CN205879131U - Three -dimensional train image acquisition system based on ballastless track - Google Patents
Three -dimensional train image acquisition system based on ballastless track Download PDFInfo
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- CN205879131U CN205879131U CN201620571393.6U CN201620571393U CN205879131U CN 205879131 U CN205879131 U CN 205879131U CN 201620571393 U CN201620571393 U CN 201620571393U CN 205879131 U CN205879131 U CN 205879131U
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Abstract
The utility model provides a three -dimensional train image acquisition system based on ballastless track, include: follow line source and area -array camera that ballastless track length direction set up, set up in the line source with between the area -array camera, and reflection of light face follow the reflex reflector that ballastless track width direction extends, wherein, the line source warp the light of reflex reflector reflection throw the direction with the area -array camera warp the formation of image direction of reflex reflector is equipped with the contained angle, the line source warp the light of reflex reflector reflection throw regional with the area -array camera warp the imaging region of reflex reflector overlaps mutually, the imaging region covers light throws the region. The technical scheme of the utility model ballastless track's structural feature can be adapted to, and the great image field of vision can be obtained.
Description
Technical Field
The utility model relates to a train fault detection technical field, more specifically say, relate to a three-dimensional train image acquisition system based on ballastless track.
Background
The train image acquisition system is used as an important component of train operation, and plays an important role in improving the train operation quality and enhancing the train overhaul operation quality. The working principle of the train detection device is that the camera arranged at the bottom or the side of the train is used for shooting images of each part of the train, and the detection of the train is realized through image analysis. For example, an existing three-dimensional motor train unit operation fault image detection system (TEDS-3D) is used as a typical train image acquisition system, and by introducing three-dimensional depth detection on the basis of traditional two-dimensional image detection, the comprehensive detection of the motor train unit can be realized, the discovery capability of hidden faults is improved, and the operation quality of the motor train unit is further enhanced.
A conventional train image acquisition system is generally based on a ballast track, and specifically, as shown in fig. 1, the ballast track includes a track bed 3 paved with crushed stones, a plurality of sleepers arranged on the track bed 3, and tracks vertically arranged on the sleepers and parallel to each other. The train image acquisition system comprises a rail inner bottom image detection system 1 and a rail side image detection system 2. The track bed 3 of the ballast track is paved by broken stones, and the sleepers on the track bed 3 are higher, so that the in-track bottom image detection system 1 can be conveniently arranged in a track bed gap between the sleepers, and meanwhile, the track side image detection system 2 can be conveniently arranged in a track bed gap between the sleepers at the lower side of the railway without touching a running train.
However, as shown in fig. 2, the ballastless track is composed of a track bed 3 of a concrete structure, fasteners 4 arranged side by side on the track bed 3, and a track fixed on the fasteners 4, and since the track bed 3 is composed of concrete, the structure is hard, and the height of the fasteners 4 is limited, the image detection system arranged according to the conventional method is easy to touch the bottom of the running train, and the camera is close to the bottom of the train, so that the visual field range of the shot image is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a three-dimensional train image acquisition system's technical scheme based on ballastless track to traditional train image acquisition system's setting method is difficult to adapt to ballastless track's structure among the prior art that introduces among the solution background art, and the limited problem of image field of vision scope of shooting.
In order to solve the technical problem, the utility model provides a following technical scheme:
according to the utility model discloses an aspect provides a three-dimensional train image acquisition system based on ballastless track, and this three-dimensional train image acquisition system includes:
the line light source and the area array camera are arranged along the length direction of the ballastless track;
the reflecting device is arranged between the linear light source and the area array camera, and a reflecting surface extends along the width direction of the ballastless track; wherein,
a light projection area of the linear light source reflected by the reflecting device is overlapped with an imaging area of the area-array camera passing by the reflecting device, and the imaging area covers the light projection area;
the light projection direction of the line light source reflected by the reflecting device and the imaging direction of the area array camera reflected by the reflecting device form an included angle.
Preferably, the three-dimensional train image acquisition system further comprises: the linear array camera is arranged on the opposite side of the area array camera, and a lens of the linear array camera faces the light reflecting device.
Preferably, the line camera and the area camera are located in the same vertical plane perpendicular to the plane of the track or on the same line parallel to the track.
Preferably, the line camera is located on the same side of the line light source, and the axis of the lens of the line camera is located in a plane formed by the irradiation light of the line light source.
