CN215413599U - Railway contact net suspension detection device with camera array dynamic identification function - Google Patents
Railway contact net suspension detection device with camera array dynamic identification function Download PDFInfo
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- CN215413599U CN215413599U CN202121648519.2U CN202121648519U CN215413599U CN 215413599 U CN215413599 U CN 215413599U CN 202121648519 U CN202121648519 U CN 202121648519U CN 215413599 U CN215413599 U CN 215413599U
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Abstract
The utility model discloses a railway contact net suspension detection device with a dynamic camera array identification function, which comprises a railway signal acquisition device and a central system host, wherein the railway signal acquisition device is arranged at the top of a carriage, and the central system host is arranged in a control room; the railway signal acquisition device comprises a mounting base arranged at the top of the carriage, and a fluid-shaped mounting box is arranged on the mounting base; the mounting box is symmetrically provided with camera shooting mechanisms. The utility model aims to solve the defects that the temperature difference of the working environment of the existing contact net suspension detection device is less in adaptation, the anti-interference performance is poor, the impact and the vibration during use cannot be borne, the normal work cannot be carried out under the weather conditions of strong rain, snow, fog and the like around the clock, and the device cannot adapt to various lines.
Description
Technical Field
The utility model relates to the field of railway vehicle detection networks, in particular to a railway contact network suspension detection device with dynamic camera array identification.
Background
Nowadays, in order to meet the development requirements of high-speed railways, advanced contact network detection technology is continuously applied to operation management. The high-speed railway contact net overhaul precision requirement is high, the operation time is limited, and therefore the contact net suspension state needs to be accurately detected with high efficiency so as to guarantee safe and reliable operation of equipment. The main purpose of the detection of the suspension state of the contact network is to confirm whether parameters and part states of contact network equipment meet safe and reliable operation conditions or not, to give an early warning to the exceeding standard condition of the equipment, to provide pre-repair investigation for maintainers, and to carry out diagnosis and treatment on the contact network equipment by the maintainers through statistical analysis of detection data so as to ensure safe and stable operation of the contact network equipment. The detection quality of the suspension state of the contact network is closely related to the maintenance quality of the equipment, so that scientific and technological means must be adopted, the technical prevention target is practically realized, and the 4C technical means is adopted to realize accurate detection.
Under the condition that the high-speed railway contact net detection technology is gradually mature, the detection technology is improved to meet the requirement of heavy-load line detection, and the detection is necessary for the suspension of the heavy-load railway contact net, so that the technology of Germany abroad is developed fastest, and the maturity is higher. As early as the seventies, german research institutes have developed a non-contact measurement system capable of measuring the suspension state of the whole overhead line system through linear array binocular cameras, two groups of 4 linear array shooting cameras and auxiliary lighting equipment are installed on the roof of the vehicle, a displacement sensor is installed on the vehicle body to eliminate measurement errors caused by vehicle body swinging, the operation working conditions of the pantograph and the overhead line system can be shot under any lighting conditions, images and videos such as a pantograph, a contact suspension and the like are transmitted to a computer in the vehicle, and suspension parameters and waveforms of the overhead line system are analyzed and output after calculation. The development of the domestic electrified railway is relatively slow, and the test vehicle is firstly updated and modified in 1962. The detection of the contact net is developed with the transformation of a large-area electrified railway in the late eighties, the detection technology in China is mainly developed by referring to the technology of learning Germany, the test vehicle is started in 1984 after the development of a contact net detection vehicle, the test vehicle has single function and low line speed grade and can only meet the detection of geometrical parameters such as contact line height, pull-out value and the like of the existing line below 100km/h, and the test vehicle is based on the transformation of a passenger car body and realizes the contact measurement of geometrical parameters of the contact net by additionally arranging a stress sensor.
Therefore, aiming at the characteristics that the surrounding geographic environment, the line condition and the weather condition are complex and changeable when the electrified railway contact net is erected along a railway line, and the abnormal state of contact net equipment is easy to occur, the contact net suspension detection device with strong environmental adaptability, strong anti-interference performance and higher measurement precision is developed, and is suitable for the development of the high-speed railway industry.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a railway contact net suspension detection device with dynamic identification of a camera array, which solves the defects of the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a railway contact network suspension detection device with dynamic camera array identification comprises a railway signal acquisition device arranged at the top of a carriage and a central system host arranged in a control room, wherein the railway signal acquisition device is connected with the central system host in a wireless communication mode; the method is characterized in that: the railway signal acquisition device comprises a mounting base arranged at the top of the carriage, and a fluid-shaped mounting box is arranged on the mounting base; the mounting box is symmetrically provided with camera shooting mechanisms; the mounting base is symmetrically provided with two mounting structures, and the mounting structures are connected with the mounting base and the top of the carriage; and a lightning protection needle assembly is installed at the top of the installation box and is connected with a lightning protection facility of the carriage.
