CN103595956A - external network video standard safety access gateway in electric power system - Google Patents
external network video standard safety access gateway in electric power system Download PDFInfo
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Abstract
The invention relates to an external network video standard safety access gateway in an electric power system. The external network video standard safety access gateway in the electric power system comprises a unified electrical network video monitoring platform and is characterized by further comprising a video decoding server, a video coding server, a video control server and an individual isolation equipment, a user request of the unified electrical network video monitoring platform is received by the video control server, the user request is sent to video decoding equipment through the individual isolation equipment, decoding on data of external network video equipment is carried out by the video decoding equipment, coding is carried out by the video coding server, and the coded data is accessed to the unified electrical network video monitoring platform to realize a video monitoring function. The external network video standard safety access gateway in the electric power system can realize access of front-end equipment of an external network connection video monitoring system to achieve unified monitoring and unified management.
Description
Technical field
The outer net video monitoring system that the present invention relates to electric power system is linked into the device of Surveillance center's unified platform, particularly a kind of electric power system outer net video standard safe access gateway.
Background technology
Video monitoring system is as the auxiliary monitoring means of operation of power networks, maintenance, along with the encoding and decoding technique of video monitoring, the development of Intellectual Analysis Technology, transformer substation video plays more importantly effect at aspects such as realizing visual remote monitoring and operation, by video intelligent analysis, intelligent interlink ，Wei transformer station other system, provide video technique to support.By Intellectualized Video Monitoring means, for power grid visualization operation, visual control, emergency command provide service.Communication network is constantly towards broadband and IPization future development, and its main purpose is exactly in order to carry the multimedia real time business of IPization, especially fully supports high-quality video stream media business.The monitoring intelligent of power network video supervisory control system, wideband, integrated platform are the inexorable trends of future development.
Telecommunication system construction has video monitoring system, comprise urban road monitor, Important Sections, station, harbour, harbour, important unit etc., by networking with video telecommunication supervisory control system, the vision signal of telecommunications is linked in electric power system, realize monitoring in real time, not only reduced unnecessary equipment investment but also solved the problem that electric power need to be monitored.
Summary of the invention
The object of this invention is to provide a kind of electric power system outer net video standard safe access gateway, the access of the outer net video monitoring system headend equipment that can achieve a butt joint, reaches the object of unified monitoring unified management.
The present invention adopts following scheme to realize: a kind of electric power system outer net video standard safe access gateway, comprise that power network video unifies monitoring platform, characterized by further comprising video decode server, Video coding server, video control server and individual event xegregating unit; Described video control server receives user's request that described power network video is unified monitoring platform, by described individual event xegregating unit, user's request is sent to video decoding apparatus, described video decoding apparatus is by the decoding data of outer net video equipment, and then by after Video coding server code, be linked into power network video unified monitor flat in, realize video monitoring function.
In an embodiment of the present invention, described Video coding server, by the analog video of the output of access video decode server, is encoded into the H.264 video of form of standard by analog video.
In an embodiment of the present invention, described video decode server is decoded to video data by video card and is exported, Internet video data that can real-time decoding 16 tunnels.
In an embodiment of the present invention, described video decode server has N platform, and described N is not less than 2 natural number.
In an embodiment of the present invention, each described video equipment comprises DVR DVR, video server DVS and IP video camera.
In an embodiment of the present invention, described power network video is unified monitoring platform the signaling control protocol of video control server and Video coding server is adopted to Session Initiation Protocol, media control protocol unification in gateway, it is rtcp protocol, media transmission protocol unification in gateway, be Real-time Transport Protocol, and described Session Initiation Protocol, rtcp protocol and Real-time Transport Protocol are encrypted to encapsulated delivery.
In an embodiment of the present invention, described power network video is unified monitoring platform and is comprised the communication server, standard access server, management server, streaming media server, disk array and the WEB server connecting together by IP network.
