CN202098297U - Automatic inspecting device of key overhead contact network components - Google Patents
Automatic inspecting device of key overhead contact network components Download PDFInfo
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- CN202098297U CN202098297U CN201120218468XU CN201120218468U CN202098297U CN 202098297 U CN202098297 U CN 202098297U CN 201120218468X U CN201120218468X U CN 201120218468XU CN 201120218468 U CN201120218468 U CN 201120218468U CN 202098297 U CN202098297 U CN 202098297U
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Abstract
The utility model discloses an automatic inspecting device of key overhead contact network components, which comprises a hanging post distinguishing and locating module, a hanging post snap shooting and imaging module, a contact line continuous imaging module and an operation comprehensive managing module. The output end of the hanging post distinguish and locating module is connected with the hanging post snap shooting and imaging module, and the hanging post snap shooting and imaging module is connected with the operation comprehensive management module which is connected with the contact line continuous imaging module. When in browsing, the automatic inspecting device does not need to locate positions of a contact network in a video through human visual mode, thereby consuming less time. The automatic inspecting device is high in definition and can well discover faulty in partial key components, and the overhead contact network components are integrally imaged with high definition.
Description
Technical field
The utility model relates to a kind of railway contact line detecting device, particularly relates to a kind of contact network key and hangs automatic inspection device.
Background technology
Electrification railway contact net is a kind of supply line of special shape, is the important foundation facility that guarantees electrically-driven car is provided highly reliable power supply.Contact system Infrastructure is built along railway completely, is exposed to open-air harsh environment, in case when equipment breakdown takes place, not only cause the certain economic loss, and seriously disturb the electrified railway transportation safety.Therefore in the operation process of electrified railway, must carry out a series of Contact Line Detection work, so that in time scent a hidden danger and handle the problem of existence.
Present stage, the Contact Line Detection means are single relatively, mainly are that the contact system geometric parameter is detected.And to the detection of defectives such as " pine, take off, disconnected " of elements of contacting net (being crucial hanging equipment), insulating element flashover, mainly rely on artificial upper track to make an inspection tour and carry out.Not only labour intensity is big for this mode, inefficiency, and receives the limitation and the uneven restriction of worker's professional qualities of night light, very easily omission and stay hidden danger.
The domestic method of inspection that the visual imaging of proposition contact system is also arranged of China mainly is with pick up camera or camera railway to be taken along the line continuously.This mode can't accurately be located the image that comprises crucial hanging equipment, need the position of labor time by contact system in artificial vision's positioning video when browsing, and visibility is not high, can't find local critical component fault.Also there is the foreign department subset to use line-scan digital camera to gather the contact system parts of images, carries out the auxiliary judgment dimensional discrepancy.All the contact system hanging equipment is not carried out whole high-resolution imaging in the detection mode now.
The utility model content
To the problem that prior art exists, the utility model provides a kind of contact network key to hang automatic inspection device, to solve deficiency of the prior art.
For solving the problems of the technologies described above; The utility model is realized through following technical scheme: a kind of contact network key hangs automatic inspection device; Comprise a davit identification positioning module, davit candid photograph image-forming module, contact wire continuous imaging module and operation comprehensive management module; The mouth of said davit identification positioning module is captured image-forming module with said davit and is connected; Said davit captured image-forming module and is connected with said operation comprehensive management module; Said operation comprehensive management module also is connected with said contact wire continuous imaging module; Said davit identification positioning module is made up of line-scan digital camera acquisition module, linear array images identification module, bar position information check-out module and candid photograph trigger control module; Said bar position information check-out module is made up of mileage speed detection module, bar kilometer post check-out module and upper computer serial communication module; Said davit captured image-forming module by capturing the imaging acquisition module, turning to platform control module and stroboscopic light filling control module to form, and said contact wire continuous imaging module is made up of continuous imaging acquisition module and continuous light filling control module, and said operation comprehensive management module is made up of function test administration module, operational factor initial adjustment module, image-forming information administration module and serial communication administration module; Said function test administration module is made up of camera function test module and stroboscopic function test module, and said operational factor initial adjustment module is selected module, turned to platform initialization module and camera initialization module to form by mode of operation.
Further technical scheme, said line-scan digital camera acquisition module is made up of laser transimitter, filter, long focal lengh lenses, line-scan digital camera, high speed data cable, image data acquiring card and industrial computer.
Technical scheme further, said candid photograph trigger control module is made up of with digital signal output function plug-in card embedded triggering functional circuit plate and industrial computer.
