CN201127086Y - Multipath remote wireless monitoring system - Google Patents
Multipath remote wireless monitoring system Download PDFInfo
- Publication number
- CN201127086Y CN201127086Y CNU2007200613881U CN200720061388U CN201127086Y CN 201127086 Y CN201127086 Y CN 201127086Y CN U2007200613881 U CNU2007200613881 U CN U2007200613881U CN 200720061388 U CN200720061388 U CN 200720061388U CN 201127086 Y CN201127086 Y CN 201127086Y
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- digital microwave
- wireless digital
- video
- long distance
- channel
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Abstract
The utility model discloses a multi-path remote wireless monitoring system, comprising a camera, a multi-path video server, a remote wireless digital microwave transmitter with double network cards, a remote wireless digital microwave receiver with double network cards, a data switch, a video decoder, and a monitoring host. The camera is connected to the multi-path video server by a video wire and a control wire. The multi-path video server is connected to the remote wireless digital microwave transmitter with double network cards. The remote wireless digital microwave transmitter with double network cards is wirelessly connected with the remote wireless digital microwave receiver by antenna with double network cards. The remote wireless digital microwave receiver by antenna with double network cards is connected to the video decoder and the monitoring host respectively through the digital switch.
Description
Technical field
The utility model relates to a kind of wireless supervisory control system.
Background technology
Present wireless point-to-point, point-to-multipoint wireless supervisory control system, normally a video camera adopts a video server, a wireless digital networks microwave emitter, the zone comparatively intensive with respect to the control point exist the installation cost height, mutually face between shortcoming such as frequency interferences, simultaneously since long distance wireless digital network microwave emitter adopt the 802.11a/b/g agreement limited bandwidth, cause the limited of wireless supervisory control system development.
Summary of the invention
At the shortcoming of prior art, the purpose of this utility model provides the multi-channel long wireless supervisory control system, solve existing wireless supervisory control system exist the installation cost height, mutually face between the problem of frequency interferences.
To achieve these goals, the technical solution of the utility model is: a kind of multi-channel long wireless supervisory control system, comprise video camera, the multi-channel video server, two network interface card long distance wireless digital microwave reflectors, two network interface card long distance wireless digital microwave receivers, data switching exchane, Video Decoder and monitoring host computer, described video camera is connected with the multi-channel video server, described multi-channel video server is connected with two network interface card long distance wireless digital microwave reflectors, the described pair of network interface card long distance wireless digital microwave reflector be by antenna and two network interface card long distance wireless digital microwave receiver wireless connections, the described pair of network interface card long distance wireless digital microwave receiver by data switching exchane respectively with Video Decoder, monitoring host computer connects.
Described multi-channel video server can have a plurality of, and carries out network matrix with data switching exchane between each multi-channel video server.
Antenna on described long distance wireless digital microwave reflector and the two network interface card long distance wireless digital microwave receiver can be high-gain aerial.
Described Video Decoder can be list/multipath network video decoder.
Compared with prior art, because the utility model adopted the multi-channel video server, multiple cameras can only use a multi-channel video server, thus installation cost is low, face mutually between frequency can not disturb; Owing to adopted two network interface card long distance wireless digital microwaves to transmit and receive device, solved band-limited problem, wireless supervisory control system can continue extensive development.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a connection block diagram of the present utility model.
Embodiment
See also Fig. 1, the multi-channel long wireless supervisory control system of present embodiment comprises multiple cameras 1, at least more than one multi-channel video server 4, two network interface card long distance wireless digital microwave reflectors 5, two network interface card long distance wireless digital microwave receivers 7, data switching exchane 8, Video Decoder 9 and monitoring host computer 10, video camera 1 is by video line 2, control line 3 is connected with multi-channel video server 4, multi-channel video server 4 is connected with two network interface card long distance wireless digital microwave reflectors 5, two network interface card long distance wireless digital microwave reflectors 5 are by antenna 6 and two network interface card long distance wireless digital microwave receiver 7 wireless connections, two network interface card long distance wireless digital microwave receivers 7 by data switching exchane 8 respectively with Video Decoder 9, monitoring host computer 10 connects, and monitoring host computer 10 is connected with television set 11 again.
Wherein, adopt mpeg4, four tunnel/eight road video servers of algorithm h.264 during a multi-channel video server, carry out A/D conversion, by mpeg4, h.264 algorithm compresses video data, and transmit by network after with packing data by ICP/IP protocol; When for a plurality of multi-channel video servers and data switching exchane, adopt a plurality of mpeg4, four tunnel/eight road network network video servers of algorithm h.264, carry out network matrix with data switching exchane, realize that more the multiway images data are concurrent, carry out the A/D conversion, by mpeg4, h.264 algorithm compresses video data, and transmit by network after with packing data by ICP/IP protocol.
Two network interface card long distance wireless digital microwave emitter/receivers: the method that adopts a kind of mimo (input of multiple tracks output multiple tracks) communication system of the patent No. 200410000490.1, the MIMO receiver that is used for the MIMO communication system and reception MIMO to transmit, transmitter and receiver adopts double antenna to realize the WiMAX wireless network.By embedded Linux system, utilize the MIMO modulation technique to have more the reception/launching technique of going into more, carry out the long distance wireless transmission by the data that two high-gain aerials are packed to network, adopt the international public frequency range of 2.4G simultaneously.