Preferably, the three-dimensional train image acquisition system further comprises: the light supplementing source is arranged on the side of the line light source, and the light projection direction of the light supplementing source faces the light reflecting device.
Preferably, the light reflecting means includes: the first reflector is arranged between the linear light source and the area array camera, and a reflecting surface faces the linear light source; the second reflector is arranged between the linear light source and the area array camera, and a reflecting surface faces the area array camera; the reflecting surface of the first reflector and the reflecting surface of the second reflector are both inclined upwards and form a reflector included angle; the reflecting device also comprises a reflector included angle adjusting device which is respectively connected with the first reflector and the second reflector.
Preferably, the three-dimensional train image acquisition system further comprises: the light source pitch angle adjusting device is connected with the linear light source; and the camera pitch angle adjusting device is connected with the area-array camera.
Preferably, the three-dimensional train image acquisition system further comprises: the infrared image acquisition equipment and the ultraviolet image acquisition equipment are respectively arranged at the side of the area array camera, and the shooting direction of the infrared image acquisition equipment and the shooting direction of the ultraviolet image acquisition equipment face the reflecting device.
Preferably, the three-dimensional train image acquisition system further comprises: a dust-proof device for accommodating the line light source, the area-array camera and the reflecting device; and a light-transmitting opening is formed in the part of the dustproof device corresponding to the light reflecting device, and the light-transmitting opening is covered with coated light-transmitting glass.
Preferably, the three-dimensional train image acquisition system includes: the first three-dimensional train image acquisition system is fixed on a track bed in the middle of a branch track of the ballastless track; the second three-dimensional train image acquisition system is fixed on a track bed at the inner side of a support rail of the ballastless track; and/or the third three-dimensional train image acquisition system is fixed on a track bed at the outer side of the support rail of the ballastless track.
The embodiment of the utility model provides a three-dimensional train image acquisition system, set up line source and area array camera along ballastless track length direction, and set up the reflex reflector that the reflection of light face extends along ballastless track width direction between line source and the area array camera, the line source shines the light of reflex reflector and reflects the train bottom through the reflex reflector, the same imaging area of train bottom shows the area array camera through the reflection of reflex reflector in the same, when the line source throws the region through the light of reflex reflector reflection and overlaps with the area array camera through the imaging area of reflex reflector, clear train structure image can be shot to the area array camera; and the light projection direction of the line light source reflected by the reflecting device and the imaging direction of the area array camera through the reflecting device are provided with included angles, and the sizes and the positions of the parts on the surface of the train are different, so that the observation in the imaging direction of the area array camera provided with the included angles in the light projection direction can see the shape of the light which changes along with the depth of the parts on the surface of the train in a zigzag manner, and therefore, the three-dimensional image of the surface structure of the train can be collected by the area array camera.
Can derive through above-mentioned working process, the embodiment of the utility model provides a three-dimensional train image acquisition system, the equal level setting of line source and area array camera is compared to traditional on the tiny fragments of stone, coal, etc. track light source and the equal vertical mode that sets up of area array camera on the tiny fragments of stone, coal, etc. track bed can adapt to the limited characteristics of distance of ballastless track apart from the train bottom, and simultaneously, through setting up reflector, increase reflector's width or change reflector's angle, the image field of vision that the area array camera was obtained increases, compare in the area array camera of directly shooting train bottom image, the train structure that can gather increases.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a ballast track;
fig. 2 is a schematic structural diagram of a ballastless track;
fig. 3 is a schematic structural diagram of a first three-dimensional train image acquisition system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second three-dimensional train image acquisition system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a third three-dimensional train image acquisition system according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a fourth three-dimensional train image acquisition system according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a fifth three-dimensional train image acquisition system according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a sixth three-dimensional train image acquisition system according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a seventh three-dimensional train image acquisition system according to an embodiment of the present invention.
The correspondence between the structures and reference numerals in fig. 1 to 9 is as follows:
1-in-rail bottom image detection system, 2-side-rail image detection system, 3-track bed, 4-fastener, 5-linear light source, 6-area-array camera, 7-reflecting device, 71-first reflector, 72-second reflector, 73-reflector included angle, 74-reflector included angle adjusting device, 8-linear array camera, 9-complementary light source, 10-light source pitch angle adjusting device, 11-camera pitch angle adjusting device, 12-infrared image acquisition equipment, 13-ultraviolet image acquisition equipment, 14-dustproof device, 141-light inlet, 142-light transmitting glass, 15-first three-dimensional train image acquisition system, 16-second three-dimensional train image acquisition system, 17-third three-dimensional train image acquisition system, 2-track side image acquisition system, 3-track bed, 4-fastener, 5-linear array camera, 3-area-linear array camera, 9-complementary light source, 10, 18-ballastless track.
