CN204633944U - Based on the real-time return system of unmanned plane line walking HD video of optical fiber ring network - Google Patents
Based on the real-time return system of unmanned plane line walking HD video of optical fiber ring network Download PDFInfo
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- CN204633944U CN204633944U CN201520392090.3U CN201520392090U CN204633944U CN 204633944 U CN204633944 U CN 204633944U CN 201520392090 U CN201520392090 U CN 201520392090U CN 204633944 U CN204633944 U CN 204633944U
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Abstract
The utility model discloses a kind of real-time return system of unmanned plane line walking HD video based on optical fiber ring network, it comprises unmanned plane, high-definition camera, code modulation module, reception base station, optical switch, video-splicing module and host computer, described high-definition camera and code modulation module are arranged on unmanned plane, described reception base station is arranged on electric power line pole tower, and video-splicing module is the embedded video concatenation module in transformer station; Described code modulation module is sent to after the data of high-definition camera collection being carried out compression modulation and receives base station, receive base station receiving video data, and spliced by the embedded video concatenation module that the optical fiber on optical switch incoming fiber optic composite overhead ground wire transfers data in transformer station, the SDH private network being conveyed into electrical network after splicing is transferred to host computer and checks process for staff.The time delays of whole system link is a hundreds of millisecond, can realize real-time transmission of video information.
Description
Technical field
The utility model relates to a kind of real-time return system of unmanned plane line walking HD video based on optical fiber ring network.
Background technology
In China, power grid transmission line spreads all over the country, distributed more widely, and landform, environment etc. are very complicated, and network operation personnel bring into use unmanned plane to patrol and examine to replace manual inspection, to increase operating efficiency.And wherein, it is large that scope patrolled and examined by remote patrol unmanned facility, flight can patrol and examine tens kilometers even feature of up to a hundred kilometers, and thus Application comparison is extensive, utilize the periphery situation of remote patrol unmanned machine fast inspection transmission line, thus can the situation of change of condition of construction or hidden danger point under the line of Timeliness coverage transmission line, for work about electric power personnel provide first hand data, and be convenient to its follow-up formulation, carry out the scheme of anti-external force or anti-external force, reach the object reducing outside destroy.
Time existing remote patrol unmanned machine is patrolled and examined, short-range real-time Transmission can only return video, or exactly the video collected is deposited in memory card, after having patrolled and examined, go back just to check video, search hidden danger etc., and can not Timeliness coverage hidden danger, be unfavorable for reducing the possibility that transmission line is damaged.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of real-time return system of unmanned plane line walking HD video based on optical fiber ring network is provided, the coding module of this return system adopts based on encoding and decoding standard coding H.264, when or else can lose video quality, video compression is become the low-down data flow of code check, receiving base station is arranged on electric power line pole tower, the optical fiber in Optical Fiber composite overhead Ground Wire and the video-splicing module in transformer station is effectively utilized to form optical fiber ring network, carry out transfer of data, the time delays of whole link is a hundreds of millisecond, real-time transmission of video information can be realized.
The purpose of this utility model is achieved through the following technical solutions: based on the real-time return system of unmanned plane line walking HD video of optical fiber ring network, it comprises unmanned plane, high-definition camera, code modulation module, reception base station, optical switch, video-splicing module and host computer, described high-definition camera and code modulation module are arranged on unmanned plane, described reception base station is arranged on electric power line pole tower, and video-splicing module is the embedded video concatenation module in transformer station; Described code modulation module is sent to after the data of high-definition camera collection being carried out compression modulation and receives base station, receive base station receiving video data, and spliced by the embedded video concatenation module that the optical fiber on optical switch incoming fiber optic composite overhead ground wire transfers data in transformer station, the SDH private network being conveyed into electrical network after splicing is transferred to host computer and checks process for staff.
Described code modulation module terminal coding module adopts H.264 coding and decoding standard code, video compression is become the low-down data flow of code check, again with Real-time Transport Protocol, multicast pattern is sent to modulation /demodulation module, modulation /demodulation module adopts COFDM technology, its by data flow with frequency A modulation, amplify after send with frequency A.
Video, when two electric power line pole towers receive same video information simultaneously, is carried out splicing restructuring according to Real-time Transport Protocol by described video-splicing module.
The beneficial effects of the utility model are: the utility model provides a kind of real-time return system of unmanned plane line walking HD video based on optical fiber ring network, the coding module of this return system adopts based on encoding and decoding standard coding H.264, when or else can lose video quality, video compression is become the low-down data flow of code check, receiving base station is arranged on electric power line pole tower Kazakhstan, the optical fiber in Optical Fiber composite overhead Ground Wire and the video-splicing module in transformer station is effectively utilized to form optical fiber ring network, carry out transfer of data, the time delays of whole link is a hundreds of millisecond, real-time transmission of video information can be realized.
Accompanying drawing explanation
Fig. 1 is return system structure chart.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection range of the present utility model is not limited to the following stated.
As shown in Figure 1, based on the real-time return system of unmanned plane line walking HD video of optical fiber ring network, it comprises unmanned plane, high-definition camera, code modulation module, reception base station, optical switch, video-splicing module and host computer, described high-definition camera and code modulation module are arranged on unmanned plane, described reception base station is arranged on electric power line pole tower, and video-splicing module is the embedded video concatenation module in transformer station; Described code modulation module is sent to after the data of high-definition camera collection being carried out compression modulation and receives base station, receive base station receiving video data, and spliced by the embedded video concatenation module that the optical fiber on optical switch incoming fiber optic composite overhead ground wire transfers data in transformer station, the SDH private network being conveyed into electrical network after splicing is transferred to host computer and checks process for staff.
