CN103278510A - Visible light imaging detection device of supporting and positioning device of overhead contact system of electrified railway - Google Patents
Visible light imaging detection device of supporting and positioning device of overhead contact system of electrified railway Download PDFInfo
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- CN103278510A CN103278510A CN2013101408901A CN201310140890A CN103278510A CN 103278510 A CN103278510 A CN 103278510A CN 2013101408901 A CN2013101408901 A CN 2013101408901A CN 201310140890 A CN201310140890 A CN 201310140890A CN 103278510 A CN103278510 A CN 103278510A
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Abstract
The invention relates to a visible light imaging detection device of a supporting and positioning device of an overhead contact system of an electrified railway, and belongs to the image acquisition technology of the supporting and positioning device of the overhead contact system. The visible light imaging detection device is characterized by comprising an image acquisition array unit, an image positioning trigger device and an image storage and analysis unit. The image acquisition array unit is mainly composed of 30 cameras and a plurality of LED light supplement units, wherein the cameras comprise 8 pillar or column imaging cameras, 4 global cameras and 20 local cameras; and the cameras are uniformly distributed on the front, back, left and right directions on the top of a train. The visible light imaging detection device can not only capture the position of a vertical column where the pillar or column of the overhead contact system is disposed, but also guarantee that the front surface and the reverse surface of the supporting and positioning device of the overhead contact system can be imaged with high definition no matter which a running direction of the detection vehicle loaded with the system is upward or downward and no matter where the detection vehicle loaded with the system is in a tunnel or out of the tunnel.
Description
Technical field
The present invention relates to the safety detection technology of high ferro contact net, relate in particular to the intelligent image monitoring technology of supportive device, locating device and other auxiliary equipments of high ferro contact net.
Background technology
Along with further developing and widespread use of high-speed railway transportation technology, the high ferro contact net is as the critical facility that electric energy is provided to locomotive, and whether it is in safe duty also more and more receives publicity.For guaranteeing that contact net is in the works fine state, be beneficial to the safe operation of electric railway, should find and handle the contact net fault as early as possible.In the reality contact net fault mainly by the pine of parts, take off, lack, split etc. and cause, and at present, general tupe is manually to reach the standard grade to patrol and examine when the operation of skylight, but because field condition is limited, and the unequal factor of worker's professional qualities, and the situation that omission might occur, cause a hidden trouble.Existing Contact Line Detection technology is only paid close attention to the contact net stagger emphatically and is led the measurement of higher geometry parameter, and less relevance is to the fault detect of contact net and supportive device, locating device and other auxiliary equipments.At present for status detection such as contact net supportive devices, most disposal route is in the skylight activity duration, patrols and examines by manually reaching the standard grade, but because the limitation of field condition, the unequal factor of worker's professional qualities, not only detection efficiency is low but also probably can cause the situation of omission.Patent [1] described the online inspection device of a kind of high ferro contact net, method for inspecting with and the detection of adopting two high speed cameras to achieve a butt joint and touch net of the high ferro Contact Line Detection System that constitutes, what it related generally to is contact net, and contact net involved in the present invention and supportive device thereof, locating device and other auxiliary equipments, therefore, the present invention has different detected objects with patent [1], according to different functions, has different structures.
Patent [2] has been described a kind of electrification railway contact net Laser Measuring measuring device rapid large-area and has been measured the various parameters of contact net, for electrification railway contact net is laid and repair based on condition of component provides reliable data, be a kind of laser measuring equipment for the various supplemental characteristics of electrification railway contact net, crossing very far away with the intelligent image monitoring technology to high ferro contact net and supportive device, locating device and other auxiliary equipments involved in the present invention.
[1] the online inspection device of a kind of high ferro contact net, method for inspecting with and the high ferro Contact Line Detection System that constitutes, application number/patent No.: 201210247022.9, invention designer: Wu Xiaosong; Lv Yongxin; Wu Qiwen
[2] electrification railway contact net Laser Measuring measuring device, application number/patent No.: CN201220017846.2, invention (design) people: Zhu Lijing; Wang Tao
Summary of the invention
Task of the present invention mainly is to solve above contact net to support the artificial naked eyes of locating device to detect the low difficult problem of maintenance efficiency, proposes a kind of vehicle-mounted optical imagery pick-up unit of support locating device of electrification railway contact net.Apparatus of the present invention are easy to use flexibly, and it can adapt in the speed of 0～70km/h and carries out contact net imaging testing.
