CN105407317A - Time synchronization system based on intelligent substation video monitoring - Google Patents
Time synchronization system based on intelligent substation video monitoring Download PDFInfo
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- CN105407317A CN105407317A CN201510715834.5A CN201510715834A CN105407317A CN 105407317 A CN105407317 A CN 105407317A CN 201510715834 A CN201510715834 A CN 201510715834A CN 105407317 A CN105407317 A CN 105407317A
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- network
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- intelligent substation
- time synchronization
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The invention discloses a time synchronization system based on intelligent substation video monitoring, which comprises a video monitoring network server, a WEB browsing server, a GPS time synchronization device and an all digital IPC system, wherein the all digital IPC system is arranged at an intelligent substation end, and through a high-speed communication data network, network NTP time synchronization is carried out; GPS time synchronization signals are received for the NTP time synchronization, the video monitoring network server is connected with the time synchronization device for network time synchronization, each timing device is provided with a time synchronization assembly in a unified mode, and a network time synchronization function is provided; and the intelligent substation supports NTP(SNTP) time synchronization based on an IEC61850 technology protocol, and through a network switch, time synchronization is directly carried out on an intelligent substation video monitoring host. The video acquisition monitoring time synchronization requirements are met, the time synchronization precision can reach an ms level, and the time synchronization problem existing in operation and monitoring of the intelligent substation can be solved.
Description
Technical field
The present invention relates to a kind of based on system during intelligent substation video monitoring pair, belong to intelligent substation monitoring technique field.
Background technology
Along with the expansion of electrical network scale, the raising of power equipment automatization level, most of intelligent substation has possessed four remote control function, achieves unattended operation.But after transformer station's unattended operation, cause a lot of problem, the substation equipment damage etc. that comparatively outstanding automation communication network fault, the realization of Remote and safety problem, outside destroy and artificial origin cause.Therefore Remote Video Monitoring System for Substation just seems particularly important, namely " remote viewing " technology.The photographic technique system of intelligent substation, can environmental parameter outside remote monitoring electrical production to greatest extent, make operations staff or repair and maintenance personnel in office or machine room just each environmental parameter of energy real time inspection distant place transformer station, in conjunction with long-distance video, more can grasp the dynamic in real time of each transformer station clearly, for decision-making provides foundation.Found by investigation, the intelligent substation video monitoring system run at present is from lot of domestic and international different manufacturers, it is all independent operating, when there is no unified time pair, the time of video monitoring is exactly the device time itself, long-time running, and life period is forbidden, the problems such as time delay or time stopping, bringing difficulty to fault inquiry and judgement.Trace it to its cause and mainly comprise the problem of following three aspects, one is that what mainly to pay close attention to video monitoring system at present is quality, response speed and the memory capacity that picture gathers, and there is ignoring in various degree when real-time pair.Two is plant stand equipment when not support pair, requirement when most plant stand video monitoring does not meet network pair by inquiry, when producer does not arrange network pair interface or time response module.Three is main station system demands when not meeting network pair, needs when not meeting NTP network pair.
Summary of the invention
The object of the invention is, for intelligent substation video monitoring exist pair time problem, propose a kind of based on system during intelligent substation video monitoring pair.
Technical scheme of the present invention is, a kind of based on system during intelligent substation video monitoring pair, comprises video surveillance network server, WEB browser server, gps time synchronizer and digital IPC system.
Video surveillance network server, for monitoring, storing the video image of each intelligent substation transmission.
WEB browser server, for managing, consulting the video image of each intelligent substation transmission.
Gps time synchronizer, for assembly during installation pair, when carrying out network pair.
Digital IPC system, for gathering the video image from each plant stand, carries out storage management, telemonitoring and transmitting-receiving to image.
Described digital IPC Operation system setting at intelligent substation end, by high speed communication data net, when carrying out networking NTP couple; During NTP couple receive be GPS couple time signal, video surveillance network server is connected with time synchronism apparatus, when carrying out network pair, assembly during each time service device unification installation pair, possesses network time adjustment function, intelligent substation based on IEC61850 technical protocol, support NTP(SNTP) pair time, during by the network switch directly to intelligent substation video monitoring main frame pair.
Described video surveillance network server, gps time synchronizer are connected Electric Power Communication Data net with WEB browser server by network; Protocol component during video surveillance network server installation NTP couple, is connected with gps time synchronizer by network; Digital IPC system connects Electric Power Communication Data net by network and connects video surveillance network server, gps time synchronizer and WEB browser server.
Described digital IPC system front end comprises network code module and analog video camera, the analog video signal that analog video camera collects by described network code module is compressed into digital signal, by central processing unit, digital signal is carried out stores processor, again by the digital data transmission after process to the video monitoring main frame of intelligent substation, system when transferring to main website pair by communication data net; Gps time synchronizer provides when multiple pair and serves, during network enabled NTP and SNTP couple, gps time synchronizer sends Perfect Time, described video surveillance network server is as the main website of time monitoring, collect the video image from each plant stand, possess storage management, telemonitoring, image transmission/reception critical function, transferred the video pictures of each plant stand by web browser.
When of the present invention pair, principle builds the video networking system based on all-digital signal, by high speed communication data net, when carrying out networking NTP couple.The time message that NTP transmits with gps time code is for normative reference, use UTC as time standard, based on UPC/IP, use hierarchy type Annual distribution model, there is higher flexibility, various network environment can be adapted to, NTP not only can correct current time, and can the change of time regulate voluntarily, even if network environment changes, also the rectification of not influence time, has higher reliability and stability.
