CN210591921U - Dynamic image detection system for whole-body operation faults of motor train unit - Google Patents
Dynamic image detection system for whole-body operation faults of motor train unit Download PDFInfo
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- CN210591921U CN210591921U CN201921273815.1U CN201921273815U CN210591921U CN 210591921 U CN210591921 U CN 210591921U CN 201921273815 U CN201921273815 U CN 201921273815U CN 210591921 U CN210591921 U CN 210591921U
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Abstract
The utility model discloses a EMUs full automobile body operational failure dynamic image detecting system, its characterized in that: the system comprises a detection shed (1), a motor train unit and a control system, wherein the detection shed is arranged on a line before the motor train unit enters a garage and spans above a track to allow the motor train unit to penetrate through the detection shed in a moving mode; the system also comprises a rail edge basic detection unit which is positioned on a detection site and used for acquiring data; the rail side basic detection unit comprises a trigger switch (2), a wheel tread image monitoring unit (3), a walking part image acquisition unit (4), a side box and apron board acquisition unit (5), a car side body image acquisition unit (6), a car window image acquisition unit (7), a car roof image acquisition unit (8) and a car number identification unit (9); when the motor train unit runs through the motor train unit, dynamic image acquisition and detection of running faults of the whole motor train unit body can be carried out, the manual operation difficulty and the operation time can be effectively shortened, the accessory cost is reduced, and the fault detection accuracy and efficiency are improved.
Description
Technical Field
The utility model belongs to rail vehicle overhauls detection area, concretely relates to EMUs full automobile body operation trouble dynamic image detecting system.
Background
At present, the high-speed motor train unit developed in China marks that China railways have crossed into the advanced ranks of railways in the world, such as a motor train unit with high electromechanical integration, and combines the leading-edge technologies in the fields of machinery, electronics, metallurgy, non-metallic material application and the like. However, for the motor train unit running in a high-speed running state, major accidents may be caused by any slight fault, missed detection is easily caused by a traditional inspection operation mode mainly by people, the quality and efficiency of the inspection operation are difficult to guarantee, and the probability of potential safety hazards of the running of the motor train unit is increased. Therefore, the quality of overhauling and applying the motor train unit is improved, and the monitoring of the inspection operation quality of the motor train unit is enhanced.
At present, the inspection operation of the motor train unit faces a plurality of difficulties:
1. the operation range of the passenger train inspection vehicle does not include the motor train unit, and the application safety of the motor train unit cannot be effectively guaranteed;
2. the motor train unit has a complex structure, has more parts for warehousing inspection, is only limited to equipment at the side and the bottom of the motor train, and is easy to cause missed inspection;
3. the operation quality of the motor train unit is difficult to monitor, and the hidden faults which can be reflected in the running process are difficult to find out in the static state maintenance of the motor train unit in the garage.
SUMMERY OF THE UTILITY MODEL
At least one in defect or improvement demand more than prior art, the utility model provides a EMUs full automobile body operation trouble dynamic image detecting system installs on the circuit before EMUs warehouse entry, when EMUs travel through the hole, can carry out the dynamic image collection and the detection of operation trouble to EMUs full automobile body, can effectually shorten the manual work degree of difficulty, activity duration, reduce the accessory cost, improve fault detection rate of accuracy and efficiency.
In order to achieve the above object, according to the utility model discloses an aspect provides a EMUs full automobile body operation trouble dynamic image detecting system, wherein: the detection shed is arranged on a line before the motor train unit enters a garage, spans above a track and allows the motor train unit to penetrate through the detection shed in a moving mode;
the system also comprises a rail edge basic detection unit which is positioned on a detection site and used for acquiring data;
the rail side basic detection unit comprises a trigger switch, a wheel tread image monitoring unit, a walking part image acquisition unit, a side box and apron board acquisition unit, a car side body image acquisition unit, a car window image acquisition unit, a car roof image acquisition unit and a car number identification unit;
the trigger switch, the wheel tread image monitoring unit, the walking part image acquisition unit, the side box and the apron board acquisition unit are all arranged on a ground layer in the detection shed; the car side body image acquisition unit, the car window image acquisition unit, the car roof image acquisition unit and the car number identification unit are all fixed on the detection shed.