Technical scheme further, said mileage speed detection module is made up of industrial computer in photoelectric sensor, digital signal acquiring card and the car.
Technical scheme further, said candid photograph imaging acquisition module is captured a camera set, PCI-Express and performance-oriented server by a davit registration device and is formed.
Technical scheme further, said continuous imaging acquisition module comprise that contact wire takes camera set, PCI-Express and high-performance server continuously.
Technical scheme further saidly turns to the platform control module davit registration device is captured the vehicle-mounted The Cloud Terrace of camera set, the cradle head control device on the server is formed by installing.
Compared with prior art; The beneficial effect of the utility model is: do not need the labor time to lean on the position of contact system in artificial vision's positioning video when browsing; And visibility is higher; Can find the fault of local critical component well, the contact system hanging equipment has been carried out the imaging of single-piece high-resolution; The utility model is the vehicle-mounted contact system line walking check implement of integrated crucial suspension positioning function, high-definition image candid photograph, stroboscopic light filling mode, picture comprehensive management technology; The main crucial suspension blur-free imaging of (comprising contact wire, registration device, line trouble facility, overlap, electric segmentation and electric phase splitting device) of realizing provides the generalized information management of its image of user, route lever number and kilometer post information.
Description of drawings
Fig. 1 hangs the functional-block diagram of automatic inspection device for the utility model contact network key;
Among the figure: 1-props up davit identification positioning module, 11-line-scan digital camera acquisition module, 12-linear array images identification module, 13-bar position information check-out module; 1301-mileage speed detection module, 1302-bar kilometer post check-out module, 1303-upper computer serial communication module, 14-captures trigger control module; 2-props up davit and captures image-forming module, and 21-captures the imaging acquisition module, and 22-turns to the platform control module, 23-stroboscopic light filling control module; 3-contact wire continuous imaging module, 31-continuous imaging acquisition module, the continuous light filling control module of 32-, 4-operation comprehensive management module; 41-function test administration module, 4101-camera function test module, 4102-stroboscopic function test module; 42-operational factor initial adjustment module, the 4201-mode of operation is selected module, and 4202-turns to the platform initialization module; 4203-camera initialization module, 43-image-forming information administration module, 44-serial communication administration module.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to specify.
Embodiment:
As shown in Figure 1, a kind of contact network key hangs automatic inspection device, comprises a davit identification positioning module 1, davit candid photograph image-forming module 2, contact wire continuous imaging module 3 and operation comprehensive management module 4.The mouth of said davit identification positioning module 1 is captured image-forming module 2 with said davit and is connected; Said davit captured image-forming module 2 and is connected with said operation comprehensive management module 4, and said operation comprehensive management module 4 also is connected with said contact wire continuous imaging module 3.Said davit identification positioning module 1 is made up of line-scan digital camera acquisition module 11, linear array images identification module 12, bar position information check-out module 13 and candid photograph trigger control module 14.Said bar position information check-out module 13 is made up of mileage speed detection module 1301, bar kilometer post check-out module 1302 and upper computer serial communication module 1303.Said davit captured image-forming module 2 by capturing imaging acquisition module 21, turning to platform control module 22 and continuous light filling control module 32 to form.Said contact wire continuous imaging module 3 is made up of continuous imaging acquisition module 31 and light filling control module 32 continuously, and said continuous imaging acquisition module 31 comprises that contact wire takes camera set, PCI-Express and performance-oriented server continuously.Said operation comprehensive management module 4 is made up of function test administration module 41, operational factor initial adjustment module 42, image-forming information administration module 43 and serial communication administration module 44; Said function test administration module 41 is made up of camera function test module 4101 and stroboscopic function test module 4102, and said operational factor initial adjustment module 42 is selected module 4201, turned to platform initialization module 4202 and camera initialization module 4203 to form by mode of operation.
Said line-scan digital camera acquisition module 11 is made up of laser transimitter, filter, long focal lengh lenses, line-scan digital camera, high speed data cable, image data acquiring card and industrial computer.The function that this module realizes is: with the illuminated with laser light object, line-scan digital camera effectively forms images under long focal lengh lenses and filter subsidiary conditions, and the line-scan digital camera imaging data is delivered in the car industrial computer handles.
Said linear array images identification module 12 is a data processing platform (DPP) with industrial computer in the car, realizes the analyzing and processing to the line-scan digital camera imaging data.Under different line conditions, the application self-adapting mode identification method extracts object characteristic in the image, through its actual space length of its location determination in image, disturbs thereby get rid of, and judges that object exists at current time.