Technological means: the invention discloses a kind of visual light imaging pick-up unit of support locating device of electrification railway contact net, comprise image acquisition array element and coupled framing flip flop equipment and image inventory analysis unit;
The invention is characterized in: a kind of visual light imaging pick-up unit of support locating device of electrification railway contact net, it is characterized in that: be a kind of support locating device of be used for taking electrification railway contact net that is installed on railway contact line inspection vehicle car body top each parts comprise pine, take off, lack, the optical imagery device in interior malfunction such as split;
Described image acquisition array element comprises: base, camera support and camera array; Base is fixed on the carriage top, and camera support is fixed on the described base, is trapezium structure; Camera array is fixed on the described support on two sides of two position correspondences along about the train working direction, the described side of each of described camera array comprises: along the forward direction camera set of train working direction with afterwards to camera set, comprise an image candid photograph camera subarray separately.Image is captured the camera subarray and is comprised: davit bar number candid photograph camera set in strut rod candid photograph camera and the tunnel outside contact net support locating device image candid photograph camera and the tunnel, wherein supporting locating device to capture camera set comprises: five contact nets support locating device topography to capture camera, a contact net supports the locating device global image to capture camera and six LED light filling lamps, each described LED light filling lamp is controlled by a camera respectively, described contact net supports locating device candid photograph camera set to be fixed on the described camera support by the matrix form of four lines three row, its visual field of taking pictures has covered whole described contact net and has supported locating device, wherein:
First row from left to right is followed successively by: at the first local camera of first critical area, and overall camera and at the second local camera of second critical area;
Second row is three LED light filling lamps of contact net image candid photograph camera light filling;
The third line from left to right is followed successively by the 3rd local camera at the 3rd critical area, at the 5th local camera of the 5th critical area with at the 4th local camera of the 4th critical area;
Fourth line is remaining three LED light filling lamp;
Described five critical areas have covered whole parts that described contact net is supported locating device, comprising whether flashover breakage of insulator, at critical area one and critical area three; Whether the split pin on the parts exists, in critical area one, two, three, five; Whether the ears sleeve exists gets loose and crackle, at critical area two; Whether the sleeve pipe monaural exists gets loose and crackle, at critical area one and critical area five; The carrier cable base for supporting whether get loose and crackle and base on parallel lines whether exist, at critical area two; Whether windproof backguy broken lot, and whether windproof backguy stay hook adorn instead, at critical area four; Five described local cameras are also captured described contact net and are supported whether the screw on the locating device exists loosening image; Wherein overall camera is used for capturing the image that described whole contact net is supported locating device; Bar number and davit number are captured the 4th row that camera set constitutes described matrix, be followed successively by from top to bottom, bar identification camera, bar number identification LED light filling lamp, davit identification camera and davit number identification LED light filling lamp, above-mentioned whole camera has constituted the camera matrix of a 4*4, is called image and captures the camera subarray;
The framing flip flop equipment, the external trigger end of supporting locating device to capture each camera in the camera set with the contact net in described four groups of camera subarrays links to each other, and every camera flash-light drive end links to each other with the triggering input control end of corresponding LED light filling lamp simultaneously; And receive 8 bars number in four groups of camera subarrays and the realtime graphic of davit identification camera, and produce to trigger and take order, described framing flip flop equipment sends image according to following steps to each camera and captures steering order:
Step (1): when static state, set each described pillar number, the position of davit candid photograph camera, namely these two kinds of cameras are calibrated, determined a davit position when the picture centre position and overall camera and local camera can both be known and intactly photograph the picture that the contact net of correspondence position is separately supported locating device;
Step (2): in train is advanced, obtain the strut rod number of dynamic change or the image of davit position in real time by pillar number and davit candid photograph camera, and give the analysis image of the controller in the framing flip flop equipment;
Step (3): when the framing flip flop equipment analyzes the captured image of pillar camera or davit camera when arriving step (1) the picture centre position of calibrating and namely capturing the position, send for corresponding camera array by the framing flip flop equipment and capture instruction, after camera receives the candid photograph instruction that the framing flip flop equipment sends, carry out on one side image exposure and drive the mouth instruction of flashing by flashlamp simultaneously, receive to glisten after flash of light is instructed with described LED light filling lamp captured object is carried out polishing;
Image inventory analysis unit mainly comprises image storage server, the bar number figure of the pillar that candid photograph is arrived in image storage unit reception image acquisition array element candid photograph image of camera and the industrial control computer or davit.Server obtains contact net support the bar figure of the overall situation figure of locating device and part and pillar davit after, by software algorithm every width of cloth image is analyzed automatically, and is obtained testing result.
