CN213632699U - Ultrathin image acquisition device suitable for rail transit vehicle - Google Patents
Ultrathin image acquisition device suitable for rail transit vehicle Download PDFInfo
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- CN213632699U CN213632699U CN202023048247.0U CN202023048247U CN213632699U CN 213632699 U CN213632699 U CN 213632699U CN 202023048247 U CN202023048247 U CN 202023048247U CN 213632699 U CN213632699 U CN 213632699U
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- array camera
- camera
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- rail transit
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Abstract
The utility model discloses an ultra-thin image acquisition device suitable for rail transit vehicles, which comprises an acquisition unit and a protective box used for installing the acquisition unit; the acquisition unit comprises a shell, and a 2D linear array camera, a 2D camera light source for supplementing light for the 2D linear array camera, a 3D area array camera and a 3D camera light source for supplementing light for the 3D area array camera are arranged in the shell; the 2D linear array camera and the 3D area array camera are both horizontally arranged; the top surface of the shell is provided with a lens, and a reflector I and a reflector II which are used for respectively refracting light rays emitted by the lens to the 2D linear array camera and the 3D area array camera are arranged in the shell; the protective box cover of the protective box top surface is provided with a light transmission window, the light transmission window corresponds to the acquisition unit lens, and the protective box further comprises a switch cover used for shielding the light transmission window. The light rays are refracted by the reflector, so that the camera can acquire the image information of the vehicle without being obliquely installed. Therefore, the installation space of the camera is compressed, and the clearance between the equipment and the limit is ensured.
Description
Technical Field
The utility model relates to an install and carry out image acquisition's device to rail transit vehicle on saying the bed.
Background
The dynamic monitoring system of the running gear is suitable for daily dynamic detection of the key running gear of the rail transit vehicle. The collection box is installed at the inboard at the bottom of the rail in the end, gathers operation vehicle bottom image, and visual key part of automatic identification loses, unusual circumstances such as deformation.
The height of the existing image acquisition device is large, and an installation pit with the width dimension of 400mm and the depth dimension of 400mm needs to be reserved below the track when the track is newly built, so that the device is only suitable for newly-built track beds, and the existing track beds are not allowed to be constructed. In addition, the existing collection and installation pit is complex in construction, and the electric element is installed below the road surface, so that the requirement on the water resistance of equipment is high. And the box body is arranged under the ballast bed, so that the installation and debugging are inconvenient.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an it is applicable to ultra-thin image acquisition device of rail transit vehicle can install and carry out image acquisition work on existing railway roadbed.
In order to solve the technical problem, the technical scheme of the utility model is to adopt an ultra-thin image acquisition device suitable for rail transit vehicles, which comprises an acquisition unit and a protective box for installing the acquisition unit; the acquisition unit comprises a shell, and a 2D linear array camera, a 2D camera light source for supplementing light for the 2D linear array camera, a 3D area array camera and a 3D camera light source for supplementing light for the 3D area array camera are arranged in the shell; the 2D linear array camera and the 3D area array camera are both horizontally arranged; the top surface of the shell is provided with a lens, and a reflector I and a reflector II which are used for respectively refracting light rays emitted by the lens to the 2D linear array camera and the 3D area array camera are arranged in the shell; the protective box cover of the protective box top surface is provided with a light transmission window, the light transmission window corresponds to the acquisition unit lens, and the protective box further comprises a switch cover used for shielding the light transmission window. The cameras in the existing acquisition devices must be arranged obliquely in order to acquire the images of the vehicles, which results in that the height of the whole device is too high and the device can collide with trains if being directly installed on the track bed. And the utility model discloses a thereby the refraction of speculum makes camera horizontal installation compress installation space and has reduced the whole height of device.
As an improvement, the reflector II, the 3D area-array camera, the reflector I and the 2D line-array camera are arranged from front to back, and the 2D camera light source and the 3D camera light source are respectively arranged on the left side and the right side of the 2D line-array camera.
As a further improvement, the included angle between the reflector I and the horizontal line is 22.5-67.5 degrees, and the included angle between the reflector II and the horizontal line is 35-85 degrees.
As another further improvement, a track is arranged at the transparent window of the protective box, and sliding rollers matched with the track are arranged on the side wall of the switch cover; the switch cover is characterized by also comprising an electric push rod for driving the switch cover to move back and forth. The switch cover is driven to be opened and closed by the electric push rod, and the switch cover in a non-working state is closed to avoid damage to the internal acquisition unit.
As a refinement, the rail comprises a front, upwardly inclined section and a rear, horizontal section. So that the switch cover moves a certain distance obliquely upwards and then moves horizontally.
As an improvement, two sides of the bottom of the switch cover are respectively provided with a connecting rod, and two rollers are arranged in front of and behind the connecting rods; the tracks on two sides of the light transmission window of the protective box are respectively two in front and at the back and are respectively matched with the two rollers. Two rollers are respectively arranged on the left side and the right side, so that the movement of the switch cover is more stable, and the guidance performance is stronger.