Detailed Description
The embodiment of the utility model provides a three-dimensional train image acquisition system's scheme based on ballastless track has solved among the prior art introduced among the background art traditional train image acquisition system and has been difficult to adapt to ballastless track's structural feature, and the limited problem of image field of vision scope of shooting.
In order to make those skilled in the art better understand the technical solution of the embodiments of the present invention and make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the following description of the technical solution of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
Referring to fig. 3, a structure diagram of a three-dimensional train image acquisition system according to an embodiment of the present invention is shown. As shown in fig. 3, the three-dimensional train image acquisition system provided in this embodiment is based on a ballastless track, and includes:
the line light source 5 and the area array camera 6 are arranged along the length direction of the ballastless track 18;
the reflecting device 7 is arranged between the linear light source 5 and the area array camera 6, and a reflecting surface extends along the width direction of the ballastless track 18;
line source 5 and area array camera 6 set up along 18 length direction of ballastless track, and set up the reflex reflector 7 that the reflector extended along 18 width direction of ballastless track between line source 5 and the area array camera 6, the light that line source 5 sent is through the reflex reflector 7 reflection, can shine the train surface, and area array camera 6 passes through reflex reflector 7, can shoot the picture that includes train surface structure, need the vertical setting of area array camera 6 and line source 5 to detect the mode of arranging of train image among the ballasty track among the prior art, but line source 5 and area array camera 6 transverse distribution in this embodiment, thereby reduce the whole height of line source 5 and area array camera 6, the fastener that can adapt to ballastless track 18 is highly limited and the railway roadbed is harder, can't bury the structural feature deeply with three-dimensional train image acquisition system.
Wherein, the light projection area of the linear light source 5 reflected by the reflector 7 is overlapped with the imaging area of the area-array camera 6 reflected by the reflector 7, and the imaging area covers the light projection area.
The light projection area of the line light source 5 reflected by the reflecting device 7 is overlapped with the imaging area of the area array camera 6 by the reflecting device 7, so that the light projection area of the train irradiated by the line light source 5 can be shot by the area array camera 6, and the area array camera 6 can acquire a clear image of the train structure.
An included angle is formed between the projection direction of the light reflected by the reflecting device 7 of the linear light source 5 and the imaging direction of the area array camera 6 through the reflecting device 7.
The size and the position of the part on the surface of the train are different, the area of the surface of the train is projected by observing the light in the imaging direction of the area-array camera 6, the shape of the linear light beam can be observed to be the shape which changes along with the height of the part on the surface of the train in a zigzag manner, and the shape is specifically shown as a square frame a in figure 3, so that an included angle is formed between the light projection direction and the imaging direction of the area-array camera 6, a three-dimensional image of the train structure containing the depth information of the train structure can be shot, and the three-dimensional image acquisition of the train.
The embodiment of the utility model provides a three-dimensional train image acquisition system sets up line source 5 and area array camera 6 along 18 length direction of ballastless track to between line source 5 and the area array camera 6, set up the reflex reflector 7 that 18 width direction of ballastless track extend is followed to the reflection of light face. Light rays irradiated to the reflecting device 7 by the line light source 5 can be reflected to the train through the reflecting device 7, an imaging area of the train is reflected to the area array camera 6 through the reflecting device 7, and when a light ray projection area reflected by the reflecting device 7 by the line light source 5 is overlapped with an imaging area of the area array camera 6 through the reflecting device 7, the area array camera 6 can shoot a clear image of the train structure; and the light projection direction of the linear light source 5 reflected by the reflector 7 and the imaging direction of the area array camera 6 through the reflector 7 are provided with an included angle (an included angle alpha in fig. 3), and the size and the position of the part on the surface of the train are different, so that the shape of the light which changes along with the depth of the part on the surface of the train in a zigzag manner can be seen by observing in the imaging direction of the area array camera 6 which is provided with the included angle with the light projection direction, and therefore, the three-dimensional image of the surface structure of the train can be collected by the area array camera 6.