The present invention has noncontact, fireballing advantage, and operational process need not human intervention, can save human cost in large quantities, for precondition has been created in follow-up graphical analysis.
Description of drawings
Fig. 1 is one of structural representation of the present invention;
Fig. 2 is two of structural representation of the present invention;
Fig. 3 is the synoptic diagram of detected object of the present invention;
Fig. 4 is framing flip flop equipment structural principle synoptic diagram of the present invention;
Fig. 5 is framing processing flow chart of the present invention.
Claims (1)
1. the visual light imaging pick-up unit of the support locating device of an electrification railway contact net, it is characterized in that: be a kind of support locating device of be used for taking electrification railway contact net that is installed on railway contact line inspection vehicle car body top each parts comprise pine, take off, lack, optical imagery device in interior malfunction such as split, this device comprises: image acquisition array element, framing flip flop equipment and image inventory analysis unit;
Described image acquisition array element comprises: base, camera support and camera array; Base is fixed on the carriage top, and camera support is fixed on the described base, is trapezium structure; Camera array is fixed on the described support on two sides of two position correspondences along about the train working direction, the described side of each of described camera array comprises: along the forward direction camera set of train working direction with afterwards to camera set, comprise an image candid photograph camera subarray separately.Image is captured the camera subarray and is comprised: davit bar number candid photograph camera set in strut rod candid photograph camera and the tunnel outside contact net support locating device image candid photograph camera and the tunnel, wherein supporting locating device to capture camera set comprises: five contact nets support locating device topography to capture camera, a contact net supports the locating device global image to capture camera and six LED light filling lamps, each described LED light filling lamp is controlled by a camera respectively, described contact net supports locating device candid photograph camera set to be fixed on the described camera support by the matrix form of four lines three row, its visual field of taking pictures has covered whole described contact net and has supported locating device, wherein:
First row from left to right is followed successively by: at the first local camera of first critical area, and overall camera and at the second local camera of second critical area;
Second row is three LED light filling lamps of contact net image candid photograph camera light filling;
The third line from left to right is followed successively by the 3rd local camera at the 3rd critical area, at the 5th local camera of the 5th critical area with at the 4th local camera of the 4th critical area;
Fourth line is remaining three LED light filling lamp;
Described five critical areas have covered whole parts that described contact net is supported locating device, comprising whether flashover breakage of insulator, at critical area one and critical area three; Whether the split pin on the parts exists, in critical area one, two, three, five; Whether the ears sleeve exists gets loose and crackle, at critical area two; Whether the sleeve pipe monaural exists gets loose and crackle, at critical area one and critical area five; The carrier cable base for supporting whether get loose and crackle and base on parallel lines whether exist, at critical area two; Whether windproof backguy broken lot, and whether windproof backguy stay hook adorn instead, at critical area four; Five described local cameras are also captured described contact net and are supported whether the screw on the locating device exists loosening image; Wherein overall camera is used for capturing the image that described whole contact net is supported locating device; Bar number and davit number are captured the 4th row that camera set constitutes described matrix, be followed successively by from top to bottom, bar identification camera, bar number identification LED light filling lamp, davit identification camera and davit number identification LED light filling lamp, above-mentioned whole camera has constituted the camera matrix of a 4*4, is called image and captures the camera subarray;
The framing flip flop equipment, the external trigger end of supporting locating device to capture each camera in the camera set with the contact net in described four groups of camera subarrays links to each other, and every camera flash-light drive end links to each other with the triggering input control end of corresponding LED light filling lamp simultaneously; And receive 8 bars number in four groups of camera subarrays and the realtime graphic of davit identification camera, and produce to trigger and take order, described framing flip flop equipment sends image according to following steps to each camera and captures steering order:
Step (1): when static state, set each described pillar number, the position of davit candid photograph camera, namely these two kinds of cameras are calibrated, determined a davit position when the picture centre position and overall camera and local camera can both be known and intactly photograph the picture that the contact net of correspondence position is separately supported locating device;
Step (2): in train is advanced, obtain the strut rod number of dynamic change or the image of davit position in real time by pillar number and davit candid photograph camera, and give the analysis image of the controller in the framing flip flop equipment;
Step (3): when the framing flip flop equipment analyzes the captured image of pillar camera or davit camera when arriving step (1) the picture centre position of calibrating and namely capturing the position, send for corresponding camera array by the framing flip flop equipment and capture instruction, after camera receives the candid photograph instruction that the framing flip flop equipment sends, carry out on one side image exposure and drive the mouth instruction of flashing by flashlamp simultaneously, receive to glisten after flash of light is instructed with described LED light filling lamp captured object is carried out polishing;
Image inventory analysis unit mainly comprises image storage server, the bar number figure of the pillar that candid photograph is arrived in image storage unit reception image acquisition array element candid photograph image of camera and the industrial control computer or davit.Server obtains contact net support the bar figure of the overall situation figure of locating device and part and pillar davit after, by software algorithm every width of cloth image is analyzed automatically, and is obtained testing result.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310140890.1A CN103278510B (en) | 2013-04-22 | 2013-04-22 | A kind of electrification railway contact net supports the visual light imaging pick-up unit of locating device |
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| CN201310140890.1A CN103278510B (en) | 2013-04-22 | 2013-04-22 | A kind of electrification railway contact net supports the visual light imaging pick-up unit of locating device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105389824A (en) * | 2015-12-14 | 2016-03-09 | 江苏新绿能科技有限公司 | Calibration apparatus and calibration method for optical imaging device of electrified railway catenary |
| CN105676566A (en) * | 2016-04-15 | 2016-06-15 | 四川隧唐科技股份有限公司 | Tunnel image collection and light supplement device |
| CN105954008A (en) * | 2016-06-07 | 2016-09-21 | 江南工业集团有限公司 | Real-time fiber winding defect visual inspection device based on double CDDs |
| CN107343171A (en) * | 2017-06-28 | 2017-11-10 | 中国铁道科学研究院 | Contact net standard picture storehouse harvester and its method of work |
| CN108132480A (en) * | 2018-03-07 | 2018-06-08 | 成都天佑路航轨道交通科技有限公司 | A kind of line sky positioning and trigger device |
| CN109489724A (en) * | 2018-12-03 | 2019-03-19 | 大连维德轨道装备有限公司 | A kind of tunnel safe train operation environment comprehensive detection device and detection method |
| CN109668896A (en) * | 2018-12-19 | 2019-04-23 | 成都精工华耀科技有限公司 | A kind of contact net rigid support device defect detection timesharing omnidirectional imaging system |
| CN112255973A (en) * | 2019-07-02 | 2021-01-22 | 库卡机器人(广东)有限公司 | Target detection method, detection terminal and storage medium in industrial production system |
| CN113556474A (en) * | 2021-09-23 | 2021-10-26 | 西南交通大学 | Trigger shooting method and device for rigid contact net suspension device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105389824A (en) * | 2015-12-14 | 2016-03-09 | 江苏新绿能科技有限公司 | Calibration apparatus and calibration method for optical imaging device of electrified railway catenary |
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| CN105676566A (en) * | 2016-04-15 | 2016-06-15 | 四川隧唐科技股份有限公司 | Tunnel image collection and light supplement device |
| CN105954008A (en) * | 2016-06-07 | 2016-09-21 | 江南工业集团有限公司 | Real-time fiber winding defect visual inspection device based on double CDDs |
| CN107343171A (en) * | 2017-06-28 | 2017-11-10 | 中国铁道科学研究院 | Contact net standard picture storehouse harvester and its method of work |
| CN108132480A (en) * | 2018-03-07 | 2018-06-08 | 成都天佑路航轨道交通科技有限公司 | A kind of line sky positioning and trigger device |
| CN109489724A (en) * | 2018-12-03 | 2019-03-19 | 大连维德轨道装备有限公司 | A kind of tunnel safe train operation environment comprehensive detection device and detection method |
| CN109668896A (en) * | 2018-12-19 | 2019-04-23 | 成都精工华耀科技有限公司 | A kind of contact net rigid support device defect detection timesharing omnidirectional imaging system |
| CN112255973A (en) * | 2019-07-02 | 2021-01-22 | 库卡机器人(广东)有限公司 | Target detection method, detection terminal and storage medium in industrial production system |
| CN113556474A (en) * | 2021-09-23 | 2021-10-26 | 西南交通大学 | Trigger shooting method and device for rigid contact net suspension device |
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| CN103278510B (en) | 2016-03-02 |
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