CN102790876A - Embedded-type multi-functional video integral machine based on Hi3515 processor - Google Patents
Embedded-type multi-functional video integral machine based on Hi3515 processor Download PDFInfo
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- CN102790876A CN102790876A CN2012102866688A CN201210286668A CN102790876A CN 102790876 A CN102790876 A CN 102790876A CN 2012102866688 A CN2012102866688 A CN 2012102866688A CN 201210286668 A CN201210286668 A CN 201210286668A CN 102790876 A CN102790876 A CN 102790876A
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Abstract
The invention discloses an embedded-type multi-functional video integral machine based on a processor Hi3515. The machine comprises an analog encoding panel, a digital encoding panel, a retransmission server panel, a display panel, an intelligent total control panel, an analog amount acquisition panel, an entrance panel, an exit panel and a serial port panel; the analog amount acquisition panel, the entrance panel, the exit panel and the serial port panel are connected with the intelligent total control panel through a RS485 bus; and the retransmission server panel is connected with the analog encoding panel, the digital encoding panel, the display panel and the intelligent total control panel through a network bus. According to the embedded-type multi-functional video integral machine based on the processor Hi3515, an omnidirectional video monitoring for a converting station is realized, functions of multiple information access and linkage output are provided, and advantages of high stability, low workload on maintenance and the like are realized.
Description
Technical field
The present invention relates to a kind of embedded type multifunctional video all-in-one based on the Hi3515 processor.
Background technology
Along with improving constantly of Automation of Electric Systems level; For raising labour productivity; Enhance the competitiveness; A large amount of patterns that adopt unattended operation or few man on duty in the usual production process of transformer station, and for the such place of transformer station, video monitoring system long-range, real-time, multidimensional is the essential condition of substation safety running.The embedded video coding and decoding device becomes the development trend of video monitoring system with its reliability height, clear picture, advantage such as speed is fast, the low cutting property of cost is strong, and it mainly acts on is that vedio data to gathering compresses and transmits.
The implementation of embedded video coding and decoding device commonly used has following two kinds at present: (1) video capture processor+dsp processor.This scheme is accomplished compression, storage and the Network Transmission of image by the preliminary treatment of video capture processor completion image by DSP.Because DSP does not have operating system usually, so the dumb and function singleness of its control mode, the powerful function that system controls and the user operates can not be provided; (2) video capture processor+image compression chip+flush bonding processor.This conceptual design is complicated, and poor stability and cost are higher.In addition, present embedded video coding and decoding device can only insert analog video camera mostly, also can't realize the access of IP video camera.
Summary of the invention
The present invention is the weak point that exists in the above-mentioned prior art for avoiding, and a kind of embedded type multifunctional video all-in-one based on the Hi3515 processor is provided, and thinks that transformer station provides omnibearing video monitoring, and multiple information inserts and the interlock output function.
The present invention adopts following technical scheme for the technical solution problem.
A kind of embedded type multifunctional video all-in-one based on the Hi3515 processor, its design feature are to comprise analog encoding plate, digital coding plate, forwarding server plate, display panel, the total control of intelligence plate, analog acquisition plate, open entering plate, leave plate and serial ports plate; Said analog acquisition plate, open entering plate, leave plate and all always control plate with the serial ports plate and be connected through RS485 bus and said intelligence; Said forwarding server plate is connected with said analog encoding plate, digital coding plate, display panel and the total control of intelligence plate through network-bus.Forwarding server plate, analog encoding plate, digital coding plate, display panel and the total control of intelligence plate can be realized interconnected between each integrated circuit board.
The design feature of a kind of embedded type multifunctional video all-in-one based on the Hi3515 processor of the present invention also is:
Said analog encoding plate, digital coding plate, forwarding server plate, display panel and the total control of intelligence plate all adopt video special chip Hi3515 as host processor chip.Said analog encoding plate; Be connected through network-bus between digital coding plate, forwarding server plate, display panel and the total control of the intelligence plate, realize interconnection through network-bus between promptly said analog encoding plate, digital coding plate, forwarding server plate, display panel and the total control of the intelligence plate.