Can derive through above-mentioned working process, the embodiment of the utility model provides a three-dimensional train image acquisition system, the equal level setting of line source 5 and area array camera 6, compare to the traditional mode that has the equal vertical setting of line source 5 and area array camera 6 on the tiny fragments of stone, etc. rail 18 beds of ballastless track, highly reduce, can adapt to the limited characteristics of distance from the train bottom, and simultaneously, through setting up reflex reflector 7, increase the width of reflex reflector 7 or change the angle of reflex reflector 7, the image field of vision that area array camera 6 acquireed increases, compare in the area array camera 6 of directly shooting train bottom image, the train structure that can gather increases.
In order to acquire the two-dimensional image of train spare part structure simultaneously, conveniently detect the analysis to train bottom spare part, as shown in fig. 4, do the embodiment of the utility model provides a three-dimensional train image acquisition system's of second kind structural schematic diagram. The three-dimensional train image acquisition system shown in fig. 4 includes, in addition to the structure in fig. 3: the linear array camera 8 is arranged on the opposite side of the area array camera 6, the lens of the linear array camera 8 faces the reflecting device 7, and the linear array camera 8 covers the light projection area through the imaging area of the reflecting device 7.
The linear array camera 8 is located on the opposite side of the area camera 6, namely, on one side of the line light source 5, and the imaging area of the linear array camera 8 covers the light projection area, so that the image acquired by the linear array camera 8 is a linear image observed from one side of the linear array camera 8, specifically, as shown by a box b in fig. 4, therefore, the linear array camera 8 can capture two-dimensional image information of a bottom structure of the train, and thus, two-dimensional image acquisition of a bottom part structure of the train is realized.
As an example, as shown in fig. 4, the line camera 8 and the area camera 6 are located in the same vertical plane perpendicular to the plane of the track or on the same line parallel to the track.
The linear array camera 8 and the area array camera 6 are located in the same vertical plane perpendicular to the plane of the rail or on the same straight line parallel to the rail, images of the same train structure can be shot by the linear array camera 8 and the area array camera 6, and therefore two-dimensional images and three-dimensional images of the same structure of the train can be obtained simultaneously, analysis and comparison of the structure of parts at the bottom of the train can be further facilitated by combining the two-dimensional images and the three-dimensional images, and more detailed analysis can be performed on the same structure of the train conveniently.
In order to enable the line camera 8 to accurately capture a two-dimensional image of the train, as shown in fig. 4, the line camera 8 is located on the same side as the linear light source 5, and an axis of a lens of the line camera 8 is located in a plane formed by the irradiation light of the linear light source 5.
The lens axis of the line camera 8 is located in the plane formed by the irradiation light of the line light source 5, then the shooting direction of the camera is parallel to the irradiation light of the line light source 5, when the line camera 8 shoots the area at the bottom of the train where the irradiation light of the line light source 5 is located, the obtained linear image is obtained, and the two-dimensional image information of the surface structure of the train can be obtained.
As shown in fig. 5, as a preferred embodiment, the three-dimensional train image acquisition system shown in fig. 5 further includes, in addition to the respective structures shown in fig. 4: and the light supplement source 9 is arranged at the side of the linear light source 5, and the light projection direction of the light supplement source 9 faces the light reflecting device 7.
Through setting up light supplementing source 9, and light supplementing source 9's light projection direction is towards reflex reflector 7, can carry out the light filling to the train substructure that area array camera 6 was shot to make area array camera 6 acquire clear train substructure image.
Meanwhile, the light supplementing source 9 and the linear array camera 8 are both arranged on one side of the line light source 5, the shooting direction of the linear array camera 8 is flush with the light irradiation area of the light supplementing source 9, when the linear array camera 8 shoots the area of the train irradiated by the light supplementing source 9, a linear image is obtained, and the two-dimensional image information of the surface structure of the train can be obtained.
In addition, in order to reduce the problems that the type of the image taken by the area-array camera 6 is single, the uncertainty of image recognition is high, and the accuracy is low, as shown in fig. 6, the three-dimensional train image acquisition system shown in the embodiment shown in fig. 6 further includes, in addition to the structures shown in fig. 3: and the infrared image acquisition equipment 12 and the ultraviolet image acquisition equipment 13 are respectively arranged at the side of the area array camera 6, and the shooting direction of the infrared image acquisition equipment and the shooting direction of the ultraviolet image acquisition equipment face to the reflecting device 7.
