CN101834989A - Real-time data acquisition and storage system of helicopter in electric inspection process - Google Patents

Real-time data acquisition and storage system of helicopter in electric inspection process Download PDF

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Publication number
CN101834989A
CN101834989A CN 201010182120 CN201010182120A CN101834989A CN 101834989 A CN101834989 A CN 101834989A CN 201010182120 CN201010182120 CN 201010182120 CN 201010182120 A CN201010182120 A CN 201010182120A CN 101834989 A CN101834989 A CN 101834989A
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China
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server
video
data
communication data
helicopter
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CN 201010182120
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CN101834989B (en
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袁杰
吴奇文
吕永新
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广州科易光电技术有限公司
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Abstract

The invention discloses a real-time data acquisition and storage system of a helicopter in the electric inspection process, comprising a video acquisition unit, a communication data acquisition unit, a video distribution device, a hardware management device, a server A, a server B and an embedded-type computer which are connected through a network; the server A and the server B are both provided with a storage module, wherein the server A only stores defective detected images and communication data related to the defective images, and the sever B stores all video data and communication data. The invention can regulate the data acquisition frequency in time according to different flying areas of the helicopter and ensure that the data is more scientific, reasonable and complete.

Description

Real-time data acquisition and storage system of helicopter in electric inspection process

Technical field

The present invention relates to a kind of helicopter power patrol on board system to, especially relate to a kind of acquisition and memory system of high-definition real-time data.

 

Technical background

In this year, the sustained and rapid development of Chinese national economy has proposed the requirement of more and more crossing to China's power industry.China territory is vast, and is with a varied topography, and hills and mountain area are more, the weather conditions complexity, and factors such as porcelain insulator quality instability have had a strong impact on the security and stability of supply line.For safety and power supply reliably, the modernization of patrolling and examining maintenance demonstrates its urgency day by day.At present the routine inspection mode that adopts of China comprises that manual inspection and helicopter patrol and examine dual mode, patrolling and examining content mainly is stringing tower bar and overhead transmission line, because China's circuit total length is big and broad covered area, also can cross over uninhabited complex regions such as lake or mountain area, manual inspection can not be suitable for fully this cycle long, circumstance complication is changeable and dangerous high work.

The helicopter in electric inspection process technology, owing to not influenced by the locus, polling period is short, adopt the means such as digital assay processing of high confidence level in addition, than manual inspection numerous advantages is arranged, traditional open-air manual inspection mode will be replaced gradually, and one of key factor that influences electric power development from now on will be become.More science is convenient compared with traditional manual inspection though the use helicopter is patrolled and examined, but it is also need to spend a large amount of costs, be applied to the image data complete and accurate, and scientific and reasonable so patrol and examine at every turn, then to mobile system, especially data acquisition and storage system just have quite high requirement.

The mobile system of present most inspecting helicopters all can only once be gathered storage or airborne checkout equipment detects in real time; the data that the former gathers need artificial subsequent treatment; often need the staff to watch the video recording of several hrs again; take time very much and energy; and the latter often can occur owing to the detection that can't in time finish it is pressed for time certain section circuit, the phenomenon of omission, false retrieval occurs.

 

Summary of the invention

The objective of the invention is in order to overcome the prior art defective, a kind of more scientific and reasonable real-time data acquisition and storage system of helicopter in electric inspection process is provided, native system can be to the complete preservation comprehensively of the data that collect, and makes things convenient for the staff that the data of gathering are carried out subsequent treatment.

