CN105866131A - Vehicle-mounted appearance detection system and method for communication leaky coaxial cable in tunnel - Google Patents
Vehicle-mounted appearance detection system and method for communication leaky coaxial cable in tunnel Download PDFInfo
- Publication number
- CN105866131A CN105866131A CN201610365363.4A CN201610365363A CN105866131A CN 105866131 A CN105866131 A CN 105866131A CN 201610365363 A CN201610365363 A CN 201610365363A CN 105866131 A CN105866131 A CN 105866131A
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- image collecting
- collecting device
- laser range
- leakage cable
- range finder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
Abstract
The invention provides a vehicle-mounted appearance detection system and method for a communication leaky coaxial cable in a tunnel. The system comprises high-speed recognition cameras, laser range finders, image collecting devices and a controller; the high-speed recognition cameras, the laser range finders and the image collecting devices are arranged at the tops of the two sides of a train, the controller is connected with the high-speed recognition cameras, the laser range finders and the image collecting devices and is used for starting the laser range finder on the side at first preset time to measure the distance between the laser range finder and the communication leaky coaxial cable when one high-speed recognition camera at the top of one side of the train recognizes the communication leaky coaxial cable, adjusting the focal length of the image collecting device on the side according to the distance measured by the laser range finder on the side and starting the image collecting device on the side at the second preset time to collect image data of the communication leaky coaxial cable. Focal lengths of the image collecting devices can be adjusted in real time according to distance information measured by the laser range finders, and precision of collected images is improved.
Description
Technical field
The present invention relates to railway detection technique field, particularly to communication leakage cable outward appearance detecting system in a kind of vehicle-mounted tunnel
And method.
Background technology
Along with high-speed railway, general speed rail track operation mileage quickly increase, in tunnel, communication leakage cable patrols and examines workload
Also being greatly increased, existing routine inspection mode is mainly carried out in the way of artificial upper track is patrolled and examined, the mode that artificial upper track is patrolled and examined
There are the following problems:
Inspection project is various, and in tunnel, communication leakage cable is arranged on higher position in tunnel, needs to check cable buckle, line
Cable sheaths etc., manual inspection workload is bigger.Inspection accuracy is relatively low, due to high-speed railway, general speed rail track sky
The window time, night illumination was poor mainly at night, missing inspection and false retrieval easily occurs, causes potential safety hazard.Check efficiency
Lowly, check 3-5 kilometer high-speed railway, general speed rail track the most per hour, the high-speed railway of hundreds of kilometer, general
Speed rail track takies substantial amounts of human resources and review time.Danger is higher, and artificial upper track operation exists certain
Danger, easily causes security incident.Affected more obvious by outside environmental elements, sleety weather and microthermal climate pair
Manual inspection causes large effect, particularly winter low temperature, and night, upper track caused the appearance of the situations such as personnel's cold injury.
Summary of the invention
The present invention provides a kind of communication leakage cable outward appearance detecting system and method in vehicle-mounted tunnel, is used for solving in prior art
To communication leakage cable detection wasting manpower and material resources in tunnel, check that efficiency is low and the problem such as Checking on effect is the best.
In order to solve above-mentioned technical problem, a technical scheme of the present invention is leaked outside cable for communication in providing a kind of vehicle-mounted tunnel
See detecting system, including, high speed identification camera, laser range finder, image collecting device and controller；
Described high speed identification camera is arranged at train two side roof part, is used for identifying communication leakage cable；Described laser range finder
And described image collecting device is arranged at train two side roof part；
Described controller connects described high speed identification camera, described laser range finder and described image collecting device, uses
After recognizing described communication leakage cable when the described high speed identification camera of train one side roof part, open in first scheduled time
Open the laser range finder of this side and measure the distance of itself and the described Lou cable of communicating, record according to the described laser range finder of this side
Distance adjust the focal length of image collecting device of this side, the image collecting device opening this side in second scheduled time is adopted
Collect the view data of described communication leakage cable.
The further aspect of present system, high speed identification camera, laser range finder and the image of train one side roof part
The measurement direction of harvester is identical.
The further aspect of present system, high speed identification camera, laser range finder and the image of train one side roof part
Harvester presses high speed identification camera, laser range finder and the order of image collecting device along headstock to the direction of the tailstock
It is arranged at train two side roof part.
The further aspect of present system, described system also includes light source and photometry sensor, is arranged on train；
Described controller connects described light source and described photometry sensor, and the light intensity recorded when described photometry sensor is less than
During predetermined threshold, open described light source.
