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| EXPY | Termination of patent right or utility model |