CN101240520A - Railway line parameter photoelectric testing device used for tamping vehicle and detection method thereof - Google Patents
Railway line parameter photoelectric testing device used for tamping vehicle and detection method thereof Download PDFInfo
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- CN101240520A CN101240520A CNA2008100523526A CN200810052352A CN101240520A CN 101240520 A CN101240520 A CN 101240520A CN A2008100523526 A CNA2008100523526 A CN A2008100523526A CN 200810052352 A CN200810052352 A CN 200810052352A CN 101240520 A CN101240520 A CN 101240520A
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Abstract
The invention relates to a railway line parameter optoelectronic test device for a tamping vehicle and detection method thereof. The invented device is characterized by comprising a solid optoelectronic receiving set and a luminous light source. The solid optoelectronic receiving set is composed of four optical imaging lens arrays, four CCD charge-coupled devices and a corresponding treatment circuit board, and an independent electro-optical system is formed of each two optical lens arrays and two CCD devices. The beneficial effects of the invention are: the invented device quickly acquires optical signals reflecting railway line parameters by using a high-precision linear array CCD photoelectric sensor and obtains line parameters by calculating using a computer software. The obtained parameters are transmitted to the tamping vehicle control system host to increase speed and accuracy of tamping vehicle surveying orbit parameters.
Description
Technical field
The invention belongs to the railway maintenance, safeguard and measure the rail track parameter devices in the vehicle (tamping car), relate in particular to a kind of rail track parameter photoelectric testing device and detection method thereof that is used for tamping car.
Background technology
For adapting to fast development of national economy, the speed of a motor vehicle of rail transportation system is in speed-raising constantly, the detection and the prosthetic appliance of the lifting inevitable requirement track of car speed carry out work with higher speed and efficient, so that repair and guarantee the safety of vehicle in running up.Although having succeeded in developing, China can detect and repair the special-purpose vehicle of orbit parameter---tamping car simultaneously.This kind vehicle still adopts traditional steel wire to revolve the line mensuration to the measuring method of orbit parameter, this method is owing to be subjected to the restriction that steel wire revolves factors such as the quality of line itself and tension force, makes it all be subjected in various degree influence to the speed of orbital-elements measurement and precision.In order to improve measuring speed and precision, railway demands developing the non-contacting measuring method of photoelectricity urgently.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, and provide a kind of rail track parameter photoelectric testing device and detection method thereof that is used for tamping car, adopt high-precision line array CCD photoelectric sensor, can improve speed and precision that tamping car is measured orbit parameter.
The present invention for achieving the above object, by the following technical solutions: a kind of rail track parameter photoelectric testing device that is used for tamping car, it is characterized in that: form by solid-state photoelectric receiving arrangement and lighting source, described solid-state photoelectric receiving arrangement is made up of four optical imaging lens groups, 4 CCD charge-coupled image sensors and corresponding treatment circuit plate, and forms independently electro-optical system by per two optical lens group and two CCD devices.
The lens of described imaging lens group are the convex cylindrical mirror.
Described lighting source adopts the LED incandescent lamp.
Described LED incandescent lamp the position is set is its light that sends by two convex imagery of cylindrical mirror side by side on the position vertical with the picture sensitive array orientation of CCD device.
The four points survey method of described rail track parameter photoelectric testing device is characterized in that: before, during and after (1) operation area is provided with and four measuring position such as terminal point, and wherein the front end position is the LED incandescent lamp that presses measurement wheel top in orbit; The middle part is the measurement dolly that solid-state photoelectric receiving arrangement is installed; Measuring the dolly back is the measurement wheel that presses in orbit, and a LED incandescent lamp is respectively installed apart from wire center 300mm place in its left and right sides, and the final position is mounted in the rear portion and measures 1 middle LED incandescent lamp of dolly, and the line direction that is used for four-point method is measured;
(2), divide fore-and-aft direction to be installed in the middle part of measuring dolly two independent light electric systems in the solid-state photoelectric receiving arrangement, before receiving, preceding electro-optical system measures the light of wheel middle part LED incandescent lamp, the light of two LED incandescent lamps about back electro-optical system receives on the back measurement dolly, with front and back two convex cylindrical mirrors and horizontal plane at 45 and 135 ° of installations respectively side by side, angle between the two convex cylindrical mirrors is 90 °, the convex cylindrical mirror becomes a very narrow light belt to drop on the corresponding CCD device photosurface light focusing of LED incandescent lamp, change image into the signal of telecommunication by the CCD device, send Computer Processing, detect change in location, and be broken down into the displacement of level and vertical two directions, compare with the initial value of demarcating, determine the relative position relation of LED incandescent lamp and photelectric receiver, promptly determine versed sine by the relative position of horizontal direction, the relative position of front and back vertical direction is determined vertically height, the relative position difference of left and right sides vertical direction is determined superelevation, realizes the detection of circuit actual parameter.