Described code modulation module terminal coding module adopts H.264 coding and decoding standard code, video compression is become the low-down data flow of code check, again with Real-time Transport Protocol, multicast pattern is sent to modulation /demodulation module, modulation /demodulation module adopts COFDM technology, its by data flow with frequency A modulation, amplify after send with frequency A.
Coded Orthogonal Frequency Division Multiplexing (COFDM) technology has remarkable diffraction and penetration capacity, strong to environment-adapting ability, in complex electromagnetic environment, the jamming performance that COFDM possesses between excellent interference free performance contrary frequency Selective intensity or arrowband interference and signal waveform is superior, by the combined coding of each subcarrier, have very strong anti-fading ability, transmission bandwidth is high, is applicable to the audio video transmission of high code stream, high image quality.Video code flow generally can be greater than 4M bps high code stream, the audio and video data streams of high image quality requires very high to coding, channel speed, and general technology cannot meet.
Video, when two electric power line pole towers receive same video information simultaneously, is carried out splicing restructuring according to Real-time Transport Protocol by described video-splicing module.
Use Real-time Transport Protocol after the video information compression that coding module on remote patrol unmanned machine collects high-definition camera, send to modulation /demodulation module by the mode of multicast, through modulation /demodulation module with frequency A modulation, send with frequency A after amplification.The optical switch of charged mouth is accessed above after the video information that above power transmission line shaft tower, base station frequency of utilization A receiving demodulation unmanned plane issues.Modulation /demodulation wireless transmission is generally 20 kilometers, and for not losing video information, on two towers, the distance of base station is shorter than maximum transmission distance, is 15 kilometers herein.Base station on shaft tower and the splicing of the embedded video in transformer station equipment form an optical fiber ring network.In the process that unmanned plane is patrolled and examined, when two shaft towers receive video information simultaneously, capital is by video information transmission to the embedded video splicing equipment in transformer station, and this equipment is recombinated video-splicing by SDH private network according to Real-time Transport Protocol, and to network operation, personnel check process.
Claims (3)
1. based on the real-time return system of unmanned plane line walking HD video of optical fiber ring network, it is characterized in that: it comprises unmanned plane, high-definition camera, code modulation module, reception base station, optical switch, video-splicing module and host computer, described high-definition camera and code modulation module are arranged on unmanned plane, described reception base station is arranged on electric power line pole tower, and video-splicing module is the embedded video concatenation module in transformer station; Described code modulation module is sent to after the data of high-definition camera collection being carried out compression modulation and receives base station, receive base station receiving video data, and spliced by the embedded video concatenation module that the optical fiber on optical switch incoming fiber optic composite overhead ground wire transfers data in transformer station, the SDH private network being conveyed into electrical network after splicing is transferred to host computer and checks process for staff.
2. the real-time return system of unmanned plane line walking HD video based on optical fiber ring network according to claim 1, it is characterized in that: described code modulation module terminal coding module adopts H.264 coding and decoding standard code, video compression is become the low-down data flow of code check, again with Real-time Transport Protocol, multicast pattern is sent to modulation /demodulation module, modulation /demodulation module adopts COFDM technology, its by data flow with frequency A modulation, amplify after send with frequency A.
3. the real-time return system of unmanned plane line walking HD video based on optical fiber ring network according to claim 1, it is characterized in that: video, when two electric power line pole towers receive same video information simultaneously, is carried out splicing restructuring according to Real-time Transport Protocol by described video-splicing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392090.3U CN204633944U (en) | 2015-06-09 | 2015-06-09 | Based on the real-time return system of unmanned plane line walking HD video of optical fiber ring network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520392090.3U CN204633944U (en) | 2015-06-09 | 2015-06-09 | Based on the real-time return system of unmanned plane line walking HD video of optical fiber ring network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902243A (en) * | 2015-06-09 | 2015-09-09 | 四川汇源光通信有限公司 | Unmanned plane line patrolling high-definition video real-time return system based on optical fiber ring network, and return method |
| CN105827366A (en) * | 2016-04-26 | 2016-08-03 | 广东容祺智能科技有限公司 | Unmanned aerial vehicle anti-interference self-correcting system |
-
2015
- 2015-06-09 CN CN201520392090.3U patent/CN204633944U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902243A (en) * | 2015-06-09 | 2015-09-09 | 四川汇源光通信有限公司 | Unmanned plane line patrolling high-definition video real-time return system based on optical fiber ring network, and return method |
| CN104902243B (en) * | 2015-06-09 | 2018-04-27 | 四川汇源光通信有限公司 | The real-time return system of unmanned plane line walking HD video and retransmission method based on optical fiber ring network |
| CN105827366A (en) * | 2016-04-26 | 2016-08-03 | 广东容祺智能科技有限公司 | Unmanned aerial vehicle anti-interference self-correcting system |
| CN105827366B (en) * | 2016-04-26 | 2018-12-25 | 广东容祺智能科技有限公司 | A kind of anti-interference self-picketing positive system of unmanned plane |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20200609 |
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| CF01 | Termination of patent right due to non-payment of annual fee |