CN104210500A - Overhead lines suspension state detecting and monitoring device and working method thereof - Google Patents

Overhead lines suspension state detecting and monitoring device and working method thereof Download PDF

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Publication number
CN104210500A
CN104210500A CN201410446912.1A CN201410446912A CN104210500A CN 104210500 A CN104210500 A CN 104210500A CN 201410446912 A CN201410446912 A CN 201410446912A CN 104210500 A CN104210500 A CN 104210500A
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China
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contact line
overhead contact
filming
image
data handler
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CN201410446912.1A
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CN104210500B (en
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王燕国
孙忠国
谢大鹏
张文轩
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China Academy of Railway Sciences Corp Ltd CARS
Infrastructure Inspection Institute of CARS
Beijing IMAP Technology Co Ltd
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China Academy of Railway Sciences Corp Ltd CARS
Infrastructure Inspection Institute of CARS
Beijing IMAP Technology Co Ltd
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Abstract

The invention provides an overhead lines suspension state detecting and monitoring device and a working method thereof, wherein the overhead lines suspension state detecting and monitoring device comprises a positioning triggering device and a shooting device; the positioning triggering device is used for triggering the shooting device to snap-shot an front image of an overhead lines suspension system when detecting that the distance between a detection vehicle and the overhead lines suspension system in the driving direction reaches a first threshold, and triggering the shooting device to snap-shot a back image of the overhead lines suspension system when detecting that distance between the detection vehicle and the overhead lines suspension system reaches a second threshold after the detection vehicle passes the overhead lines suspension system; the shooting device is connected with the positioning triggering device, and is used for snap-shooting the front image and the back image of the overhead lines suspension system. The overhead lines suspension state detecting and monitoring device solves the technical problems of overcomplicated detection process, poor detection efficiency and low accuracy due to the manual detecting on the overhead lines suspension system, and achieves the technical effects of effectively improving the detection efficiency and the accuracy of detection results.

Description

Overhead contact line state-detection monitoring device and method of work thereof
Technical field
The present invention relates to the detection technique field of overhead contact line system, particularly a kind of overhead contact line state-detection monitoring device and method of work thereof.
Background technology
Contact system comprises contact suspension, location supportive device, the isostructural complication system of compensating device, in contact system operation maintenance, " scarce, loose, de-, disconnected " class fault of elements of contacting net accounts for larger ratio in contact system potential safety hazard, for applied to high-speed railway touching net, due to the increase of contact wire and catenary tension force, stressed and the vibration of each elements of contacting net also can significantly increase, and the safety problem of elements of contacting net is more outstanding.
For the detection of above-mentioned overhead contact line state, still the mode of manual inspection is adopted at present, namely detected by special supervisory personnel, but this traditional manual inspection mode work capacity is large, and also needs to make contact system be in power down mode in the process of patrolling and examining and need the job mix condition of the complexity such as rail vehicle job platform.
But, because high speed railway circuit is mostly omnidistance blockade, can only carry out in very limited Window time the examination and maintenance of contact system suspension status, labour intensity is large, inefficiency, and the restriction of night light condition can be subject to, be easy to occur undetected situation, be difficult to the needs adapting to the efficient repair and maintenance of contact system.
Summary of the invention
Embodiments provide a kind of overhead contact line state-detection monitoring device, be arranged on inspection vehicle, to improve detection efficiency and the testing result accuracy of overhead contact line system, this device comprises:
Orientation triggering device, for detecting that described inspection vehicle is at direction of traffic, and when the distance between overhead contact line system reaches first threshold, trigger the direct picture that filming apparatus captures described overhead contact line system, at described inspection vehicle after described overhead contact line system, and and distance between described overhead contact line system reaches Second Threshold time, trigger the verso images that described filming apparatus captures described overhead contact line system;
Described filming apparatus, is connected with described orientation triggering device, for capturing direct picture and the verso images of described overhead contact line system.
In one embodiment, this overhead contact line state-detection monitoring device also comprises: light source, is connected with described orientation triggering device, for when described filming apparatus is captured described overhead contact line system, carries out light filling.
In one embodiment, described filming apparatus comprises: the first shooting unit and the second shooting unit, wherein, described first shooting unit is for capturing the direct picture of described overhead contact line system, and described second shooting unit is for capturing the verso images of described overhead contact line system.
In one embodiment, this overhead contact line state-detection monitoring device also comprises: data handler, be arranged in described inspection vehicle, store for the direct picture of described overhead contact line system captured described filming apparatus and verso images and analyze.
