CN102630000A - Eight-path SDI (Serial Digital Interface) embedded digital video recorder - Google Patents
Eight-path SDI (Serial Digital Interface) embedded digital video recorder Download PDFInfo
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- CN102630000A CN102630000A CN201210113209XA CN201210113209A CN102630000A CN 102630000 A CN102630000 A CN 102630000A CN 201210113209X A CN201210113209X A CN 201210113209XA CN 201210113209 A CN201210113209 A CN 201210113209A CN 102630000 A CN102630000 A CN 102630000A
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Abstract
The invention relates to an eight-path SDI (Serial Digital Interface) embedded digital video recorder. The eight-path SDI embedded digital video recorder comprises a main board, a rear panel, a power adapter, a front panel and an external device, wherein the main board comprises a main CPU (Central Processing Unit) element, two slave CPU elements, a storage unit, an AD (Analog-to-Digital) unit, a Power unit, a network element and a function unit; a HDMI (High-Definition Multimedia Interface) unit is arranged in the function unit; when video signals are input, the analog-to-digital conversion is carried out on the video signals through the AD unit, the slave CUP elements simultaneously code audio signals subjected to the analog-to-digital conversion of the AD unit and the video signals which are unstrung by an unstringing chip; coded data is sequentially transmitted to the main CPU element; and the main CPU element is mainly used for carrying out network transmission, previewing playback and signal processing related to the function unit, thereby the main CPU unit and the slave CPU units coordinate in a labor division manner so as to accelerate the operation speed. The eight-path SDI embedded digital video recorder has the advantages of high definition, intellectualization, high integration density, high reliability, high efficient monitoring and low cost.
Description
Technical field
The present invention relates to the technical field of video monitoring; Be a kind ofly to form from CPU element with two specifically by main CPU unit; Each CPU element is shared out the work and helped one another to accelerate the speed of service, 8 road SDI embedded hard disc video tape recorders with high Qinghua, intellectuality, high integration, low-cost characteristics.
Background technology
Along with society is constantly progressive; Rapid economic development and rapid technological improvement; Public order safety, production safety, property safety etc. more and more receive people's attention, are that the surveillance video of characteristic is applied to all trades and professions more widely thereby make with the video information.Surveillance video equipment in the market is divided into conventional analogue video cassette recorder and digital video recorder, and the conventional analogue video cassette recorder is because problem such as resolution low, monitoring efficiency is low, response speed is slow, cost height and being replaced by digital video recorder gradually.Digital video recorder is divided into PC formula DVR and network hard disk video recorder.PC formula DVR is based on conventional P C machine and is equipped with the video tape recorder that various integrated circuit board is built again; The system of this card insert type is easy to occur insecure problem in system's assembling, maintenance, transportation; Can not be used for industrial control field, only be suitable for the commercial working environment not high reliability requirement.Network hard disk video recorder is application-centered; Software and hardware can be reduced; Miniature dedicated computer system to strict demands such as function, reliability, cost, volume, power consumptions; Have characteristics such as software code is little, increasingly automated, response speed is fast, be particularly suitable for requiring in real time and the application of multitask.
In common house life; The also increasing shadow that security product occurs, they not only make people's house life safer, also make furniture become more " clever " simultaneously; In the family expenses security protection; DVR DVR technology can realize many covers dwelling house is realized implementing monitoring management simultaneously, when potential safety hazard occurring, can carry out burglar alarm work with other security protection equipment cooperations, and on its intelligent Application; DVR can help people to monitor the operating position of water in the family, electricity and coal gas whenever and wherever possible, perhaps in time grasps the old man children in different local lives and healthy situation.
But Along with people's is to the progressively improve of monitoring demand; For whole safety monitoring industry; High definition image quality, high integration, intellectuality and low cost always are that awaits a urgent difficult problem that solves, and solve the breakthrough that these difficult problems depend on technology such as video acquisition, coding and decoding video.At present; DVR DVR product on the market is the SD product all, has problems, and is fuzzy like image quality, integrated level is low; People and machine lack interactive; Monitoring efficiency is low, response speed is slow, the waste Internet resources, system reliability is low, cost is high, can not satisfy the high high definition demand of People more and more.