According to the optimized scheme, the camera shooting mechanism comprises two camera array groups which are symmetrically arranged in the mounting box, and each camera array group consists of five cameras; all cameras in the high-definition camera array adopt high-performance industrial cameras.
In the optimized scheme, a camera light supplement array is further installed in the installation box; the camera light supplement array comprises a mounting plate and a plurality of xenon lamps and LED light sources on the mounting plate; and the xenon lamp and the LED light source are used for synchronous light supplement.
According to the optimized scheme, a trigger system is further installed in the installation box and connected with the camera and the camera light supplement array; the industrial GPS positioning device is adopted by the trigger system, and the industrial GPS positioning device adopts a GPS second pulse frequency multiplication signal to trigger the phase.
According to the optimized scheme, the mounting structure comprises oblique threaded holes symmetrically arranged at two sides of a mounting base, and mounting bolts are mounted on the oblique threaded holes; the bottom end of the mounting bolt is connected with a positioning mechanism, and the top end of the mounting bolt is provided with a handle.
According to the optimized scheme, the positioning mechanism comprises a positioning seat connected to the mounting bolt, and a protruding cushion pad is arranged between the positioning seat and the carriage.
According to the optimized scheme, the bottom of the mounting base is provided with a concave cushion pad corresponding to the outer surface of the top of the carriage.
According to the optimized scheme, a plurality of ventilation pipes transversely penetrate through the mounting base; and a horn-shaped air outlet and a horn-shaped air inlet are respectively arranged at the two ends of the ventilation pipe.
According to the optimized scheme, the mounting box is made of a composite plate; the composite plate comprises an internal stainless steel plate, and the outer surface of the stainless steel plate is coated with a scratch-resistant layer made of scratch-resistant paint; an enamel layer and an insulating coating are arranged on the inner surface of the stainless steel plate.
Due to the adoption of the technology, compared with the prior art, the utility model has the beneficial effects that:
the utility model aims to solve the defects that the temperature difference of the working environment of the existing contact net suspension detection device is less in adaptation, the anti-interference performance is poor, the impact and the vibration during use cannot be borne, the normal work cannot be carried out under the weather conditions of strong rain, snow, fog and the like around the clock, and the device cannot adapt to various lines.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a mounting base according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a composite plate for mounting a cartridge according to an embodiment of the present invention;
fig. 4 is a block diagram of the overall structure of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples
As shown in fig. 1 to 3, the railway catenary suspension detection device with dynamic camera array identification includes a railway signal acquisition device installed at the top of a carriage and a central system host arranged in a control room, wherein the railway signal acquisition device is connected with the central system host in a wireless communication manner.
The railway signal acquisition device comprises a mounting base 9 mounted at the top of the carriage, and a fluid-shaped mounting box 2 is arranged on the mounting base 9. The mounting box 2 is symmetrically provided with camera shooting mechanisms 3. The camera shooting mechanism 3 comprises two camera array groups symmetrically arranged in the mounting box, and each camera array group consists of five cameras. All cameras in the high-definition camera array adopt high-performance industrial cameras. And a camera light supplement array 17 is also arranged in the mounting box. The camera light supplement array 17 comprises a mounting plate and a plurality of xenon lamps and LED light sources on the mounting plate; and the xenon lamp and the LED light source are used for synchronous light supplement. And a trigger system is further installed in the mounting box and connected with the camera and the camera light supplement array. The industrial GPS positioning device is adopted by the trigger system, and the industrial GPS positioning device adopts a GPS second pulse frequency multiplication signal to trigger the phase.
In this embodiment, all the cameras in the high-definition camera array are high-performance industrial cameras, the dynamic range is large, high-frequency shooting during rapid illumination change can be met, image time resolution required by a system can be met, and imaging space resolution required by the system can be met due to high pixel height. The camera light supplement array adopts the self-adaptive light supplement technology, and parameters such as an aperture and gain of a camera can be adjusted in real time according to ambient light illumination information and the like so as to optimize imaging conditions. The industrial GPS positioning device adopted by the trigger system obtains train running position information, simultaneously adopts a GPS second pulse frequency doubling signal to trigger the shooting of a camera so as to realize the synchronization of image acquisition and positioning information, and simultaneously adopts a series of original sensors of a train carriage to correct the positioning information of a line in real time so as to improve the positioning accuracy, wherein the measurement accumulated error in the motion is eliminated by multi-channel sensing acquisition signals such as a microwave sensor, a track insulation joint, geomagnetism and the like.