Technological means:

The invention discloses a kind of real-time data acquisition and storage system of helicopter in electric inspection process, comprise video acquisition unit, the communication data collecting unit, video distribution equipment, hardware management appliance, server A, server B and embedded computer, video distribution equipment Connection Service device A, server B and video acquisition unit, video acquisition unit is connected with video distribution equipment, hardware management appliance is connected with video distribution equipment, server A and server B synchronous acquisition send to video data on the video distribution equipment by video acquisition unit, hardware management appliance connects the communication data collecting unit, server A, server B and embedded computer, server A, server B and embedded computer synchronous acquisition send to synchronous communication data on the hardware management appliance by the communication data collecting unit;

Wherein video acquisition unit comprises the identical thermal infrared imager of output frequency, ultraviolet video camera and visible light camera, and wherein thermal camera sends to video distribution equipment with the frame number of each frame when sending video data;

Wherein the communication data collecting unit comprises GPS and/or flight attitude detector, and the output frequency of GPS and/or flight attitude detector is identical with the output frequency of video acquisition unit;

Wherein video acquisition unit is gathered the video data of power line and shaft tower in real time, the synchronous communication data that embedded computer sends according to preset frequency acquisition hardware management equipment are finished the navigation to helicopter, generate the trail file of helicopter flight simultaneously, and send to server B by hardware management appliance and preserve, the A server is set predetermined period of time and at each preset time processing video data and communication data in the cycle, to exist the treatment of picture result of defective to preserve, server B also receives all video datas and communication data, and preserves.

Be provided with disk array and Intelligent Measurement module in server A, server A is carried out following sequential procedure in the time cycle of each setting:

A, according to predetermined frequency acquisition gather infrared video data on the video distribution equipment, with corresponding frame number of infrared video data that collects and other video datas and the synchronous communication data synchronous with this infrared data, and in all video datas and communication data, add frame number;

B, choose wherein frame all videos data and corresponding synchronous communication data in time cycle of this setting;

C, judge that current Intelligent Measurement module is whether idle, if the total data of selecting among the idle sequential procedure b that then will go up in cycle time is sent into the Intelligent Measurement module and is detected, if the total data of selecting among the not idle sequential procedure b that then directly will go up in cycle time deposits disk array in;

Whether the image that d, the diagnosis of Intelligent Measurement module are received exists defective, to there being the image tagged defective of defective, and be sent in the disk array with the image behind the mark and with the communication data of this image synchronization and store, or will not exist defective image and with the deletion of the communication data of this image synchronization, and return result.

The disk array that is arranged in the server A is the hot swap type disk array, and the time cycle of a setting of server A is one second; When server A is carried out sequential procedure d, synchronous communication data is joined in the identical video data of frame number, and compression is handled.

Be provided with the hot swap type disk array in server B, server B is carried out following sequential procedure:

A, gather video data and synchronous communication data, and store after in video data and synchronous communication data, adding corresponding frame number according to predeterminated frequency;

The flight path file that b, reception embedded computer send also stores;

C, utilize the offset address of each frame in synchronous communication data and each video data to generate index file and store, when server B is carried out sequential procedure a, synchronous communication data is joined in the identical video data of frame number, and compression is handled.

Server A sends instruction and by hardware management appliance the output frequency of video acquisition unit and communication data collecting unit is set when system start-up, and this output frequency is not less than per second 25 frames.

Video acquisition unit also comprises panorama observation visible light camera, its output frequency is consistent with the output frequency of thermal infrared imager, described communication data collecting unit also comprises Big Dipper communication system and rfid device, and its output frequency is identical with the output frequency of video acquisition unit.

Embedded computer is also calculated the aircraft region by the communication data that receives, and sends to server A and server B through hardware management appliance.

The flight range information that server A sends according to embedded computer judges whether needs change frequency acquisition, if need change, parameter after then will changing sends to server B and embedded computer by hardware management appliance, and server B makes it consistent with server A with embedded computer according to the parameter modification frequency acquisition that receives.

