CN102630000B - 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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- CN102630000B CN102630000B CN201210113209.XA CN201210113209A CN102630000B CN 102630000 B CN102630000 B CN 102630000B CN 201210113209 A CN201210113209 A CN 201210113209A CN 102630000 B CN102630000 B CN 102630000B
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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, a kind of by main CPU unit with two form from CPU element specifically, each CPU element shares out the work and helps one another to accelerate the speed of service, has 8 road SDI built-in hard disk video tape recorders of high Qinghua, intellectuality, high integration, low-cost feature.
Background technology
Along with society is constantly progressive, rapid economic development and rapid technological improvement, public order safety, production safety, property safety etc. are more and more subject to people's attention, thereby make to take the surveillance video that video information is feature to be applied to more widely all trades and professions.Surveillance video equipment is in the market divided into traditional analog video video tape recorder and digital video recorder, traditional analog video video tape recorder because resolution is low, monitoring efficiency is low, response speed is slow, high in cost of production problem 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 to be equipped with based on conventional P C machine the video tape recorder that various boards are built again, the system of this card insert type is easy to occur insecure problem in system assembling, maintenance, transportation, can not, for industrial control field, be only suitable in the commercial working environment not high to reliability requirement.Network hard disk video recorder is application-centered, software and hardware can be reduced, the miniature dedicated computer system that function, reliability, cost, volume, power consumption etc. are strict with, there is the features such as software code is little, increasingly automated, fast response time, be particularly suitable for requiring in real time and the application of multitask.
In common house life, also more and more there is the shadow of security product, they not only make people's house life safer, also make furniture become more " clever " simultaneously, in domestic security, DVR DVR technology can realize many covers house is realized to implementing monitoring management simultaneously, when there is potential safety hazard, can cooperate with other security devices and carry out burglar alarm work, and in its intelligent Application, DVR can help people to monitor water in family whenever and wherever possible, the service condition of electricity and coal gas, or grasp in time old man children in different local lives and healthy situation.
But along with the progressively raising of people to monitoring demand, for whole safety monitoring industry, high definition image quality, high integration, intellectuality and low cost always are that awaits the urgent difficult problem solving, and solve the breakthrough that these difficult problems depend on the technology such as video acquisition, coding and decoding video.At present, DVR DVR product on market is all SD product, there are problems, as fuzzy in image quality, integrated level is low, human and computer lacks interactive, monitoring efficiency is low, response speed is slow, and waste Internet resources, system reliability is low, high in cost of production, can not meet the high definition demand that people are more and more higher.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of by main CPU unit with two form from CPU element, and each CPU element shares out the work and helps one another to accelerate the speed of service, has 8 road SDI built-in hard disk video tape recorders of high Qinghua, intellectuality, high integration, low-cost feature.
The technical scheme that the present invention takes for the technical problem existing in solution known technology is:
8 road SDI built-in hard disk 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 being collected by external device is transferred to rear board, by rear board, transfer to mainboard again, vision signal reaches hard disk after via mainboard conversion process and carries out hard address book stored, front panel is connected with mainboard, power supply adaptor is rear board simultaneously, mainboard and front panel power supply, remote controller straighforward operation DVR, cabinet is used for fixedly mainboard, front panel and rear board, above-mentioned mainboard comprises: main CPU unit, two from CPU element, memory cell, AD unit, Power unit, network element and functional unit, main CPU unit with from CPU element, be connected, and main CPU unit is connected with AD unit with each self-corresponding memory cell respectively from CPU element with two, each is connected with SDI video camera by the chip that unstrings from CPU element, encoding video signal after CPU element is unstringed to the audio signal after AD unit analog-to-digital conversion with by the chip that unstrings simultaneously, network element is connected with main CPU unit with functional unit, the work power supply that Power unit is above-mentioned each unit.
The present invention can also adopt following technical measures:
In described functional unit, also comprise: HDMI unit, Unit 485, SATA unit, alarm unit, USB unit.
Above-mentioned HDMI unit comprises HDMI high definition electronic display interface.
Above-mentioned network element is carried out exchanges data by switch and local area network (LAN) LAN and industrial computer IPC.
Main CPU unit is also connected with display device LCD TV.