The embodiment of the present invention additionally provides a kind of method of work of above-mentioned overhead contact line state-detection monitoring device, comprising:
Orientation triggering device is detecting that inspection vehicle is on direction of traffic, and when the distance between overhead contact line system reaches first threshold, trigger the direct picture that filming apparatus captures described overhead contact line system, at described inspection vehicle after described overhead contact line system, and and distance between described overhead contact line system reaches Second Threshold time, trigger the verso images that described filming apparatus captures described overhead contact line system;
Filming apparatus, under the triggering of described orientation triggering device, captures direct picture or the verso images of described overhead contact line system.
In one embodiment, after the direct picture capturing described overhead contact line system at described filming apparatus or verso images, described method also comprises:
Described filming apparatus will capture the direct picture and/or verso images that arrive, be sent to data handler;
Described data handler stores described direct picture and/or verso images and analyzes.
In one embodiment, described filming apparatus after image, carries out serial number according to the order of image acquisition to image in candid photograph.
In one embodiment, after the direct picture capturing described overhead contact line system at described filming apparatus or verso images, before the image captured is sent to data handler, described method also comprises:
Described data handler sends a check information to described filming apparatus, wherein, carries the correct numbering of the image that current shooting device is captured in described check information;
If the numbering of the image that current shooting device is captured is not identical with the numbering of carrying in described check information, then produce alarm message, if identical, then according to the numbering of carrying in described check information, image is numbered.
In one embodiment, before described orientation triggering device detects the distance between described inspection vehicle and overhead contact line system, described method also comprises:
The unique identification that described data handler reception server sends, wherein, described unique identification is for identifying this image acquisition process;
Described data handler receives the unique identification that described server sent every the schedule time, and the unique identification of the unique identification be currently received and storage is compared;
If different, then described data handler produces alarm message, if identical, then proceeds image acquisition.
In one embodiment, described data handler stores the image that described filming apparatus collects and analyzes, and comprising:
Described data handler, by the image of current for described filming apparatus this position to be measured collected, contrasts with the standard picture of this position to be measured;
If different, then determine that overhead contact line system exists abnormal, produce alarm message.
In embodiments of the present invention, provide a kind of overhead contact line state-detection monitoring device, this device is arranged on inspection vehicle, comprise: orientation triggering device and filming apparatus, orientation triggering device, when detecting that the distance between inspection vehicle and overhead contact line system reaches desired location, can trigger the image that filming apparatus captures overhead contact line system.Solving by the way in prior art needs to be detected contact system suspension by manual type and the testing process caused is too numerous and diverse, the efficiency detected and the not high technical matters of accuracy, reach the technique effect effectively improving efficiency and the testing result accuracy detected.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part, does not form limitation of the invention.In the accompanying drawings:
Fig. 1 is the structural representation of the overhead contact line state-detection monitoring device of the embodiment of the present invention;
Fig. 2 is the overhead contact line state-detection monitoring device using method diagram of circuit of the embodiment of the present invention;
Fig. 3 is the roof apparatus structural representation of the car body of the carrying overhead contact line state-detection monitoring device of the embodiment of the present invention;
Fig. 4 is the in-vehicle device structural representation of the car body of the carrying overhead contact line state-detection monitoring device of the embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment and accompanying drawing, the present invention is described in further details.At this, exemplary embodiment of the present invention and illustrating for explaining the present invention, but not as a limitation of the invention.
If consider in prior art and need to detect contact system suspension, testing staff needs when contact system is in power down mode, step on contact system and carry out manual detection, this Method compare trouble, and alerting ability is lower, for the problems referred to above, contriver finds to manufacture a device for detecting contact system suspension, this device is set to the pattern of car, on the top of car, camera is set, then car is allowed to orbit, when running into the position needing to detect, take pictures with regard to starting camera, then the photo collected is transmitted back in car body or processing enter, thus the detection of overhead contact line system is carried out according to these photos obtained, and step on contact system without the need to testing staff and detect, also without the need to carrying out power down process to contact system.
The overhead contact line state-detection monitoring device that the embodiment of the present invention provides, is arranged on inspection vehicle 100 as shown in Figure 1, comprises:
Orientation triggering device 101, for detecting that inspection vehicle 100 is at direction of traffic, and when the distance between overhead contact line system reaches first threshold, trigger the direct picture that filming apparatus 102 captures described overhead contact line system, at inspection vehicle 100 after overhead contact line system, and and distance between overhead contact line system reaches Second Threshold time, trigger the verso images that filming apparatus 102 captures described overhead contact line system;
Filming apparatus 102, is connected with orientation triggering device 101, for capturing direct picture and the verso images of overhead contact line system.