Summary of the invention
The technical problem that the present invention will solve provides a kind ofly to be made up of from CPU element with two main CPU unit, and each CPU element is shared out the work and helped one another with the quickening speed of service, 8 road SDI embedded hard disc video tape recorders with high Qinghua, intellectuality, high integration, low-cost characteristics.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is:
8 road SDI embedded hard disc video tape recorders of the present invention; Comprise: mainboard, rear board, power supply adaptor, front panel, external device, remote controller and casing; The analog video signal that is collected by external device is transferred to rear board, transfers to mainboard through rear board again, and vision signal reaches hard disk after via the mainboard conversion process and carries out hard address book stored; Front panel is connected with mainboard; Power supply adaptor is rear board, mainboard and front panel power supply simultaneously, remote operation DVR, and cabinet is used for fixing mainboard, front panel and rear board; Above-mentioned mainboard comprises: main CPU unit, two be from CPU element, memory cell, AD unit, Power unit, NE and functional unit; Main CPU unit be connected from CPU element; And main CPU unit is connected with the AD unit with each self-corresponding memory cell respectively from CPU element with two; Each all links to each other with the SDI video camera through the chip that unstrings from CPU element; Simultaneously to the encoding video signal after unstringing through the audio signal after the AD unit analog-to-digital conversion with through the chip that unstrings, NE is connected with main CPU unit with functional unit from CPU element, and the Power unit is the work power supply of above-mentioned each unit.
The present invention can also adopt following technical measures:
Also comprise in the described functional unit: HDMI unit, Unit 485, SATA unit, alarm unit, USB unit.
Above-mentioned HDMI unit comprises HDMI high definition electronic display interface.
Above-mentioned NE carries out exchanges data through switch and local area network (LAN) LAN and industrial computer IPC.
Main CPU unit also is connected with display device LCD TV.
Advantage and good effect that the present invention has are:
In 8 road SDI embedded hard disc video tape recorders of the present invention; Mainboard comprises: main CPU unit, two are from CPU element, memory cell, AD unit, Power unit, NE and functional unit; In functional unit, comprise the HDMI unit again; When vision signal is imported, carry out analog-to-digital conversion via AD, the encoding video signal after unstringing to the audio signal after the process AD unit analog-to-digital conversion with through the chip that unstrings simultaneously from CPU element; Data behind the coding are transferred to main CPU unit successively; And main CPU unit is mainly carried out Network Transmission, signal processing that preview playback is relevant with functional unit, and share out the work and help one another the master-slave cpu unit like this, to accelerate the speed of service.8 road SDI embedded hard disc video tape recorders of the present invention are supported the input of 16 road D1 simulation SD, the input of 8 way word 1080P networks and the output of HDMI HD video, can carry out 4 picture playbacks.Memory property and stability are optimized greatly; Support the 3T hard disk, satisfy 16 road 1080P 128mbps writing speed of recording a video simultaneously, the hard disk corruptions subregion jumps to available partition automatically; Guarantee to record a video and do not lose; Vision signal is carried out AD conversion, coding and decoding video processing, live preview, Network Transmission etc. via mainboard and is finally reached the SATA hard disk and carry out hard address book stored, and when abnormal conditions (like video breaks) took place, then signal reached mainboard and handles; Trigger warning through motherboard circuit, thereby realize high Qinghua, intellectuality, high integration, high reliability, efficiently monitoring and low-cost.
Description of drawings
Fig. 1 is the structural representation of 8 road SDI embedded hard disc video tape recorders of the present invention;
Fig. 2 is the structural representation of mainboard in 8 road SDI embedded hard disc video tape recorders of the present invention.
Embodiment
Followingly the present invention is carried out detailed explanation with reference to accompanying drawing and embodiment.
Fig. 1 is the structural representation of 8 road SDI embedded hard disc video tape recorders of the present invention; Fig. 2 is the structural representation of mainboard in 8 road SDI embedded hard disc video tape recorders of the present invention.