As an improvement, a foaming sealing strip is laid on the bottom surface of the switch cover. The sealing performance of the protective box is enhanced, so that the protective box has certain waterproof performance.
As an improvement, the switch cover further comprises a limiting device for detecting whether the switch cover is closed in place. For controlling the movement of the electric putter.
As an improvement, the protective box further comprises a mounting bottom plate arranged on the foundation, and the protective box is connected with the mounting bottom plate through bolts.
The utility model discloses an useful part lies in: the rail transit vehicle image acquisition device with the structure utilizes the reflector to refract light rays, so that the camera can acquire vehicle image information without being obliquely installed. Therefore, the installation space of the camera is compressed, the thickness of the whole device can be installed on the existing road bed without collision with a rail transit vehicle, and the gap between the equipment and the vehicle running limit gap is ensured. The device has simple structure, small box body height and light weight; the electrical component layout meets imaging quality requirements. Because the device is arranged on the ground, the installation and debugging are quick and convenient; in addition, the appearance is beautiful.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a cross-sectional view of the acquisition unit.
Fig. 3 is a top view of the acquisition unit with the top cover removed.
Fig. 4 is a schematic view of the installation of the switch cover.
Fig. 5 is a schematic view of a track.
The labels in the figure are: 1-acquisition unit, 2-protective box, 3-protective box cover, 4-switch cover, 5-mounting bottom plate, 6-electric push rod, 7-connecting rod, 8-roller, 9-limiting device, 10-rail, 11-foaming sealing strip, 21-shell, 22-top cover, 23-2D linear array camera, 24-3D area array camera, 25-reflector I, 26-reflector II, 27-lens I, 28-lens II, 29-2D camera light source, 210-3D camera light source and 211-control panel.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the specific embodiments.
As shown in fig. 1-5, the present invention comprises an acquisition unit 1 and a protective box 2 for mounting the acquisition unit 1; the protective box is characterized by further comprising a mounting bottom plate 5 arranged on the foundation, and the protective box 2 is connected with the mounting bottom plate 5 through bolts.
The acquisition unit 1 comprises a shell 21, and a 2D linear array camera 23, a 2D camera light source 29 for supplementing light for the 2D linear array camera 23, a 3D area array camera 24 and a 3D camera light source 210 for supplementing light for the 3D area array camera 24 are arranged in the shell 21; the 2D linear array camera 23 and the 3D area array camera 24 are both horizontally arranged; a lens is arranged on the top surface of the housing 21, and a reflector I25 and a reflector II26 for respectively refracting light rays incident from the lens to the 2D line camera 23 and the 3D area camera 24 are arranged in the housing 21; the reflector II26, the 3D area-array camera 24, the reflector I25 and the 2D line-array camera 23 are arranged from front to back, and the 2D camera light source 29 and the 3D camera light source 210 are respectively arranged on the left side and the right side of the 2D line-array camera 23. The lens is disposed on the top cover 22 and is divided into a lens I27 corresponding to the mirror I25 and a lens II28 corresponding to the mirror II 26. Of course, the acquisition unit 1 should also include a control panel 211 for controlling the operation of the acquisition unit.
As shown in fig. 2. In this embodiment, the included angle between the reflector I25 and the horizontal line is 22.5 ° to 67.5 °, and the included angle between the reflector II26 and the horizontal line is 35 ° to 85 °. The purpose is as follows: according to the layout requirements of the system, the light paths of the 2D camera light source 29, the 2D line camera 23 and the 3D camera light source 210 form an included angle of 45-135 degrees with the horizontal direction through the reflector I25 and the lens I27, and the light of the 2D camera light source 29 and the light of the 2D line camera 23 need to keep the same line. Therefore, the included angle between the reflector I and the horizontal line is 22.5-67.5 DEG
The 3D area array camera 24 leads the central line of the 3D area array camera to form an included angle of 15-35 degrees with the line light source through the reflecting mirror II26 and the lens II 28. Therefore, the included angle between the reflecting mirror II26 and the horizontal line is 35-85 degrees. Preferably, the 3D area-array camera 24 is angularly adjustable to ensure that the light source is emitted vertically upward. The angle of the light path is changed through the reflector, the size of the structural member in the vertical direction is reduced, and the integral structure is thinned.
A light-transmitting window is arranged on the protective box cover 3 on the top surface of the protective box 2, and the position of the light-transmitting window corresponds to the lens of the acquisition unit 1; and a switch cover 4 for shielding the light-transmitting window. The protective box 2 is welded by aluminum alloy, stress is removed after welding, and then machining is carried out.
It is foreseen that in order to facilitate the fixing of the collecting device 1 inside the protective box 2, the housing 21 of the collecting unit 1 is provided with screw mounting holes, which are fixed inside the protective box 2 by means of screws.