In the above-described embodiments, provide a kind of overhead contact line state-detection monitoring device, this device is arranged on inspection vehicle, comprise: orientation triggering device and filming apparatus, orientation triggering device, when detecting that the distance between inspection vehicle and overhead contact line system reaches desired location, can trigger the image that filming apparatus captures overhead contact line system.Solving by the way in prior art needs to be detected contact system suspension by manual type and the testing process caused is too numerous and diverse, the efficiency detected and the not high technical matters of accuracy, reach the technique effect effectively improving efficiency and the testing result accuracy detected.
Consider that illumination is not sometimes very sufficient, the picture that filming apparatus grabs in this case is not very clear, in order to make the photo taken more clear, can be that this equipment installs light source, for when filming apparatus 102 pairs of contact system suspension are captured, carry out light filling.This light source can be kept on all in testing process, also can only open when taking pictures, system can set accordingly to it, if opened when only taking pictures, so this light source can be connected with filming apparatus or orientation triggering device, this light source of unlatching can be triggered like this carry out light filling while taking pictures, effectively to improve the visibility of the image captured.
Because in the process of carrying out image acquisition, need to gather the image of multiple position (such as: pillar, bracket, steady arm etc.), a pick up camera must be difficult to all operations, therefore, above-mentioned filming apparatus can comprise multiple camera head, namely a shooting unit is formed by multiple pick up camera, each pick up camera is respectively used to carry out image acquisition to different positions, further, because need shooting direct picture and verso images, above-mentioned filming apparatus 102 can comprise two shooting units, that is: the first shooting unit and the second shooting unit, wherein, first shooting unit is for capturing the direct picture of described overhead contact line system, second shooting unit is for capturing the verso images of described overhead contact line system.
During concrete enforcement, can also comprise in above-mentioned overhead contact line state-detection monitoring device: data handler, be arranged in inspection vehicle 100, store for the direct picture of overhead contact line system captured filming apparatus 102 and verso images and analyze.This data handler can be arranged on the inside of inspection vehicle, also can separate with car body, independently operate on backstage, carry out processing as long as the data collected wirelessly are reached backstage by filming apparatus, the position of concrete data handler does not limit at this.
Based on overhead contact line system detecting device as shown in Figure 1, the embodiment of the present invention additionally provides a kind of method of work of overhead contact line state-detection monitoring device, as shown in Figure 2, comprises the following steps:
Step 201: orientation triggering device is detecting that inspection vehicle is on direction of traffic, and when the distance between overhead contact line system reaches first threshold, trigger the direct picture that filming apparatus captures described overhead contact line system, at described inspection vehicle after described overhead contact line system, and and distance between described overhead contact line system reaches Second Threshold time, trigger the verso images that described filming apparatus captures described overhead contact line system;
Step 202: filming apparatus, under the triggering of described orientation triggering device, captures direct picture or the verso images of described overhead contact line system.
After above-mentioned steps 202, can also comprise: described filming apparatus will capture the direct picture and/or verso images that arrive, be sent to data handler; Described data handler stores described direct picture and/or verso images and analyzes.That is, the image collected as long as get site plan picture to be measured, the detection of overhead contact line system can so just be carried out according to image, because effectively can reflect the state that overhead contact line system is current.
In the concrete process implemented, in order to follow-up image that can be effectively corresponding to each position to be measured identifies, filming apparatus, after candid photograph image, carries out serial number according to the order of image acquisition to image.
After above-mentioned steps 202, before the image that candid photograph collects is sent to data handler, said method also comprises: data handler sends a check information to filming apparatus, wherein, the correct numbering of the image that current shooting device is captured is carried in check information, if the numbering of the image that current shooting device is captured is not identical with the numbering of carrying in described check information, then produce alarm message, if identical, then according to the numbering of carrying in described check information, image is numbered.Namely, whether the numbering being detected the image collected by a check information is correct, if there is the situation that the numbering in the check information provided is not inconsistent with actual picture number, then show that the current numbering to image goes wrong, need to carry out checking and adjusting.