In an embodiment of the present invention, described power network video is unified the real-time statistics of monitoring platform support to video flow, can arrange according to the maximum video flow between each node of real network bandwidth, and can show in real time the network flow data between each node.
In an embodiment of the present invention, described power network video is unified the high-grade user of monitoring platform and keeper can be to initiatively link connection being removed, thereby according to authority priority, guarantee the Operational Visit of main users.
The present invention has the following advantages: (1) can access the video monitoring front end equipment of multiple producer different model.(2) guaranteed the internet security between system intranet and extranet.(3) system adopts Softswitch technology to build, and meets the company standard Q/GDW of State Grid Corporation of China 517.1 < < power network video supervisory control system and interface part 1s: specification requirement > >.(4) system can be supported the real-time statistics to video flow, can arrange according to the maximum video flow between each node of real network bandwidth, and can show in real time the network flow data between each node.(5) system is supported multiple application exhibition method, has comprised B/S client, C/S client, video wall, Android/iOS mobile handheld terminal, Video Phone etc., by these terminals, can call easily and check corresponding video.(6) extensibility of system has comprised many aspects: the aspects such as extensibility of the extensibility of access, the extensibility of power system capacity, system applies.(7) equipment can forward to the real time data of request the function of distribution, thereby while avoiding multi-user to data access, because visit capacity causes larger pressure to headend equipment greatly.
Accompanying drawing explanation
Fig. 1 is that the present invention is framework schematic diagram.
Fig. 2 is hardware structure signaling process figure of the present invention.
Fig. 3 is the connection diagram of the embodiment of the present invention in concrete application.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
The present embodiment provides a kind of electric power system outer net video standard safe access gateway, comprises that power network video unifies monitoring platform, characterized by further comprising video decode server, Video coding server, video control server and individual event xegregating unit; Described video control server receives user's request that described power network video is unified monitoring platform, by described individual event xegregating unit, user's request is sent to video decoding apparatus, described video decoding apparatus is by the decoding data of outer net video equipment, and then by after Video coding server code, be linked into power network video unified monitor flat in, realize video monitoring function.
Described in the present embodiment, Video coding server Video coding server is by the analog input video of access video decode server, analog video is encoded into the H.264 video of form of standard, avoided otherness and the private ownership of different headend equipment producer on video format, thus for platform calling front end video.
The mode that described video decode server combines by software and hardware, the major functions and features of realization has comprised:
(1) video decode server is decoded to video data by video card and is exported, the Internet video data that every station server can real-time decoding 16 tunnels;
(2) video decode server, according to the demand of practical business, can configure 1 or multiple servers, and unification is subject to the control of video control server, realizes the security and stability of service load balancing and service;
(3), according to the control request of video control server, the camera real-time video of front end different manufacturers is accessed;
(4) according to the control request of video control server, the historical video of the camera of front end different manufacturers is accessed, comprise the various control functions to historical video playback;
(5) the relevant SDK that adopts different manufacturers to provide decodes, and outputs to the analog video outlet of appointment;
(6) according to the control request of video control server, front end camera is carried out to Yun Jing control;
(7) according to the control request of video control server, the function that the video parameter of the camera real-time video of front end different manufacturers is regulated etc.
In the present embodiment, described power network video is unified monitoring platform mainly by the communication server, management server, streaming media server, WEB server forms, employing builds based on Softswitch technology, meet the company standard Q/GDW of State Grid Corporation of China 517.1 < < power network video supervisory control system and interface part 1s: specification requirement > >, external interface is supported mode and the other standards system interconnect of standard " interface A ", support that mode and the modular system of standard " interface B " are interconnected simultaneously.