The central system host comprises a data acquisition host, a data acquisition board card, a multifunctional processing box, a large-capacity data mobile hard disk and other equipment. The data storage technology in the central host of the system adopts an SSD multi-disk cache technology, realizes concurrent processing and storage of mass data, and can configure a plurality of mass storage disks according to the requirement of line inspection so as to meet the requirement of two weeks of continuous inspection. And ground processing software is installed in the data acquisition host. The ground processing software mainly comprises a data sorting, positioning, analyzing and statistical query subsystem.
As shown in fig. 4, the railway catenary suspension detection device with dynamic camera array identification comprises three subsystems, namely a data acquisition device, a system central host and ground processing software. The data acquisition device mainly completes the multi-channel high-definition image acquisition function and the detection of the geometrical parameters of the contact network; the central host of the system mainly completes the high-speed compression and storage functions of image data and performs necessary post-processing on the image data, including denoising, gray balance, enhancement and the like; alarming and summarizing the overrun data; the ground processing software mainly completes the image data playing function, the intelligent pillar number identifying function and the line data statistical analysis function.
In addition, to ensure the stability of work in the vehicle telling motion. The symmetry of installation base 9 is provided with two mounting structure, and mounting structure connects installation base 9 and carriage top. The top of the mounting box is provided with a lightning protection needle assembly 1, and the lightning protection needle assembly 1 is connected with a lightning protection facility of a carriage.
The mounting structure comprises oblique threaded holes symmetrically arranged at two sides of the mounting base, and mounting bolts 5 are mounted on the oblique threaded holes; the bottom end of the mounting bolt 5 is connected with a positioning mechanism, and the top end of the mounting bolt is provided with a handle 4. The positioning mechanism comprises a positioning seat 7 connected to the mounting bolt, and a raised cushion pad 6 is arranged between the positioning seat and the carriage. And a concave cushion pad 8 corresponding to the outer surface of the top of the carriage is arranged at the bottom of the mounting base. A plurality of ventilation pipes 10 transversely penetrate through the mounting base. And a horn-shaped air outlet 11 and a horn-shaped air inlet 12 are respectively arranged at the two ends of the ventilation pipe.
The mounting box is made of a composite plate. The composite plate comprises an inner stainless steel plate 15, and a scratch-resistant layer 16 made of scratch-resistant paint is coated on the outer surface of the stainless steel plate. An enamel layer 13 and an insulating coating 14 are provided on the inner surface of the stainless steel plate.
The railway contact net suspension detection device capable of improving the high-speed camera array dynamic identification can realize multi-camera synchronous imaging, a plurality of cameras simultaneously aim at high-definition imaging of core parts (including a flat cantilever insulator, an inclined cantilever insulator, a double-sleeve connector, a positioning pipe, a positioner, a suspension post, an additional suspension and the like), and defects of looseness, breakage, falling, cracking and the like of equipment are found in time; the pole number camera acquires a pole number corresponding to the current shooting position; the continuous video camera continuously shoots the dropper.
The utility model can image the front and the back in time, and images the front and the back of the contact net suspension respectively in the process of detecting the motion of the vehicle through two groups of camera arrays. The utility model carries out automatic positive and negative synchronous imaging processing through the synchronizer of the system, and is convenient for the processing and analysis of ground analysis software in the later period.
The railway contact net suspension detection device with the improved high-speed camera array dynamic recognition function can intelligently supplement light, and automatically supplement light in a tunnel and at night by adopting an intelligent light sensing technology. The light supplement adopts a xenon lamp and an intelligent LED cold light source, and a trigger stroboscopic mode is adopted according to the camera array, so that the characteristics of high energy conservation, high brightness, no smear during high-speed snapshot and the like of the system are realized.
The railway contact net suspension detection device for improving the dynamic identification of the high-speed camera array adopts military GPS positioning clock triggering to realize strict clock synchronization, ensure the strict synchronization of a global camera and a detail camera and the strict synchronization of stroboflash of a shooting and light supplement lamp, simultaneously record the GPS positioning information at the shooting moment, store geographic coordinate information for a shot image, and simultaneously integrate a displacement speed sensor to position a kilometer post and a pole number and eliminate accumulated errors.