Data switching exchane adopts the general networks data switching exchane, the target MAC (Media Access Control) address of judgment data bag, thus data are sent from suitable port.
Video Decoder adopts single, multipath network video decoder, video encoder requires the video input of YUV4:2:0 form, therefore may carry out the preliminary treatment of video input according to application need, promptly to YUV4:2:2 interlacing scan (for example from video camera) to YUV 4:2:0 non-interlace conversion, only extract but do not filter the UV branch.For Video Decoder, also need to carry out reprocessing, be converted to RGB with YUV 4:2:0 data and show that comprise: YUV 4:2:0 changes to RGB decoding; 16 or 12 RGB display formats; 0 to 90 degree rotation realizes laterally or vertically showing.
Monitoring host computer is the real time video image on the interior 1-16 road of display monitoring network in real time, can realize single-image, 4 pictures, and 6 pictures, 8 pictures, 9 pictures, 16 picture segmentation show, support taking turn to show; In the authority tolerance band,, change the orientation of video camera, luffing angle and focal length etc. by control to front end platform and camera lens; Can make the video recording of reporting to the police according to the video time automatic video recording of setting or the alarm signal of receiver, video server; The time image to capture be to be used for the miscellaneous function of real-time photographic images, it preserves the single-frame images in the dynamic image get off with the picture format of BMP, can be to monitoring or just capturing at the image of playback; Video server JPEG D1 form is captured and to be meant that the front end of video server directly captures, and the form that its is captured is the D1 form, and definition is not subjected to the influence of Network Transmission; Can carry out two-way voice transmissions between client and the headend equipment, client can be monitored the audio frequency of headend equipment, and client can send to headend equipment with audio frequency simultaneously, realizes intercommunication with headend equipment; After client receives the alarm signal of headend equipment transmission, client will start video recording according to being provided with, and show electronic chart and demonstration realtime graphic according to being provided with; Comprise the headend equipment in monitoring scene title and this scene in the electronic chart, clicked the front end video equipment icon that distributes on the electronic chart, promptly shown the realtime graphic of this equipment; Can retrieve the video file of the equipment random time in the local video recording of playback; Retrieved the video file in the playback download front end video equipment, or the video file of other ImagineWorldClien is downloaded in the retrieval playback.
Claims (4)
1, a kind of multi-channel long wireless supervisory control system, comprise video camera, the multi-channel video server, two network interface card long distance wireless digital microwave reflectors, two network interface card long distance wireless digital microwave receivers, data switching exchane, Video Decoder and monitoring host computer, described video camera passes through video line, control line is connected with the multi-channel video server, described multi-channel video server is connected with two network interface card long distance wireless digital microwave reflectors, the described pair of network interface card long distance wireless digital microwave reflector be by antenna and two network interface card long distance wireless digital microwave receiver wireless connections, the described pair of network interface card long distance wireless digital microwave receiver by data switching exchane respectively with Video Decoder, monitoring host computer connects.
2, multi-channel long wireless supervisory control system as claimed in claim 1 is characterized in that, described multi-channel video server has a plurality of, and carries out network matrix with data switching exchane between each multi-channel video server.
3, multi-channel long wireless supervisory control system as claimed in claim 1 is characterized in that, the antenna on described long distance wireless digital microwave reflector and the two network interface card long distance wireless digital microwave receiver is a high-gain aerial.
4, multi-channel long wireless supervisory control system as claimed in claim 1 is characterized in that, described Video Decoder is a list/multipath network video decoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200613881U CN201127086Y (en) | 2007-12-13 | 2007-12-13 | Multipath remote wireless monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200613881U CN201127086Y (en) | 2007-12-13 | 2007-12-13 | Multipath remote wireless monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201127086Y true CN201127086Y (en) | 2008-10-01 |
Family
ID=40000549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200613881U Expired - Fee Related CN201127086Y (en) | 2007-12-13 | 2007-12-13 | Multipath remote wireless monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201127086Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237185A (en) * | 2013-05-15 | 2013-08-07 | 无锡北斗星通信息科技有限公司 | System for carrying out broadcasting control on ATSC (Advanced Television System Committee) signal at television station end |
| CN106603976A (en) * | 2016-12-09 | 2017-04-26 | 西华大学 | Intelligent microwave frequency range radio monitoring and controlling system |
-
2007
- 2007-12-13 CN CNU2007200613881U patent/CN201127086Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237185A (en) * | 2013-05-15 | 2013-08-07 | 无锡北斗星通信息科技有限公司 | System for carrying out broadcasting control on ATSC (Advanced Television System Committee) signal at television station end |
| CN106603976A (en) * | 2016-12-09 | 2017-04-26 | 西华大学 | Intelligent microwave frequency range radio monitoring and controlling system |
| CN106603976B (en) * | 2016-12-09 | 2020-01-21 | 西华大学 | Intelligent microwave frequency band radio monitoring control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20101213 |