The further aspect of present system, described system also includes tachogenerator and memorizer, connects described respectively
Controller；
Described tachogenerator is used for measuring train present speed information, and in described memorizer, storage has speed and described figure
The aperture used as harvester and shutter parameter corresponding relation, described controller according to present speed information from storage
Device mates aperture and shutter parameter that described image collecting device is used.
The further aspect of present system, described system also includes clock module and memorizer, connects described control respectively
Device processed；
Described clock module is used for output time information, and in described memorizer, storage has time and described image collecting device
The aperture used and shutter parameter corresponding relation, described controller mates institute according to described temporal information from memorizer
State aperture and shutter parameter that image collecting device is used.
The further aspect of present system, described system also includes memorizer, is used for storing communication leakage cable material information
The aperture used with described image collecting device and shutter parameter corresponding relation；
Described controller is further used for the material of the image recognition communication leakage cable gathered according to described high speed identification camera
Material information, mates, according to the material information identified, the aperture that described image collecting device is used from described memorizer
With shutter parameter.
The present invention communicates in separately providing a kind of vehicle-mounted tunnel and leaks cable appearance detecting method, wherein, high speed identification camera,
Laser range finder and image collecting device are arranged at train two side roof part, and described method includes:
High speed identification camera identification communication is utilized to leak cable；
After the described high speed identification camera of train one side roof part recognizes communication leakage cable, open in first scheduled time
The laser range finder of this side measures the distance of itself and the Lou cable of communicating；
The distance that laser range finder according to this side records adjusts the image collecting device focal length of this side, in the second pre-timing
Between start this side image acquisition device communication leakage cable view data.
The present invention can to high-speed railway, general speed railway tunnel in communication leakage cable carry out visual examination, it is to avoid existing skill
Labor intensive financial resources in art, check that efficiency is low and the problem such as Checking on effect is the best.The present invention can open when needs check
Open the view data of image acquisition device communication leakage cable, the service life of extension device；Can be according to laser range finder
The range information recorded adjusts the focal length of image collecting device in real time, improves the precision gathering image.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
It is some embodiments of the present invention, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 be one embodiment of the invention vehicle-mounted tunnel in communication leakage cable outward appearance detecting system structure chart；
Fig. 2 be one embodiment of the invention vehicle-mounted tunnel in communication leakage cable outward appearance detecting system installation site top view；
Fig. 3 be another embodiment of the present invention vehicle-mounted tunnel in communication leakage cable outward appearance detecting system installation site vertical view
Figure；
Fig. 4 be one embodiment of the invention vehicle-mounted tunnel in communication leakage cable appearance detecting method flow chart.
Reference numeral illustrates:
101: high speed identification camera；102: laser range finder；
103: image collecting device；104: controller；
201: train；202: communication leakage cable；
203: tunnel；A: communication leakage cable one end；
B1, B2: laser range finder；
C1, C2, C3, C4: image collecting device；
D1, D2: high speed identification camera；
dD1B1: the distance between high speed identification camera and laser range finder；
dB1C1: the distance between laser range finder and image collecting device；
Arrow: train moving direction；
401～403: step.
Detailed description of the invention
Technical characterstic and effect in order to make the present invention become apparent from, and do technical scheme below in conjunction with the accompanying drawings
Further illustrating, the present invention also can have other different instantiations be illustrated or implement, any art technology
The equivalents that personnel do within the scope of the claims belongs to the protection category of the present invention.
As it is shown in figure 1, the structure of communication leakage cable outward appearance detecting system in the vehicle-mounted tunnel that Fig. 1 is one embodiment of the invention
Figure.Communication leakage cable detecting system is integrated on train by the present embodiment, it is possible to automatic detection vehicle carries communication leakage cable in tunnel
Outward appearance, it is to avoid labor intensive financial resources in prior art, the problem such as check that efficiency is low and Checking on effect is the best.
Concrete, in vehicle-mounted tunnel, communication leakage cable outward appearance detecting system includes: high speed identification camera 101, Laser Measuring
Distance meter 102, image collecting device 103 and controller 104.
Described high speed identification camera 101 is arranged at train two side roof part, is used for identifying communication leakage cable, identifies at a high speed and take the photograph
As head identification communication leakage cable can use existing method to realize, this is no longer described in detail by the present invention.
Described laser range finder 102 and described image collecting device 103 are arranged at train two side roof part, described Laser Measuring
Distance meter 102 is for measuring the distance of itself and the Lou cable of communicate, and described image collecting device 103 is used for collection communication and leaks cable
View data.