Preferably, the trigger switches are arranged on the ground on both sides of each track in the transverse direction;
the trigger switches comprise an incoming trigger switch and an outgoing trigger switch, and are respectively positioned at the front end and the rear end of the running direction of the motor train unit.
Preferably, the wheel tread image monitoring unit is fixed on the transverse outer side of two steel rails of each track.
Preferably, the running gear image acquisition unit is arranged on the ground between two steel rails of each track.
Preferably, the side box and skirt panel collection units are disposed on the ground on both lateral sides of each track.
Preferably, the vehicle side body image acquisition unit is fixed on the inner sides of the side walls of the two detection sheds of the detection shed, and is not in the same very cross section with the side box and the skirt board acquisition unit.
Preferably, the vehicle window image acquisition unit is fixed on the inner sides of the two detection shed side walls of the detection shed and is higher than the vehicle side body image acquisition unit and the side box and apron board acquisition unit.
Preferably, the roof image acquisition units are fixed on the inner sides of the side walls of the two detection sheds of the detection shed, are higher than the vehicle window image acquisition units and are positioned on the side edges of the roof of the motor train unit;
the top image acquisition unit is also arranged above the top of the motor train unit and is fixed on the inner sides of the side walls of the two detection sheds of the detection shed through a transverse support or fixed below the shed top of the detection shed.
Preferably, the car number recognition unit is fixed on the inner sides of the two side walls of the detection shed, is lower than the car side body image acquisition unit, and is located at the two longitudinal ends of the detection shed.
Preferably, the rail edge basic detection unit further comprises a field device room;
the field device room is arranged on the outer side of the detection shed, and processing equipment for collecting data is arranged in the field device room.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:
1. the utility model discloses a EMUs full automobile body operation trouble dynamic image detecting system installs on the circuit before EMUs warehouse entry, when EMUs travel through the hole, can carry out the dynamic image collection and the detection of operation trouble to EMUs full automobile body, can effectually shorten the manual work degree of difficulty, activity duration, reduce the accessory cost, improve fault detection rate of accuracy and efficiency.
2. The utility model discloses a EMUs full automobile body operation trouble dynamic image detection system, gather operation train roof antenna, the insulator, other top visual component high-quality images such as pantograph, automatic acquisition automobile body, the door window, the high-quality image of car side visual component such as windshield, the automatic acquisition car side, the high-quality two-dimensional image of road portion and three-dimensional data are walked to the vehicle bottom, match through image characteristic, the automatic recognition EMUs roof key part of pattern recognition technique, the road portion is walked to the vehicle bottom car side, the braking accessory, the chassis suspends in midair, the hook is slowly connected, automobile body both sides skirtboard, the part at positions such as bogie lacks, abnormal conditions such as deformation. And at the system report terminal, the three-dimensional image display of the visible part of the walking part is automatically realized through human-computer interaction. The system is suitable for daily dynamic detection of various high-speed and low-speed motor train units.
3. The utility model discloses a EMUs full automobile body operation trouble dynamic image detecting system has realized 360 degrees full week high definition image monitoring of whole car, has adopted up-to-date image layering codec and transmission technology, has improved the image when the guarantee image resolution ratio does not receive the loss and has looked over response speed, has promoted user experience.
4. The utility model discloses a EMUs full automobile body operational failure dynamic image detecting system has realized roof, automobile body door window, car side vehicle bottom key parts automatic identification, carries out key analysis and judgement to key parts to realize "grabbing key position, key point and not reporting, wherein key parts can change according to actual demand.
5. The utility model discloses a EMUs full automobile body operation trouble dynamic image detecting system provides three-dimensional detection module, on two-dimensional image analysis's basis, has combined three-dimensional data characteristic analysis, judges for the main through "two-dimentional judgement, and the supplementary mode of judging" of three-dimensional data has further reduced the difference that two-dimensional images such as illumination, water stain are difficult to distinguish.
