CN103294436A - NVR (network video recorder) system capable of independently operating and displaying in multiple screens - Google Patents
NVR (network video recorder) system capable of independently operating and displaying in multiple screens Download PDFInfo
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- CN103294436A CN103294436A CN2013102177711A CN201310217771A CN103294436A CN 103294436 A CN103294436 A CN 103294436A CN 2013102177711 A CN2013102177711 A CN 2013102177711A CN 201310217771 A CN201310217771 A CN 201310217771A CN 103294436 A CN103294436 A CN 103294436A
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Abstract
The invention discloses an NVR (network video recorder) system capable of independently operating and displaying in multiple screens. The NVR system comprises multiple network cameras, a network hard disk video recorder connected with the network cameras via an IP (internet protocol) network, and control peripherals and a display equipment group which are connected to the network hard disk video recorder. The network hard disk video recorder comprises a CPU (central processing unit), a video decoder, an image processing unit, a display outputting unit and a peripheral interface module, the video decoder, the image processing unit, the display outputting unit and the peripheral interface module are all connected with the CPU, the display outputting unit comprises an HDMI (high-definition multimedia interface), a VGA (video graphics array) interface and a CVBS (composite video broadcast signal) output module, the image processing unit comprises an image processing module, a D/A (digital/analog) converting module and a video compressing/decompressing module, both the D/A converting module and the video compressing/decompressing module are connected to the image processing module, the D/A converting module is also connected with the video compressing/decompressing module, the CVBS output module is connected with the video compressing/decompressing module, the HDMI is connected with the image processing module, and the VGA interface is connected with the D/A converting module.
Description
Technical field
The present invention relates to field of video monitoring, relate in particular to a kind of multi-screen independent operation and show the NVR system.
Background technology
Development along with the video monitoring technology, the application of NVR supervisory system is extensive gradually, its major equipment---network hard disk video recorder (Network Video Recorder, NVR) topmost function is to receive the IPC(web camera by network) digital video bit stream of device transmission, and store, manage, thereby realize the distributed structure/architecture advantage that networking brings.By NVR, can watch simultaneously, browse, playback, management, a plurality of web cameras of storage.
Existing network hard disk video recorder generally comprises CPU, Video Decoder, picture segmentation and demonstration output unit, video compress and decompression module, the CVBS output module, memory module, the Peripheral Interface module, cloud mirror control module, alarm module, Network Interface Module, but all adopt same display screen to show the video of mouse action menu and decoding simultaneously, like this, when actions menu, Control-Menu and decoded video output just are superimposed upon on the same video output source, preview realtime graphic clearly just, in addition, when the retrieval of carrying out Video Document and playback, must stop live preview, it is very inconvenient to use, and influences real-time and the monitoring effect of video monitoring.And when multiple-person cooperative work, can reduce work efficiency.
Summary of the invention
The technical problem to be solved in the present invention just is: at the technical matters of prior art existence, the invention provides a kind of multi-screen independent operation and show the NVR system, its network hard disk video recorder can be by the multi-path high-definition video output interface with different video source split screen output, do not influence real-time monitoring, simple to operation.
For achieving the above object, multi-screen independent operation of the present invention shows the NVR system, the network hard disk video recorder that comprises a plurality of web cameras, links to each other with web camera by IP network, control peripheral hardware, a plurality of display device group, control peripheral hardware and display device group all are connected on the network hard disk video recorder.Network hard disk video recorder comprises CPU, the Video Decoder that is used for the reception monitor video and decodes, graphics processing unit for the treatment of decoded video, image after being used for handling outputs to the demonstration output unit on the display device group, the Peripheral Interface module that is used for control network hard disk video recorder and web camera, above-mentioned Video Decoder, graphics processing unit, show output unit, the Peripheral Interface module all links to each other with CPU, wherein: show that output unit comprises the HDMI interface for output real-time decoding video, the VGA interface, the CVBS output module that is used for output playback video and Control-Menu; Above-mentioned graphics processing unit comprises image processing module, D/A modular converter, video compress/decompression module, and D/A modular converter, video compress/decompression module all are connected on the image processing module, and the D/A modular converter also links to each other with video compress/decompression module; Above-mentioned CVBS output module links to each other with video compress/decompression module, and above-mentioned HDMI interface links to each other with image processing module, and above-mentioned VGA interface links to each other with the D/A modular converter.
As a further improvement on the present invention, above-mentioned display device group comprises at least one monitor, at least one display and at least one HDMI digital TV in high resolution, and above-mentioned monitor, HDMI digital TV in high resolution, display link to each other with network hard disk video recorder by CVBS output module, HDMI interface, VGA interface respectively.
Further, above-mentioned control peripheral hardware comprises mouse, supervisory keyboard and telepilot; Above-mentioned Peripheral Interface module comprises infrared interface module and a plurality of USB module.
Further, above-mentioned control peripheral hardware also comprises remote computer, and above-mentioned network hard disk video recorder is provided with network interface, and remote computer links to each other with network hard disk video recorder by the internet.