Beneficial effect:

The present invention reasonably carries out flight navigation by the flight communication data of gathering when data acquisition, and can discern the tower bar by radio-frequency apparatus, can make data acquisition more scientific and reasonable like this, and be convenient to the mark to faulty line.Use thermal infrared imager simultaneously, ultraviolet video camera and visible light camera are taked the mode of twice storage to data, once be all images data and communication data by the server B storage of collected, and production index file, make and once patrol and examine the data integrity of gathering in the process, and provide convenience for follow-up floor treatment, carry out Intelligent Measurement earlier before another time storage, and will exist the image of rejected region to store separately, so both can save hard drive space, follow-up floor treatment is simplified, and the corresponding site that only need access the video of server B storage for the position of uncertain or omission detects again and gets final product; Twice storage also can be avoided because one of them hard disk corruptions causes this to patrol and examine the work failure.Use the hot swap type disk array as storage tool, make things convenient for data to shift and long preservation, patrolling and examining only needs after finishing airborne hot swap type disk array is taken out, insert then and just can finish the data transfer in the Ground Processing System, for the long-term data that keep of needs, need not the data in the original memory device are all exported in other memory devices and store, when patrolling and examining next time,, can avoid data when shifting, to occur damaging like this as long as inserting the identical new hot swap type disk array of specification just can normally use.

 

Description of drawings

Fig. 1 is the each several part syndeton schematic diagram of native system;

Fig. 2 is the workflow diagram of native system.

 

Embodiment

As depicted in figs. 1 and 2, video distribution equipment Connection Service device A, server B and video acquisition unit, server A and server B synchronous acquisition video acquisition unit send to the video data on the video distribution equipment; Hardware management appliance connects communication data collecting unit, server A, server B and embedded computer, and server A, server B and embedded computer synchronous acquisition send to synchronous communication data on the hardware management appliance by the communication data collecting unit; Hardware management appliance also is connected with video distribution equipment.Wherein video acquisition unit comprises thermal infrared imager, ultraviolet video camera, high definition visible light camera and panorama observation visible light camera, and the communication data collecting unit comprises GPS, flight attitude detector, Big Dipper communication system and rfid device.The angular field of view unanimity of thermal infrared imager, ultraviolet video camera and high definition visible light camera its objective is that the synchronous analysis of three kinds of video datas is compared for convenience; The angular field of view of panorama observation visible light camera is greater than other video data acquiring equipment, its objective is to be convenient to flight environment of vehicle and to patrol and examine zone observation comprehensively; GPS and flight attitude detector are used for navigation, and to the observed object location, and the angle of sign video acquisition; Big Dipper communication system is used for the communication on helicopter and ground, because do not receive the telephonic communication signal in certain areas; Rfid device is used to discern the relevant information of tower bar, is convenient to the mark faulty line.

Behind the Register loading system, server A can send instructions to hardware management appliance, the output frequency of video acquisition unit and communication data collecting unit is set by hardware management appliance, the output frequency of all collecting devices that both comprised is made as unanimity, after setting completed, data source is present on separately the data wire all the time, and constantly refreshes with the frequency that sets.Server A, server B and embedded computer call collection function separately respectively, according to the frequency acquisition that system is provided with, data source are gathered.The frequency acquisition of server A, server B and embedded computer is identical, and is general identical with the output frequency of collecting device, should be less than per second 25 frames, and zero-time is identical.

After system was provided with thermal infrared imager, thermal infrared imager when sending frame infrared temperature data, was sent the frame number of present frame according to the frequency acquisition that is provided with.For server A, when gathering each frame video data and synchronous communication data, also gather the frame number of current infrared data, and be that standard is numbered Various types of data with the frame number of infrared data; Server B is identical with server A with numbering to the collection of data, so just can guarantee that the video data of server A and server B collection and communication data all are synchronous.