Consider that picture is that order is numbered in the process of image acquisition once, if there is the situation of power-off or system reboot in midway, after the image that collects can again be numbered from 1 in order, and cause the follow-up data obtained to misfit, in order to overcome this problem, in one embodiment, before orientation triggering device detects the distance between described inspection vehicle and overhead contact line system, also comprise: the unique identification that data handler reception server sends, wherein, this unique identification is for identifying this image acquisition process, the unique identification that data handler reception server sent every the schedule time, and the unique identification of the unique identification be currently received and storage is compared, if different, then data handler produces alarm message, if identical, then proceeds image acquisition.Namely, server is that image acquisition each time all distributes a unique identification, in secondary image acquisition process, server just sends once this unique identification every the schedule time, so that check implement can determine whether current be this image acquisition process, thus avoids the entanglement that system cut-off restarts the image acquisition process caused.Get collection overhead contact line system all parts graphicinformation after, the mode that can gather machine recognition detects contact system suspension, such as, data handler can by the image of position to be measured in the current overhead contact line system collected, the standard picture of this position to be measured collected with the last time contrasts, if different, then determine that overhead contact line system exists abnormal, produce alarm message.Above-mentioned standard picture needs to be the image without breakdown of equipment, but can not be single image, can be by multi collect to correct images fusion.Such as, multiple that can obtain this position to be measured, without image when breakdown of equipment, then carry out model learning and renewal to these multiple images, using the result of study as standard picture.If break down in some place of equipment (such as, lack, send, take off, break), the image so after fault and standard picture are different, by just effectively can determine the failure condition of system to the contrast of picture.Equally, artificial contrast's mode also can be adopted to carry out, and namely testing staff analyzes one by one according to photo and contrasts, and breaks down to check whether.
Detect monitoring device below in conjunction with a specific embodiment to contact system suspension status to be described, this monitoring device can be implemented in Window time efficiently patrolling and examining applied to high-speed railway touching net, so that Timeliness coverage and process contact system potential faults, the roof of this monitoring equipment can as shown in Figure 3, comprise:
Orientation triggering device 301, davit bar number and davit top capture camera head 302, upright post rod number and camera head 303 is captured on davit top, camera head 304 captured by contact clip, forward and reverse positioning lock 305, contact system capture camera head 306, light source driver module 307 etc., wherein, each above-mentioned camera head is all high-resolution camera head, for the high-definition picture of each locating point of Real-time Collection (i.e. position to be detected) place overhead contact line system parts, and view data is real-time transmitted in inspection vehicle, to carry out follow-up analyzing and processing; The actuating device of light supply apparatus and light source, for carrying out floor light to system; Orientation triggering device, for detecting the position of pillar or davit, and triggers camera head and locates candid photograph accurately.In-vehicle device structure as shown in Figure 4, can comprise: telltale, control and power supply, acquisition and storage device, server, operator's station, wherein server etc. for the treatment of device be all processing equipment at a high speed, for carrying out high-resolution image acquisition, storage and analyzing and processing.Can without the need under contact system outage condition by above-mentioned check implement, carry out automatic detecting mainly for the key equipment of contact system overhead contact line system and spare parts logistics.
Concrete, high-resolution pick-up device in this check implement is installed on inspection vehicle roof, comprise: pillar/davit global image acquisition module and local image capture module, each topography's acquisition module mainly carries out high-definition image shooting respectively for each parts such as steady arm, bracket insulator.Wherein, also comprise in high-resolution pick-up device: pillar/davit bar acquisition module, is installed on inspection vehicle roof both sides, for taking the high definition bar image of pillar and davit.
Above-mentioned orientation triggering device can be adopt high-precision laser positioning sensor, mainly for detection of the accurate location of pillar or davit, and provide real-time energizing signal to camera head, so that triggering system is locating candid photograph accurately with pillar or davit fixed range position.
In order to realize can realizing actv. image acquisition in the process of inspection vehicle up-downgoing, above-mentioned high-resolution pick-up device, light supply apparatus, orientation triggering device, respectively can install a set of in direction forward, backward, to adapt to the needs of the different direction of traffic of inspection vehicle, the shooting of contact suspension parts tow sides high-definition image.
In the inside of inspection vehicle, high speed image acquisition and processing server can be installed, utilize the signal of orientation triggering device, trigger high-resolution pick-up device and carry out contact suspension parts image acquisition, storage and analyzing and processing.
In each embodiment above-mentioned, the image of acquisition can be high-resolution image, thus makes the graphical information of acquisition more accurately clear, and the result of analysis is more accurate.
In another embodiment, additionally provide a kind of software, this software is for performing the technical scheme described in above-described embodiment and preferred implementation.
In another embodiment, additionally provide a kind of storage medium, store above-mentioned software in this storage medium, this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.