Described controller 104 connects described high speed identification camera 101, described laser range finder 102 and described image
Harvester 103, after recognizing described communication leakage cable when the high speed identification camera 101 of train one side roof part,
Open the described laser range finder 102 of this side in first scheduled time and measure the distance of itself and the described Lou cable of communicating, according to
The distance that the laser range finder 102 of this side records adjusts the focal length of the image collecting device of this side, in second scheduled time
The image collecting device 103 starting this side gathers the view data of described communication leakage cable.
It should be noted that the first scheduled time t1For relative to high speed identification camera recognize communication leakage cable time
Between.Can be according to distance d between high speed identification camera and laser range finder1, high speed identification camera recognize communication
The time t of leakage cable0Depending on the speed v of train operation, t1=t0+d1/v.When being embodied as, it is contemplated that opening of device institute
Take time, it is generally the case that first scheduled time met t1<t0+d1/ v, the present invention is concrete to first scheduled time
Value does not limits, and can be set according to demand.
Second scheduled time t2For recognizing the time of communication leakage cable relative to high speed identification camera.Can be according to knowing at a high speed
Other distance d between photographic head and image collecting device2, high speed identification camera recognize communication leakage cable time t0
Depending on the speed v of train operation, t2=t0+d2/v.When being embodied as, it is contemplated that image collecting device starts and focal length
The adjustment time, it is generally the case that second scheduled time met t2≤ t0+d2/ v, and second scheduled time also meet t2>T+t1
(wherein, T is image collecting device Focussing required time), the present invention concrete value to second scheduled time
Do not limit, can be set according to demand.
The present embodiment can open the view data of image acquisition device communication leakage cable when needing to check, prolongation sets
Standby service life；The focal length of image collecting device can be adjusted according to the range information that laser range finder records in real time, carry
The high precision gathering image.
In one embodiment of the invention, high speed identification camera, laser range finder and the image acquisition at top, train the same side
The measurement direction of device identical (i.e. high speed identification camera, laser range finder and image collecting device measuring surface towards
Identical).The measurement direction of train two side apparatus can be different.
Further, high speed identification camera, laser range finder and the image collecting device at top, train the same side is along car
Head is arranged at train two to the direction of the tailstock by the order of high speed identification camera, laser range finder and image collecting device
Side roof part.
As a example by right side shown in Fig. 2, after high speed identification camera D1 recognizes communication leakage cable one end A, according to height
Distance d between speed identification camera D1 and laser range finder B1D1B1, high speed identification camera D1 recognize logical
The time of letter leakage cable and first scheduled time of speed calculation of train operation, start at B1 during first scheduled time
Laser range finder is found range, and after controller receives the distance that laser range finder at B1 records, adjusts C1 according to this distance
The focal length of place's image collecting device, according to dB1C1+dD1B1(dB1C1、dD1B1It is known that obtained by staff's measurement),
High speed identification camera D1 recognizes time and second scheduled time of speed calculation of train operation of communication leakage cable,
Image collecting device C1 collection communication leakage cable view data is opened when second scheduled time.
When arranging multiple image collecting device, as it is shown on figure 3, the focal length setting process of each image collecting device is identical,
Illustrating the most one by one, concrete methods of realizing sees described in epimere embodiment.
In one embodiment of the invention, in vehicle-mounted tunnel, communication leakage cable outward appearance detecting system also includes light source and light-metering sensing
Device, is arranged on train.Described controller connects described light source and described photometry sensor, when described photometry sensor
When the light intensity recorded is less than predetermined threshold, open described light source, by light source in the environment of illuminance is inadequate, it is provided that mend
Repay illumination.
In one embodiment of the invention, in vehicle-mounted tunnel, communication leakage cable outward appearance detecting system includes tachogenerator and storage
Device, connects described controller respectively.Described tachogenerator is used for measuring train present speed information, described memorizer
Middle storage has the aperture and shutter parameter corresponding relation, described controller root that speed and described image collecting device used
From memorizer, aperture and the shutter parameter that described image collecting device is used is mated according to present speed information.
In one embodiment of the invention, described system also includes clock module and memorizer, connects described controller respectively.
Described clock module is used for output time information, and in described memorizer, storage has the time to be made with described image collecting device
Aperture and shutter parameter corresponding relation, described controller mates described figure according to described temporal information from memorizer
The aperture used as harvester and shutter parameter.