Server A comprises hot swap type disk array and Intelligent Measurement module, in the work period of a setting, finish in main following sequential procedure: a, according to predetermined frequency acquisition gather the infrared video data, with corresponding frame number of infrared video data that collects and other video datas and the synchronous communication data synchronous with this infrared data, and in all video datas that collect and communication data, add frame number; B, choose wherein frame all videos data and corresponding flight communication data in work period of this setting; C, judge that current Intelligent Measurement module is whether idle, if the total data of selecting among the idle sequential procedure b that then will go up in the work period of setting is sent into the Intelligent Measurement module and is detected, if the total data of selecting among the not idle sequential procedure b that then directly will go up in the work period of setting deposits the hot swap type disk array in; Whether the image that d, the diagnosis of Intelligent Measurement module are received exists defective, to there being the image tagged defective of defective, and be sent in the hot swap type disk array with the image behind the mark and with the communication data of this image synchronization and store, or will not exist defective image and with the deletion of the communication data of this image synchronization, and return results.When the work period of server A is set, consider the speed of helicopter flight and the size at video capture device visual angle, the image that is selection in the last cycle is overlapping with the image section that the back was selected in one-period, but overlapping part is minimized, and is arranged to one second usually.Judge in sequential procedure c whether the free time is whether to have return value to determine by the sequential procedure d in the work period on judging to detection module.Because the time of Intelligent Measurement is unfixing, frame data that occur the last cycle have not probably detected, the data that back one-period is selected and recommended have just required to detect, so when not having return value, the back data of being selected and recommended in one-period defectiveness whether no matter, the capital is admitted to memory module, guarantees that data integrity is reliable.

Server B is a storage server, only is used for all data that storage of collected arrives.Server B comprises the hot swap type disk array, mainly carries out following sequential procedure: a, gathers video data and synchronous communication data according to predeterminated frequency, and store add corresponding frame number in video data and synchronous communication data after; The flight path file that b, reception embedded computer send, and store; C, utilize the offset address of each frame in synchronous communication data and each video data to generate index file, and store.

It is in order to make things convenient for the transfer of data when the reprocessing of ground that server A and server B adopt the purpose of hot swap type disk array (such as the removable hard disk of USB interface etc.), and is convenient for changing hard disk.The data volume of server A is smaller or equal to 1/25th of server B in theory, and the data of server B are more complete, also even more important for the post analysis processing, be one of necessary condition of present embodiment so server B adopts the hot swap type disk array here.

Because data volume is big and classification is many, server A and server B can add the communication data of each frame in the vedio data of this frame when storage, and compression is handled the back and stored.Require to carry out lossless compress for infrared image, the compression ratio maximum of remaining image can be made as lossless compress.

Embedded computer is a navigator, plays anticipation and adjustment to video data acquiring is whether the most scientific and reasonable.Embedded computer is only gathered the synchronous communication data, by synchronous communication data correction helicopter flight track, finishes the navigation to helicopter, and the flight path file of helicopter is sent to server B by hardware management appliance stores.Embedded computer is also made description by the communication data of gathering to flight range, and positional information is sent to server A and server B.Server A utilizes this positional information that next selected frame of setting in the work period is made anticipation, makes it reach optimal effectiveness when carrying out sequential procedure b.Flight range changes the quality that can influence data acquisition, so server A need also can judge whether the change frequency acquisition by the positional information that receives, change if need, then in change self frequency acquisition, parameter after changing is sent to server B and embedded computer, the frequency acquisition of server B and embedded computer also can be made corresponding modification, guarantees identical with the frequency acquisition of server A.

 

Claims (10)