Compared with present technology, beneficial effect of the present invention is embodied in:
Video all-in-one of the present invention; Adopt the design of modularization and independent integrated circuit board; The analog encoding plate, digital coding plate, forwarding server plate, display panel, the total control of intelligence plate all adopt video special chip Hi3515 as host processor chip, with built-in Linux as operating system.The analog encoding plate carries out video acquisition, accomplishes the conversion of analog video to digital video, and possesses storage and forwarding capability; The digital coding plate is directly gathered the digital video information that compressed and is stored and transmit; The forwarding server plate receives the external user order and realizes the browsing of video, playback and relative parameters setting; Display panel realizes that the browsing of video information, playback and parameter are provided with etc. graphical interface of user; The total control of intelligence is firm and hard opens entering plate at present to the analog acquisition plate, leaves plate, and functions such as alarm input, interlock output, Yun Jing control, analog acquisition are accomplished in the information gathering of serial ports plate, forwarding and control.Video all-in-one of the present invention; Possess open into, leave, the analog signals acquisition function; Not only can insert analog video camera and also can insert the IP video camera, have powerful coding and decoding video, storage and transmittability, provide the multiple information of transformer station to insert and the interlock output function; Can be transformer station comprehensive video monitoring is provided, multiple information inserts and the interlock output function.
1) the present invention adopts the video application specific processor, and hardware designs is simple, and software processes efficient is high, and total system has very high stability.
2) the present invention adopts built-in Linux operating system, has avoided viral interference, has reduced staff's maintenance workload.
3) the present invention through the analog acquisition plate, open entering plate, leave plate and can insert subsystems such as transformer station's dynamic environment, fire alarm, illumination, realize the interconnection and interflow between each subsystem, realize information sharing and intelligent linkage.
4) the present invention has not only realized encoding and decoding, video recording storage and the transmission of video, also can insert each subsystem of transformer station's security protection, and the function height is integrated, has realized miniaturization, generalization and intelligentized target.
5) adopt network-bus communication between the inner main integrated circuit board of the present invention, message transmission is stable, efficient.
6) the present invention possesses the IEC61850 communication function, can insert the data acquisition monitoring backstage of intelligent substation.
7) the present invention meets the interface B protocol specification of regulation in State Grid Corporation of China's company standard " electrical network video monitoring system and interface part 1: specification requirement ", can insert the video unified platform of national grid net company.
A kind of embedded type multifunctional video all-in-one based on the Hi3515 processor of the present invention can be transformer station comprehensive video monitoring is provided, and has advantages such as multiple information inserts and the interlock output function, and stable height and maintenance workload are low.
Description of drawings
Fig. 1 is the structured flowchart of a kind of embedded type multifunctional video all-in-one based on the Hi3515 processor of the present invention.
Fig. 2 is a kind of operational version structure chart that adopts the Hi3515 processor based on the embedded type multifunctional video all-in-one of Hi3515 processor of the present invention.
Fig. 3 is the schematic rear view of a kind of embedded type multifunctional video all-in-one based on the Hi3515 processor of the present invention.
Below pass through embodiment, and combine accompanying drawing that the present invention is described further.
Embodiment
Referring to Fig. 1, a kind of embedded type multifunctional video all-in-one based on the Hi3515 processor comprises analog encoding plate, digital coding plate, forwarding server plate, display panel, the total control of intelligence plate, analog acquisition plate, opens entering plate, leaves plate and serial ports plate; Said analog acquisition plate, open entering plate, leave plate and all always control plate with the serial ports plate and be connected through RS485 bus and said intelligence; Said forwarding server plate is connected with said analog encoding plate, digital coding plate, display panel and the total control of intelligence plate through network-bus.Always realize interconnection through network between said forwarding server plate and said analog encoding plate, digital coding plate, display panel and the total control of the intelligence plate.
Said analog encoding plate; Digital coding plate, forwarding server plate, display panel and the total control of intelligence plate all adopt video special chip Hi3515 as host processor chip, are connected through network-bus between said analog encoding plate, digital coding plate, forwarding server plate, display panel and the total control of the intelligence plate.
Video all-in-one of the present invention adopts modularized design, analog encoding plate, digital coding plate, forwarding server plate, display panel, the total control of intelligence plate, analog acquisition plate, opens entering plate, leaves plate and the serial ports plate is separate module.
Analog encoding plate wherein, digital coding plate, forwarding server plate, display panel, the total control of intelligence plate all adopt video special chip Hi3515 as host processor chip, adopt built-in Linux operating system, realize the interconnection between each plate through the internal network bus.Every kind of integrated circuit board is according to the difference of functional localization, the operational version of Hi3515 done accordingly cut out.The total control of intelligence plate with the analog acquisition plate, open entering plate, leave plate, be connected through 485 buses between the serial ports plate.