（1）
The communication server has comprised soft switch and certificate server two large divisions, and soft switch control section has been realized the signaling control of whole system and the transmission of Media Stream are controlled, and when client is browsed plant stand video image, carries out the control of signaling by soft switching server.After connecting, the video flowing of plant stand will carry out the conversion of video protocols by video encryption protocol conversion gateway, encrypts packing transmission, then is forwarded and be distributed to client by streaming media server, thereby realize the unified monitoring of plant stand video image and management.Soft switching server is control core and the critical component of unified video monitoring platform, adopts Session Initiation Protocol as main signaling control protocol, is responsible for the calling of the whole network and controls.The all functions that it has comprised sip proxy server, SIP Redirect Server and SIP registrar server, are the most crucial network elements in center service platform, and the operation flow in the whole network is controlled and tactical management.Soft switch and certificate server authentication section adopt aaa authentication, be responsible for the control of the control of the checking of user identity, call authority, access strategy etc., its main purpose is which user of management can access web server, which service the user with access right can obtain, how to using the user of Internet resources to keep accounts.Aaa authentication is a very important part in soft switchcall server, and it completes the functions such as access authentication, mandate, and the AAA service function providing in radius protocol is provided, and to improving the fail safe of system, has very important effect.
（2）
Database and NM server are realized the unified management of the functions such as the topology, configuration, safety, performance, fault of whole system network.Utilize unified network management platform to manage flexible exchanging network under topological view; Centralized operation, all network elements of maintenance and management, comprise soft switch certificate server, streaming media server, video encryption protocol conversion gateway etc., and the management maintenance ability of striding equipment is provided; The running status of Real-time and Dynamic Detection network, the centralized maintenance management of terminal equipment; Real-time statistics, analyze the performance of network, for the network optimization and scheduling provide support; Video traffic is managed; Improve network service quality, improve efficiency of operation, improve administrative structure and level; Webmaster and database server are realized the functions such as Topology Management, device configuration management, server admin, electronic chart management, user authority management, performance management, log management, planning management.Data base server is responsible for data message registration and the managed storage of whole system, and administrative client carries out the configuration of information by local or remote access database, and each server and client side can obtain required information by accessing this database.Comprise keeper and operator message registration, authentication information; Facility registration management, facility information inquiry, equipment configuration; Video and audio recording storage information management, inquiry, configuration; The registration of system service program and client-side information, authentication information etc.
（3）
By streaming media server, video flowing is transmitted to other clients, distribution of media refers to when two or more clients are browsed same video camera simultaneously, streaming media server is responsible for the video flowing of this video camera to be copied to other client and is synchronously play, so just there will not be the inconsistent situation of video of different client terminal playing, but also can alleviate network traffics.Streaming media server can connect IP network memory device and other kinds physical storage device, accepts the management of this territory soft switching server, can realize distributed deployment.
（4）
WEB server is in order to realize the required service of WEB mode access system platform, by WEB server, do not need to install client software and just can browse control video image and network management, and the functions such as inquiry playback of recording a video according to authority.As public information service device, provide the issue of communication system information data and information browse inquiry service based on WEB.
In the present invention, preferably, system has adopted two kinds of processing means to guarantee the internet security between system intranet and extranet:
(1) described video decode server is changed the Internet video of outer net front end video equipment to be analog video, by analog data line, to transmit, be linked into Video coding server, internet security while having avoided direct employing IP network transmission of video;
(2) the safe xegregating unit of Adoption Network is realized electric power data network to the one-way data transmission of video control signal of public network, has guaranteed the fail safe of network.
In the present invention, preferably, system adopts Softswitch technology to build, meet the company standard Q/GDW of State Grid Corporation of China 517.1 < < power network video supervisory control system and interface part 1s: specification requirement > >, employing standard " interface A " realizes interconnected between system, employing standard " interface B " realizes the access to standard front system, has guaranteed the standard of system.
In the present invention, preferably, system can be supported the real-time statistics to video flow, can arrange according to the maximum video flow between each node of real network bandwidth, and can show in real time the network flow data between each node.In actual applications, high-grade user and keeper can be to initiatively link connection being removed, thereby according to authority priority, guarantee the Operational Visit of main users.