1. real-time data acquisition and storage system of helicopter in electric inspection process, it is characterized in that: described real-time data acquisition and storage system of helicopter in electric inspection process comprises video acquisition unit, the communication data collecting unit, video distribution equipment, hardware management appliance, server A, server B and embedded computer, video distribution equipment Connection Service device A, server B and video acquisition unit, video acquisition unit is connected with video distribution equipment, hardware management appliance is connected with video distribution equipment, server A and server B synchronous acquisition send to video data on the video distribution equipment by video acquisition unit, hardware management appliance connects the communication data collecting unit, server A, server B and embedded computer, server A, server B and embedded computer synchronous acquisition send to synchronous communication data on the hardware management appliance by the communication data collecting unit;
Described video acquisition unit comprises the identical thermal infrared imager of output frequency, ultraviolet video camera and visible light camera, and wherein thermal camera sends to video distribution equipment with the frame number of each frame when sending video data;
Described communication data collecting unit comprises GPS and/or flight attitude detector, and the output frequency of GPS and/or flight attitude detector is identical with the output frequency of video acquisition unit;
Described video acquisition unit is gathered the video data of power line and shaft tower in real time, the synchronous communication data that embedded computer sends according to preset frequency acquisition hardware management equipment are finished the navigation to helicopter, generate the trail file of helicopter flight simultaneously, and send to server B by hardware management appliance and preserve, the A server is set predetermined period of time and at each preset time processing video data and communication data in the cycle, to exist the treatment of picture result of defective to preserve, server B also receives all video datas and communication data, and preserves.
2. real-time data acquisition and storage system of helicopter in electric inspection process according to claim 1 is characterized in that: be provided with disk array and Intelligent Measurement module in described server A, server A is carried out following sequential procedure in the time cycle of each setting:
A, according to predetermined frequency acquisition gather infrared video data on the video distribution equipment, with corresponding frame number of infrared video data that collects and other video datas and the synchronous communication data synchronous with this infrared data, and in all video datas and communication data, add frame number;
B, choose wherein frame all videos data and corresponding synchronous communication data in time cycle of this setting;
C, judge that current Intelligent Measurement module is whether idle, if the total data of selecting among the idle sequential procedure b that then will go up in cycle time is sent into the Intelligent Measurement module and is detected, if the total data of selecting among the not idle sequential procedure b that then directly will go up in cycle time deposits disk array in;
Whether the image that d, the diagnosis of Intelligent Measurement module are received exists defective, to there being the image tagged defective of defective, and be sent in the disk array with the image behind the mark and with the communication data of this image synchronization and store, or will not exist defective image and with the deletion of the communication data of this image synchronization, and return result.
3. real-time data acquisition and storage system of helicopter in electric inspection process according to claim 2 is characterized in that: the disk array that is arranged in the described server A is the hot swap type disk array.
4. real-time data acquisition and storage system of helicopter in electric inspection process according to claim 2 is characterized in that: the time cycle of a setting of described server A is one second; When described server A is carried out sequential procedure d, synchronous communication data is joined in the identical video data of frame number, and compression is handled.
5. real-time data acquisition and storage system of helicopter in electric inspection process according to claim 1 is characterized in that: be provided with the hot swap type disk array in described server B, server B is carried out following sequential procedure:
A, gather video data and synchronous communication data, and store after in video data and synchronous communication data, adding corresponding frame number according to predeterminated frequency;
The flight path file that b, reception embedded computer send also stores;
C, utilize the offset address of each frame in synchronous communication data and each video data to generate index file and store.
6. real-time data acquisition and storage system of helicopter in electric inspection process according to claim 5 is characterized in that: when described server B is carried out sequential procedure a, synchronous communication data is joined in the identical video data of frame number, and compression is handled.
7. real-time data acquisition and storage system of helicopter in electric inspection process according to claim 1, it is characterized in that: described server A sends instruction and by hardware management appliance the output frequency of video acquisition unit and communication data collecting unit is set when system start-up, and this output frequency is not less than per second 25 frames.
8. real-time data acquisition and storage system of helicopter in electric inspection process according to claim 1, it is characterized in that: described video acquisition unit also comprises panorama observation visible light camera, its output frequency is consistent with the output frequency of thermal infrared imager, described communication data collecting unit also comprises Big Dipper communication system and rfid device, and its output frequency is consistent with the output frequency of video acquisition unit.
9. according to the described real-time data acquisition and storage system of helicopter in electric inspection process of each claim among the claim 1-8, it is characterized in that: described embedded computer is also calculated the aircraft region by the communication data that receives, and sends to server A and server B through hardware management appliance.
10. real-time data acquisition and storage system of helicopter in electric inspection process according to claim 9, it is characterized in that: the flight range information that described server A sends according to embedded computer judges whether needs change frequency acquisition, if need change, parameter after then will changing sends to server B and embedded computer by hardware management appliance, and server B makes it consistent with server A with embedded computer according to the parameter modification frequency acquisition that receives.
CN201010182120XA 2010-05-25 2010-05-25 Real-time data acquisition and storage system of helicopter in electric inspection process CN101834989B (en)