Advantage and good effect that the present invention has are:
In 8 road SDI built-in hard disk video tape recorders of the present invention, mainboard comprises: main CPU unit, two from CPU element, memory cell, AD unit, Power unit, network element and functional unit, in functional unit, comprise again HDMI unit, when vision signal is inputted, via AD, carry out analog-to-digital conversion, encoding video signal after CPU element is unstringed to the audio signal after AD unit analog-to-digital conversion with by the chip that unstrings simultaneously, data after coding are transferred to main CPU unit successively, and main CPU unit is mainly carried out Internet Transmission, the signal that preview playback is relevant to functional unit is processed, share out the work and help one another master-slave cpu unit like this, to accelerate the speed of service.8 road SDI built-in hard disk video tape recorders of the present invention are supported 16 road D1 simulation SD inputs, 8 railway digital 1080P network inputs and the output of HDMI HD video, can carry out 4 picture playbacks.Memory property and stability are optimized greatly, support 3T hard disk, meet the 16 road 1080P 128mbps writing speed of simultaneously recording a video, 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 via mainboard, coding and decoding video is processed, live preview, Internet Transmissions etc. finally reach SATA hard disk and carry out hard address book stored, when having abnormal conditions (as video breaks) to occur, signal reaches mainboard and processes, by motherboard circuit trigger alarm, thereby realize high Qinghua, intelligent, high integration, high reliability, efficient monitoring and low-cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of 8 road SDI built-in hard disk video tape recorders of the present invention;
Fig. 2 is the structural representation of mainboard in 8 road SDI built-in hard disk video tape recorders of the present invention.
Embodiment
Referring to drawings and Examples, the present invention will be described in detail.
Fig. 1 is the structural representation of 8 road SDI built-in hard disk video tape recorders of the present invention; Fig. 2 is the structural representation of mainboard in 8 road SDI built-in hard disk video tape recorders of the present invention.
As shown in Figure 1 to Figure 2, 8 road SDI built-in hard disk 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 being collected by external device is transferred to rear board, by rear board, transfer to mainboard again, vision signal reaches hard disk after via mainboard conversion process and carries out hard address book stored, front panel is connected with mainboard, power supply adaptor is rear board simultaneously, mainboard and front panel power supply, remote controller straighforward operation DVR, cabinet is used for fixedly mainboard, front panel and rear board, above-mentioned mainboard comprises: main CPU unit, two from CPU element, memory cell, AD unit, Power unit, network element and functional unit, main CPU unit with from CPU element, be connected, and main CPU unit is connected with AD unit with each self-corresponding memory cell respectively from CPU element with two, each is connected with SDI video camera by the chip that unstrings from CPU element, encoding video signal after CPU element is unstringed to the audio signal after AD unit analog-to-digital conversion with by the chip that unstrings simultaneously, network element is connected with main CPU unit with functional unit, the work power supply that Power unit is 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 video inputs, 8 road audio frequency inputs, 1 road BNC video output and 1 road BNC audio frequency output.When vision signal is inputted, via AD, carry out analog-to-digital conversion, each is from the CPU element encoding video signal to the audio signal after the AD unit analog-to-digital conversion through connecting separately and after unstringing by the chip that unstrings simultaneously, data after coding are transferred to main CPU unit successively, and main CPU unit is mainly carried out the signal that Internet Transmission, preview playback are relevant to functional unit and is processed, share out the work and help one another master-slave cpu unit like this, to accelerate the speed of service.
In functional unit, also comprise: HDMI unit, Unit 485, SATA unit, alarm unit, USB unit.HDMI unit comprises HDMI high definition electronic display interface.
Network element is carried out exchanges data by switch and local area network (LAN) LAN and industrial computer IPC.
Main CPU unit is also connected with display device LCD TV.
8 road SDI built-in hard disk video tape recorders of the present invention are supported 16 road D1 simulation SD inputs, 8 railway digital 1080P network inputs, the SDI input of 8 railway digital 1080P@30FPC, the output of HDMI high definition.Memory property and stability are optimized greatly, support 3T hard disk, meet the 16 road 1080P 128mbps writing speed of simultaneously recording a video, and hard disk corruptions subregion jumps to available partition automatically, guarantee that video recording do not lose.Can 4 picture playbacks, free by user according to hardware performance 1-4 picture playback, Multi-path synchronous playback position error is less than 1 second, audio/video synchronous error is less than 0.5 second, Network Video Transmission time delay is lower than 500ms, have multi-language support (simplified form of Chinese Character, Chinese-traditional, Korean, English, Spanish, Italian), in standard edition support letter, with English, other languages provide language upgrade bag to switch.Automatic inverse function is supported in character stack, and user can arrange 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 flower screen not, and alert service is normal, Network Video Transmission is not interrupted.