Three point detecting methods of described photoeletric measuring system are to measure LED incandescent lamp on the dolly and turn off or do not adorn this and measure dolly and the signal that only receives LED incandescent lamp in front and 2 the LED incandescent lamps in back with photoelectric receiving arrangement carries out the superelevation of circuit after the vertical gentle operation of direction, circuit of detection line being installed in terminal point in the four-point method.
Described back measure the lighting source of the dolly left and right sides and lighting source that terminal point is measured dolly on the CCD of back, become respectively three pairs independently as, in whole measurement category, all imagings are not disturbed mutually.
The light that described LED incandescent lamp sends should be on the position vertical with the picture sensitive array of CCD device after by two convex imagery of cylindrical mirror.
Beneficial effect of the present invention: this device adopts high-precision line array CCD photoelectric sensor that the optical signal that can reflect the track circuit parameter is gathered fast and obtains line parameter circuit value by computer software calculating, send tamping car control system main frame to by network then, can improve speed and precision that tamping car is measured orbit parameter.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the normal condition figure of detection light path operating principle of the present invention;
Fig. 3 is the generation left-right deviation state diagram of detection light path operating principle of the present invention;
Fig. 4 is lower deviation state diagram in the generation of detection light path operating principle of the present invention;
Fig. 5 is the schematic diagram that the operation area dolly is installed opto-electronic testing apparatus;
The specific embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing and preferred embodiment.
As shown in the figure, a kind of rail track parameter photoelectric testing device that is used for tamping car, form by solid-state photoelectric receiving arrangement and LED incandescent lamp, described solid-state photoelectric receiving arrangement is made up of four optical imaging lens groups, 4 CCD charge-coupled image sensors and corresponding treatment circuit plate, and form independently electro-optical system by per two optical lens group and two CCD devices, described imaging len is the convex cylindrical mirror.Two convex cylindrical mirrors and the horizontal plane at 45 and 135 ° of installations respectively side by side of described front and back, angle is 90 ° between two convex cylindrical mirrors.Described lighting source 1,11,14,15,16 adopts the LED incandescent lamp.Described LED incandescent lamp the position is set is its light that sends by two convex imagery of cylindrical mirror side by side on the position vertical with the picture sensitive array of CCD device.
Embodiment
(1) before, during and after the operation area is provided with, four measurement dollies of terminal point, the middle part is measured dolly solid-state photoelectric receiving arrangement is installed; 1 LED incandescent lamp is installed at the preceding middle part of measuring trundle; The back is measured the dolly left and right sides and apart from wire center 300mm place a LED incandescent lamp is installed respectively, and terminal point is measured the middle part of dolly 1 LED incandescent lamp is installed, and the line direction that is used for four-point method is measured;
(2), divide fore-and-aft direction to be installed in two independent light electric systems in the solid-state photoelectric receiving arrangement and measure the dolly middle part, before receiving, preceding electro-optical system measures the light that dolly middle part lighting source sends, two light that the LED incandescent lamp sends about after back electro-optical system receives on the measurement trundle, with front and back two convex cylindrical mirrors and horizontal plane at 45 and 135 ° of installations respectively side by side, angle is 90 ° between two convex cylindrical mirrors, the light focusing that the convex cylindrical mirror sends lighting source becomes a narrow light belt to drop on the corresponding CCD device to change image into the signal of telecommunication by the CCD charge-coupled image sensor, send Computer Processing, detect the change in location of the point that hangs down, and be broken down into the displacement of level and vertical direction, compare with the initial value of demarcating, determine the relative position relation of LED incandescent lamp and photelectric receiver, the relative position that is horizontal direction is determined versed sine, the relative position of front and back vertical direction is determined vertically height, the relative position difference of left and right sides vertical direction is determined superelevation, to realize the detection of circuit actual parameter.