The infrared image collection device 12 (such as an infrared camera) can shoot infrared images, the ultraviolet image collection device 13 (such as an ultraviolet camera) can shoot ultraviolet images, and by arranging the infrared image collection device 12 and the ultraviolet image collection device 13, train structure information which is difficult to obtain by the common area array camera 6 can be obtained, so that more details of a train structure can be found, and if the train part temperature is detected by the infrared image collection device, whether the train part is overheated can be further judged according to the train part temperature.
In addition, in order to adjust the positions of the light projection area and the imaging area, as shown in fig. 3 to 6, the three-dimensional train image acquisition system in the above embodiment further includes: and a light source pitch angle adjusting device 10 connected with the linear light source 5.
The position of the linear light source 5 reflected to the light projection area of the train through the reflecting device 7 can be adjusted by arranging the light source pitch angle adjusting device 10.
And a camera pitch angle adjusting device 11 connected to the area-array camera 6.
Through setting up camera pitch angle adjusting device 11, can adjust area array camera 6 through the position of reflex reflector 7 in the image formation region of train, light source pitch angle adjusting device 10 and camera pitch angle adjusting device 11 mutually support simultaneously for image formation region and light projection area overlap each other, and area array camera 6 can acquire the three-dimensional image of the different structures in train bottom.
As shown in fig. 3 to 7, the light reflecting device 7 includes: and a first reflecting mirror 71 disposed between the linear light source 5 and the area array camera 6 and having a reflecting surface facing the linear light source 5.
The first reflector 71 is disposed between the line light source 5 and the area array camera 6, and the reflective surface faces the line light source 5, and can reflect the light irradiated by the line light source 5 to the train bottom structure, so as to form a light projection area on the train surface.
And a second reflecting mirror 72 disposed between the linear light source 5 and the area array camera 6 with a reflecting surface facing the area array camera 6;
the second reflective mirror 72 is disposed between the linear light source 5 and the area-array camera 6, and the reflective surface faces the area-array camera 6, so that an image of the train bottom structure can be reflected into the lens of the area-array camera 6, and the area-array camera 6 can shoot the image of the train bottom structure.
Wherein, the reflecting surface of the first reflector 71 and the reflecting surface of the second reflector 72 are both inclined upwards and form a reflector included angle 73;
the reflective surface of the first reflector 71 and the reflective surface of the second reflector 72 are inclined upwards to form a reflector included angle 73, the imaging area of the train surface structure shot by the line light source 5 in the train surface light projection area and the area array camera 6 can be overlapped, so that the area array camera 6 shoots the light projection area of the line light source 5 at the bottom of the train, the size and the position of the train bottom part structure are different, the shape of the light, which changes in a zigzag mode along with the depth of the train bottom part structure, can be shot, and the three-dimensional image collection of the train bottom part structure is realized.
The light reflecting device 7 further includes a mirror included angle adjusting device 74 connected to the first mirror 71 and the second mirror 72, respectively.
Through setting up reflector included angle adjusting device 74, the device links to each other respectively with first reflector 71 and second reflector 72, can adjust the contained angle between first reflector 71 and the second reflector 72 plane of reflection, can adjust the position of the light projection region of line source 5 projection bottom the train, and can adjust area array camera 6 through the position of the imaging area of reflector in the train bottom, and then make area array camera 6 shoot the three-dimensional image of the different structures in train bottom.
As shown in fig. 8, fig. 8 is a schematic structural diagram of a sixth three-dimensional train image acquisition system according to an embodiment of the present invention. The three-dimensional train image acquisition system provided by the embodiment further comprises the following structural modules in addition to the structural modules shown in fig. 3: a dust-proof device 14 for accommodating the line light source 5, the area-array camera 6 and the reflector 7;
through setting up dust keeper 14 who holds line source 5, area array camera 6 and reflex reflector 7, can avoid line source 5, area array camera 6 and reflex reflector 7 to fall into the dust, avoid influencing the definition of the train bottom structure image that area array camera 6 was shot, influence the sensitivity of above-mentioned device.
The dust-proof device 14 is provided with a light-transmitting opening 141 corresponding to the light-reflecting device 7, and the light-transmitting opening 141 is covered with a coated light-transmitting glass 142.