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CN104158116A (en) * 2014-08-01 2014-11-19 南方电网科学研究院有限责任公司 Photoelectric nacelle general system and method used for helicopter routing inspection
CN104618695A (en) * 2015-03-06 2015-05-13 张廷敏 Power equipment identification system positioned in air
CN104735425A (en) * 2015-04-02 2015-06-24 无锡桑尼安科技有限公司 Transmission equipment recognition method based on unmanned aerial vehicle
CN104735423A (en) * 2015-04-02 2015-06-24 无锡桑尼安科技有限公司 Transmission equipment recognition platform located on unmanned aerial vehicle
CN105163057A (en) * 2015-08-17 2015-12-16 广州飞米电子科技有限公司 Method and device for controlling multimedia acquisition equipment
CN105657428A (en) * 2016-01-25 2016-06-08 成都国铁电气设备有限公司 Infrared image compression method and system applied to contact network
CN105676635A (en) * 2014-04-11 2016-06-15 基德科技公司 Self-learning monitoring systems for electrical devices
CN105791781A (en) * 2015-04-02 2016-07-20 陈思思 Transmission device identification platform located on unmanned aerial vehicle
CN107682451A (en) * 2017-10-31 2018-02-09 中冶华天工程技术有限公司 A kind of remote information transmission method
CN108881841A (en) * 2018-07-03 2018-11-23 国网通用航空有限公司 Power transmission line intelligent identifying system and method based on helicopter platform

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CN101214851A (en) * 2008-01-10 2008-07-09 黄席樾 Intelligent all-weather actively safety early warning system and early warning method thereof for ship running
CN101365963A (en) * 2006-01-09 2009-02-11 皇家飞利浦电子股份有限公司 Method of constructing time-in-flight pet images

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CN105676635A (en) * 2014-04-11 2016-06-15 基德科技公司 Self-learning monitoring systems for electrical devices
CN104158116A (en) * 2014-08-01 2014-11-19 南方电网科学研究院有限责任公司 Photoelectric nacelle general system and method used for helicopter routing inspection
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CN104618695A (en) * 2015-03-06 2015-05-13 张廷敏 Power equipment identification system positioned in air
CN104618695B (en) * 2015-03-06 2016-01-20 国家电网公司 Be positioned at aerial power equipment recognition system
CN104735425A (en) * 2015-04-02 2015-06-24 无锡桑尼安科技有限公司 Transmission equipment recognition method based on unmanned aerial vehicle
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CN104735423A (en) * 2015-04-02 2015-06-24 无锡桑尼安科技有限公司 Transmission equipment recognition platform located on unmanned aerial vehicle
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CN105208345B8 (en) * 2015-04-02 2016-07-20 国家电网公司 Transmission facility identification method based on unmanned plane
CN105791781A (en) * 2015-04-02 2016-07-20 陈思思 Transmission device identification platform located on unmanned aerial vehicle
CN105163057A (en) * 2015-08-17 2015-12-16 广州飞米电子科技有限公司 Method and device for controlling multimedia acquisition equipment
CN105163057B (en) * 2015-08-17 2018-04-06 广州飞米电子科技有限公司 The method and apparatus for controlling multimedia collection equipment
CN105657428A (en) * 2016-01-25 2016-06-08 成都国铁电气设备有限公司 Infrared image compression method and system applied to contact network
CN107682451A (en) * 2017-10-31 2018-02-09 中冶华天工程技术有限公司 A kind of remote information transmission method
CN108881841A (en) * 2018-07-03 2018-11-23 国网通用航空有限公司 Power transmission line intelligent identifying system and method based on helicopter platform

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