6. The utility model discloses a EMUs full automobile body operation trouble dynamic image detecting system has realized the key and has walked the unusual automated inspection of line part and early warning prompt facility, compares in no analysis function and only relies on the system that the image compared the technique, and the system alarm volume is few, can have corresponding guidance maintainer to develop the operation in limited repair time, has improved the operation quality.
7. The utility model discloses a EMUs full automobile body operation trouble dynamic image detecting system, camera, side walk the capable portion camera in camera, the top in the end and all adopt 4K resolution ratio linear array camera, lateral part, automobile body door window, the rail outside, rail inboard position are 2K resolution ratio linear array camera in all the other tops. Compared with the image resolution of the existing positive line TEDS system, the image resolution is improved by about 50%, and meanwhile, the image coverage area is enlarged to the 360-degree range of the whole vehicle. After the image definition is improved, the method is beneficial to subsequent alarm identification, and can be used for better distinguishing faults through images by room analysts and realizing image monitoring of the running faults of the whole vehicle after the image coverage range is enlarged.
Drawings
FIG. 1 is a schematic composition diagram of a dynamic image detection system for the whole vehicle body operation fault of the motor train unit according to the embodiment of the present invention;
FIG. 2 is an axial schematic view of a dynamic image detection system for the whole operation fault of the motor train unit;
fig. 3 is the utility model discloses EMUs full automobile body operation trouble dynamic image detecting system's overlook schematic diagram.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to the following embodiments.
As a preferred embodiment of the present invention, as shown in fig. 1-3, the present invention provides a dynamic image detection system for the whole body operation failure of a motor train unit, wherein: the system comprises a detection shed 1, a motor train unit and a control system, wherein the detection shed 1 is arranged on a line before the motor train unit enters a garage, and is arranged above a track in a spanning mode to allow the motor train unit to penetrate through the detection shed in a moving mode;
the system also comprises a rail edge basic detection unit which is positioned on a detection site and used for acquiring data; the system also comprises a field control center and a remote control center.
As shown in fig. 2-3, the rail side basic detection unit includes a trigger switch 2, a wheel tread image monitoring unit 3, a running gear image acquisition unit 4, a side box and skirt board acquisition unit 5, a vehicle side body image acquisition unit 6, a vehicle window image acquisition unit 7, a vehicle roof image acquisition unit 8, and a vehicle number identification unit 9.
The trigger switch 2, the wheel tread image monitoring unit 3, the walking part image acquisition unit 4, the side box and the apron board acquisition unit 5 are all arranged on a ground layer in the detection shed 1; the car side body image acquisition unit 6, the car window image acquisition unit 7, the car roof image acquisition unit 8 and the car number identification unit 9 are all fixed on the detection shed 1.
The trigger switches 2 are arranged on the ground at the two transverse sides of each track; the trigger switches 2 comprise an incoming trigger switch and an outgoing trigger switch, and are respectively positioned at the front end and the rear end of the running direction of the motor train unit. When the motor train unit drives into the detection shed 1 to trigger the incoming train trigger switch, other acquisition units of the rail side basic detection unit start to acquire; when the motor train unit drives away from the detection shed 1 and triggers the off-train trigger switch, other acquisition units of the rail side basic detection unit stop the acquisition work.
The train number identification unit 9 is fixed on the inner sides of the two detection shed side walls 101 of the detection shed 1, is lower than the train side body image acquisition unit 6, is located at the two longitudinal ends of the detection shed 1, and is used for uniformly identifying train number information and train number information of the motor train unit by the auxiliary system.
The wheel tread image monitoring unit 3 is fixed on the transverse outer sides of two steel rails of each track and used for acquiring images of the wheel tread.
The running part image acquisition unit 4 is arranged on the ground between two steel rails of each track and is used for acquiring image data of abnormal conditions such as part loss, deformation and the like of parts such as a running part on the side of the vehicle body, a brake accessory, an underframe suspension part, hook buffer connection, skirtboards on two sides of the vehicle body, a bogie and the like.
The side box and apron board acquisition units 5 are arranged on the ground on the two transverse sides of each track and used for acquiring image data on the outer side of the apron board.