Preferably, above-mentioned video compress/decompression module adopts the sea to think Hi3510 coding and decoding video chip or the MB86H50 of Fujitsu chip; Above-mentioned VGA interface adopts the CH7033 chip.
Beneficial effect of the present invention is: this multi-screen independent operation shows that the network hard disk video recorder in the NVR system has increased video output interface, the real-time decoding video is shown by HDMI interface and the output of VGA interface, video and the operation Control-Menu of retrieval playback are shown by the output of CVBS output module, therefore, when actions menu, dissimilar videos need not stack output, do not influence the realtime graphic preview, when the retrieval of carrying out Video Document and playback, also need not stop live preview, not influence real-time and the monitoring effect of video monitoring, and easy to use, when multiple-person cooperative work, do not influence work efficiency.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of network hard disk video recorder.
Marginal data:
1, CPU; 2, Video Decoder; 3, graphics processing unit; 31, image processing module; 32, D/A modular converter; 33, video compress/decompression module; 4, show output unit; 41, HDMI interface; 42, CVBS output module; 43, VGA interface; 5, Peripheral Interface module.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
As depicted in figs. 1 and 2, the multi-screen independent operation of present embodiment shows the NVR system, the network hard disk video recorder that comprises a plurality of web cameras, links to each other with web camera by IP network, control peripheral hardware, display device group, above-mentioned control peripheral hardware and display device group all are connected on the network hard disk video recorder.Above-mentioned network hard disk video recorder comprises CPU1, the Video Decoder 2 that is used for the reception monitor video and decodes, graphics processing unit 3 for the treatment of decoded video, image after being used for handling outputs to the demonstration output unit 4 on the display device group, the Peripheral Interface module 5 that is used for control network hard disk video recorder and web camera, above-mentioned Video Decoder 2, graphics processing unit 3, show output unit 4, Peripheral Interface module 5 all links to each other with CPU1, and above-mentioned demonstration output unit 4 comprises HDMI interface 41 and the VGA interface 43 for output real-time decoding video, the CVBS output module 42 that is used for output playback video and Control-Menu; Above-mentioned graphics processing unit 3 comprises image processing module 31, D/A modular converter 32, video compress/decompression module 33, D/A modular converter 32, video compress/decompression module 33 all are connected on the image processing module 31, D/A modular converter 32 also links to each other with video compress/decompression module 33, above-mentioned CVBS output module 42 links to each other with video compress/decompression module 33, above-mentioned HDMI interface 41 links to each other with image processing module 31, and above-mentioned VGA interface 43 links to each other with D/A modular converter 32.
Wherein, above-mentioned display device group comprises at least one monitor, at least one display and at least one HDMI digital TV in high resolution, and above-mentioned monitor, HDMI digital TV in high resolution, display link to each other with network hard disk video recorder by CVBS output module 42, HDMI interface 41, VGA interface 43 respectively.
In the present embodiment, web camera remote collection monitor video, and be transferred to network hard disk video recorder by IP network, the Video Decoder 2 of network hard disk video recorder receives monitor video from web camera, and to the monitor video conversion of decoding, the image processing module 31 that video after the conversion sends in the graphics processing unit 3 carries out the picture processing, and processed video can through HDMI interface 41 or VGA interface 43 send to the HDMI digital TV in high resolution or display shows; Also can be again after D/A modular converter 32 converts simulating signal to, output on the display by VGA interface 43 through image processing module 31 processed video and to show; After image processing module 31 processed video can also be carried out compressed encoding by video compress/decompression module 33, store in the External memory equipment and outside by network and send out.In addition, also can carry out picture through the video of Video Decoder 2 decoding handles directly to transfer to store in the External memory equipment and outside by network after video compress/decompression module 33 is carried out compressed encoding and sends out.In addition, the monitor video in the External memory equipment also can carry out decompress(ion) by video compress/decompression module 33 and converts to after the simulating signal to output on the monitor by CVBS output module 42 by D/A modular converter 32 and show.
Above-mentioned Peripheral Interface module 5 is mainly used in operating personnel and uses peripheral hardware operation control web camera and network hard disk video recorders such as mouse, keyboard, telepilot, can adopt general mouse, keyboard interface, infrared interface; Also at least 2 USB interface be can comprise, USB mouse, keyboard, touch-screen etc. connected; Also can be constituted by a USB interface and a USB hub who is connected on the USB interface, connect USB mouse, keyboard, touch-screen etc. by USB hub, specifically can adopt USB 8251 chips to realize.Above-mentioned control peripheral hardware comprises mouse, supervisory keyboard and telepilot, remote computer.Wherein, keyboard is crossed USB interface with MouseAcross and is linked to each other with network hard disk video recorder; Telepilot links to each other with network hard disk video recorder by infrared interface; Remote computer then is connected through the internet to the network interface that arranges on the network hard disk video recorder, thereby realizes that remote computer links to each other with network hard disk video recorder.