1. the composition of system: dolly B middle part in operation area is equipped with the solid-state photoelectric receiving arrangement of a cover; 1 LED incandescent lamp is installed at the preceding dolly A middle part of measuring; Apart from wire center 400mm place, each installs LED incandescent lamp C1, a C2 about back measurement C dolly, and the D point is 1 LED incandescent lamp that install at dolly middle part, back, is used for constituting the orientation measurement of four-point method.
2. solid-state photoelectric receiving arrangement is formed: this device is the core of photodetector system.It is made up of four optical imaging lens groups, 4 CCD devices and corresponding treatment circuit plate.Per two optical lens group and two CCD devices form one and overlap independently electro-optical system, the light that the LED incandescent lamp sends before and after receiving respectively.The optical imaging lens group is the position of arrowband image with the position transition of LED incandescent lamp, the picture plane of its imaging just is a CCD device light-sensitive array face, change the position quantity of arrowband image into the signal of telecommunication by the CCD device, send Computer Processing, calculate operating trolley with respect to mounted LEDs incandescent lamp change in location on the forward and backward measurement trundle, the parameters such as superelevation of dolly are measured in the versed sine, left and right sides rail height and the back that finally calculate track circuit.
3, two independently electro-optical system divide fore-and-aft direction to be installed in the middle part of operation area dolly, before receiving, preceding electro-optical system measures the light that dolly middle part LED incandescent lamp A sends, two light that LED incandescent lamp C1, C2 send installing respectively about back electro-optical system reception back is measured on the trundle.Set of lenses adopts the convex cylindrical mirror, and the light focusing that the LED incandescent lamp is sent becomes a narrow light belt to drop on the corresponding CCD device; With front and back two convex cylindrical mirrors and horizontal plane at 45 and 135 ° of installations respectively side by side, angle is 90 ° between two convex cylindrical mirrors during design.To any one LED incandescent lamp, no matter how its position changes, two the convex imagery of cylindrical mirror of the light that it sends by side by side are on the position vertical with the picture sensitive array of CCD device, detect the change in location of the point that hangs down, it is resolved into horizontal direction and vertical displacement, and with the initial value of demarcating relatively, just can determine the position of LED incandescent lamp and the relative position relation of photelectric receiver, the relative position of horizontal direction is determined versed sine, the relative position of front and back vertical direction is determined vertically height, the relative position difference of left and right sides vertical direction is determined superelevation, to realize the detection of circuit actual parameter.
4.A-B-C1 and A-B-C2 forms left and right levelling measurement, A-B-C1 forms the line-of-sight course orientation measurement, A-B-C1-D forms four-point method and measures, B-C1 forms the relative C point of B point superelevation with B-C2 and measures, calculate the superelevation of B point place circuit by C point-like electron pendulum, A-B form that the relative B of A point order about and left and right sides change in location.
5, C1 point, C2 point and D point LED incandescent lamp on the CCD of back, become respectively three pairs independently as, in whole measurement category, guarantee that all imagings do not disturb mutually.
Operating principle: the line parameter circuit value photoelectric test method that is used for tamping car adopts photoelectricity track circuit parameter measurement equipment and the lighting source composition that reflects orbital position is installed on tamping car.Photoelectricity track circuit parameter measurement equipment has forward and backward 4 windows, there are 2 and 3 two input windows the front, it incides on two cylindrical mirrors 4 and 5 electric light source that is installed on the pinch roller of track the place ahead respectively, and be converged to the linear narrow light belt 8 and 9 that is parallel to the cylindrical mirror bus by cylindrical mirror 4 and 5 respectively, focus on respectively on the image planes of line array CCD 6 and 7; Two cylindrical mirrors 4 and 5 bus all with vertical line angle at 45, it be installed in tamping car below, the track top, and with the fixing light source 11,14,15 and 16 of pinch roller that presses in orbit, they are delivered to photoelectric detector with the position parameter data of track.The light that light source 11,14,15 and 16 sends incides cylindrical mirror 4,5,12 and 13 by incidence window 2 and 3, produce the fillet light belt that is parallel to each cylindrical mirror bus shown among the figure 8,9 respectively, the fillet light belt reflects that as the position on the quick unit track is in the position of level with vertical both direction at line array CCD, by detect the fillet light belt at line array CCD as the position on the quick unit, the position and the displacement parameter of two tracks are measured.1 for being installed in the LED incandescent lamp that the photoelectric detection system front end reflects anterior orbit parameter among the figure; Among the figure 2,3 for be installed in the photoelectric detection system front end about two entrance windows, 4,5 be about two cylindrical mirrors, be used for 1 lamp be focused to the fillet light belt, it drops on the image sensing surface of two line array CCDs 6,7,8 shown in the figure, 9 for lamp 1 by line source that cylindrical mirror became.