A track 10 is arranged at the position of a light-transmitting window of the protective box 2, and a sliding roller 8 matched with the track 10 is arranged on the side wall of the switch cover 4; and an electric push rod 6 for driving the switch cover 4 to move back and forth is also included. The rail 10 includes a front inclined section inclined upward and a rear horizontal section. In order to ensure that the left side and the right side are evenly stressed, two sides of the bottom of the switch cover 4 are respectively provided with a connecting rod 7, and two rollers 8 are arranged at the front and the back of the connecting rod 7; the rails 10 on the two sides of the light-transmitting window of the protective box 1 are respectively two in the front and the back and are respectively matched with the two rollers 8. The bottom surface of the switch cover 4 is coated with a foaming sealing strip 11. And the limiting device 9 is used for detecting whether the switch cover 4 is closed in place or not.
The utility model discloses an installation technology as follows:
1. firstly, determining the size of a mounting baseplate according to system requirements;
2. drilling a bottom hole of the chemical bolt and installing the chemical bolt;
3. leveling and fixing the mounting bottom plate by using a bottom plate adjusting bolt;
4. fixing the protective box on the mounting bottom plate by using a protective box mounting screw;
5. fixing the acquisition unit in the protective box by using an acquisition unit screw;
6. mounting a switch cover on the protective case cover;
7. and fixing the protective case cover on the protective case by using the protective case cover screw.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (9)
1. An ultrathin image acquisition device suitable for rail transit vehicles comprises an acquisition unit and a protective box for mounting the acquisition unit; the method is characterized in that:
the acquisition unit comprises a shell, and a 2D linear array camera, a 2D camera light source for supplementing light for the 2D linear array camera, a 3D area array camera and a 3D camera light source for supplementing light for the 3D area array camera are arranged in the shell; the 2D linear array camera and the 3D area array camera are both horizontally arranged; the top surface of the shell is provided with a lens, and a reflector I and a reflector II which are used for respectively refracting light rays emitted by the lens to the 2D linear array camera and the 3D area array camera are arranged in the shell;
the protective box cover of the protective box top surface is provided with a light transmission window, the light transmission window corresponds to the acquisition unit lens, and the protective box further comprises a switch cover used for shielding the light transmission window.
2. The ultra-thin image acquisition device suitable for the rail transit vehicle as claimed in claim 1, wherein: the reflector II, the 3D area-array camera, the reflector I and the 2D line-array camera are arranged from front to back, and the 2D camera light source and the 3D camera light source are respectively arranged on the left side and the right side of the 2D line-array camera.
3. The ultra-thin image acquisition device suitable for the rail transit vehicle as claimed in claim 1, wherein: the included angle between the reflector I and the horizontal line is 22.5-67.5 degrees, and the included angle between the reflector II and the horizontal line is 35-85 degrees.
4. The ultra-thin image acquisition device suitable for the rail transit vehicle as claimed in claim 1, wherein: a track is arranged at the position of the light transmission window of the protective box, and sliding rollers matched with the track are arranged on the side wall of the switch cover; the switch cover is characterized by also comprising an electric push rod for driving the switch cover to move back and forth.
5. The ultrathin image acquisition device suitable for the rail transit vehicle as claimed in claim 4, characterized in that: the track includes a front upwardly inclined section and a rear horizontal section.
6. The ultrathin image acquisition device suitable for the rail transit vehicle as claimed in claim 4, characterized in that: two sides of the bottom of the switch cover are provided with connecting rods, and two rollers are arranged in front of and behind the connecting rods; the tracks on two sides of the light transmission window of the protective box are respectively two in front and at the back and are respectively matched with the two rollers.
7. The ultrathin image acquisition device suitable for the rail transit vehicle as claimed in claim 4, characterized in that: and the bottom surface of the switch cover is coated with a foaming sealing strip.
8. The ultrathin image acquisition device suitable for the rail transit vehicle as claimed in claim 4, characterized in that: the switch cover is characterized by also comprising a limiting device for detecting whether the switch cover is closed in place.
9. The ultra-thin image acquisition device suitable for the rail transit vehicle as claimed in claim 1, wherein: the protective box is connected with the mounting bottom plate through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023048247.0U CN213632699U (en) | 2020-12-17 | 2020-12-17 | Ultrathin image acquisition device suitable for rail transit vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023048247.0U CN213632699U (en) | 2020-12-17 | 2020-12-17 | Ultrathin image acquisition device suitable for rail transit vehicle |
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| CN213632699U true CN213632699U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023048247.0U Active CN213632699U (en) | 2020-12-17 | 2020-12-17 | Ultrathin image acquisition device suitable for rail transit vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509012A (en) * | 2021-12-27 | 2022-05-17 | 中铁第一勘察设计院集团有限公司 | Locomotive brake pad imaging detection equipment used in plateau environment |
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2020
- 2020-12-17 CN CN202023048247.0U patent/CN213632699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509012A (en) * | 2021-12-27 | 2022-05-17 | 中铁第一勘察设计院集团有限公司 | Locomotive brake pad imaging detection equipment used in plateau environment |
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