Said bar position information check-out module 13 through the external speed sensor input, calculates mileage judging that object calls when existing, and Query Database is known current bar information, and exports to server through serial ports.
Said candid photograph trigger control module 14 is made up of with digital signal output function plug-in card embedded triggering functional circuit plate and industrial computer.It realizes function: receive the order that multi-functional industrial computer sends, send each the road energizing signal that triggers camera on request.
Said mileage speed detection module 1301 is made up of speed sensor, digital signal acquiring card and the industrial computer that is installed in the train.Photoelectric tachometric transducer and locomotive axle agree with, and its data are input to industrial computer in the car through the digital signal acquiring card, and industrial computer is as the data processing platform (DPP) of mileage speed calculation.
Said bar kilometer post check-out module 1302 is to run on the functional module on the multi-functional industrial computer in the car, through the mileage Query Database that obtains, thus cooresponding station district, bar information when obtaining object and existing constantly.
Said upper computer serial communication module 1303 is made up of industrial computer serial ports and communications control software, realizes that industrial computer in time sends to the IMAQ server with the bar position information that detects.
Said candid photograph imaging acquisition module 21 is captured camera set, PCI-Express and high-performance server by a davit registration device and is formed.Prop up davit registration device candid photograph camera set and comprise 4 camera set, each camera set is made up of 6 high-resolution imaging high speed cameras.4 camera set are captured front, the reverse side image of davit in the inside and outside pillar in tunnel, the tunnel respectively.Each camera set is made up of 6 high-resolution imaging high speed cameras, and wherein 1 camera is used for the registration device pan-shot, all the other 4 cameras taken respectively in the panorama scope upper left, upper right a, left side down, the local detail image of bottom right, zone line.This device is installed at roof, and camera amasthenic lens and shooting angle scalable can be adjusted camera quantity and photographic subjects zone according to user's request.
The said platform control module 22 that turns to is made up of the vehicle-mounted The Cloud Terrace of an installation davit registration device candid photograph camera set, the cradle head control device on the server.Server sends control command through the RS485 serial ports, can control the angular adjustment that vehicle-mounted The Cloud Terrace carries out level, vertical direction, thereby the taking lens direction is registered to the target area of concern.
Said continuous light filling control module 32 is selected HID high frequency stroboscopic light sources for use, and the energizing signal that the flash of light of a reception davit identification positioning module is sent carries out the moment light filling, has 10 times/second superpower stroboscopic ability.
In said contact wire continuous imaging module 3, said continuous imaging acquisition module 31 is made up of contact wire imaging camera set, PCI-Express, high-performance server.Contact wire imaging camera set is made up of two high definition high-speed industrial cameras installing relatively in the position of car body both sides, and its camera lens scope all standing the zone possibly occur to contact wire.Said continuous light filling control module 32 adopts the ultrawhite light HID light source search lamps light filling that throws light on continuously, and the illumination of compensatory light can both reach the blur-free imaging needs.
Said operation comprehensive management module 4 is the system backbone that run on the high-performance server, the master control of realization system operation and the interface of man-machine interaction.Before normal operation, can carry out function test, and system's initial parameter is set according to usage condition and circuit environment to major equipment; As the control maincenter, system running state is managed, monitor each equipment working state; As Man Machine Interface, the user is provided rational image-forming information management, realize the availability of imaging data; For carrying out data communication, the serial communication administration module is provided with industrial computer.
Said function test administration module 41 is the Control Software critical functions that run on the server, realizes affirmation equipment before the test of systemic-function and the normal operation is ready to.Said camera function test module 4101: realize each camera data Link State, the inquiry of parameter, mode of operation is set, actual measurement camera imaging effect, and the parameter of camera can be set.Said stroboscopic function test module 4102: through camera is set is trigger mode, and sends the stroboscopic control command, carries out active and captures, from the stroboscopic function of image quality test flash light.
Said operational factor initial adjustment module 42 is the Control Software critical functions that run on the server, realizes the dead work of equipment.Mode of operation selects module that the station district of circuit, reference position, initial bar number, up-downlink direction are selected, and the angle that turns to the platform initialization module that camera is taken is adjusted, and the reference address after the camera initialization module powers on to each camera is provided with.