Extremely shown in Figure 2 like Fig. 1; 8 road SDI embedded hard disc video tape recorders of the present invention comprise: mainboard, rear board, power supply adaptor, front panel, external device, remote controller and casing, and the analog video signal that is collected by external device is transferred to rear board; Transfer to mainboard through rear board again; Vision signal reaches hard disk after via the mainboard conversion process and carries out hard address book stored, and front panel is connected with mainboard, and power supply adaptor is rear board, mainboard and front panel power supply simultaneously; Remote operation DVR; Cabinet is used for fixing mainboard, front panel and rear board, and above-mentioned mainboard comprises: main CPU unit, two be from CPU element, memory cell, AD unit, Power unit, NE and functional unit; Main CPU unit be connected from CPU element; And main CPU unit is connected with the AD unit with each self-corresponding memory cell respectively from CPU element with two; Each all links to each other with the SDI video camera through the chip that unstrings from CPU element; Simultaneously to the encoding video signal after unstringing through the audio signal after the AD unit analog-to-digital conversion with through the chip that unstrings, NE is connected with main CPU unit with functional unit from CPU element, and the Power unit is the work power supply of above-mentioned each unit.Wherein mainboard is responsible for coding and decoding video, video recording, playback and the supervision of whole DVR; Front panel indicates the work of whole DVR and alarm status, realization to monitor by key control, switching on and shutting down control, Host Status, and rear board connects outside 8 road HD-SDI videos input, the input of 8 road audio frequency, the output of 1 road BNC video and 1 road BNC audio frequency and exports.When vision signal is imported; Carry out analog-to-digital conversion via AD; Each simultaneously to the encoding video signal after unstringing through the audio signal after the AD unit analog-to-digital conversion that connects separately with through the chip that unstrings, successively transfers to main CPU unit with the data behind the coding from CPU element, and main CPU unit is mainly carried out Network Transmission, signal processing that preview playback is relevant with functional unit; Share out the work and help one another the master-slave cpu unit like this, to accelerate the speed of service.
Also comprise in the functional unit: HDMI unit, Unit 485, SATA unit, alarm unit, USB unit.The HDMI unit comprises HDMI high definition electronic display interface.
NE carries out exchanges data through switch and local area network (LAN) LAN and industrial computer IPC.
Main CPU unit also is connected with display device LCD TV.
8 road SDI embedded hard disc video tape recorders of the present invention are supported the input of 16 road D1 simulation SD, the input of 8 way word 1080P networks, the SDI input of 8 way word 1080P30FPC, the output of HDMI high definition.Memory property and stability are optimized greatly, support the 3T hard disk, satisfy 16 road 1080P 128mbps writing speed of recording a video simultaneously, and the hard disk corruptions subregion jumps to available partition automatically, guarantee that video recording do not lose.Can 4 picture playbacks; Free by the user according to hardware performance 1-4 picture playback, multichannel synchronized playback position error was less than 1 second, and audio/video synchronous error was less than 0.5 second; The Network Video Transmission time-delay is lower than 500ms; Have multi-lingual support (simplified form of Chinese Character, Chinese-traditional, Korean, English, Spanish, Italian), with English, other languages provide the language upgrade bag to switch in the standard edition support letter.Automatic inverse function is supported in the character stack, and the user can be provided with traditional mode and inverse pattern.Under the environment of appointment, in 7x24 hour, equipment is not restarted, and video recording is not lost, and preview is the flower screen not, and alert service is normal, Network Video Transmission is not interrupted.
Mainboard mainly is responsible for real-time monitoring, video recording, Network Transmission, warning, cradle head control, password authorization, operating schedule (unattended operation) etc.Main CPU unit is a high-end SOC chip of a specialty to multichannel D1 and multi-path high-definition DVR, the application and development of NVR product with think the encoding and decoding processor from sea that CPU element adopted; Dispose 4 3G internal memories and 4 2GDDR internal memories; But the access mass data, the speed of service is fast, system stability, and memory property and stability product more in the past all have bigger optimization; Support the 3T hard disk; Satisfy 16 road 1080P 128mbps writing speed of recording a video simultaneously, the hard disk corruptions subregion jumps to available partition automatically, guarantees that video recording do not lose.The HDMI high definition electronic display interface that the HDMI unit is corresponding is supported HDMI high definition output interface, can export the picture of 1080P resolution, and HDMI adopts the protection chip of CMD to build protective circuit, makes the operation of HDMI high speed signal obtain more reliable guarantee.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention is with preferred embodiment openly as above, yet, be not in order to limit the present invention; Anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention, can utilize the technology contents of announcement to make a little change or modification certainly; Become the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (5)
1. SDI embedded hard disc video tape recorder; Comprise: mainboard, rear board, power supply adaptor, front panel, external device, remote controller and casing; The analog video signal that is collected by external device is transferred to rear board, transfers to mainboard through rear board again, and vision signal reaches hard disk after via the mainboard conversion process and carries out hard address book stored; Front panel is connected with mainboard; Power supply adaptor is rear board, mainboard and front panel power supply simultaneously, remote operation DVR, and cabinet is used for fixing mainboard, front panel and rear board; It is characterized in that: above-mentioned mainboard comprises: main CPU unit, two be from CPU element, memory cell, AD unit, Power unit, NE and functional unit; Main CPU unit be connected from CPU element; And main CPU unit is connected with the AD unit with each self-corresponding memory cell respectively from CPU element with two; Each all links to each other with the SDI video camera through the chip that unstrings from CPU element; Simultaneously to the encoding video signal after unstringing through the audio signal after the AD unit analog-to-digital conversion with through the chip that unstrings, NE is connected with main CPU unit with functional unit from CPU element, and the Power unit is the work power supply of above-mentioned each unit.
