A kind of video alarm control system
Technical field
The utility model relates to video monitoring technology and controlling alarm technical field, relates to a kind of video alarm control system specifically.
Background technology
Progress and science and technology development along with society; video monitoring system and alarm control system are widely accepted; and be applied to various security protections place, and the offender has been produced great fright, bringing into play important effect for protecting people's life and property safety.The technical scheme that present employed video monitoring and controlling alarm technology adopt usually is to use two cover systems to realize the function of video monitoring and controlling alarm separately, the problem that exists is the alarm control system abnormality of front monitoring front-end detecting devices in real time, but the concrete condition of knowing front end that can't be definite also can't keep first-hand image evidence; And video monitoring system can be shot with video-corder the front end image, but can not real-time warning message be responded.A front end is installed two cover systems, has wasted the man power and material so greatly, has also increased the unreliability of whole safety-protection system.And two cover system front end alternately seldom, only arriving separately in the data of front end, client just has alternately, produce thus and report by mistake in a large number and fail to report, and a large amount of invalid video recording data, can't give full play to the effect of safety-protection system, therefore, how to overcome the deficiency of existing video monitoring system and alarm control system, develop that novel to have the safety defense monitoring system that video monitoring function and alarm control function are united two into one be the vital task that this area need solve.
Summary of the invention
The purpose of this utility model provides that a kind of collection video monitoring function unites two into one with alarm control function, system's intensity is high becomes, and guarantees that warning message is accurate, and the video alarm control system of reduction system construction and use cost.
In order to achieve the above object, the utility model by the following technical solutions, a kind of video alarm control system, form by sensor probe, camera, video alarm controller, IP network, PSTN speech network and client, sensor probe is connected the video alarm controller with the camera circuit, and the video alarm controller is communicated with client by IP network and PSTN speech network or by built-in wireless communication module; The video alarm controller is combined by Video service module, warning processing module and wireless communication module, and wherein the Video service module is made up of video/audio signal decoder module, main control module, serial communication module, network interface communication module, local memory module; The warning processing module is made up of defence area detection module, alarm output module, DTMF transceiver module, recording module.
Above-mentioned described main control module adopts based on the ARM9 processor cores, and the vision hardware accelerating engine, high integration and support H.264 high performance communication media processor chips HI3512 with agreement such as MJPEG.
Above-mentioned described video/audio signal decoder module adopts and to look audio decoder chip TW2835 with what 4 road CVBS analog video signals converted 1 road D1, the output of BT.656 video code flow to.
Above-mentioned described serial communication module adopts the MAX3232 chip.
Above-mentioned described local memory module adopts PCI to change the interface conversion chip SIL3512 of SATA.
Above-mentioned described network interface communication module adopts 10/100M adaptive, MII interface ethernet physical layer transponder chip RTL8201.
Above-mentioned described DTMF transceiver module adopts DTMF sign indicating number receiving chip HT9170 and DTMF sign indicating number to send chip HT9200.
Principle of work of the present utility model is as follows, sensor probe and camera are at the front end of whole video alarm control system, sensor probe is monitored the defence area situation of front end, in case the sensor probe monitors the abnormal conditions in defence area, then notify the warning processing module in the video alarm controller immediately, the warning processing module converts the abnormal information in defence area to the DTMF sign indicating number, by the PSTN speech network, uploads client according to the ContactID agreement.The processing module of reporting to the police simultaneously is forwarded to the Video service module with the abnormal information in defence area.Video service module controls The Cloud Terrace makes camera aim at corresponding defence area, takes the defence area image, after the compression of images of gained defence area, is saved in the local SATA hard disk, and the abnormal information in the defence area mode with OSD is kept in the image, so that evidence obtaining is used.The Video service module also uploads to client by IP network with the abnormal information in defence area, realizes two online biographies of warning message.After client is received the defence area abnormal information, make the predefined litigant of notice, trigger respective handling such as front end warning signal.Client and litigant can pass through IP network accessing video alarm controller, watch the front end image in real time or transfer the image that the video alarm controller is recorded; Also can monitor the real-time sound of front end or call the acoustic information that recording module is recorded by the pstn telephone net.Wireless communication module is built in the video alarm controller, is used for guaranteeing warning message and sound, video data to client upload when cable network is obstructed or destroyed, realizes the information uploading double route, guarantees the unobstructed alternately of front end and client.