The car side body image acquisition unit 6 is fixed at the inner sides of the two detection shed side walls 101 of the detection shed 1, specifically is a camera, is used for acquiring the image data of the car side body including the side walking part, is not in the same cross section with the side box and the skirt board acquisition unit 5, and can be longitudinally staggered to avoid mutual interference.
The vehicle window image acquisition unit 7 is fixed on the inner sides of the two detection shed side walls 101 of the detection shed 1, is higher than the vehicle side body image acquisition unit 6 and the side box and apron board acquisition unit 5, is basically in the same height area with the vehicle window, and is used for acquiring the image data of the vehicle window. High-quality images of visible parts on the vehicle side, such as a vehicle body, a vehicle window, a windshield and the like of the vehicle body can be automatically acquired through the image acquisition unit on the vehicle side body and the image acquisition unit on the vehicle window.
The inner sides of the two detection shed side walls 101 of the detection shed 1 are fixedly provided with the roof image acquisition units 8, are higher than the vehicle window image acquisition units 7 and are positioned at the side edges of the roof of the motor train unit; the roof image acquisition unit 8 is also arranged above the roof of the motor train unit and is fixed on the inner sides of the side walls 101 of the two detection sheds of the detection shed 1 through a transverse support or fixed below the shed roof 102 of the detection shed 1. The roof image acquisition unit can automatically acquire high-quality images of other roof visible components such as a roof antenna, an insulator, a pantograph and the like of the running train.
The image acquisition units can be cameras, the bottom middle camera, the top middle camera and the side walking part camera adopt 4K resolution linear array cameras, and the positions of the rest top middle side parts, the car body windows, the outer sides of the steel rails and the inner sides of the steel rails are 2K resolution linear array cameras. Compared with the image resolution of the existing positive line TEDS system, the image resolution is improved by about 50%, and meanwhile, the image coverage area is enlarged to the 360-degree range of the whole vehicle. After the image definition is improved, the method is beneficial to subsequent alarm identification, and can be used for better distinguishing faults through images by room analysts and realizing image monitoring of the running faults of the whole vehicle after the image coverage range is enlarged.
As shown in fig. 2, the rail-side basic detection unit further includes a field device room 10, which is used as a field control center; the field device room 10 is arranged outside the detection shed 1, is internally provided with a processing device for collecting data and a remote transmission device for data at different places, transmits the collected and processed data to a remote control center, and then transmits the data to a branch office server and/or a road office server.
The utility model discloses a detection method of EMUs full automobile body operation trouble dynamic image detecting system, including following step:
when the motor train unit drives into the detection shed 1 to trigger the incoming train trigger switch, other acquisition units of the rail side basic detection unit start to acquire.
Acquiring an image of a wheel tread through the wheel tread image monitoring unit 3; the image data of abnormal conditions such as part loss, deformation and the like of parts such as a running part at the side of the vehicle body, a brake accessory, an underframe suspension part, hook buffer connection, skirtboards at two sides of the vehicle body, a bogie and the like are collected by the running part image collecting unit 4; acquiring image data of the outer side of the skirt board through a side box and skirt board acquisition unit 5; high-quality images of visible components on the vehicle side, such as a vehicle body, a vehicle window, a windshield and the like of the vehicle body are acquired through a vehicle side body image acquisition unit 6 and a vehicle window image acquisition unit 7; the high-quality images of other visible roof components such as a roof antenna, an insulator, a pantograph and the like of the running train are acquired by a roof image acquisition unit 8; the train number information and the train number information of the motor train unit are uniformly identified through the train number identification unit 9.
When the motor train unit drives away from the detection shed 1 and triggers the off-train trigger switch, other acquisition units of the rail side basic detection unit stop the acquisition work.
The field control center processes the collected data, transmits the collected and processed data to the remote control center, and then transmits the data to the branch office server and/or the road office server.