The light-transmitting opening 141 is formed in the position corresponding to the light reflecting device 7, so that the dust-proof device 14 can be prevented from shielding light entering and exiting the light reflecting device 7, and meanwhile, the light-transmitting opening 141 is covered with the coated light-transmitting glass 142, so that the light reflecting device 7 can be prevented from falling into dust.
As shown in fig. 9, fig. 9 is a schematic structural diagram of a seventh three-dimensional train image acquisition system according to the embodiment of the present invention. The utility model discloses the example provides a three-dimensional train image acquisition system includes: the first three-dimensional train image acquisition system 15 is fixed on a track bed in the middle of a branch track of the ballastless track 18;
the first three-dimensional train image acquisition system 15 is fixed in the middle of a branch rail of the ballastless track 18 and can acquire a three-dimensional image of a train bottom structure corresponding to the middle position of the branch rail of the ballastless track 18.
A second three-dimensional train image acquisition system 16 fixed on a track bed at the inner side of a branch track of the ballastless track 18;
the second three-dimensional train image acquisition system 16 fixes a track bed at the inner side of a branch track of the ballastless track 18, and can acquire a three-dimensional image of a train bottom structure corresponding to the position of the inner side of the branch track of the ballastless track 18.
And/or a third three-dimensional train image acquisition system 17 fixed on a track bed outside a support rail of the ballastless track 18.
The third three-dimensional train image acquisition system 17 is fixed to a track bed on the outer side of a branch rail of the ballastless track 18, and can acquire a three-dimensional image of a train structure corresponding to the position of the outer side of the branch rail of the ballastless track 18.
The first three-dimensional train image acquisition system 15, the second three-dimensional train image acquisition system 16 and the third three-dimensional train image acquisition system 17 are respectively arranged, so that three-dimensional images of different parts of a train can be acquired, image acquisition of part structures of all parts of the train is realized, leak detection and repair of the part structures at the bottom of the train are avoided, and detection efficiency is improved.
The embodiment of the utility model provides a three-dimensional train image acquisition system, set up line source 5 and area array camera 6 along 18 length direction on ballastless track, and set up the reflector 7 that the reflector extends along 18 width direction on ballastless track between line source 5 and area array camera 6, line source 5 shines the light of reflector 7 and reflects the train bottom through reflector 7, the same imaging area of train bottom shows in area array camera 6 through the reflection of reflector 7 equally, when line source 5 throws the region through the light of reflector 7 reflection and overlaps with area array camera 6 through the imaging area of reflector 7, area array camera 6 can shoot clear train structure image; and the light projection direction of the linear light source 5 reflected by the reflecting device 7 and the imaging direction of the area array camera 6 reflected by the reflecting device 7 are provided with included angles, and the size and the position of the part on the surface of the train are different, so that the observation in the imaging direction of the area array camera 6 provided with the included angles with the light projection direction can see the shape of the light which changes along with the depth of the part on the surface of the train in a zigzag manner, and therefore, the area array camera 6 can acquire the three-dimensional image of the surface structure of the train.
Can derive through above-mentioned working process, the embodiment of the utility model provides a three-dimensional train image acquisition system, line source 5, reflex reflector 7 and the 6 level collineations of area array camera, line source 5 and the 6 equal level settings of area array camera, compare the traditional mode that has the equal vertical setting of line source 5 and area array camera 6 on the tiny fragments of stone, etc. track, highly reduce, can adapt to the limited characteristics of the distance of 18 beds of ballastless track apart from the train bottom, and simultaneously, through setting up reflex reflector 7, increase the width of reflex reflector 7 or change reflex reflector 7's angle, the image field of vision that area array camera 6 obtained is bigger, compare in the area array camera 6 of directly shooing the train bottom image, the train structure that can gather increases.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a three-dimensional train image acquisition system based on ballastless track which characterized in that includes:
the system comprises a linear light source (5) and an area array camera (6) which are arranged along the length direction of a ballastless track (18);
the reflecting device (7) is arranged between the linear light source (5) and the area array camera (6), and a reflecting surface extends along the width direction of the ballastless track (18); wherein,
the light projection area of the linear light source (5) reflected by the reflecting device (7) is overlapped with the imaging area of the area array camera (6) by the reflecting device (7), and the imaging area covers the light projection area;
the line light source (5) is arranged at an included angle between the projection direction of the light reflected by the reflecting device (7) and the imaging direction of the area array camera (6) through the reflecting device (7).