In the above-described embodiments: the key suspension identification positioning function of the utility model; Mainly be that whether carrier garage arrives target critical suspension position to employing dual mode synthetic determination: 1) adopt line-scan digital camera and high brightness laser; Whether the registration device of judging contact wire pillar or davit in real time exists; Utilize object recognizer in laser triangulation principle and the linear array images, realize the judgement of pillar, davit, bridge tunnel; 2) use car speed sensor and judge the current line car kilometer, inquire about the data bank of self-built current circuit in view of the above, judge, confirm that driving arrives as electric segmentation, electric phase splitting device etc. are paid close attention to the facility positions when the district that sets out in advance to make arrangements, bar number, kilometer post.
The high-definition image of the utility model is captured function; Adopt one group of camera to key suspension (like pillar bracket, steady arm) pros and cons imaging along the rail vertical distribution; Unit resolution can reach the 2448*2050 pixel and more than; Be operated in the outward sign trigger mode, capture according to the energizing signal that a davit identification positioning module 1 is sent; Adopt key suspension (like contact wire, section insulator) opposite flank imaging of another group camera to distributing in the same way along rail, unit resolution reaches more than the 2448*1024 pixel, is operated in continuous candid photograph pattern, regulates capture rate according to car speed sensor.
The stroboscopic light filling mode of the utility model; The high bright illumination of moment of adopting the gas stroboscopic lamp to take pictures and carry out the object pros and cons constantly in triggering; Camera is set to the exposure time below the 500us; The one, make the object image not influenced by ambient lighting through light filling, the 2nd, avoid dynamically taking long image streaking problem of following exposure time.
The operation integrated management function of the utility model; All imaging pictures in filename, comprised its imaging plane position, constantly, information such as the district of standing, bar number, kilometer post; Software to all pictures browse, amplify, by item of information index, unloading, and show its relevant information.
In sum; The utility model is the vehicle-mounted contact system line walking check implement of integrated crucial suspension positioning function, high-definition image candid photograph, stroboscopic light filling mode, operation integrated management function; The main crucial suspension blur-free imaging of (comprising contact wire, registration device, line trouble facility, overlap, electric segmentation and electric phase splitting device) of realizing provides the generalized information management of its image of user, route lever number and kilometer post information.
This detecting device reflects directly that with the high-definition image form overhead contact line facility field condition is a detection means domestic the proposition first of China; For reaching the location recognition function that imageable target has accurately adopted comprehensive laser ranging, image object identification, track data library inquiry technology; Clearly adopted gas stroboscopic lamp light filling for reaching image quality, triggered the exposure of camera moment, high definition resolution camera method for imaging in real time, for reaching user's query demand and provide the information of the image of hanging equipment, circuit, the district of standing, bar number, seat in the plane, shooting time.
The concrete advantage of the utility model is set forth as follows in detail:
1) this device directly reflects the vehicle-mounted dynamic line walking inspection method of overhead contact line facility field condition with the high-definition image form, and the locating information and the shooting time of hanging equipment is provided, and comprises image, the circuit of hanging equipment, the district of standing, bar number, shooting time; This detection mode does not have the application precedent at home; The detection of overhead contact line facility mainly relies on the regular line walking observation and inspection of personnel; This detection mode is with the vehicle-mounted form line walking of track; Except the high definition pictorial information, the hanging equipment locating information also is provided, satisfy the testing staff and inquire about the demand of judging fault, fault location point.
2) the key suspension location recognition function that relates in this device; Come crucial suspension target appearance in the synthetic determination line walking process by laser transimitter, line-scan digital camera, laser ranging technique, image object recognition technology and track data storehouse technology; Thereby confirm the opportunity that high-definition image is captured, further acquire the circuit of crucial suspension target, the district of standing, bar number, shooting time information offers the user.It is extra small that the camera time-delay of taking pictures is triggered in the accurate location of crucial just suspension and sending, and makes that the camera shooting angle is accurate under the dynamic driving situation, each camera lens of camera array zone that just can aim at the mark.
3) mode of conventional images detection hanging equipment is mainly continuous shooting and fixed point shooting dual mode; Take continuously and exist the problem that redundant data is a lot, visibility is not high, fixed point to take existences to need the artificial problem that correct position angle, shooting angle are limited by the railway security operating rule of choosing.And this device utilizes vehicle-mounted mode of operation only key suspension target to be taken, and the redundant data of generation seldom; Because imaging device is installed on roof, constituting camera array can be carried out to picture to the positive aspect and the local region-of-interest of suspension target, the whole positions of shooting angle coverage goal, and can avoid artificial take set up camera operation, the risky operation of ascending a height; Utilize stroboscopic lamp initiatively light filling and high-speed shutter Exposure mode, can avoid the not enough and not good influence of light angle of ambient lighting, and avoid dynamically taking the hypograph smear problem, reach the more common fixed point shooting of imaging effect situation and want clear effective; Camera adopts the high definition industrial camera, and unit resolution reaches 2448*2050, and the shooting of local region-of-interest employing unit, and picture quality surpasses the shooting effect of general camera.