The invention has the beneficial effects as follows, a kind of video monitoring system based on full-digital network of the present invention, meet video acquisition monitoring pair time requirement, pair time precision reach ms level, solve intelligent substation operation monitoring exist pair time problem.This method by should in video monitoring system during network N TP couple, by transformer station's high speed communication data network, when realizing main, plant stand network exact pair.The network all-digital signal (IPC) that transformer substation end of the present invention adopts, compare with Internet video Semi-digital formula system with embedded video recorder digital analog mixed system (DVR), network digitization system advantage is more obvious, opening and the pardon of system are stronger, network configuration is simply clear, no matter the video flowing of fully digitalization is in storage, transmission, multiple users share, or the dilatation of system, upgrading aspect all become abnormal simple, easily.
Accompanying drawing explanation
Fig. 1 be intelligent substation video monitoring system and network pair time figure;
Fig. 2 is full-digital network video camera schematic diagram.
Embodiment
The present invention specifically implements in intelligent substation video monitoring system, as shown in Figure 1.
The present embodiment one comprises video surveillance network server, gps time synchronizer, WEB browser server and digital IPC system based on system during intelligent substation video monitoring pair.Video surveillance network server, gps time synchronizer server are connected Electric Power Communication Data net with WEB browser server by network; Protocol component during video surveillance network server installation NTP couple, is connected with gps time synchronizer server by network.Video surveillance network server and WEB browser server, for monitoring, storing, manage, consult the video image of each transformer station transmission.
As shown in Figure 2, described IPC system front end is combined by network code module and analog video camera, the analog video signal that analog video camera collects by coding module is compressed into digital signal, by central processing unit, digital signal is carried out stores processor, again by the digital data transmission after process to supervisory control of substation main frame, then transfer to video surveillance network server by switch and router by communication data net; Gps time synchronizer provides when multiple pair and serves, during network enabled NTP and SNTP couple, during GPS couple, server sends Perfect Time, video surveillance network server is as the main website of time monitoring, collect the video image from each plant stand, possess the critical functions such as storage management, telemonitoring, image transmission/reception, transferred the video pictures of each plant stand by web browser.
Claims (3)
1. based on system during intelligent substation video monitoring pair, it is characterized in that, when described pair, system comprises:
Video surveillance network server, for monitoring, storing the video image of each intelligent substation transmission;
WEB browser server, for managing, consulting the video image of each intelligent substation transmission;
Gps time synchronizer, for assembly during installation pair, when carrying out network pair;
Digital IPC system, for gathering the video image from each plant stand, carries out storage management, telemonitoring and transmitting-receiving to image;
Described digital IPC Operation system setting at intelligent substation end, by high speed communication data net, when carrying out networking NTP couple; During NTP couple receive be GPS couple time signal, video surveillance network server is connected with time synchronism apparatus, when carrying out network pair, assembly during each time service device unification installation pair, possesses network time adjustment function, intelligent substation based on IEC61850 technical protocol, support NTP(SNTP) pair time, during by the network switch directly to intelligent substation video monitoring main frame pair.
2. a kind of setting means based on system during intelligent substation video monitoring pair according to claim 1, it is characterized in that, described video surveillance network server, gps time synchronizer are connected Electric Power Communication Data net with WEB browser server by network; Protocol component during video surveillance network server installation NTP couple, is connected with gps time synchronizer by network; Digital IPC system connects Electric Power Communication Data net by network and connects video surveillance network server, gps time synchronizer and WEB browser server.
3. a kind of setting means based on system during intelligent substation video monitoring pair according to claim 1, it is characterized in that, described digital IPC system front end comprises network code module and analog video camera, the analog video signal that analog video camera collects by described network code module is compressed into digital signal, by central processing unit, digital signal is carried out stores processor, again by the digital data transmission after process to the video monitoring main frame of intelligent substation, system when transferring to main website pair by communication data net; Gps time synchronizer provides when multiple pair and serves, during network enabled NTP and SNTP couple, gps time synchronizer sends Perfect Time, described video surveillance network server is as the main website of time monitoring, collect the video image from each plant stand, possess storage management, telemonitoring, image transmission/reception critical function, transferred the video pictures of each plant stand by web browser.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510715834.5A CN105407317A (en) | 2015-10-30 | 2015-10-30 | Time synchronization system based on intelligent substation video monitoring |
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|---|---|---|---|
| CN201510715834.5A CN105407317A (en) | 2015-10-30 | 2015-10-30 | Time synchronization system based on intelligent substation video monitoring |
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| CN105407317A true CN105407317A (en) | 2016-03-16 |
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| CN201510715834.5A Pending CN105407317A (en) | 2015-10-30 | 2015-10-30 | Time synchronization system based on intelligent substation video monitoring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107425934A (en) * | 2017-04-07 | 2017-12-01 | 成都府河电力自动化成套设备有限责任公司 | The time synchronism apparatus of intelligent substation on-line monitoring |
| CN111061147A (en) * | 2019-11-28 | 2020-04-24 | 南京国电南自电网自动化有限公司 | Wireless network-based regional intelligent substation time service system and method |
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Application publication date: 20160316 |