The present invention carries out protocol conversion by outer net video standard safe access gateway to the DVR (DVR) of video producers different in outer net, video server (DVS), IP video camera and control appliance, realize the video camera of client-access far-end different video producer, the function that realization is monitored in real time to the video of Remote Camera, realize intrasystem unified Session Initiation Protocol transmission and control, guaranteeing compatibility, autgmentability and the confidentiality of each plant stand transmission of video images of electric power system.Every video standard safe access gateway protocol conversion gateway is supported the access of front end multiple paths of video images, adopts after video standard safe access gateway, does not affect the normal operation of original video monitoring system.
Concrete, please refer to Fig. 1 and Fig. 2, in figure, power network video monitoring platform sends control signal to video control server, by unidirectional xegregating unit to video decode server, the digital signal of video decode collection of server outer net video transfers analog signal to, send to Video coding server, Video coding server transfers to and transfers analog signal to digital signal, is transferred to video monitor platform.
Figure 3 shows that application drawing of the present invention.In figure, by the present invention, the video monitoring system of outer net is accessed to video monitoring platform as seen, realized the video monitoring unified platform.
The video monitoring unified platform of employing based on soft switch, utilize this visual plant of video standard IAD of the present invention, the access of realization to outer net video monitoring system headend equipment, by converting each different manufacturers to outer net, the DVR of different model (DVR) or video server (DVS), the access of IP video camera and control appliance, signaling control protocol unification, it is Session Initiation Protocol, the unification of media control protocol, it is rtcp protocol, media transmission protocol unification, it is Real-time Transport Protocol, and agreement is encrypted to encapsulated delivery, realize the video camera of client-access far-end different video producer of Surveillance center, the function that realization is monitored in real time to the video of Remote Camera, realize intrasystem unified Session Initiation Protocol transmission and control, the confidentiality of assurance system, compatible, autgmentability.
The invention provides a kind of thinking and method of electric power system outer net video standard safe access gateway; method and the approach of this technical scheme of specific implementation are a lot; the above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each part all available prior art realized.
Claims (9)
1. an electric power system outer net video standard safe access gateway, comprises that power network video unifies monitoring platform, characterized by further comprising video decode server, Video coding server, video control server and individual event xegregating unit; Described video control server receives user's request that described power network video is unified monitoring platform, by described individual event xegregating unit, user's request is sent to video decoding apparatus, described video decoding apparatus is by the decoding data of outer net video equipment, and then by after Video coding server code, be linked into power network video unified monitor flat in, realize video monitoring function.
2. electric power system outer net video standard safe access gateway according to claim 1, it is characterized in that: described Video coding server, by the analog video of the output of access video decode server, is encoded into the H.264 video of form of standard by analog video.
3. electric power system outer net video standard safe access gateway according to claim 1, is characterized in that: described video decode server is decoded to video data by video card and exported, Internet video data that can real-time decoding 16 tunnels.
4. electric power system outer net video standard safe access gateway according to claim 1, is characterized in that: described video decode server has N platform, and described N is not less than 2 natural number.
5. electric power system outer net video standard safe access gateway according to claim 1, is characterized in that: each described video equipment comprises DVR DVR, video server DVS and IP video camera.
6. electric power system outer net video standard safe access gateway according to claim 1, it is characterized in that: described power network video is unified monitoring platform the signaling control protocol of video control server and Video coding server is adopted to Session Initiation Protocol, media control protocol unification in gateway, it is rtcp protocol, media transmission protocol unification in gateway, be Real-time Transport Protocol, and described Session Initiation Protocol, rtcp protocol and Real-time Transport Protocol are encrypted to encapsulated delivery.
7. electric power system outer net video standard safe access gateway according to claim 1, is characterized in that: described power network video is unified monitoring platform and comprised the communication server, standard access server, management server, streaming media server, disk array and the WEB server connecting together by IP network.