The principle of work of the utility model is following:
This device mainly comprises imaging device and computer data treatment facility, and imaging device is installed on the rolling stock roof, and the computer data treatment facility is installed in the compartment rack.On function, can be divided into: a davit identification positioning function, a davit are captured imaging function, contact wire continuous imaging function and operation integrated management function.
After system starts working; Bar position registration device begins to start a davit identification positioning function; Through laser measuring technology and aggregation of data analytical technology, judge the pillar or the accurate position of davit of current process, initiate a message to contact wire continuous imaging module 3 through serial ports.Contact wire continuous imaging module 3 is taken pictures with the form output multichannel energizing signal control camera of high-performance embedded system.Run on the bar position identification software on the multi-functional industrial computer, detect davit through the line-scan digital camera image processing and exist, combine mileage input and the analysis of route data storehouse, detect the bar number and the kilometer post of current bar position.
When every process pillar or davit, obtain the topography of the global image and the key position of its pros and cons.The contact wire continuous imaging module 3 that runs on the high-performance server is carried out real-time collection and compression memory through a gigabit network interface butt joint net-fault davit image; When bar position registration device through capture trigger control module 14 to high speed camera send trigger capture signal after; The IMAQ program is carried out the plurality of pictures parallel receive from different cameral, and realizes the Real Time Compression storage of high-definition image.
According to road speed, adopt all standing of continuous candid photograph mode to write down contact wire situation along the line.Realize speed of a motor vehicle calculating on the industrial computer, give an order to contact wire continuous imaging module 3 that it produces the energizing signal that control camera is captured continuously according to the speed of a motor vehicle.High-performance server links to each other with high speed camera through 2 tunnel gigabit network interfaces, and image that contact wire continuous imaging module 3 passive reception high speed cameras are captured and compression are preserved.
Multi-functional industrial computer and high-performance server are realized information interaction with serial ports.Multi-functional industrial computer is judged the accurate moment through a davit, in conjunction with mileage input and route data library searching, confirms to trigger the kilometer post and the bar position information of capturing point, offers high-performance server.High-performance server merges kilometer post and bar position information in captured contact system image, offers user's management that forms images easily, realizes that the retrieval of a large amount of contact system images is browsed and managed.
The innovative point of the utility model is following:
1, the vehicle-mounted dynamic line walking inspection method that directly reflects overhead contact line facility field condition with the high-definition image form; Only key suspension target imaging is preserved data; The effective information of hanging equipment is provided, comprises image, the circuit of hanging equipment, the district of standing, bar number, shooting time.
2, this device comprises the take pictures functional module of triggering, image-forming data acquisition, related data management of crucial suspension target recognition location, light filling and camera; From target occur, identification is accomplished, the time-delay that triggers the camera action in 5ms, guaranteed that target effective appears at institute under the vehicle-mounted road speed 0-120km/h to take the photograph in the picture.
3, adopt camera array to key suspension target panorama and local regional imaging, cover on pros and cons 80% area of target, unit resolution reaches the 2448*2050 pixel.
4, crucial suspension identification module is with laser transimitter and line-scan digital camera structure; Recognition objective is perpendicular to the pillar of rail, the contact system registration device on the davit (bracket, registration arm, steady arm); Effectively identified region is that its contact wire stagger that squints out (is confirmed according to the circuit situation; 200mm normally) part of scope, and with sky and top, tunnel as line-scan digital camera imaging reference background.
5, in the crucial suspension identification positioning function in the line-scan digital camera image processing; Judged at first whether target is present in the image; Utilized the range of triangle principle to judge whether object height auxiliary judgement disturbs again, changed active adjustment camera exposure time and output gain for adapting to sky background brightness.
6, use on the wheel tachogen output and calculate mileage in real time, Query Database obtains circuit, the district of standing, bar number, kilometer post.
7, in imaging process, key suspension target is carried out light filling, camera is set is operated in the exposure time below the 500us, guaranteed image quality, receive ambient lighting influence not enough and body oscillating minimum.