Mainboard is mainly responsible for real-time monitoring, video recording, Internet Transmission, warning, cradle head control, password authorization, operating schedule (unattended operation) etc.It is a high-end SOC chip of a specialty for multichannel D1 and multi-path high-definition DVR, the application and development of NVR product that encoding and decoding processor is thought in main CPU unit and the sea that adopts from CPU element, configure 4 3G internal memories and 4 2GDDR internal memories, can access mass data, the speed of service is fast, system stability, memory property and stability more in the past product have larger optimization, support 3T hard disk, meet the 16 road 1080P 128mbps writing speed of simultaneously recording a video, hard disk corruptions subregion jumps to available partition automatically, guarantees to record a video not lose.The HDMI high definition electronic display interface that 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 ensureing more reliably.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention with preferred embodiment openly as above, yet, not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, certainly can utilize the technology contents of announcement to make a little change or modification, become the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (4)
1. a road SDI built-in hard disk video tape recorder, comprise: mainboard, rear board, power supply adaptor, front panel, external device, remote controller and casing, the analog video signal being collected by external device is transferred to rear board, by rear board, transfer to mainboard again, vision signal reaches hard disk after via mainboard conversion process and carries out hard address book stored, front panel is connected with mainboard, power supply adaptor is rear board simultaneously, mainboard and front panel power supply, remote controller straighforward operation DVR, cabinet is used for fixedly mainboard, front panel and rear board, it is characterized in that: above-mentioned mainboard comprises: main CPU unit, two from CPU element, memory cell, AD unit, Power unit, network element and comprise HDMI unit, Unit 485, SATA unit, alarm unit, the functional unit of USB unit, main CPU unit with from CPU element, be connected, and main CPU unit is connected with AD unit with each self-corresponding memory cell respectively from CPU element with two, each is connected with SDI video camera by the chip that unstrings from CPU element, encoding video signal after CPU element is unstringed to the audio signal after AD unit analog-to-digital conversion with by the chip that unstrings simultaneously, network element is connected with main CPU unit with the functional unit that comprises HDMI unit, Unit 485, SATA unit, alarm unit, USB unit, the work power supply that Power unit is above-mentioned each unit.
2. 8 road SDI built-in hard disk video tape recorders according to claim 1, is characterized in that: above-mentioned HDMI unit comprises HDMI high definition electronic display interface.
3. 8 road SDI built-in hard disk video tape recorders according to claim 1 and 2, is characterized in that: above-mentioned network element is carried out exchanges data by switch and local area network (LAN) LAN and industrial computer IPC.
4. 8 road SDI built-in hard disk video tape recorders according to claim 3, is characterized in that: main CPU unit is also connected with display device LCD TV.
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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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| 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 CN102630000A (en) | 2012-08-08 |
| CN102630000B true CN102630000B (en) | 2014-04-16 |
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Families Citing this family (6)
| 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 |
| KR20140067532A (en) * | 2012-11-26 | 2014-06-05 | 삼성테크윈 주식회사 | Digital video recorder |
| 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 |
| CN111757128B (en) * | 2020-07-16 | 2021-12-07 | 威创集团股份有限公司 | Video coding system |
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| CN2812444Y (en) * | 2005-04-19 | 2006-08-30 | 广州金鹏集团有限公司 | Video recorder with large-capacity embedded digital harddisk |
| CN1848186A (en) * | 2005-04-05 | 2006-10-18 | 北京国通创安信息技术有限公司 | Video-frequency networking monitoring alarm and video networking monitoring system |
| CN201374784Y (en) * | 2009-03-13 | 2009-12-30 | 深圳市泛海三江电子有限公司 | Eight-channel embedded type digital video recorder |
| CN202103755U (en) * | 2011-06-21 | 2012-01-04 | 上海银晨智能识别科技有限公司 | Intelligent digital high definition video camera |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1848186A (en) * | 2005-04-05 | 2006-10-18 | 北京国通创安信息技术有限公司 | Video-frequency networking monitoring alarm and video networking monitoring system |
| CN2812444Y (en) * | 2005-04-19 | 2006-08-30 | 广州金鹏集团有限公司 | Video recorder with large-capacity embedded digital harddisk |
| CN201374784Y (en) * | 2009-03-13 | 2009-12-30 | 深圳市泛海三江电子有限公司 | Eight-channel embedded type digital video recorder |
| CN202103755U (en) * | 2011-06-21 | 2012-01-04 | 上海银晨智能识别科技有限公司 | Intelligent digital high definition video camera |
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