8. electric power system outer net video standard safe access gateway according to claim 7, it is characterized in that: described power network video is unified the real-time statistics of monitoring platform support to video flow, can arrange according to the maximum video flow between each node of real network bandwidth, and can show in real time the network flow data between each node.
9. electric power system outer net video standard safe access gateway according to claim 7, it is characterized in that: described power network video is unified the high-grade user of monitoring platform and keeper can be to initiatively removing link connection, thereby according to authority priority, guarantee the Operational Visit of main users.
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| CN201310383686.2A CN103595956B (en) | 2013-08-29 | A kind of power system external network video standard safe access gateway |
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|---|---|---|---|
| CN201310383686.2A CN103595956B (en) | 2013-08-29 | A kind of power system external network video standard safe access gateway |
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| CN103595956A true CN103595956A (en) | 2014-02-19 |
| CN103595956B CN103595956B (en) | 2016-11-30 |
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| CN105357482A (en) * | 2015-11-13 | 2016-02-24 | 浙江宇视科技有限公司 | Video monitoring system, front-end equipment and safety access equipment |
| CN105471967A (en) * | 2015-11-17 | 2016-04-06 | 武汉微创光电股份有限公司 | Video monitoring system and front-end storage centralized management method |
| CN105979227A (en) * | 2016-06-29 | 2016-09-28 | 国网福建省电力有限公司 | Electricity intranet and internet integrated video transmission device based on CPCI interface |
| CN106060028A (en) * | 2016-05-26 | 2016-10-26 | 国网福建省电力有限公司 | Internal and external power network voice communication safety isolation gateway |
| CN106375261A (en) * | 2015-07-21 | 2017-02-01 | 杭州海康威视***技术有限公司 | Cross-network data transmission method and system |
| CN107124593A (en) * | 2017-05-27 | 2017-09-01 | 国网天津市电力公司 | Video centralized monitor |
| CN107707889A (en) * | 2017-10-25 | 2018-02-16 | 杭州万为科技有限责任公司 | The system and method that public security passes through internet security access control society video resource |
| CN107948198A (en) * | 2017-12-26 | 2018-04-20 | 北京东土科技股份有限公司 | A kind of Streaming Media safety isolation network gate |
| CN112437076A (en) * | 2020-11-18 | 2021-03-02 | 广州供电局有限公司 | Power grid video live broadcast platform and power grid video live broadcast method |
| CN113225534A (en) * | 2021-05-06 | 2021-08-06 | 上海远哲视讯科技有限公司 | Method for conforming encryption and transmission based on H.264 or H.265 media stream data NAL layer |
| CN117459763A (en) * | 2023-12-22 | 2024-01-26 | 杭州海康威视数字技术股份有限公司 | Audio and video safety protection method, equipment and system based on dynamic arrangement |
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| CN107707889A (en) * | 2017-10-25 | 2018-02-16 | 杭州万为科技有限责任公司 | The system and method that public security passes through internet security access control society video resource |
| CN107948198A (en) * | 2017-12-26 | 2018-04-20 | 北京东土科技股份有限公司 | A kind of Streaming Media safety isolation network gate |
| CN107948198B (en) * | 2017-12-26 | 2020-11-13 | 北京东土科技股份有限公司 | Stream media safety isolation network gate |
| CN112437076A (en) * | 2020-11-18 | 2021-03-02 | 广州供电局有限公司 | Power grid video live broadcast platform and power grid video live broadcast method |
| CN113225534A (en) * | 2021-05-06 | 2021-08-06 | 上海远哲视讯科技有限公司 | Method for conforming encryption and transmission based on H.264 or H.265 media stream data NAL layer |
| CN117459763A (en) * | 2023-12-22 | 2024-01-26 | 杭州海康威视数字技术股份有限公司 | Audio and video safety protection method, equipment and system based on dynamic arrangement |
| CN117459763B (en) * | 2023-12-22 | 2024-03-01 | 杭州海康威视数字技术股份有限公司 | Audio and video safety protection method, equipment and system based on dynamic arrangement |
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