CN202889528U - An access system of video monitoring terminal points of an optical fiber transmission network - Google Patents
An access system of video monitoring terminal points of an optical fiber transmission network Download PDFInfo
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- CN202889528U CN202889528U CN 201220504751 CN201220504751U CN202889528U CN 202889528 U CN202889528 U CN 202889528U CN 201220504751 CN201220504751 CN 201220504751 CN 201220504751 U CN201220504751 U CN 201220504751U CN 202889528 U CN202889528 U CN 202889528U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 43
- 239000013307 optical fiber Substances 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 68
- 230000005611 electricity Effects 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 4
- 238000005516 engineering process Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 1
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Abstract
Disclosed is an access system of video monitoring terminal points of an optical fiber transmission network. The access system comprises an Ether passive optical network formed by connecting optical network units and passive optical splitters, which are arranged inside front-end monitoring points subordinate to a transformer station, and an optical line terminal which is arranged at a power supply company. Each of the passive optical splitters is connected with the plurality of optical network units through optical fibers. Each of the optical network units receives video monitoring signals acquired by cameras. All paths of the video monitoring signals are concentrated by the passive optical splitters and then access the Ether passive optical network. The optical line terminal is connected with the passive optical splitters of the plurality of front-end monitoring points through an optical fiber junction device arranged inside the transformer station to receive the video monitoring signals. The optical line terminal is also connected with a switch of the power supply company through a gigabit electric port or optical port, thereby further transmitting the video monitoring signals to the switch. The access system provided by the utility model utilizes the optical fiber network to transmit the video monitoring signals and is long in transmission distance, strong in anti-interference capability, and good in expansibility.
Description
Technical field
The utility model relates to a kind of network access system, particularly a kind of Video Monitoring Terminal point connecting system of optical fiber transmission network.
Background technology
At present, to the monitoring of power transmission and transforming equipment operation conditions, except paying close attention to the data such as voltage, electric current, also with the emphasis of video monitoring as power grid construction and management.The video monitoring of power industry mainly is as main take the transformer substation video monitoring at present.From the practical application present situation, the electric power video monitoring system technical merit that different geographical is used is uneven, and video monitoring system has been selected different technology and the product of different manufacturers in different construction period, has caused standard disunity, technology path inconsistent.Different video monitoring systems is separate, be difficult to realize information sharing, therefore, concerning the monitoring and scheduling center, be difficult to realize unified monitoring, unified storage, grading control, minute territory management, can't satisfy the demand of the development of video monitoring system globalize, integration.
Along with the further fast development of network technology, the improving constantly of the network bandwidth, video monitoring develops to RMON from local monitor gradually; Wherein, Optical Fiber Transmission will become the main flow transmission plan of building Large Scale Video Monitoring System owing to possessing numerous advantages.Therefore, how with the monitor video signal of various criterion, different mode by the Optical Access Network network, become the problem of needing solution badly.
The utility model content
The utility model is realized the monitor video signal of various criterion, different mode is passed through the Optical Access Network network by a kind of Video Monitoring Terminal point connecting system of optical fiber transmission network is provided, and is convenient to the follow-up unified management of carrying out.
In order to achieve the above object, the technical solution of the utility model provides a kind of Video Monitoring Terminal point connecting system of optical fiber transmission network, and it comprises:
By the optical network unit and the passive optical splitters that are arranged in each front end control point of the subordinate of transformer station, and be arranged on the ethernet passive optical network that the optical line terminal of electric company connects and composes;
Wherein, each described passive optical splitters is connected by optical fiber with several described optical network units, each described optical network unit receives the video monitoring signal by camera acquisition, the described ethernet passive optical network of access after via described passive optical splitters each road video monitoring signal being concentrated;
The optical fiber tandem equipment of described optical line terminal by arranging in the transformer station, be connected to come the receiver, video pilot signal with the described passive optical splitters of several front end control points, described optical line terminal also docks by gigabit electricity mouth or light mouth with the switch of electric company, and video monitoring signal further is sent to described switch.
Video camera in described front end control point acquisition monitoring vision signal is web camera, and the digital monitor video signal of described web camera output accesses described ethernet passive optical network via the optical network unit with the corresponding connection of this web camera.
Perhaps, video camera in described front end control point acquisition monitoring vision signal is analog video camera, the monitor video signal that described analog video camera gathers, via converting corresponding digital signal to the network video coder of this analog video camera by the corresponding connection of coaxial cable, again by accessing described ethernet passive optical network with the optical network unit of described network video coder by the corresponding connection of twisted-pair feeder.
Among a kind of embodiment, described optical network unit is built in the network video coder.
The Video Monitoring Terminal point connecting system of optical fiber transmission network described in the utility model, owing to having adopted the scheme of Optical Fiber Transmission monitor video signal, its advantage is: be with roomyly, the signal volume that can transmit is large; Decay little, but long-distance transmissions; Strong interference immunity is not subjected to the interference of electromagnetic field; Do not burn, non-conductive, can be used for various hazardous environments; Volume is little, lightweight.
The utility model also mainly adopts the access of ethernet passive optical network EPON technology, can ensure in the situation that use 1 trunk optical fiber, by passive optical splitters POS access many branch optical fibers (maximum 32), every branch optical fiber can access respectively different front end control points, the problem of trunk optical fiber inadequate resource when solving remote accessing, scalability is good.Adopt the access of EPON technology, the access of gigabit bandwidth can be provided on an optical fiber, can satisfy the access requirement of front end video point high definition.
Description of drawings
Fig. 1 is the structural representation of the Video Monitoring Terminal point connecting system of optical fiber transmission network described in the utility model.
Embodiment
As shown in Figure 1, the Video Monitoring Terminal point connecting system of optical fiber transmission network described in the utility model comprises the relevant portion that arranges respectively in front end control point, transformer station, electric company's tertiary zone.