In one embodiment of the invention, described system also includes memorizer, is used for storing communication leakage cable material information with described
Aperture that image collecting device is used and shutter parameter corresponding relation；
Described controller is further used for the material of the image recognition communication leakage cable gathered according to described high speed identification camera
Material information, mates, according to the material information identified, the aperture that described image collecting device is used from described memorizer
With shutter parameter.
In the vehicle-mounted tunnel that the present invention provides, communication leakage cable outward appearance detecting system can be to high-speed railway, the tunnel of general speed railway
Interior communication leakage cable carries out visual examination, it is to avoid labor intensive financial resources in prior art, check that efficiency is low and Checking on effect
The problem such as the best.The present invention can open the view data of image acquisition device communication leakage cable when needing to check,
The service life of extension device；Jiao of image collecting device can be adjusted in real time according to the range information that laser range finder records
Away from, improve the precision gathering image.
As shown in Figure 4, Fig. 4 be one embodiment of the invention vehicle-mounted tunnel in communication leakage cable appearance detecting method flow process
Figure.Concrete, high speed identification camera, laser range finder and image collecting device are arranged at train two side roof part, car
In carrying tunnel, communication leakage cable appearance detecting method includes:
Step 401: utilize high speed identification camera identification communication to leak cable.
Step 402: after the high speed identification camera of train one side roof part recognizes communication leakage cable, in the first pre-timing
Between open the laser range finder of this side and measure the distance of itself and the Lou cable of communicating.
Step 403: the distance recorded according to the laser range finder of this side adjusts the image collecting device focal length of this side, in
Second scheduled time started the view data of the image acquisition device communication leakage cable of this side.
When being embodied as, the survey of high speed identification camera, laser range finder and the image collecting device of train one side roof part
Amount direction is identical.
Or high speed identification camera, laser range finder and the image collecting device of train one side roof part arrive the tailstock along headstock
Direction is arranged at train two side roof part by the order of high speed identification camera, laser range finder and image collecting device.
In the vehicle-mounted tunnel that the present invention provides, communication leakage cable appearance detecting method can be to high-speed railway, the tunnel of general speed railway
Interior communication leakage cable carries out visual examination, it is to avoid labor intensive financial resources in prior art, check that efficiency is low and Checking on effect
The problem such as the best.The present invention can open the view data of image acquisition device communication leakage cable when needing to check,
The service life of extension device；Jiao of image collecting device can be adjusted in real time according to the range information that laser range finder records
Away from, improve the precision gathering image.
The above is merely to illustrate technical scheme, and any those of ordinary skill in the art all can be without prejudice to this
Under the spirit and the scope of invention, above-described embodiment is modified and changes.Therefore, the scope of the present invention
Should be as the criterion depending on right.
Claims (8)
1. communication leakage cable outward appearance detecting system in a vehicle-mounted tunnel, it is characterised in that including: high speed identification camera,
Laser range finder, image collecting device and controller；
Described high speed identification camera is arranged at train two side roof part, is used for identifying communication leakage cable；Described laser range finder
And described image collecting device is arranged at train two side roof part；
Described controller connects described high speed identification camera, described laser range finder and described image collecting device, uses
After recognizing described communication leakage cable when the high speed identification camera of train one side roof part, opening in first scheduled time should
The laser range finder of side measures the distance of itself and the described Lou cable of communicating, and adjusts according to the distance that the laser range finder of this side records
The focal length of the image collecting device of this side whole, opens described in the image acquisition device of this side logical in second scheduled time
The view data of letter leakage cable.
Communication leakage cable outward appearance detecting system in vehicle-mounted tunnel the most as claimed in claim 1, it is characterised in that train one
The measurement direction of high speed identification camera, laser range finder and the image collecting device of side roof part is identical.
Communication leakage cable outward appearance detecting system in vehicle-mounted tunnel the most as claimed in claim 1, it is characterised in that train one
High speed identification camera, laser range finder and the image collecting device of side roof part is known along headstock to the direction of the tailstock by high speed
The order of other photographic head, laser range finder and image collecting device is arranged at train two side roof part.
Communication leakage cable outward appearance detecting system in vehicle-mounted tunnel the most as claimed in claim 1, it is characterised in that described system
System also includes light source and photometry sensor, is arranged on train；
Described controller connects described light source and described photometry sensor, and the light intensity recorded when described photometry sensor is less than
During predetermined threshold, open described light source.
Communication leakage cable outward appearance detecting system in vehicle-mounted tunnel the most as claimed in claim 1, it is characterised in that described system
System also includes tachogenerator and memorizer, connects described controller respectively；
Described tachogenerator is used for measuring train present speed information, and in described memorizer, storage has speed and described figure
The aperture used as harvester and shutter parameter corresponding relation, described controller according to present speed information from storage
Device mates aperture and shutter parameter that described image collecting device is used.