2. 8 road SDI embedded hard disc video tape recorders according to claim 1 is characterized in that: also comprise in the functional unit: HDMI unit, Unit 485, SATA unit, alarm unit, USB unit.
3. 8 road SDI embedded hard disc video tape recorders according to claim 2 is characterized in that: above-mentioned HDMI unit comprises HDMI high definition electronic display interface.
4. according to claim 2 or 3 described 8 road SDI embedded hard disc video tape recorders, it is characterized in that: above-mentioned NE carries out exchanges data through switch and local area network (LAN) LAN and industrial computer IPC.
5. 8 road SDI embedded hard disc video tape recorders according to claim 4 is characterized in that: main CPU unit also is connected with display device LCD TV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210113209.XA CN102630000B (en) | 2012-04-18 | 2012-04-18 | Eight-path SDI (Serial Digital Interface) embedded digital video recorder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210113209.XA CN102630000B (en) | 2012-04-18 | 2012-04-18 | Eight-path SDI (Serial Digital Interface) embedded digital video recorder |
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| CN102630000A true CN102630000A (en) | 2012-08-08 |
| CN102630000B CN102630000B (en) | 2014-04-16 |
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Cited By (6)
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| CN102883110A (en) * | 2012-09-19 | 2013-01-16 | 旗瀚科技有限公司 | Video signal switching matrix system and system main board and service daughter board thereof |
| CN103841346A (en) * | 2012-11-26 | 2014-06-04 | 三星泰科威株式会社 | Digital video recorder |
| CN104010152A (en) * | 2014-05-28 | 2014-08-27 | 广州海昇计算机科技有限公司 | High-definition VPR integrated machine |
| CN106713802A (en) * | 2017-02-24 | 2017-05-24 | 广州威普数码科技有限公司 | Hybrid hard disk video recorder |
| CN110399327A (en) * | 2018-04-24 | 2019-11-01 | 厦门雅迅网络股份有限公司 | A kind of multi -CPU shares the method and system of single hard disk |
| WO2022011989A1 (en) * | 2020-07-16 | 2022-01-20 | 威创集团股份有限公司 | Video coding system |
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Patent Citations (4)
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883110A (en) * | 2012-09-19 | 2013-01-16 | 旗瀚科技有限公司 | Video signal switching matrix system and system main board and service daughter board thereof |
| CN103841346A (en) * | 2012-11-26 | 2014-06-04 | 三星泰科威株式会社 | Digital video recorder |
| CN104010152A (en) * | 2014-05-28 | 2014-08-27 | 广州海昇计算机科技有限公司 | High-definition VPR integrated machine |
| CN104010152B (en) * | 2014-05-28 | 2017-05-03 | 广州海昇计算机科技有限公司 | High-definition VPR integrated machine |
| CN106713802A (en) * | 2017-02-24 | 2017-05-24 | 广州威普数码科技有限公司 | Hybrid hard disk video recorder |
| CN110399327A (en) * | 2018-04-24 | 2019-11-01 | 厦门雅迅网络股份有限公司 | A kind of multi -CPU shares the method and system of single hard disk |
| WO2022011989A1 (en) * | 2020-07-16 | 2022-01-20 | 威创集团股份有限公司 | Video coding system |
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| CN102630000B (en) | 2014-04-16 |
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Granted publication date: 20140416 Termination date: 20170418 |