Wherein, for the newly-built front end control point of the subordinate of transformer station, normal operation web camera IPC begins just to carry out digitized processing from IMAQ, and directly forms digital vision signal.And for the analog video camera that uses in the front end control point that has originally built up, can be connected to first network video coder DVS by coaxial cable BNC, thereby adopt MPEG-4 and H.264 form convert the vision signal of analog video camera collection to digital vision signal.
The main access way that adopts ethernet passive optical network EPON in the utility model, EPON is a kind of EPON of point-to-multipoint structure, comprises optical line terminal OLT, optical network unit ONU and passive optical splitters POS.
Described optical line terminal OLT places each electric company, docks by gigabit electricity mouth or light mouth with the switch of electric company.
Described optical network unit ONU is placed near the front end control point or is built on the network video coder DVS.For the position that the front end monitoring camera is comparatively assembled, adopt independent optical network unit ONU equipment, make the one end connect EPON optical fiber, the other end is by twisted pair line connection network video coder DVS; For other control points that comparatively disperses, can adopt optical network unit ONU to be built in the mode of network video coder DVS, make network video coder DVS can directly be connected into the EPON network.When using web camera IPC, then directly make web camera IPC connection corresponding to optical network unit ONU, thus access EPON network.
Described passive optical splitters POS is an inactive component that connects optical line terminal OLT and optical network unit ONU; Passive optical splitters POS does not need power supply, and environmental suitability is strong.Be connected with several optical network unit ONU under each passive optical splitters POS, with the distribution downlink data, and concentrated upstream data.Each passive optical splitters POS also is connected to the optical fiber tandem equipment that arranges in the transformer station, and all kinds of headend equipments of convenient increase and decrease possess good extendible capacity.
Adopt the access of EPON technology, can ensure in the situation that use 1 trunk optical fiber, by passive optical splitters POS access many branch optical fibers (maximum 32), every branch optical fiber can access respectively different front end control points, the problem of trunk optical fiber inadequate resource when solving remote accessing.Adopt the access of EPON technology, the access of gigabit bandwidth can be provided on an optical fiber, can satisfy the access requirement of front end video point high definition.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be apparent.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (4)
1. the Video Monitoring Terminal point connecting system of an optical fiber transmission network is characterized in that, comprises:
By the optical network unit and the passive optical splitters that are arranged in each front end control point of the subordinate of transformer station, and be arranged on the ethernet passive optical network that the optical line terminal of electric company connects and composes;
Wherein, each described passive optical splitters is connected by optical fiber with several described optical network units, each described optical network unit receives the video monitoring signal by camera acquisition, the described ethernet passive optical network of access after via described passive optical splitters each road video monitoring signal being concentrated;
The optical fiber tandem equipment of described optical line terminal by arranging in the transformer station, be connected to come the receiver, video pilot signal with the described passive optical splitters of several front end control points, described optical line terminal also docks by gigabit electricity mouth or light mouth with the switch of electric company, and video monitoring signal further is sent to described switch.
2. the Video Monitoring Terminal point connecting system of optical fiber transmission network as claimed in claim 1 is characterized in that:
Video camera in described front end control point acquisition monitoring vision signal is web camera, and the digital monitor video signal of described web camera output accesses described ethernet passive optical network via the optical network unit with the corresponding connection of this web camera.
3. the Video Monitoring Terminal point connecting system of optical fiber transmission network as claimed in claim 1 is characterized in that:
Video camera in described front end control point acquisition monitoring vision signal is analog video camera, the monitor video signal that described analog video camera gathers, via converting corresponding digital signal to the network video coder of this analog video camera by the corresponding connection of coaxial cable, again by accessing described ethernet passive optical network with the optical network unit of described network video coder by the corresponding connection of twisted-pair feeder.
4. the Video Monitoring Terminal point connecting system of optical fiber transmission network as claimed in claim 3 is characterized in that:
Described optical network unit is built in the network video coder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504751 CN202889528U (en) | 2012-09-29 | 2012-09-29 | An access system of video monitoring terminal points of an optical fiber transmission network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504751 CN202889528U (en) | 2012-09-29 | 2012-09-29 | An access system of video monitoring terminal points of an optical fiber transmission network |
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| Publication Number | Publication Date |
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| CN202889528U true CN202889528U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220504751 Expired - Lifetime CN202889528U (en) | 2012-09-29 | 2012-09-29 | An access system of video monitoring terminal points of an optical fiber transmission network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698936A (en) * | 2018-12-12 | 2019-04-30 | 武汉中科天宇科技有限公司 | A kind of video monitoring system and video monitoring method for wisdom traffic |
| CN110062215A (en) * | 2019-05-28 | 2019-07-26 | 上海市共进通信技术有限公司 | Realize the communication device of passive optical network and web camera fusion |
| CN114826397A (en) * | 2022-06-29 | 2022-07-29 | 阿里巴巴（中国）有限公司 | Configuration method and device of optical transmission equipment and electronic equipment |
-
2012
- 2012-09-29 CN CN 201220504751 patent/CN202889528U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698936A (en) * | 2018-12-12 | 2019-04-30 | 武汉中科天宇科技有限公司 | A kind of video monitoring system and video monitoring method for wisdom traffic |
| CN110062215A (en) * | 2019-05-28 | 2019-07-26 | 上海市共进通信技术有限公司 | Realize the communication device of passive optical network and web camera fusion |
| CN114826397A (en) * | 2022-06-29 | 2022-07-29 | 阿里巴巴（中国）有限公司 | Configuration method and device of optical transmission equipment and electronic equipment |
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Granted publication date: 20130417 |
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| CX01 | Expiry of patent term |