2. The three-dimensional train image acquisition system according to claim 1, further comprising:
the linear array camera (8) is arranged on the opposite side of the area array camera (6), and a lens (81) of the linear array camera (8) faces the reflecting device (7).
3. The three-dimensional train image acquisition system according to claim 2, characterized in that the line camera (8) and the area camera (6) are located in the same vertical plane perpendicular to the plane of the ballastless track (18).
4. The three-dimensional train image acquisition system according to claim 2, wherein the line camera (8) is positioned on the same side of the line light source (5), and the lens axis of the line camera (8) is positioned in the plane formed by the irradiation light of the line light source (5).
5. The three-dimensional train image acquisition system according to claim 1, further comprising:
and the light compensating source (9) is arranged on the side of the linear light source (5), and the light projection direction of the light compensating source (9) faces the reflecting device (7).
6. The three-dimensional train image acquisition system according to claim 1, wherein the light reflecting device (7) comprises:
a first reflector (71) which is arranged between the linear light source (5) and the area-array camera (6) and has a reflective surface facing the linear light source (5); and a second reflector (72) which is arranged between the linear light source (5) and the area-array camera (6) and has a reflective surface facing the area-array camera (6); wherein,
the reflecting surface of the first reflector (71) and the reflecting surface of the second reflector (72) are both inclined upwards and form a reflector included angle (73);
the reflecting device (7) further comprises a reflector included angle adjusting device (74) which is respectively connected with the first reflector (71) and the second reflector (72).
7. The three-dimensional train image acquisition system according to claim 1, further comprising:
a light source pitch angle adjusting device (10) connected with the linear light source (5); and the number of the first and second groups,
and the camera pitch angle adjusting device (11) is connected with the area-array camera (6).
8. The three-dimensional train image acquisition system according to claim 1, further comprising:
the infrared image acquisition equipment (12) and the ultraviolet image acquisition equipment (13) are respectively arranged at the side of the area-array camera (6) and the shooting direction of the infrared image acquisition equipment faces the reflecting device (7).
9. The three-dimensional train image acquisition system according to claim 1, further comprising:
a dust-proof device (14) accommodating the line light source (5), the area-array camera (6) and the light-reflecting device (7);
the dustproof device (14) is provided with a light-transmitting opening (141) corresponding to the part of the light reflecting device (7), and the light-transmitting opening (141) is covered with coated light-transmitting glass (142).
10. The three-dimensional train image acquisition system according to any one of claims 1 to 9, comprising:
the first three-dimensional train image acquisition system (15) is fixed on a track bed in the middle of a branch track of the ballastless track (18);
the second three-dimensional train image acquisition system (16) is fixed on a track bed at the inner side of a support rail of the ballastless track (18); and/or the presence of a gas in the gas,
and the third three-dimensional train image acquisition system (17) is fixed on a track bed at the outer side of the support track of the ballastless track (18).
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| CN201620571393.6U CN205879131U (en) | 2016-06-14 | 2016-06-14 | Three -dimensional train image acquisition system based on ballastless track |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101585A (en) * | 2017-04-28 | 2017-08-29 | 北京锦鸿希电信息技术股份有限公司 | Wheel diameters detecting system and method |
| WO2018176321A1 (en) * | 2017-03-27 | 2018-10-04 | 苏州优函信息科技有限公司 | Light surface imaging laser radar based on line light source and area-array camera and detection method |
| CN109283187A (en) * | 2018-10-12 | 2019-01-29 | 成都精工华耀科技有限公司 | A kind of lightweight track two dimension and three-dimensional fusion imaging system |
| CN110166672A (en) * | 2019-05-22 | 2019-08-23 | 成都铁安科技有限责任公司 | Train image acquisition device and system |
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2016
- 2016-06-14 CN CN201620571393.6U patent/CN205879131U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018176321A1 (en) * | 2017-03-27 | 2018-10-04 | 苏州优函信息科技有限公司 | Light surface imaging laser radar based on line light source and area-array camera and detection method |
| CN107101585A (en) * | 2017-04-28 | 2017-08-29 | 北京锦鸿希电信息技术股份有限公司 | Wheel diameters detecting system and method |
| CN109283187A (en) * | 2018-10-12 | 2019-01-29 | 成都精工华耀科技有限公司 | A kind of lightweight track two dimension and three-dimensional fusion imaging system |
| CN110166672A (en) * | 2019-05-22 | 2019-08-23 | 成都铁安科技有限责任公司 | Train image acquisition device and system |
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