The utility model can also adopt the cloud deck technology, all the camera arrays are arranged on the cloud deck which can be automatically adjusted horizontally and vertically, so that different inspection combination modes of multiple key parts are realized by using the low-cost camera arrays, and the system has high flexibility and applicability.
According to the utility model, the geometric parameters of the contact network are detected in a non-contact mode, and are simultaneously superposed into the vehicle body motion compensation calculation model, the static geometric parameters of the contact network are calculated, the multi-stage overrun data is alarmed, and a classification report is formed.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (9)
1. A railway contact network suspension detection device with dynamic camera array identification comprises a railway signal acquisition device arranged at the top of a carriage and a central system host arranged in a control room, wherein the railway signal acquisition device is connected with the central system host in a wireless communication mode;
the method is characterized in that:
the railway signal acquisition device comprises a mounting base arranged at the top of the carriage, and a fluid-shaped mounting box is arranged on the mounting base; the mounting box is symmetrically provided with camera shooting mechanisms;
the mounting base is symmetrically provided with two mounting structures, and the mounting structures are connected with the mounting base and the top of the carriage;
and a lightning protection needle assembly is installed at the top of the installation box and is connected with a lightning protection facility of the carriage.
2. The railway overhead line system suspension detection device with the dynamic camera array identification function according to claim 1, wherein the device comprises: the camera shooting mechanism comprises two camera array groups which are symmetrically arranged in the mounting box, and each camera array group consists of five cameras; all cameras in the camera array employ high performance industrial cameras.
3. The railway overhead line system suspension detection device with the dynamic camera array identification function according to claim 2, wherein the device comprises: a camera light supplement array is also arranged in the mounting box; the camera light supplement array comprises a mounting plate and a plurality of xenon lamps and LED light sources on the mounting plate; and the xenon lamp and the LED light source are used for synchronous light supplement.
4. The railway overhead line system suspension detection device with the dynamic camera array identification function according to claim 3, wherein the device comprises: a trigger system is further installed in the installation box and connected with the camera and the camera light supplement array; the industrial GPS positioning device is adopted by the trigger system, and the industrial GPS positioning device adopts a GPS second pulse frequency multiplication signal to trigger the phase.
5. The device for detecting the suspension of the overhead line system of the railway with the dynamic camera array identification function as claimed in claim 4, wherein: the mounting structure comprises oblique threaded holes symmetrically arranged at two sides of the mounting base, and mounting bolts are mounted on the oblique threaded holes; the bottom end of the mounting bolt is connected with a positioning mechanism, and the top end of the mounting bolt is provided with a handle.
6. The device for detecting the suspension of the overhead line system of the railway with the dynamic camera array identification function according to claim 5, wherein: the positioning mechanism comprises a positioning seat connected to the mounting bolt, and a raised cushion pad is arranged between the positioning seat and the carriage.
7. The device for detecting the suspension of the overhead line system of the railway with the dynamic camera array identification function as claimed in claim 6, wherein: the bottom of the mounting base is provided with a concave cushion pad corresponding to the outer surface of the top of the carriage.
8. The device for detecting the suspension of the overhead line system of the railway with the dynamic camera array identification function according to claim 7, wherein: a plurality of ventilation pipes transversely penetrate through the mounting base; and a horn-shaped air outlet and a horn-shaped air inlet are respectively arranged at the two ends of the ventilation pipe.
9. The device for detecting the suspension of the overhead line system of the railway with the dynamic camera array identification function according to claim 8, wherein: the mounting box is made of a composite plate; the composite plate comprises an internal stainless steel plate, and the outer surface of the stainless steel plate is coated with a scratch-resistant layer made of scratch-resistant paint; an enamel layer and an insulating coating are arranged on the inner surface of the stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121648519.2U CN215413599U (en) | 2021-07-19 | 2021-07-19 | Railway contact net suspension detection device with camera array dynamic identification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121648519.2U CN215413599U (en) | 2021-07-19 | 2021-07-19 | Railway contact net suspension detection device with camera array dynamic identification function |
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| Publication Number | Publication Date |
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| CN215413599U true CN215413599U (en) | 2022-01-04 |
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| CN202121648519.2U Active CN215413599U (en) | 2021-07-19 | 2021-07-19 | Railway contact net suspension detection device with camera array dynamic identification function |
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2021
- 2021-07-19 CN CN202121648519.2U patent/CN215413599U/en active Active
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