8, valid data output comprises crucial suspension picture, the district of stand, bar number, shooting time, can distinguish according to standing, bar number, kilometer post, shooting time carry out retrieving image.
Need to prove at last; The above is merely the preferred embodiment of the utility model; Rather than, anyly be equal to replacement or corresponding improvement to what the utility model technical characterictic did to the qualification of the utility model technical scheme, still within the protection domain of the utility model.
Claims (7)
1. a contact network key hangs automatic inspection device; It is characterized in that: comprise a davit identification positioning module, davit candid photograph image-forming module, contact wire continuous imaging module and operation comprehensive management module; The mouth of said davit identification positioning module is captured image-forming module with said davit and is connected; Said davit captured image-forming module and is connected with said operation comprehensive management module; Said operation comprehensive management module also is connected with said contact wire continuous imaging module; Said davit identification positioning module is made up of line-scan digital camera acquisition module, linear array images identification module, bar position information check-out module and candid photograph trigger control module; Said bar position information check-out module is made up of mileage speed detection module, bar kilometer post check-out module and upper computer serial communication module; Said davit captured image-forming module by capturing the imaging acquisition module, turning to platform control module and stroboscopic light filling control module to form; Said contact wire continuous imaging module is made up of continuous imaging acquisition module and continuous light filling control module; Said operation comprehensive management module is made up of function test administration module, operational factor initial adjustment module, image-forming information administration module and serial communication administration module, and said function test administration module is made up of camera function test module and stroboscopic function test module, and said operational factor initial adjustment module is selected module, turned to platform initialization module and camera initialization module to form by mode of operation.
2. contact network key according to claim 1 hangs automatic inspection device, it is characterized in that: said line-scan digital camera acquisition module is made up of laser transimitter, filter, long focal lengh lenses, line-scan digital camera, high speed data cable, image data acquiring card and industrial computer.
3. contact network key according to claim 1 hangs automatic inspection device, it is characterized in that: said candid photograph trigger control module is made up of with digital signal output function plug-in card embedded triggering functional circuit plate and industrial computer.
4. contact network key according to claim 1 hangs automatic inspection device, it is characterized in that: said mileage speed detection module is made up of industrial computer in photoelectric sensor, digital signal acquiring card and the car.
5. contact network key according to claim 1 hangs automatic inspection device, it is characterized in that: said candid photograph imaging acquisition module is captured camera set, PCI-Express and server by a davit registration device and is formed.
6. contact network key according to claim 1 hangs automatic inspection device, it is characterized in that: said continuous imaging acquisition module comprises that contact wire takes camera set, PCI-Express and high-performance server continuously.
7. contact network key according to claim 1 hangs automatic inspection device, it is characterized in that: the said platform control module that turns to is made up of the vehicle-mounted The Cloud Terrace of an installation davit registration device candid photograph camera set, the cradle head control device on the server.
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| CN102759347A (en) * | 2012-01-10 | 2012-10-31 | 广州科易光电技术有限公司 | Online in-process quality control device and method for high-speed rail contact networks and composed high-speed rail contact network detection system thereof |
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| CN103879419A (en) * | 2014-03-31 | 2014-06-25 | 宝鸡南车时代工程机械有限公司 | Real-time intelligent inspection car for contact network of electrified railway |
| CN104316034A (en) * | 2014-11-04 | 2015-01-28 | 北京凌云光技术有限责任公司 | Contact network image acquisition device and contact network detection system |
| CN105539206A (en) * | 2015-12-24 | 2016-05-04 | 湖南华宏铁路高新科技开发有限公司 | Method for acquiring pole position information of overhead line system for electrified railway |
| CN105911799A (en) * | 2016-05-18 | 2016-08-31 | 广州科易光电技术有限公司 | Rail transit contact network monitoring and light supplementing system and method |
| CN107014296A (en) * | 2017-03-30 | 2017-08-04 | 中国铁道科学研究院 | Comprehensive inspection car OCS inspecting system high speed orientation triggering method and device |
| 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 |
| CN110346295A (en) * | 2019-07-15 | 2019-10-18 | 北京神州同正科技有限公司 | Defect combined positioning method and device, equipment and storage medium |
| CN111497689A (en) * | 2020-04-27 | 2020-08-07 | 成都国铁电气设备有限公司 | Automatic inspection device for vehicle-mounted contact network sectional phase-splitting insulator |
| CN114379597A (en) * | 2021-12-31 | 2022-04-22 | 中铁武汉电气化局集团有限公司 | High-definition imaging device for contact network cantilever and using method thereof |
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