Communication leakage cable outward appearance detecting system in vehicle-mounted tunnel the most as claimed in claim 1, it is characterised in that described system
System also includes clock module and memorizer, connects described controller respectively；
Described clock module is used for output time information, and in described memorizer, storage has time and described image collecting device
The aperture used and shutter parameter corresponding relation, described controller mates institute according to described temporal information from memorizer
State aperture and shutter parameter that image collecting device is used.
Communication leakage cable outward appearance detecting system in vehicle-mounted tunnel the most as claimed in claim 1, it is characterised in that described system
System also includes memorizer, for storing aperture that communication leakage cable material information and described image collecting device used and soon
Door parameter corresponding relation；
Described controller is further used for the material of the image recognition communication leakage cable gathered according to described high speed identification camera
Material information, mates, according to the material information identified, the aperture that described image collecting device is used from described memorizer
With shutter parameter.
8. communication leakage cable appearance detecting method in a vehicle-mounted tunnel, it is characterised in that high speed identification camera, laser
Diastimeter and image collecting device are arranged at train two side roof part, and described method includes:
High speed identification camera identification communication is utilized to leak cable；
After the high speed identification camera of train one side roof part recognizes communication leakage cable, open this side in first scheduled time
Laser range finder measure the distance of itself and the Lou cable of communicating；
The distance that laser range finder according to this side records adjusts the image collecting device focal length of this side, in the second pre-timing
Between start this side image acquisition device communication leakage cable view data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610365363.4A CN105866131B (en) | 2016-05-27 | 2016-05-27 | Communication leakage cable outward appearance detecting system and method in a kind of vehicle-mounted tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610365363.4A CN105866131B (en) | 2016-05-27 | 2016-05-27 | Communication leakage cable outward appearance detecting system and method in a kind of vehicle-mounted tunnel |
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| CN105866131A true CN105866131A (en) | 2016-08-17 |
| CN105866131B CN105866131B (en) | 2018-03-27 |
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Cited By (10)
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| CN106802305A (en) * | 2016-11-21 | 2017-06-06 | 河南辉煌科技股份有限公司 | A kind of method that tunnel inspection is carried out using train |
| CN108318488A (en) * | 2017-01-17 | 2018-07-24 | 南京火眼猴信息科技有限公司 | A kind of subway tunnel Defect inspection device and detection method |
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| CN109085177A (en) * | 2018-08-22 | 2018-12-25 | 佳讯飞鸿（北京）智能科技研究院有限公司 | A kind of leakage cable appearance detecting method and device based on RFID positioning |
| CN109459433A (en) * | 2018-12-21 | 2019-03-12 | 成都旭伟合力科技有限公司 | A kind of portable image detecting system of leakage coaxial cable |
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| CN111208146A (en) * | 2018-11-22 | 2020-05-29 | 北京世纪东方通讯设备有限公司 | Tunnel cable detection system and detection method |
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| CN113239757A (en) * | 2021-04-28 | 2021-08-10 | 宁波思高信通科技有限公司 | Leaky cable detection method and system, storage medium and intelligent terminal |
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| CN108318488A (en) * | 2017-01-17 | 2018-07-24 | 南京火眼猴信息科技有限公司 | A kind of subway tunnel Defect inspection device and detection method |
| CN108716621A (en) * | 2018-04-27 | 2018-10-30 | 国家电网公司 | Image pickup flashlight |
| CN109085177A (en) * | 2018-08-22 | 2018-12-25 | 佳讯飞鸿（北京）智能科技研究院有限公司 | A kind of leakage cable appearance detecting method and device based on RFID positioning |
| CN109085177B (en) * | 2018-08-22 | 2022-03-04 | 佳讯飞鸿（北京）智能科技研究院有限公司 | Leaky cable appearance detection method and device based on RFID positioning |
| CN111208146A (en) * | 2018-11-22 | 2020-05-29 | 北京世纪东方通讯设备有限公司 | Tunnel cable detection system and detection method |
| CN111207304A (en) * | 2018-11-22 | 2020-05-29 | 北京世纪东方通讯设备有限公司 | Railway tunnel leaky cable vision inspection device and product positioning detection method |
| CN111207304B (en) * | 2018-11-22 | 2021-09-14 | 北京世纪东方通讯设备有限公司 | Railway tunnel leaky cable vision inspection device and product positioning detection method |
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