In the existing maintenance process, primary maintenance operation is mainly carried out manually, and the defects of long working time, high manual operation strength and the like are overcome. The utility model discloses a EMUs full automobile body operation trouble dynamic image detecting system installs on the circuit before EMUs warehouse entry, when EMUs travel through the hole, can carry out the dynamic image collection and the detection of operation trouble to EMUs full automobile body, can effectually shorten the manual work degree of difficulty, activity duration, reduce the accessory cost, improve fault detection rate of accuracy and efficiency. The economic and social benefits of the system are mainly reflected in the following aspects:
(1) labor cost is reduced: the number of first-level maintenance staff is reduced, and the manual use cost is reduced.
(2) Time cost reduction: automatic detection is realized, abnormal results are automatically early warned, and abnormal areas are known in advance, so that targeted maintenance is carried out, and the daily operation time of the single marshalling train is shortened.
(3) And (3) reducing the safety risk: the machine vision has the advantages that the machine vision is strict, and compared with manual operation, the machine vision does not need to worry about careless inspection caused by the problem of responsibility of operators, so that driving accidents are caused.
(4) The management cost is reduced: the standardized data management mode can carry out effective work responsibility tracing, so that the responsibility of workers is stronger, and the cost of a management group is reduced.
(5) Providing learning/training materials: through collecting and summarizing typical fault phenomena and abstracting commonalities, preventive measures are provided and used as free training materials for improving the skill level of a working group.
Therefore, the successful application of the dynamic image comprehensive monitoring system for the whole-train operation faults of the motor train unit can play a positive promoting role in controlling labor cost, time cost, risk cost, management cost, training cost and the like for users.
The utility model discloses a EMUs full automobile body operation trouble dynamic image detecting system has realized 360 degrees full week high definition image monitoring of whole car, has adopted up-to-date image layering codec and transmission technology, has improved the image when the guarantee image resolution ratio does not receive the loss and has looked over response speed, has promoted user experience.
The utility model discloses a EMUs full automobile body operational failure dynamic image detecting system has realized roof, automobile body door window, car side vehicle bottom key parts automatic identification, carries out key analysis and judgement to key parts to realize "grabbing key position, key point and not reporting, wherein key parts can change according to actual demand.
The utility model discloses a EMUs full automobile body operation trouble dynamic image detecting system provides three-dimensional detection module, on two-dimensional image analysis's basis, has combined three-dimensional data characteristic analysis, judges for the main through "two-dimentional judgement, and the supplementary mode of judging" of three-dimensional data has further reduced the difference that two-dimensional images such as illumination, water stain are difficult to distinguish.
The utility model discloses a EMUs full automobile body operation trouble dynamic image detecting system has realized the key and has walked the unusual automated inspection of line part and early warning prompt facility, compares in no analysis function and only relies on the system that the image compared the technique, and the system alarm volume is few, can have corresponding guidance maintainer to develop the operation in limited repair time, has improved the operation quality.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a EMUs whole body operation trouble dynamic image detecting system which characterized in that: the system comprises a detection shed (1), a motor train unit and a control system, wherein the detection shed is arranged on a line before the motor train unit enters a garage and spans above a track to allow the motor train unit to penetrate through the detection shed in a moving mode;
the system also comprises a rail edge basic detection unit which is positioned on a detection site and used for acquiring data;
the rail side basic detection unit comprises a trigger switch (2), a wheel tread image monitoring unit (3), a walking part image acquisition unit (4), a side box and apron board acquisition unit (5), a car side body image acquisition unit (6), a car window image acquisition unit (7), a car roof image acquisition unit (8) and a car number identification unit (9);
the trigger switch (2), the wheel tread image monitoring unit (3), the walking part image acquisition unit (4), the side box and the apron board acquisition unit (5) are all arranged on a ground layer in the detection shed (1); the side body image acquisition unit (6), the window image acquisition unit (7), the roof image acquisition unit (8) and the vehicle number identification unit (9) are all fixed on the detection shed (1).
2. The system for detecting the dynamic images of the whole body operation faults of the motor train unit according to claim 1, is characterized in that:
the trigger switches (2) are arranged on the ground at the two transverse sides of each track;
the trigger switch (2) comprises an incoming trigger switch and an outgoing trigger switch, and the incoming trigger switch and the outgoing trigger switch are respectively positioned at the front end and the rear end of the running direction of the motor train unit.