Said analog encoding plate can be accomplished collection, encoding compression and the video recording storage of 4 road analog audio-video signals simultaneously, possesses network interface at a high speed, receives the video call instruction of said forwarding server plate or said display panel, realizes the real-time Transmission of video data;
Said digital coding plate is gathered the audio-video signal that process IP video camera digital translation and encoding compression are crossed;
Said forwarding server plate internally is communicated with said analog encoding plate, digital coding plate, display panel and the total control of intelligence plate through network-bus; Externally mutual through Ethernet and client, possess functions such as real-time video is browsed, playing back videos, system parameter setting, history alarm inquiry, daily record control; Said forwarding server plate meets the interface B protocol specification of regulation in State Grid Corporation of China's company standard " electrical network video monitoring system and interface part 1: specification requirement ", can insert the video unified platform of national grid;
When the user browses real-time video or request playing back videos through client, said forwarding server plate will be given said analog encoding plate or digital coding plate through the network-bus transmitting control commands, obtain video data, response user's demand; When the user rotated through client control cloud mirror, said forwarding server plate will be transmitted this ordered said intelligence always to control plate, always controlled plate control serial ports plate by said intelligence and accomplished this action; When the user inquiring system state, said forwarding server plate will be transmitted this orders said intelligence always to control plate, always controls plate to said analog acquisition plate by said intelligence, opens into template and obtains information, and make response; When said analog acquisition plate or said when opening entering plate warning information being arranged; Said intelligence is always controlled plate will give said forwarding server plate through sending warning information on the network-bus; Said forwarding server plate need to judge whether interlock to leave; Then send order like needs and always control plate for said intelligence, carry out action through the said plate of leaving;
Said display panel is the front panel of device, and the user-operable button is browsed functions such as the parameter setting of video, Yun Jing etc. and system mode inquiry LCD screen realization video; When the user passes through the button requirement video demonstration of said display panel, said display panel will obtain video information from said analog or digital encoding board and show; When setting parameter such as video, Yun Jing through said display panel as the user, said display panel will be preserved setting, and the modification of parameter is sent to said forwarding server plate through network-bus keep synchronous;
Said intelligence is always controlled the external interface ability that plate utilizes Hi3515, realizes to said analog acquisition plate said information gathering, forwarding and control of opening interface integrated circuit boards such as entering plate and said serial ports plate.Through these interface boards; Said intelligence is always controlled the subsystems such as dynamic environment, fire alarm, illumination, air-conditioning, SF6 monitoring, gate inhibition's control and burglar alarm that plate can insert transformer station; Realize between each subsystem and with the interconnection and interflow of complex automatic system; The interlock output between each sub-systems be can accomplish through the said plate of leaving, information sharing, intelligent linkage, pattern recognition and intelligent decision realized; Through said serial ports plate, can realize rotation control to camera pan-tilt; The total control of intelligence plate possesses the IEC61850 communication function, and the data acquisition monitoring backstage that can be intelligent substation provides the related data of each sub-systems.
Every block of analog encoding plate can connect 4 analog video cameras, and this device can be equipped with 6 blocks of analog encoding plates, therefore has 24 road analog video signal acquisition channels.Every block digital coding plate can connect 8 road IP video cameras, and this installs configurable 2 block digital coding plates, can gather 16 way word vision signals simultaneously.The forwarding server plate externally connects the client-side program that supplies user's operation through network, and the order that the reception client issues also responds, and preserves the relevant configuration information that client-side program is done in addition.The total control of intelligence plate is responsible for the information that receives and transmit the analog acquisition plate, open entering plate, and plate and serial ports plate are left in control.The serial ports plate mainly is responsible for connecting the The Cloud Terrace of camera, the rotation of control The Cloud Terrace.
Like Fig. 2; The analog encoding plate, digital coding plate, forwarding server plate, display panel, the total control of intelligence plate all adopt Hi3515 as host processor chip, with built-in Linux as operating system; More than each integrated circuit board according to the difference of functional localization, the operational version of Hi3515 is cut out.On software design, make full use of the SDK kit that Hi3515 provides, accelerate the construction cycle.
The Hi3515 chip is a high-performance based on ARM9 processor cores and vision hardware accelerating engine, high integrated communication medium processor.ARM9 handles frequency and reaches 400MHz, and DDR2 sdram interface frequency reaches 200MHz, and sufficient data processing bandwidth can be provided.H.264 this processor has and encoding and decoding of MJPEG multi-protocols and dual code stream code capacity, can satisfy 4 road best D1 or the DVR/DVS solution function of 8 road CIF, and have the rich video input/output interface.
Hi3515 also possesses 2 SATA hard disk Peripheral Interfaces, makes things convenient for the storage of video data; High performance network interface also is provided simultaneously, and external PHY chip can realize and outside network service, and also integrated in addition interfaces such as UART, USB, SPI, SDIO conveniently satisfy the interface requirements of embedded device, have simplified hardware designs.