From above description, can find out, the embodiment of the present invention achieves following technique effect: provide a kind of overhead contact line state-detection monitoring device, this device is arranged on inspection vehicle, comprise: orientation triggering device and filming apparatus, orientation triggering device, when detecting that the distance between inspection vehicle and overhead contact line system reaches desired location, can trigger the image that filming apparatus captures overhead contact line system.Solving by the way in prior art needs to be detected contact system suspension by manual type and the testing process caused is too numerous and diverse, the efficiency detected and the not high technical matters of accuracy, reach the technique effect effectively improving efficiency and the testing result accuracy detected.
Obviously, those skilled in the art should be understood that, each module of the above-mentioned embodiment of the present invention or each step can realize with general computer device, they can concentrate on single computer device, or be distributed on network that multiple computer device forms, alternatively, they can realize with the executable program code of computer device, thus, they can be stored and be performed by computer device in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the embodiment of the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the embodiment of the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. an overhead contact line state-detection monitoring device, is characterized in that, is arranged on inspection vehicle, and described overhead contact line state-detection monitoring device, comprising:
Orientation triggering device, for detecting that described inspection vehicle is at direction of traffic, and when the distance between overhead contact line system reaches first threshold, trigger the direct picture that filming apparatus captures described overhead contact line system, at described inspection vehicle after described overhead contact line system, and and distance between described overhead contact line system reaches Second Threshold time, trigger the verso images that described filming apparatus captures described overhead contact line system;
Described filming apparatus, is connected with described orientation triggering device, for capturing direct picture and the verso images of described overhead contact line system.
2. overhead contact line state-detection monitoring device as claimed in claim 1, is characterized in that, also comprise: light source, be connected with described orientation triggering device, for when described filming apparatus is captured described overhead contact line system, carries out light filling.
3. overhead contact line state-detection monitoring device as claimed in claim 1, it is characterized in that, described filming apparatus comprises: the first shooting unit and the second shooting unit, wherein, described first shooting unit is for capturing the direct picture of described overhead contact line system, and described second shooting unit is for capturing the verso images of described overhead contact line system.
4. overhead contact line state-detection monitoring device as claimed any one in claims 1 to 3, it is characterized in that, also comprise: data handler, be arranged in described inspection vehicle, store for the direct picture of described overhead contact line system captured described filming apparatus and verso images and analyze.
5. a method of work for the overhead contact line state-detection monitoring device according to any one of Claims 1-4, is characterized in that, comprising:
Orientation triggering device is detecting that inspection vehicle is on direction of traffic, and when the distance between overhead contact line system reaches first threshold, trigger the direct picture that filming apparatus captures described overhead contact line system, at described inspection vehicle after described overhead contact line system, and and distance between described overhead contact line system reaches Second Threshold time, trigger the verso images that described filming apparatus captures described overhead contact line system;
Filming apparatus, under the triggering of described orientation triggering device, captures direct picture or the verso images of described overhead contact line system.
6. method as claimed in claim 5, is characterized in that, after the direct picture capturing described overhead contact line system at described filming apparatus or verso images, described method also comprises:
Described filming apparatus will capture the direct picture and/or verso images that arrive, be sent to data handler;
Described data handler stores described direct picture and/or verso images and analyzes.
7. method as claimed in claim 6, is characterized in that, described filming apparatus after image, carries out serial number according to the order of image acquisition to image in candid photograph.
8. method as claimed in claim 7, is characterized in that, after the direct picture capturing described overhead contact line system at described filming apparatus or verso images, before the image captured is sent to data handler, described method also comprises:
Described data handler sends a check information to described filming apparatus, wherein, carries the correct numbering of the image that current shooting device is captured in described check information;
If the numbering of the image that current shooting device is captured is not identical with the numbering of carrying in described check information, then produce alarm message, if identical, then according to the numbering of carrying in described check information, image is numbered.
9. method as claimed in claim 6, it is characterized in that, before described orientation triggering device detects the distance between described inspection vehicle and overhead contact line system, described method also comprises:
The unique identification that described data handler reception server sends, wherein, described unique identification is for identifying this image acquisition process;
Described data handler receives the unique identification that described server sent every the schedule time, and the unique identification of the unique identification be currently received and storage is compared;
If different, then described data handler produces alarm message, if identical, then proceeds image acquisition.
10. method as claimed in claim 6, it is characterized in that, described data handler stores the image that described filming apparatus collects and analyzes, and comprising:
Described data handler, by the image of current for described filming apparatus this position to be measured collected, contrasts with the standard picture of this position to be measured;
If different, then determine that overhead contact line system exists abnormal, produce alarm message.
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