3. The system for detecting the dynamic images of the whole body operation faults of the motor train unit as claimed in claim 2, is characterized in that:
the wheel tread image monitoring unit (3) is fixed on the transverse outer sides of the two steel rails of each track.
4. The system for detecting the dynamic images of the whole body operation faults of the motor train unit according to claim 3, is characterized in that:
the image acquisition unit (4) of the running part is arranged on the ground between two steel rails of each track.
5. The system for detecting the dynamic images of the whole body operation faults of the motor train unit as claimed in claim 4, is characterized in that:
the side box and apron board collecting units (5) are arranged on the ground on the two transverse sides of each track.
6. The system for detecting the dynamic images of the whole body operation faults of the motor train unit according to claim 5, is characterized in that:
the vehicle side body image acquisition unit (6) is fixed on the inner sides of two detection shed side walls (101) of the detection shed (1), and is not in the same cross section with the side box and the apron board acquisition unit (5).
7. The system for detecting the dynamic images of the whole body operation faults of the motor train unit as claimed in claim 6, is characterized in that:
the vehicle window image acquisition unit (7) is fixed on the inner sides of two detection shed side walls (101) of the detection shed (1) and is higher than the vehicle side body image acquisition unit (6) and the side box and apron board acquisition unit (5).
8. The system for detecting the dynamic images of the whole body operation faults of the motor train unit according to claim 7, is characterized in that:
the inner sides of the two detection shed side walls (101) of the detection shed (1) are fixed with the roof image acquisition unit (8), are higher than the vehicle window image acquisition unit (7) and are positioned on the side edge of the roof of the motor train unit;
the roof image acquisition unit (8) is also arranged above the roof of the motor train unit and is fixed on the inner sides of the side walls (101) of the two detection sheds of the detection shed (1) through a transverse support or fixed below the shed roof (102) of the detection shed (1).
9. The system for detecting the dynamic images of the whole body operation faults of the motor train unit according to claim 8, is characterized in that:
the car number recognition unit (9) is fixed on the inner sides of two detection shed side walls (101) of the detection shed (1), is lower than the car side body image acquisition unit (6), and is located at the longitudinal two ends of the detection shed (1).
10. The system for detecting the dynamic images of the whole body operation faults of the motor train unit according to any one of claims 1 to 9, wherein the system comprises:
the rail edge basic detection unit also comprises a field device room (10);
the field device room (10) is arranged on the outer side of the detection shed (1), and processing equipment for collecting data is arranged in the field device room.
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| CN201921273815.1U CN210591921U (en) | 2019-08-06 | 2019-08-06 | Dynamic image detection system for whole-body operation faults of motor train unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450813A (en) * | 2019-08-06 | 2019-11-15 | 中铁第四勘察设计院集团有限公司 | A kind of full vehicle body operation troubles Motion Image Detection system of EMU and detection method |
| CN114559983A (en) * | 2020-11-27 | 2022-05-31 | 南京拓控信息科技股份有限公司 | Omnibearing dynamic three-dimensional image detection device for subway train body |
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2019
- 2019-08-06 CN CN201921273815.1U patent/CN210591921U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450813A (en) * | 2019-08-06 | 2019-11-15 | 中铁第四勘察设计院集团有限公司 | A kind of full vehicle body operation troubles Motion Image Detection system of EMU and detection method |
| CN110450813B (en) * | 2019-08-06 | 2024-04-02 | 中铁第四勘察设计院集团有限公司 | Dynamic image detection system and detection method for running fault of whole motor train unit body |
| CN114559983A (en) * | 2020-11-27 | 2022-05-31 | 南京拓控信息科技股份有限公司 | Omnibearing dynamic three-dimensional image detection device for subway train body |
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Assignee: HUNAN EBUN ELECTRICAL EQUIPMENT Co.,Ltd. Assignor: CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd. Contract record no.: X2023420000183 Denomination of utility model: A Dynamic Image Detection System for Running Faults of Multiple unit Whole Body Granted publication date: 20200522 License type: Common License Record date: 20230616 |
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