In the present embodiment, network hard disk video recorder image processing module 31, D/A modular converter 32, HDMI interface 41 can adopt the TW2880 chip of techwell company to realize; Video compress/decompression module 33 can adopt the sea to think Hi3510 coding and decoding video chip or the MB86H50 of Fujitsu chip; It is the VGA interface chip of CH7033 that VGA interface 43 can adopt model.In addition, CPU1, Video Decoder 2, CVBS output module 42 all can adopt relevant art, circuit and the chip that existing network hard disk video recorder uses.
In addition, also adopt the DM8168 chip to realize CPU1, Video Decoder 2, image processing module 31, D/A modular converter 32; Video compress/decompression module 33, HDMI interface 41.
Below only be preferred implementation of the present invention, protection scope of the present invention also not only is confined to above-described embodiment, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under the principle of the invention prerequisite should be considered as protection scope of the present invention.
Claims (5)
1. the multi-screen independent operation shows the NVR system, comprise a plurality of web cameras, the network hard disk video recorder that links to each other with web camera by IP network, the control peripheral hardware, the display device group, described control peripheral hardware and display device group all are connected on the network hard disk video recorder, described network hard disk video recorder comprises CPU(1), the Video Decoder (2) that is used for the reception monitor video and decodes, graphics processing unit (3) for the treatment of decoded video, image after being used for handling outputs to the demonstration output unit (4) on the display device group, the Peripheral Interface module (5) that is used for control network hard disk video recorder and web camera, described Video Decoder (2), graphics processing unit (3), show output unit (4), Peripheral Interface module (5) all with CPU(1) link to each other, it is characterized in that described demonstration output unit (4) comprises the HDMI interface (41) for output real-time decoding video, VGA interface (43), the CVBS output module (42) that is used for output playback video and Control-Menu; Described graphics processing unit (3) comprises image processing module (31), D/A modular converter (32), video compress/decompression module (33), D/A modular converter (32), video compress/decompression module (33) all are connected on the image processing module (31), D/A modular converter (32) also links to each other with video compress/decompression module (33), described CVBS output module (42) links to each other with video compress/decompression module (33), described HDMI interface (41) links to each other with image processing module (31), and described VGA interface (43) links to each other with D/A modular converter (32).
2. multi-screen independent operation according to claim 1 shows the NVR system, it is characterized in that, described display device group comprises at least one monitor, at least one display and at least one HDMI digital TV in high resolution, and described monitor, HDMI digital TV in high resolution, display link to each other with network hard disk video recorder by CVBS output module (42), HDMI interface (41), VGA interface (43) respectively.
3. multi-screen independent operation according to claim 1 shows the NVR system, it is characterized in that described control peripheral hardware comprises mouse, supervisory keyboard and telepilot; Described Peripheral Interface module (5) comprises infrared interface module and a plurality of USB module.
4. show the NVR system according to the arbitrary described multi-screen independent operation of claim 1 to 3, it is characterized in that, described control peripheral hardware also comprises remote computer, and described network hard disk video recorder is provided with network interface, and remote computer links to each other with network hard disk video recorder by the internet.
5. multi-screen independent operation according to claim 4 shows the NVR system, it is characterized in that, described video compress/decompression module (33) adopts the sea to think Hi3510 coding and decoding video chip or the MB86H50 of Fujitsu chip; Described VGA interface (43) adopts the CH7033 chip.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104539901A (en) * | 2014-12-24 | 2015-04-22 | 上海伟视清数字技术有限公司 | Decoding display control system and method |
| CN105825776A (en) * | 2016-05-30 | 2016-08-03 | 河南通达多媒体制作有限公司 | Control system for LED display screen splicing |
| CN105913768A (en) * | 2016-05-30 | 2016-08-31 | 河南通达多媒体制作有限公司 | LED display screen splicing process |
| CN105955690A (en) * | 2016-06-07 | 2016-09-21 | 武汉烽火众智数字技术有限责任公司 | Multi-screen switching device and method of computer |
| CN107863087A (en) * | 2016-09-22 | 2018-03-30 | 青岛海信电器股份有限公司 | A kind of display system and its display methods |
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| CN201657135U (en) * | 2009-10-30 | 2010-11-24 | 上海交通投资信息科技有限公司 | Multipath remote monitoring video matrix server |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539901A (en) * | 2014-12-24 | 2015-04-22 | 上海伟视清数字技术有限公司 | Decoding display control system and method |
| CN105825776A (en) * | 2016-05-30 | 2016-08-03 | 河南通达多媒体制作有限公司 | Control system for LED display screen splicing |
| CN105913768A (en) * | 2016-05-30 | 2016-08-31 | 河南通达多媒体制作有限公司 | LED display screen splicing process |
| CN105955690A (en) * | 2016-06-07 | 2016-09-21 | 武汉烽火众智数字技术有限责任公司 | Multi-screen switching device and method of computer |
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| CN107863087A (en) * | 2016-09-22 | 2018-03-30 | 青岛海信电器股份有限公司 | A kind of display system and its display methods |
| CN107863087B (en) * | 2016-09-22 | 2019-12-31 | 青岛海信电器股份有限公司 | Display system and display method thereof |
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Application publication date: 20130911 |