Referring to Fig. 1, analog encoding plate in the instance of the present invention connects through the internal network bus between digital coding plate, forwarding server plate, display panel, the total control of the intelligence plate.Intelligence total control plate and analog acquisition plate are opened entering plate, leave plate, connect through 485 buses between the serial ports plate.
Said analog encoding plate is through the external analog video camera of video access interface; Obtain analog video signal; Convert analogue video signal into digital signal through the video modulus conversion chip then; Give the Hi3515 processor again and carry out video compression, Hi3515 will compress good video record information stores in the SATA hard disk.
The Hi3515 processor utilizes DDR2 to do internal memory, and is program code stored in FLASH.In addition, receive the video call instruction and the output video information of forwarding server plate or display panel through the network interface of PHY chip.The analog encoding plate does not have external Presentation Function, so the demonstration of rear end output control and LED display be not in the design of this plate.
The enforcement of said digital coding plate is close with the analog encoding plate, the video camera that difference only is front end and is connect.The digital coding plate is through the external IP video camera of network interface, and itself just has analog-to-digital conversion and video compression functionality the IP video camera, so its output directly is exactly the digital video signal that compressed, and need not video analog-to-digital conversion and compression.
Said forwarding server plate internally is communicated with analog encoding plate, digital coding plate, display panel and the total control of intelligence plate through network; Externally mutual through network and client-side program, possess functions such as real-time video is browsed, playing back videos, parameter setting, alarm inquiry, daily record control.In addition, the forwarding server plate also possesses external video B interface function, can insert the video unified platform of national grid.
Said display panel is positioned at the front of device, adopts the technological graphical display that realizes relevant informations such as video, configuration of graphical user interface function library GTK under the linux system.The user-operable button is realized the functions such as parameter setting and system mode inquiry of the browsing of video, video, Yun Jing etc. at LCD screen.When the button of user through display panel comes the requirement video to show, display panel will obtain video information from encoding board and show; When setting parameter such as video, Yun Jing through display panel as the user, display panel will be preserved setting, and the modification of parameter is sent to the forwarding server plate through network keep synchronous.
Said intelligence is always controlled the external interface ability of plate by Hi3515; Through the analog acquisition plate; Open the subsystems such as dynamic environment, fire alarm, illumination, air-conditioning, SF6 monitoring, gate inhibition's control and burglar alarm that entering plate inserts transformer station; Realize between each subsystem and with the interconnecting of complex automatic system, can accomplish the interlock between each sub-systems through leaving plate, realize information sharing, intelligent linkage, pattern recognition and intelligent decision.In addition, through the serial ports plate, can realize rotation control to camera pan-tilt.The total control of intelligence plate also possesses the IEC61850 communication function, and the related data of each sub-systems can be provided for the data acquisition monitoring backstage of intelligent substation.
Video all-in-one of the present invention; Possess open into, leave, the analog signals acquisition function; Not only can insert analog video camera and also can insert the IP video camera, have powerful coding and decoding video, storage and transmittability, provide the multiple information of transformer station to insert and the interlock output function.
Claims (2)
1. the embedded type multifunctional video all-in-one based on the Hi3515 processor is characterized in that, comprises analog encoding plate, digital coding plate, forwarding server plate, display panel, the total control of intelligence plate, analog acquisition plate, opens entering plate, leaves plate and serial ports plate; Said analog acquisition plate, open entering plate, leave plate and all always control plate with the serial ports plate and be connected through RS485 bus and said intelligence; Said forwarding server plate is connected with said analog encoding plate, digital coding plate, display panel and the total control of intelligence plate through network-bus.
2. a kind of embedded type multifunctional video all-in-one according to claim 1 based on the Hi3515 processor; It is characterized in that; Said analog encoding plate; Digital coding plate, forwarding server plate, display panel and the total control of intelligence plate all adopt video special chip Hi3515 as host processor chip, and said analog encoding plate interconnects through network-bus between digital coding plate, forwarding server plate, display panel and the total control of the intelligence plate.
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| CN2012102866688A CN102790876A (en) | 2012-08-13 | 2012-08-13 | Embedded-type multi-functional video integral machine based on Hi3515 processor |
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| CN2012102866688A CN102790876A (en) | 2012-08-13 | 2012-08-13 | Embedded-type multi-functional video integral machine based on Hi3515 processor |
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| CN111063151A (en) * | 2019-12-10 | 2020-04-24 | 上海防灾救灾研究所 | Fire fighting system based on Internet of things and method thereof |
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Application publication date: 20121121 |