Being used for the relative position relation of the key technical indexes between test point that the line parameter circuit value photoelectric test method of tamping car can reach is AB=13000～115000mm (changing continuously), BC=4500～6000mm (changing continuously), CD=5500mm, situation under measurement category and certainty of measurement be respectively:
1, horizontal survey scope is ± 500mm that precision is ± 0.2mm:
2, vertical survey scope is ± 280mm that precision is ± 0.2mm:
3, the highest refreshing frequency of exporting by the detection signal of Ethernet transmission is not less than 150Hz.
The above only is preferred embodiment of the present invention, is not structure of the present invention is done any pro forma restriction.Every foundation technical spirit of the present invention all still belongs in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (8)
1, a kind of rail track parameter photoelectric testing device that is used for tamping car, it is characterized in that: form by solid-state photoelectric receiving arrangement and lighting source, described solid-state photoelectric receiving arrangement is made up of four optical imaging lens groups, 4 CCD charge-coupled image sensors and corresponding treatment circuit plate, and forms independently electro-optical system by per two optical lens group and two CCD devices.
2, the rail track parameter photoelectric testing device that is used for tamping car according to claim 1, it is characterized in that: the lens of described imaging lens group are the convex cylindrical mirror.
3, the rail track parameter photoelectric testing device that is used for tamping car according to claim 1 is characterized in that: described lighting source adopts the LED incandescent lamp.
4, the rail track parameter photoelectric testing device that is used for tamping car according to claim 4 is characterized in that: described LED incandescent lamp the position is set is its light that sends by two convex imagery of cylindrical mirror side by side on the position vertical with the picture sensitive array of CCD device.
5, according to the detection method of the described rail track parameter photoelectric testing device of claim 1, it is characterized in that: the detection method of described rail track parameter photoelectric testing device, it is characterized in that: adopt irrevocable formula photoeletric measuring system to measure the actual parameter of relative datum detection line, concrete detection method is:
(1) before, during and after the operation area is provided with, four ones at terminal point measures the position, the middle part is measured the position a solid-state photoelectric receiving arrangement is installed; 1 lighting source is installed at the preceding middle part of measuring the position; The back is measured the left and right sides, position and apart from wire center 300mm place a lighting source is installed respectively, and terminal point is measured the middle part of position 1 lighting source is installed, and the line direction that is used for four-point method is measured;
(2), divide fore-and-aft direction to be installed in two independent light electric systems in the solid-state photoelectric receiving arrangement and measure the middle part, position, the light that lighting source sent in the middle part of the measurement position before preceding electro-optical system received, two light that lighting source sends about went up the measurement position after back electro-optical system received, with about side by side two convex cylindrical mirrors and horizontal plane at 45 and 135 ° of installations respectively, angle is 90 ° between two convex cylindrical mirrors, the light focusing that the convex cylindrical mirror sends lighting source becomes a light belt to drop on the corresponding CCD device to change image into the signal of telecommunication by the CCD charge-coupled image sensor, send Computer Processing, detect the change in location of the point that hangs down, and be broken down into the displacement of level and vertical direction, compare with the initial value of demarcating, determine the relative position relation of lighting source and photelectric receiver, the relative position that is horizontal direction is determined versed sine, the relative position of front and back vertical direction is determined vertically height, the relative position difference of left and right sides vertical direction is determined superelevation, to realize the detection of circuit actual parameter.
6, the detection method of rail track parameter photoelectric testing device according to claim 5, it is characterized in that: described photoeletric measuring system is measured the method that can constitute two kinds of detection line parameters such as line-of-sight course and four-point method, the superelevation of circuit after the direction that two kinds of methods all can detection line, the vertical gentle operation of circuit.
7, the detection method of rail track parameter photoelectric testing device according to claim 5, it is characterized in that: described back measure the lighting source of the left and right sides, position and lighting source that terminal point is measured the position on the CCD of back, become respectively three pairs independently as, in whole measurement category, all imagings are not disturbed mutually.