The utility model organically merges to video monitoring system and alarm control system in the system, and realizes video monitoring and two kinds of functions of controlling alarm, and system height is integrated, has significantly reduced the construction volume of system, has reduced system cost; Defence areas alarm information is by PSTN speech network and IP network, and two online biography clients are guaranteed errorless the uploading of warning message energy; Built-in wireless communication module is realized the information uploading double route, when cable network is destroyed, guarantees that information is errorless to upload.
Description of drawings
Fig. 1 is a system architecture synoptic diagram of the present utility model
Fig. 2 is a video alarm controller principle schematic block diagram of the present utility model
Embodiment
Below in conjunction with accompanying drawing in detail the utility model is described in detail, can finds out principle of work of the present utility model from Fig. 1-Fig. 2:
A kind of video alarm control system, form by camera 1, sensor probe 2, video alarm controller 3, IP network, PSTN speech network and client 4, camera 1 is connected video alarm controller 3 with sensor probe 2 circuits, and video alarm controller 3 is communicated with client 4 by IP network and PSTN speech network; Video alarm controller 3 is combined by Video service module 5, warning processing module 12 and wireless communication module 10, and wherein Video service module 5 is made up of video/audio signal decoder module 6, main control module 7, network interface communication module 8, local memory module 9, serial communication module 17; Warning processing module 12 is made up of single-chip microcomputer 14, defence area detection module 15, alarm output module 16, DTMF transceiver module 11, recording module 13; Video alarm controller 3 and client 4 constitute the video alarm control system by IP network and PSTN network-in-dialing.Camera 1 and sensor probe 2 are at the front end of whole video alarm control system.The defence area situation of 2 pairs of front ends of sensor probe is monitored, in case detect abnormal conditions, then notifies the single-chip microcomputer 14 of warning processing modules 12 by defence area detection module 15.After the abnormal information of confirming the defence area, single-chip microcomputer 14 starts recording module 13 immediately and records on-the-spot sound, control alarm output module 16 drives local warning signal, and abnormal information is packaged into the ContactID packet, convert described ContactID packet to the DTMF sign indicating number by DTMF transceiver module 11, send to client by the pstn telephone network.The processing module of reporting to the police simultaneously 12 is forwarded to Video service module 5 with the abnormal information in defence area by serial communication module 17.The main control module 7 of Video service module 5 is aimed at corresponding defence area by serial ports processing module 17 control The Cloud Terrace and camera lenses.Video/audio signal decoder module 6 is gathered 4 road PAL/NTSC vision signals, converts the BT.656 code stream of 1 road D1 to, by the VIDEOPORT interface, passes in the main control module 7.Main control module 7 is added to the warning message in defence area in the video data, and adopting H.264 by the built-in high-performance hardware scrambler of the master chip HI3512 of main control module 7 to the video data of receiving again, encryption algorithm compresses.After 4 road voice datas that video/audio signal decoder module 6 is gathered were delivered to main control module 7 by the IIS interface, adopting G.729, encryption algorithm compressed.Looking after the compression, voice data store in the local SATA hard disk by the PCI-SATA interface conversion chip SIL3512 of local memory module 9, so that evidence obtaining is used.Network process module 8 uploads to client 4 by IP network with the abnormal information in defence area, realizes two online biographies of warning message.After client 4 is received the defence area abnormal information, respective handling such as the litigant that puts up a notice, triggering front end warning signal.Client 4 can be passed through IP network accessing video alarm controller 3, watches the front end image in real time or transfers the image that video alarm controller 3 is recorded; Also can monitor the real-time sound of front end or call the voice that recording module 13 is recorded by the pstn telephone net.When pstn telephone network and wired IP network are obstructed or destroyed, video alarm controller 3 automatically switches to and uses built-in wireless communication module 10 and client 4 communications, guarantee that warning message and video/audio upload to client 4, realize the information uploading double route.
Main control module 7 adopts based on the ARM9 processor cores, and the vision hardware accelerating engine, high integration and support H.264 high performance communication media processor chips HI3512 with agreement such as MJPEG.Video/audio signal decoder module 6 adopts looks audio decoder chip TW2835 with what 4 road CVBS analog video signals converted 1 road D1, the output of BT.656 video code flow to.Serial communication module 17 adopts the MAX3232 chip.Local memory module 9 adopts PCI to change the interface conversion chip SIL3512 of SATA.Network interface communication module 8 adopts 10/100M adaptive, MII interface ethernet physical layer transponder chip RTL8201.DTMF transceiver module 11 adopts DTMF sign indicating number receiving chip HT9170 and DTMF sign indicating number to send chip HT9200.