8, the detection method of rail track parameter photoelectric testing device according to claim 6 is characterized in that: the light that described lighting source sends should be on the position vertical with the picture sensitive array of CCD device after by two convex imagery of cylindrical mirror.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100523526A CN101240520A (en) | 2008-02-29 | 2008-02-29 | Railway line parameter photoelectric testing device used for tamping vehicle and detection method thereof |
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| CNA2008100523526A CN101240520A (en) | 2008-02-29 | 2008-02-29 | Railway line parameter photoelectric testing device used for tamping vehicle and detection method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982609A (en) * | 2010-09-19 | 2011-03-02 | 北京凌云光视数字图像技术有限公司 | Tamping wagon photoelectric measurement system and method |
| CN102384718A (en) * | 2011-10-20 | 2012-03-21 | 南车二七车辆有限公司 | Charge-coupled device (CCD) sensor servo apparatus used in railway freight car detection |
| CN104006812A (en) * | 2014-06-13 | 2014-08-27 | 苏州工业园区艾吉威自动化设备有限公司 | Photoelectric navigation sensor |
| CN104176090A (en) * | 2013-05-21 | 2014-12-03 | 昆明中铁大型养路机械集团有限公司 | Track detector based on laser switch |
| CN110629601A (en) * | 2019-10-15 | 2019-12-31 | 株洲时代电子技术有限公司 | Tamping operation sleeper position protection device |
| CN110629603A (en) * | 2019-10-15 | 2019-12-31 | 株洲时代电子技术有限公司 | Method for protecting sleeper position in tamping operation |
| CN110629602A (en) * | 2019-10-15 | 2019-12-31 | 株洲时代电子技术有限公司 | Automatic tamping operation device |
| CN110670429A (en) * | 2019-10-15 | 2020-01-10 | 株洲时代电子技术有限公司 | Sleeper position protection device |
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2008
- 2008-02-29 CN CNA2008100523526A patent/CN101240520A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982609A (en) * | 2010-09-19 | 2011-03-02 | 北京凌云光视数字图像技术有限公司 | Tamping wagon photoelectric measurement system and method |
| CN101982609B (en) * | 2010-09-19 | 2013-03-20 | 北京凌云光视数字图像技术有限公司 | Tamping wagon photoelectric measurement system and method |
| CN102384718A (en) * | 2011-10-20 | 2012-03-21 | 南车二七车辆有限公司 | Charge-coupled device (CCD) sensor servo apparatus used in railway freight car detection |
| CN102384718B (en) * | 2011-10-20 | 2013-08-14 | 南车二七车辆有限公司 | Charge-coupled device (CCD) sensor servo apparatus used in railway freight car detection |
| CN104176090B (en) * | 2013-05-21 | 2017-02-15 | 中国铁建高新装备股份有限公司 | Track detector based on laser switch |
| CN104176090A (en) * | 2013-05-21 | 2014-12-03 | 昆明中铁大型养路机械集团有限公司 | Track detector based on laser switch |
| CN104006812B (en) * | 2014-06-13 | 2016-08-24 | 苏州艾吉威机器人有限公司 | Optical navigation sensor |
| CN104006812A (en) * | 2014-06-13 | 2014-08-27 | 苏州工业园区艾吉威自动化设备有限公司 | Photoelectric navigation sensor |
| CN110629601A (en) * | 2019-10-15 | 2019-12-31 | 株洲时代电子技术有限公司 | Tamping operation sleeper position protection device |
| CN110629603A (en) * | 2019-10-15 | 2019-12-31 | 株洲时代电子技术有限公司 | Method for protecting sleeper position in tamping operation |
| CN110629602A (en) * | 2019-10-15 | 2019-12-31 | 株洲时代电子技术有限公司 | Automatic tamping operation device |
| CN110670429A (en) * | 2019-10-15 | 2020-01-10 | 株洲时代电子技术有限公司 | Sleeper position protection device |
| CN110629603B (en) * | 2019-10-15 | 2021-10-29 | 株洲时代电子技术有限公司 | Method for protecting sleeper position in tamping operation |
| CN110629601B (en) * | 2019-10-15 | 2021-10-29 | 株洲时代电子技术有限公司 | Tamping operation sleeper position protection device |
| CN110629602B (en) * | 2019-10-15 | 2021-11-12 | 株洲时代电子技术有限公司 | Automatic tamping operation device |
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